ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ПОЛИМЕРОМ, СОДЕРЖАЩИМ ЛЮМИНЕСЦИРУЮЩИЕ ФРАГМЕНТЫ

Изобретение относится к осветительному устройству, включающему источник света для генерирования излучения источника света и конвертер света. Конвертер включает матрицу из первого полимера. Матрица включает дискретные зоны, содержащие второй полимер с люминесцентной функциональностью, представляющий ароматический сложный полиэфир, содержащий люминесцирующие фрагменты. Причем первый полимер химически отличается от ароматического сложного полиэфира. Дискретные зоны занимают объем в диапазоне 0,5-50% от объема конвертера. Описываются также конвертер для преобразования света в люминесценцию и способ получения указанного конвертера. Изобретение обеспечивает повышение стабильности люминофора и увеличение срока службы конвертера. 3 н. и 9 з.п. ф-лы, 6 ил., 1 пр.

ИСТОЧНИК СВЕТА С НАСТРОЕННЫМ СПЕКТРАЛЬНЫМ РАСПРЕДЕЛЕНИЕМ

Группа изобретений относится к медицинской технике. Прожектор белого света для обнаружения люминесценции, например биомаркера, содержит: по меньшей мере один твердотельный светоизлучающий элемент для излучения первичного света и множество преобразующих длину волны материалов для преобразования части первичного света во вторичный свет, выполненное в виде массива независимых преобразующих длину волны областей, при этом различные преобразующие длину волны области содержат преобразующие материалы, создающие различные полосы/пики излучения вторичного света, при этом каждый преобразующий материал выполнен с возможностью преобразования первичного света во вторичный свет, и при этом каждый преобразующий длину волны материал выполнен с возможностью вносить вклад в спектр общего излучения по меньшей мере одной полосой/пиком излучения, а общее излучение вторичного света, обеспеченное упомянутыми преобразующими материалами, предусматривает широкополосный спектр излучения, за исключением по меньшей ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ОТДАЛЕННЫМ ПРЕОБРАЗУЮЩИМ ДЛИНУ ВОЛНЫ ЭЛЕМЕНТОМ

Изобретение относится к области светотехники. Техническим результатом является упрощение изготовления. Осветительное устройство (1), содержащее по меньшей мере один источник (3) света, преобразующий длину волны элемент (8), выполненный с возможностью преобразования длины волны света, излучаемого упомянутым по меньшей мере одним источником света, по меньшей мере одну опору (7), выполненную с возможностью поддерживать преобразующий длину волны элемент отдаленным от упомянутого по меньшей мере одного источника света, и колбу (2), выполненную с возможностью заключения в ней преобразующего длину волны элемента и по меньшей мере участка упомянутой по меньшей мере одной опоры. Упомянутая по меньшей мере одна опора выполнена с возможностью поворота относительно преобразующего длину волны элемента. Осветительное устройство дает возможность использовать жесткий преобразующий длину волны элемент и по меньшей мере частично жесткую опору, поскольку эти два компонента можно перемещать относительно друг ...

СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО С РЕГУЛИРУЕМЫМ ЦВЕТОМ

Предложено светоизлучающее устройство (100) с регулируемым цветом. Оно содержит твердотельный источник (101) света, выполненный с возможностью излучать свет первого диапазона (L1) длин волн. Светоизлучающее устройство также содержит элемент (102), преобразующий длину волны, выполненный с возможностью принимать свет этого первого диапазона длин волн, излучаемого источником света, и способный преобразовывать свет первого диапазона длин волн в видимый свет (L2) второго диапазона (L2) длин волн. Светоизлучающее устройство также содержит узкополосный отражатель (103, 104), расположенный в направлении выхода света от элемента, преобразующего длину волны, для приема света упомянутого второго диапазона длин волн. При этом упомянутый узкополосный отражатель выполнен с возможностью реверсивного переключения между первым состоянием, в котором узкополосный отражатель отражает первый поддиапазон упомянутого второго диапазона длин волн, и вторым состоянием, в котором узкополосный отражатель отражает ...

ЛАМПА И ОСВЕТИТЕЛЬНЫЙ ПРИБОР С ПЕРЕСТРАИВАЕМЫМ ИНДЕКСОМ ЦВЕТОПЕРЕДАЧИ

Изобретение относится к области светотехники. Техническим результатом является возможность настройки осветительного устройства для обеспечения переключения между высоким индексом цветопередачи с низкой эффективностью освещения и низким индексом цветопередачи с высокой эффективностью освещения при заданной цветовой температуре или цветовой точке. Технический результат обеспечивается за счет того, что осветительный блок (100), содержащий первый источник (110) света, второй источник (210) света, первый преобразующий длину волны элемент (1100), второй преобразующий длину волны элемент (2100), дополнительно снабжен транспортной инфраструктурой (20), выполненной с возможностью размещения первого источника света, второго источника света, первого преобразующего длину волны элемента и второго преобразующего длину волны элемента в первом расположении или втором расположении путем перемещения одного или более из них. При этом в первом расположении и втором расположении осветительный блок обеспечивает ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ОПТИЧЕСКИМ ЭЛЕМЕНТОМ, ИМЕЮЩИМ КАНАЛ ТЕКУЧЕЙ СРЕДЫ

Изобретение относится к области светотехники. Техническим результатом является улучшение рассеяния тепла. Осветительное устройство содержит по меньшей мере один источник (3) света и по меньшей мере один оптический элемент (5). Оптический элемент (5) может быть выполнен с возможностью пропускания света, излучаемого источником (3) света. Оптический элемент (5) содержит светопропускающий материал (7) и по меньшей мере один канал (9), проходящий сквозь светопропускающий материал (7), для обеспечения потока текучей среды через упомянутый оптический элемент (5). Канал (9) скомпонован так, что основная часть света (16), излучаемого упомянутым источником (3) света, попадающего в канал (9), дополнительно распространяется сквозь светопропускающий материал (7). Оптический элемент (5) содержит множество слоев (18) светопропускающего материала (7), отстоящих друг от друга, причем каждый слой содержит по меньшей мере одно сквозное отверстие (11). 2 н. и 13 з.п. ф-лы, 7 ил.

СВЕТОВОДНЫЙ ЭЛЕМЕНТ И УСТРОЙСТВО ИСТОЧНИКА СВЕТА

Раскрыты световодный элемент и устройство источника света. Световодный элемент включает отражающую пластину (131), имеющую апертуру, и трансфлективную пластину с покрытием (132). Отражающая пластина (131) отражает свет. Апертура позволяет свету проходить через нее. Трансфлективная пластина с покрытием (132) соединена с отражающей пластиной (131) и закрывает апертуру, пропуская свет возбуждения и отражая свет, отличающийся по цвету от света возбуждения. Устройство источника света включает: источник света возбуждения (110) для генерации света возбуждения; световодный элемент для пропускания через апертуру и трансфлективную пластину с покрытием (132) света возбуждения, генерируемого источником света возбуждения (110); устройство генерации цветного света для приема света возбуждения, прошедшего через трансфлективную пластину (132), и генерации преобразованного света путем использования света возбуждения; и светособирающий элемент для получения преобразованного света, генерируемого устройством ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО, СПОСОБНОЕ ОБЕСПЕЧИВАТЬ САДОВОЕ ОСВЕЩЕНИЕ, И СПОСОБ ОСВЕЩЕНИЯ В САДОВОДСТВЕ

... 1. Осветительное устройство (100), способное обеспечивать садовое освещение (111), имеющее спектральное распределение света по меньшей мере с интенсивностью света в первой длине волны, выбранной из диапазона 400-475 нм, и во второй длине волны, выбранной из диапазона 625-800 нм, при этом осветительное устройство (100) содержит множество светоизлучающих диодов (светодиодов) (10), выполненных с возможностью генерирования светодиодного света (11), имеющего длину волны, выбранную из указанного диапазона 400-475 нм, при этом множество светоизлучающих диодов (10) выполнены в виде массива (30), при этом осветительное устройство содержит по меньшей мере две генерирующие свет части, при этом- первая генерирующая свет часть (100а) содержит первое подмножество (10а) множества светоизлучающих диодов (10), при этом первая генерирующая свет часть (100а) выполнена с возможностью предоставления первого освещения (111а), имеющего первое спектральное распределение света по меньшей мере с интенсивностью света ...

СОЗДАНИЕ ЦВЕТНОГО УЗОРА ЛИСТА

СВЕТИЛЬНИК

... 1. Светильник (1), содержащий по меньшей мере корпус (2) светильника и прозрачный или полупрозрачный защитный лоток/защитный колпак (3), при этом источники света (4) и соответствующие электрические и электронные компоненты (5) могут быть расположены в корпусе (2) светильника, а защитный лоток/защитный колпак (3) разъемно соединен с корпусом (2) светильника,отличающийся тем, чтозащитный лоток/защитный колпак (3) снабжен фильтрующим средством (6, 9) для спектрального фильтрования света, испущенного источником света, при этом спектральное фильтрование адаптировано для фильтрации света по меньшей мере в заданном спектральном диапазоне, в котором определенные животные более чувствительны, чем человек.2. Светильник по п.1,отличающийся тем, чтозащитный лоток/защитный колпак (3) снабжен также средством (7) для ограничения слепимости.3. Светильник по п.1 или 2,отличающийся тем, чтофильтрующим средством (6) и/или средством (7) для ограничения слепимости снабжена внутренняя поверхность (8) защитного ...

СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО С РЕГУЛИРУЕМЫМ ЦВЕТОМ

... 1. Светоизлучающее устройство (100) с регулируемым цветом, содержащее:- твердотельный источник (101) света, выполненный с возможностью излучать свет (L1) первого диапазона длин волн;- элемент (102) преобразующий длину волн, выполненный с возможностью принимать свет этого первого диапазона длин волн, излучаемый источником света, и способный преобразовывать свет первого диапазона длин волн в видимый свет (L2) второго диапазона длин волн;- узкополосный отражатель (103, 104), расположенный на пути выхода света от элемента, преобразующего длину волн, для приема света второго диапазона, при этом узкополосный отражатель выполнен с возможностью реверсивного переключения между первым состоянием, в котором узкополосный отражатель отражает первый поддиапазон второго диапазона длин волн, и вторым состоянием, в котором узкополосный отражатель отражает второй поддиапазон второго диапазона длин волн.2. Светоизлучающее устройство по п. 1, в котором узкополосный отражатель (103, 104) в первом состоянии ...

Lighting system for fluorescent lamp utilized for illuminating room of office, has accent lighting units remotely located from semiconductor light source, and comprising phosphor regions that are illuminatable from outside

The system (11) has multiple accent lighting units (13) remotely located from a semiconductor light source (12), and comprising phosphor regions (14) i.e. plate-like carriers, which are illuminatable from outside. The light source is provided as a laser such as laser diode, and radiates UV or blue primary light (P). The lighting units are commonly illuminable by a beam splitting of the semiconductor light source, where the beam splitting is carried-out by a beam splitter (17). The beam splitter comprises a fixed predetermined ratio of a reflected radiation (R) to a transmitted radiation (T).

Leuchtstoffelement und Beleuchtungsvorrichtung

Eine Leuchtstoffvorrichtung 10 beinhaltet eine Leuchtstoffschicht 1, die aus einem Leuchtstoffglas oder Leuchtstoffeinkristall besteht, einen reflektierenden Film 2, der auf der Leuchtstoffschicht 1 vorgesehen ist, eine Verzugsunterdrückungsschicht 3, die auf dem reflektierenden Film 2 vorgesehen ist, und einen Stützkörper 4, der durch direktes Bonding an die Verzugsunterdrückungsschicht gebunden ist. Das in die Leuchtstoffschicht 1 einfallende Anregungslicht „A“ wird in Fluoreszenz umgewandelt, und das Fluoreszenz- und Anregungslicht wird vom reflektierenden Film reflektiert und von der Leuchtstoffschicht abgegeben.

Beleuchtete Plakette

Fahrzeug, das Folgendes umfasst: eine Karosserieplatte; eine Plakette, die an der Platte befestigt ist und ein Substrat und ein daran befestigtes Gehäuse beinhaltet und einen Hohlraum dazwischen definiert; ein reflektierendes Glied, das innerhalb des Hohlraums angeordnet ist; und eine Lichtquelle innerhalb des Hohlraums, die dazu konfiguriert, ein Anregungslicht in eine erste Richtung zum Beleuchten eines Sichtteils der Plakette und in eine zweite Richtung zum reflektierenden Glied zu emittieren, wobei das reflektierende Glied das Anregungslicht durch einen Peripherieteil der Plakette umleitet.

Fotolumineszente Fahrzeugapplikationen

Fahrzeugapplikation, umfassend eine dekorative Schicht; eine Überspritzung, die über der dekorativen Schicht angeordnet ist, wobei die Überspritzung im Wesentlichen transparent ist; und eine Halbleiterschicht, die auf einer der Überspritzung gegenüberliegenden Seite der dekorativen Schicht angeordnet ist, wobei die Halbleiterschicht dazu konfiguriert ist, Licht durch die dekorative Schicht abzustrahlen.

Electroluminscent lamp

A lamp comprises electroluminescent elements 1, 14 (preferably an LED) which radiate photons in the visible or UV region from a central core 15 to the surface 6. This light passes by multiple routes and through various optically active layers or particles 7,17, 18 and 19 that modify the original radiation in direction, intensity, phase and spectrum in order to produce a useful light output for domestic, industrial, business or entertainment applications. The lamp provides an integral module that may be used as a contemporary light with standard connectors 12, 13. The lamp may comprise fluorescent coating 7, diffuser 17, semi-silver mirror 19, diffraction gratings, refractive particles, prisms, lenses, trapped gas particles and a translucent shell 6.

VARIABLE COLOUR LIGHT

Improvements in fluorescent lighting fittings

... 540,898. Lighting fittings. SKINNER, G. D. and BENJAMIN ELECTRIC, Ltd. May 3, 1940, No. 7979. [Classes 75 (ii) and 75 (iv)] A fluorescent lighting fitting comprises a tubular electric discharge lamp 1 removably mounted in an elongated trough-like casing or reflector 4 with its axis parallel to the length of the casing, the open side of the casing being closed in by a translucent luminescent wall or screen 2. The screen 2 may have a luminescent coating applied to its inner wall or may be made of glass having luminescent material incorporated while in a plastic or molten condition. The outer surface of the screen may be formed with prisms. The lamp 1 may be cooled by filtered air circulated through the casing 4, the air being then delivered into the room in a sterilized condition. The Provisional Specification states that opaque or semi-opaque louvres may project at right angles below the luminescent screen.

Improvements in or relating to fluorescent lighting fittings

... 541,144. Fluorescent lighting fitting. ILIFFE, A. E., and BENJAMIN ELECTRIC, Ltd. May 9, 1940, No. 8354. [Class 75 (ii)] [Also in Group XL] To utilize the rays escaping from the uncoated ends of a tubular electric discharge lamp 2 mounted in a trough reflector 1 the sloping end pieces 3 of the reflector may be coated with fluorescent material or the ends of the lamp may be enclosed by a translucent or transparent cover plate 4 coated on its inner surface with fluorescent material. In another construction for use with an open-ended trough reflector 5 electrical connectors 2a on the ends of the lamp are fitted with metal plates 6 faced with fluorescent materials.

ELECTRIC TORCHES

... 1452762 Uses of luminescence W S STONE 20 Sept 1973 [24 Oct 1972] 44071/73 Heading C4S [Also in Division F4] An electric torch comprises a case, a substantial part of one wall of which is translucent or transparent and which provides a phosphorescent chamber 80, a light source in or adjacent the chamber so positioned that a substantial part of the light is radiated externally of the case, battery mounting 10, switch means, and a phosphorescent layer in or adjacent the translucent or transparent part of the wall, whereby part of the light from the source enters chamber 80 and reactivates the phosphor enabling ready location. In Fig. 1 (not shown), the bulb has a lens tip (41), and plastic seal (46) with a white reflective surface and hole (49) for bulb positioning. The filament may be entirely inside or outside the chamber. In Fig. 2, most of the filament is external but the glass stem conducts a small part interiorly. The phosphor may be ZnS or CdS, inside or outside or in the wall, or ...

Method for using reflected light from light emitting diodes, to create ample ambient lighting in retail and commercial environments

LIGHT

LIGHT

LEUCHTVORRICHTUNG

A lighting device comprises an electrically lit medium, main reflector (3) through which the light (2) partly projects (4) and a rotationally symmetric concave secondary reflector (5). Preferably a shield tube partly surrounds the light.

DEVICE FOR YIELDING IRRADIATION

Electronically controlled stage lighting system

SMART LED LIGHT DEVICE WITH LIGHT COLOR AUTOMATICALLY CHANGEABLE

A smart LED lighting device with light color automatically changeable comprises a LED lighting component, a driving motor, and a rotary light filtering member. The LED lighting component has a light emitting surface. The rotary light filtering member is connected with the driving motor. The rotary light filtering member covers the light emitting surface of the LED lighting component, and the rotary light filtering member has a plurality of filtering color portions arranged on a rotation path facing toward the light emitting surface. Thereby the color of the light from the light source is changeable to be more applicable in the situation of environment change and to be more suitable for the requirement of use, and thus the smart LED lighting device of the present innovation provides an appropriate lighting effect and can be applied broadly. 31c 31 31b ...

Led lighting column and led lamp using same

An LED lighting column (1) and an LED lamp using same. The LED lighting column (1) comprises a high thermal conductivity tube (10) and at least one string of LED chips (11) provided on the outer surface of the high thermal conductivity tube (10). The LED lamp comprises a transparent bulb shell (3) which is vacuum sealed and filled with thermally conductive protecting gas, an LED driver (4), and an electric connector (6). The LED lighting column (1) is fixed in the bulb shell (3). The electric lead wires (13) of the LED lighting column (1) are connected with an external power supply via the driver (4) and the electric connector (6). The LED lamp can be a single-bulb-shell lamp, a multi-tube lamp, or a U-shaped lamp.

LED lamp with ND-glass bulb

LED based lamps are disclosed. In an embodiment, an LED based lamp (10) includes a concave optical diffuser (11), a concave neodymium-doped glass bulb (13), a reflector (15), a printed circuit board that includes a plurality of light-emitting diodes (LEDs) configured to emit light, and a heat sink body (20). The concave optical diffuser (11) has a first interior volume (12), and the concave neodymium-doped glass bulb (13) is positioned within the first interior volume (12). The neodymium-doped glass bulb (13) defines a second interior volume (14), and both the reflector (15) and the printed circuit board are positioned within the second interior volume (14). The reflector (15) includes a sloped annular wall with an inner reflective surface and an outer reflective surface, and a bottom portion of the reflector is connected to the printed circuit board. The heat sink (20) is thermally connected to the printed circuit board and to the reflector (15).

COUPLING OF LIGHT FROM A SMALL LIGHT SOURCE FOR PROJECTION SYSTEMS USING PARABOLIC REFLECTORS

A portion of a first paraboloid (30) collects and concentrates randomized light from a lamp (20) into parallel beams directed to a portion of a second paraboloid (40) which refocuses the light onto a homogenizer (60). The second paraboloid has a shape that is substantially similar to the first paraboloid reflector. The source and the target are located at the respective foci of the paraboloids such that the optical flux from the source is imaged to the target with minimal distortion in an approximately no magnification imaging system. The system may be configured to control wavelength and intensity by inserting an additional filter. In addition, a retro-reflector may be added to increase the overall flux density at homogenizer. The output is particular suitable for providing light to the light engine of projectors.

CONVERTER-COOLING ELEMENT ASSEMBLY WITH METALLIC SOLDER CONNECTION

The invention relates to a assembly, comprising a ceramic converter for converting light having a first wavelength into light having a second wavelength, a metal-containing reflective coating, and a cooling element. The surface of the ceramic converter is at least partly coated with the metal-containing reflective coating, wherein the coating dissipates the heat from the converter into the cooling element. The cooling element and the metal-containing reflective coating are connected to one another by means of a metallic solder connection. Furthermore, the invention relates to a method for producing a assembly, comprising a ceramic converter, a metal-containing reflective coating and a cooling element, comprising the following method steps: a) providing a ceramic converter having at least one polished surface; b) providing a paste, containing a metal powder and an organic paste fluid; c) applying the paste to at least one part of the polished converter surface; d) drying the paste; e) firing ...

LED-BASED ILLUMINATION MODULES WITH THIN COLOR CONVERTING LAYERS

An illumination module includes a plurality of Light Emitting Diodes (LEDs). The illumination module may include a reflective color converting element with a PTFE layer and a color converting layer fixed to the PTFE layer. The color converting layer includes phosphor particles embedded in a polymer matrix and has a thickness that is less than five times an average diameter of the phosphor particles. The illumination module may include a transmissive color converting element. The color converting elements may be produced by mixing a polymer binder with a solvent and phosphor particles to form a homogeneous suspension of the phosphor particles. The homogeneous suspension is applied to a surface to form an uncured color converting layer, which is heated to vaporize the solvent. The cured color converting layer includes the phosphor particles suspended in the polymer binder ...

LED LAMP WITH ND-GLASS BULB

LED based lamps are disclosed. In an embodiment, an LED based lamp (10) includes a concave optical diffuser (11), a concave neodymium-doped glass bulb (13), a reflector (15), a printed circuit board that includes a plurality of light-emitting diodes (LEDs) configured to emit light, and a heat sink body (20). The concave optical diffuser (11) has a first interior volume (12), and the concave neodymium-doped glass bulb (13) is positioned within the first interior volume (12). The neodymium-doped glass bulb (13) defines a second interior volume (14), and both the reflector (15) and the printed circuit board are positioned within the second interior volume (14). The reflector (15) includes a sloped annular wall with an inner reflective surface and an outer reflective surface, and a bottom portion of the reflector is connected to the printed circuit board. The heat sink (20) is thermally connected to the printed circuit board and to the reflector (15).

LUMINAIRE WITH CHANGEABLE ACCENT LIGHTING

LUMINAIRE WITH CHANGEABLE ACCENT LIGHTING A luminaire comprises a light source, reflector means, and housing means. The reflector means generally encloses the light source and includes a first opening and a second opening, the second opening having translucent filter means disposed therein. The housing means generally encloses the reflector means, and includes a first opening generally in alignment with the first opening of the reflector means, and at least one additional opening. The reflector means and housing means are arranged for permitting a portion of the light emitted from the light source to pass through the translucent filter means and through the at least one additional opening of the housing means. In a preferred embodiment, the reflector means includes means for removably attaching the translucent filter means in the second opening of the reflector means.

LIGHT SOURCE FOR USE IN LEAK DETECTION IN HEATING, VENTILATING, AND AIR CONDITIONING SYSTEMS THAT UTILIZE ENVIRONMENTALLY-SAFE MATERIALS

A light source for use in examining leak detection sites in heating, ventilating, and air conditioning systems that utilize a fluorescence-producing dye in the refrigerant to determine the presence of leaks. The light source combines a dichroic reflector with a lamp and interference filter to provide a narrowed emission of wavelength of light emitted from the light source.

Leuchtschirm für elektrische Lampen.

Dispositif à effets photoluminescents.

Lampe autolumineuse

A lighting device has main and secondary reflectors with the lamp partly projecting into the main reflector to reduce height

A lighting device comprises an electrically lit medium, main reflector (3) through which the light (2) partly projects (4) and a rotationally symmetric concave secondary reflector (5). Preferably a shield tube partly surrounds the light.

LIGHT CONVERSION PACKAGE

Ceiling combine structure of edge type direct light

산란 광자 추출 기반 조명 기구

... 산란 광자 추출 조명 기구는 제 1 표면을 갖는 광학 소자; 광학 소자의 제 1 표면에 반대편에, 직각으로, 또는 접선으로 배치되는, 단파장 방사선을 방출하기 위한 광원; 광원에 의해 방출되는 단파장 방사선의 적어도 일부를 수신하고 하향 변환하고 수신되고 하향 변환된 방사선을 뒤로 전달하기 위하여, 광학 소자의 제 1 표면에 배치되는 파장 변환 물질; 및 파장 변환 물질 반대편에 배치되는 하나 혹은 그 이상의 반사체;를 포함한다. 산란 광자 추출 조명 시스템은 복수의 발광 기구를 포함한다. 본 발명의 일 실시 예에서 하나 혹은 그 이상의 파장 변환 물질은 광원으로부터 멀리 떨어져 배치되고, 하나의 스펙트럼 영역 내에서 방사선을 흡수하고 또 다른 스펙트럼 영역 내에서 방사선을 방출하도록 사용된다. 단파장 및 하향 변환된 방사선을 포획함으로써 광 효율이 향상된다.

LIGHTING DEVICE

Systems for providing illumination in optical metrology

The disclosure is directed to systems for providing illumination to a measurement head for optical metrology. In some embodiments of the disclosure, illumination beams from a plurality of illumination sources are combined to deliver illumination at one or more selected wavelengths to the measurement head. In some embodiments of the disclosure, intensity and/or spatial coherence of illumination delivered to the measurement head is controlled. In some embodiments of the disclosure, illumination at one or more selected wavelengths is delivered from a broadband illumination source configured for providing illumination at a continuous range of wavelengths.

A light emitting device and a projection system

The present invention relates to a light emitting device, comprising an excited light source for emitting an excited light, an additional laser source for emitting a first light, a wavelength conversion device, and a light guiding device, wherein one side of the wavelength conversion device is used for receiving the excited light and the first light, and reflecting the partial first light. The light guidance devices includes a first region and a second region, the first light and the excited light are launched into the first region and second region respectively from the first light passage, and guided to the wavelength converting device; the second region is also used for guide the excited laser and reflection first light to the second light passage and emitted.

Wavelength conversion structure, apparatus comprising wavelength conversion structure, and related methods of manufacture

A wavelength conversion structure comprises a sintered body comprising a mixture of a wavelength conversion material and a glass composition, wherein the wavelength conversion material comprises a phosphor and the glass composition comprises ZnO-BaO-SiO2-B2O3.

CHROMATIC MIRROR, CHROMATIC PANEL AND APPLICATIONS THEREOF

Illumination system for stereoscopic projection device

LIGHTING DEVICE

Provided is a lighting device which is configured so that the deterioration of the light emitting efficiency thereof is minimized and a reduction in the lifetime thereof is minimized. This lighting device (1) is provided with: a fluorescent member (4) to which a laser beam emitted from a semiconductor laser (2) is applied and which emits fluorescent light; a rotation mechanism (6) which rotates the fluorescent member; and a reflection member (7) which outwardly reflects the fluorescent light emitted from the fluorescent member.

LED lighting system

A lighting system includes at least one lighting apparatus having a light emitting element capable of emitting a controllably variable light output in a region. A position determination subsystem is capable of determining a position in three dimensions of at least one mobile entity within the region. A control subsystem is capable of variably controlling a light output of the at least one lighting apparatus according to the position of the mobile entity. The system may determine position by radio ranging with mobile electronic elements. The system may include multiple lighting elements and may determine light levels according to positions of multiple mobile entities. The system may include a database of information about lighting elements, mobile entities, and lighting plans that may be selected from mobile electronic elements.

Optical element edge treatment for lighting device

A lighting device includes an electrically activated emitter, a lumiphoric material spatially segregated from the emitter, and an optical element arranged between the emitter and the lumiphoric material and having at least one peripheral edge, wherein a reflective material is disposed proximate to the at least one peripheral edge and/or wherein the at least one peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material. An optical element for use with a lighting device including a lumiphoric material includes a peripheral edge, wherein a reflective material disposed substantially parallel to the peripheral edge and/or wherein the peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material.

Surface light source device using light emitting diodes

A surface light source device using light emitting diodes, the device including: a housing having a top opening to emit light; a light emitting diode board disposed on an inner bottom surface of the housing, the board on which a plurality of light emitting diodes are arranged; and a color conversion laminate formed by depositing a plurality of phosphor-mixed resin layers containing phosphors, the layers disposed at a top of the opening of the housing and providing light having different wavelengths.

Lighting unit comprising a waveguide

The invention provides a lighting unit comprising a waveguide for providing first light (111) having a first spectral distribution and second light (121) having a second spectral distribution emanating from a waveguide (100) in different directions, wherein the first spectral distribution and second spectral distribution differ. For instance, the first light (111) and the second light (121) have different color temperatures.

LIGHTING APPARATUS

A wavelength converting unit includes: an incident portion configured to be connected to an excited-light emitting end of a excited-light source, and on which excited light emitted from the excited-light source is made incident; a wavelength converting member configured to convert the excited light into wavelength-converted light of a desired wavelength; a light transmitting member configured to transmit the excited light and the wavelength-converted light; a reflector configured to reflect at least part of the wavelength-converted light; and an emitting portion configured to emit at least part of the at least part of the wavelength-converted light reflected by the reflector to outside. At least part of the light transmitting member is continuously formed to extend from the incident portion to the emitting portion, and part of an external surface of the light transmitting member has the reflector. 1. A lighting apparatus comprising:a light source configured to emit light-source light;a first optical member configured to convert the light-source light into a wavelength-converted light of a desired wavelength, and emit the wavelength-converted light toward the light source; anda second optical member configured to emit the wavelength-converted light toward the first optical member again, a first area forming an area on which the wavelength-converted light emitted from the second optical member is made incident; and', 'a second area forming a boundary between the area on which the wavelength-converted light emitted from the second optical member is made incident and an area on which the wavelength-converted light is not made incident., 'the first optical member includes2. A lighting apparatus comprising:an excited-light source including an excited-light emitting end; anda wavelength converting unit, wherein an incident portion configured to be connected to the excited-light emitting end, and on which excited light emitted from the excited-light source is made incident ...

Light source apparatus, illuminator, and projector

A light source apparatus, an illuminator, and a projector that output a reduced light beam flux in a direction roughly the same as the direction of the optical axis of an incident light beam flux. The light source apparatus includes a light source unit that outputs a light beam flux and a reduction system that includes a plurality of optical elements and reduces the cross section of the light beam flux. The optical elements each have first and second surfaces and first and second reflection surfaces and allow a corresponding light beam of the light beam flux to pass through the first surface, to be incident on the first reflection surface, to be sequentially reflected off the first reflection surface and the second reflection surface, and then to exit through the second surface to shift the optical path of the light beam in a first direction.

LED LAMP

A light emitting diode lamp is composed of a light emitting diode, a band-pass filter and a light angle adjuster. The filter has a light cutoff function to cut off a light ray with a specific wavelength. The light angle adjuster allows the light rays emitted from the diode to be incident on the filter at incident angles of less than or equal to a maximum incident angle up to which the filter is capable of exerting the light cutoff function. The light angle adjuster is a reflector. The diode is mounted to a bottom portion. The filter is mounted to an opening. On an imaginary cross section including the optical axis, an angle formed between the optical axis and a straight line is less than or equal to the maximum incident angle, the straight line connects the emission center and an edge of the opening. 1. A light emitting diode lamp comprising:a light emitting diode;a band-pass filter having a light cutoff function to cut off a light ray with a specific wavelength included in light rays emitted from the light emitting diode; anda light angle adjuster allowing the light rays emitted from the light emitting diode to be incident on the band-pass filter at angles of less than or equal to a maximum incident angle up to which the band-pass filter is capable of exerting the light cutoff function, wherein,the light angle adjuster is a reflector including a reflective surface defined by a paraboloid of revolution,the light emitting diode is mounted to a bottom portion of the reflective surface,the band-pass filter is mounted to an opening of the reflective surface, andon an imaginary cross section including the optical axis of the light emitting diode, an angle formed between the optical axis and an straight line is less than or equal to the maximum incident angle, the straight line connects the emission center of the light emitting diode and an edge of the opening of the reflective surface.2. A light emitting diode lamp comprising:a light emitting diode;a band-pass filter ...

Reflector and lamp comprised thereof

Embodiments of a lamp that utilizes a reflector and a light source with light-emitting diode (LED) devices to generate an optical intensity distribution substantially similar to that of a conventional incandescent light bulb. These embodiments utilize an operation configuration with parameters that define relationships between components of the lamp to generate the optical intensity distribution. These parameters can, in one example, set out the position of the reflector relative to the light source as well as the ratio between dimensions of the reflector and the light source. In one embodiment, the reflector is in position relative to the light source to form a blocking area proximate the light source that defines a part of the lamp that does not diffuse light.

Processes for preparing color stable manganese-doped phosphors

Low-HF or HF-free processes for improving color stability of a Mn+4 doped phosphor of formula I include contacting the phosphor of formula I with a solution that contains hexafluorosilicic acid, and isolating a treated phosphor of formula I having improved color stability relative to an untreated phosphor of formula I Ax[MFy]:Mn+4 (I) wherein A is Li, Na, K, Rb, Cs, R4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.

LAYER MATERIAL FOR ARRANGING ON A ROTOR BLADE TIP OF A HELICOPTER, HELICOPTER LIGHT SYSTEM, AND HELICOPTER COMPRISING THE SAME

In an embodiment, a layer material configured to be arranged on a rotor blade tip of a helicopter comprises at least one light emitting or reflecting section that emits or reflects light after being exposed to a remote light source. The light source can be arranged on the body of the helicopter.

Light emitting diode illumination system

The present invention provides a light engine having four light sources. A combination of collimators, bandpass filters, dichroic mirrors, and other elements is operative to direct light from the light sources onto a main optical axis from where it may be focused into a light guide for transport to an instrument or device. Particular embodiments of the invention provide for computer control, intensity control, color control, and light source modulation. Additional embodiments include particular light sources including light pipes and lasers. The light engine provides white light having a high color rendering index and suitable for applications in microscopy, endoscopy, and/or bioanalytical instrumentation.

Lamp

A luminaire including a luminaire housing and a transparent or translucent cover. The illuminants and associated electric or electronic components can be arranged in the luminaire housing and the cover is detachably connected to the luminaire housing. A filter for spectrally filtering the light emitted by the illuminants is assigned to the cover. The spectral filtering is adapted to filter light in at least a certain spectral range, in which a certain animal is more sensitive than a human being.

Multiple-LED emitter for A-19 lamps

An LED (light-emitting diode) high-power wide-angle A-19 lamp needs only a single LED emitter having multiple LEDs. The LED A-19 lamp includes a lamp envelop structure configured for transmission of light therethrough and a base structure coupled to a lower portion of the lamp envelop structure for coupling to an external power source. The dimensions of the lamp envelop structure and the base structure conform to requirement of a conventional A-19 lamp. The LED emitter includes a plurality of light-emitting diodes (LEDs) disposed in a single recess in a substrate and a single lens disposed over the LEDs and the substrate. In a specific embodiment, the emitter is configured to consume electrical power of 30 Watts or higher and to provide light distribution at 130 degrees or wider at 50% peak intensity without additional secondary optical components.

Illumination device

Proposed is an illumination device (100), comprising a light source (110) such as an LED or a laser diode, a wavelength conversion medium (120) such as a phosphor, and a periodic antenna array (300) made of a highly polarisable material such as a metal. The light source emits primary wavelength light that at least partially is converted in secondary wavelength light by the wavelength conversion medium. The periodic antenna array is positioned in close proximity to the wavelength conversion medium and functions to enhance the efficiency of the absorption and/or emission processes in the wavelength conversion medium through the coupling of the incident primary wavelength light or the emitted secondary light to surface lattice resonances that arise from the diffractive coupling of localized surface plasmon polaritons in the individual antennas of the array. This is especially advantageous for forming low étendue illumination device suitable for use in projection systems, or for controlling ...

LUMINESCENT MATERIAL WITH TEXTURED PHOTONIC LAYER

The invention relates to a luminescent material comprising a face coated with a textured layer, the texture of said layer comprising identical features distributed uniformly over said face, said layer decreasing the angle of the extraction cone of light emitted by said luminescent material and passing through said face. The luminescent material may be of the scintillator type or of the wavelength converter type.

Lighting unit with heat-dissipating chimney

The invention provides systems and methods for providing illumination. A lighting unit may have a support structure, and one or more light emitting elements supported by a circuit board contacting the support structure. A first optical element and a second optical element may be provided. A remote luminescent material may be provided on one or more optical elements. Light emitting elements configured to excite the luminescent material such as highly efficient light emitting diodes may be directed towards the luminescent material. The support structure may be a heat dissipating element, which may conduct heat from a heat source to a surface of the support structure. The heat dissipating element may have a passageway permitting the formation of a convection path to dissipate heat from the support structure. Such lighting units may be used to replace conventional fluorescent light tubes or other lighting devices, or may be provided as standalone lighting units.

Surfасе light sоurсе dеviсе using light еmitting diоdеs

А surfасе light sоurсе dеviсе using light еmitting diоdеs, thе dеviсе inсluding: а hоusing hаving а tоp оpеning tо еmit light; а light еmitting diоdе bоаrd dispоsеd оn аn innеr bоttоm surfасе оf thе hоusing, thе bоаrd оn whiсh а plurаlitу оf light еmitting diоdеs аrе аrrаngеd; аnd а соlоr соnvеrsiоn lаminаtе fоrmеd bу dеpоsiting а plurаlitу оf phоsphоr-miхеd rеsin lауеrs соntаining phоsphоrs, thе lауеrs dispоsеd аt а tоp оf thе оpеning оf thе hоusing аnd prоviding light hаving diffеrеnt wаvеlеngths.

РАСТЕНИЕВОДЧЕСКОЕ ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО И СПОСОБ СТИМУЛИРОВАНИЯ РОСТА РАСТЕНИЙ И БИОРИТМА РАСТЕНИЯ

Изобретение относится к растениеводческому осветительному устройству, к способу стимулирования роста растений и биоритма растения, к светильнику, содержащему упомянутое растениеводческое осветительное устройство, и к растениеводческому сооружению, содержащему упомянутое растениеводческое осветительное устройство или упомянутый светильник. Осветительное устройство содержит твердотельный источник света, выполненный с возможностью излучения прямого красного света, имеющего длину волны, равную 600-680 нм, предпочтительно 640-680 нм, и элемент преобразования длины волны, выполненный с возможностью приема по меньшей мере части упомянутого прямого красного света, излучаемого из упомянутого твердотельного источника света, и преобразования упомянутого принимаемого прямого красного света в дальний красный свет, имеющий максимальную длину волны излучения, равную 700-760 нм, предпочтительно 720-760 нм. Способ стимулирования роста растений и биоритма растения содержит этапы, на которых формируют прямой ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ПОЛИМЕРСОДЕРЖАЩИМИ МАТРИЦАМИ

... 1. Осветительное устройство (1), включающее в себя (a) источник (100) света, предназначенный для получения света (110) источника света, и (b) прозрачное преобразовательное устройство (200), предназначенное для преобразования по меньшей мере части света (110) источника света, при этом прозрачное преобразовательное устройство (200) включает в себя первую полимерсодержащую матрицу (201), содержащую отдельные частицы (210), при этом отдельные частицы (210) включают в себя вторую полимерсодержащую матрицу с молекулярно диспергированным в ней люминесцентным материалом (212), при этом люминесцентный материал (212) включает органический краситель.2. Осветительное устройство (1) по п. 1, при этом отдельные частицы (210) имеют размеры в интервале 0,1 мкм-5 мм.3. Осветительное устройство (1) по любому из предшествующих пунктов, при этом отдельные частицы (210) имеют соотношения размеров по длине/ширине по меньшей мере 2.4. Осветительное устройство (1) по п. 1 или 2, при этом первая полимерсодержащая ...

ИСТОЧНИК СВЕТА С НАСТРОЕННЫМ СПЕКТРАЛЬНЫМ РАСПРЕДЕЛЕНИЕМ

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ОПТИЧЕСКИМ ЭЛЕМЕНТОМ, ИМЕЮЩИМ КАНАЛ ТЕКУЧЕЙ СРЕДЫ

ЛАМПЫ НА ОСНОВЕ СИД И СИСТЕМЫ УПРАВЛЕНИЯ ТЕПЛОМ ОТ НИХ

... 1. Лампа, содержащая:источник (54) света на основе светоизлучающего диода СИД, излучающий свет в первом направлении; иоптически проницаемый элемент (50), взаимодействующий оптически и с возможностью теплопередачи с источником (54) света на основе СИД, при этом оптически проницаемый элемент (50) сконфигурирован с возможностью передачи через него тепла, создаваемого источником (54) света на основе СИД, в окружающее пространство, по существу, в первом направлении.2. Лампа по п.1, дополнительно содержащая оптическую систему (55), оптически взаимодействующую с источником (54) света на основе СИД и сконфигурированную с возможностью направления света к оптически проницаемому элементу (50).3. Лампа по п.2, дополнительно содержащая уплотнительную систему, в которой оптическая система и оптически проницаемый элемент определяют внутреннее пространство, причем уплотнительная система, оптическая система и оптически проницаемый элемент совместно герметизируют внутреннее пространство от окружающего пространства ...

УНИВЕРСАЛЬНОЕ ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С ТВЕРДОТЕЛЬНЫМИ ИСТОЧНИКАМИ СВЕТА

... 1. Осветительное устройство, имеющее ось симметрии, которое содержит:кожух, содержащий по меньшей мере цоколь и колбу, соединенную с цоколем;светодиоды, расположенные на печатной плате внутри кожуха на первой окружности с первым центром, который лежит на оси симметрии; иотражатель, представляющий собой часть непрерывного тела вращения кривой второго порядка, первая фокальная точка которого находится внутри колбы, и множество вторых фокальных точек расположено на непрерывной второй окружности, совпадающей с первой окружностью, причем отражатель отражает свет с малым углом расхождения лучей, излучаемый светодиодами, в направлении первой фокальной точки и далее сквозь колбу.2. Осветительное устройство по п.1, в котором первая фокальная точка совпадает со второй центральной точкой колбы.3. Осветительное устройство по п.1, в котором печатная плата расположена на плоскости, перпендикулярной оси симметрии осветительного устройства.4. Осветительное устройство по п.1, в котором кожух содержит корпус ...

СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО

УЗЕЛ СВЕТОИЗЛУЧАЮЩЕГО УСТРОЙСТВА, ЛАМПА И СВЕТИЛЬНИК

... 1. Узел светоизлучающего устройства (200, 502) содержащий:окно (312, 408) выхода света для излучения света во внешнюю среду узла светоизлучающего устройства,первый источник (214) света, выполненный с возможностью излучать свет (206) в синей области спектра,люминесцентный слой (208), расположенный на окне выхода света и расположенный на расстоянии от первого источника (214) света, и выполненный с возможностью принимать свет (206) от первого источника (214) света, при этом люминесцентный слой (208) содержит люминесцентный материал, выполненный с возможностью поглощать часть принятого света (206) в синей области спектра и преобразовывать часть принятого света в свет (202) зеленой области спектра,отражающую область (212, 306, 352, 406) для по меньшей мере частичного отражения света в направлении люминесцентного слоя (208),второй источник (210) света, выполненный с возможностью излучать свет (204) в оранжевой, оранжевой/красной или красной области спектра, причем второй источник (210) света ...

ТВЕРДОТЕЛЬНЫЙ ИСТОЧНИК СВЕТА БОЛЬШОЙ ЯРКОСТИ

... 1. Твердотельный источник света, содержащий- один или несколько лазерных диодов (1), испускающих лазерный луч с первой длиной волны,- вращающуюся подложку (6), размещенную на пути лазерного луча,- причем упомянутая вращающаяся подложка (6) сформирована из кольца или из оптически прозрачного диска, установленного с возможностью вращения вокруг оси (9) вращения так, что лазерный луч падает на кольцевую область (7) вращающейся подложки (6) во время вращения,- причем один или несколько сегментов упомянутой кольцевой области (7) содержат по меньшей мере один преобразующий длину волны материал (8, 13, 14), испускающий при падении лазерного луча излучение со второй длиной волны или с диапазоном длин волн, отличных от упомянутой первой длины волны, и- отражатель (4), размещенный между лазерным(и) диодом(ами) (1) и вращающейся подложкой (6) и выполненный с возможностью- позволять проходить лазерному лучу через участок отражателя (4),- собирать излучение (11), испущенное из места падения (12) лазерного ...

AUTOSCHEINWERFER MIT VERBESSERTER STRAHLCHROMATIZITÄT

Illumination device for illuminating e.g. floor in building, has beam elements arranged such that emission side of one of elements is aligned on function side of another element for deflecting light beam of former beam element

The device (10) has beam elements (12, 22) comprising respective mounting sides, function sides (13, 23) and emission sides (14, 24), where the emission sides emits light beams (15, 25) generated by the respective beam elements. The emission sides are arranged between the respective mounting sides and function sides. The beam elements are arranged to each other such that the emission side of one of the beam elements is aligned on the function side of another beam element for deflecting the beam of the former beam element in the direction away from the mounting side of the latter beam element. The beam elements comprise radiation arrangements with LEDs.

LICHTQUELLE

VORRICHTUNG ZUR WEICHEN BESTRAHLUNG

VARIABLE COLOUR LIGHT

A variable colour light filter comprises a filter screen 4 having a plurality of coloured sections, each section being of one colour; a masking member having a plurality of opaque sections so sized and shaped that, in use, the masking member 5 masks part, but not all, of the screen; and means 8 diffusing the light which passes, in use, through the unmasked part of the screen; the screen and the masking member being movably mounted with respect to one another, and the arrangement being such that the colour of the light passing through the filter may be varied by altering the relative position of the masking member and the screen. ...

Improved electric light fitting

... 180,038. Fletcher, J. Y., and Saunders, C. W. Feb. 16, 1921. Shade-holders; globes; shades.-In electric light fittings of the indirect or semi-indirect type in which a bowl 3 is supported beneath the lamp 2 by suspension chains 4, and a second translucent bowl-shaped screen a is fitted over the lamp to prevent shadows from being cast by the chains 4, the screen a is adjustably carried on the lamp by means of a ring b having two sets of arms, of which the upstanding spring-like arms c exercise a grip on the lamp 2, while the other arms d are bent under the upper part of the screen a and serve to hold it in position. The screen a may be provided with a. frosted tubular extension or with a frosted inturned edge.

Method of using reflected and direct light from light-emitting diodes, providing ambient light to create a fully formed ambient lighting solution

Optical cells for modular luminaires

An optical cell 10 for forming a luminaire comprises a light collector element 14, a cover element 15 attached to the light collector element 14, and a transmission element 16 mounted between the light collector element 14 and the cover element 15. The light collector element 14 receives light from LEDs (32, Fig. 3b) mounted on a circuit board (30, Fig. 3b) and attachment means 55, 65 mechanically attaches the light collector element 14 to the cover element 15 and secures the transmission element 16 therebetween. The cover element 15 has an internal surface 62 defining a cavity 63. The transmission element 16 comprises at least one planar optical element that exhibits a predetermined optical activity or function in its transmission of light incident thereon.

MIRROR REFLECTOR FOR THE REDUCTION OF THE INFRARED PORTION IN THE RADIATED LIGHT

LIGHT

Apparatus for generating a variable light in its spectral composition

Die Erfindung betrifft eine Anordnung (100) zum Erzeugen eines in seiner spektralen Zusammensetzung veränderbaren Lichts, aufweisend ein Mittel zum Erzeugen eines Primärlichts (A), eine Farbkonversionseinrichtung (30), welche dazu ausgebildet ist, auftreffendes Primärlicht (A) zumindest teilweise in Licht einer anderen spektralen Zusammensetzung umzuwandeln, wobei die Farbkonversionseinrichtung (30) zumindest zwei räumlich getrennte Farbkonversionsmaterialien (351-353) aufweist, welche auftreffendes Primärlicht (A) in unterschiedlicher Weise beeinflussen, ebenfalls aufweisend Umlenkmittel (20), welche dazu ausgebildet sind, das Primärlicht (A) wahlweise auf die verschiedenen Farbkonversionsmaterialien (351-353) zu richten, sowie eine Steuereinheit (5), welche abhängig von einer gewünschten spektralen Zusammensetzung die Umlenkmittel (20) ansteuert.

LED-STRAHLER MIT REFLEKTOR

The invention relates to an LED emitter, preferably for white light, comprising: - an LED module (5) having a plurality of LED Chips (7, 7') on a carrier (6), - a light-transmissive medium (8), below which the LED chips are accommodated, - a reflector (2) laterally surrounding the LED chips (7, 7'), characterized in that a diffusing cap (900) is arranged within the reflector (2), wherein the diffusing cap (900) encloses the LED chips (7, 7').

FILTER HOLDING DEVICE FOR LIGHTING MECHANISMS

Automotive headlamps with improved beam chromaticity

Lamp

A LIGHT EMITTING DEVICE

A light emitting device (1) is provided comprising a plurality of first solid state light sources (21, 22, 23, 24, 25, 211) adapted for, in operation, emitting first light (13) with a first spectral distribution, and a first light guide (3) comprising a first light input surface (31), a first end surface (32) extending in an angle different from zero with respect to each other and at least one first further surface (33, 34, 35, 36) extending parallel to the first light input surface (31), the plurality of first solid state light sources (21, 22, 23, 24, 25, 211) being arranged at the first light input surface (31). The first light guide (3) is adapted for receiving the first light (13) with the first spectral distribution at the first light input surface (31), and guiding at least a part of the first light (13) with the first spectral distribution to the first end surface (32). The light emitting device further comprises at least one first optical element (91), which is adapted for shaping ...

Illumination device and image display apparatus

An illumination device includes: an excitation light source that emits excitation light having a first wavelength; a fluorescent substance that, when irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength and transmits a part of the excitation light, and thereby multiplexes and emits the transmitted excitation light having the first wavelength and the emitted excitation light having the second wavelength; and a driving unit that moves an irradiation position of the excitation light in the fluorescent substance with the passage of time.

A fluorescent glass with multi-layer structure and making the same and a lighting device

LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE

A light-emitting device (50) includes a light-emitting element (60), a ceramic substrate (70) having an installation surface (70a) on which the light-emitting element (60) is installed and a non-installation surface (70b) on the reverse of the installation surface (70a) on which the light-emitting element (60) is not installed, and a metal reflective film (90) formed on the non-installation surface (70b). The metal reflective film (90) reflects the light from the light-emitting element (60), which passed through the ceramic substrate (70).

LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY DEVICE

The present invention is provided with: a laser light source; a circular substrate (6) having a fluorescent body (5) that emits light, with light from the laser light source being the excitation light; a wheel motor (7) for causing the circular substrate (6) to rotate; a dichroic prism that reflects light from the laser light source and transmits light from the fluorescent body (5); a diffusion plate (19a) for diffusing light from the laser light source; and a plate spring (20a) for connecting the diffusion plate (19a) and the wheel motor (7).

PHOSPHOR SHEETS

A light converter, and lights and displays incorporating the light converter are disclosed together with methods of making the light converter. The light converter has a substrate having a first layer of phosphor particles disposed on an area of one surface of the substrate. The first layer has a thickness of about 1 monolayer of phosphor particles, and the phosphor particles in the first layer form a uniform and dense layer. The thickness of the substrate can be between about 25 μm and about 500 μm in embodiments intended to be flexible and between about 0.5 mm and 2 mm in embodiments that can be formed into rigid shapes. The screen weight of the phosphor particles is between about 0.5 mg/cm2 and about 40 mg/cm2. The substrate can include a base layer and an adhesive layer.

Light module for a projection apparatus and method for generating the blue component in a light module for a projection apparatus

A light module for a projection apparatus, comprising a laser apparatus adapted to emit linearly polarized radiation in the blue wavelength range, a luminous wheel arranged in the beam path of the radiation emitted by the laser apparatus, a first beam splitter arranged in the beam path of the radiation emitted by the laser apparatus between the laser apparatus and the luminous wheel, a focusing apparatus arranged in the beam path of the radiation emitted by the laser apparatus between the first beam splitter and the luminous wheel, and at least one polarization manipulation apparatus, adapted to rotate the polarization of radiation that has passed through it twice in different directions through 90°, wherein the first beam splitter is arranged such that it is also located in the beam path of radiation in the blue wavelength range which has passed twice through the polarization manipulation apparatus in different directions.

GRID STRUCTURE ON A TRANSMISSIVE LAYER OF AN LED-BASED ILLUMINATION MODULE

An illumination module includes a plurality of Light Emitting Diodes (LEDs). A grid structure is present on a transmissive layer over the LEDs, such as an output window, to form a plurality of color conversion pockets. A portion of the pockets are coated with a first type of wavelength converting material while other portions of the pockets are coated with a different type of wavelength converting material.

Wavelength conversion component

A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices.

Lamp device with color-changeable filter

A lamp device includes a supporting frame, a light emitting diode (LED) array source, a light filter, two end caps and two couples of electrodes. The LED array source is disposed on the supporting frame. The light filter is arc-shaped and combined with the supporting frame as a tubular structure, wherein the arc surface of the light filter is a light emitting surface of the LED array source. The light filter is used for absorbing a ray in a specific wavelength range of the emitting light of the LED array source. The two end caps are disposed at two ends of the tubular structure respectively. The two couples of electrodes are disposed at two ends of the tubular structure and mounted on the two end caps respectively for electrically connecting to the LED array source.

Light assembly

Light assembly having reflector ( 17 ), a light source ( 22 ), an outer light cover ( 12 ) having a first color zone ( 15 ) and a second, different color or clear zone ( 16 ), and an inner lens ( 19 ) with a transflective surface. Embodiments of light assemblies described herein are useful, for example, as signs, backlights, displays, task lighting, luminaire, and vehicle (e.g., cars, trucks, airplanes, etc.) components. Vehicle comprising light assemblies include those where the light assembly is a vehicle tail light assembly.

Led illumination apparatus

An LED illumination apparatus realizes wide light distribution by increasing the angular range of radiation, and achieves uniform intensity of light through the arrangement of the position of a plurality of light sources. The LED illumination apparatus includes a substrate, a first light source disposed on a peripheral area of the substrate, a second light source disposed on an inner area of the substrate, and a reflector disposed between the first light source and the second light source, wherein the reflector is configured to reflect light that is generated by the first light source.

Light source apparatus and image display apparatus using the same

A light source apparatus includes: an excitation light source including a laser light source; a first wheel that is controlled to rotate, and includes, in a part of a surface thereof to be illuminated by excitation light emitted from the excitation light source, a phosphor layer to be excited by the excitation light; a dichroic mirror that guides fluorescence emitted from the phosphor layer of the first wheel and the excitation light to an illumination optical system; and a second wheel that is controlled to rotate, and includes a dichroic filter that transmits light having a desired wavelength component of each of the fluorescence and the excitation light output from the dichroic mirror.

Electronically Controlled Stage Lighting System

A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output.

LIGHTING APPARATUS

A lighting apparatus according to an exemplary embodiment includes a light source including a light emitting element, a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source, and a reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body. 1. A lighting apparatus comprising:a light source including a light emitting element;a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source; anda reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body.2. The apparatus according to claim 1 , wherein a thickness dimension of a portion of the reflection layer near the light source is thicker than a thickness dimension of a portion far from the light source.3. The apparatus according to claim 1 , wherein the thickness dimension of the reflection layer is uniform.4. The apparatus according to claim 1 , wherein the thickness dimension of the reflection layer becomes gradually thicker as the reflection layer gets closer to the light source.5. The apparatus according to claim 1 , wherein the thickness dimension of the reflection layer becomes progressively thicker as the reflection layer gets closer to the light source.6. The apparatus according to claim 1 , wherein the thickness dimension of the reflection layer is equal to or greater than 10 micrometers and is equal to or less than 2 millimeters.7. The apparatus according to claim 1 , wherein the reflection layer is provided in at least a portion on which light emitted from the light source hits.8. The apparatus according to claim 1 , wherein the reflection layer is white.9. The apparatus according to claim 1 , wherein resin substantially not containing halogen and phosphorous contains at least ...

LIGHTING EFFECT DEVICE AND ELECTRIC DEVICE

A lighting effect device is provided, which is used for equipment with an operation surface that has a reflective characteristic. The lighting effect device includes at least a light supply unit for forming a light layer above the operation surface. The light layer is not crossed with the operation surface, where at least part of light of the light layer forms a visible lighting effect around an operator after reflected by the operator entering the light layer. The device requires less light sources and no position detection, so that the device is inexpensive and reliable. At the same time, a dodging layer and/or a reflective layer improve lighting effect and provide user a better experience. 1. A lighting effect device , used for an apparatus having an operation surface with the operation surface having a reflective characteristic , characterized in that , the lighting effect device comprises:at least one light-supplying unit for forming a light-layer above the operation surface, wherein, the light-layer has no intersection with the operation surface, and at least part of the light from the light-layer, after being reflected by an operation body which enters into the light-layer, forms a visible optical-effect around the operation body.2. The lighting effect device according to claim 1 , characterized in that claim 1 , the lighting effect device further comprises:a light-uniforming unit, formed by substances with non-uniform optical properties and provided on the operation surface;at least part of the light from the light-layer enters into the light-uniforming unit after being reflected by an operation body which enters into the light-layer, then the light which enters into the light-uniforming unit forms the visible optical-effect in the scattering effect of the light-uniforming unit.3. The lighting effect device according to claim 1 , characterized in that claim 1 , the lighting effect device further comprises:a light-uniforming unit, formed by substances with ...

Illumination device

An illumination device includes a point light source disposed on a base substrate, a package in which the point light source is sealed with a wavelength converter for converting a wavelength of light from the point light source, an optical member for controlling light from the package, a housing with an attachment face for holding the optical member and a bonding part for holding the package, and a circuit board on which the package is mounted. A space is provided between the wavelength converter and the optical member. The bonding part of the housing is directly positioned and fixed to a reference face of the package. This makes the heat generated from the LED chip released via the housing. Accordingly, a heat quantity transferred to the lens can be reduced.

LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE

A light-emitting device combining a first luminous flux control member having a total reflection surface and emitting light from an emission surface in a narrow angle range centered mainly on an optical axis, and a second luminous flux control member arranged to surround the total reflection surface of the first luminous flux control member. The second luminous flux control member () of the light-emitting device is provided with a second incidence surface () and a second emitting surface (). Of the light emitted from the light-emitting element (), the light incident to the second incidence surface () is within a range of angles θ larger than a largest angle to the optical axis of the light incident to the first luminous flux control member (). The second emitting surface () controls the light incident to the second incidence surface () to have light distribution characteristics different from those of the light emitted from the first luminous flux control member (), and emits the light. 1. A light-emitting device comprising a light-emitting element and a flux control member that receives light from the light-emitting element and controls a traveling direction of incident light , wherein:the flux control member and the light-emitting element are disposed such that a center axis of the flux control member aligns with an optical axis of the light-emitting element; a first flux control member that receives part of the light from the light-emitting element, controls and emits the incident light in such a way that the emitted light has a predetermined distribution characteristic; and', 'a second flux control member that receives light from the light-emitting element not incident on the first flux control member, controls and emits the incident light in such a way that the emitted light has a predetermined distribution characteristic;, 'the flux control member comprises a first incident surface that receives part of the light from the light-emitting element;', 'a total- ...

Clarifying Filter

The clarifying filter is a visual enhancement device in which Liquids, Plasmas, Crystals, or other transparent, translucent, or other non-opaque materials are sandwiched between supporting layers to provide the diffusion provided by such materials to enhance the light provided by a light source. 1) A visual enhancement device comprising:a) two or more non-porous support sheets, at least one of said support sheets being transparent, said support sheets each having at least one edge and said sheets being fastened at said edges to form a single cavity;b) one or more clarifying sheets, said clarifying sheets composed of a Liquid, excluding both liquid crystal and Silicone, said visual enhancement device constructed from clarifying sheets interleaved between transparent sheets, at least one of said clarifying sheets being disposed within said cavity.2) The visual enhancement device of further comprising a light source from the group consisting of incandescent claim 1 , fluorescent claim 1 , Light emitting diode claim 1 , cathode ray tube claim 1 , liquid crystal display claim 1 , electroluminescent claim 1 , phosphorescent claim 1 , plasma claim 1 , and plasma addressed liquid crystal display.3) The visual enhancement device of wherein one or more of the support sheets is integral to a light source.4) The visual enhancement device of further comprising a light source from the group consisting of incandescent claim 3 , fluorescent claim 3 , Light emitting diode claim 3 , cathode ray tube claim 3 , liquid crystal display claim 3 , electroluminescent claim 3 , phosphorescent claim 3 , plasma claim 3 , and plasma addressed liquid crystal display.5) The visual enhancement device of wherein one of said support sheets is a minor.6) The visual enhancement device of further comprising a light source from the group consisting of incandescent claim 5 , fluorescent claim 5 , Light emitting diode claim 5 , cathode ray tube claim 5 , liquid crystal display claim 5 , electroluminescent ...

Nanowire enhanced transparent conductor and polarizer

An electrically conducting wire pattern constructed from nanometer or micrometer dimension wires. The electrically conducting wire pattern can be designed with various geometries, including rectangular, triangular and circular arrays, and combinations of such patterns. The electrically conducting wire pattern can provide improved optically transmissive electrical conductors and can provide improved polarizers for use with various electrical and optical devices and components.

Tube type led lighting assembly

An LED lighting assembly includes a concave reflector, a supporter located in a central region of the concave reflector, and multiple LEDs mounted on the supporter. The supporter has a first face and a second face, and an angle is formed between the first face and the second face.

PHOSPHOR COATING FILMS AND LIGHTING APPARATUSES USING THE SAME

A lighting apparatus includes a circuit board having a highly reflective top surface; at least one LED chip mounted on the top surface of the circuit board, the at least one LED chip being operable to emit light of a first color. A phosphor film having an arcuate inner surface is configured to maintain a predetermined finite distance from the at least one LED chip, the phosphor film being disposed such that light emitted from the LED chip radiates upon the phosphor film, the inner surface of the phosphor film hooding the top surface of the circuit board so as to form a multi-reflection zone to reduce light absorption by the at least one LED chip and reduce direct light leakage from between the phosphor film and the top surface of the circuit board. The phosphor film containing phosphors that down convert at least a portion of the light of the first color into light of a second color, that when mixed together with the first color produces visible white light. 1. A lighting apparatus comprising:a circuit board having a highly reflective top surface;at least one LED chip mounted on the top surface of the circuit board, the at least one LED chip being operable to emit light of a first color;a phosphor film having an arcuate inner surface configured so as to maintain a predetermined finite distance from the at least one LED chip, the phosphor film being disposed such that light emitted from the LED chip radiates upon the phosphor film, the inner surface of the phosphor film hooding the top surface of the circuit board so as to form a multi-reflection zone to reduce light absorption by the at least one LED chip and reduce direct light leakage from between the phosphor film and the top surface of the circuit board, the phosphor film containing phosphors that down convert at least a portion of the light of the first color emitted by the at least one LED chip into light of a second color, having a longer wavelength than the first color, the first and second colors, when ...

Luminescent Device for the Conversion of Pump Light

A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted. 1. A luminescent device , comprising:a luminescent substance provided for the conversion of pump light into converted light; anda scattering body having an entry face for input of the pump light, scattering centers provided in its volume and an exit face for output of the converted light,wherein the scattering body is configured to scatter pump light, propagating in the scattering body after input in a principal propagation direction making an angle of at most 30° with the exit face, by said scattering centers, in such a way that converted light passes through the exit face in a principal emission direction at an angle of at least 60°.2. The luminescent device as claimed in claim 1 , wherein luminescent particles distributed in the scattering body volume are provided as said scattering centers.3. The luminescent device as claimed in claim 1 , wherein the scattering body comprises a luminescent element claim 1 , which is adjacent to the volume containing the scattering centers and the side of which facing away from this interface with the volume corresponds to the exit face.4. The luminescent device as claimed in claim 1 , wherein the scattering centers are distributed nonuniformly in the scattering body.5. The luminescent device as claimed in claim 1 , wherein a filter which is at least partially nontransmissive for pump light is provided on the exit face.6. The luminescent device as claimed in claim 1 , wherein the scattering body has a reflection face claim 1 , and the latter is configured to reflect the pump light after input into the scattering body claim 1 , in such a ...

LIGHT EMITTING MODULE

There is provided a light emitting module including: a printed circuit board; a plurality of light emitting diode chips disposed at a distance from one another on a conductive pattern formed on a top of the printed circuit board; and a connector formed on a bottom of the printed circuit board and electrically connected to the plurality of light emitting diode chips. The light emitting diode chips and the connector are optimally arranged to ensure that the light emitting module is suitably utilized as a high-density linear light source including a great number of light emitting diode chips and emits light outward with minimum loss. 119-. (canceled)20. A light emitting module comprising:a printed circuit board having a conductive pattern;a plurality of light emitting diode chips on printed circuit board;a resin part covering each of the plurality of light emitting diode chips and made of a silicone; anda connector formed on at least one surfaces of the printed circuit board and electrically connected to the plurality of light emitting diode chips,wherein the connector comprises at least one of female and male connectors formed in an outward direction of the printed circuit board,a terminal area of the connector for a connection with an external terminal located beneath the plurality of light emitting diode chips, andthe resin part contains phosphor particles thereby allowing the light emitting module to emit white light.21. The light emitting module of claim 20 , wherein the resin part has a lens shape.22. The light emitting module of claim 20 , further comprising a heat sink formed on the bottom of the printed circuit board.23. The light emitting module of claim 22 , wherein the heat sink is formed by depositing a high thermal conductive material of metal or AlN.24. The light emitting module of claim 20 , wherein the light emitting diode chips are directly mounted on the printed circuit board.25. The light emitting module of claim 20 , wherein the connector is ...

Lighting devices with color-tuning materials and methods for tuning color output of lighting devices

A lighting device may include a housing interior, a light exit, a light source, and a light converter. Output light is outputted from the light exit by emitting primary light from the light source. In response, the light converter emits secondary light of one or more wavelengths different than the primary wavelength, and the output light includes a combination of the primary light and the secondary light. The color of the output light may be tuned by adjusting a color parameter of the output light. The adjustment includes adding a color tuning material at a location in the housing interior where primary light is incident on the color tuning material. The color tuning material is configured for emitting auxiliary light in response to the incident primary light. Subsequently, the lighting device produces color-tuned output light that includes a combination of the primary light, the secondary light and the auxiliary light.

SYSTEM AND METHOD FOR CONTROLLING SCATTERED LIGHT IN A REFLECTIVE OPTICAL FILTER

A system including a housing configured to receive a light emitted from an illumination source, a reflective filter system within the housing configured to direct a certain wavelength of the light emitted from the illumination source towards a target, and a baffle system configured to remove scattered light from the light emitted from the illumination source prior to the certain wavelength of light illuminating the target. A method and another system are also disclosed. 1. A system comprising:a housing configured to receive a light emitted from an illumination source;a reflective filter system within the housing configured to direct a certain wavelength of the light emitted from the illumination source towards a target; anda baffle system configured to remove scattered light from the light emitted from the illumination source prior to the certain wavelength of light illuminating the target.2. The system according to claim 1 , further comprising an aperture through which the light claim 1 , having passed through the filter system and baffle system claim 1 , leaves the housing to illuminate the target.3. The system according to claim 1 , wherein the reflective filter system is further configured to remove scattered light from the light emitted from the illumination source.4. The system according to claim 1 , wherein the reflective filter system comprises a plurality of reflective surfaces claim 1 , each reflective surface further comprising a coating configured to reflect the certain wavelength of the light emitted from the illumination source.5. The system according to claim 4 , wherein the plurality of reflective surfaces are configured within the housing to reflect the light emitted from the illumination source in a sequence from a first reflective surface of the plurality of reflective surfaces to a last reflective surface of the plurality of reflective surfaces prior to illuminating the target.6. The system according to claim 1 , wherein the baffle system ...

Lighting device with remote lumiphor and non-planar optical element

A lighting device includes an electrically activated emitter, a lumiphoric material spatially segregated from the emitter, and an optical element arranged between the emitter and the lumiphoric material, wherein at least a portion of the optical element is curved or includes a non-planar shape. The optical element may include a reflective material disposed proximate to at least one peripheral edge and/or may include at least one peripheral edge that is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material.

REFLECTIVE POLARIZING FILM, MANUFACTURING METHOD THEREOF, POLARIZING PLATE AND BACKLIGHT ASSEMBLY COMPRISING THE REFLECTIVE POLARIZING FILM

A reflective polarizing film includes a transparent substrate, and a reflective layer unidirectionally elongated to be formed on one side of the transparent substrate, wherein the reflective layer is composed of nanowire particles, and 80% or more of the nanowire particles are aligned at an angle of −10° to 10° with respect to an elongation direction. 1. A reflective polarizing film comprising:a transparent substrate; anda reflective layer unidirectionally elongated to be formed on one side of the transparent substrate,wherein the reflective layer is composed of nanowire particles, and80% or more of the nanowire particles are aligned at an angle of −10° to 10° with respect to an elongation direction.2. The reflective polarizing film of claim 1 , wherein the transparent substrate is a water-swellable substrate.3. The reflective polarizing film of claim 2 , wherein the transparent substrate is manufactured by using polyvinyl alcohol or a cellulose polymer.4. The reflective polarizing film of claim 1 , wherein the reflective layer is elongated at a ratio of 50% to 1000% to be formed.5. The reflective polarizing film of claim 1 , wherein a thickness of the reflective layer is 50 nm to 1000 nm.6. The reflective polarizing film of claim 1 , wherein a thickness of the reflective layer is 80 nm to 500 nm.7. The reflective polarizing film of claim 1 , wherein the nanowire particles are metal and inorganic materials.8. A method of manufacturing a reflective polarizing film claim 1 , the method comprising the steps of:a) swelling a transparent substrate to have a swelling ratio of 40% or more and less than 60% by using a swelling solution;b) coating a solution comprising nanowire particles onto one side of the swelled transparent substrate;c) unidirectionally elongating the coated transparent substrate;d) predrying the elongated transparent substrate; ande) drying the predried transparent substrate.9. The method of claim 8 , wherein the transparent substrate is a water- ...

LED-BASED ILLUMINATION MODULES WITH THIN COLOR CONVERTING LAYERS

An illumination module includes a plurality of Light Emitting Diodes (LEDs). The illumination module may include a reflective color converting element with a PTFE layer and a color converting layer fixed to the PTFE layer. The color converting layer includes phosphor particles embedded in a polymer matrix and has a thickness that is less than five times an average diameter of the phosphor particles. The illumination module may include a transmissive color converting element. The color converting elements may be produced by mixing a polymer binder with a solvent and phosphor particles to form a homogeneous suspension of the phosphor particles. The homogeneous suspension is applied to a surface to form an uncured color converting layer, which is heated to vaporize the solvent. The cured color converting layer includes the phosphor particles suspended in the polymer binder 1. A method comprising:mixing a polymer binder with a solvent and a plurality of phosphor particles to form a homogeneous suspension of the phosphor particles;applying the homogeneous suspension to a surface of a transparent substrate to form an uncured color converting layer; andheating the uncured color converting layer to vaporize the solvent to form a cured color converting layer, wherein the cured color converting layer includes the phosphor particles suspended in the polymer binder, and wherein a thickness of the cured color converting layer on the transparent substrate is less than five times an average diameter of the phosphor particles.2. The method of claim 1 , further comprising:enclosing the color converting layer between the first transmissive element and a second transmissive element with a seal that fixedly couples the first and second transmissive elements.3. The method of claim 1 , further comprising:encapsulating the color converting layer on the first transmissive element with a sealing element.4. The method of claim 1 , wherein the heating involves heating the uncured color ...

LIGHT SOURCE DEVICE AND PROJECTOR

A light source device includes a first light source, a fluorescent material, a second light source, and a synthesis member. The synthesis member includes a visible light reflecting film, and a transmitting window which is disposed in the visible light reflecting film to transmit the visible light. The second light source, the fluorescent material and the synthesis member are mutually arranged in such positional relations that the transmitting window is positioned along optical axis of light emitted from the second light source and that generated light emitted from the fluorescent material is reflected in an optical axis direction of the light emitted from the second light source by the visible light reflecting film. 1. A light source device comprising:a first light source which emits excitation light of a first wavelength bandwidth;a fluorescent material which receives the excitation light from the first light source to generate light of a second wavelength bandwidth which is different from the first wavelength bandwidth;a second light source which emit lights of wavelength bandwidth which is different from the second wavelength bandwidth; anda synthesis member including a visible light reflecting film which reflects visible light, and a transmitting window which is disposed in the visible light, reflecting film to transmit the visible light,wherein the second light source, the fluorescent material and the synthesis member are mutually arranged in such positional relations that the transmitting window of the synthesis member is positioned along optical axis of the light emitted from the second light source and that the generated light emitted from the fluorescent material is reflected in an optical axis direction of the light emitted from the second light source by the visible light reflecting film of the synthesis member.2. The light source device according to claim 1 ,wherein the first light source, the fluorescent material and the synthesis member are mutually ...

LIGHT SOURCE DEVICE AND PROJECTOR

A light source device includes first to third light sources, a fluorescent material, and a dichroic mirror. The dichroic mirror is constituted so that excitation light emitted from the first light source is transmitted through the dichroic mirror and applied to the fluorescent material, light of a first wavelength bandwidth emitted from the second light source is transmitted through the dichroic mirror and emitted in a predetermined emitting direction, generated light emitted from the fluorescent material is reflected by the dichroic mirror and emitted in the predetermined emitting direction, and at least a part of light of a second wavelength bandwidth from the third light source passes the outside of the dichroic mirror without entering the dichroic mirror, and is emitted in the predetermined emitting direction. 1. A light source device comprising:a first light source which emits an excitation light;a second light source which emits light of a first wavelength bandwidth;a third light source which emits light of a second wavelength bandwidth different from the first wavelength bandwidth;a fluorescent material which receives the excitation light from the first light source to emit generated light of a third wavelength bandwidth different from the first and second wavelength bandwidths; anda dichroic mirror which transmits the light of the first wavelength bandwidth and reflects the light of the third wavelength bandwidth,wherein the dichroic mirror is constituted so that the excitation light emitted from the first light source is transmitted through the dichroic mirror and applied to the fluorescent material, the light of the first wavelength bandwidth emitted from the second light source is transmitted through the dichroic mirror and emitted in a predetermined emitting direction, the generated light emitted from the fluorescent material is reflected by the dichroic mirror and emitted in the predetermined emitting direction, and at least a part of the light of the ...

LIGHT SOURCE

A light source comprising an excitation light source () for providing excitation light, and an optical wavelength conversion member disposed at a distance from the excitation light source. The optical wavelength conversion member comprises an optical wavelength conversion material () for converting the excitation light into stimulated light. The light source also comprises an optical-guiding member that allows the excitation light to be incident on the optical wavelength conversion material, and an optical-collecting member (A) for collecting stimulated light originating from the optical wavelength conversion material. To separate the paths of the stimulated light and the excitation light, the etendue of the optical-guiding member is less than or equal to ¼ of the etendue of the optical-collecting member. This allows the optical-guiding member to draw in the excitation light while preventing the excessive escape of the stimulated light through the optical-guiding member. The advantages of the light source are that it can separate the paths of the excitation light and the stimulated light, the light path is simple, and the optical members are easy to manufacture. 1. A light source device , comprising:an excitation light source providing an excitation light;a wavelength conversion device located remotely from the excitation light source, including a wavelength conversion material for converting the excitation light into a converted light;a light introducing device for directing the excitation light onto the wavelength conversion material; anda light collecting device for collecting the converted light from the wavelength conversion material,wherein an etendue of the light introducing device is less than or equal to ¼ of an etendue of the light collecting device.2. The light source device of claim 1 , wherein the light collecting devices further collects an un-absorbed portion of the excitation light from the wavelength conversion material.3. The light source device of ...

Illumination Device

A lighting device, comprising at least one reflector, at least one luminous region containing phosphor, and at least one laser, wherein the at least one luminous region is adapted to be excited to emit light by at least one laser and at least part of the light emitted by the at least one luminous region is incident on the at least one reflector. 1. A lighting device , comprising at least one reflector , at least one luminous region containing phosphor , and at least one laser , wherein the at least one luminous region is adapted to be excited to emit light by at least one laser and at least part of the light emitted by the at least one luminous region is incident on the at least one reflector.2. The lighting device as claimed in claim 1 , wherein at least one optical integrator for combining the light emitted from the at least one reflector is disposed downstream of the at least one reflector.3. The lighting device as claimed in claim 1 , wherein the at least one phosphor region is arranged on a rotating phosphor carrier.4. The lighting device as claimed in claim 3 ,wherein the rotating phosphor carrier has a plurality of phosphor regions which emit light of different colors,wherein a filter wheel having a plurality of filter segments is disposed optically downstream of the rotating phosphor carrier,wherein the filter wheel is synchronized with the rotating phosphor carrier, andwherein the filter segments of the filter wheel have a transmission property coordinated with the light emitted by the phosphor regions.5. The lighting device as claimed in claim 3 , wherein the rotating phosphor carrier has a plurality of segments that can be illuminated by the at least one laser claim 3 , wherein at least one segment has a respective phosphor region and at least one segment has a window for the wavelength-invariant transmission of light incident on the window.6. The lighting device as claimed in claim 1 ,wherein the lighting device is designed to split light emerging from ...

LIGHT SOURCE SYSTEM AND IMAGE PROJECTION SYSTEM

A light source system using an excitation light source and a multi-segmented color wheel device with wavelength conversion materials is disclosed. The color wheel device includes a first area having two or more first segments and a second area having two or more second segments for receiving the excitation light. The color wheel device is driven by the driving device periodically, so that a first light sequence is generated by the two or more first segments in the first working mode and a second light sequence is generated by the two or more second segments in the second working mode. The first light sequence is different from the second light sequence. The first and second working modes are switched by a switching device. The light source system may be used in image projection system generating two or more different lights sequences in different working modes. 1. A light source system , comprising:a light source for generating an excitation light;a moving color device disposed to receive the excitation light, the moving color device including a first area and a second area, wherein the first area includes two or more first segments, and the second area includes two or more second segments;a driving device for driving the moving color device to move periodically to generate a first light sequence in a first working mode and to generate a second light sequence in a second working mode, wherein the first light sequence contains first lights generated sequentially by the two or more first segments and the second light sequence contains second lights generated sequentially by the two or more second segments, the first light sequence being different from the second light sequence; anda switching device for switching the moving color device between the first working mode and the second working mode.2. The light source system of claim 1 , wherein the excitation light impinges on the first area in the first working mode and the two or more first segments in the first area ...

Led light emitting apparatus having a light guiding device to achieve a uniform color distribution

An LED light emitting apparatus includes an LED light source, a light guiding device and an emitting window. The emitting window is covered with a phosphor layer. Light emitted directly from the LED light source is first transmitted to the light guiding device and then guided by the light guiding device towards the emitting window to evenly excite the phosphor layer.

Light emitting diode illumination system

The present invention provides a light engine having four LED light sources in combination with one or more laser light sources. A combination of collimators, bandpass filters, dichroic mirrors, and other elements is operative to direct light from the light sources onto a main optical axis from where it may be focused into a light guide for transport to a instrument or device. Particular embodiments of the invention provide for computer control, intensity control, color control, and light source modulation. The light engine provides light suitable for applications in microscopy, endoscopy, and/or bioanalytical instrumentation.

Internally cooled fluorescent device and reflector lamp arrangement comprising said fluorescent device

A dual fluorescent wheel with two disk-shaped carrier elements which are interconnected by wing-type cooling ribs is disclosed. When the dual fluorescent wheel rotates, air flows in through an axial opening in one of the carrier elements, the air flows radially through the interspace between the carrier elements or the wing-type cooling ribs and flows out at the edge. This airflow improves the dissipation of heat which is produced when an excitation laser irradiates the annular fluorescent strips located on the two exterior faces.

Led lamp

The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source.

LASER-BASED WHITE LIGHT SOURCE

A device for generating white light is provided that includes at least one light source and at least one conversion medium. The light source emits light in the blue and/or ultraviolet spectral range. The light from the light source is generated by a laser and the light from the light source is focused by an optical system onto the conversion medium. The conversion medium converts at least part of the incident light into a different spectral range. 117-. (canceled)18. A device for generating white light , comprising:at least one laser that emits light in the blue and/or ultraviolet spectral range;at least one conversion medium; andan optical system that focuses the light onto the at least one conversion medium such that the focus of light is in the conversion medium and such that the conversion medium converts at least part of the light into a different spectral range.19. The device as claimed in claim 18 , wherein the at least one laser comprises at least one semiconductor laser.20. The device as claimed in claim 18 , further comprising a beam shaping element arranged in an optical path upstream the at least one conversion medium claim 18 , the beam shaping element being configured to alter an intensity distribution of the light from the at least one laser.21. The device as claimed in claim 18 , wherein the optical system comprises an optical element selected from the group consisting of a refractive optical element claim 18 , a reflective optical element claim 18 , a diffractive optical element claim 18 , and combinations thereof.22. The device as claimed in claim 18 , wherein the optical system has a numerical aperture that is greater than 0.45.23. The device as claimed in claim 18 , wherein the optical system has a numerical aperture that is greater than 0.6.24. The device as claimed in claim 18 , wherein the optical system has a numerical aperture that is greater than 0.8.25. The device as claimed in claim 18 , further comprising optics downstream of the at ...

COLOR CONVERSION OCCLUSION AND ASSOCIATED METHODS

A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure, or alternatively passed through the enclosure, as it is directed in the desired output direction. 1. A light converting device comprising:an enclosure that is at least one of transparent and translucent;an occlusion; anda conversion material located adjacent to and generally conforming to a contour of at least part of the occlusion;wherein at least part of the occlusion is located within the enclosure to receive a source light within a source wavelength range;wherein the conversion material is configured to convert a source light to a converted light within a converted wavelength range;wherein the occlusion is adapted to reflect the converted light through the enclosure to a desired output direction.2. The light converting device of further comprising an occlusion support connected to the enclosure and the occlusion.3. The light converting device of wherein the conversion material is selected from the group consisting of phosphors claim 1 , quantum dots claim 1 , luminescent materials claim 1 , and fluorescent materials.4. The light converting device of wherein the conversion material comprises a first conversion element configured to convert the source light to a first converted light within a first conversion wavelength range and a second conversion element configured to convert the source light to a second converted light within a second conversion wavelength range.5. The light converting device of wherein the source light is a polychromatic light having a plurality of wavelength ranges.6. The light converting device of wherein the ...

Lighting apparatus

A lighting apparatus includes a circuit board, at least one LED, an optical element, a lampshade and at least one fluorescent material. The LED is disposed on the circuit board. The optical element is disposed above the LED, and has at least one reflective surface so that light emitted from the LED to the optical element partially penetrates through and is partially reflected by the optical element. The lampshade covers the circuit board, the LED and the optical element. The fluorescent material is doped within the lampshade.

ILLUMINATION SYSTEM AND PROJECTION APPARATUS

An illumination system including a plurality of first light emitting elements, a wavelength-converting unit, a first reflector and a second reflector is provided. The first light emitting elements respectively emit a plurality of exciting beams. The wavelength-converting unit is disposed on transmission paths of the exciting beams and converts the exciting beams into a first color light beam. The first reflector is disposed on the transmission paths of the exciting beams, and disposed between the first light emitting elements and the wavelength-converting unit. The first reflector has a hole. The exciting beams from the first light emitting elements are reflected by the first reflector. The second reflector reflects the exciting beams, reflected by the first reflector, to the wavelength-converting unit. The exciting beam reflected by the second reflector is transmitted to the wavelength-converting unit through the hole. A projection apparatus is also provided. 1. An illumination system comprising:a plurality of first light emitting elements capable of emitting a plurality of exciting beams;a wavelength-converting unit disposed on transmission paths of the exciting beams to convert the exciting beams into a first color light beam, wherein a wavelength of the first color light beam is different from a wavelength of the exciting beams;a first reflector disposed on the transmission paths of the exciting beams and disposed between the first light emitting elements and the wavelength-converting unit, wherein the first reflector has a hole, and the exciting beams from the first light emitting elements are reflected by the first reflector; anda second reflector disposed between the first light emitting elements and the first reflector to reflect the exciting beams, reflected by the first reflector, to the wavelength-converting unit, wherein the exciting beams reflected by the second reflector are transmitted to the wavelength-converting unit through the hole.2. The ...

Lighting Systems and Methods of Using Lighting Systems for In Vitro Potency Assay for Photofrin

Presently disclosed is a lighting system and methods of using the lighting system for in vitro potency assay for photofrin. The lighting system includes a lamp housing, a first lens, an infrared absorbing filter, an optical filter, and a second lens. The lamp housing includes a lamp and a light-port. In operation, broad spectrum light from the lamp exits the lamp housing by passing through the light-port. The first lens then collimates the broad spectrum light that exits the lamp housing through the light-port. The infrared absorbing filter then passes a first portion of the collimated broad spectrum light to the optical filter and absorbs infrared light of the broad spectrum light. The optical filter then passes a second portion of the collimated broad spectrum light to the second lens. The second lens then disperses the second portion of the collimated light to provide uniform irradiation of a cell culture plate. A method of using the lighting system for studying a photosensitizer is also disclosed.

LIGHTING APPARATUS

Lighting apparatus comprising a light source emitting primary light; a reflector device with first and second focal points; a rotatable light wheel with two functional regions; a primary light device irradiated by the light source and having functionally assigned to it one of the functional regions as a primary light functional region, the first focal point being located at the primary light device; a utility light device to which is functionally assigned another of the functional regions as a utility light functional region, the second focal point being located at the utility light device; a primary light functional region having in a first rotational position of the light wheel at least one phosphor sensitive to the primary light; and a utility light functional region being transmissive to the light whose wavelength is converted by the primary light functional region. 1. A lighting apparatus having comprising:at least one first light source for emitting primary light;a reflector device with a first focal point and a second focal point;at least one rotatable light wheel with at least two functional regions;a primary light device that can arranged to be irradiated by the at least one first light source, the primary light device having functionally assigned to it one of the functional regions as a primary light functional region, and the first focal point being located in the region of the primary light device;a utility light device to which is functionally assigned another of the functional regions as a utility light functional region, the second focal point being located in the region of the utility light device;a primary light functional region assigned to the primary light device having, at least in a first rotational position of the light wheel, at least one phosphor sensitive to the primary light emitted by the light source; anda utility light functional region assigned to the utility light device being transmissive at least to the light whose wavelength is ...

LIGHTING UNIT HAVING LIGHTING STRIPS WITH LIGHT EMITTING ELEMENTS AND A REMOTE LUMINESCENT MATERIAL

The invention provides systems and methods for providing illumination. A lighting unit may have a support structure, and one or more light emitting elements supported by a circuit board contacting the support structure. A first optical element and a second optical element may be provided. A remote luminescent material may be provided on one or more optical elements. Light emitting elements configured to excite the luminescent material such as highly efficient light emitting diodes may be directed towards the luminescent material. The support structure may be a heat dissipating element, which may conduct heat from a heat source to a surface of the support structure. The heat dissipating element may have a passageway permitting the formation of a convection path to dissipate heat from the support structure. Such lighting units may be used to replace conventional fluorescent light tubes or other lighting devices, or may be provided as standalone lighting units. 147.-. (canceled)48. A lighting unit comprisingat least one light source;a first, at least partially reflective, surface configured to mask the at least one light source and prevent a direct line-of-sight to the at least one light source from outside the lighting unit; anda second, at least partially reflective, surface configured to receive light reflected from the first surface and redistribute the light reflected from the first surface in one or more directions.49. The lighting unit of claim 48 , wherein the first surface and the second surface are diffusers with optically transmissive or reflective qualities.50. The lighting unit of claim 48 , wherein the second surface in includes clear sections or cutouts that permit transmission of the light.51. The lighting unit of claim 48 , wherein the at least one light source is oriented in a direction that is not a primary direction of the final distribution of light from said lighting unit.52. The lighting unit of wherein the at least one light source claim 48 , ...

LIGHTING DEVICE

A lighting device comprises a housing; a coupling member coupled to the housing, comprising a first outer surface and a second outer surface, and having an insertion recess disposed between the first outer surface and the second outer surface; a first reflector disposed between the first outer surface of the coupling member and the housing; a second reflector disposed between the second outer surface of coupling member and the housing; and a light source unit comprising a first body and a second body, wherein the first body comprises a first coupling unit coupled to a first inner surface of the insertion recess and a first light emitting device emitting lights to the first reflector, wherein the second body comprises a second coupling unit coupled to a second inner surface of the insertion recess and a second light emitting device emitting lights to the second reflector. 1. A lighting device comprising:a housing;a coupling member coupled to the housing, comprising a first outer surface and a second outer surface, and having an insertion recess disposed between the first outer surface and the second outer surface;a first reflector disposed between the first outer surface of the coupling member and the housing;a second reflector disposed between the second outer surface of coupling member and the housing; anda light source unit comprising a first body and a second body,wherein the first body comprises a first coupling unit coupled to a first inner surface of the insertion recess and a first light emitting device emitting lights to the first reflector,wherein the second body comprises a second coupling unit coupled to a second inner surface of the insertion recess and a second light emitting device emitting lights to the second reflector.2. The lighting device of claim 1 , wherein the first coupling unit of the first body includes an one surface claim 1 , wherein the one surface contacts with the first inner surface of the insertion recess claim 1 , and wherein the ...

LIGHT SOURCE MODULE AND LIGHT SOURCE ASSEMBLY HAVING THE SAME

A light source module includes a light source unit which generates a light; a light emitting part spaced apart from the light source unit and comprising a light emitting surface; and a light transmitting part which transmits the light generated by the light source unit to the light emitting part. The light emitting part emits the light transmitted by the light transmitting part, through the light emitting surface. 1. A light source module comprising:a light source unit which generates a light;a light emitting part spaced apart from the light source unit and comprising a light emitting surface; anda light transmitting part which transmits the light generated by the light source unit to the light emitting part,wherein the light emitting part emits the light transmitted by the light transmitting part, through the light emitting surface.2. The light source module of claim 1 , wherein the light emitting part further comprises:upper and lower reflective surfaces facing each other; anda rear reflective surface connecting the upper and lower reflective surfaces with each other, and connected to the light transmitting part.3. The light source module of claim 2 , wherein the light emitting surface of the light emitting part has a curved shape claim 2 , and each of the upper and lower reflective surfaces has a half-circular plate shape.4. The light source module of claim 2 , wherein the light generated by the light source unit is a blue light.5. The light source module of claim 4 , wherein the upper and lower reflective surfaces claim 4 , the rear reflective surface and the light emitting surface form a receiving space of the light emitting part claim 4 , and a light converting material in the receiving space, wherein the light converting material converts the blue light to a white light, and', 'an enclosing material in the receiving space, wherein the enclosing material encloses the light converting material in the receiving space., 'the light emitting part further comprises6 ...

ILLUMINATION LIGHT BEAM FORMING DEVICE, ILLUMINATION LIGHT SOURCE DEVICE AND IMAGE DISPLAY DEVICE

An illumination light beam forming device, including a first light source unit projecting a ring shaped light beam group, a second light source unit projecting light beams including a case the light beams being group, a combining unit for combining the light beam group projected from the first light source unit and light beams projected from the second light source unit, in which the combing unit includes a reflecting part formed to reflect one of the light beam groups, a transmitting part disposed able to transmit the other one of the light beam groups, and light beams projected from the second light source unit are disposed at an internal side of the light beam groups projected from the first light source unit when the two light beam groups are viewed from a plane including the reflecting part. 1. An illumination light beam forming device , comprising:a first light source unit projecting a ring shaped light beam group,a second light source unit projecting light beams including a case the light beams being group,a combining unit for combining the light beam group projected from the first light source unit and light beams projected from the second light source unit, whereinthe combing unit includes a reflecting part formed to reflect one of the light beam groups, a transmitting part disposed able to transmit the other one of the light beam groups, andlight beams projected from the second light source unit are disposed at an internal side of the light beam groups projected from the first light source unit when the two light beam groups are viewed from a plane including the reflecting part.2. An illumination light beam forming device according to claim 1 , whereinwhen the two light beam groups are viewed from a plane including the reflecting part, one light beam group is disposed at a periphery encircling the other central light beam group such that a plurality of the solid light sources of the light source unit is arrayed in ring shape.3. An illumination light beam ...

Backlight Unit And Display Device

Embodiments of the invention provide a backlight unit and a display device. The backlight unit comprises at least one light emitting component and at least one reflection support component, wherein the light emitting component comprises a plurality of element surfaces disposed obliquely and a plurality of luminophore disposed on the element surfaces, the reflection support component comprises a plurality of reflective surfaces disposed obliquely. 1. A backlight unit , comprising:at least one light emitting component and at least one reflection support component, wherein the light emitting component comprises a plurality of element surfaces disposed obliquely and a plurality of luminophors disposed on the element surfaces, the reflection support component comprises a plurality of reflective surfaces disposed obliquely.2. The backlight unit of claim 1 , wherein the element surfaces of the light emitting component form a pyramid structure claim 1 , and the reflective surfaces of the reflection support component also form a pyramid structure.3. The backlight unit of claim 1 , wherein each of the reflective surfaces of the reflection support component is in correspondence with an element surface of the light emitting component.4. The backlight unit of claim 3 , wherein a luminophor is disposed on each of the element surfaces of the light emitting component.5. The backlight unit of claim 4 , further comprising a backplate and a bottom reflector claim 4 , wherein the backplate supports the whole backlight unit claim 4 , the bottom reflector covers a part of the backplate claim 4 , the light emitting component is disposed on another part of the backplate claim 4 , and the reflection support component is disposed on the bottom reflector.6. The backlight unit of claim 5 , wherein a bracket is further provided on the backplate claim 5 , the bracket is for supporting the reflection support component.7. The backlight unit of claim 1 , wherein a height of the light emitting ...

Lamp to enhance photosynthesis and pest control and an oxygen generator having the same

A lamp to enhance photosynthesis and pest control includes an light emitting diode (LED) light source having a emission wavelength ranging from 400 nm to 460 nm and the LED light source generating light and a first fluorescent material exposed to the light. The present invention also provides an oxygen generator including the lamp to enhance photosynthesis and pest control according to the present invention and a plant.

OPTICAL-WAVELENGTH CONVERTING WHEEL COMPONENT

An optical-wavelength converting wheel component comprises a motor () and an optical-wavelength converting wheel (). The optical-wavelength converting wheel () comprises an optical-wavelength converting material layer () and at least one functional layer adjacent to the optical-wavelength converting material layer (), particularly the optical-wavelength converting wheel () further comprises at least one spacing layer (), which is a thin gap spaced between the location of the optical-wavelength converting material on the optical wavelength converting material layer () and the functional layer, arranged between the optical-wavelength converting material layer () and the functional layer. Brightening can be realized in low cost by means of adopting a light source comprising the optical-wavelength converting wheel component. 1. A wavelength conversion wheel device comprising:a motor; anda wavelength conversion wheel,wherein the wavelength conversion wheel includes a wavelength conversion material layer and at least one functional layer adjacent the wavelength conversion material layer,wherein the wavelength conversion wheel further includes at least one spacing layer disposed between the wavelength conversion material layer and the functional layer, such that at a location of a wavelength conversion material on the wavelength conversion material layer, the wavelength conversion material layer is spaced apart from the functional layer by a gap no thicker than 10% of a width of the wavelength conversion material in a radial direction.2. The wavelength conversion wheel device of claim 1 , wherein the wavelength conversion material is distributed in a ring shaped area of the wavelength conversion material layer claim 1 , wherein the spacing layer includes a hollow region at a location corresponding to the ring shaped area claim 1 , and wherein a thickness of the spacer layer is less than 10% of a width of the ring shaped area.3. The wavelength conversion wheel device of ...

ILLUMINATION LIGHT SOURCE DEVICE, PROJECTION DEVICE INCLUDING THE ILLUMINATION LIGHT SOURCE DEVICE AND METHOD TO CONTROL THE PROJECTION DEVICE

An illumination light source device includes a reflection-transmission wheel provided on a light-path from an excitation light source and having a transmission region that transmits an excitation light and a reflection region reflecting the excitation light, a fluorescent wheel provided on at least one of the reflection light-path and the transmission light-path and having a fluorescent body emitting fluorescence when excited by the excitation light, and a control section turning-on the excitation light source while the boundary of the transmission region and the reflection region traverses the light-path, in order to provide an illumination light source device capable of preventing a deterioration of the fluorescent body, whereby improving a color reproducibility by use of the color mixture occurred at the boundary region between the transmission light-path and the reflection light-path effectively and improving the brightness of image. 1. An illumination light source device comprising:a reflection-transmission member provided on an exit light-path of an excitation light from an excitation light source and having a transmission region transmits an excitation light as an optical wavelength and a reflection region reflecting the excitation light from the excitation light source, in which the transmission region and the reflection region sequentially traverses the exit light-path of the excitation light from the excitation light source;a fluorescent body member provided on at least one of the reflection light-path formed of the reflection region and the transmission light-path formed of the transmission region and having a fluorescent body emitting fluorescence when excited by the excitation light; anda control section turning-on the excitation light source while the boundary of the transmission region and the reflection region of the reflection-transmission wheel traverses the light-path of the excitation light.2. The illumination light source device according to ...

ILLUMINATION LIGHT SOURCE SYSTEM, PROJECTOR HAVING THE SAME, AND METHOD OF CONTROLLING PROJECTOR

An illumination light source system includes an excitation light source; a reflection/transmission member having a transmission area which transmits excitation light from the excitation light source and a reflection area which reflects the excitation light, the transmission area and the reflection area sequentially crossing an emission light path of the excitation light source; a fluorescent member provided in at least one of a reflection light path of the excitation light reflected by the reflection area and a transmission light path of the excitation light transmitted through the transmission area, the fluorescent member being provided with a phosphor which generates a color different from that of the excitation light by excitation with the excitation light; and a controller which reduces a light volume of the excitation light source while a boundary area between the transmission area and the reflection area of the reflection/transmission member is located on the emission light path. 1. An illumination light source system , comprising:an excitation light source;a reflection/transmission member having a transmission area which transmits excitation light from the excitation light source and a reflection area which reflects the excitation light, the transmission area and the reflection area sequentially crossing an emission light path of the excitation light source;a fluorescent member provided in at least one of a reflection light path of the excitation light reflected by the reflection area and a transmission light path of the excitation light transmitted through the transmission area, the fluorescent member being provided with a phosphor which generates a color different from that of the excitation light by excitation with the excitation light; anda controller which reduces a light volume of the excitation light source while a boundary area between the transmission area and the reflection area of the reflection/transmission member is located on the emission light ...

LIGHT EMITTING DEVICE AND LIGHTING SYSTEM HAVING THE SAME

Disclosed are a light emitting device. The light emitting device includes a body having a cavity; a plurality of lead frames in the cavity; a light emitting chip; a first molding member having a first metal oxide material around the light emitting chip; and a second molding member having a second metal oxide material on the first molding member and the light emitting chip, wherein the light emitting chip includes a reflective electrode layer under a light emitting structure, wherein a top surface of the first molding member extends from a region between a top surface of the light emitting chip and a lateral side of the reflective electrode layer at a predetermined curvature, and wherein a bottom surface of the second molding member includes a curved surface which is convex toward the first molding member. 1. A light emitting device comprising:a body having a cavity;a plurality of lead frames in the cavity;a light emitting chip on at least one of the lead frames;a first molding member around the light emitting chip, in which a first metal oxide material is added to the first molding member; anda second molding member on the first molding member and the light emitting chip, in which a second metal oxide material is added to the second molding member,wherein the light emitting chip comprises:a light emitting structure including a plurality of compound semiconductor layers; anda reflective electrode layer under the light emitting structure,wherein a top surface of the first molding member extends from a region between a top surface of the light emitting chip and a lateral side of the reflective electrode layer at a predetermined curvature, andwherein a bottom surface of the second molding member corresponding to the top surface of the first molding member includes a curved surface which is convex toward the first molding member.2. The light emitting device of claim 1 , wherein the top surface of the first molding member is disposed between the light emitting chip and an ...

LIGHT SOURCE UNIT AND PROJECTOR

The invention includes an excitation light source, a light distribution adjusting member on which excitation light from the excitation light source is incident, and a luminescent material which emits luminous light of a different wavelength from that of the excitation light by the excitation light which passes through the light distribution adjusting member being shone on thereto, wherein the excitation light source is disposed so that the excitation light is incident on a light incident surface of the light distribution adjusting member at a predetermined angle. 1. A light source unit comprising:an excitation light source;a light distribution adjusting member on which excitation light from the excitation light source is incident; anda luminescent material which emits luminous light of a different wavelength from that of the excitation light by the excitation light which passes through the light distribution adjusting member being shone on thereto, whereinthe excitation light source is disposed so that the excitation light is incident on a light incident surface of the light distribution adjusting member at a predetermined angle.2. The light source unit according to claim 1 , whereinthe light distribution adjusting member is disposed so that the luminous light enters the light distribution adjusting member from an opposite direction to a direction in which the excitation light enters the light distribution adjusting member.3. The light source unit according to claim 1 , further comprising:a mirror which reflects at least the luminous light towards an exterior of the light source unit and which is disposed between the excitation light source and the light distribution adjusting member.4. The light source unit according to claim 1 , further comprising:a mirror which reflects the luminescent light towards an exterior of the light source unit and which is disposed between the excitation light source and the light distribution adjusting member, whereinthe excitation ...

FLUORESCENT WHEEL, LIGHT SOURCE DEVICE AND PROJECTOR

A fluorescent substrate includes a base having a reflective surface and a flat bottom surface, and a fluorescent layer disposed on the reflective surface of the base such that the reflective surface of the base directs, outward from the wheel, fluorescence emitted from the fluorescent layer due to its excitation by exciting light. The reflective surface of the base has an array of minute reflective structures formed thereon so as to reflect, outward from the reflective surface, fluorescence emitted substantially parallel to the flat bottom surface of the base from the fluorescent layer. 1. A fluorescent substrate comprising:a base having a reflective surface; anda fluorescent layer formed by disposing a fluorescent substance on the reflective surface of the base;wherein fluorescence emitted from the fluorescent substance due to its excitation by exciting light is emitted from a side of the base on which the fluorescent substance is disposed;wherein the reflective surface of the base has a minute. reflective structure formed thereon such that fluorescence emitted in a flat direction of the base from the fluorescent layer is emitted outward, in a perpendicular direction intersecting the flat direction, from the side of the base on which the fluorescent substance is disposed;wherein the minute reflective structure comprises a plurality of recesses; andwherein a depth of each recess in the minute reflective structure is equal in value to a thickness of the fluorescent layer from a bottom surface to a top surface of the fluorescent layer.2. A light source device comprising an exciting light source and the fluorescent substrate of .3. A projector comprising:a display element;{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the light source device of ;'}a light source side optical system that guides light emitted from the light source device to the display element;a projection side optical system that projects projection light from the display element to a screen; anda ...

PHOTOLUMINESCENT VEHICLE APPLIQUES

A vehicle applique is provided that includes a decorative layer and an over-mold positioned over the decorative layer. The over-mold is substantially transparent. A semiconductor layer is positioned on an opposite side of the decorative layer from the over-mold. The semiconductor layer is configured to emit light through the decorative layer. 1. A vehicle applique , comprisinga decorative layer;an over-mold positioned over the decorative layer, the over-mold being substantially transparent;a light conversion layer positioned on an opposite side of the decorative layer from the over-mold and configured to convert ambient infrared illumination; andreflective layer configured to reflect light into the light conversion layer.2. (canceled)3. The vehicle applique of claim 1 , wherein the reflective layer comprises TiO.4. The vehicle applique of claim 3 , further comprising:an adhesive layer positioned on an opposite side of the reflective layer than the light conversion layer.5. The vehicle applique of claim 1 , wherein the light conversion layer comprises a plurality of quantum dots.6. The vehicle applique of claim 5 , wherein the plurality of quantum dots are suspended in polymethylmethacrylate.7. The vehicle applique of claim 1 , wherein the decorative layer is configured to be at least partially transmissive.8. A vehicle claim 1 , comprising:a grille; a decorative layer; and', 'a light conversion layer positioned on the decorative layer;', 'a reflective layer configured to reflect light into the light conversion layer; and, 'an applique positioned on the grille comprisinga light source positioned proximate the applique configured to emit infrared light onto the applique, wherein the light conversion layer is configured to be excited by the light from the light source.9. The vehicle of claim 8 , wherein the light conversion layer is configured to emit light through the decorative layer in response to excitation by the infrared light from the light source.10. (canceled) ...

LIGHTING DEVICE

A lighting device may include a circuit board with at least one LED chip thereon, sidewalls extending from the circuit board, and a phosphor cover supported on the sidewalls, wherein the circuit board, the phosphor cover, and the sidewalls define a cavity accommodating at least one LED chip, wherein the lighting device further comprises at least one optical member arranged in the cavity, and the optical member has an adjustable reflectivity to adjust the spectral power distribution of emitted light through the phosphor cover and/or the CCT of the emitted light. 1. A lighting device , comprising a circuit board with at least one LED chip thereon , sidewalls extending from the circuit board , and a phosphor cover supported on the sidewalls , and wherein the circuit board , the phosphor cover , and the sidewalls define a cavity accommodating at least one LED chip ,wherein the lighting device further comprises at least one optical member arranged in the cavity, and the optical member has an adjustable reflectivity to adjust the spectral power distribution of emitted light through the phosphor cover and/or the CCT of the emitted light.2. The lighting device according to claim 1 , wherein the reflectivity of the optical member can be adjusted in a range from a full reflection state to a reflection state finally to a non-reflection state.3. The lighting device according to claim 2 , wherein the reflectivity of the optical member in the reflection state is adjusted between a first range from 10% to 20% and a second range from 80% to 90%.4. The lighting device according to claim 2 , wherein the optical member has a plurality of regions claim 2 , the plurality of regions having different reflectivities.5. The lighting device according to claim 4 , wherein there are a plurality of the optical members claim 4 , the plurality of the optical members having reflectivities different from each other.6. The lighting device according to claim 1 , wherein the optical member is disposed ...

Apparatus for High Efficiency Laser Static Phosphor Module

In described examples, a body includes an opening in a central portion of a surface, a cavity having sides extending from the opening into the body, and a bottom surface within the body supporting a phosphor configured to emit light when energized by incoming light. In a further arrangement, the sides are tapered from the opening to the bottom surface, such that a cross sectional area of the opening is greater than a cross sectional area of the bottom surface. 1. Apparatus , comprising:a body including an opening in a central portion of a surface, a cavity having sides extending from the opening into the body, and a bottom surface within the body supporting a phosphor configured to emit light when energized by incoming light.2. The apparatus of claim 1 , wherein the sides are tapered from the opening to the bottom surface claim 1 , such that a cross sectional area of the opening is greater than a cross sectional area of the bottom surface.3. The apparatus of claim 1 , wherein the body includes a thermally conductive material.4. The apparatus of claim 1 , wherein the body includes a metal.5. The apparatus of claim 4 , wherein the metal further includes aluminum.6. The apparatus of claim 1 , wherein the phosphor is configured to emit light that is selected from the group consisting essentially of visibly green light and visibly red light.7. The apparatus of claim 1 , wherein the body is configured for light emitted from the phosphor to impinge the surfaces of the sides of the cavity.8. The apparatus of claim 7 , wherein the sides are coated with a reflective material.9. The apparatus of claim 1 , wherein a cross section taken through the body including the sides of the cavity forms a rectangular shape.10. The apparatus of claim 1 , wherein a cross section taken through the body including the sides of the cavity form a circular shape.11. The apparatus of claim 1 , wherein the phosphor has a curved bottom surface that is in thermal contact with a curved surface of the ...

LIGHT SOURCE SYSTEM AND PROJECTION DISPLAY APPARATUS

A light source system includes an excitation light source, a fluorescent plate that emits fluorescence when exposed to the excitation light from the excitation light source, and a compartment storing the fluorescent plate. The compartment has a heat-receiving section and a heat-dissipation section thermally connected to each other. The heat-receiving section is located opposite a fluorescence light output side of the fluorescent plate, in the compartment. The heat-dissipation section is outside the compartment. 1. A light source system comprising:an excitation light source;a fluorescent plate configured to emit fluorescence when exposed to excitation light from the excitation light source;a compartment configured to store the fluorescent plate;a lens which the excitation light is configured to pass through from an interior of the compartment to outside the interior of the compartment; and the compartment comprising a heat-receiving section having a heat-receiving surface and a heat-dissipation section thermally connected to each other,', 'the heat-receiving surface facing a fluorescence light output side of the fluorescent plate, in the compartment,', 'the heat-dissipation section being located outside the interior of the compartment and constituting a part of a surface of the compartment and constituting a part of a surface of the air-duct, and', 'the air-duct being located outside of and isolated from the compartment such that air does not flow from the air-duct to the compartment,', 'wherein the compartment includes a plurality of outer surfaces, and only one of the plurality of outer surfaces is facing the air-duct., 'an air-duct into which cooling air is configured to flow,'}2. The light source system according to claim 1 , wherein both the heat-receiving surface and the lens are located on a same side with respect to the fluorescence light output side of the fluorescent plate.3. The light source system according to claim 1 , wherein the fluorescent plate ...

LIGHTING DEVICE

LEDs () that emit illumination light and a cover unit () that houses the LEDs are provided. The cover unit is composed of a front cover part () that transmits, diffuses and reflects the illumination light from the LEDs and a rear cover part () that reflects the illumination light reflected at the front cover part again toward the front cover part. The front cover part and the rear cover part are integrally molded without a gap and the loss of light fluxes is therefore eliminated. Moreover, the uniformity of luminance distribution of the light-emitting surface is improved to solve the problem in that the side surfaces of the lighting device and the attaching surface (ceiling surface) are dark. 1. A lighting device comprising: an illumination light source that emits illumination light; a cover unit that houses the illumination light source; and a main body for attaching ,the cover unit comprising: a front cover part that transmits, diffuses and reflects the illumination light from the illumination light source; and a rear cover part that reflects and diffuses the illumination light reflected partially at the front cover part again toward the front cover part,the cover unit being configured such that the front cover part and the rear cover part are integrally molded.2. The lighting device as recited in claim 1 , further comprising a substrate holder that fixes a mounting substrate on which the illumination light source is mounted.3. The lighting device as recited in claim 2 , wherein the substrate holder is engaged with the rear cover part so as to be fixed to the rear cover part.4. The lighting device as recited in claim 2 , wherein the mounting substrate is pressed against the rear cover part by a biasing force of the substrate holder so as to be fixed to the rear cover part.5. The lighting device as recited in claim 1 , wherein the front cover part contains a yellow pigment. The present invention relates to a lighting device in which one or more LEDs are used as ...

LIGHT-EMITTING DEVICE WITH REFLECTIVE CERAMIC SUBSTRATE

A light-emitting device may include a ceramic substrate having a reflective component, a light-emitting diode on the ceramic substrate, and a light-converting material over the light-emitting diode. A lighting system may include a ceramic substrate having a reflective component, a plurality of light-emitting diodes connected together in series, wherein the plurality of light-emitting diodes are on the ceramic substrate, and a light-converting material over the plurality of light-emitting diodes. The ceramic substrate may provide electrical insulation between the light-emitting diode and the aluminum carrier. The ceramic substrate may provide thermal conductivity between the light-emitting diode and the aluminum carrier. The reflective component may include zirconium oxide. The ceramic substrate may include aluminum oxide and/or aluminum nitride. The light-converting material may include phosphor. The light-emitting diode may have an epitaxial diode structure.

LIGHTING DEVICES FOR ILLUMINATING PRINTED MATERIAL

Combinations of solid state light emitters, optionally arranged to stimulate one or more lumiphoric materials, are used to illuminate surfaces (e.g., upright surfaces) including printed material produced with CMY or CMYK inks. Vibrancy and/or efficacy may be enhanced by increasing the effective steepness of printed ink reflectance wavelength boundaries by illuminating printed material with solid state light emitters of multiple colors having tailored boundaries (e.g., increased separation between colors and/or increased energy in spectral areas highly reflected by CMY inks, or reducing energy of emissions at wavelengths to which the human eye is less sensitive). Lighting devices may include multiple operating modes having different gamut properties (e.g., relative gamut values). One or more subregions of an upright surface bearing printed material may be preferentially illuminated with an array of solid state light emitters including multiple emitters having different peak wavelengths. 1. A lighting device configured for illuminating a surface including printed material , the lighting device comprising:a plurality of solid state light emitter groups, wherein each solid state light emitter group of the plurality of solid state light emitter groups includes at least one first solid state light emitter arranged to generate first emissions comprising a first peak wavelength, and at least one second solid state light emitter arranged to generate second emissions comprising a second peak wavelength that differs by at least 40 nm from the first peak wavelength and differs by at least 40 nm from any other peak wavelength optionally generated by the at least one first solid state light emitter;wherein aggregate emissions of the lighting device include emissions of the plurality of solid state light emitter groups and provide a luminous flux of at least 2000 lumens; andwherein aggregate emissions of the lighting device comprise a luminous efficacy of at least 70 lumens per ...

Optical module

An optical module including at least one light source, a wavelength conversion member and a concave reflector is provided. Light emitted from the at least one light source enters the wavelength conversion member and then is sent out toward all directions. The concave reflector is disposed at one side of the wavelength conversion member, and a part of the light sent from the wavelength conversion member is reflected by the concave reflector.

OPTICAL ASSEMBLY AND OPTICAL MODULE

An optical assembly that is adapted to be located at a light path of light emitted from at least one light source and spaced apart from the at least one light source by a distance is provided. The optical assembly includes a wavelength converting device, which is a spatial structure, and a reflector. The reflector covers a portion of the wavelength converting device and exposes at least a portion of a region of at least one surface of the wavelength converting device. The light emitted from the at least one light source enters or leaves the wavelength converting device from at least the portion of area which is not covered by the reflector. An optical module including the light source and the optical assembly is further provided. 1. An optical assembly adaptable for being disposed at a light path of a light emitted by at least a light source and spaced apart from the at least one light source by a distance , comprising:a wavelength converting device formed to be a spatial structure; anda reflector covering a portion of the wavelength converting device and exposing at least a portion of a region of at least a surface of the wavelength converting device, wherein the light emitted by the at least one light source enters and leaves the wavelength converting device from a region of the wavelength converting device not being covered by the reflector.2. The optical assembly according to claim 1 , wherein shapes of the spatial structure comprise a pyramid claim 1 , a cone claim 1 , a column or a hemisphere.3. The optical assembly according to claim 1 , wherein the at least one surface of the wavelength converting device not being covered by the reflector is a single surface claim 1 , and the light emitted by the at least one light source enters and leaves the wavelength converting device from the single surface of the wavelength converting device.4. The optical assembly according to claim 1 , wherein the at least one surface of the wavelength converting device not being ...

DISPLAY LIGHT SOURCE

A display light source includes a light source, a color wheel, an optical module, and an actuator. The light source provides a light beam. The color wheel includes a first path segment and a second path segment. Each of the first path segment and the second path segment includes a reflective segment and at least one filtering segment. When the light beam impinges on the filtering segment of the first path segment, the light beam passes through the filtering segment of the first path segment and is filtered to form a first primary-color light beam. When the light beam impinges on the reflective segment of the first path segment, the light beam is reflected to the optical module. The optical module guides the reflected light beam to the filtering segment of the second path segment, such that the reflected light beam is filtered to form a second primary-color light beam. 1. A display light source , comprising:a light source for providing a light beam;a color wheel comprising a first path segment and a second path segment, wherein each of the first path segment and the second path segment includes a reflective segment and at least one filtering segment;an optical module disposed between the light source and the color wheel for guiding the light beam to the color wheel; andan actuator for rotating the color wheel, such that the light beam to impinges on at least one of the reflective segments and the filtering segments of the first path segment and the second path segment, wherein when the light beam impinges on the filtering segment of the first path segment, the light beam passes through the filtering segment of the first path segment and is filtered to form a first primary-color light beam, and when the light beam impinges on the reflective segment of the first path segment, the light beam is reflected to the optical module, the optical module guiding the reflected light beam to the filtering segment of the second path segment, such that the reflected light beam ...

LIGHT SOURCE SYSTEM AND PROJECTION SYSTEM APPLIED THEREBY

A light source system and a projection system applied thereby. The light source system includes a light source () emitting excitation light, a moving device () provided with an optical wavelength conversion material and an adjustment device (). The excitation light irradiates on the optical wavelength conversion material. When the moving device () is in a periodical moving state, the light spot position irradiated by the excitation light on the moving device () moves following a first working track. The adjustment device () is used for adjusting the light spot position so that the light spot position irradiated by the adjusted excitation light on the moving device () moves following a second working track. The first working track is separated from the second working track. The present invention can reduce the working load of the optical wavelength conversion material on the first working track, thus slowing the aging speed of the optical wavelength conversion material, and improving the service light of the light source system. 1. A light source system , comprising a light source emitting an excitation light and a moving device carrying wavelength conversion materials , the excitation light illuminating the wavelength conversion materials , wherein when the moving device is in a periodic moving state , a light spot of the excitation light on the moving device moves periodically along a first working track , wherein the light source system further includes an adjusting device for adjusting a position of the light spot , causing the adjusted light spot of the excitation light on the moving device to move periodically along a second working track , wherein the first working track is separate from the second working track.2. The light source system of claim 1 , wherein the adjusting device adjusts the light spot position when the moving device stops its periodic movement claim 1 , and then triggers the moving device to resume its periodic movement after the adjustment.3 ...

Light-emitting apparatus and a related projection system

A light-emitting apparatus and a related projection system. The light-emitting apparatus comprises an excitation light source generating an excitation light and a first supplemental laser source generating a first light; a wavelength conversion apparatus comprising a first wavelength conversion layer for absorbing the excitation light to generate a converted light without absorbing the first light; the wavelength conversion layer receiving at one side thereof the excitation light and the first light and emits at same side at least a portion of the first light; a light guide apparatus comprising a smaller first area and a larger second area, the first light and the excitation light respectively entering the first and second areas via a first optical path, and being respectively guided by the first and second areas to the wavelength conversion apparatus; the second area also guiding the converted light and the reflected first light to a second optical path.

LIGHT EMITTING DEVICE

A light emitting device includes a mounting board on which a plurality of light sources are disposed; a partitioning member surrounding the light sources and including a plurality of walls that include top parts and form a plurality of areas; a diffuser sheet that is provided above the partitioning member and is supported directly or indirectly by at least one of the top parts of the partitioning member; a plurality of first reflectors that are provided directly above the light sources and are positioned on one of an upper surface and a lower surface of the diffuser sheet; and a second reflector that is provided directly above the top parts and is positioned on one of the upper surface and the lower surface of the diffuser sheet. 1. A light emitting device comprising:a mounting board on which a plurality of light sources are disposed;a partitioning member surrounding the light sources and including a plurality of walls that include top parts and form a plurality of areas;a diffuser sheet that is provided above the partitioning member and is supported directly or indirectly by at least one of the top parts of the partitioning member;a plurality of first reflectors that are provided directly above the light sources and are positioned on one of an upper surface and a lower surface of the diffuser sheet; anda second reflector that is provided directly above the top parts and is positioned on one of the upper surface and the lower surface of the diffuser sheet.2. The light emitting device according to claim 1 , further comprisingat least one of a prism sheet and a polarizing sheet that is provided above the diffuser sheet.3. The light emitting device according to claim 1 ,wherein the second reflector is provided on the lower surface of the diffuser sheet and disposed in contact with at least one of the top parts of the partitioning member.4. The light emitting device according to claim 1 ,wherein the second reflector has a reflectivity lower than the first reflectors.5. ...

LIGHTING DEVICE

The present invention relates to a lighting device () comprising at least one light source () adapted to emit white light and ultraviolet light, a collimator () adapted to collimate the white light, and a light exit window () through which the collimated white light and the ultraviolet light may pass into the ambient, wherein the lighting device is adapted to emit the collimated white light while spreading the ultraviolet light. 1. A lighting device comprising at least one light source adapted to emit white light and ultraviolet light , a collimator adapted to collimate the white light , and a light exit window through which the collimated white light and the ultraviolet light may pass into the ambient , wherein the lighting device is adapted to emit the collimated white light while spreading the ultraviolet light and , wherein the light exit window is spectrally selective.2. A lighting device according to claim 1 , wherein the light exit window is adapted to scatter the ultraviolet light while allowing the white light to pass without substantial scattering.3. A lighting device according to claim 1 , wherein the light exit window is adapted to diffract the ultraviolet light while allowing the white light to pass without substantial diffraction.4. A lighting device according to claim 1 , wherein the light exit window is adapted to reflect ultraviolet light having an angle of incidence smaller than a predefined angle and to transmit ultraviolet light having an angle of incidence larger than the predefined angle and to transmit white light having an angle of incidence smaller than the predefined angle.5. A lighting device according to claim 1 , wherein the light exit window is adapted to convert the ultraviolet light into ultraviolet light having a peak at a higher wavelength without converting the white light.6. A lighting device according to claim 1 , wherein the collimator comprises particles adapted to scatter the ultraviolet light without substantially scattering ...

LIGHTING DEVICE WITH PUMP LIGHT SOURCE AND PHOSPHOR ARRANGEMENT

In various embodiments, a lighting device is provided. The lighting device may include: a pump light source; a phosphor arrangement; and a light control element arranged between the pump light source and the phosphor arrangement; wherein the light control element is configured to split the pump light beam into a reflected part and a transmitted part and for controlling the ratio between reflected part and transmitted part; and wherein the phosphor arrangement includes at least one phosphor which can be irradiated with the reflected part and/or transmitted part of the pump light of the pump light source and emits said pump light again at least partly in a wavelength-converted fashion. 1. A lighting device , comprising:a pump light source;a phosphor arrangement; anda light control element arranged between the pump light source and the phosphor arrangement;wherein the light control element is configured to split the pump light beam into a reflected part and a transmitted part and for controlling the ratio between reflected part and transmitted part; andwherein the phosphor arrangement comprises at least one phosphor which can be irradiated with at least one of the reflected part and transmitted part of the pump light of the pump light source and emits said pump light again at least partly in a wavelength-converted fashion.2. The lighting device of claim 1 ,wherein the light control element has a front side and a rear side; andwherein the front side comprises a region which is designed to be reflective for the pump light.3. The lighting device of claim 1 ,wherein the light control element is arranged in such a way that the region of the front side reflects only a part of the impinging pump light onto the phosphor of the phosphor arrangement.4. The lighting device of claim 2 ,wherein the region of the front side is designed to be transparent to the wavelength-converted light.5. The lighting device of claim 1 ,wherein the front side of the light control element comprises ...

LIGHT EMITTING DEVICE, ILLUMINATING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DEVICE

A light emitting device includes a light emitting element, a ceramic substrate including a mounting surface on which the light emitting element is mounted, and a non-mounting surface opposite to the mounting surface and on which the light emitting element is not mounted, and a metal reflection film formed on the non-mounting surface. The metal reflection film reflects light from light emitting element that has passed through the ceramic substrate. 1. A light emitting device , comprising:a light emitting element;a ceramic substrate having a mounting surface on which said light emitting element is mounted and a non-mounting surface opposite to said mounting surface and on which said light emitting element is not mounted; anda metal reflection film, formed on said non-mounting surface, for reflecting light from said light emitting element transmitted through said ceramic substrate.2. The light emitting device according to claim 1 , wherein surface roughness in maximum height (Rz) of said non-mounting surface of said ceramic substrate is not larger than wavelength of light emitted from said light emitting element.3. The light emitting device according to claim 1 , wherein arithmetic mean surface roughness (Ra) of said non-mounting surface of said ceramic substrate is at most 0.04 μm.4. The light emitting device according to claim 1 , wherein thickness of said ceramic substrate is at least 0.2 mm and at most 2.0 mm.5. The light emitting device according to claim 1 , wherein said metal reflection film includes any of a reflection film of Ag claim 1 , a reflection film of Ag alloy claim 1 , a reflection film of Al claim 1 , and a reflection film of Al alloy.6. The light emitting device according to claim 1 , wherein a region for forming said metal reflection film includes a region immediately below said light emitting element.7. The light emitting device according to claim 1 , wherein said ceramic substrate includes a substrate formed of an alumina sintered body.8. The ...

PHOTOLUMINESCENT DAYLIGHT PANEL

A photoluminescent daylight panel for converting higher energy shorter wavelength daylight to lower energy longer wavelength light comprises: a light transmissive substrate; at least one photoluminescent material configured to absorb at least a portion of daylight radiation of wavelengths between about 350 nm and about 450 nm and convert it to light with a wavelength greater than about 600 nm. 1. A photoluminescent daylight panel for converting higher energy shorter wavelength daylight to lower energy longer wavelength light , the panel comprising:a light transmissive substrate;at least one photoluminescent material configured to absorb at least a portion of daylight radiation of wavelengths between about 350 nm and about 450 nm and convert it to light with a wavelength greater than about 600 nm.2. The panel of claim 1 , wherein the at least one photoluminescent material comprises one or more phosphors.3. The panel of claim 1 , wherein the at least one photoluminescent material comprises quantum dots.4. The panel of claim 1 , wherein the at least one photoluminescent material comprises an orange silicate-based phosphor of general composition ASi(O claim 1 ,D)in which A is at least one of Sr claim 1 , Ba claim 1 , Mg and Ca and D is a at least one of Cl claim 1 , F claim 1 , N and S.5. The panel of claim 4 , wherein the silicate-based orange phosphor has the formula (SrM)EuSi0 claim 4 , in which M is at least one of a divalent metal Ba claim 4 , Mg claim 4 , Ca and Zn; 0 Подробнее

Light source device and display unit

A light source device includes: a substrate; a plurality of light sources disposed on the substrate; a wavelength conversion member disposed to face the plurality of light sources; and a diffusion member disposed between the wavelength conversion member and the plurality of light sources, and configured to uniformize distribution of traveling direction angle of incident light.

LED LIGHT-EMITTING COLUMN AND LED LIGHT USING THE SAME

The present invention discloses a LED light-emitting column and a LED light using the same. The LED light-emitting column comprises a high thermal conductivity tube and at least one series of LED chips disposed on an outer surface of the high thermal conductivity tube. The LED light comprises a light-transmitting bulb shell vacuum-sealed and filled with a heat dissipation and protection gas, a LED driver and an electrical connector. The LED light-emitting column is fixed within the bulb shell. Electrical lead of the LED light-emitting column is connected with an outer power supply through the driver and the electrical connector. The LED light is a single bulb shell light, a multi-tube light or a U-type light. 126-. (canceled)27. A LED light-emitting column , comprising:a high thermal conductivity tube;at least one series of LED chips emitting lights with the same or different colors or at least one LED light-emitting filaments mounted with at least one series of LED chips emitting lights with the same or different colors, disposed on an outer surface of the high thermal conductivity tube, the at least one series of LED chips or the at least one light-emitting filaments being connected in series or in series-parallel; andelectrical leads for the at least series of LED chips or at least one LED light-emitting filaments, the electrical leads being configured to be connected to a working voltage, and the LED light-emitting column being lightened when the working voltage is introduced.28. The LED light-emitting column according to claim 27 , wherein the high thermal conductivity tube is made of transparent ceramics claim 27 , ALN ceramics claim 27 , glass claim 27 , metal or plastics or is composed of a plurality of high thermal conductivity plates claim 27 , and the high thermal conductivity tube has a circular cylindrical shape claim 27 , a polyhedral shape claim 27 , a circular cone shape or a polyhedral cone shape.29. The LED light-emitting column according to claim ...

LIGHTING DEVICE

A lighting device includes a light bar, two reflective covers and a reflective plate. The two reflective covers respectively connected to two opposite long sides of the light bar. The reflective plate is positioned at the light output side of the light bar. The reflective surface of the reflective plate faces the light output side of the light bar. The reflective plate has a wavelength conversion layer positioned on the reflective surface thereof. The light bar emits a first wavelength light, and a portion of the first wavelength light is converted by the wavelength conversion layer into a second wavelength light which is reflected by the reflective plate to the two reflective covers, while the remaining non-converted first wavelength light is reflected by the reflective plate to the two reflective covers and mixed with the second wavelength lights to give a light with a predetermined spectrum. 1. A lighting device , comprising:a light bar;two reflective covers, respectively connected to two opposite long sides of the light bar; anda reflective plate, positioned at a light output side of the light bar and spaced therefrom by a distance (H), wherein a reflective surface of the reflective plate faces the light output side of the light bar, and the reflective plate has a wavelength conversion layer positioned on the reflective surface thereof; the light bar emits a first wavelength light, and a portion of the first wavelength light is converted by the wavelength conversion layer of the reflective plate into a second wavelength light which is then reflected by the reflective plate to the two reflective covers, while the remaining portion of the first wavelength light not converted by the wavelength conversion layer is reflected by the reflective plate to the two reflective covers and mixed with the second wavelength light to give a light of a predetermined spectrum.2. The lighting device according to the claim 1 , further comprising a diffusion sheet claim 1 , ...

FLOURESCENCE-EMITTING LIGHT SOURCE UNIT

A fluorescence-emitting light source unit includes: a wavelength conversion member including a front surface as a light receiving surface to receive excitation light, a phosphor, and a rear surface; and a light reflection surface provided on an outer side of the rear surface. The front surface is provided with a front side cyclic structure. The phosphor is configured to convert the excitation light received in the light receiving surface to fluorescence and to emit the fluorescence. The rear surface is provided with a rear side cyclic structure. 1. A fluorescence-emitting light source unit , comprising:a wavelength conversion member including a front surface as a light receiving surface configured to receive an excitation light, a phosphor, and a rear surface, the front surface being provided with a front side cyclic structure, the phosphor being configured to convert the excitation light received in the light receiving surface to fluorescence and to emit the fluorescence, and the rear surface being provided with a rear side cyclic structure; anda light reflection surface provided on an outer side of the rear surface.2. The fluorescence-emitting light source unit according to claim 1 ,wherein a cycle of the front side cyclic structure is of a size in a range in which diffraction of the fluorescence emitted from the phosphor occurs.3. The fluorescence-emitting light source unit according to claim 1 ,wherein a cycle of the rear side cyclic structure is of a size in a range in which diffraction of the fluorescence emitted from the phosphor occurs.4. The fluorescence-emitting light source unit according to claim 1 ,wherein the wavelength conversion member is configured of a fluorescent member including the phosphor.5. The fluorescence-emitting light source unit according to claim 1 ,wherein the wavelength conversion member comprises:a fluorescent member including the phosphor; andone or both of a front side periodic structural layer and a rear side periodic structural ...

DISPLAY APPARATUS, 3D FILM AND CONTROL METHOD THEREOF

A display apparatus is provided. The display apparatus includes a display panel; a backlight configured to irradiate visible ray to the display panel in a 2D mode, and configured to irradiate ultraviolet ray to the display panel in a 3D mode; and a 3D film disposed between the display panel and backlight, wherein the 3D film comprises: a pattern formed by a plurality of lines distanced from one another by a predetermined distance; and a coating layer that is formed on one side of the plurality of lines pattern and transmits or reflects light patterned by the plurality of lines pattern, per line. Accordingly, it is possible to prevent deterioration of resolution of a screen image, provide a simple structure and enable a change to and from a 2D mode and a 3D mode.

ILLUMINATING DEVICE AND PROJECTOR

An illuminating device may include a light source, an optical unit configured to adjust direction of light from the light source, a reflector, a light pipe, and an exciter. The light pipe may receive light having a first wavelength from the optical unit and direct the light having the first wavelength onto the exciter. The exciter may convert the light having the first wavelength into light having the second wavelength and reflects the light having the second wavelength to the reflector. A circumferential wall of the light pipe is configured to reflect the light having the first wavelength and to transmit the light having the second wavelength. 1. An illuminating device , comprising:a light source,an optical unit configured to adjust direction of light from the light source,a reflector,a light pipe, andan exciter,wherein the light pipe receives light having a first wavelength from the optical unit and direct the light having the first wavelength onto the exciter, the exciter converts the light having the first wavelength into light having the second wavelength and reflects the light having the second wavelength to the reflector, wherein a circumferential wall of the light pipe is configured to reflect the light having the first wavelength and to transmit the light having the second wavelength.2. The illuminating device according to claim 1 ,wherein the light pipe is tapered.3. The illuminating device according to claim 2 ,wherein an inner side of the circumferential wall of the light pipe is coated with a dichromic coating.4. The illuminating device according to claim 2 ,wherein the circumferential wall of the light pipe is a dichromic mirror.5. The illuminating device according to claim 1 ,wherein the reflector is an ellipse reflector.6. The illuminating device according to claim 1 ,wherein the reflector is a reflector with an opening, and the opening is configured in such a manner that the light pipe is at least partially inserted into the reflector through the ...

LIGHTING DEVICE WITH A PUMP LASER ROW AND METHOD FOR OPERATING SAID LIGHTING DEVICE

A lighting device may include a pump laser row and a phosphor arrangement. The pump laser row is designed for the purpose of emitting pump laser radiation for the irradiation of the phosphor arrangement. The phosphor arrangement has at least two different phosphors, which can be irradiated with the pump laser radiation and emit the pump laser radiation again at least partially and converted in wavelength differently in each case, and a movable mirror, which is designed for the purpose of reflecting the pump laser radiation of the pump laser row in a targeted manner on the phosphors in dependence on its position. 1. A lighting device comprising a pump laser row and a phosphor arrangement , whereinthe pump laser row is designed for the purpose of emitting pump laser radiation for the irradiation of the phosphor arrangement,the phosphor arrangement has at least two different phosphors, which can be irradiated with the pump laser radiation and emit the pump laser radiation again at least partially and converted in wavelength differently in each case, anda movable mirror, which is designed for the purpose of reflecting the pump laser radiation of the pump laser row in a targeted manner on the phosphors in dependence on its position.2. The lighting device as claimed in claim 1 , wherein the pump laser radiation successively scans the different phosphors during the movement of the mirror.3. The lighting device as claimed in claim 1 , wherein the different phosphors of the phosphor arrangement are implemented in the form of phosphor strips and arranged adjacent to one another.4. The lighting device as claimed in claim 3 , wherein the mirror is tiltable in relation to the incident pump laser radiation and the pump laser radiation can be guided onto the phosphor strips of the phosphor arrangement by tilting the mirror.5. The lighting device as claimed in claim 3 , wherein the pump laser row is aligned so that the pump laser radiation of the pump laser row forms a pump laser ...

COLOR ADJUSTABLE LIGHT EMITTING ARRANGEMENT

A color-adjustable light emitting arrangement () is provided, comprising •—a solid-state light source () adapted to emit light of a first wavelength range (L); •—a wavelength converting member () arranged to receive light of said first wavelength range emitted by the light source and capable of converting light of the first wavelength range into visible light of a second wavelength range (L); •—a narrow band reflector () arranged in a light output direction from the wavelength converting member to receive light of said second wavelength range, said narrow band reflector being reversibly switchable between a first state in which the narrow band reflector reflects a first sub-range of said second wavelength range, and a second state in which the narrow band reflector has a different optical property. The spectral output of the light emitting arrangement is adjustable and may provide a desirable light spectrum for enhancement of different colors. 1. A color adjustable light emitting arrangement , comprisinga solid-state light source adapted to emit light of a first wavelength range;a wavelength converting member arranged to receive light of said first wavelength range emitted by the light source and capable of converting light of the first wavelength range into visible light of a second wavelength range;a narrow band reflector arranged in a light output direction from the wavelength converting member to receive light of said second wavelength range, said narrow band reflector being reversibly switchable between a first state in which the narrow band reflector reflects a first sub-range of said second wavelength range, and a second state in which the narrow band reflector reflects a second sub-range of the second wavelength range.23-. (canceled)4. A light emitting arrangement according to claim 1 , wherein the narrow band reflector in said first state claim 1 , and optionally also in said second state claim 1 , has a reflection band width of 100 nm or less.5. A light ...

ILLUMINATION DEVICE AND IMAGE DISPLAY APPARATUS

An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance. 1. (canceled)2. A light source system comprising:an excitation light source configured to emit excitation light via a excitation light path, the excitation light having a first wavelength range; a fluorescent substance that, responsive to an irradiation of the excitation light, emits emission light having a second wavelength range which is different from the first wavelength range, and', 'a reflective portion that is provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, and reflects at least one of the excitation light and the emission light emitted from the fluorescent substance; and, 'a fluorescent portion configured to include'}a polarization beam splitter that is provided in the excitation light path, reflect first polarized light in the first wavelength range,', 'transmit second polarized light in the first wavelength range, and', 'transmit third polarized light in the second wavelength range and fourth polarized light in the second wavelength range., 'wherein the polarization beam splitter is configured to'}3. The light source system of claim 2 , wherein the polarization beam splitter is configured to reflect a first polarized light component in the excitation light ...

LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY DEVICE

A light source device includes: a laser light source; a circular substrate which has fluorescent body that emits light by using light from the laser light source as excitation light; a wheel motor which rotates circular substrate; a dichroic prism which transmits the light from fluorescent body while reflecting the light from the laser light source; a diffusion plate which diffuses the light from the laser light source; and a plate spring which interconnects diffusion plate and wheel motor. 1. A light source device comprising:a laser light source;a fluorescent plate which has a fluorescent body that emits light by using light from the laser light source as excitation light;a motor which rotates the fluorescent plate;an optical member which transmits the light from the fluorescent body while reflecting the light from the laser light source;a diffusion plate which diffuses the light from the laser light source; andan elastic member which interconnects the diffusion plate and the motor.2. The light source device according to claim 1 , wherein frequency of vibration waves of the motor claim 1 , that are transmitted through a solid substance claim 1 , matches a resonance frequency of the elastic member.3. The light source device according to claim 1 , wherein the fluorescent plate has a rotation axis of the motor fixed at a position deviated from a center of the fluorescent plate.4. The light source device according to claim 1 , wherein:the elastic member is extended in a belt shape from the motor to the diffusion plate; andthe motor is disposed at one end in the extending direction of the elastic member while the diffusion plate is disposed at the other end in the extending direction of the elastic member.5. The light source device according to claim 2 , wherein the diffusion plate is disposed on an optical path from an exit end of the optical member.6. The light source device according to claim 1 , wherein:the laser light source includes a first laser light source for ...

CONSTRAINED FOLDED PATH RESONANT WHITE LIGHT SCINTILLATOR

An optical emitter enabling conversion of light from a light source. The optical emitter includes a first conic reflector defining an aperture for receiving the light source, a second conic reflector opposite the first conic reflector for collimating light emitted by the light source, and a volumetric light conversion element between at least a portion of the first reflector and at least a portion of the second reflector. The optical emitter can also include a convex mirror adjacent the vertex of the second conic reflector, and an elliptical element adjacent the first conic reflector. The light conversion element can include phosphor dispersed in a resin to convert light from a first wavelength to light of a second, longer, wavelength, wherein converted light is emitted from the light conversion element. 1. An optical emitter comprising:a first conic reflector including a first reflector vertex and adapted to receive a light source proximate the first reflector vertex;a second conic reflector coaxial with the first reflector, the first and second conic reflectors facing one another to define a folded path cavity therebetween; anda volumetric light conversion element between at least a portion of the first conic reflector and at least a portion of the second conic reflector within the folded path cavity, wherein the volumetric light conversion element is adapted to down-convert light reflected between the first and second conic reflectors and emit the down-converted light generally radially outward from between the first and second conic reflectors.2. The optical emitter of wherein the first conic reflector defines an aperture at the first reflector vertex.3. The optical emitter of wherein the volumetric light conversion element interconnects the first and second conic reflectors.4. The optical emitter of wherein the light conversion element includes a plurality of wavelength-converting phosphors.5. The optical emitter of wherein the light conversion element includes ...

LIGHT SOURCE APPARATUS

A light source apparatus that is provided includes: a light source; a switch for switching the light path of irradiation light emitted by the light source between a first light path and a second light path; and an optical filter that is fixedly arranged in the first light path and filters irradiation light propagating along the first light path into light in a specific wavelength region. 1. A light source apparatus comprising:a light source;a switch that switches a light path of irradiation light emitted by the light source between a first light path and a second light path; andan optical filter that is fixedly arranged in the first light path and filters irradiation light propagating along the first light path into light in a specific wavelength region.2. The light source apparatus according to claim 1 , wherein the switch alternatingly switches the light path of irradiation light between the first light path and the second light path in accordance with a timing synchronized with a predetermined imaging cycle.3. The light source apparatus according to claim 1 ,wherein the switch has a light path changer capable of being inserted into the light path of irradiation light,the irradiation light enters the second light path when the light path changer is inserted into the light path of irradiation light, andthe irradiation light enters the first light path when the light path changer is removed from the light path of irradiation light.4. The light source apparatus according to claim 3 , wherein the light path changer is a reflecting member that bends the light path of irradiation light.5. The light source apparatus according to claim 2 , wherein the switch inserts the light path changer into the light path of irradiation light or removes the light path changer from the light path of irradiation light by shifting the light path changer in a direction orthogonal to the light path of irradiation light.6. The light source apparatus according to claim 2 , wherein the switch ...

Led-based illumination module with preferentially illuminated color converting surfaces

An illumination module includes a color conversion cavity with multiple interior surfaces, such as sidewalls and an output window. A shaped reflector is disposed above a mounting board upon which are mounted LEDs. The shaped reflector includes a first plurality of reflective surfaces that preferentially direct light emitted from a first LED to a first interior surface of the color conversion cavity and a second plurality of reflective surfaces that preferentially direct light emitted from a second LED to a second interior surface. The illumination module may further include a second color conversion cavity.

PHOSPHOR WHEEL AND WAVELENGTH CONVERTING DEVICE APPLYING THE SAME

A phosphor wheel includes a first optical unit, a second optical unit, and a clamping component. The first optical unit includes a substrate and an optical layer. The optical layer is disposed on the substrate. The second optical unit is stacked on the optical layer, in which the optical layer is configured to at least reflect light beams propagated from the second optical unit. The second optical unit includes a transparent substrate and a phosphor layer. The phosphor layer is disposed on the transparent substrate. The first optical unit and the second optical unit are fixed by the clamping component. 1. A phosphor wheel , comprising: a substrate; and', 'an optical layer disposed on the substrate;, 'a first optical unit, comprising a transparent substrate; and', 'a phosphor layer disposed on the transparent substrate; and, 'a second optical unit stacked on the optical layer, wherein the optical layer is configured to at least reflect light beams propagated from the second optical unit, and the second optical unit comprisesa clamping component, wherein the first optical unit and the second optical unit are fixed by the clamping component.2. The phosphor wheel of claim 1 , wherein the transparent substrate is disposed between the phosphor layer and the optical layer.3. The phosphor wheel of claim 2 , wherein the phosphor layer is excited by a first light beam with a first waveband to provide a second light beam with a second waveband claim 2 , and the optical layer is used for allowing the first light beam to pass therethrough and reflecting the second light beam.4. The phosphor wheel of claim 2 , wherein the phosphor layer is excited by a first light beam with a first waveband to provide a second light beam with a second waveband claim 2 , and the optical layer is used for reflecting the first light beam and the second light beam.5. The phosphor wheel of claim 1 , wherein the phosphor layer is disposed between the transparent substrate and the optical layer.6. The ...

Light emitting device

A light emitting device includes a semiconductor laser element configured to emit a first light, a wavelength converting member configured to emit a second light upon being irradiated by the first light, and a support member defining a through-hole allowing an optical path of the first light to pass through. The through-hole is defined by, in order from a light incident side to a light emitting side with respect to the first light, a lower portion with opening width decreasing from the light incident side to the light emitting side, and an upper portion where the wavelength converting member is fixed. The semiconductor laser element is disposed at a location allowing the first light to enter the lower portion of the through-hole while also allowing a part of the first light to be reflected at a wall defining the lower portion of the through-hole.

ROTATING WAVELENGTH CONVERSION ELEMENT

A method and apparatus is described for producing high brightness, e.g. multicolor light, whereby a region of a wavelength conversion element and a light source producing excitation light are moved relative to each other so that said region is exposed to the excitation light at different times and in a progressive movement that scans across a part of the entire surface of the wavelength conversion element. The wavelength conversion element can be cooled by air or with a liquid. 1. An illumination device comprising a light source for generating an excitation light and a wavelength conversion element , said wavelength conversion element comprising: a region containing a wavelength conversion material capable of absorbing the excitation light of said light source and emitting light having wavelengths different from that of the excitation light; and wherein the wavelength conversion element and the excitation light source are moveable relative to each other so that said region is exposed to the excitation light at different times and in a progressive relative movement that scans across a two-dimensional surface of the wavelength conversion element.2. The illumination device of claim 1 , further comprising a dichroic element disposed between the wavelength conversion material and the light source claim 1 , the dichroic element transmitting the excitation light and reflecting light emitted by the wavelength conversion material.3. The illumination device of claim 1 , further comprising a reflecting material disposed in the back of the wavelength conversion material claim 1 , the reflecting material reflecting unconverted excitation light and light emitted by the wavelength conversion material.437-. (canceled)38. The illumination device of claim 1 , wherein the relative movement of the wavelength conversion element and the excitation light source is achieved by combining rotational and/or translational movements such that a region of the wavelength conversion element is ...

DISPLAY PANEL HAVING IMPROVED LIGHT-USE EFFICIENCY, DISPLAY DEVICE INCLUDING THE DISPLAY PANEL, AND METHOD OF MANUFACTURING THE DISPLAY PANEL

A display panel may include a plurality of opening regions controlling one of transmission and blocking of incident light to form an image, a non-opening region between the plurality of opening regions, the non-opening region configured to not transmit the incident light, and at least one oblique reflective plate in the non-opening region to obliquely reflect the incident light. 1. A display panel comprising:a plurality of opening regions controlling one of transmission and blocking of incident light to form an image;a non-opening region between the plurality of opening regions, the non-opening region configured to not transmit the incident light; andat least one oblique reflective plate in the non-opening region to obliquely reflect the incident light.2. The display panel of claim 1 , further comprising:a polarizing plate in the plurality of opening regions, the polarizing plate adjacent to the at least one oblique reflective plate and only transmitting light of a specific polarization direction.3. The display panel of claim 2 , wherein the polarizing plate is one of an absorptive polarizer and a reflective polarizer.4. The display panel of claim 3 , wherein the reflective polarizer is a wire grid polarizer.5. The display panel of claim 1 , wherein the at least one oblique reflective plate includes one continuous reflective surface that is sloped so as to obliquely reflect the incident light toward the plurality of opening regions.6. The display panel of claim 5 , wherein the one continuous reflective surface is a flat surface.7. The display panel of claim 5 , wherein the one continuous reflective surface is curved so that an angle of inclination increases as the one continuous reflective surface is located farther from the plurality of opening regions.8. The display panel of claim 1 , wherein the at least one oblique reflective plate includes a plurality of discontinuous reflective surfaces.9. The display panel of claim 8 , wherein the plurality of discontinuous ...

FIXING STRIP FOR A LIGHT-SOURCE BAND

Fixing strip () for a light-source band, which light-source band () includes light-emitting light sources () and a device for conducting current to the light sources (), which fixing strip () is at least partly transparent and/or photoconductive, and includes a space () for at least one light-source band (). The fixing strip () includes a light-storing substance (), which emits light for at least a certain time after the light sources () of the light-source band () arranged in the space () are not in operation. 1110010110112100151011002. Fixing strip () for a light-source band for fixing a light-source band , which light-source band () comprises light-emitting light sources () and means for conducting current to the light sources () , which fixing strip () is at least partly transparent or photoconductive , and comprises a space () for at least one light-source band () , wherein the fixing strip () comprises a light-storing substance () , which emits light for at least a certain time after the light sources () of the light-source band () arranged in the space () are not in operation.21. Fixing strip for a light-source band according to claim 1 , wherein the fixing strip () is configured for fixing to a mounting surface (F) claim 1 , more particularly to a floor surface claim 1 , wall surface or ceiling surface.31100. Fixing strip for a light-source band according to claim 1 , wherein the fixing strip () covers the light-source band () at least partly.45. Fixing strip for a light-source band according to claim 1 , wherein the light-storing substance () comprises light-storing particles.51. Fixing strip for a light-source band according to claim 1 , wherein the light-storing particles are arranged evenly distributed in/on the fixing strip ().651. Fixing strip for a light-source band according to claim 1 , wherein the light-storing particles () are arranged in certain points in/on the fixing strip ().71100102101104. Fixing strip for a light-source band according to ...

FLUORESCENT MEMBER, OPTICAL COMPONENT, AND LIGHT EMITTING DEVICE

A fluorescent member includes: a plurality of fluorescent particles; an inorganic binder; and a plurality of pores. An upper surface of the fluorescent member is a light extraction surface of the fluorescent member. The plurality of pores are localized in a vicinity of at least one of the plurality of fluorescent particles in a cross section that is parallel to the upper surface of the fluorescent member and extends through the fluorescent particles and the pores. 1. A fluorescent member comprising:a plurality of fluorescent particles;an inorganic binder; anda plurality of pores;wherein an upper surface of the fluorescent member is a light extraction surface of the fluorescent member, andwherein the plurality of pores are localized in a vicinity of at least one of the plurality of fluorescent particles in a cross section that is parallel to the upper surface of the fluorescent member and extends through the fluorescent particles and the pores.2. The fluorescent member according to claim 1 , wherein some of the plurality of pores are provided along a periphery of said at least one of the fluorescent particles in the cross section.3. The fluorescent member according to claim 1 , wherein an area of each of the plurality of pores is smaller than an area of each of the plurality of fluorescent particles in the cross section.4. The fluorescent member according to claim 1 , wherein:a refractive index of each of the plurality of pores is lower than a refractive index of the inorganic binder,the refractive index of the inorganic binder is lower than the refractive index of each of the plurality of fluorescent particles, andsome of the plurality of pores are in direct contact with the fluorescent particles.5. The fluorescent member according to claim 1 , wherein:a content of the fluorescent particles in the fluorescent member is greater than or equal to 40% by mass and less than or equal to 70% by mass, andan incident surface of the fluorescent member, on which excitation ...

Optical converter for high luminances

An optical converter for producing colored or white light from blue excitation light is provided. The converter has good scattering properties to be able to produce nearly white light from the scattered blue light components and the scattered, converted yellow light components. The optical converter includes material including one or more of a YAG ceramic, a LuAG ceramic, and a magnesium-aluminum ceramic exhibiting strong scattering.

WAVELENGTH-CONVERTING DEVICE AND ILLUMINATION SYSTEM USING SAME

A wavelength-converting device used for converting first waveband light includes a transmissive substrate, a phosphor layer and an optical layer. The transmissive substrate has a refraction coefficient n, the refraction coefficient nis greater than an environmental refraction coefficient n. The phosphor layer is disposed over a side of the transmissive substrate for converting the first waveband light into second waveband light. The optical layer is disposed over the other side of the transmissive substrate opposite to the phosphor layer for reflecting the second waveband light. The optical layer has an effective refraction coefficient n. The relation between n, nand nis given by n>2(n)/n. As a result, the light leakage is avoided, the fabrication is simplified, and the difficulty of material selection is reduced. 1. A wavelength-converting device used for converting first waveband light , comprising:{'sub': s', 's', 'amb, 'a transmissive substrate having a refraction coefficient n, the refraction coefficient nis greater than an environmental refraction coefficient n;'}a phosphor layer disposed over a side of the transmissive substrate for converting the first waveband light into second waveband light; and{'sub': r', 's', 'amb', 'r', 'r', 'amb', 's, 'sup': '2', 'an optical layer disposed over the other side of the transmissive substrate opposite to the phosphor layer for reflecting the second waveband light, wherein the optical layer has an effective refraction coefficient n, and the relation between n, nand nis given by n>2(n)/n.'}2. The wavelength-converting device according to claim 1 , wherein the optical layer is configured for transmitting the first waveband light and reflecting the second waveband light.3. The wavelength-converting device according to claim 2 , wherein the first waveband light is blue light or ultraviolet light claim 2 , and the second waveband light comprises visible light with wavelength greater than 460 nanometers.4. The wavelength- ...

METHOD OF PRODUCING A COVNERSION ELEMENT, AND CONVERSION ELEMENT

A method of producing a conversion element includes providing a conversion body that converts electromagnetic radiation with regard to the wavelength thereof; applying an inorganic material to at least one portion of the conversion body; and forming a reflective layer that reflects the electromagnetic radiation and/or converted electromagnetic radiation with the inorganic material such that the inorganic material of the reflective layer enters into an adhesive connection with the conversion body. 117-. (canceled)18. A method of producing a conversion element comprising:providing a conversion body that converts electromagnetic radiation with regard to the wavelength thereof;applying an inorganic material to at least one portion of the conversion body; andforming a reflective layer that reflects the electromagnetic radiation and/or converted electromagnetic radiation with the inorganic material such that the inorganic material of the reflective layer enters into an adhesive connection with the conversion body.19. The method as claimed in claim 18 , whereinthe inorganic material is applied to the conversion body by a liquid that comprises the inorganic material being applied to at least the portion of the conversion body,the conversion body with the liquid adhering to it is heated such that the inorganic material melts and enters into an adhesive connection with the conversion body, andthe conversion body with the inorganic material is cooled, wherein the inorganic material hardens during cooling and forms the reflective layer.20. The method as claimed in claim 19 , wherein the liquid is dried after being applied to the conversion body and before heating.21. The method as claimed in claim 18 , wherein the conversion body has a first side and a second side facing away from the first side claim 18 , the conversion body has between the first side and the second side side walls that connect the first side and the second side claim 18 , and the reflective layer is formed on ...

LIGHT EMITTING APPARATUS AND ILLUMINATION APPARATUS INCLUDING THE SAME

A light emitting apparatus is provided. The light emitting apparatus may include a light source device that emits a plurality of laser beams in parallel, a light transmission device that gathers the plurality of laser beams emitted from the light source device into a single beam and outputs the single beam to a focus, a wavelength conversion device that converts the wavelength of the single beam on the focus, and a housing to receive the light source device, the light transmission device, and the wavelength conversion device. 1. A light emitting apparatus , comprising:a light source device that emits a plurality of laser beams in parallel;a light transmission device that gathers the laser beams emitted from the light source device into a single beam and outputs the single beam to a focus;a wavelength conversion device that converts a wavelength of the single beam on the focus; anda housing to accommodate the light source device, the light transmission device, and the wavelength conversion device.2. The light emitting apparatus according to claim 1 , wherein the light source device includes:a first laser light source that emits a first beam of the plurality of laser beams;a second laser light source that emits a second beam of the plurality of laser beams;a first collimation lens that collimates the first beam emitted from the first laser light source; anda second collimation lens that collimates the second beam emitted from the second laser light source.3. The light emitting apparatus according to claim 2 , wherein the light source device further includes:a light source base to fix the first and second laser light sources;a first barrel to which the first collimation lens is fastened;a second barrel to which the second collimation lens is fastened; andfirst and second lens holders that align the first and second barrels with the first and second laser light sources, respectively.4. The light emitting apparatus according to claim 3 , wherein the light source device ...

PROJECTION APPARATUS AND ILLUMINATION SYSTEM

A projection apparatus and an illumination system are provided. The illumination system includes an excitation light source and a light wavelength conversion module. The excitation light source is adapted to provide an excitation beam. The light wavelength conversion module includes a first phosphor wheel and a second phosphor wheel. The second phosphor wheel is disposed adjacent to the first phosphor wheel, and the first phosphor wheel and the second phosphor wheel are respectively disposed on transmission paths of a first part and a second part of the excitation beam, such that during a period that the excitation light source is turned on, the first phosphor wheel and the second phosphor wheel are both irradiated by the excitation beam. The illumination system of the invention avails improving phosphor conversion efficiency and avoiding burning the phosphor powder. The projection apparatus has good performance. 1. A projection apparatus , comprising: an excitation light source, adapted to provide an excitation beam; and', 'a light wavelength conversion module, comprising a first phosphor wheel and a second phosphor wheel, wherein the second phosphor wheel is disposed adjacent to the first phosphor wheel, and the first phosphor wheel and the second phosphor wheel are respectively disposed on transmission paths of a first part and a second part of the excitation beam, such that during a period that the excitation light source is turned on, the first phosphor wheel and the second phosphor wheel are both irradiated by the excitation beam;, 'an illumination system, comprisinga display device, disposed on a transmission path of an illumination beam output from the illumination system, and converting the illumination beam into an image beam; anda projection lens, disposed on a transmission path of the image beam.2. The projection apparatus as claimed in claim 1 , wherein the illumination system further comprises:a multidirectional element, disposed on a transmission path ...

LIGHT EMITTING DEVICE

A light emitting device includes a semiconductor laser element configured to emit laser light having a peak wavelength of 460 nm or less; a base body having a through-hole through which the laser light passes from a bottom to a top of the base body; a fluorescent member disposed so as to close the through-hole; and a filter configured to reflect fluorescence from the fluorescent member, the filter being disposed below the fluorescent member at a position above and spaced apart from a plane including a lower end of the through-hole. At least in a portion lower than the filter, an inner surface of the base body defining the through-hole includes an inclination surface that is inclined such that the through-hole expands from a lower part of the through-hole toward an upper part of the through-hole. A reflection layer containing aluminum is formed on the inclination surface. 1. A light emitting device comprising:a semiconductor laser element configured to emit laser light having a peak wavelength of 460 nm or less;a base body having a through-hole through which the laser light passes from a bottom to a top of the base body;a fluorescent member disposed so as to close the through-hole; anda filter configured to reflect fluorescence from the fluorescent member, the filter being disposed below the fluorescent member at a position above and spaced apart from a plane including a lower end of the through-hole,wherein, at least in a portion lower than the filter, an inner surface of the base body defining the through-hole includes an inclination surface that is inclined such that the through-hole expands from a lower part of the through-hole toward an upper part of the through-hole, andwherein a reflection layer containing aluminum is formed on the inclination surface.2. The light emitting device according to claim 1 , wherein the fluorescent member is disposed within the through-hole.3. The light emitting device according to claim 2 , wherein the filter is further disposed ...

WHITE LIGHT ILLUMINATION DEVICE

A converter () of a CE:YAG ceramic converts blue excitation light into yellow light of a color location near the white point in the chromaticity diagram. A filter () attenuates the light fraction below 530 nm so as to obtain white illumination light. 1. An illumination device for generating white light , comprising:{'b': '1', 'a semiconductor excitation light source for generating blue light ();'}{'b': '2', 'a converter () exhibiting sufficient conversion efficiency at elevated operating temperatures and permitting conversion from blue into yellow light of a color location near the white point in the chromaticity diagram; and'}{'b': '3', 'a filter () for attenuating the green light component in the near-white point light as emitted from the converter so as to obtain white illumination light as a result.'}22. The illumination device as claimed in claim 1 , wherein the converter is a low-doped pure Ce:YAG ceramic ().32313. The illumination device as claimed in or claim 1 , wherein the converter () has a short-pass filter () on its side facing the excitation light () source claim 1 , which exhibits maximum transmittance for blue light on the light entrance side and passes converted short-wavelength light arriving at the rear side from the converter claim 1 , while converted long-wavelength light is mostly reflected at the short-pass filter () claim 1 , so as to obtain claim 1 , in a transmission configuration claim 1 , a resultant white emission spectrum from blue excitation light and directly converted excitation light and from remitted light after reflection at the short-pass filter.4323. The illumination device as claimed in to claims 1 , wherein the converter () transmits from 10% to 30% of the excitation light claims 1 , wherein the absorbed excitation light is converted into yellow light to a great extent claims 1 , and of which the filter () filters out a green light component so as to obtain claims 1 , in total claims 1 , a hue in the white region of the ...

HIGH RECYCLING EFFICIENCY SOLID STATE LIGHT SOURCE DEVICE

A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and a collection system for collecting and outputting large-angle lights (lights farther away from the normal direction). The lights reflected by the light recycling system is scattered by the emitting surface in all directions, where the large-angle scattered lights are collected by the light collection system and the small-angle scattered light is reflected by the light recycling system again. A second excitation light source without wavelength conversion material or a second light source with its own wavelength conversion material may be provided, and the second light is directed to the light emitting surface by appropriate optical components. 1. A light source device comprising:a first light source having a light emitting surface which emits lights and/or scatters lights into a range of directions including small-angle lights and large-angle lights, the small-angle lights having smaller angles with respect to a normal direction of the light emitting surface than the large-angle lights;a light recycling system, including at least one reflector disposed on one side of the first light source, for directing the small-angle lights back to the first light source; anda light collection system for collecting and outputting the large-angle lights,wherein the light recycling system and the light collection system are separate from each other.2. The light source device of claim 1 , wherein the at least one reflector of the light recycling system includes one or more spherical reflector claim 1 , a compound parabolic concentrator claim 1 , or a flat reflector.3. The light source device of claim 1 , wherein the at least one reflector of the light recycling ...

Lighting assembly for providing a neutral color appearance, a lamp and a luminaire

A lighting assembly 100, a lamp and a luminaire are provided. The lighting assembly 100 comprises a light exit window 114, a light source 110 and a partially light transmitting reflector 102. The light source 110 emits light in at least a first narrow band of the visible spectrum towards the light exit window 114. The partially light transmitting reflector 102 is arranged at the light exit window 114 and reflects substantially all light of the visible spectrum except in at least the first narrow band of the visible spectrum. The partially light transmitting reflector is light transmitting in the first narrow band.

Phosphor Device and Lighting Apparatus Comprising the Same

A phosphor device () comprising a carrier member () having upper and lower faces; a phosphor layer () being arranged at the upper face of the carrier member (), whereby the phosphor layer () comprises at least one phosphor zone (R; G; Y); a reflective zone () being arranged adjacent to the at least one phosphor zone (R; G; Y); an optical transmitting member () having a first end face () and a second end face (), the optical transmitting member () being arranged at the top portion of the phosphor layer () and the reflective zone (), whereby wherein the first end face () of the optical transmitting member () covers at least a subarea () of each of the at least one phosphor zone (R; G; Y) and the reflective zone (). 1. A phosphor device comprising: a phosphor layer being arranged at the upper face of the carrier member, whereby the phosphor layer comprises at least one phosphor zone;', 'a reflective zone being arranged adjacent to the at least one phosphor zone;, 'a carrier member having upper and lower faces;'}an optical transmitting member having a first end face and a second end face, the optical transmitting member being arranged at the top portion of the phosphor layer and the reflective zone, wherein the first end face of the optical transmitting member covers at least a subarea of each of the at least one phosphor zone and the reflective zone.2. The phosphor device according to claim 1 , wherein the at least one phosphor zone comprises a phosphor component or a phosphor mixture.3. The phosphor device according to claim 2 , wherein the phosphor component is any member of the following group: a phosphor for emitting red light claim 2 , a phosphor for emitting green light claim 2 , a phosphor for emitting yellow light.4. The phosphor device according to claim 2 , wherein the phosphor mixture is suitable for emitting white light.5. The phosphor device according to claim 1 , comprising two or more phosphor zones claim 1 , wherein the phosphor zones are separated from ...

FIXTURES FOR LARGE AREA DIRECTIONAL AND ISOTROPIC SOLID STATE LIGHTING PANELS

Reflector designs for a large area panel light source create induced draft cooling means adjacent to the panel light source. The panel light source has a wavelength conversion element on a solid state light source for emitting light of a first and second wavelength to form a broader emission spectrum of light from the panel light source. 1. A light fixture comprising:at least one reflector, anda directional light source having a solid wavelength conversion element on a solid state light source, said solid state light source having a reflecting layer opposite said solid wavelength conversion element such that said solid state light source emits light of a first wavelength through said solid wavelength conversion element or reflected from said reflecting layer through said solid wavelength conversion element, said solid wavelength conversion element converting a portion of said light of a first wavelength into light of a second wavelength, said second wavelength being different from said first wavelength, said light of a first wavelength and said light of a second wavelength being transmitted from said solid wavelength conversion element to form a broader emission spectrum of light from said directional light source to be reflected and directed by said at least one reflector.2. The light fixture of wherein said at least one reflector is separated from said directional light source to provide an induced draft cooling means for said directional light source.3. The light fixture of wherein said broader emission spectrum of light from said directional light source is reflected and directed by said at least one reflector to form a wall washing effect.4. A light fixture comprising:a first reflector and a second reflector, andan isotropic light source having a first solid wavelength conversion element on a first side of a solid state light source, and a second solid wavelength conversion element on a second side of said solid state light source, said second side being ...

SOLID STATE LIGHTING DEVICE

An SSL lighting device () comprising a housing (), which has a reflective inner surface (), and an elongated light guide () which includes a wavelength converting material () for converting light in a first wavelength range to light in a second wavelength range. The elongated light guide () comprises two ends (), a portion for receiving light () and a portion for emitting light (). The portion for receiving light () is arranged inside the housing () and the portion for emitting light () is arranged outside the housing () and at least one of the two ends () forms the portion () for emitting light. The SSL lighting device () also comprises a plurality of SSL light sources () arranged inside the housing () at a distance from the elongated light guide (). A part of the light emitted from the plurality of SSL light sources () into the housing () enters the light guide () via the portion for receiving light () and is absorbed and converted by the wavelength converting material (). By enclosing the light sources () and a portion of the light guide () inside a housing () with a reflective inner surface () and by having a wavelength conversion process occurring inside the light guide (), this construction enables light from several light sources () to be used for providing a single high-intensity and high-power light source. 1. An SSL lighting device comprising:a housing which has a reflective inner surface;an elongated light guide which includes a wavelength converting material for converting light in a first wavelength range to light in a second wavelength range, the elongated light guide extending between two ends and further comprising a portion for receiving light and a portion for emitting light, wherein the portion for receiving light is arranged inside the housing and the portion for emitting light is arranged outside the housing and wherein at least one of the two ends forms the portion for emitting light; anda plurality of SSL light sources which are configured to ...

LED LAMPS WITH IMPROVED QUALITY OF LIGHT

LED lamp systems having improved light quality are disclosed. The lamps emit more than 500 lm and more than 2% of the power in the spectral power distribution is emitted within a wavelength range from about 390 nm to about 430 nm. 1at least one LED device configured in a housing structure, wherein said at least one LED device comprises an n-type region, a light-emitting active region, and a p-type region, said at least one LED device configured to emit LED light having a peak emission wavelength of about 405nm, said at least one LED device having an external quantum efficiency greater than 45% measured at an ambient temperature of 25° C. and at a current density of 40 A/cm2;a wavelength conversion material optically coupled to said at least one LED device and configured to emit converted light;a power source electrically coupled to said at least one LED device; andwherein said illumination system emits emitted light comprising a combination of said LED light and said converted light, said emitted light has a spectral power distribution (SPD) having a correlated color temperature (CCT) and an International Commission on Illumination (CIE) whiteness, said CIE whiteness being at least equal to a reference CIE whiteness of a blackbody radiator with the same CCT, and wherein said SPD has a first power from 380 nm to 800 nm and a second power from 390 nm to about 430 nm, wherein said second power is at least 4% of said first power.. An illumination system comprising: This application is a continuation of U.S. application Ser. No. 16/786,277, filed Feb. 10, 2020, which is a continuation of U.S. application Ser. No. 16/203,045, filed Nov. 28, 2018, now U.S. Pat. No. 10,557,595, issued Feb. 11, 2020, which is a continuation of U.S. application Ser. No. 16/031,144, filed Jul. 10, 2018, now U.S. Pat. No. 10,168,009, issued Jan. 1, 2019, which is a continuation of U.S. application Ser. No. 15/618,236, filed Jun. 9, 2017, now U.S. Pat. No. 10,139,056, issued Nov. 27, 2018, which ...

PROJECTION APPARATUS

A phosphor device of an illumination system emitting a first waveband light and having an optical path includes a first section and a first phosphor agent. The first phosphor agent is coated on the first section. The first waveband light is received and converted into a second waveband light by the first phosphor agent. The second waveband light is directed to the optical path. The range of the spectrum of the second waveband light includes at least a first color light and a second color light, so that the first color light or the second color light is separated from the second waveband light along the optical path. Therefore, the diversity of the design of the phosphor device is enhanced, the manufacturing cost and the size of product are reduced, and the color purity is enhanced. 1. A projection apparatus comprising: a first solid-state light-emitting element emitting a first waveband light;', 'a second solid-state light-emitting element emitting a second waveband light; and', a first section and a second section containing a first phosphor agent and a second phosphor agent, wherein the first phosphor agent is coated on the first section, the second phosphor agent is coated on the second section, so that the first waveband light is received by the phosphor wheel and converted into a third waveband light, which is directed to an optical path,', 'wherein compositions of the first phosphor agent and the second phosphor agent are identical or different, so that the first waveband light is converted into one kind of the third waveband light or two kinds of the third waveband light; and, 'a phosphor wheel, having, 'a dichroic element introducing the second waveband light and the third waveband light into the optical path; and, 'an illumination system, comprisingan image processing device configured to receive the second waveband light and the third waveband light and separate the third waveband light into a first light and a second light,wherein the first waveband light ...