ДИХРОИЧНЫЙ ПОЛЯРИЗАТОР И МАТЕРИАЛ ДЛЯ ЕГО ИЗГОТОВЛЕНИЯ

Дихроичный поляризатор содержит по крайней мере одну анизотропно поглощающую пленку из ориентированных молекул органического вещества. Анизотропно поглощающая пленка характеризуется тем, что для главных полуосей эллипсоидов мнимой и действительной части анизотропного показателя преломления в области по крайней мере одной из полос поглощения вещества на площади с линейными размерами не менее длины волны максимума по крайней мере одной полосы поглощения выполняются приведенные в формуле изобретения соотношения, и/или анизотропно поглощающая пленка характеризуется тем, что пропускание света двумя анизотропно поглощающими пленками со скрещенными осями поляризации не увеличивается по крайней мере в некотором диапазоне длин волн при отклонении направления его распространения от нормали к плоскости поляризатора. Обеспечивается улучшение угловых характеристик как одного поляризатора, так и двух скрещенных поляризаторов, уменьшение пропускания неполяризованного света как одним поляризатором, так ...

СВЕТОПРОВОДЯЩИЙ ОПТИЧЕСКИЙ ЭЛЕМЕНТ

Светопроводящий оптический элемент, который включает в себя, по крайней мере, одно светоподающее основание, которое снабжено, по крайней мере, двумя поверхностями, расположенными параллельно друг другу, оптические средства, которые используются для ввода в основание лучей света при помощи полного внутреннего отражения таким образом, чтобы свет попадал на одну из указанных выше поверхностей, набор одной или более частично отражающих поверхностей, расположенных внутри основания, поверхности которых не параллельны вышеупомянутым поверхностям основания, при этом частично отражающие поверхности являются плоскими селективно отражающими под углом поверхностями, которые часть лучей пересекают несколько раз, перед тем как выйти из основания в нужном направлении. Технический результат: обеспечение широкого поля обзора и увеличение области перемещения глаз при неподвижном устройстве. 43 з.п. ф-лы, 36 ил.

ПОЛЯРИЗАТОР НА ОСНОВЕ РЕШЕТКИ НАНОПРОВОДНИКОВ

Поляризатор изготавливается способом, содержащим осаждение слоя металла поверх прозрачной подложки и первого материала с образованием поверхностного слоя поверх слоя металла; вызывание по существу однородного напряжения, ориентированного в первом направлении, в поверхностном слое, облучение поверхностного слоя потоком ионов до образования твердой наномаски, содержащей по существу периодический массив по существу параллельных удлиненных элементов, имеющих волнообразное поперечное сечение. По меньшей мере, некоторые из этих элементов имеют следующую структуру в поперечном сечении: внутренняя область из первого материала и первая внешняя область из второго материала, покрывающая первую часть внутренней области, при этом второй материал образован за счет модификации первого материала потоком ионов. Далее осуществляют травление через поверхностный слой и через слой металла вплоть до поверхности оптически прозрачной подложки при использовании наномаски для переноса рисунка удлиненных элементов ...

БИСТАБИЛЬНЫЕ ЖИДКОКРИСТАЛЛИЧЕСКИЕ УСТРОЙСТВА

Изобретение относится к измерительной технике. В жидкокристаллическом устройстве реализуются по меньшей мере два стабильных или метастабильных упорядочения жидкого кристалла. Средство переключения, вызывающее переключение жидкокристаллического материала между упорядочениями, содержит средство, предназначенное для оптического облучения указанного устройства. Последнее может обеспечивать подачу линейно поляризованного света для индуцирования кручения в жидком кристалле. Альтернативно, упорядочение жидкого кристалла можно переключать с помощью средства подачи второй энергии, например электрического поля, при этом свет служит для выработки тепла, способствующего переключению. Любой или оба из источников энергии можно применять локально для переключения избранных областей или пикселей. Уровни энергии на бистабильной подложке можно регулировать, используя олигомерную добавку (“скользкую поверхность”). 6 н. и 41 з.п. ф-лы, 10 ил.

МНОГОСЛОЙНОЕ ОПТИЧЕСКОЕ ПОКРЫТИЕ

Многослойная оптически анизотропная структура содержит по крайней мере несколько слоев, показатели преломления которых по крайней мере в одной области спектра, их толщина и сочетание подобрано таким образом, чтобы обеспечить интерференционный экстремум по крайней мере для одной поляризации света в указанной области спектра и по крайней мере с одной стороны многослойной оптической структуры. По крайней мере один из слоев структуры является оптически анизотропным и образован, по крайней мере, из одного органического вещества, молекулы или фрагменты молекул которого имеют плоское строение и, по крайней мере, часть указанного слоя имеет кристаллическую структуру. При этом для главных значений полуосей эллипсоидов мнимой и действительной части коэффициента преломления анизотропного слоя в области, по крайней мере, одной из полос поглощения вещества слоя выполняются соотношения, указанные в формуле изобретения. Обеспечивается увеличение эффективности преобразования излучения, определяемого функциональным ...

ЖИДКОКРИСТАЛЛИЧЕСКИЙ ДИСПЛЕЙ С ОТРАЖАЮЩИМ ПОЛЯРИЗАТОРОМ

Изобретение относится к устройствам отображения информации. Жидкокристаллический дисплей содержит переднюю и заднюю панели с электродами и поляризаторами и слоем жидкого кристалла между ними. При этом поляризатор задней панели является отражающим поляризатором, по крайней мере, в одной области спектра и содержит, по крайней мере, один элемент, представляющий собой многослойную структуру. Многослойная структура содержит, по крайней мере, два анизотропных слоя, разделенных промежуточным слоем, оптически прозрачным в указанной спектральной области, причем соотношение показателей преломления и толщин указанных слоев многослойной структуры выбрано из условия обеспечения экстремума для отношения прошедшей и отраженной поляризации в указанной области спектра. Жидкокристаллический дисплей по заявленному изобретению имеет яркий, насыщенный цвет, высокий контраст и широкий угол обзора. Техническим результатом изобретения является увеличение яркости дисплея, получение в изображении спектрально чистых ...

СПОСОБ И ПЛЕНОЧНАЯ СИСТЕМА ДЛЯ ИЗГОТОВЛЕНИЯ ПЕРСОНИФИЦИРОВАННОГО, ОПТИЧЕСКИ ИЗМЕНЯЕМОГО ЭЛЕМЕНТА

Пленочная система содержит тело подложки и тело пленки. Тело пленки содержит два или более слоев и имеет слой (32) жидкокристаллического полимера (ЖКП), содержащий жидкокристаллический материал, при этом тело подложки пленочной системы имеет слой (41) ориентации для ориентации жидких кристаллов. Для создания персонифицированного, оптически изменяемого элемента, имеющего свойства поляризации, тело пленки наносят на тело подложки. Слой (41, 75, 76) ориентации тела подложки персонифицируют до наложения тела пленки на тело подложки. Тело пленки накладывают на персонифицированный слой (41, 75, 96) ориентации тела подложки таким образом, чтобы ЖКП слой (32, 65, 85) тела пленки лежал на персонифицированном слое ориентации тела подложки для ориентации жидких кристаллов слоя ЖКП тела пленки, после чего фиксируют слой ЖКП. Технический результат - уменьшение сложности изготовления и ремонта при сохранении уровня защиты от копирования, устойчивости к истиранию и удобству пользования, получаемому при ...

ЛИНЕЙНЫЙ ЖИДКОКРИСТАЛЛИЧЕСКИЙ ПОЛЯРИЗАТОР ОПТИЧЕСКОГО ИЗЛУЧЕНИЯ

Поляризатор содержит два оптических элемента из прозрачного изотропного материала, имеющих параллельные внутренние грани с ориентирующими поверхностями, между которыми размещен слой жидкокристаллического материала, показатель преломления которого для обыкновенного луча меньше, чем показатель преломления каждого из оптических элементов. Ориентирующие поверхности выполнены таким образом, что угол между оптической осью жидкокристаллического материала на поверхности и той же поверхностью принимает значение в диапазоне от 0 до 90o при выполнении условия исключения одновременного достижения на обеих поверхностях предельных значений углов из указанного диапазона, причем оптические оси жидкокристаллического материала на разных ориентирующих поверхностях не коллинеарна между собой. Угол между оптической осью жидкокристаллического материала на поверхности и той же поверхностью может быть одинаковым для каждой из поверхностей, например, 45o. Оптические элементы могут быть выполнены в виде призм Дове ...

МОДУЛЯТОР ТЕРАГЕРЦЕВОГО ИЗЛУЧЕНИЯ

Модулятор излучения терагерцевого диапазона состоит из стопы жидкокристаллических ячеек, каждая из которых составлена из двух подложек, разделенных спейсерами. Внутренние стороны подложек обработаны для придания ЖК однородной ориентации вдоль поверхности подложек. Каждая из ЖК ячеек стопы снабжена двумя отрезками пористой мембраны, расположенными между подложками и по краям ячейки. Отрезки пористой мембраны отделены от подложек спейсерами, образуя полости, заполненные ЖК. Технический результат – обеспечение модуляции излучения терагерцевого диапазона с малыми напряжениями, присущими ЖК, и малыми временами переключения. 4 ил.

ОПРЕДЕЛИТЕЛЬ ЛАТЕНТНОГО ИЗОБРАЖЕНИЯ НА ЗАЩИТНОЙ МЕТКЕ ДЛЯ ОПРЕДЕЛЕНИЯ ПОДЛИННОСТИ

... 1. Определитель латентного изображения на защитной метке, установленной на бутылке, содержащий плоский корпус с вырезом, в котором закреплен поляризатор для визуализации латентного изображения, отличающийся тем, что в корпусе выполнено круглое отверстие под горлышко бутылки. ! 2. Определитель по п.1, отличающийся тем, что на корпусе между отверстием и вырезом между боковыми сторонами корпуса выполнена линия биговки. ! 3. Определитель по п.1 или 2, отличающийся тем, что плоский корпус выполнен вытянутой формы. ! 4. Определитель по п.1 или 2, отличающийся тем, что круглое отверстие под горлышко бутылки выполнено выше выреза. ! 5. Определитель по п.3, отличающийся тем, что круглое отверстие под горлышко бутылки выполнено выше выреза.

МАТЕРИАЛ ДЛЯ ПОЛЯРИЗУЮЩИХ ПОКРЫТИЙ

Изобретение относится к материалам для получения сверхтонких,цветных, термостабильных поляризующих покрытий (ПП), которые могут быть использованы в оптике для изготовления устройств отображения информации, производстве поляроидных пленок на полимерной основе, поляризующих стекол для строительной и автомобильной промышленности. Материал содержит компоненты, мас. пленкообразующий компонент-органические красители типа I VI или их смеси 5,0 20,0; смешивающиеся с водой низкомолекулярные органические растворители 0,1 9,0: антиоксиданты 0,01 1,0 и/или ингибиторы 0, 01 1,0; поверхностно-активные вещества 0,15 2,0; вода остальное. Применение заявляемого материала позволяет получать ПП на любых поверхностях, как на гидрофильных, так и на гидрофобных без их ориентации за счет натирания, совместить в одну стадию ориентирующее воздействие с нанесением, получать светостойкие ПП -5 8 баллов (прототип 1 2 балла), получать термостойкие ПП 200 400°С (прототип 180°С), получать ПП с хорошими поляроидными характеристиками ...

Способ оптического управления линейной поляризацией излучения

Изобретение может быть использовано для точного контроля поляризации когерентных источников света, а также в спиноптронике. В способе оптического управления линейной поляризацией излучения, создаваемого экситон-поляритонным конденсатом, образующимся в неорганическом полупроводниковом образце при его нерезонансном возбуждении лазерным излучением, возбуждают экситон-поляритонный конденсат лазером непрерывного действия с линейной поляризацией на длине волны, отстроенной от моды полупроводникового микрорезонатора, используемого в качестве образца, перед изменением свойств возбуждающего лазерного излучения поляритонный конденсат возбуждают симметричным профилем пучка накачки и сканируют положение образца с целью обнаружения точки, в которой излучение указанного конденсата будет иметь степень поляризации меньше 0,2, после чего профиль возбуждения меняют на эллиптический и управляют линейной поляризацией излучения, изменяя свойства возбуждающего лазерного излучения, таких как эллиптичность профиля ...

СИСТЕМА ПРЕОБРАЗОВАНИЯ ПОЛЯРИЗАЦИИ И СПОСОБ СТЕРЕОСКОПИЧЕСКОЙ ПРОЕКЦИИ

Изобретение относится к системам преобразования поляризации. Система содержит поляризационный расщепитель пучка, вращатель плоскости поляризации и переключатель поляризации. Поляризационный расщепитель пучка способен пропускать первые пучки света с первым состоянием поляризации (SOP) по первой траектории световых лучей и отражать вторые пучки света со вторым SOP по второй траектории световых лучей. Вращатель плоскости поляризации расположен на второй траектории световых лучей и способен преобразовывать второе SOP в первое SOP. Переключатель поляризации способен принимать первый и второй пучки света по первой и второй траектории световых лучей, соответственно, и модулировать по времени состояния поляризации первого и второго пучков света в первое SOP на выходе или второе SOP на выходе. Технический результат - повышение яркости изображения. 4 н. и 15 з.п ф-лы, 13 ил., 1 табл.

ИНТЕГРАЛЬНО-ОПТИЧЕСКИЙ ЭЛЕМЕНТ

Интегрально-оптический элемент, включающий подложку из кристалла ниобата лития, встроенный в подложку оптический волновод, образованный термической диффузией титана из титановой полоски шириной 3-7 мкм и толщиной 60-80 нм, нанесенной на поверхность подложки. Глубина оптического волновода равна 3-4 мкм, а максимальная концентрация ионов титана в оптическом волноводе составляет (1-5)·10м. Интегрально-оптический элемент имеет простую по исполнению конструкцию и при этом сохраняет свойство выделения поляризации, а также имеет низкие оптические потери. 2 ил.

АДАПТИВНЫЙ ПОЛЯРИЗАЦИОННЫЙ ФИЛЬТР (АПФ)

Фильтр содержит последовательно установленные оптически прозрачные системы с использованием оптически прозрачного диэлектрического вещества и двулучепреломляющего вещества на молекулах жидких кристаллов, выполненные и расположенные однотипно и ослабляющие интенсивность излучения, проходящего через них. Расположение системы оптически прозрачных электродов на поверхностях каждой системы отличается. Поверхности диэлектрического вещества содержат ориентант, который согласует большие оси молекул двулучепреломляющего вещества с соответствующей поляризационной составляющей проходящего излучения так, что для одной или обеих поляризационных составляющих излучения выполняются условия рассеяния и/или отражения. Показатели преломления двулучепреломляющего вещества близки к показателям преломления диэлектрического вещества при расположении больших осей молекул жидких кристаллов вдоль направления падающего излучения и различаются для одной из ортогональных поляризационных составляющих при изменении расположения ...

ДИЭЛЕКТРИЧЕСКИЙ ПОЛЯРИЗАТОР СВЕТА

Диэлектрический поляризатор света относится к оптике, в частности к оптическим поляризаторам света. Предлагаемый поляризатор света выполнен в виде оптической подложки и диэлектрического покрытия. Для усиления степени поляризации света, падающего по нормали, один из диэлектрических слоев выполнен в виде периодично расположенных выступов. Кроме того, поляризатор имеет в виде двух слоев диэлектрика, где верхний слой выполнен в виде решетки, например с прямоугольной формой профиля полос. А второй вариант затора предусматривает выполнение слоя диэлектрика с односторонним или двусторонним гофром.

СВЕТОПРОВОДЯЩИЙ ОПТИЧЕСКИЙ ЭЛЕМЕНТ

... 1. Оптический прибор включает в себя светоподающее основание, которое снабжено, по крайней мере, двумя главными поверхностями, расположенными параллельно друг к другу и их граням; оптические средства соединения лучей света на вышеупомянутой поверхности путем полного внутреннего отражения, и, по крайней мере, одна частично отражающая поверхность, расположенная на вышеупомянутом основании, поверхность которого непараллельна к вышеупомянутым главным поверхностям основания, характеризуется лучами света, соединенного на основании, которое имеет тот же безосевой угол, который пересекает частично отражаемые поверхности под двумя произвольными углами. 2. Прибор по п.1, отличающийся тем, что лучи соединенного света пересекают частично отражаемую поверхность, по крайней мере, два раза под двумя произвольными углами. 3. Прибор по п.1, отличающийся тем, что один из двух произвольных углов значительно меньше другого. 4. Прибор по п.1, отличающийся тем, что частично отражаемая поверхность имеет меньшее ...

ПРЕОБРАЗОВАТЕЛЬ ЕСТЕСТВЕННОГО БЕЛОГО СВЕТА В ПЛОСКОПОЛЯРИЗОВАННЫЙ СВЕТ

... 1. Преобразователь естественного белого света в плоскополяризованный свет, содержащий a) источник (1) пучка естественного белого света, b) делитель (3) названного пучка на отраженный пучок и прошедший пучок, каждый из которых преимущественно состоит из одной из двух взаимноортогональных плоскополяризованных компонент (P, S) света, излучаемого источником (1), c) вращатель (6), предназначенный для поворота плоскости поляризации преимущественной компоненты одного из пучков, вышедшего из делителя, до достижения ею состояния поляризации, идентичного состоянию поляризации преимущественной компоненты другого пучка, и d) средства для объединения обоих выходящих пучков одной поляризации в один световой пучок, отличающийся тем, что названный делитель пучка (3) выполнен в виде пакета чередующихся плоскопараллельных пластин из двух различных оптических сред с показателями преломления (nl и nm) соответственно, причем толщина каждой из этих пластин значительно превышает длину когерентности света, исходящего ...

Способ изготовления проволочных поляризаторов для терагерцового диапазона частот

Изобретение относится к способу создания проволочных поляризаторов для терагерцового (ТГц) диапазона частот с помощью намоточного станка и вольфрамовой проволоки. Способ включает следующие этапы: намотка вольфрамовой проволоки на намоточную рамку при помощи намоточного станка; приклеивание к первой наружной поверхности намоточной рамки с проволокой первой круглой рабочей рамки, на которую нанесен слой эпоксидного клея при затвердевании слоя эпоксидного клея в зафиксированном положении параллельных плоскостей указанных рамок относительно друг друга; отделение намоточной рамки от первой рабочей рамки при грубом отрезании проволоки по периметру круглой рабочей рамки; точное отрезание остатков проволоки по периметру круглой рабочей рамки; скрепление второй круглой рабочей рамки с первой круглой рабочей рамкой при помощи резьбового соединения. Техническим результатом является обеспечение поляризатора из вольфрамовой проволоки диаметром от 10 мкм, имеющего рабочий диапазон до 6 ТГц при коэффициенте ...

СПОСОБ ИЗГОТОВЛЕНИЯ РЕШЕТОК-ПОЛЯРИЗАТОРОВ

Способ изготовления решеток-поляризаторов, включающий формование на поверхности подложки, прозрачной в заданной области спектра, штрихов ступенчатого профиля и нанесение металлического покрытия на часть каждой из двух граней штрихов, причем нанесение указанного покрытия на одну из этих граней осуществляют напылением в вакууме под острым углом к плоскости напыляемых граней, отличающийся тем, что, с целью упрощения изготовления, перед нанесением металлического покрытия на вторую грань штрихов наносят на нее покрытие из материала, прозрачного в рабочей области спектра, толщиной t, равной где d - период штрихов решетки; α - угол наклона второй грани штрихов, на которую наносят прозрачное покрытие, к поверхности подложки, а металлическое покрытие на вторую грань наносят так же, как и на первую, путем напыления в вакууме под острым углом к плоскости напыляемых граней.

КРИСТАЛЛИЧЕСКОЕ ТЕЛО, ОПТИЧЕСКИЙ ПРИБОР, ИМЕЮЩИЙ КРИСТАЛЛИЧЕСКОЕ ТЕЛО, И СПОСОБ ИЗГОТОВЛЕНИЯ КРИСТАЛЛИЧЕСКОГО ТЕЛА

Сульфопроизводные индантрона, лиотропна жидкокристаллическа система и анизотропна пленка на их основе

... 1. Сульфопроизводное индантрона, по крайней мере, одной общей структурной формулы I или II где n=3 или 4; R=СН3, С2Н5, ОСН3, ОС2Н5, Cl, Br, ОН, NH2; z=0, или 1, или 2, или 3, или 4; М – противоион; j - количество противоионов в молекуле красителя, в том числе, и дробное, при условии принадлежности одного противоиона нескольким молекулам, в случае n>1 противоионы могут быть различные. 2. Сульфопроизводное индантрона по п.1, отличающееся тем, что способно образовывать лиотропную жидкокристаллическую фазу. 3. Сульфопроизводное индантрона по п.1, отличающееся тем, что предназначено для получения оптически изотропных или анизотропных пленок. 4. Сульфопроизводное индантрона по п.3, отличающееся тем, что предназначено для получения поляризующих пленок, или двулучепреломляющих пленок, или фазозадерживающих пленок. 5. Сульфопроизводное индантрона по любому из пп.1-4, отличающееся тем, что предназначено для получения по крайней мере частично кристаллических пленок. 6. Сульфопроизводное индантрона ...

ДИХРОИЧНЫЙ ПОЛЯРИЗАТОР И МАТЕРИАЛ ДЛЯ ЕГО ИЗГОТОВЛЕНИЯ

... 1. Дихроичный поляризатор, содержащий, по крайней мере, одну анизотропно поглощающую пленку из ориентированных молекул органического вещества, отличающийся тем, что, анизотропно поглощающая пленка характеризуется тем, что для главных полуосей эллипсоидов мнимой и действительной части анизотропного показателя преломления анизотропно поглощающей пленки в области, по крайней мере, одной из полос поглощения вещества выполняются следующие соотношения на площади с линейными размерами не менее длины волны максимума, по крайней мере, одной полосы поглощения: К1≥К2>К3, (n1+n2)/2>n3, где K1, К2, К3 и n1, n2, n3 - главные значения полуосей эллипсоида, соответственно, мнимой и действительной части анизотропного коэффициента преломления пленки и/или анизотропно поглощающая пленка характеризуется тем, что пропускание света двумя анизотропно поглощающими пленками со скрещенными осями поляризации не увеличивается, по крайней мере, в некотором диапазоне длин волн при отклонении направления его распространения ...

Поливинилиденфторидные пленки с обратимым электрорегулиремым светопропусканием, способы получени , издели и композиции

... 1. Пленка с обратимым электрорегулируемым сетопропусканием (ОЭРСП-пленка), содержащая проводящую пленку из поливинилиденфторидного сополимера с узким распределением по составу, комбинированную с электролитом и соединенную с ОЭРСП-материалом. 2. ОЭРСП-пленка по п.1, в которой поливинилиденфторидного сополимера является пористой или непористой. 3. ОЭРСП-пленка по п.1, в которой поливинилиденфторидным сополимером является сополимер, выбранный из группы, состоящей из сополимера винилиденфторида с гексафторпропиленом или тетрафторэтиленом, или хлортрифторэтиленом, или винилацетатом или их комбинации. 4. ОЭРСП-пленка по п.1, в которой указанный ОЭРСП-материал является органическим соединением. 5. ОЭРСП-пленка по п.1, в которой указанный ОЭРСП-материал является органическим электрохромным материалом. 6. ОЭРСП-пленка по п.5, в которой указанным органическим электрохромным материалом является ферроцена материал выбранный из группы, состоящей из, 4,4’-дипиридиниевого соединения, тетратиафульвалена ...

ОПТИЧЕСКИЙ ПОЛЯРИЗАТОР

... 1. Оптический поляризатор, включающий по крайней мере один двулучепреломляющий слой с толщиной, при которой реализуется интерференционный экстремум на выходе оптического поляризатора по крайней мере для одной линейно-поляризованной компоненты света, отличающийся тем, что по крайней мере один двулучепреломляющий слой является анизотропно поглощающим и имеет по крайней мере один показатель преломления, возрастающий при увеличении длины волны поляризуемого света по крайней мере в некотором диапазоне из рабочих длин волн. 2. Оптический поляризатор по п. 1, отличающийся тем, что по крайней мере один анизотропно поглощающий двулучепреломляющий слой изготовлен из материала, выбранного из числа низкомолекулярных термотропных жидкокристаллических веществ или их смесей, представляющих собой дихроичные красители или содержащих в качестве компоненты жидкокристаллические и/или нежидкокристаллические дихроичные красители. 3. Оптический поляризатор по п. 1, отличающийся тем, что по крайней мере один анизотропно ...

ДИХРОИЧНЫЙ ПОЛЯРИЗАТОР

... 1. Дихроичный поляризатор, содержащий подложку и слой, дихроично поглощающий электромагнитное излучение, отличающийся тем, что введены два отражающих покрытия, по крайней мере одно из которых выполнено частично пропускающим, причем слой, дихроично поглощающий электромагнитное излучение, расположен между двумя отражающими покрытиями. 2. Дихроичный поляризатор по п.1, отличающийся тем, что оба отражающих покрытия выполнены частично пропускающими. 3. Дихроичный поляризатор по п.1, отличающийся тем, что материалы и толщины слоя, дихроично поглощающего электромагнитное излучение, и отражающих покрытий выбираются из условия получения на выходе дихроичного поляризатора интерференционного минимума для поглощающейся компоненты электромагнитного излучения по крайней мере для одной длины волны. 4. Дихроичный поляризатор по любому из пп. 1-3, отличающийся тем, что по крайней мере одно покрытие, отражающее электромагнитное излучение, выполнено металлическим. 5. Дихроичный поляризатор по любому из пп ...

СВЕТОФИЛЬТР НЕАКТИНИЧНОГО ОСВЕЩЕНИЯ ДЛЯ РАБОТЫ С РЕНТГЕНОВСКОЙ ПЛЕНКОЙ

Предложено применение материала "винипласт" (ГОСТ) 9634-81) в качестве светофильтра неактиничного освещения для работы с рентгеновской пленкой. Материал использован в виде горячепрессованных пластин толщиной 2,5 - 3 мм. Засветки, сенсибилизированные к синей области спектра, рентгеновских пленок не наблюдается при освещенности непосредственно за светофильтром 12 - 15 люкс и стандартном расстоянии от фонаря до поверхности стола рентгенолаборанта 75 см. Светофильтр характеризуется предельной дешевизной и простотой изготовления.

СПОСОБ КОНТРОЛЯ ОРИЕНТАЦИИ КРИСТАЛЛОГРАФИЧЕСКИХ СРЕЗОВ ОДНООСНЫХ КРИСТАЛЛОВ

Предлагаемое техническое решение относится к оптике, в частности к способам неразрушающего контроля точности ориентировки одноосных кристаллов по X-, Y-, Z-срезам с максимально достижимой результирующей точностью по отношению к другим известным способам. Сущность изобретения: анализируемую грань освещают коллимированным пучком линейно-поляризованных световых лучей и настраивают эллипсометр на максимальные гашения отраженного пучка.

БЛОК ОПТИЧЕСКОГО ВЕНТИЛЯ И ОПТИЧЕСКИЙ УСИЛИТЕЛЬ, ИСПОЛЬЗУЮЩИЙ ТАКОЙ ОПТИЧЕСКИЙ ВЕНТИЛЬ

... 1. Блок оптического вентиля для разделения и приема части падающего оптического сигнала и в то же время управления световым пучком для распространения только в одном направлении, причем указанный блок оптического вентиля содержит первое фокусирующее устройство для фокусировки падающего оптического сигнала, основную часть вентиля, включающую первое двулучепреломляющее устройство, которое имеет клиновидную форму, в котором первая поверхность падения формирует первый заданный угол с первой излучающей поверхностью, из которой излучается поляризованный свет, где на поверхность падения нанесено покрытие для частичного отражения таким образом, что часть падающего оптического сигнала отражается как отраженный свет, вращатель Фарадея для поворота поляризованного света на второй заданный угол и второе двулучепреломляющее устройство, которое имеет клиновидную форму, в котором вторая излучающая поверхность формирует второй заданный угол со второй поверхностью падения, где оптическая ось указанного ...

ПЛЕНКА ЗАМЕДЛЕНИЯ, СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ И ДИСПЛЕЙ

... 1. Пленка замедления, содержащая: ! подложку с множеством канавок на ее поверхности, вытянутых в определенном направлении на ее поверхности; и ! слой замедления, выполненный в контакте с поверхностью подложки и включающий жидкокристаллический материал, причем жидкокристаллический материал выровнен по направлению множества канавок и полимеризован, !при этом рисунок, образованный множеством канавок, имеет периодическую структуру с отклонениями, ! причем в периодической структуре разброс шага выступов и углублений составляет около 2-10%, а разброс по углу выступов и углублений составляет 3-8%. ! 2. Пленка замедления, содержащая: ! подложку с множеством канавок на ее поверхности, вытянутых в определенном направлении; и ! слой замедления, выполненный в контакте с поверхностью подложки и включающий жидкокристаллический материал, причем жидкокристаллический материал выровнен вдоль направления множества канавок и полимеризован, ! при этом рисунок, образованный множеством канавок, имеет периодическую ...

Фазосдвигающее устройство

Изобретение относится к области оптического приборостроения, к элементам поляризационной оптики, предназначенным для поеобразования состояния поляризации излучения. Цель изобретения - увеличение линейной апертуры, повышение технологичности и снижение себестоимости. Для этого осуществляют применение диэлектрического интерференционного поляризатора в качестве фазосдвигакяцего устройства (ФЭУ). Изменение сдвига фаз и состояния поляризации на выходе ФЗУ осуществляется изменением угла падения излучения. Эллиптичность поляризации выходного изменяется углом наклона вектора поляризации исходного излучения в плоскости, перпендикулярной направлению распространения пучка. 2 ил. с S Ко и 4 о: ...

Поляризатор-модулятор угла поворота плоскости поляризации света

Раздвоитель светового луча

Интерференционный поляризатор

Интерференционно-поляризационный фильтр

Изобретение относится к области оптического приборостроения, в частности к технике спектрального анализа, и может быть использовано для селекции 1 света данной длины волны при спектральных исследованиях. Целью изобретения является уменьшение температурной йестабильности положения полосы пропускания при ее перестройке. Между двумя частичными поляризаторами 1 и 2, установленными под углом Брюстера к оптической оси 3, размещены под тем же углом три двулучепреломляющие кристаллические пластины 4, 5 и 6 с возможностью синхронного поворота вокруг нормалей 7 к их поверхностям. Между пластинами находится иммерсионный контакт 8 с показателем преломления, приводящим к устранению многолучевой интерференции между ними.Пластина 4 делит падающую волну на две компоненты.Разность фаз между компонентами определяет состояние поляризации волны, выходящей из пластины 6. Поляризатор 2 приводит колебания обоих пучков на выходе из пластины 6 в плоскость падения. Приведены соотношения , из которых определяются ...

Модулятор светового потока

Оптический двулучепреломляющий компенсатор

Деполяризатор

Использование: деполяризация излучения с высокой пространственной однород2 ностью. Сущность изобретения: деполяризатор выполнен в виде плоскопараллельной пластинки, вырезанной из прозрачного кристалла, образованного множеством различно ориентированных анизотропных микроэлементов , направления колебаний которых равномерно распределены по азимуту в 180°. Микроэлементы выполнены в виде разупорядоченной фазы низкосимметричного кристалла, получаемой в результате модуляции температуры или других условий роста кристалла вблизи точки кристаллизации при-искусствен ном выращивании кристалла . Вариантом исполнения предлагаемого деполяризатора является кристалл УАЮз с разупорядоченной фазой. 1 з.п. ф-лы, 1 ил. « Ё ...

СПОСОБ ИЗГОТОВЛЕНИЯ ВЫТЕСНЕНИЙ И НАПЛЫВОВ ОДНОЙ ЭКСПОЗИЦИЕЙ

Модуляционный способ наблюдения двупреломления

Поляризационно-разделительный блок

Акустооптический фильтр

Поляризатор-модулятор угла поворота плоскости поляризации света

Изобретение относится к оптической поляриметрии и позволяет снизить дрейф нейтрального положения при повышении частоты модуляции. Оправа 2 поляризующего элемента I выполнена с упругим ударником 6, расположенным между упругими упорами 7, жестко соединенными с неподвижным основанием поляризатора. При возбзгасдении вынужденных угловых колебаний оправы 2 ударник 6 ударяется поочередно об упоры 7 через каждые полпериода колебаний . Под действием виброударных колебаний ударник 6 отскакивает от упора со скоростью, близкой к его скорости перед соударением. 1 з.п. ф-лы, 2 ил. . MJ (Л ...

Интерференционный поляризатор

Изобретение может быть использовано для получения и анализа поляризованного излучения в оптико-электронных приборах. Цель изобретения - стабилизация плоскости поляризации в непараллельном световом пучке. Между боковыми гранями промежуточ- .ной призмы 2 и контактирующими с ними гипотенузными гранями входной 1 и выходной 3 призм размещены интерференционные поляризующие покрытия в виде полос 4, разделенных прозрачными полосами 5. Расположенные с. одной стороны призмы 2 полосы 4 перекрьгоа- ют по ходу лучей прозрачные полосы 5 другой ее стороны. Подбором оптимальных соотношений ширины полос 4 и 5 и их числа обеспечена пренебрежимо малая результирующая эффективная ошибка задания или определения азимута плоскости поляризации оптического излучения. 1 ил. (Л со 00 tUD 9 Эд ...

Оптическое устройство классификации радиосигналов

ОПТИЧЕСКОЕ УСТРОЙСТВО КЛАССИФИКАЦИИ РАДИОСИГНАЛОВ, содержащее лазер, коллиматор, пространственный модулятор света, два фотоприемника , а также блок считывания, подключенный к выходу фотоприемников, отличающееся тем, что, с целью повышения точности классификации радиосигналов по виду модуляции при отсутствии априорной информации об их параметрах, в него введены три поляризатора, а также установленные последовательно за пространственным модулятором света экран с двумя отверстиями, расположенными соответственно напротив начального и конечного участков этого модулятора , четвертьволновая пластинка, размещенная на выходе одного из указанных отверстий, второй и третий коллимато.ры , выполненный анаморфотными и расположенными соосно с этими отверстиями, и трехгранная равнобедренная призма, больщая грань которой перпендикулярна оптитической оси устройства, причем первый поляризатор установлен на выходе лазера, второй и третий поляризаторы размещены соответственно перед фотоприемниками в плоскости ...

Устройство для поляризации излучения

Изобретение относится к оптическим устройствам и может быть применено для поляризации расходящегося излучения. Устройство содержит поляризующий элемент 1 с цилиндрической поверхностью, выполненный,в виде поляроидной пленки, и источник 4 излучения , удаленный от поляризующего элемента на расстояние R, равное радиусу кривизны цилиндрической поверхности последнего, и размещенный на оси 5 этой поверхности. Излучение от источника 4 попадает на поляризующий элемент 1 и поляризуется, причем в плоскости 6, перпендикулярной оси 5, угловая апертура oL поляризованного излучения может быть расширена до предела, равного oi 360 . Поскольку плоскость падения лучей на поверхность цилиндра для лучей, проходящих через его ось 5, всегда проходит через образующую цилиндра, ориентируя направление наибольшего пропускания поляризующего злемента 1 параллельно или перпендикулярно образующей цилиндрической поверхности, можно устранить поворот плоскости поляризации , возникающий на границе раздела двух сред, и таким ...

Пентапризма

Изобретение относится к оптическому приборостроению и позволяет расширить функциональные возможности устр-ва за счет полной поляризации выходящего отклоненного светового пучка по. отношению к входящему неполяризованному пучку при миним. световых потерях на отражение. Пентапризма выполнена из одноосного кристалла с показателем преломления необыкновенного луча, превышающим показатель преломления обыкновенного луча. Оптическая ось кристалла перпендикулярна нерабочей грани 5 пентапризмы. Параллельно ребрам пентапризмы установлены плоские зеркала 7,8с углом 45° между ними. Пентапризма может быть выполнена из кристалла галогенида ртути. Приведено соотношение, связывающее g углы между гранями пентапризмы л л относительную щирину. 2 з.п. ф-лы, J 2 ил.

Оптический фильтр с изменяющимся по радиусу коэффициентом пропускания

Изобретение относится к оптической фильтрации и позволяет получить плавное регулирование коэф вщиейта пропускания по радиусу оптического фильтра. Оптический фильтр состоит из последовательно расположенных поляризатора и анализатора которь ш расположена телескопическая система, состоящая из плосковогнутай и йлоско- выпуклой лийа Йлоскошетуклая линза вьшолнена из одноосного монокристалла , ось симметрии которого совпадает с оптЕческой осью монокристалла. Поляризатор выполнен в виде , а анализатор установлей с возможностью поворота относительно поляризатора на требуемый угол. 1 ил.

Поляризатор света

Изобретение относится к оптическому приборостроению и позволяет снизить -световые потери и материалоемкость поляризатора, а также повысить его технологичность. Поляризатор содержит призму 1 в виде клина, главное сечение которого вьшолнено в виде трапеции. Большая ось эллипсоида по.казателей преломления кристалла призмы 1 ориентирована параллельно ее ребрам, а малая ось - под углами к входной 2 и выходной 3 граням призмы 1. Малая нерабочая грань 5 призмы 1, проходящая через малое основание трапеции, ориентирована под определенным углом k его входной грани 2. Падающий на грань 2 осевой луч светового пучка разделяется после преломления на обыкновенный и необыкновенный лучи. 1 з.п. ф-лы, 2 нл.

Способ изготовления поляризационных светофильтров для видимой области спектра

Изобретение относится к оптическому приборостроению, в частности к йоднополивиниловым поляризационным светофильтрам с высоким пропусканием света в видимой области поляризации, и может быть использовано в поляризационных микроскопах, в круговых поляризаторах в интерференционно-поляризационных фильтрах, в магнитометрах, в спектрополяриметрах и т.д. Изобретение позволяет упростить технологию изготовления и увеличить пропускание светофильтра. Способ включает формирование пленки путем отлива раствора винилового полимера на подложку, сушку пленки, ее растяжение в одном направлении, йодирование и облучение ультрафиолетовым излучением с энергетической экспозицией от 80 до 180 Дж/см2при температуре пленки не выше +35°С.

Линейный компенсатор разности хода лучей

Изобретение относится к оптическим приборам для измерения параметров двулучепреломления в оптически анизотропных прозр ачных телах. Цель изобретения - увеличение рабочего поля компенсатора, Коьшенсирующие элементы 1 и 2 в виде плоскопараллельных пластин вьтолнены из двух различных полимерных материалов с положительной и отрицательной оптической чувствительностью . Концы элементов 1, 2, подвергнутые одинаковому виду деформации , обращены в одну сторону. При измерении вращением микрометрического винта 3 перемещают элемент 1 относительно неподвижного элемента 2 до полного гашения интерференционной картины в точке измерения. Величина смещения , определяемая по углу поворота отсчетного барабанчика 4, характеризует оптическую разность хода лучей в компенсаторе, 4 ил. i (Л иг. i ...

Лампа поляризованного света для биостимулирующей терапии

Использование: в медицине, косметологии для биостимулирующей терапии с помощью облучения кожи поляризованным светом. Сущность изобретения: лампа содержит три основные конструктивные части: корпус, блок-каркас с источником света, поляризатором Брюстера, светофильтром, и вентилятор. Конструкция лампы обеспечивает повышенную комфортность при пользовании , дополнительную защиту от пыли, улучшение условий охлаждения. 5 з.п. ф-лы. 6 ил.

Устройство для преломления лучей

Optische Sensoranordnung

BESCHICHTUNGSVERFAHREN UND ZUSAMMENSETZUNGEN ZUR HERSTELLUNG VON STEREOSKOPISCHEN, POLARISIERENDEN, DIGITALISIERTEN BILDERN

Ortungs- und Navigationssystem für Landfahrzeuge

HOCHWIRKSAME POLARISATOREN

Azoverbindung und damit ausgerüsteter polarisierender Film

VERBESSERTER POLARISATOR

Optischer Rotator

Optischer Doppelbrechungskompensator.

TRANSPARENTE LAMINATE

FARBIGES BETRACHTUNGSSYSTEM OHNE INTERFERENZ MIT SPEKTRALER MULTIPLEXIERUNG

VERFAHREN ZUM HERSTELLEN POLARISIERENDER GLAESER

Lichtstrahlkombinierer für ein Anzeigegerät, Beleuchtungseinheit für ein Anzeigegerät, Verfahren zum Herstellen eines Lichtstrahlkombinierers und Verfahren zum Kombinieren von Lichtstrahlen

Die Erfindung betrifft einen Lichtstrahlkombinierer (100) für ein Anzeigegerät (302). Der Lichtstrahlkombinierer (100) umfasst ein erstes Prismaelement (102) mit einem ersten Fügeabschnitt (106), einem ersten Einkoppelabschnitt (108) zum Einkoppeln von Lichtstrahlen (110) einer ersten Farbe und einem Auskoppelabschnitt (112) zum Auskoppeln von Lichtstrahlen (110, 118) sowie ein zweites Prismaelement (104) mit einem zweiten Fügeabschnitt (114), einem zweiten Einkoppelabschnitt (116) zum Einkoppeln von Lichtstrahlen (118) einer zweiten Farbe. Das erste Prismaelement (102) und das zweite Prismaelement (104) sind an dem ersten Fügeabschnitt (106) und dem zweiten Fügeabschnitt (114) zusammengefügt, um eine Prismaeinheit mit einer Grenzschicht (124) zum Reflektieren und/oder Transmittieren der eingekoppelten Lichtstrahlen (110, 118) auf den Auskoppelabschnitt (112) zu bilden. An der Grenzschicht (124) ist eine dichroitische Schicht (126) angeordnet und ausgebildet, um die Lichtstrahlen (110) ...

OPTISCHES ELEMENT

SCHUTZFOLIE FÜR EINEN POLARISATOR UND POLARISIERENDE SCHEIBE, DIE DIESELBE VERWENDET

Verfahren zur Realisierung eines ebenen, uniformen Bildes einer Laserdioden-Anordnung.

Filmmaterial fuer dichroitische Farbbilder

Anzeigevorrichtung mit vertical ausgerichtetem Flüssigkristall

Anzeigevorrichtung mit vertikal ausgerichtetem Flüssigkristall

BELEUCHTUNGSANLAGE FÜR POLARISIERTES LICHT

Transflektierende Flüssigkristallanzeige

OPTISCHES LAMINAT

OPTISCHE LICHTLEITERVORRICHTUNG

AUF NORBORNENESTER BASIERENDES POLYMERISAT UND VERFAHREN ZU SEINER HERSTELLUNG

Polarisierte Bildquelle mit Led-Array/virtuelle Head-up-Anzeige mit einem O-Grad-Hologramm.

Flüssigkristallanzeigevorrichtung und Kunststoffilm mit optischer Phase.

Verfahren zum Herstellen eines Polarisationsfilters und auf diese Weise erhaltenes Polarisationsfilter und eine mit dem Polarisationsfilter versehene Wiedergabeanordnung.

Infrarot Glas-Polarisator und Verfahren zu seiner Herstellung

Glaspolarisator, der eine ausgezeichnete Polarisation im Infrarotbereich des Spektrums zeigt, und Silberhalogenidteilchen enthält, ausgewählt aus der Gruppe, die aus AgCl, AgBr und AgI besteht, wobei die Silberhalogenidteilchen gedehnt und ausgerichtet werden, so dass sie ein Längenverhältnis von mehr als 2:1 aufweisen, und nach Reduktion Silberteilchen aufweist, die in oder auf den gedehnten Silberhalogenidteilchen abgelagert sind, wobei der Glaspolarisator aus einem R2O-Al2O3-B2O3-SiO2 Glas besteht, wobei das Glas eine Zusammensetzung aufweist, die im Wesentlichen aus 6–20% R2O, 14–23% B2O3, 5–25% Al2O3, 0–25% P2O5, 20–65% SiO2, 0,15–0,3% Ag, 0,004–0,02% CuO, 0,1–0,25% Cl und 0,1–0,2% Br besteht und das Glas 4–6 Gewichts-% ZrO2 und TiO2 in einer Menge von weniger als 1 Gewichts-% enthält, und das sowohl eine Silberhalogenid- als auch Rutil-Liquidustemperatur aufweist, wobei die Rutil-Liquidustemperatur gleich oder niedriger als die Silberhalogenid-Liquidustemperatur ist, wobei das R2O ...

Optimierverfahren für ein Objektiv mit Fluorid-Kristall-Linsen sowie Objektiv mit Fluorid-Kristall-Linsen

Numerisches Optimierverfahren zum Bestimmen der optischen Daten eines Objektivs (1), insbesondere eines Projektionsobjektivs für eine Mikrolithographie-Projektionsbelichtungsanlage, wobei mit dem Optimierverfahren eine Optimierfunktion minimiert wird. Mit dem Optimierverfahren wird der störende Einfluss der intrinsischen Doppelbrechung von Linsen (L101-L130) aus Fluorid-Kristall-Metall mit kubischer Kristallstruktur reduziert, indem in der Optimierfunktion mindestens ein Doppelbrechungs-Bildfehler berücksichtigt wird, welcher, basierend auf der Durchrechnung eines Strahls (7), durch die Fluorid-Kristall-Linsen bestimmt wird und welcher, soweit er von Parametern des Strahls abhängt, nur von geometrischen Parametern des Strahls abhängt. Mit dem numerischen Optimierverfahren werden Objekte (1) hergestellt, bei welchen sowohl eine optische Verzögerung als auch eine optische Verzögerungs-Asymmetrie korrigiert ist. Die Objektive weisen dabei mehrere homogene Gruppen (HG1-HG7) auf, in welchen ...

Head-up Display

Bei einem Head-up Display für Fahrzeuge, bei dem Informationen einer Anzeigevorrichtung auf eine transparente Projektionsfläche projiziert werden, weist die Anzeigevorrichtung zwei transparente Scheiben auf, zwischen denen eine Flüssigkristallsubstanz und Elektroden angeordnet sind, DOLLAR A wobei polarisiertes Licht die Flüssigkristallsubstanz durchdringt, DOLLAR A wobei die Flüssigkristallsubstanz in Abhängigkeit der Ansteuerung der Elektrode mit einer Spannung das die Flüssigkristallsubstanz durchdringende polarisierte Licht in einer Polarisationsebene dreht, DOLLAR A ist vorgesehen, daß das aus der Flüssigkristallsubstanz austretende polarisierte Licht nicht durch einen Polarisator hindurchgeschickt wird, sondern polarisiert wird durch die Reflektion an der transparenten Projektionsfläche oder an einem oder mehreren sonstigen Reflektoren, der oder die im Strahlengang des polarisierten Lichts zwischen der Flüssigkristallsubstanz und der transparenten Projektionsfläche angeordnet ist ...

Optisches Element und damit versehenes Optisches Produkt

Display device in dashboard mounted in motor car, has dial plate which is provided with polarization filter whose polarization direction opposite to polarization direction of windshield is aligned with reflected polarized light

The display device has light symbols which are arranged on a dial plate. The light symbols are directed to a reflective windshield (3). The dial plate is provided with a polarization filter whose polarization direction opposite to a polarization direction of the reflective windshield of the vehicle (1) is aligned with the reflected polarized light. Independent claims are included for the following: (1) vehicle with dashboard; and (2) method for preventing reflections of light symbols in windshield.

POLARISATIONSELEMENT

Optisches Kompensationsplättchen, dessen Herstellungsverfahren und Flüssigkristallanzeige

UV absorbierender Film und Verwendung als Schutzfolie

New dichroitic azo-stibyl-azo-salicylic acid dyestuff cpds. and use in light polarising film contg. these or known analogues - which are yellow or yellow-red and have excellent dichroitic property.

Light-polarising film (I) contains 0.01-10 (wt.) % p-substd.-(phenyl azo)-mono- or dihydroxy-benzoic acid, amide or ester dyestuff(s) of formula (II); 5-(4'-azostibyl-4-azo)-salicylic-acid dyestuffs of formula (IIA) also claimed. In (II), R1 is NH2, OH, 1-4C alkoxy or phenoxy; one of R2-3 is SO3H and the other is H, SO3H, Me, halogen, OH or 1-4C alkoxy; n is 1 or 2; Q is -N=N-, -N=CH-, -CH=N-, -CH=CH-, or a direct bond; X is N=N-R4, -NH2, -NHR6, -NR6R5, -CH=CH-Ph, -CH=CH-CN, -CH=CH-CO-OR5, -NO2, -CONH2, -CONHR5, -COOR5, -CN, -OH, -OR5,-NHCOR5, -O-COR5, or halogen; R4 is a substd. (hetero) aromatic mono- or bicyclic gp. as coupling component; R5 is Ph, biphenyl or R6; R6 is 1-6C alkyl or 5-7C cycloalkyl, opt. with 0 and/or 5 in the chain; in (IIA); R4 is the radical of a coupling component; one of R6-7 is SO3H and the other is H. Pref. (I) has a matrix of PVA, pref. obtd. by alkaline hydrolysis of polyvinyl acetate, opt. contg. comonomers with a deg. of saponification of over 80, pref. 85 ...

Doppelbrechendes optisches Bauteil

Nachrüstbares Head-up-Display-system

Nachrüstbares Head-up-Display-System (100) für ein Fahrzeug, umfassend einen Projektor (4) und eine Projektionsfläche, wobei der Projektor (4) ein mobiles Daten-Endgerät ist und eine Fahrzeugscheibe, insbesondere eine Windschutzscheibe, als Projektionsfläche eingerichtet ist.

Optisches System für eine mikrolithographische Projektionsbelichtungsanlage

Die Erfindung betrifft ein optisches System für eine mikrolithographische Projektionsbelichtungsanlage, mit einer optischen Systemachse (OA) und einer polarisationsbeeinflussenden optischen Anordnung, wobei die polarisationsbeeinflussende optische Anordnung (200, 300) ein erstes polarisationsbeeinflussendes Element (220, 320), welches aus optisch einachsigem Kristallmaterial hergestellt ist und eine zur optischen Systemachse senkrechte erste Orientierung der optischen Kristallachse und eine in Richtung der optischen Systemachse variierende Dicke aufweist, und ein in Lichtausbreitungsrichtung nach dem ersten polarisationsbeeinflussenden Element angeordnetes zweites polarisationsbeeinflussendes Element (230, 330) aufweist, welches aus optisch einachsigem Kristallmaterial hergestellt ist und eine zur optischen Systemachse senkrechte zweite Orientierung der optischen Kristallachse und eine planparallele Geometrie aufweist, wobei die zweite Orientierung von der ersten Orientierung verschieden ...

Polarisationsmessvorrichtung sowie Retikel für eine Projektionsbelichtungsanlage

Polarisationsmessvorrichtung (34) mit einer Lochblende (40) sowie einem optischen Strahlteiler (44) mit einer strahlteilenden Fläche (50) zum Aufspalten eines eingehenden Lichtstrahls (56) in einen an der strahlteilenden Fläche reflektierten Teilstrahl (58) sowie einen die strahlteilende Fläche durchlaufenden Teilstrahl (60), wobei die strahlteilende Fläche zumindest abschnittsweise eine gekrümmte Form aufweist, wobei der Strahlteiler (44) der Lochblende nachgeordnet ist und die strahlteilende Fläche (50) des Strahlteilers derart konfiguriert ist, dass an jedem Punkt (52) der strahlteilenden Fläche eine geradlinige Verbindungsline (56) zwischen dem Punkt und einer Öffnung (41) der Lochblende zur jeweiligen Flächennormalen (54) um den gleichen Winkel () verkippt ist.

Kraftfahrzeug-Anzeigeelement

Kraftfahrzeug-Anzeigeelement (10) mit wenigstens einer Lichtquelle (14, 16) und einer der Lichtquelle (14, 16) zugeordneten Anzeigefläche (12), die durch eine Polarisationsfolie ausgebildet ist und mehrere Pixelelemente (18) aufweist, die aus zumindest zwei unterschiedlichen Polarisationsfiltern (20, 22) gebildet sind, wobei die Anzeigefläche (12) derart ausgebildet ist, dass zumindest zwei unterschiedliche Symbole (36, 38) auf derselben Anzeigefläche (12) angezeigt werden können.

Verfahren und Vorrichtung zur Steuerung der Laserstrahlenergie

Vorrichtung zur homogenen mehrfarbigen Beleuchtung einer Fläche

Es wird bereitgestellt eine Vorrichtung zur homogenen mehrfarbigen Beleuchtung einer Fläche (8), mit einer ersten und einer zweiten Lichtquelle (1, 2, 3), die Licht unterschiedlicher Farben abgeben, einer Kombiniereinheit (5), die das Licht der Lichtquellen (1 bis 3) in einen gemeinsamen Strahlengang lenkt, und mit einem Kondensorsystem, das zwischen der Kombiniereinheit (5) und jeder Lichtquelle (1 bis 3) jeweils ein erstes Linsenarray (9) und im gemeinsamen Strahlengang eine Optikeinheit (11) mit positiver Brechkraft aufweist.

FARBFILTERADAPTER MIT FARBWECHSEL FÜR OPTISCHE AUFNAHME- UND PROJEKTIONSVORRICHTUNGEN UND PRODUKTIONSVERFAHREN DAZU.

FARBVERWALTUNGSSYSTEM

Fourier-Transform-Spektrometer, Verfahren zum Herstellen eines Fourier-Transform-Spektrometers und Verfahren zur Darstellung eines elektromagnetischen Spektrums

Die Erfindung betrifft ein Fourier-Transform-Spektrometer (100) mit einem Diffusorelement (102) zum Streuen von Licht, einem ersten Polarisatorelement (104) zum Polarisieren von aus dem Diffusorelement (102) austretendem Licht, einem doppelbrechenden Aufspaltungselement (106) zum Aufspalten von aus dem ersten Polarisatorelement (104) austretendem Licht in unterschiedlich polarisierte Strahlenbündel, einem als Analysator fungierenden zweiten Polarisatorelement (112) zum Polarisieren von aus dem Aufspaltungselement (106) austretenden Strahlenbündeln und einem Detektorelement (114) zum Detektieren von aus dem zweiten Polarisatorelement (112) austretendem Licht. Dabei verwenden das erste Polarisatorelement (104) und das zweite Polarisatorelement (112) voneinander abweichende Polarisationsverfahren.

Polymerisierbares Flüssigkristallmaterial

Process of preparing an anisotropic multilayer using particle beam alignment

The invention relates to a process of preparing a multilayer comprising two or more anisotropic layers with different optical axes by using a particle beam etching technique, to a multilayer obtained by said process, to the use of such a multilayer as optical compensator or retarder in optical and electrooptical devices, and to devices comprising such a multilayer.

Liquid-crystal display device and liquid-crystal cell

To provide a liquid crystal display device in which the transmitted light is inhibited not only in the front direction but also in oblique directions in the black state. Disclosed is a liquid-crystal display device comprising first and second polarizing elements, and a liquid-crystal cell disposed between the first and second polarizing elements, wherein the liquid-crystal cell comprises first and second substrates (provided that the first substrate is disposed closer to the first polarizing element, and the second substrate is disposed closer to the second polarizing element), a liquid-crystal layer disposed between the first and second substrates, a color filter layer disposed on an inner surface of the first substrate, and an in-cell polarizing layer disposed between the color filter layer and the liquid-crystal layer, the absorption axis of the first polarizing element and the absorption axis of the in-cell polarizing layer are parallel to each other, and the sum total of the absolute values of Re of all the layers disposed between the in-cell polarizing layer and the first polarizing element is equal to or less than 10 nm, and the sum total of the absolute values of Rth thereof is equal to or less than 15 nm.

Optical film, polarizing plate and liquid crystal display device

An optical film is provided and includes: a transparent support satisfying the following expressions (1) and (2); and an optically anisotropic layer having a λ/4 function. The optical film has an Rth (550) satisfying a relation of |Rth (550)|≦20. |Re (550)|≦10   (1) |ΔRth (25° C. 30% RH−25° C80% RH)|≦20   (2) Re (550) represents an in-plane retardation Re at a wavelength of 550 nm, and Rth (550) represents a retardation Rth in a film thickness direction at a wavelength of 550 nm; and ΔRth (25° C. 30% RH−25° C. 80% RH) represents a difference between Rth (550) at 25° C. and 30% RH and Rth (550) at 25° C. and 80% RH

Patterned polarization converter

The present invention provides a patterned polarization converter having multiple domains that can be used to convert input linear polarized light to output light with spatially varying polarization states, including domains that produce linearly polarized light and domains that produce circular polarized light based on the patterning of the domains. A patterned polarization converter having multiple domains may be used in a polarization sensor application capable of detecting the polarization state of input light. The present invention further provides patterned radial and azimuthal polarization converters, which have utility in applications such as optical tweezers. Additionally, patterned polarization converters may be used to fabricate more patterned polarization converters having the same pattern using one-step photoalignment to copy the pattern of an existing patterned polarization converter to an unpatterned photoalignment layer.

Method of fabricating patterned retarder

A method of fabricating a patterned retarder includes: forming a retarder material layer on a substrate by coating a retarder material; irradiating a first polarized UV ray onto the retarder material layer, the first polarized UV ray having a first polarization axis; irradiating a second polarized UV ray onto the retarder material layer, the second polarized UV ray having a second polarization axis perpendicular to the first polarization axis; and baking the retarder material layer to form first and second oriented patterns alternating with each other, each of the first and second oriented patterns having an anisotropic property.

Variable Transmission Window

The various embodiments include variable optical transmission devices with uniform or patterned polarizers or wave retarders configured to provide continuous or nearly continuous variations in light transmission based on linear translation. For example, embodiments include a variable transmission window including a first uniform polarizer with a first polarization axis, a second uniform polarizer with a second polarization axis, a first patterned wave retarder positioned between the first and second polarizers and including a first plurality of domains configured to vary in at least one of optic axis, thickness, or birefringence, and a second patterned wave retarder positioned between the first and second polarizers and including a second plurality of domains configured to vary in at least one of optic axis, thickness, or birefringence. The first or second wave retarder is configured to be linearly translatable relative to the other wave retarder.

Phase shift plate and stereoscopic displaying apparatus having the same

A phase shift plate comprising a transparent substrate; an orientation layer that is formed on one surface of the substrate and that includes anisotropic polymers with orientation direction patterns arranged periodically along a primary surface of the substrate; and a liquid crystal layer that includes liquid crystals that are periodically oriented according to the orientation direction of the orientation layer. The transparent substrate is formed by a cyclic olefin copolymer made of a norbornene and ethylene copolymer.

Liquid crystal display device

To provide a liquid crystal display device having a high CR and a rapid response. Disclosed is a liquid crystal display device comprising in the following order a light source, a first polarizer, a first transparent film, a liquid crystal cell comprising a pair of transparent substrates and a polymer-stabilized blue phase liquid crystal layer disposed therebetween, a second transparent film, and a second polarizer; wherein one of the pair of transparent substrates is an array substrate and another thereof has no color filter layer thereon.

Optically anisotropic element, polarizing plate, stereoscopic display device, and stereoscopic display system

Reduction of crosstalk of a stereoscopic display device equipped with an optically anisotropic element having a finely patterned optically anisotropic layer. The optically anisotropic element has a patterned optically anisotropic layer which contains a first retardation area and a second retardation area differing from each other in at least either the direction of in-plane slow axes or the in-plane retardation, and the first and second retardation area being alternately arranged in plane, the patterned optically anisotropic layer being disposed on a surface of a laminate having a first film and a second film, while an in-plane slow axes of the first and an in-plane slow axis the second film being orthogonal to each other.

Optical compensation film and method for manufacturing the same

An optical compensation film for a liquid crystal display is provided and comprises a liquid crystal layer which is disposed on a substrate and has a plurality of first stripe-structure regions with a first thickness and a plurality of second stripe-structure regions with a second thickness, wherein each of the second stripe-structure regions is contiguous to at least one of the first stripe-structure region and the second thickness is greater than the first thickness. The method for manufacturing the optical compensation film is provided.

LOW-TWIST CHIRAL OPTICAL LAYERS AND RELATED FABRICATION METHODS

An optical element includes a first and second stacked birefringent layers. The first birefringent layer includes local anisotropy patterns having respective relative orientations that vary over a first thickness between opposing faces of the first birefringent layer to define a first twist angle. The second birefringent layer includes local anisotropy patterns having respective relative orientations that vary over a second thickness between opposing faces of the second birefringent layer to define a second twist angle different than the first twist angle. Related devices and fabrication methods are also discussed. 1. An optical element , comprising:first and second stacked birefringent layers having respective local optical axes that are rotated by respective twist angles over respective thicknesses defined between opposing faces of the first and second birefringent layers, wherein the respective twist angles are different.2. The optical element of claim 1 , wherein the respective twist angles are opposite in twist sense.3. The optical element of claim 2 , wherein the respective twist angles are substantially equal in magnitude.4. The optical element of claim 3 , wherein the respective thicknesses are substantially equal.5. The optical element of claim 1 , wherein the respective local optical axes of the first and second layers are defined by local anisotropy patterns having respective orientations that vary over the respective thicknesses of the first and second layers.6. The optical element of claim 5 , wherein the respective orientations of the local anisotropy patterns of the first layer continuously vary relative to one another in a manner opposite to those of the local anisotropy patterns of the second layer over the respective thicknesses of the first and second layers.7. The optical element of claim 1 , wherein the respective local optical axes of the first and second layers are defined by molecules having respective relative orientations that are rotated ...

OPTICAL ELEMENT

An optical element is provided. The optical element shows excellent durability, hardness property and reworkability. 1. An optical element comprising:a phase retardation layer comprising a liquid crystal layer, of which a difference between in-plane refractive indexes in a slow axis direction and a fast axis direction is 0.05 to 0.2 and which has a thickness of 0.5 μm to 2.0 μm, and comprises a polymerizable liquid crystal compound; a polarizing plate which is attached to the phase retardation layer by a first pressure-sensitive adhesive layer and comprises a polarizer; anda second pressure-sensitive adhesive layer that is formed on a side, to which the first pressure sensitive adhesive is not attached, of the polarizing plate, and has a storage modulus at 25° C. of greater than 0.08 MPa.2. The optical element of claim 1 , wherein the polymerizable liquid crystal compound comprises a multifunctional polymerizable liquid crystal compound and a monofunctional polymerizable liquid crystal compound.3. The optical element of claim 1 , wherein the liquid crystal layer comprises first and second regions having different phase retardation properties to each other.4. The optical element of claim 3 , wherein the first and second regions have optical axes formed in different directions to each other claim 3 , and a line bisecting an angle formed by the optical axes of the first and the second regions is vertical or horizontal to the absorption axis of the polarizer.5. The optical element of claim 1 , wherein the first pressure-sensitive adhesive layer has a storage modulus at 25° C. of 0.02 MPa or more.6. The optical element of claim 1 , wherein the first and second pressure-sensitive adhesive layers have a thickness of 25 μm or less claim 1 , respectively.7. The optical element of claim 1 , wherein the second pressure-sensitive adhesive layer comprises a cross-linking structure comprising an acrylic polymer cross-linked by a multifunctional cross-linking agent and a cross- ...

OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE

To provide an optical film, which may be used as a λ/4 plate and may provide a display device which has specific optical characteristics, may be manufactured with high productivity and has an excellent 3D-display performance. To provide a 3D-display device having a physical properties having excellent antireflective property and light fastness with high productivity. An optical film having at least one optically anisotropic layer, wherein an in-plane retardation. Re at an arbitrary wavelength in a visible light region is 80 nm to 201 nm, an Nz value represented by the following equation is 0.1 to 0.9, and when the in-plane retardations at wavelengths of 450 nm, 550 nm and 650 nm are referred to as Re450, Re550 and Re650, respectively, Re450/Re550 is 1.18 or less and Re650/Re550 is 0.93 or more. 1. An optical film comprising optically anisotropic layer ,wherein an in-plane retardation Re at an arbitrary wavelength in a visible light region is 80 nm to 200 nm,an Nz value represented by the following conation is 0.1 to 0.9, and {'br': None, 'i': Nz=', '+Rth/Re, '0.5'}, 'when the in-plane retardations at wavelengths of 450 nm, 550 nm and 650 nm are referred to as Re450, Re550 and Re650, respectively, Re450/Re550 is 1.18 or less and Re650/Re550 is 0.93 or morewherein Rth represents a retardation in a thickness direction.2. The optical film according to claim 1 , further comprising a support claim 1 ,wherein the optically anisotropic layer is stacked on the support and contains at least one liquid crystalline compound.3. The optical film claim 2 , according to claim 2 ,wherein the liquid crystalline compound is a discotic liquid crystalline compound, andthe discotic liquid crystalline compound is fixed in order that an alignment state of thediscotic liquid crystalline compound is substantially vertical to a plane of the optically anisotropic layer.6. The optical film according to claim 2 ,wherein the optically anisotropic layer is a layer continuously formed on a long ...

RETARDER FILM COMBINATIONS WITH SPATIALLY SELECTIVE BIREFRINGENCE REDUCTION

Retarder film combinations generally include a retarder film connected to another optical component such that light transmitted by the retarder film can impinge on the optical component, the combination being configured to allow independent patterning of the retarder film and the optical component by selective birefringence reduction. The patterning can change a first light retardation to a third light retardation in a first zone without substantially changing optical characteristics of the optical component in the first zone. The optical component may be a second retarder film having a second light retardation, and the patterning may change the second light retardation to a fourth light retardation, without substantially changing the first light retardation, in a second zone. The optical component may also be a multilayer optical film, or a diffusely reflective optical film having a blended layer of first and second distinct phases. 2. The film of claim 1 , wherein the first and second light retardations are substantially the same.3. The film of claim 1 , wherein the first and second light retardations are substantially different.4. The film of claim 3 , wherein the first light retardation is a half-wave retardation claim 3 , and the second light retardation is a quarter-wave retardation.5. The film of claim 1 , wherein the third light retardation is less than the first light retardation claim 1 , and the fourth light retardation is less than the second light retardation.6. The film of claim 1 , wherein the first film has a first fast axis claim 1 , the second film has a second fast axis claim 1 , and the first and second fast axes are substantially parallel.7. The film of claim 1 , wherein the first and second films are interior layers of the composite film.9. The film of claim 1 , wherein the first blocking layer comprises a reflective STOF film.11. The film of claim 10 , wherein the second absorption characteristic is suitable to claim 10 , upon exposure to the ...

OPTICAL FILM, METHOD FOR MANUFACTURING THE SAME, AND POLARIZING PLATE, IMAGE DISPLAY DEVICE, AND STEREO PICTURE DISPLAY SYSTEM INCLUDING THE OPTICAL FILM

Provide is an optical film which includes an optically anisotropic layer having a high-definition alignment pattern, can be readily produced, and is utility. The optical film comprising: a transparent support; an alignment film subjected to a unidirectional alignment treatment; and an optically anisotropic layer formed of one kind of composition mainly containing liquid crystal having a polymerizable group, wherein the optically anisotropic layer is a patterned optically anisotropic layer having first retardation regions and second retardation regions alternately disposed in a plane, and the first retardation regions and the second retardation regions have in-plane slow axes orthogonal to each other. 1. An optical film comprising:a transparent support;an alignment film subjected to a unidirectional alignment treatment; andan optically anisotropic layer formed of one kind of composition mainly containing liquid crystal having a polymerizable group, wherein the optically anisotropic layer is a patterned optically anisotropic layer having first retardation regions and second retardation regions alternately disposed in a plane, and the first retardation regions and the second retardation regions have in-plane slow axes orthogonal to each other.2. The optical film according to claim 1 , wherein the alignment film is an unidirectionally rubbed alignment film.3. The optical film according to claim 1 , wherein the optical film has an in-plane retardation Re(550) of 110 to 165 nm at a wavelength of 550 nm.4. The optical film according to claim 1 , wherein the transparent support has an Re(550) of 0 to 10 nm.5. The optical film according to claim 1 , wherein the optical film has a thickness-direction retardation Rth (550) satisfying the relationship: |Rth(550)|≦20 at a wavelength of 550 nm claim 1 , where Rth(550) are retardation (nm) along the thickness direction at a wavelength of 550 nm.6. The optical film according to claim 1 , wherein the alignment film is a film ...

Optical stack having birefringent layer of optically symmetrical crystallites

An optical stack ( 400 ) having a plurality of alternating polymeric layers ( 401, 402 ) is described. The alternating layers may be alternating birefringent (syndiotactic polystyrene, sPS) and isotropic (CoPENa) layers, or alternating positively and negatively birefringent layers. Birefringent layers are made using polymers which form optically symmetrical crystallites upon stretching of the polymer. The optical stack has a large refractive index difference in the x-direction (the stretching direction) and small refractive index differences in the y- and z-directions (the non-stretching directions). The optical stack can be made using standard film tentering methods and may be a multilayer reflective polarizer.

LIGHT ABSORPTION ANISOTROPIC FILM, POLARIZING FILM, PROCESS FOR PRODUCING THE POLARIZING FILM AND DISPLAY DEVICE USING THE POLARIZING FILM

A light absorption anisotropic film, wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; and which is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; and shows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction. The light absorption anisotropic film is high in dichroism. 114-. (canceled)15. An optical absorption anisotropic film ,wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; andwhich is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; andshows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction.16. The optical absorption anisotropic film according to claim 15 , wherein a period shown by at least one of the diffraction peaks is 3.0 to 50 Å.17. The optical absorption anisotropic film according to claim 15 , wherein at least one half-value width of the diffraction peaks is 10.0 Å or less.18. The optical absorption anisotropic film according to which shows diffraction peaks derived from a periodic structure in a direction vertical to the alignment axis and in which the period shown by at least one of the diffraction peaks is 3.0 to 15.0 Å.19. The optical absorption anisotropic film according to claim 18 , wherein at least one of diffraction peaks derived from the periodic structure in the direction vertical to the alignment axis is a diffraction peak derived from a periodic structure in an in-plane direction.20. The optical absorption anisotropic film according to claim 18 , wherein there is one diffraction peak derived from the periodic structure in the direction vertical to the ...

OPTICAL PHASE DEVICE, METHOD AND SYSTEM.

The invention provides an optical phase device, method and system. The optical phase device consists of a transparent dielectric substrate, a multilayer stack of dielectrics and a buffer layer. The refractive index of the transparent dielectric substrate, the multilayer stack of dielectrics and the buffer layer are all larger than that of the external medium. For the wavelength of the incident beam, the optical phase device has a phase variation in the angular range [α, β] and the critical angle for total reflection on the interface between the buffer layer and the external medium adjacent to the buffer layer is γ, γ<β. The optical device has both low loss and large phase variation, which leads to a large Goos-Hanchen shift. As a dispersion compensation component, it can produce larger, tunable dispersions, and different dispersion compensations can be obtained by adjusting the operating angle or parameters in the structure. 120.-. (canceled)21. An optical phase device comprising:(a) a transparent dielectric substrate;(b) a multilayer stack of dielectrics including two or more dielectric media with different refractive indices; and(c) a buffer layer which forms a first interface with an external medium, where the refractive index of the transparent dielectric substrate is larger than the refractive index of the external medium, where the refractive indices of the two or more dielectric media are larger than the refractive index of the external medium, where the refractive index of the buffer layer is larger than the refractive index of the external medium, where the optical phase device has phase variations in an angular range of [α, β] for the operation wavelength of an incident beam and the critical angle of total internal reflection at the first interface is γ, where γ<β.22. The optical phase device of claim 21 , where the multilayer stack of dielectrics is formed by alternating layers of the two or more dielectric media.23. The optical phase device of claim 21 , ...

PHASE DIFFERENCE FILM LAYERED BODY USED IN STEREOSCOPIC IMAGE DEVICE

A phase difference film stacked body having a lengthy shape, including a first phase difference film that has a uniform phase difference within a plane, and a second phase difference film that includes a plurality of regions that are patterned within a plane, the plurality of regions having different phase differences; as well as a polarizing plate complex having the same, a display device, and polarization glasses corresponding thereto. 1. A phase difference film stacked body having a lengthy shape , comprising: a first phase difference film that has a uniform phase difference within a plane; and a second phase difference film that includes a plurality of regions that are patterned within a plane , the plurality of regions having different phase differences.2. The phase difference film stacked body according to claim 1 , wherein the first phase difference film has a slow axis that is not parallel to a lengthwise direction of the film.3. The phase difference film stacked body according to claim 1 , wherein the first phase difference film generates a phase difference of approximately λ/4 of light perpendicularly passing through a surface of the film.4. The phase difference film stacked body according to claim 1 , wherein the first phase difference film has a stretch axis that is not parallel to a lengthwise direction of the film.5. The phase difference film stacked body according to claim 1 , wherein the first phase difference film is a liquid crystal resin layer having a slow axis that is not parallel to a lengthwise direction of the film.6. The phase difference film stacked body according to claim 1 , wherein the second phase difference film is formed by applying a liquid crystal layer forming composition onto a substrate that has been subjected to an orientation treatment in parallel to a lengthwise direction of the film.7. The phase difference film stacked body according to claim 1 , wherein: the second phase difference film includes at least a first region and a ...

WAVE PLATE AND WAVE PLATE MANUFACTURING METHOD

A wave plate capable of increasing a birefringence quantity and being made into a thin film, and a method of manufacturing the wave plate. The wave plate includes a substrate, whereon convex portions and concave portions are formed with a period less than or equal to the wavelength of light that is used therewith, columnar portions, wherein fine grains of a dielectric material are layered by oblique vapor deposition of a dielectric material from two directions, in a columnar shape on the convex portions in the vertical direction relative to the surface of the substrate, and interstices that are located on the concave portions and disposed between the columnar portions. Using birefringence from the fine grains of the dielectric material and birefringence from the concave/convex portions of the substrate allows increasing the birefringence quantity and making a thin film. 18-. (canceled)9. A wave plate comprising:a substrate on which periodic convex and concave portions, each having a period less than or equal to a wavelength of light to be used, are formed in a lattice shape;columnar portions that are formed on each of the convex portions in a columnar shape by oblique vapor depositing processes of a dielectric material carried out alternately in two directions different from each other by 180°, with fine grains of the dielectric material being stacked in a vertical direction relative to a surface of the substrate; andan interstice that is positioned on each of the concave portions, and formed between the columnar portions.10. The wave plate according to claim 9 , wherein each of the layers of the columnar portions has a thickness of 50 nm or less.11. The wave plate according to claim 9 , wherein the dielectric material contains TaO claim 9 , and has a birefringence quantity of 0.13 or more within a visible light area.12. The wave plate according to any one of claim 9 , wherein birefringence quantities between arbitrary two wavelengths within the visible light area ...

Polarizing plate and liquid crystal display including the same

A polarizing plate includes a polarizer and at least one protective film on at least one side of the polarizer. The protective film has an in-plane retardation (Re) of greater than about 10,000 nm at a wavelength of 550 nm, as calculated by Re=(nx−ny)×d, wherein nx and ny are indexes of refraction in x-axis and y-axis directions of the protective film, respectively, and d is a thickness of the protective film.

LIGHT EFFICIENCY ENHANCING OPTICAL DEVICES

A light efficiency enhancing optical device is disclosed, including a cholesteric liquid crystal film, a quarter wave plate disposed on a light out-going surface of the cholesteric liquid crystal film and an optical compensating film disposed on a light out-going surface of the quarter wave plate, wherein the optical compensating film includes a positive birefringence C-plate, and a composite optical compensating film with combination of the optical compensating film and the quarter wave plate has in-plane phase retardation Rof 100 nm˜170 nm and out-of-plane phase retardation Rof 0 nm˜400 nm. 1. A light efficiency enhancing optical device , comprising:a cholesteric liquid crystal film;a quarter wave plate disposed on the light out-going surface of the cholesteric liquid crystal film; andan optical compensating film disposed on the light out-going surface of the quarter wave plate, wherein the optical compensating film comprises a positive birefringence C-plate,{'sub': 0', 'th, 'wherein a composite optical compensating film with combination of the optical compensating film and the quarter wave plate has in-plane phase retardation Rof 100 nm˜170 nm and out-of-plane phase retardation Rof 0 nm˜400 nm.'}2. The light efficiency enhancing optical device as claimed in claim 1 , wherein the cholesteric liquid crystal film has broadband characteristics and has a polarizing selective wavelength spectrum in a wavelength range from 450 nm to 680 nm.3. The light efficiency enhancing optical device as claimed in claim 1 , wherein the cholesteric liquid crystal film has gradient pitches.4. The light efficiency enhancing optical device as claimed in claim 1 , wherein the optical compensating film is formed by nematic liquid crystals with vertical alignment.5. The light efficiency enhancing optical device as claimed in claim 1 , further comprising optical glue between the cholesteric liquid crystal film and the quarter wave plate.6. The light efficiency enhancing optical device as ...

OPTICAL FILM, MULTILAYER FILM, AND MANUFACTURING METHOD THEREOF

An optical film that does not cause display unevenness, includes a retardation layer A (A layer) satisfying the following relational expression, nz>nx≧ny here, nx represents an in-plane refractive index in a direction of an in-plane slow axis, ny represents an in-plane refractive index in a direction orthogonal to the direction of an in-plane slow axis, and nz represents a refractive index in a thickness direction; and a retardation layer B (B layer) of which in-plane retardation Re and thickness direction retardation Rth satisfy the following relational expressions: 0 nm≦Re≦20 nm and 50 nm≦Rth≦300 nm, wherein the total film thickness is 5 μm to 40 μm. 2. The optical film according to claim 1 , [{'br': None, 'i': 'Re≦', '50 nm≦150 nm'}, {'br': None, 'i': 'Rth≦−', '−150 nm≦50 nm'}], 'wherein Re and Rth of the A layer satisfy the following relational expressions.'}3. The optical film according to claim 1 , {'br': None, 'i': 'Rth|/|Re|+', '0.5≦|0.5≦0.8'}, 'wherein Re and Rth of the whole film as a multilayer film satisfy the following relational expression.'}4. The optical film according to claim 3 , [{'br': None, 'i': 'Re≦', '50 nm≦150 nm'}, {'br': None, 'i': 'Rth≦−', '−150 nm≦50 nm'}], 'wherein Re and Rth of the A layer satisfy the following relational expressions.'}5. The optical film according to claim 1 , {'br': None, 'i': 'Rth|/|Re|+', '0.5≦0.5≦0.7'}, 'wherein Re and Rth of the whole film as a multilayer film satisfy the following relational expression.'}6. The optical film according to claim 2 , {'br': None, 'i': 'Rth|/|Re|+', '0.5≦|0.5≦0.7'}, 'wherein Re and Rth of the whole film as a multilayer film satisfy the following relational expression.'}7. The optical film according to claim 3 , {'br': None, 'i': 'Rth|/|Re|+', '0.5≦|0.5≦0.7'}, 'wherein Re and Rth of the whole film as a multilayer film satisfy the following relational expression.'}8. The optical film according to claim 4 , {'br': None, 'i': 'Rth|/|Re|+', '0.5≦|0.5≦0.7'}, 'wherein Re and Rth of the whole ...

LIQUID CRYSTAL ALIGNMENT FILM, PROCESS FOR ITS PRODUCTION, OPTICAL ELEMENT USING THE LIQUID CRYSTAL ALIGNMENT FILM, AND OPTICAL INFORMATION WRITING/READING DEVICE

To provide a liquid crystal alignment film having a sufficient alignment-regulating power and high resistance against blue laser beam and having, at the same time, excellent adhesion, and an optical element using it. A liquid crystal alignment film obtainable by bonding, by chemisorption to a substrate, an alignment-regulating precursor which undergoes anisotropic decomposition by irradiation with polarized ultraviolet light, and irradiating the alignment-regulating precursor bonded to the substrate, with polarized ultraviolet light, to let it undergo anisotropic decomposition and exhibit an alignment-regulating power. 1. A liquid crystal alignment film obtainable by bonding , by chemisorption to a surface of a substrate , an alignment-regulating precursor which undergoes anisotropic decomposition by irradiation with polarized ultraviolet light , and irradiating the alignment-regulating precursor bonded to the substrate , with polarized ultraviolet light , to let it undergo anisotropic decomposition and exhibit an alignment-regulating power.5. The liquid crystal alignment film according to claim 1 , wherein the surface of the substrate is divided into a plurality of regions claim 1 , and in every region claim 1 , a predetermined alignment-regulating power is imparted.6. A process for producing a liquid crystal alignment film claim 1 , which comprises:a bonding step of contacting, to a substrate, a solution containing an alignment-regulating precursor which undergoes anisotropic decomposition by irradiation with polarized ultraviolet light, to bond the alignment-regulating precursor to the substrate by chemisorption,a cleaning step of cleaning the substrate with a solvent to remove the alignment-regulating precursor not bonded to the substrate, anda photo-alignment step of irradiating the alignment-regulating precursor bonded to the substrate, with polarized ultraviolet light, to let it undergo anisotropic decomposition and exhibit an alignment-regulating power.8. ...

Polarization structure, method of manufacturing the same and organic light emitting display having the structure

A polarization structure for a display device is disclosed. In one embodiment, the polarization structure includes a retardation layer, a polarizing layer and a polarizing pattern. The retardation layer may be configured to produce a phase difference between two polarization components of an incident light. The polarizing layer may have an adsorption axis along a first direction on the retardation layer. The polarizing layer may include a first region and a second region surrounding at least one side of the first region. The polarizing pattern may have an adsorption axis along a second direction perpendicular to the first direction in the second region.

Liquid crystal display

An embodiment of the present invention relates to a liquid crystal display. An upper surface alignment layer in the liquid crystal display is arranged to comprise, in the direction from a color filter substrate to a liquid crystal layer, a first upper surface alignment layer, a color washout compensation film layer and a second upper surface alignment layer; an alignment direction of the color washout compensation film layer is opposite to the pre-alignment direction of the liquid crystal layer. In the technical solution, the color washout compensation film layer is used to rectify the color washout problem occurring when the screen of a liquid crystal display screen of a fringe field switching mode is viewed from both the left side and right sides.

Method For Evaluating Birefringence Of Adhesive, Method For Designing Adhesive, Method For Producing Adhesive, Adhesive, Polarizing Plate, Liquid Crystal Display Device, Method For Producing Polarizing Plate And Method For Producing Liquid Crystal Display Device

Methods of evaluating birefringence of an adhesive agent, and of designing and producing an adhesive agent using the evaluation method, as well as adhesive agents produced using these methods. A polarizing plate and a liquid crystal display device using the obtained adhesive agent are proposed, as well as methods for producing the same. 1. A method of evaluating birefringence of an adhesive agent comprising:{'sup': '−3', 'preparing a laminated film by applying an adhesive agent to a support body which comprises a polymer film whose inherent birefringence is 1×10or less;'}heat-drawing said laminated film; andmeasuring retardation of the laminated film after being heat-drawn and the layer-thickness of said adhesive agent.2. The method of evaluating birefringence according to claim 1 , wherein for said polymer film claim 1 , the photoelastic coefficient thereof is 1×10Paor less by the absolute value.3. The method of evaluating birefringence according to claim 1 , wherein said laminated film is a laminated film formed by sandwiching said adhesive agent between said two sheets of support bodies.4. The method of evaluating birefringence according to a claim 1 , wherein said heat-drawing is carried out under a glass-transition temperature or more of said polymer film.5. The method of evaluating birefringence according to claim 1 , wherein said heat-drawing is carried out under a condition of 70° C. to 150° C. drawing temperature claim 1 , 50%/min to 1000%/min drawing speed and draw ratio of 1.1 times to 3 times.6. A method of designing an adhesive agent comprising:{'sup': '−3', 'measuring birefringences of plural kinds of adhesive polymer compositions which include polymers and which are used for samples by for each adhesive polymer composition, preparing a laminated film by applying the adhesive agent to a support body which comprises a polymer film whose inherent birefringence is 1×10or less, heat-drawing said laminated film, and measuring retardation of the laminated ...

ILLUMINATION APPARATUS FOR MICROLITHOGRAPHY PROJECTION SYSTEM INCLUDING POLARIZATION-MODULATING OPTICAL ELEMENT

A polarization-modulating optical element consisting of an optically active crystal material has a thickness profile where the thickness, as measured in the direction of the optical axis, varies over the area of the optical element. The polarization-modulating optical element has the effect that the plane of oscillation of a first linearly polarized light ray and the plane of oscillation of a second linearly polarized light ray are rotated, respectively, by a first angle of rotation and a second angle of rotation, with the first angle of rotation and the second angle of rotation being different from each other. 1. An optical element , comprising:a polarization-modulating optical element comprising an optically active crystal having an optical axis, the polarization-modulating optical element having a thickness profile that, as measured in the direction of the optical axis, is variable,wherein the polarization-modulating optical element has an element axis oriented substantially in the direction of the optical axis of the optically active crystal, and the thickness profile in relation to the element axis has a variation that depends only on an azimuth angle θ, where θ is measured from a reference axis that runs perpendicular to the element axis and intersects the element axis.2. The optical element of claim 1 , wherein the thickness profile has a constant value along a radius that is oriented perpendicularly to the element axis and at the angle θ relative to the reference axis.3. The optical element of claim 1 , wherein the polarization-modulating optical element is configured to transform an entering light bundle with a first linear polarization distribution into an exiting light bundle with a second linear polarization distribution different from the first linear polarization distribution.4. The optical element of claim 3 , wherein the second linear polarization distribution is an approximately tangential polarization distribution or an approximately radial ...

POLARIZING PLATE EXHIBITING A HIGH CONTRAST RATIO AND LIQUID CRYSTAL DISPLAY APPARATUS

An object of the present invention is to provide a thin polarizing plate exhibiting a high contrast ratio. A polarizing plate of the present invention includes: a polarizer; a first protective layer provided on one side of the polarizer; and a second protective layer provided on the other side of the polarizer, wherein the first protective layer has a function of separating incident light into two polarized light components perpendicular to each other, transmitting one polarized light component, and reflecting the other polarized light component. Such a polarizing plate can exhibit a high contrast ratio, for example, in the case of being used in a liquid crystal display apparatus. 1. A long polarizing plate , comprising: a long polarizer having a transmission axis in a longitudinal direction and a long first protective layer having a transmission axis in a longitudinal direction and provided on one side of the polarizer ,wherein the first protective layer has a function of separating incident light into two polarized light components perpendicular to each other, transmitting one polarized light component, and reflecting the other polarized light component;the polarizer and the first protective layer are laminated so that the longitudinal directions are matched with each other; andthe transmission axis direction of the polarizer and the transmission axis direction of the first protective layer are substantially parallel to each other.2. A long polarizing plate according to claim 1 , wherein the polarizer comprises a stretched film of a polyvinyl alcohol-based resin containing a dichroic pigment.3. A long polarizing plate according to claim 1 , wherein the polarizer comprises a solidified layer or a cured layer of an aligned lyotropic liquid crystal.4. A long polarizing plate according to claim 3 , wherein the lyotropic liquid crystal contains an azo-based pigment claim 3 , an anthraquinone-based pigment claim 3 , a perylene-based pigment claim 3 , an indanthrone- ...

OPTICAL ELEMENT

An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image. 1. An optical element comprising a polarizer and a liquid crystal layer which are attached to each other by an adhesive layer comprising an active energy ray-curable adhesive composition in a cured state , the adhesive composition including an acrylamide-based radically polymerizable compound , {'br': None, 'i': 'X<', '8%\u2003\u2003Equation 1'}, 'wherein the liquid crystal layer has a difference between in-plane refractive indexes in a slow axis direction and a fast axis direction of 0.05 to 0.2 and a thickness of 0.5 μm to 2.0 μm, and satisfies the following Equation 1wherein X represents a percentage of a variation in a phase difference value of the liquid crystal layer obtained after keeping the optical element at 80° C. for 100 hours, relative to the initial phase difference value of the liquid crystal layer of the optical element.3. The optical element of claim 2 , wherein the alkyl group is an alkyl group having 1 to 20 carbon atoms claim 2 , and the heterocyclic structure contains 3 to 20 ring-membered atoms.4. The optical element of claim 1 , wherein the adhesive composition further comprises a radically polymerizable compound having a heterocyclic acetal structure.5. The optical element of claim 4 , wherein the heterocyclic acetal structure contains 4 to 20 ring-membered atoms.8. The optical element of claim 4 , wherein the adhesive composition comprises 20 parts by weight to 80 parts by weight of the radically polymerizable compound having the heterocyclic acetal structure claim 4 , relative to 100 parts by weight of the acrylamide-based radically polymerizable compound.12. The optical element of claim 1 , wherein the adhesive composition ...

Illumination optical apparatus and projection exposure apparatus

An illumination optical apparatus and projection exposure apparatus capable of reducing a light quantity loss when a mask is illuminated with a polarized illumination light. An illumination optical system for illuminating a reticle with an illumination light and a projection optical system for projecting the pattern image of the reticle onto a wafer are provided. An illumination light emitted from an exposure light source in a linearly polarized state in the illumination optical system passes through first and second birefringent members having different fast axis directions and is converted into a polarized state that is substantially linearly polarized in a circumferential direction with the optical axis as the center in an almost specific annular area, and them illuminates the reticle under an annular illuminating condition after passing through a fly-eye lens.

BIREFRINGENCE PATTERN TRANSFER FOIL

According to the present invention, a birefringence pattern transfer foil, comprising at least one patterned optically anisotropic layer having two or more regions of differing birefringence and at least one adhesive layer on a temporary support, characterized in that a blocking prevention means is provided to the adhesive layer and/or characterized in that the retardation of the adhesive layer is 40 nm or less is provided. The birefringence pattern transfer foil of the present invention has excellent applicability and handling, and can be used on a variety of subjects. 1. A birefringence pattern transfer foil , comprising a temporary support , a patterned optically anisotropic layer having two or more regions of differing birefringence and an adhesive layer in this order , characterized in that the retardation of the adhesive layer is 40 nm or less , a blocking prevention means is provided to the adhesive layer.2. The birefringence pattern transfer foil according to characterized in that the adhesive layer is on the outer surface3. The birefringence pattern transfer foil according to claim 1 , characterized in that the blocking prevention means is comprised of microparticles added to the adhesive layer.4. The birefringence pattern transfer foil according to claim 2 , characterized in that the blocking prevention means is comprised of microparticles added to the adhesive layer.5. The birefringence pattern transfer foil according to claim 1 , characterized in that the blocking prevention means is a cover film adhered to the surface of the adhesive layer.6. The birefringence pattern transfer foil according to claim 2 , characterized in that the blocking prevention means is a cover film adhered to the surface of the adhesive layer.7. The birefringence pattern transfer foil according to claim 1 , characterized by being provided in the form of a roll film.8. The birefringence pattern transfer foil according to claim 2 , characterized by being provided in the form of a ...

Liquid-crystal display device

Disclosed is a liquid-crystal display device comprising a polarizing plate comprising a polarizing element and a thermoplastic-resin film which comprises a lactone ring-having polymer and satisfies the following formulas (I) and (II): 0≦| Re (630)|≦10, and | Rth (630)|≦25  (I) | Re (400)− Re (700)|≦10, and | Rth (400)− Rth (700)|≦35  (II) wherein Re(λ) means retardation (nm) in plane at a wavelength λ nm; and Re(λ) means retardation (nm) along the thickness direction at a wavelength λ nm.

Optical system, in particular of a microlithographic projection exposure apparatus

The invention relates to an optical system, in particular of a microlithographic projection exposure apparatus, with a polarization-influencing optical arrangement (). In accordance with one aspect of the invention, this polarization-influencing optical arrangement () comprises: at least one polarization-influencing optical element (), which consists of an optically active material with an optical crystal axis and has a thickness profile that varies in the direction of this optical crystal axis, at least one lambda/2 plate (), at least one rotator (), which causes a rotation of the polarization direction of light incident on the rotator () about a constant polarization rotation angle, and an actuator apparatus, by means of which the lambda/2 plate () and the rotator () can be moved independently of one another between a position within the optical beam path and a position outside of the optical beam path. 121.-. (canceled)22. An optical system , comprising:a polarization-influencing optical arrangement, at least one polarization-influencing optical element which consists of an optically active material with an optical crystal axis and has a thickness profile that varies in the direction of this optical crystal axis;', 'at least one lambda/2 plate;', 'at least one rotator which causes a rotation of the polarization direction of light incident on the rotator about a constant polarization rotation angle; and', 'an actuator apparatus, by which the at least one lambda/2 plate and the at least one rotator can be moved independently of one another between a position within the optical beam path and a position outside of the optical beam path., 'wherein the polarization-influencing optical arrangement comprises23. The optical system according to claim 22 , wherein the actuator apparatus can furthermore be used to move the polarization-influencing optical element independently of the lambda/2 plate and the rotator between a position within the optical beam path and a ...

PHASE DIFFERENCE FILM LAYERED BODY AND METHOD FOR PRODUCING PHASE DIFFERENCE FILM LAYERED BODY

By provision of an A layer consisting of a resin having a positive intrinsic birefringence value; a B layer consisting of a resin containing a styrene polymer and having a negative intrinsic birefringence value; and a C layer consisting of a resin containing a polymer having an alicyclic structure, in this order; a phase difference film wherein, when the C layer is removed, retardation Re at an incident angle of 0° and retardation Rat an incident angle of 40° satisfy a relationship of 0.92≦R/Re≦1.08 is realized. 1. A phase difference film layered body comprising:an A layer consisting of a resin having a positive intrinsic birefringence value;a B layer consisting of a resin containing a styrene polymer and having a negative intrinsic birefringence value; anda C layer consisting of a resin containing a polymer having an alicyclic structure, in this order; wherein,{'sub': 40', '40, 'a layer portion that is a portion of the layered body other than the C layer has retardation Re at an incident angle of 0° and retardation Rat an incident angle of 40° satisfying a relationship of 0.92≦R/Re≦1.08.'}2. The phase difference film layered body according to claim 1 , wherein the resin containing the polymer having an alicyclic structure contains particles.3. The phase difference film layered body according to claim 1 , wherein the resin having a positive intrinsic birefringence value contains polycarbonate.4. A method for producing the phase difference film layered body according to claim 1 , the method comprising:a step of coextruding the resin having a positive intrinsic birefringence value, the resin containing the styrene polymer and having a negative intrinsic birefringence value, and the resin containing the polymer having an alicyclic structure to thereby obtain a pre-stretch film, whereinthe pre-stretch film includes a layer consisting of the resin having a positive intrinsic birefringence value, a layer consisting of the resin including the styrene polymer and having a ...

ANTIGLARE FILM, POLARIZER AND IMAGE DISPLAY DEVICE

Provided is an antiglare film having a hard coat property, capable of highly suppressing generation of a rainbow interference pattern and interference fringes in display images, preventing white muddiness and scintillation of a display screen, while giving high contrast in a bright room and a dark room. The antiglare film includes an antiglare layer having an uneven form on its surface and formed on one face of a transparent substrate having an in-plane birefringence and a retardation of 3000 nm or higher. The antiglare layer contains silica fine particles, organic fine particles, and a binder resin. The silica particles include particles forming agglomerates to be contained coarsely and densely in the antiglare layer. The agglomerates are distributed densely around the organic fine particles, and some agglomerates adhere to surfaces of the organic particles and/or some silica particles are impregnated in the inside of the organic particles. 1. An antiglare film comprising an antiglare layer having an uneven form on its surface and formed on one face of a transparent substrate having an in-plane birefringence , whereinsaid transparent substrate having an in-plane birefringence has a retardation of 3000 nm or higher,said antiglare layer contains silica fine particles, organic fine particles, and a binder resin,said silica fine particles include particles forming agglomerates to be contained coarsely and densely in said antiglare layer,the agglomerates of said silica fine particles are distributed densely around said organic fine particles, and some of the agglomerates of the silica fine particles densely distributed around said organic fine particles adhere to the surfaces of said organic fine particles and/or some of the silica fine particles constituting said agglomerates are impregnated in the inside of said organic fine particle.2. The antiglare film according to claim 1 , wherein the transparent substrate having an in-plane birefringence has a difference (nx−ny) ...

OPTICAL FILM, PROCESS FOR PRODUCING THE SAME, AND POLARIZING PLATE AND STEREOSCOPIC DISPLAY DEVICE AND SYSTEM HAVING THE SAME

An optical film comprising a transparent support, and thereon, an alignment layer comprising at least one photo-acid-generating agent, and an optically anisotropic layer formed of a composition comprising a liquid crystal having a polymerizable group as a main ingredient is disclosed. The optically anisotropic layer is an optically anisotropic patterned layer comprising a first retardation domain and a second retardation domain disposed alternately in a plane. 1. An optical film comprising:a transparent support, and thereon,an alignment layer comprising at least one photo-acid-generating agent, andan optically anisotropic layer formed of a composition comprising a liquid crystal having a polymerizable group as a main ingredient;wherein the optically anisotropic layer is an optically anisotropic patterned layer comprising a first retardation domain and a second retardation domain disposed alternately in a plane.2. The optical film of claim 1 , wherein the alignment layer is an alignment layer subjected to an alignment treatment in one direction.3. The optical film of claim 1 , wherein the at least one photo-acid-generating agent is decomposed at least partially claim 1 , and the degrees of decomposition thereof are different between the domains of the alignment layer corresponding to the first and second retardation domains respectively.4. The optical film of claim 3 , wherein an acidic compound or an ion thereof generated from the at least one photo-acid-generating agent exists in at least a part of the optically anisotropic layer claim 3 , and the ratios of the acidic compound or the ion contained in the first retardation domain and the second retardation domain respectively are different from each other.5. The optical film of claim 1 , wherein slow axes in plane of the first retardation domain and the second retardation domain are orthogonal to each other.6. The optical film of claim 1 , which has Re(550) falling within the range from 110 nm to 165 nm claim 1 , ...

Retardation plate and electronic apparatus

A retardation plate includes a first substrate, a retardation film disposed on the first substrate, a second substrate larger than the first substrate and covering the retardation film, a third substrate disposed such that the first substrate lies between the second substrate and the third substrate, and an inorganic sealing member air-tightly binding the second substrate and the third substrate together so as to air-tightly enclose the retardation film.

OPTICAL FILM, POLARIZING PLATE EQUIPPED WITH THE OPTICAL FILM, PROCESS FOR MANUFACTURE OF THE POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE

Provided is an optical film which does not undergo the deterioration in front contrast or contrast fluctuations even when used in a VA-type liquid crystal display device having high front contrast or as a polarizing plate protection film. The optical film comprises a cellulose ester resin having high stretching adequacy and having an average acetyl group substitution degree of 2.0-2.6, has a phase difference (Ro) of 30-100 nm, a phase difference (Rth) of 70-400 nm and a film thickness of 15-50 μm, and is characterized by fulfilling a requirement represented by formula (I). Formula (I): 0.01 Подробнее

METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM PRODUCED BY THE METHOD, AND POLARIZING PLATE AND IMAGE-FORMING DISPLAY DEVICE HAVING THE FILM

A method for producing an optical film including: laminating a hard coat layer on one side of an optical substrate in roll form, the hard coat layer having a transparent support and an optical anisotropic layer. The transparent support is laminated on the optical anisotropic layer, the one side is a transparent support-side of the optical substrate, the hard coat layer is obtained by coating, drying and curing a composition for forming a hard coat layer containing a curable monomer, a photo-polymerization initiator, and a solvent. The solvent is a mixture of at least one solvent selected from (S-1) and (S-2) and at least one solvent selected from (S-3), or a mixture of at least one solvent selected from (S-1) and at least one solvent selected from (S-2): (S-1) solvents dissolving the transparent support; (S-2) solvents swelling the transparent support; and (S-3) solvents neither dissolving nor swelling the transparent support. 1. A method for producing an optical film comprising:laminating a hard coat layer on one side of an optical substrate wound in a roll form, the optical substrate having a transparent support and an optical anisotropic layer,wherein the transparent support is laminated on the optical anisotropic layer,said one side is a transparent support-side of the optical substrate,the hard coat layer is formed by coating, drying and curing a composition for forming a hard coat layer containing a curable monomer, a photo-polymerization initiator, and a solvent, (S-1) solvents dissolving the transparent support;', '(S-2) solvents swelling the transparent support; and', '(S-3) solvents neither dissolving nor swelling the transparent support, and, 'the solvent is a mixture of at least one solvent selected from (S-1) and (S-2) and at least one solvent selected from (S-3), or a mixture of at least one solvent selected from (S-1) and at least one solvent selected from (S-2) (2a) compound having 3 or more functional groups per molecule, wherein an SP value of the ...

METHOD FOR POLARIZING TERAHERTZ ELECTROMAGNETIC WAVE USING POLARIZER, AND POLARIZER

The present invention is drawn to a method for polarizing an electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz using a polarizer, the method comprising a step (a) of preparing the polarizer; 1. A method for polarizing an electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz using a polarizer , the method comprising:a step (a) of preparing the polarizer; wherein a sapphire single crystalline layer; and', {'sub': x', '2, 'a CaCoOcrystalline layer;'}], 'the polarizer comprises{'sub': x', '2, 'the CaCoOcrystalline layer is stacked on the sapphire single crystalline layer;'}{'sub': x', '2, 'a surface of the CaCoOcrystalline layer has a (100) plane orientation; and'}{'sub': x', '2, 'the CaCoOcrystalline layer has a thickness of not less than 2 micrometers and not more than 20 micrometers, and'}a step (b) of irradiating the polarizer with the electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz to output an output wave having only a component parallel to a c-axis direction of the sapphire single crystalline layer.2. The method according to claim 1 , wherein{'sub': x', '2, 'the CaCoOcrystalline layer has a thickness of not less than 2 micrometers and not more than 9 micrometers.'}3. The method according to claim 1 , wherein{'sub': x', '2, 'the CaCoOcrystalline layer has a thickness of not less than 2 micrometers and not more than 4 micrometers.'}4. The method according to claim 1 , wherein{'sub': x', '2, 'in the step (b), the sapphire single crystalline layer is irradiated with the electromagnetic wave and the output wave is output from the CaCoOcrystalline layer.'}5. The method according to claim 1 , wherein{'sub': x', '2, 'in the step (b), the CaCoOcrystalline layer is irradiated with the electromagnetic wave and the output wave is output from the sapphire single crystalline layer.'}6. The method according to claim 1 , whereinin the step (b), the polarizer ...

MULTILAYERED OPTICAL FILM, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

An optical film includes: a polarization layer; a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about −27 degrees to about −17 degrees with respect to a transmission axis of the polarization layer; and a second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer. The polarization layer, the first phase retardation layer, and the second phase retardation layer are deposited in sequence, the first phase retardation layer is a half-wave plate, the second phase retardation layer is a quarter-wave plate, and out-of-plane retardation values of the first phase retardation layer and the second phase retardation layer for incident light having the standard wavelength have opposite signs. 1. An optical film comprising:a polarization layer;a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about −27 degrees to about −17 degrees with respect to a transmission axis of the polarization layer; anda second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer,wherein the polarization layer is disposed on the first phase retardation layer,the first phase retardation layer is disposed on the second phase retardation layer,an in-plane retardation value of the first phase retardation layer at a standard wavelength of about 550 nanometers is in a range from about 240 nanometers to about 300 nanometers,an in-plane retardation value of the second phase retardation layer at the standard wavelength is in a range from about 110 nanometers to about 160 nanometers, andan out-of-plane retardation value of the first phase retardation layer at the standard wavelength and an out-of-plane retardation value of ...

POLARIZING DIFFUSER FILM, METHOD FOR PRODUCING POLARIZING DIFFUSER FILM, AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING POLARIZING DIFFUSER FILM

Disclosed is a film having polarization selectivity and diffusibility, and a means for easily producing the film. The polarizing diffuser film is composed of substantially one kind of crystalline resin having an intrinsic birefringence of not less than 0.1, has a total light transmittance to visible light of 50-90%, a transmission haze to visible light of 15-90% and a transition polarization degree to visible light of 20-90%. 1. A polarizing diffuser film made of substantially one kind of crystalline resin having an intrinsic birefringence of 0.1 or more , wherein the film has:a total light transmittance to visible light of 50-90%,a transmission haze to visible light of 15-90%, anda transmission polarization degree to visible light degree of 20-90%.2. The polarizing diffuser film according to claim 1 , wherein:the film has a crystallinity of 8-40%,bright portions and dark portions are observed in a polarization microscopy image of the film observed under crossed Nicol polarizers, the polarization microscopy image taken by irradiating the film with polychromatic light,the bright portion and the dark portion are made up of substantially the same composition,the bright portions have major axes which are substantially parallel to one another, andthe bright portions have higher crystallinity and degree of orientation than the dark portions.3. The polarizing diffuser film according to claim 1 , wherein:the film has a crystallinity of 8-40%,bright portions and dark portions are observed in a polarization microscopy image of the film under crossed Nicol polarizers, the polarization microscopy image taken by irradiating the film with polychromatic light,the bright portion and the dark portion are made up of substantially the same composition,the bright portions have major axes which are substantially parallel to one another,{'sup': −1', '−1, 'where a Raman spectrum is measured at 0.5 μm intervals along a 5 μm-long line passing through the bright portion and dark portion in a ...

GRATING-BASED POLARIZERS AND OPTICAL ISOLATORS

Optical polarizers and optical isolators and systems that incorporate the optical polarizers and isolators are disclosed. In one aspect, an optical isolator includes a Faraday crystal with a first surface and a second surface opposite the first surface, a first one-dimensional sub-wavelength grating disposed on the first surface, and a second one-dimensional sub-wavelength grating disposed on the second surface. The isolator is to receive a first input beam of light on the first grating and output a polarized first output beam of light through the second grating approximately parallel to the first input beam. The isolator is to also receive a second input beam of light on the second grating and output a polarized second output beam of light through the first grating with the second output beam offset from the second input beam. 1. An optical isolator comprising:a Faraday crystal with a first surface and a second surface opposite the first surface;a first one-dimensional sub-wavelength grating disposed on the first surface; anda second one-dimensional sub-wavelength grating disposed on the second surface, wherein the isolator is to receive a first input beam of light on the first grating and output a polarized first output beam of light through the second grating approximately parallel to the first input beam, and wherein the isolator is to receive a second input beam of light on the second grating and output a polarized second output beam of light through the first grating via two internal reflections within the crystal with the second output approximately parallel to and offset from the second input beam.2. The isolator of claim 1 , wherein the first grating further comprises a high contrast periodic grating and the second grating further comprise a high contrast periodic grating claim 1 , and wherein lines of the first grating have a non-zero angle of orientation with respect to lines of the second grating.3. The isolator of claim 1 , wherein the first and second ...

PATTERNED RETARDER PLATE AND MANUFACTURING METHOD THEREOF

Provided is a method for manufacturing a patterned retarder plate including a liquid crystal sheet on which a retarding pattern with a λ/4 wavelength by forming a patterned align layer on a photo align layer by performing an align process once. The method for manufacturing a retarder plate according to the exemplary embodiments of the present invention can implement the photoalign through a single process during the photoalign process using the mask, thereby reducing the defect rate due to the existing method and reducing the process costs. 1. A method for manufacturing a patterned retarder plate , comprising:a) forming a photoalign layer by coating and drying photosensitive polymer compositions on a substrate;b) forming a patterned photoalign layer by disposing a polarizing plate having a predetermined transmitting axis and a patterned retarding mask on which optical axis of a λ/2 retarding pattern are alternately formed while having an angle difference of 45° from each other over the photoalign layer and by irradiating light from a light source to the patterned retarding mask, the optical axis of the patterned retarding mask being controlled to be 22.5° and −22.5° with respect to the transmitting axis of the polarizing plate;c) forming a liquid crystal layer by applying a photo crosslinkable liquid crystal to a top portion of the patterned photoalign layer; andd) forming a liquid crystal sheet formed with an optical axis pattern by photo-crosslinking the liquid crystal layer by irradiating light from a light source thereto.2. The method of claim 1 , wherein the patterned retarding mask includes:b1) forming a photoalign layer by coating and drying photosensitive polymer compositions on a substrate;b2) stacking a polarizing plate on a top portion of the photoalign layer and then, irradiating the light from the light source thereto to perform the primary surface align treatment thereon;b3) performing secondary align forming an alignment pattern by putting a photomask ...

DISPLAY APPARATUS CAPABLE OF CONTROLLING LIGHT TRANSMITTANCE

A display apparatus includes a transparent display device with a first region displaying images, a second region transmitting external light, the first and second regions being adjacent to each other and alternating in a first direction, a first polarizer on an optical path emitted by the transparent display device and configured to linearly polarize the external light, a first retarder between the first polarizer and the transparent display device to delay a phase of the external light, a second polarizer on the transparent display device to linearly polarize the external light, and a pattern retarder between the second polarizer and the transparent display device, the pattern retarder including a second retarder to delay a wavelength of the external light by a first phase and a third retarder to delay the wavelength by a second phase, the second and third retarders being alternately arranged in the first direction. 1. A display apparatus capable of controlling light transmittance , the display apparatus comprising:a transparent display device including first and second regions, the first region being configured to display images, the second region being configured to transmit external light therethrough, and the first and second regions being adjacent to each other and being alternately arranged in a first direction;a first polarizer on the transparent display device, the first polarizer being in an optical path of light emitted by the transparent display device and being configured to linearly polarize the external light;a first retarder between the first polarizer and the transparent display device, the first retarder being configured to delay a phase of the external light;a second polarizer on the transparent display device, the second polarizer being on an opposite surface of the transparent display device relative to the first polarizer and being configured to linearly polarize the external light; anda pattern retarder between the second polarizer and the ...

CELLULOSE ESTER FILMS, POLARIZING PLATES AND LIQUID CRYSTAL DISPLAYS EQUIPPED THEREWITH

[Object] To provide cellulose ester films having high transmittance, and polarizing plates with less deterioration at the time when durability is tested and liquid crystal displays having high contrast, both of which comprise such cellulose ester films. 1. A cellulose ester film comprising a cellulose ester(s) having substitution(s) by an acyl group(s) having 3 to 4 carbon atoms , or an acyl group(s) having 2 carbon atoms and an acyl group(s) having 3 to 4 carbon atoms , said cellulose ester having a total degree of substitution with said acyl group(s) of not less than 1.0 and less than 2.0 and sufficing a weight average molecular weight of not more than 150000; anda sugar ester compound(s) having not less than one and not more than 12 sugar unit structures, said sugar unit structure being at least one of a pyranose structure or furanose structure, wherein an average percentage of substitution in said sugar unit structure is 35% to 75%;further said cellulose ester film having a film thickness of 10 to 35 μm.3. The cellulose ester film according to claim 1 , wherein said sugar ester compound is a mixture with different degrees of substitution.4. The cellulose ester film according to claim 1 , wherein a degree of substitution with an acyl group(s) having 3 or more carbon atoms of said cellulose ester is not less than 0.9 and less than 2.0.5. The cellulose ester film according to claim 1 , wherein the number of total carbon atoms of said acyl group(s) of said cellulose ester is more than 4.4.6. The cellulose ester film according to claim 1 , wherein a value of retardation in a plane Ro(590) of said cellulose ester film is in a range of from 40 to 70 nm; a value of retardation in a thickness direction Rt(590) is in a range from 100 to 200 nm; and a film contrast is 7000 to 10000.7. A polarizing plate comprising said cellulose ester film according to .8. A liquid crystal display comprising said cellulose ester film according to . 1. Technical FieldThe present invention ...

Optical Film Stack

Optical film stacks are disclosed. The optical film stacks can include a first reflective polarizer, a second reflective polarizer, and a retardance layer disposed between the first reflective polarizer and the second reflective polarizer. 1. An optical film stack , comprising:a first reflective polarizer;a second reflective polarizer; and{'sub': x', 'y', 'z, 'claim-text': [{'br': None, 'i': n', '−n', 'n', '+n', 'n, 'sub': x', 'y', 'x', 'y', 'z, '0.04<|()/(0.5()−)|<1.00, and'}, {'br': None, 'i': d×', 'n', '−n, 'sub': x', 'y, '0.25 microns<|()|<75 microns.'}], 'a retardance layer disposed between the first reflective polarizer and the second reflective polarizer, the retardance layer having a thickness, d, and having in-plane index of refraction values nand nand an index of refraction nin a direction orthogonal to the plane of the film, wherein'}2. The optical film stack of claim 1 , wherein 0.12<|(n−n)/(0.5(n+n)−n)|<0.50.3. (canceled)4. The optical film stack of claim 1 , wherein 0.75 microns Подробнее

PHOTO-CURABLE COMPOSITION, OPTICAL ANISTROPIC FILM AND ITS PREPARATION METHOD

The present invention relates to a photo-curable composition that can provide a film, etc. showing excellent optical anisotropy even without need for separately forming a liquid crystal layer and an alignment layer, an optical anisotropic film using the same, and its preparation method. The photo-curable composition comprises a photo-alignable polymer, a noncrosslinkable liquid crystal compound and a photo-curable binder. 1. A photo-curable composition which comprises a photo-alignable polymer , a noncrosslinkable liquid crystal compound and a photo-curable binder.2. The photo-curable composition according to claim 1 , wherein the photo-alignable polymer is a polymer containing a photo-reactive functional group of cinnamate functional group claim 1 , chalcone functional group claim 1 , azo functional group or coumarin functional group.4. The photo-curable composition according to claim 1 , wherein the photo-alignable polymer comprises a cyclic olefin repeating unit having one or more photo-reactive functional groups.6. The photo-curable composition according to claim 1 , wherein the noncrosslinkable liquid crystal compound contains a mesogene group and does not contain a curable or crosslinkable group.7. The photo-curable composition according to claim 1 , wherein the noncrosslinkable liquid crystal compound has nematic phase claim 1 , cholesteric phase or ferroelectric phase.9. The photo-curable composition according to claim 1 , wherein the photo-curable binder comprises a (met)acrylate compound having at least di-functional acrylate groups.10. The photo-curable composition according to claim 9 , wherein the (met)acrylate compound comprises one or more selected from the group consisting of pentaerythritol triacrylate claim 9 , tris(2-acrylolyloxyethyl)isocynurate claim 9 , trimethylolpropane triacrylate and dipentaerythritol hexaacrylate.11. The photo-curable composition according to claim 1 , which further comprises a photoinitiator initiating UV curing.12. The ...

MANUFACTURING METHOD OF LONG-SIZED CIRCULARLY POLARIZING PLATE

A long-sized circularly polarizing plate consisting of long-sized retardation film having slow axis in one of in-plane directions and long-sized polarizing film having absorption axis in one direction within range of 25° to 65° with reference to the slow axis is manufactured through steps of: step A for applying rubbing treatment to the retardation film being conveyed, in such a manner that bottom surface of the retardation film is supported with first guide roll and second guide rolled arranged further downstream of the first guide roll along conveying direction of the retardation film while top surface thereof is pushed with rubbing roll between the first guide roll and the second guide roll; and step B for forming the polarizing film by applying liquid crystalline solution containing dichroic material to the top surface of the retardation film subjected to the rubbing treatment at step A and aligning the dichroic material there. 1. A manufacturing method of a long-sized circularly polarizing plate that consists of:a long-sized retardation film having slow axis in one of in-plane directions; anda long-sized polarizing film having absorption axis in one direction within a range of 25° to 65° with reference to a direction corresponding to the slow axis of the long-sized retardation film,the manufacturing method comprising steps of:step A for applying rubbing treatment to the retardation film which is being conveyed, in such a manner that a bottom surface of the long-sized retardation film is supported with a first guide roll and a second guide roll arranged further downstream of the first guide roll along a conveying direction of the long-sized retardation film while a top surface thereof is pushed with a rubbing roll between the first guide roll and the second guide roll; anda step B for forming the long-sized polarizing film by applying liquid crystalline solution containing dichroic material to the top surface of the long-sized retardation film subjected to the ...

METHOD FOR PRODUCING OPTICAL LAMINATE

A method for producing an optical laminate including a film substrate and a polarizing layer which comprises the steps of: (A) laminating a re-releasable film on one main surface of the film substrate to obtain a laminate film substrate; B) performing a rubbing treatment on the other main surface of the film substrate of the laminate film substrate; C) coating the rubbing-treated surface of the film substrate with a solution containing a lyotropic liquid crystal compound and a solvent; and D) detaching the re-releasable film from the laminate film substrate. 1. A method for producing an optical laminate , comprising the steps of:a preliminary step of preparing a film substrate:(A) laminating a re-releasable film on one main surface of the film substrate to obtain a laminate film substrate;(B) conducting a rubbing treatment on the other main surface of the film substrate of the laminate film substrate;(C) applying a solution containing a lyotropic liquid crystal compound and a solvent onto the rubbing-treated surface of the film substrate; and(D) releasing the re-releasable film from the laminate film substrate.2. The method according to claim 1 , wherein a material for forming film substrate is one of a cycloolefin-based polymer film and a cellulose-based polymer film.3. The method according to claim 1 , wherein a material for forming the re-releasable film is one of an ester-based polymer film and an acrylic-based polymer film.4. The method according to claim 1 , wherein the film substrate has a thickness of 20 μm to 50 μm claim 1 , the re-releasable film has a thickness of 30 μm to 150 μm claim 1 , and the laminate film substrate has a thickness of 100 μm to 200 μm.5. The method according to claim 1 , wherein the rubbing treatment is a rubbing treatment of a tension web method.6. The method according to claim 1 , wherein the liquid crystal compound is any one of an azo compound claim 1 , an anthraquinone compound claim 1 , a perylene compound claim 1 , a ...

POLARIZING PLATE, TOUCH LIQUID CRYSTAL PANEL AND TOUCH DISPLAY

A polarizing plate includes a first substrate layer, a polarizing layer, a second substrate layer, a pressure sensitive adhesive layer and a light-shielding pattern. The polarizing layer is disposed on the first substrate layer. The second substrate layer is disposed on the polarizing layer, whereby the polarizing layer is located between the first substrate layer and the second substrate layer. The pressure sensitive adhesive layer is formed on a bottom surface of the first substrate layer, whereby the first substrate layer located between the polarizing layer and the pressure sensitive adhesives layer. The light-shielding pattern is formed between the second substrate layer and the pressure sensitive adhesives layer. 1. A polarizing plate comprising:a first substrate layer;a polarizing layer disposed on the first substrate layer;a second substrate layer disposed on the polarizing layer, whereby the polarizing layer is located between the first substrate layer and the second substrate layer;a pressure sensitive adhesive layer formed on a bottom surface of the first substrate layer, whereby the first substrate layer is located between the polarizing layer and the pressure sensitive adhesives layer; anda light-shielding pattern formed between the second substrate layer and the pressure sensitive adhesives layer.2. The polarizing plate as claimed in claim 1 , wherein the sum of the thicknesses of the first substrate layer and the second substrate layer is between 160 μm and 780 μm.3. The polarizing plate as claimed in claim 1 , further comprising a surface treatment layer formed on the second substrate layer claim 1 , wherein the surface treatment layer comprises at least one of a hard resin coating layer claim 1 , an anti-glare coating layer claim 1 , an anti-reflection coating layer claim 1 , an anti-static coating layer and a wide view coating layer.4. The polarizing plate as claimed in claim 1 , wherein the light-shielding pattern is disposed on the bottom surface ...

Color Filter Substrate, Array Substrate, Liquid Crystal Display Apparatus, And Manufacturing Methods Of The Color Filter Substrate And the Array Substrate

Embodiments of the present invention disclose a color filter substrate, an array substrate, a liquid crystal display apparatus, a manufacturing method of the color filter substrate and a manufacturing method of the array substrate. The color filter substrate comprises a first substrate, a color filter layer, a planarization layer and a first alignment layer. The color filter substrate further comprises a first polarizing film provided between the first base substrate and the planarization layer. 1. A color filter substrate , comprising a first base substrate , a color filter layer , a planarization layer and a first alignment layer ,wherein the color filter substrate further comprises a first polarizing film provided between the first base substrate and the planarization layer.2. The color filter substrate according to claim 1 , wherein the first polarizing film is provided between the first base substrate and the color filter layer.3. The color filter substrate according to claim 1 , wherein the first polarizing film is provided between the color filter layer and the planarization layer.4. The color filter substrate according to Claim I claim 1 , wherein the first polarizing film is made by azopolymer liquid crystal material or lyotropic liquid crystal material.5. The color filter substrate according to claim 4 , wherein the first polarizing film is provided between the first base substrate and the color filter layer.6. The color filter substrate according to claim 4 , wherein the first polarizing film is provided between the color filter layer and the planarization layer.7. The color filter substrate according to claim 1 , wherein a thickness of the first polarizing film is less than 10 μm.8. The color filter substrate according to claim 7 , wherein the first polarizing film is provided between the first base substrate and the color filter layer.9. The color filter substrate according to claim 7 , wherein the first polarizing film is provided between the color ...

PHASE MASK AND HOLOGRAPHIC RECORDING APPARATUS EMPLOYING THE SAME

A phase mask includes a phase modulation layer that modulates a phase of different portions of incident light, differently, such that a different optical phase delay, in a range between 0 and 2π is imparted to different portions of the incident light. A hologram recording apparatus includes a light source; a signal beam optical system that divides a beam emitted from the light source into a reference beam and a signal beam, modulates the signal beam according to hologram pixel information, and radiates the signal beam onto a hologram recording medium. The signal beam optical system includes the phase mask. The hologram recording apparatus also includes a reference beam optical system that radiates the reference beam onto the hologram recording medium. 1. A phase mask comprising:a phase modulation layer that modulates a phase of incident light, such that the phase modulation layer imparts an optical phase delay to the incident light based on a location of the phase modulation layer on which the incident light is incident, wherein the optical phase delay is in a range between 0 and 2π.2. The phase mask of claim 1 , wherein the phase modulation layer comprises a transparent material with a non-uniform thickness having a value between 0 and nλ claim 1 , wherein n is a refractive index of the transparent material and λ is denotes a wavelength of the incident light.3. The phase mask of claim 2 , wherein the non-uniform thickness of the transparent material varies among N different thicknesses claim 2 , wherein N is a natural number.4. The phase mask of claim 1 , wherein a cross-section of light transmitted by the phase mask has a quadrilateral shape.5. The phase mask of claim 2 , wherein the phase modulation layer comprises a photoresist.6. The phase mask of claim 2 , wherein a thickness of the phase modulation layer is non-uniform claim 2 , and the phase modulation layer is formed using a photolithography process in which a diffusing angle is determined according to an ...

OPTICAL SHEET AND DISPLAY DEVICE

An optical sheet () is used in a display device for switchably displaying a two-dimensional image and a naked-eye visible three-dimensional image. The optical sheet () includes: a first layer () including a thermoplastic resin; and a second layer () laminated to the first layer. The first layer is an optically anisotropic An optical interface () for changing the traveling direction of light of one polarization component is formed between the first layer () and the second layer (). 1. An optical sheet comprising:a first layer including a thermoplastic resin, the first layer being optically anisotropic; anda second layer which is laminated to the first layer and which forms, between it and the first layer, an optical interface for changing a traveling direction of light of one polarization component,wherein the optical sheet controls a traveling direction of light depending on a polarization state of the light and is used in a display device for switchably displaying a two-dimensional image and a naked-eye visible three-dimensional image.2. The optical sheet according to claim 1 ,wherein a material of the first layer has a glass transition temperature of not less than 100° C.3. The optical sheet according to claim 1 ,wherein the thermoplastic resin is a polyethylene naphthalate resin.4. The optical sheet according to claim 1 ,wherein an in-plane birefringent index Δn of the first layer is not less than 0.13.5. The optical sheet according to claim 1 ,wherein light of the other polarization component, traveling in a normal direction of the optical sheet before entering the optical sheet, travels in a direction at an angle of not more than 2 degrees with respect to the normal direction of the optical sheet after passing through the optical sheet.6. The optical sheet according to claim 1 ,wherein a dimensional stability of the optical sheet, measured according to JIS C2151 using a heating conditions of 150° C., 30 minutes, is not more than 2%.7. The optical sheet ...

POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE

The purpose of the present invention is to provide a polarizing plate protective film and liquid crystal display device comprising same whereby the generation of egg-shaped blur in a liquid crystal display device (especially an IPS liquid crystal display device) can still be limited even under high-temperature/high-humidity conditions. For this polarizing plate protective film, if nx is the refractive index in the X-axis direction at which the birefringence in the film surface reaches a maximum and ny is the refractive index in the Y-axis direction orthogonal to the X-axis direction in the film surface, then the birefringence under stress (nx−ny) of the film as measured at a wavelength of 589 nm when any tensile stress 5-35 MPa is applied in the X-axis direction or Y-axis direction of the film under 50 DEG C, 80% RH conditions is 0. 1. A polarizer protective film having a birefringence (nx−ny) under stress of 0 , where nx represents a refractive index in X-axis direction in which an in-plane birefringence of the film is maximized , and ny represents a refractive index in Y-axis direction orthogonally intersecting the X-axis direction in the plane of the film ,wherein the birefringence (nx−ny) under stress is measured at a wavelength of 589 nm under any tensile stress of 5 MPa to 35 MPa applied in the X-axis direction or the Y-axis direction of the film under conditions of 50° C. and 80% RH.3. The polarizer protective film according to claim 1 , wherein the film has a photoelastic coefficient of −3.0×10to 3.0×10m/N under conditions of 50° C. and 80% RH.4. The polarizer protective film according to claim 1 , wherein the film has a birefringence (nx−ny) under stress of 0 claim 1 , the birefringence (nx−ny) under stress being measured at a wavelength of 589 nm under any tensile stress of 5 MPa to 35 MPa applied in the X-axis direction or the Y-axis direction of the film under conditions of 23° C. and 55% RH.5. The polarizer protective film according to claim 1 , wherein ...

RESIN COMPOSITION FOR OPTICAL FILM AND COMPENSATION FILM USING THE SAME

Provided are a composition for an optical film comprising 40 wt % to 94 wt % of an acrylic resin; 5 wt % to 40 wt % of a styrene-acrylonitrile copolymer having a weight-average molecular weight less than 1,000,000; and 1 wt % to 20 wt % of an ultra-high molecular weight styrene-acrylonitrile copolymer having a weight-average molecular weight ranging from 1,000,000 to 9,000,000, and an optical film using the composition. 1. A composition for an optical film comprising:40 wt % to 94 wt % of an acrylic resin;5 wt % to 40 wt % of a styrene-acrylonitrile copolymer having a weight-average molecular weight less than 1,000,000; and1 wt % to 20 wt % of an ultra-high molecular weight styrene-acrylonitrile copolymer having a weight-average molecular weight ranging from 1,000,000 to 9,000,000.2. The composition for an optical film of claim 1 , wherein a content of acrylonitrile in the styrene-acrylonitrile copolymer having a weight-average molecular weight less than 1 claim 1 ,000 claim 1 ,000 is in a range of 15 wt % to 26 wt %.3. The composition for an optical film of claim 1 , wherein a content of acrylonitrile in the ultra-high molecular weight styrene-acrylonitrile copolymer is in a range of 15 wt % to 26 wt %.4. The composition for an optical film of claim 1 , wherein the acrylic resin is a copolymer of a (meth)acryl-based monomer and a cyclic based monomer.5. The composition for an optical film of claim 4 , wherein the cyclic based monomer is maleic anhydride claim 4 , maleimide claim 4 , glutaric acid anhydride claim 4 , glutarimide claim 4 , lactam claim 4 , or a derivative thereof.6. The composition for an optical film of claim 1 , wherein the styrene-acrylonitrile copolymer having a weight-average molecular weight less than 1 claim 1 ,000 claim 1 ,000 comprises an alpha-methyl styrene unit.7. The composition for an optical film of claim 1 , wherein the ultra-high molecular weight styrene-acrylonitrile copolymer having a weight-average molecular weight ranging from 1 ...

Photochromic Article Having At Least Partially Crossed Polarized Photochromic-Dichroic And Fixed-Polarized Layers

Photochromic-dichroic articles are provided, which include a substrate having a first surface, a fixed-polarized layer over the first surface of the substrate, and a photochromic-dichroic layer over the first surface of the substrate. The fixed-polarized layer optionally includes a fixed-colorant and has a first polarization axis. The photochromic-dichroic layer includes a photochromic-dichroic compound that is laterally aligned within the photochromic-dichroic layer, and which defines a second polarization axis. The first polarization axis and the second polarization axis are oriented relative to each other at an angle of greater than 0° and less than or equal to 90°. The photochromic-dichroic articles can provide, for example, increased optical density and/or increased kinetics when exposed to a given amount of actinic radiation. 1. A photochromic-dichroic article comprising:(a) a substrate having a first surface and a second surface;(b) a fixed-polarized layer positioned over said first surface of said substrate, said fixed-polarized layer having a first polarization axis;(c) a photochromic-dichroic layer positioned over said first surface of said substrate, said photochromic-dichroic layer comprising a photochromic-dichroic compound, said photochromic-dichroic compound being laterally aligned within said photochromic-dichroic layer and defining a second polarization axis of said photochromic-dichroic layer;wherein said first polarization axis and said second polarization axis are oriented relative to each other at an angle of greater than 0° and less than or equal to 90°.2. The photochromic-dichroic article of claim 1 , wherein said fixed-polarized layer is interposed between said first surface of said substrate and said photochromic-dichroic layer.3. The photochromic-dichroic article of claim 1 , wherein said fixed-polarized layer comprises a polymer claim 1 , said polymer being laterally aligned along a first lateral direction within said fixed-polarized layer ...

PATTERNED RETARDATION FILM FOR THREE-DIMENSIONAL DISPLAY AND METHOD FOR PRODUCING MOLD FOR PATTERNED ALIGNMENT FILM FOR THREE-DIMENSIONAL DISPLAY

A method for producing a mold for a patterned alignment film for three-dimensional display includes: forming a first layer composed of a metal material or an inorganic material; forming a fine linear three-dimensional structure in a surface of the first layer in an approximately constant direction; forming a second layer, composed of a metal material or an inorganic material, on the surface of the first layer after the first three-dimensional structure forming step; a second three-dimensional structure forming step of forming a fine linear three-dimensional structure in a surface of the second layer in an approximately constant direction which differs by 90° from that in the first three-dimensional structure forming step; a resist forming step of forming a resist in a parallel stripe pattern on the surface of the second layer after the second three-dimensional structure forming step. 1. A method for producing a mold for a patterned alignment film for three-dimensional display , comprising:a first layer forming step of forming a first layer composed of a metal material or an inorganic material;a first three-dimensional structure forming step of forming a fine linear three-dimensional structure in a surface of the first layer in an approximately constant direction;a second layer forming step of forming a second layer, composed of a metal material or an inorganic material, on the surface of the first layer after the first three-dimensional structure forming step;a second three-dimensional structure forming step of forming a fine linear three-dimensional structure in a surface of the second layer in an approximately constant direction which is different from or the same as that in the first three-dimensional structure forming step;a resist forming step of forming a resist in a parallel stripe pattern on the surface of the second layer after the second three-dimensional structure forming step;a second layer removing step of removing a part of the second layer that ...

METASURFACE NANOANTENNAS FOR LIGHT PROCESSING

A birefringent reflectarray having a planar metasurface containing metallic patches of subwavelength dimension is provided. The reflectarray is capable of simultaneously reflecting, concentrating, and splitting incident infrared light into two orthogonal linearly polarized reflections, and transforms the phase front of an incoming polarized light to a desired phase for the two reflections. Also provided is an optical modulator having a metasurface containing layers of nanoantennas of subwavelength dimension, and capable of modulating the phase and amplitude of light scattered from the modulator. The optical modulator has ability to perform computation through processing of light. 1. A birefringent infrared reflectarray comprising a planar metasurface disposed on a surface of a substrate , the metasurface comprising a metal layer , a dielectric layer deposited on the metal layer , and a nanoantenna layer deposited on the dielectric layer; wherein the nanoantenna layer comprises a plurality of rectangular metal patches arranged in a two-dimensional rectilinear array , each row of the array comprising a series of said metal patches whose length and/or width increases from one to the next across the row; wherein the patches reflect incident infrared light of wavelength λ and split the incident light into two orthogonal linearly polarized reflections , concentrate the reflected light , and transform the phase front of the incoming polarized light to a desired phase for the two reflections; and wherein the dimensions of the metallic patches are less than λ.2. The reflectarray according to claim 1 , wherein the dielectric layer comprises a material selected from the group consisting of: metal oxides claim 1 , plastics claim 1 , mica claim 1 , ceramic materials claim 1 , SiO claim 1 , and glass.3. The reflectarray according to claim 2 , wherein the metal layer and the metal patches each comprise gold.4. The reflectarray according to claim 1 , wherein the wavelength of the ...

POLARIZING ADHESIVE ELEMENT, METHOD OF MANUFACTURING THE SAME AND DISPLAY APPARATUS HAVING THE SAME

A polarizing adhesive element includes a pressure sensitive adhesive (“PSA”), a compensating film, a polarizing film, a supporting film and an optical clear adhesive (“OCA”). The PSA has adhesion. The compensating film is disposed on the PSA. The compensating film is configured to compensate a phase difference of a light. The polarizing film is disposed on the compensating film. The polarizing film is configured to polarize the light. The supporting film is disposed on the polarizing film. The supporting film supports the polarizing film. The OCA is disposed on the supporting film. The OCA has adhesion. 1. A polarizing adhesive element comprising:a pressure sensitive adhesive (“PSA”) having adhesion;a compensating film disposed on the PSA and configured to compensate a phase difference of a light;a polarizing film disposed on the compensating film and configured to polarize the light;a supporting film disposed on the polarizing film and supporting the polarizing film; andan optical clear adhesive (“OCA”) disposed on the supporting film and having adhesion.2. The polarizing adhesive element of claim 1 , wherein the OCA has a thickness greater than a thickness of the PSA.3. The polarizing adhesive element of claim 2 , wherein the thickness of the OCA is no less than about 50 μm.4. The polarizing adhesive element of claim 1 , wherein a storage modulus of the OCA is in a range of about 1.0*10̂3 Pa to about 10*10̂5 Pa.5. The polarizing adhesive element of claim 1 , wherein a gel fraction of the OCA is no less than about 40%.6. The polarizing adhesive element of claim 5 , wherein the OCA does not include a hydroxyl group.7. A method of manufacturing a polarizing adhesive element claim 5 , the method comprising:coating an optical clear adhesive (“OCA”) on a first release film;drying the OCA;forming a polarizing unit, the polarizing unit including a second release film, a pressure sensitive adhesive (“PSA”) on the second release film, a compensating film on the PSA, a ...

Fabrication of high efficiency, high quality, large area diffractive waveplates and arrays

An apparatus and method is presented for fabricating high quality one- or two dimensional diffractive waveplates and their arrays that exhibit high diffraction efficiency over large area and being capable of inexpensive large volume production. Employed is a generally non-holographic and aperiodic polarization converter for converting the polarization of a coherent input light beam that may be of a visible wavelength into a pattern of continuous spatial modulation at the output of said polarization converter. A photoresponsive material characterized by an anisotropy axis that may be formed or aligned according to polarization of said light beam is exposed to said polarization modulation pattern and may be coated subsequently with an anisotropic material overlayer.

POLARIZATION CONVERSION MECHANISM AND METHOD THEREOF

A polarization conversion mechanism for a touch screen display includes a crystal layer and a polarizing layer. The crystal layer utilizes a birefringent crystal glass for changing phase delay effect in accordance with crystal axial angle thereof. The polarizing layer includes at least one linear polarizer such that an incident light after hitting a display module of the display device reflects and emits out through the linear polarizer and the crystal layer sequentially as reflection light in form of circularly polarized light or elliptically polarized light. The assembly of the crystal layer and the layer are installed to the display device and/or touch screen display in such a manner that the assembly is located on the display module thereof. 1. A polarization conversion mechanism for a display device and/or touch screen display , comprising:a crystal layer which utilizes a birefringent crystal glass for changing phase delay effect in accordance with crystal axial angle thereof; anda polarizing layer including at least one linear polarizer such that an incident light after hitting a display module of the display device reflects and emits out through said linear polarizer and said crystal layer sequentially reflection light in form of circularly polarized light or elliptically polarized light;wherein an assembly of said crystal layer and said polarizing layer are installed to the display device and/or touch screen display in such a manner that the assembly is located on the display module thereof.2. The polarization conversion mechanism according to claim 1 , said crystal layer possesses wave phase delay characteristics for causing wave phase delay during reflection of said reflection light from said polarizing layer.3. The polarization conversion mechanism according to claim 1 , wherein said polarizing layer further includes a quarter-wave plate claim 1 , said linear polarizer being sandwiched between said crystal layer and said quarter-wave plate such that said ...

COLORING COMPOSITION, DICHROIC DYE COMPOUND, LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, AND IMAGE DISPLAY DEVICE

An object of the invention is to provide a coloring composition which can form a light absorption anisotropic film having an excellent dichroic ratio, a dichroic dye compound, a light absorption anisotropic film, a laminate, and an image display device. A coloring composition according to the invention contains a dichroic dye compound which has a Hansen solubility parameter of 17.5 or greater and has a structure represented by Formula (1), and a liquid crystalline compound. 1. A coloring composition comprising:a dichroic dye compound which has a Hansen solubility parameter of 17.5 or greater and has a structure represented by Formula (1); and {'br': None, 'sup': 1', '1', '2', '3', '2, 'L-A-N═N-A-N═N-A-L\u2003\u2003(1)'}, 'a liquid crystalline compound,'}{'sup': 1', '2', '3', '1', '2', '3, 'in Formula (1), A, A, and Aeach independently represent a divalent aromatic group which may have a substituent, and any one of A, A, and Arepresents a divalent thienothiazole group which may have a substituent, and'}{'sup': 1', '2, 'in Formula (1), Land Leach independently represent a substituent.'}3. The coloring composition according to claim 2 ,{'sup': '4', 'wherein in Formula (2), Ais a phenylene group.'}4. The coloring composition according to claim 2 ,{'sup': 3', '4, 'wherein in Formula (2), at least one of Lor Lincludes a crosslinkable group.'}5. The coloring composition according to claim 2 ,{'sup': 3', '4, 'wherein in Formula (2), both Land Linclude a crosslinkable group.'}6. The coloring composition according to claim 4 ,wherein the crosslinkable group is an acryloyl group or a methacryloyl group.7. The coloring composition according to claim 1 ,wherein an absolute value of a difference between a Hansen solubility parameter of the dichroic dye compound and a Hansen solubility parameter of the liquid crystalline compound is greater than 0 and not greater than 4.5.8. A dichroic dye compound which has a Hansen solubility parameter of 17.5 or greater and has a structure ...

POLARIZING PLATE WITH PRESSURE SENSITIVE ADHESIVE, FRONT PROTECTIVE PLATE AND IMAGE DISPLAY DEVICE

Disclosed is a polarizing plate with a pressure sensitive adhesive including an infrared reflecting layer and a pressure sensitive adhesive layer in this over on one surface of a polarizer. The pressure sensitive adhesive layer is an outermost surface layer of the polarizing plate with a pressure sensitive adhesive. The polarizing plate with a pressure sensitive adhesive may further include a quarter wave plate. 1. A polarizing plate with a pressure sensitive adhesive comprising: a polarizer; and an infrared reflecting layer and a pressure sensitive adhesive layer as an outermost surface layer arranged in this order on a first main surface of the polarizer.2. The polarizing plate with a pressure sensitive adhesive according to claim 1 , further comprising a first quarter wave plate between the polarizer and the pressure sensitive adhesive layer claim 1 , andthe polarizer and the first quarter wave plate are arranged in such a manner that incident light from a second main surface side to a first main surface side of the polarizer is emitted from the first main surface as circularly-polarized light.3. The polarizing plate with a pressure sensitive adhesive according to claim 2 , wherein the infrared reflecting layer is provided in contact with the first quarter wave plate.4. The polarizing plate with a pressure sensitive adhesive according to claim 1 , further comprising a second quarter wave plate on a second main surface of the polarizer claim 1 , andthe polarizer and the second quarter wave plate are arranged in such a manner that incident light from a first main surface side to a second main surface side of the polarizer is emitted from the second main surface as circularly-polarized light.5. The polarizing plate with a pressure sensitive adhesive according to claim 1 , wherein an average reflectance of the infrared reflecting layer to near infrared ray with a wavelength of 850 to 2500 nm is 30% or more.6. The polarizing plate with a pressure sensitive adhesive ...

DISPLAY DEVICE AND DISPLAY SYSTEM

A display device and display system. Each pixel cell group of the display comprises at least one first line of pixel cells for displaying information to be viewed by a dedicated spectacle wearer, a second line of pixel cells for displaying compensation information, and a third line of pixel cells for displaying naked-eye pattern information. The light adjustment mechanism allows for a difference between the phase retardations experienced by the light emitted by the first line of pixel cells and by the third line of pixel cells upon passing through the light adjustment mechanism. With the display device, the viewer wearing dedicated spectacles and the naked-eye viewer are allowed to see different information, thereby improving the confidentiality of the display device in peep preventive displaying. 1. A display device characterized in that it comprising: a display panel and a light adjustment mechanism , the display panel comprising a plurality of pixel cells distributed in an array , the plurality of pixel cells comprising a plurality of pixel cell groups arranged in a given direction , wherein:each of the pixel cell groups comprises multiple lines of pixel cells arranged in the direction in which the plurality of pixel cell groups are arranged, wherein the multiple lines of pixel cells comprises:at least one first line of pixel cells for displaying information to be viewed by a dedicated spectacle wearer;a second line of pixel cells for displaying compensation information, wherein along a direction perpendicular to the direction in which the plurality of pixel cell groups are arranged, sub-pixel cells in each said first line of pixel cells and corresponding ones in the second line of pixel cells are of same colors, and a sum of brightness of display information of sub-pixel cells in each said first line of pixel cells and corresponding ones in the second line of pixel cells is a fixed value when in operation; anda third line of pixel cells for displaying pattern ...

LIGHT CONTROLLING SHEET AND LIGHT CONTROLLING PLATE

A main object is to provide a light controlling sheet and a light controlling plate each excellent in weatherability and endurance. An embodiment of the invention is a light controlling sheet including the following: a light controlling layer in which two or more regions for changing a polarization state or phase state of transmitted light are each formed into a constant shape at a constant interval; an adhesive layer formed on the light controlling layer; a migration preventing layer formed on the adhesive layer; and a weatherable adhesive layer including a weatherable agent formed on the migration preventing layer. 1. A light controlling sheet , comprising a light controlling layer in which two or more regions for changing a polarization state or phase state of transmitted light are each formed into a constant shape at a constant interval ,an adhesive layer formed on the light controlling layer,a migration preventing layer formed on the adhesive layer, anda weatherable adhesive layer including a weatherable agent formed on the migration preventing layer.2. The light controlling sheet according to claim 1 , wherein the migration preventing layer comprises a transparent resin.3. The light controlling sheet according to claim 1 , wherein the migration preventing layer comprises a transparent inorganic compound.4. The light controlling sheet according to claim 2 , wherein the transparent resin is a polyester resin.5. The light controlling sheet according to claim 4 , wherein the polyester resin is polyethylene terephthalate.6. The light controlling sheet according to claim 2 , wherein the weatherable agent is an ultraviolet absorbent.7. The light controlling sheet according to claim 3 , wherein the weatherable agent is an ultraviolet absorbent.8. The light controlling sheet according to claim 1 , wherein the light controlling layer comprises a pattern retardation layer claim 1 , and a polarizing plate arranged nearer to the adhesive layer than to the pattern ...

LIGHT DIFFUSION MEMBER, BASE MATERIAL FOR LIGHT DIFFUSION MEMBER PRODUCTION, DISPLAY DEVICE USING SAME AND METHOD FOR PRODUCING LIGHT DIFFUSION MEMBER

According to an aspect of the present invention, there is provided a light diffusion member which includes a light diffusion film, a polarizing film, and a retardation film. The light diffusion film includes a first substrate, a light diffusion portion, and a light shielding layer. The polarizing film includes a second substrate and a polarization layer. The retardation film includes a third substrate and a retardation layer. The retardation layer is formed from a birefringence body which has optically-negative uniaxiality. An alignment direction of the birefringence body is different in a thickness direction thereof. A slow axis of the retardation layer is positioned at azimuth between a transmission axis and an absorption axis of the polarization layer. 1. A light diffusion member comprising:a light diffusion film;a polarizing film; anda retardation film,wherein a first substrate which has optical transparency,', 'a light diffusion portion which is provided on a first surface of the first substrate, and', 'a light shielding layer which is provided in a region of the first surface of the first substrate, other than a region in which the light diffusion portion is formed,, 'the light diffusion film includes'} a light-emitting end surface which is in contact with the first substrate, and', 'a light incident end surface which faces the light-emitting end surface and has an area larger than an area of the light-emitting end surface,, 'the light diffusion portion includes'}a height from the light incident end surface to the light-emitting end surface is larger than a thickness of the light shielding layer, a second substrate which has optical transparency and is disposed on the light incident end surface side of the light diffusion portion, and', 'a polarization layer which has a transmission axis and an absorption axis which are provided on a first surface of the second substrate,, 'the polarizing film includes'} a third substrate which has optical transparency and is ...

TUBE CONNECTOR

Tube connector having at least one polarizing element arranged such that a tube connection system can identify at least one parameter of light passed through said first polarizing element, wherein said at least one parameter comprises presence of light, light polarization state, light polarization direction, light intensity or combinations thereof. 11. A tube connector comprising at least one polarizing element (P) arranged such that a tube connection system can identify at least one parameter of light passed through said first polarizing element.2. The tube connector of claim 1 , wherein said at least one parameter comprises presence of light claim 1 , light polarization state claim 1 , light polarization direction claim 1 , light intensity or combinations thereof.3. The tube connector of claim 1 , wherein said at least one parameter is indicative of a preferred mode of operation of said tube connector.4. The tube connector of claim 1 , wherein said connection system is further configured to identify changes in said at least one parameter during insertion and/or revolving of said tube connector relative to a device connector.51. The tube connector of claim 1 , wherein said at least one polarizing element (P) is positioned on an end face of said tube connecter.61. The tube connector of claim 1 , wherein said at least one polarizing element (P) is positioned on an outer wall of said tube connecter.71. The tube connector of claim 1 , wherein said at least one polarizing element (P) is attached to claim 1 , embedded in or molded on said tube connecter.81. The tube connector of claim 1 , wherein said at least one polarizing element (P) is a waveplate.9. The tube connector of claim 8 , wherein said waveplate is a half waveplate.101. The tube connector of claim 1 , wherein said at least one polarizing element (P) comprises a linear polarizer.11. The tube connector of claim 10 , wherein said linear polarizer is configured to transmit light parallel to a polarization axis ...

PHASE GRATINGS WITH ODD SYMMETRY FOR HIGH-RESOLUTION LENSLESS OPTICAL SENSING

Image-sensing devices include odd-symmetry gratings that cast interference patterns over a photodetector array. Grating features offer considerable insensitivity to the wavelength of incident light, and also to the manufactured distance between the grating and the photodetector array. Photographs and other image information can be extracted from interference patterns captured by the photodetector array. Images can be captured without a lens, and cameras can be made smaller than those that are reliant on lenses and ray-optical focusing. 1. A sensing device comprising:a photodetector array; anda phase grating overlying the photodetector array and defining a transverse plane, the phase grating producing, for light in a wavelength band of interest incident the grating and normal to the transverse plane of the grating, normally arranged curtains of minimum intensity between the phase grating and the photodetector array, each of the curtains of minimum intensity created by destructive phase interference between first phase-grating features located to one side of the curtain and paired second phase-grating features located to the other side of the curtain.2. The sensing device of claim 1 , the phase grating producing claim 1 , for light in the wavelength band of interest incident the grating at an acute angle relative to the transverse plane claim 1 , second curtains of minimum intensity between the phase grating and the photodetector array.3. The sensing device of claim 2 , wherein the second curtains are arranged at a second acute angle to the transverse plane.4. The sensing device of claim 1 , wherein each of the first phase-grating features induces a respective first phase-delay to the incident light claim 1 , each of the paired second phase-grating features induces a respective paired second phase-delay to the incident light claim 1 , the first and second paired phase-delays differing by approximately half a wavelength claim 1 , plus an integer number of wavelengths ...

Polarizer, Display Device Having the Polarizer, and Method of Fabricating the Polarizer

Penetration of moisture and propagation of cracks is prevented in a polarizer. An adhesive is provided to cover one or more edges of the polarizer to seal the side section of the polarizer. The adhesive fills initial cracks to prevent the initial crack from being propagated to the inside of the polarizer. A protective film and the adhesive include a material having a hydrophobic characteristic. In a method of fabricating a polarizer, a polarizing film is shaped to form a polarizing layer, and a protective film is then attached by applying an adhesive onto the edges of the polarizing layer. Then, the adhesive is cured, and the protective film having the polarizing layer attached is processed, thereby dividing the protective film into a plurality of polarizers. The adhesive can firmly fix the crack since the adhesive is fills in cracks in the polarizing layer.

VECTOR VORTEX WAVEPLATES

Method for fabrication of vector vortex waveplates of improved quality due to reduced singularity size and widened spectral band, the method comprising creating a boundary condition for vortex orientation pattern of a liquid crystal polymer on a substrate using materials with reversible photoalignment, equalizing exposure energy over the area of the waveplate by redistributing the energy of radiation used for photoalignment from the center of the beam to its peripheries, and using vector vortex waveplate as a linear-to-axial polarization converter. Fabrication of spectrally broadband vector vortex waveplates further comprises two or more liquid crystal polymer layers with opposite sign of twist. 1. A photoalignment method for fabrication of liquid crystal vector vortex waveplates comprising:(a) a substrate;(b) means for rotating said substrate;(c) a material layer with reversible photoaligning capability coated over the surface of said substrate;(d) a light source with wavelength in the absorption band of said photoalignment material;(e) optical means for polarizing and projecting the energy of said light source over the layer of said photalignment coating on said rotating substrate;(f) optical means for shaping the beam in the form of a strip with its energy redistributed from the center of the beam to its peripheries.2. The method as in wherein said photoalignment material comprises azobenzene units as photoresponsive core in its molecular structure.3. The method as in wherein said means for redistributing the energy of said light beam from the beam center to peripheries comprises at least one vector vortex waveplate.4. A method for producing a liquid crystal vector vortex waveplate wherein the substrate obtained according to is further coated with a liquid crystal monomer precursor followed by curing.5. The method as in wherein said liquid crystal monomer precursor contains chiral dopants.6. The method as in wherein a second liquid crystal monomer precursor is ...

CIRCULARLY POLARIZING PLATE AND DISPLAY DEVICE

The present invention provides a circularly polarizing plate capable of reducing the amount of change in tint and a difference in reflectivity while achieving thinning of a display device and a display device having the same. The circularly polarizing plate of the present invention includes a polarizer, a transparent support, an optically anisotropic layer including a liquid crystal compound in this order, in which the optically anisotropic layer satisfies Expression (1) and the transparent support has a thickness of 50 μm or less and satisfied Expression (2), 100≦Re(550)≦180 nm . . . (1) and 1.00≦R≦1.20 . . . (2), in Expression (1), Re(550) represents an in-plane retardation of the optically anisotropic layer at a wavelength of 550 nm and in Expression (2), R represents a ratio between a maximum value and a minimum value of modulus of elasticity of the transparent support. 1. A circularly polarizing plate comprising:a polarizer;a transparent support; andan optically anisotropic layer including a liquid crystal compound, in this order,wherein the optically anisotropic layer satisfies Expression (1), and [{'br': None, 'i': 'Re', '100≦(550)≦180 nm\u2003\u2003(1)'}, {'br': None, 'i': 'R≦', '1.00≦1.20\u2003\u2003(2)'}], 'the transparent support has a thickness of 50 μm or less and satisfies Expression (2),'}in Expression (1), Re(550) represents an in-plane retardation of the optically anisotropic layer at a wavelength of 550 nm, and in Expression (2), R represents a ratio between a maximum value and a minimum value of modulus of elasticity of the transparent support.2. The circularly polarizing plate according to claim 1 ,wherein the optically anisotropic layer is a laminate having a λ/2 plate and a λ/4 plate.3. The circularly polarizing plate according to claim 2 ,wherein the circularly polarizing plate has the polarizer, the transparent support, the λ/2 plate, and the λ/4 plate in this order.4. The circularly polarizing plate according to claim 1 ,wherein the ...

Organic electroluminescent display device, phase difference film, and circularly polarizing plate

The present invention provides: an organic electroluminescent display device that further suppresses reflection of external light when viewed in an oblique direction; a phase difference film; and a circularly polarizing plate. This display device has an organic electroluminescent display panel, and a circularly polarizing plate arranged on the display panel, in which the circularly polarizing plate has a polarizer and a phase difference film, the phase difference film has, from a side of the polarizer, a negative A-plate, and a positive A-plate, the in-plane retardation of the negative A-plate at a wavelength of 550 nm is more than 50 nm and less than 90 nm, and the in-plane retardation of the positive A-plate at a wavelength of 550 nm is 100 to 200 nm, and the angle formed by the in-plane slow axis of the negative A-plate and the in-plane slow axis of the positive A-plate is 45°±10°.

CIRCULAR POLARIZER, AND NOTCH FILTER AND BAND-PASS FILTER COMPRISING SAME

A circular polarizer, a notch filter and a band-pass filter comprising the same are disclosed. The circular polarizer includes: a pair of substrates, a polyimide PI layer which is coated on one side of each of the pair of the substrates, a plurality of spacers disposed to ensure a space between the polyimide PI layer which is coated on one side of each of the pair of the substrates, and cholesteric liquid crystals CLC disposed in the space ensured by the spacers and including any one of a levorotatory chiral material or a dextrorotary chiral material of a predetermined concentration. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. A notch filter comprising:a right-hand circular polarizer including a cholesteric liquid crystal CLC layer including a levorotatory chiral material of a predetermined concentration to reflect light of a left-hand circular component of a predetermined frequency band among the light output from a light source; anda left-hand circular polarizer including a cholesteric liquid crystal CLC layer including a dextrorotatory chiral material of a predetermined concentration to reflect light of a right-hand circular component of the predetermined frequency band among the light passed through the right-hand circular polarizer.13. A notch filter comprising:a pair of substrates;a polyimide PI layer coated on one surface of each of the pair of the substrates;an anti-reflective layer coated on the other surface of each of the pair of the substrates;a plurality of first and second spacers disposed to secure a space between the polyimide PI layer;a first cholesteric liquid crystal CLC layer which is disposed on the space secured by the first spacer and having right-hand circular polarization characteristics of including a levorotatory chiral material of a predetermined concentration to reflect light of a left-hand circular component of a predetermined ...

Display device and method for selecting optical film of display device

There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a polarizer a and an optical film X on a surface on a light emitting surface side of a display element, wherein L1, which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L2, which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition.

DISPLAY DEVICE

A display device includes an electronic part, a support part including a through hole overlapping the electronic part, a display part disposed above the support part and including a first area overlapping the through hole, and a second area non-overlapping the through hole, the second area being adjacent to the first area, a polarizing plate disposed above the display part and having a transmission axis parallel to a direction, and a pattern optical layer disposed on the polarizing plate and including first phase retardation parts having a first optical axis, and second phase retardation parts having a second optical axis orthogonal to the first optical axis. 1. A display device comprising:an electronic part;a support part including a through hole overlapping the electronic part; a first area overlapping the through hole; and', 'a second area non-overlapping the through hole, the second area being adjacent to the first area;, 'a display part disposed above the support part and includinga polarizing plate disposed above the display part and having a transmission axis parallel to a direction; and first phase retardation parts having a first optical axis; and', 'second phase retardation parts having a second optical axis orthogonal to the first optical axis., 'a pattern optical layer disposed on the polarizing plate and including2. The display device of claim 1 , whereinthe first optical axis has an intervening angle of about 45±5° in a positive direction with respect to the transmission axis, andthe second optical axis has an intervening angle of about 45±5° in a negative direction with respect to the transmission axis.3. The display device of claim 1 , wherein the pattern optical layer is a λ/4 phase retarder.4. The display device of claim 1 , wherein the pattern optical layer overlaps the first area and non-overlaps the second area.5. The display device of claim 1 , wherein the pattern optical layer overlaps an entire area of the first area and the second area.6. ...

OPTICAL SYSTEM

An optical system including one or more optical lenses, at least one retarder layer, a reflective polarizer, and a partial reflector is provided. The at least one retarder layer may include first and second retarder layers having different wavelength dispersion curves. The at least one retarder layer may include a first retarder layer having a non-uniform fast axis orientation and/or a non-uniform retardance. 1. An optical system for displaying an object to a viewer , comprising:one or more optical lenses having at least one curved major surface;a reflective polarizer disposed on and conforming to a first major surface of the one or more optical lenses, the reflective polarizer substantially reflecting light having a first polarization state and substantially transmitting light having an orthogonal second polarization state;a partial reflector disposed on and conforming to a different second major surface of the one or more optical lenses, the partial reflector having an average optical reflectance of at least 20%;a first retarder layer disposed on and conforming to a third major surface of the one or more optical lenses; anda second retarder layer disposed on and conforming to a fourth major surface, different than the third major surface, of the one or more optical lenses, such that relative to the first polarization state, the first retarder has a substantially uniform orientation and uniform retardance across the first retarder layer, and the second retarder layer has a substantially non-uniform retardance and non-uniform orientation across the second retarder layer.2. The optical system of claim 1 , wherein the first retarder layer has a first wavelength dispersion curve and the second retarder layer has a different second wavelength dispersion curve.3. The optical system of claim 1 , wherein the first retarder layer comprises a first spin-coated retarder layer having a smaller average first physical thickness and the second retarder layer comprises a second ...

METHOD FOR IMPROVING VISIBILITY OF LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME

The present invention provides a liquid crystal display method capable of, when a screen thereof is observed through a polarizer such as sunglasses, ensuring an excellent visibility regardless of the angle of observation. In a liquid crystal display device at least having a backlight light source, a liquid crystal cell, and a polarizer disposed on a viewing side of the liquid crystal cell, a white light-emitting diode is used as the backlight light source; and a polymer film having a retardation of from 3,000 nm to 30,000 nm is used so as to be disposed on the viewing side of the polarizer so that an angle between an absorption axis of the polarizer and a slow axis of the polymer film becomes about 45 degrees. 1. A method for improving a visibility of a liquid crystal display device at least comprising a backlight light source , a liquid crystal cell , and a polarizer disposed on a viewing side of the liquid crystal cell , which method comprises:using a white light-emitting diode as the backlight light source; andusing a polymer film having a retardation of from 3,000 nm to 30,000 nm, which polymer film is disposed on the viewing side of the polarizer so that an angle between an absorption axis of the polarizer and a slow axis of the polymer film becomes about 45 degrees.2. The method for improving a visibility of a liquid crystal display device according to claim 1 , wherein the white light-emitting diode is a light-emitting device comprising a combination of an yttrium-aluminum-garnet yellow phosphor with a blue light-emitting diode using a compound semiconductor.3. The method for improving a visibility of a liquid crystal display device according to claim 1 , wherein the polymer film is an oriented polycarbonate film.4. The method for improving a visibility of a liquid crystal display device according to claim 1 , wherein the polymer film is an oriented polyester film.5. A liquid crystal display device using a method for improving a visibility according to .6. A ...

OPTICAL MEMBER FOR ENHANCING LUMINANCE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE HAVING THE SAME

Provided are an optical member for enhancing luminance and an organic light-emitting display device having the same. An optical member includes: a linear polarizer, a blue cholesteric liquid crystal (CLC) layer configured to transmit light, the light having only one of: a left-handed circularly polarized light component and a right-handed circularly polarized light component, and a quarter wave plate configured to convert the transmitted light, having the left-handed circularly polarized light component or right-handed circularly polarized light component, into linear polarized light, wherein the blue cholesteric liquid crystal (CLC) layer and the quarter wave plate are located on a same side of the linear polarizer. 1. An optical member for luminance enhancement and reducing reflection , the optical member comprising:a linear polarizer;a blue cholesteric liquid crystal (CLC) layer configured to transmit light, the light having only one of: a left-handed circularly polarized light component and a right-handed circularly polarized light component; anda quarter wave plate configured to convert the transmitted light, having the left-handed circularly polarized light component or right-handed circularly polarized light component, into linear polarized light,wherein the blue cholesteric liquid crystal (CLC) layer and the quarter wave plate are located on a same side of the linear polarizer.2. The optical member of claim 1 , wherein the quarter wave plate is between the blue cholesteric liquid crystal (CLC) layer and the linear polarizer.3. The optical member of claim 1 , wherein the quarter wave plate has an optical axis twisted by 45° from a polarization axis of the linear polarizer.4. The optical member of claim 1 , wherein the blue CLC layer has a reflection peak at 430-470 nm.5. The optical member of claim 1 , wherein the linear polarizer has a transmittance of 43-45%.6. An organic light-emitting display device claim 1 , comprising: a linear polarizer;', 'a blue ...

Circularly polarizing plate and bendable display device

The present invention provides a circularly polarizing plate that makes it possible to realize a bendable display device having reduced reflectivity and reflective tint and has excellent bending resistance, and a display device including a circularly polarizing plate. The circularly polarizing plate of the present invention is a circularly polarizing plate used for a bendable display device and includes a polarizer, and a phase difference film that is arranged on one side of the polarizer. The phase difference film includes a λ/2 plate and a λ/4 plate, the λ/2 plate and the λ/4 plate each include a liquid crystal compound, and a slow axis direction of the phase difference film is adjusted to define an angle of 75 to 105 degrees with respect to a bending direction of the display device.

ANTI-REFLECTIVE OPTICAL FILM AND BENDABLE DISPLAY APPARATUS INCLUDING THE OPTICAL FILM

A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film. 1. An optical film comprising:a protection layer having a folding axis that extends in a first direction; anda circular polarizer disposed over the protection layer, the circular polarizer comprising at least two phase retarders and one polarizer,wherein slow axes of each of the at least two phase retarders are located in a same quadrant of four quadrants of the optical film, andwherein the four quadrants of the optical film are delineated by the folding axis and a virtual axis extending in a second direction perpendicular to the first direction.2. The optical film of claim 1 , whereinthe circular polarizer comprises:the at least two phase retarders comprising a quarter wave (λ/4) phase retarder and a half wave (λ/2) phase retarder, which are sequentially disposed over a display panel; anda polarizer disposed over the at least two phase retarders.3. The optical film of claim 2 , whereinthe slow axis of the λ/4 phase retarder and the slow axis of the λ/2 phase retarder form an angle of about 55 degrees to about 65 degrees with respect to each other.4. The optical film of claim 2 , whereinthe λ/4 phase retarder and the λ/2 phase retarder each comprise reactive liquid crystals.5. The optical film of claim 4 , whereinthe λ/4 phase retarder comprises nematic liquid crystals, andthe λ/2 phase retarder comprises discotic or nematic liquid crystals.6. The optical film of claim 1 , whereinan absorption axis of the polarizer is located in a same quadrant, of the four quadrants, as the slow axes of each of the at least two phase retarders.7. The optical ...

REACTIVE MESOGEN FORMULATION WITH CONDUCTIVE ADDITIVE

The invention relates to a reactive mesogen (RM) formulation comprising a conductive additive, to a polymer film obtained thereof, and the use of the RM formulation and polymer film in optical or electrooptical components or devices, like optical retardation films for liquid crystal displays (LCDs). 1. A formulation comprising >50% of one or more polymerisable mesogenic compounds , and one or more conductive additives.2. A formulation according to claim 1 , characterized in that the conductive additives are selected from ionic organic compounds.3. A formulation according to claim 2 , characterized in that the conductive additives contain an organic cation selected from the group consisting of ammonium claim 2 , phosphonium claim 2 , sulfonium claim 2 , uronium claim 2 , thiouronium claim 2 , guanidinium and heterocyclic cations.4. A formulation according to claim 3 , characterized in that the conductive additives contain an organic cation selected from the group consisting of tetraalkylammonium claim 3 , tetraalkylphosphonium claim 3 , N-alkylpyridinium claim 3 , N claim 3 ,N-dialkylpyrrolidinium claim 3 , 1 claim 3 ,3-dialkylimidazolium or trialkylsulfonium cation.5. A formulation according to claim 2 , characterized in that the conductive additives contain an anion selected from the group consisting of halide claim 2 , borate claim 2 , imide claim 2 , phosphate claim 2 , sulfonate claim 2 , sulfate claim 2 , succinate claim 2 , naphthenate and carboxylate.6. A formulation according to claim 5 , characterized in that the conductive additives contain an anion selected from the group consisting of chloride claim 5 , bromide claim 5 , iodide claim 5 , tetrafluoroborate claim 5 , tetracyanoborate (TCB) claim 5 , difluoro-dicyano borate claim 5 , fluoro-tricyano borate claim 5 , perfluoroalkyl-fluoro-dicyano borate claim 5 , pentafluoroethyl-fluoro-dicyano borate claim 5 , perfluoroalkyl-difluoro-cyano borate claim 5 , pentafluoroethyl-difluoro-cyano borate claim 5 , ...

LASER DICING DEVICE, METHOD OF LASER BEAM MODULATION, AND METHOD OF DICING A SUBSTRATE

A laser dicing device includes: a Gaussian laser beam emitter configured to emit a Gaussian laser beam having a Gaussian energy distribution; a laser beam modulator configured to modulate a shape of the emitted Gaussian laser beam by reducing intensity in a region surrounding a first line parallel with a laser dicing direction of the emitted Gaussian beam, the first line crossing a center of the Gaussian laser beam in a plan view; a focusing lens configured to focus a modulated Gaussian laser beam modulated by the laser beam modulator; and a substrate support configured that a substrate to be diced is seated on the support, wherein the focusing lens is configured to collect the modulated Gaussian laser beam inside the substrate seated on the substrate support. 1. A method of laser beam modulation , the method comprising:emitting a Gaussian laser beam; andmodulating a shape of the emitted Gaussian laser beam by reducing intensity of the Gaussian laser beam in a region surrounding a first line passing through a center of the Gaussian laser beam in a plan view,wherein the first line is parallel with a laser dicing direction of the emitted Gaussian laser beam.2. The method of claim 1 , wherein the modulating of the shape of the emitted Gaussian laser beam comprises modulating the shape of the emitted Gaussian laser beam by using a slit.3. The method of claim 1 , wherein the modulating of the Gaussian laser beam comprises modulating the Gaussian laser beam into an 8-shaped laser beam.4. The method of claim 3 , wherein the modulating of the laser beam by using a spatial light modulator (SLM).5. The method of claim 3 , wherein the modulating of the Gaussian laser beam comprises:splitting the emitted Gaussian laser beam through birefringence;removing a central portion of the split Gaussian laser beam; andremoving side portions of the Gaussian laser beam after removing the central portion of the split Gaussian laser beam.6. The method of claim 3 , wherein the modulating of ...

RETARDATION PLATE MANUFACTURING METHOD

A retardation plate manufacturing method for manufacturing a retardation plate that has an orientation pattern in which is formed a plurality of regions having optical axes oriented in different directions from each other, the retardation plate manufacturing method comprising arranging an unoriented light orientation layer that is to be oriented by light on a first surface of a substrate; preparing a retardation mask including an orientation pattern in which is formed a plurality of regions that have a quarter wavelength retardation plate retardation function and correspond to the plurality of regions in the orientation pattern of the retardation plate; and orienting the light orientation layer by irradiating the retardation mask with elliptically polarized light and irradiating the light orientation layer with polarized light emitted form the retardation mask. 1. A retardation plate manufacturing method for manufacturing a retardation plate that has an orientation pattern in which is formed a plurality of regions having optical axes oriented in different directions from each other , the retardation plate manufacturing method comprising:arranging an unoriented light orientation layer that is to be oriented by light on a first surface of a substrate;preparing a retardation mask including an orientation pattern in which is formed a plurality of regions that have a quarter wavelength retardation plate retardation function and correspond to the plurality of regions in the orientation pattern of the retardation plate; andorienting the light orientation layer by irradiating the retardation mask with elliptically polarized light and irradiating the light orientation layer with polarized light emitted form the retardation mask.2. The retardation plate manufacturing method according to claim 1 , whereinwidth of the plurality of regions of the retardation mask is equal to width of the plurality of regions of the retardation plate.3. The retardation plate manufacturing method ...

POLARIZER AND LIQUID-CRYSTAL DISPLAY DEVICE

A polarizer having at least one optical film and at least one polarizing film, wherein the absolute value of the photo-elastic coefficient C of the optical film is 2×10Paor more, the optical film has an in-plane direction in which the sound propagation velocity is the maximum, and the angle between the in-plane direction in which the sound propagation velocity through the optical film is the maximum and the direction of the absorption axis of the polarizing film falls within a range of from 0° to less than 45°, is excellent in working aptitude and can prevent optical unevenness of the liquid-crystal display device accompanied by environmental changes. 1. A polarizer comprising at least one optical film and at least one polarizing film , wherein:{'sup': −12', '−1, 'an absolute value of a photo-elastic coefficient C of the optical film is 2×10Paor more,'}the optical film has an in-plane direction in which sound propagation velocity is the maximum, andan angle between an in-plane direction in which the sound propagation velocity through the optical film is the maximum and a direction of an absorption axis of the polarizing film falls within a range of from 0° to less than 45°, and wherein:the photo-elastic coefficient C of the optical film is a value measured in an environment at 25° C. and a relative humidity of 60%, at a wavelength of 590 nm, and the sound propagation velocity is a value measured in an environment at 25° C. and a relative humidity of 60%.2. The polarizer according to claim 1 , wherein an absolute value of a humidity dependence of thickness-direction retardation claim 1 , ΔRth claim 1 , of the optical film is 20 nm or less.4. The polarizer according to claim 1 , wherein a ratio of the sound propagation velocity in the in-plane direction of the optical film in which the sound propagation velocity through the optical film is the maximum and that in the direction orthogonal to the in-plane direction of the optical film in which the sound propagation ...

LIGHT CONTROL FILM AND P-POLARIZATION MULTI-LAYER FILM OPTICAL FILM STACK

The present invention generally relates to a film stack having a light-control film, such as a privacy filter, and a p-polarization color shifting film. The present invention also relates to articles, such as displays, incorporating the same. 1. An optical film stack comprisinga light control film; anda p-polarization color shifting film.2. The optical film stack of claim 1 , wherein the p-polarization film has no reflection band of reflectivity greater than 15% for a viewing angle of 0 degrees.3. The optical stack of wherein the p-polarization color shifting film comprises alternating layers of at least a first and second material claim 1 , the alternating layers defining a coordinate system with mutually orthogonal x- and y-axes extending parallel to the layers and with a z-axis orthogonal to the x- and y-axes claim 1 , the alternating layers having a refractive index difference along the x- and y-axes of no more than 0.015 claim 1 , the alternating layers also having a refractive index difference along the z-axis of at least 0.1.4. The optical film stack of claim 3 , wherein the alternating layers have a refractive index difference along the x- and y-axis of no more than 0.01.5. The optical film stack of claim 3 , wherein the first material is substantially isotropic in refractive index and the second material is birefringent.6. The optical film stack of claim 3 , wherein the second material has a refractive index along the z-axis that is less than a refractive index of the second material along the x- and y-axes.7. The optical film stack of claim 3 , wherein the first material has an isotropic refractive index of at least 1.61.8. The optical film stack of claim 1 , wherein the p-polarizing color shifting film has at least 100 layers.9. The optical film stack of wherein the average thickness of the layers ranges from about 80 to 120 nm.10. The optical film stack of wherein at a viewing angle of 0 degrees claim 1 , the stack has CIE coordinates a* and b* claim 1 , ...

VECTOR VORTEX WAVEPLATES

Method for fabrication of vector vortex waveplates of improved quality due to reduced singularity size and widened spectral band, the method comprising creating a boundary condition for vortex orientation pattern of a liquid crystal polymer on a substrate using materials with reversible photoalignment, equalizing exposure energy over the area of the waveplate by redistributing the energy of radiation used for photoalignment from the center of the beam to its peripheries, and using vector vortex waveplate as a linear-to-axial polarization converter. Fabrication of spectrally broadband vector vortex waveplates further comprises two or more liquid crystal polymer layers with opposite sign of twist. 1. A photoalignment method for fabrication of liquid crystal vector vortex waveplates comprising:(a) a substrate;(b) means for rotating said substrate;(c) a material layer with reversible photoaligning capability coated over the surface of said substrate;(d) a light source with wavelength in the absorption band of said photoalignment material;(e) optical means for polarizing and projecting the energy of said light source over the layer of said photalignment coating on said rotating substrate;(f) optical means for shaping the beam in the form of a strip with its energy redistributed from the center of the beam to its peripheries.2. The method as in wherein said photoalignment material comprises azobenzene units as photoresponsive core in its molecular structure.3. The method as in wherein said means for redistributing the energy of said light beam from the beam center to peripheries comprises at least one vector vortex waveplate.4. A method for producing a liquid crystal vector vortex waveplate wherein the substrate obtained according to is further coated with a liquid crystal monomer precursor followed by curing.5. The method as in wherein said liquid crystal monomer precursor contains chiral dopants.6. The method as in wherein a second liquid crystal monomer precursor is ...

IMAGE DISPLAY DEVICE

There is provided an image display apparatus having high contrast and making it difficult to visually observe its conductive pattern despite including a metal nanowire or a metal mesh. An image display apparatus of the present invention includes: a circularly polarizing plate, a transparent conductive film, and a display element comprising a reflector made of a metal in the stated order from a viewer side, wherein: the transparent conductive film comprises a transparent base material and a transparent conductive layer arranged on at least one side of the transparent base material; the transparent base material has an in-plane retardation Re of from 1 nm to 100 nm; and the transparent conductive layer comprises a metal nanowire or a metal mesh. 1. An image display apparatus , comprising a circularly polarizing plate , a transparent conductive film , and a display element comprising a reflector made of a metal in the stated order from a viewer side , wherein:the transparent conductive film comprises a transparent base material and a transparent conductive layer arranged on at least one side of the transparent base material;the transparent base material has an in-plane retardation Re of from 1 nm to 100 nm; andthe transparent conductive layer comprises a metal nanowire or a metal mesh.2. The image display apparatus according to claim 1 , wherein:the circularly polarizing plate comprises a retardation film and a polarizer; andthe circularly polarizing plate is arranged so that the polarizer is on the viewer side.3. The image display apparatus according to claim 1 , wherein in a portion in the image display apparatus where the circularly polarizing plate and the transparent conductive film are laminated claim 1 , a diffuse reflectance is reduced by 90% or more.4. The image display apparatus according to claim 1 , wherein the transparent conductive layer is patterned.5. The image display apparatus according to claim 1 , wherein the metal nanowire comprises one or more ...

CIRCULARLY POLARIZING PLATE, RETARDATION PLATE FOR CIRCULARLY POLARIZING PLATE, AND ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS

A circularly polarizing plate includes a polarizing film, a first optically anisotropic layer, and a second optically anisotropic layer in this order, in which the first optically anisotropic layer contains a twisted aligned liquid crystal compound of which a helical axis is a thickness direction thereof, a helix angle of the liquid crystal compound is 28.6±10°, an absorption axis of the polarizing film and an in-plane slow axis of the second optically anisotropic layer are parallel or orthogonal to each other, Δnd and ReB(550) respectively fall in predetermined value ranges. The circularly polarizing plate can sufficiently suppress the mixing of black with other colors in a front direction when being stuck on a display apparatus. A retardation plate used for the circularly polarizing plate and an organic EL display apparatus that have the circularly polarizing plate are also provided. 1. A circularly polarizing plate comprising a polarizing film , a first optically anisotropic layer , and a second optically anisotropic layer in this order , and satisfying a following requirement (A) or (B) ,wherein the first optically anisotropic layer contains a twisted aligned liquid crystal compound of which a helical axis is a thickness direction of the first optically anisotropic layer,a helix angle of the liquid crystal compound in the first optically anisotropic layer is 28.6±10°,an absorption axis of the polarizing film and an in-plane slow axis of the second optically anisotropic layer are parallel or orthogonal to each other,a value of Δnd, which is a product of a refractive index anisotropy Δn of the first optically anisotropic layer measured at a wavelength of 550 nm and a thickness d of the first optically anisotropic layer, satisfies a following Expression (1), and [{'br': None, '256 nm≦Δnd≦316 nm; \u2003\u2003Expression (1)'}, {'br': None, '67.5 nm≦ReB(550)≦127.5 nm; \u2003\u2003Expression (2)'}], 'ReB(550), which is a value of retardation of the second optically ...

CIRCULARLY POLARIZING PLATE

Provided is a circularly polarizing plate and a display device that includes the circularly polarizing plate. The circularly polarizing plate can be applied to a display device such as an organic light emitting display device to minimize blocking of light in the visible light region affecting image quality while blocking harmful ultraviolet rays appropriately and also has excellent durability. 1. A circularly polarizing plate comprisinga polarizer; anda phase difference layer formed on one side of the polarizer,wherein the phase difference layer comprises a polymerized unit of a normal dispersion polymerizable liquid crystal compound and a polymerization unit of a reverse dispersion polymerizable liquid crystal compound,the phase difference layer has ultraviolet absorptivity that transmittance for light having a wavelength of 385 nm is 3% or less, and {'br': None, 'i': Ra−Ri', 'Ri, 'Phase difference change ratio=100×()/\u2003\u2003[Equation A]'}, 'the phase difference layer has an absolute value of a phase difference change ratio according to Equation A below of 17% or lesswherein, Ri is the initial in-plane phase difference of the phase difference layer for a wavelength of 550 nm, and Ra is the in-plane phase difference of the phase difference layer for a wavelength of 550 nm after an endurance condition, where the endurance condition is a condition that the phase difference layer is allowed to stand at a temperature of 85° C. for 50 hours or more.2. A circularly polarizing plate comprisinga polarizer; anda phase difference layer formed on one side of the polarizer,wherein the phase difference layer comprises a polymerized unit of a normal dispersion polymerizable liquid crystal compound and a polymerization unit of a reverse dispersion polymerizable liquid crystal compound, andthe phase difference layer has ultraviolet absorptivity that transmittance for light having a wavelength of 385 nm is 3% or less, and does not comprise an ultraviolet absorber having a ...

DISPLAY DEVICE AND METHOD FOR SELECTING OPTICAL FILM OF DISPLAY DEVICE

There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a polarizer a and an optical film X on a surface on a light emitting surface side of a display element, wherein L, which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L, which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition. 1. A display device comprising a display element , and a polarizer a and an optical film X on a surface on a light emitting surface side of the display element , and satisfying the following condition 1-1 and condition 2-1: [{'sub': 1', '1', 'max', '1', 'max', '1', 'max', '1, 'let Lrepresent light incident vertically on the optical film X, among light incident on the optical film X from a display element side; an intensity of the Lis measured every 1 nm; it is assumed that a blue wavelength band range from 400 nm to less than 500 nm, a green wavelength band range from 500 nm to less than 600 nm, and a red wavelength band range from 600 nm to 780 nm; let Brepresent a maximum intensity of the blue wavelength band of the L, Grepresent a maximum intensity of the green wavelength band of the L, and Rrepresent a maximum intensity of the red wavelength band of the L;'}, {'sub': 1', 'B', 'max', '1', 'G', 'max', '1', 'R', 'max, 'let Lλrepresent a wavelength showing the B, Lλrepresent a wavelength showing the G, and Lλrepresent a wavelength showing the R;'}, {'sub': B', 'max', '1', 'B', 'G', 'max', '1', 'G', 'G', 'max', '1', 'G', 'R', 'max', '1', 'R, 'let +αrepresent a minimum wavelength showing ½ or less of the intensity of the B, and located in a plus direction side of Lλ, −αrepresent a maximum ...

Optical element, light guide element, and image display device

Provided is an optical element in which transmission of incident light with an angle in a predetermined direction is allowed and the brightness of transmitted light is high. The optical element is formed using a composition including a liquid crystal compound and has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound rotates in one direction; and the optically-anisotropic layer has regions in which the optical axis is twisted in a thickness direction of the optically-anisotropic layer and rotates, the regions having different magnitudes of twist angles of the rotation in a plane.

FABRICATION METHOD FOR DYE POLARIZER AND DISPLAY PANEL

A fabrication method of a dye polarizer and a display panel are provided. The fabrication method includes: dissolving a dye mixture and a reactive monomer in a solvent to form a polarization film solution, in which the dye mixture is formed by mixing multiple dichroic dyes and the dye mixture functions to absorb visible light of all wave band; coating the polarization film solution one a base, followed by alignment, to allow the reactive monomer to cure on the base; and repeating the step of forming the dye polarization film for n times to form a dye polarizer including n+1 stacked layers of the dye polarization, where n is a nature number greater than or equal to 2. The display panel includes the dye polarizer that is formed with the fabrication method described above. 1. A display panel , comprising a dye polarizer , wherein the dye polarizer is formed with a fabrication method which comprises steps of:adding a dye mixture and a reactive monomer in a solvent for dissolving therein to form a polarization film solution, wherein the dye mixture is formed by mixing multiple dichroic dyes and the dye mixture functions to absorb visible light of all wave band;coating the polarization film solution on a base and carrying out alignment, and allowing the reactive monomer to cure on the base to form a dye polarization film; andrepeating the step of forming the dye polarization film for n times in order to form a dye polarizer that comprises n+1 layers of the dye polarization film that are stacked on each other, wherein n is a nature number that is greater than or equal to 2.2. The display panel according to claim 1 , wherein the display panel comprises a liquid crystal panel claim 1 , a quantum dot panel claim 1 , or an organic light-emitting display panel.3. The display panel according to claim 1 , wherein the display panel comprises a liquid crystal panel claim 1 , the liquid crystal panel comprising a thin-film transistor substrate claim 1 , a color filter substrate ...

LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD FOR MANUFACTURING A YELLOW-DYE POLARIZER

An LC panel stacked with a blue backlight module is disclosed. The LC panel includes first and second yellow-dye polarizers, and further includes a first substrate, an LC layer, and a second substrate which are sequentially stacked-up. The first yellow-dye polarizer is sandwiched between the LC layer and the first substrate. The second yellow-dye polarizer is sandwiched between the second substrate and the LC layer, or is disposed on the surface of the second substrate where is far from the LC layer. The polarization direction of the first yellow-dye polarizer is perpendicular to the polarization direction of the second yellow-dye polarizer. The blue backlight module provides a blue backlight source irradiating through the displaying image of the LC panel. An LCD and a method for manufacturing a yellow-dye polarizer are disclosed. The utilization efficiency of the blue backlight source is maximized, and the degree of polarization thereof is drastically increased. 1. A liquid crystal panel , oppositely stacked with a blue backlight module , wherein the liquid crystal panel comprises a first yellow-dye polarizer , a second yellow-dye polarizer , a first substrate , a liquid crystal layer , and a second substrate , the first substrate , the liquid crystal layer , and the second substrate are stacked-up in sequence , the first yellow-dye polarizer is sandwiched between the liquid crystal layer and the first substrate , the second yellow-dye polarizer is sandwiched between the second substrate and the liquid crystal layer , or is disposed on a surface of the second substrate where is far from the liquid crystal layer , a polarization direction of the first yellow-dye polarizer is perpendicular to a polarization direction of the second yellow-dye polarizer , and the blue backlight module provides a blue backlight source irradiating through a displaying image of the liquid crystal panel.2. The liquid crystal panel of claim 1 , wherein the first yellow-dye polarizer and the ...

COATING PROCESSING APPARATUS, COATING PROCESSING METHOD, AND STORAGE MEDIUM

A coating processing apparatus that applies a coating liquid containing an optical material includes a substrate holder that holds a substrate, a coating nozzle that ejects the coating liquid to the substrate held by the substrate holder, and a moving mechanism that relatively moves the substrate holder and the coating nozzle in an orthogonal direction. 1. A coating processing apparatus that applies a coating liquid containing an optical material , the apparatus comprising:a substrate holder that holds a substrate;a coating nozzle that ejects the coating liquid to the substrate held by the substrate holder; anda moving mechanism that relatively moves the substrate holder and the coating nozzle in an orthogonal direction.2. The coating processing apparatus according to claim 1 , further comprising a controller that controls the moving mechanism claim 1 ,wherein the controller is configured to control a coating direction of the coating liquid applied to the substrate by controlling a relative moving speed of the substrate holder and the coating nozzle.3. The coating processing apparatus according to claim 1 , wherein the moving mechanism moves the substrate holder in one direction claim 1 , and moves the coating nozzle in a direction orthogonal to the one direction.4. The coating processing apparatus according to claim 1 , wherein the coating nozzle is provided in a state of extending in one direction and being fixed claim 1 , and the moving mechanism moves the substrate holder in the one direction claim 1 , and moves the substrate holder in a direction orthogonal to the one direction across the coating nozzle.5. The coating processing apparatus according to claim 1 , wherein the substrate holder is smaller in size than the substrate in a plan view.6. The coating processing apparatus according to claim 1 , wherein the coating nozzle includes a slit-shaped ejecting port that ejects the coating liquid.7. The coating processing apparatus according to claim 1 , wherein a ...

POLARIZER

Provided are a polarizing plate and a display. The illustrative polarizing plate may exhibit desired characteristics in a wide range of wavelengths, and have excellent reflection and visibility at an inclined angle. For example, the polarizing plate may be used in a reflective or transflective liquid crystal display or an organic light emitting device. 110-. (canceled)11. A polarizing plate for an organic light emitting device , comprising:a polarizer; and a retardation layer which is laminated on one side of the polarizer and comprises a uniaxial retardation film,wherein the polarizing plate is disposed outside of an electrode layer of the organic light emitting device for preventing reflection of external light and ensuring visibilitywherein a reflectivity with respect to light in an entire wavelengths from 380 nm to 700 nm measure on a side of the polarizer of the polarizing plate is 10% or less with respect to all radial angels at an inclined angle of 50 degrees and the inclined angle is an angle between a normal line of a surface of a polarizing plate and an observation direction,wherein the retardation layer comprises a positive uniaxial retardation film and a C plate as retardation film, and the positive uniaxial retardation film is disposed closer to the polarizer than the C plate,wherein the Rth value according to formula 6 below of the C plate is more than 0 nm,wherein the positive uniaxial retardation film has a first Rth value according to formula 6 below, the C plate has a second Rth value according to formula 6 below and the sum of the first and second Rth values is from 40 nm to 130 nm for having the above reflectivity,wherein the sum of the Rin values according to formula 6 of all of the retardation films comprised in the retardation layer is in a rage of 100 nm to 170 nm,wherein an angle between a slow axis of the positive uniaxial retardation film and a light absorption axis of the polarizer is from 40 degrees to 50 degrees, [{'br': None, 'i': Rin= ...

OPTICAL MULTILAYER FILM, AND OPTICAL COMPONENT AND DISPLAY DEVICE COMPRISING THE SAME

The optical multilayer film, which comprises a laminate in which a base layer, a primer layer, and a hard coat layer are sequentially laminated, has enhanced mechanical properties while preventing rainbow stains and a reduction in the visibility by adjusting the in-plane retardation of the base layer and the refractive indices of the respective layers. Thus, the optical component and the display device, which comprise the optical multilayer film, have excellent optical characteristics and can operate normally even in harsh environments. 1. An optical multilayer film , which comprises a laminate in which a base layer , a primer layer , and a hard coat layer are sequentially laminated ,{'sub': 'min', 'wherein the base layer comprises a polyester resin and has a minimum in-plane retardation (Ro) of 150 nm or less and a change (|ΔRo|/|Δx|) in the in-plane retardation with respect to a displacement in the transverse direction of less than 550 nm/3 m, and'} [{'br': None, 'i': n', 'n', 'n, '3<2<1\u2003\u2003(1)'}, {'br': None, 'i': n', 'n, '0.10≤1−3≤0.15\u2003\u2003(2)'}, {'br': None, 'i': n', 'n, '0≤1−2≤0.10\u2003\u2003(3)'}, {'br': None, 'i': n', 'n, '0≤2−3≤0.10\u2003\u2003(4).'}], 'when the refractive indices of the base layer, the primer layer, and the hard coat layer are n1, n2, and n3, they satisfy the following Equations (1) to (4)2. The optical multilayer film of claim 1 , which has a minimum in-plane retardation (Ro) of 150 nm or less anda change (|ΔRo|/|Δx|) in the in-plane retardation with respect to a displacement in the transverse direction of less than 550 nm/3 m.3. The optical multilayer film of claim 1 , wherein the base layer has a maximum thickness direction retardation (Rth) of 6 claim 1 ,000 nm or more.4. The optical multilayer film of claim 1 , wherein the base layer has a refractive index (n1) of 1.61 to 1.69.5. The optical multilayer film of claim 4 , wherein the base layer has a refractive index (n1) of 1.63 to 1.68 claim 4 , andthe primer layer has ...

Method and Apparatus for a Shaped Optical Path Length Extender

A digital light path length modulator comprises an optical path length extender (OPLE) and a polarization modulator. The OPLE comprises two light paths having different path lengths, such that light having a first polarization is directed through a first light path, and the light having a second polarization is directed through a second light path. 1. A system to adjust light path length comprising a digital light path length modulator , the digital light path length modulator comprising:a polarization modulator to receive polarized light and to modulate a polarization of some or all of the polarized light; andan optical path length extender (OPLE) having an entry surface and an exit surface, to direct the light entering the OPLE with a first polarization through the entry surface and along a first light path through the OPLE to exit through the exit surface, and to direct the light entering the OPLE with a second polarization through the entry surface and along a second light path through the OPLE to exit through the exit surface, the second light path through the OPLE having a light path length two or more times longer than the first light path length through the OPLE, wherein the OPLE is shaped.2. The system of claim 1 , wherein the OPLE is flat.3. The system of claim 1 , wherein the OPLE is curved.4. The system of claim 1 , the OPLE comprising:a quarter wave plate, changing a type of polarization between a circular polarization and a linear polarization, such that the light entering the OPLE has circular polarization, and the light exiting the OPLE has linear polarization, and the light entering the OPLE with the second polarization is reflected back towards the entry surface, prior to exiting the OPLE through the exit surface.5. The system of claim 4 , wherein the OPLE includes:a quarter wave plate to change the polarization of the light between a circular polarization and a linear polarization;a wire grid polarizer to pass the light having a particular ...

Organic electroluminescent display device, phase difference film, and circularly polarizing plate

The present invention provides an organic electroluminescent display device in which reflection of external light is suppressed and a change in tint in a case of being viewed in an oblique direction is further suppressed, a phase difference film, and a circular polarization plate. This organic electroluminescent display device according to the present invention includes an organic electroluminescence display panel and a circular polarization plate arranged on the organic electroluminescence display panel, in which the circular polarization plate includes a polarizer and a phase difference film, the phase difference film includes a positive A-plate and a positive C-plate, and the positive A-plate and the positive C-plate satisfy prescribed requirements.