ОПТИЧЕСКИЙ ЭЛЕМЕНТ ДЛЯ АСИММЕТРИЧНОГО РАСПРЕДЕЛЕНИЯ СВЕТА

Оптический элемент (2) для коллимирования света из источника (3) света выполнен из единого куска материала и содержит: впускную сторону (5), выполненную с возможностью приема света, выпускную сторону (6), выполненную с возможностью обеспечения излучения коллимированного света, и тело элемента, продолжающееся от впускной стороны (5) до выпускной стороны (6). Тело элемента имеет поперечное сечение, перпендикулярное оптической оси (z), образованное посредством осей x и y, перпендикулярных друг другу. Выпускная сторона (6) имеет овальную форму в поперечном сечении. Оптический элемент (2) имеет радиус y кривизны вдоль оси y больше, чем радиус x кривизны вдоль оси x, благодаря чему распределение коллимированного света, излучаемого из выпускной стороны (6), имеет поперечное сечение овальной формы (C), перпендикулярное оптической оси (z). Коэффициент преломления тела элемента выше, чем коэффициент преломления окружающей его среды, и радиусы x и y кривизны выбираются таким образом, чтобы соответствовать ...

ИСТОЧНИК СВЕТА СО СВЕТОДИОДАМИ, СВЕТОВОДОМ И ОТРАЖАТЕЛЕМ

Изобретение относится к светодиодному источнику света, выполненному с возможностью переоснащения светильника, в котором используется источник света с нитью накаливания. Технический результат заключается в повышении эффективности освещения. Источник света содержит световод, в который вводится свет от одного или более светодиодов из световой головки, расположенной у одного конца световода, и отражателя, имеющего отражающую поверхность, расположенного на другом конце световода и обращенного к световоду, допуская отражение света, падающего на отражающую поверхность. Согласно настоящему изобретению отражатель содержит, по меньшей мере, один пропускающий участок, размещенный так, что, по меньшей мере, часть света, падающего, по меньшей мере, на один пропускающий участок, пропускается через отражатель, например, через сквозное отверстие, проходящее вдоль оси, обеспечивая почти независимую от угла обзора интенсивность света источника света. 11 з.п. ф-лы, 9 ил.

СВЕТОИЗЛУЧАЮЩИЙ КОНСТРУКЦИОННЫЙ ЭЛЕМЕНТ

... 1. Непрозрачный светоизлучающий конструкционный элемент (200), содержащий:конструкционный элемент, имеющий монтажную сторону (112) и сторону (204), обращенную к пользователю, которая обращена к пользователю, когда упомянутый светоизлучающий конструкционный элемент используется в конструкции; иизлучатель (108; 404) света, встроенный в упомянутый конструкционный элемент,при этом упомянутый излучатель света встроен в упомянутый конструкционный элемент таким образом, что упомянутый излучатель света является невидимым в его выключенном состоянии, и свет от излучателя света выходит из конструкционного элемента, когда излучатель света находится в его включенном состоянии;при этом упомянутый конструкционный элемент содержит:верхний слой (202), имеющий сторону (104), обращенную к пользователю, и монтажную сторону, причем упомянутая монтажная сторона содержит множество полостей; иподложку (106), содержащую множество излучателей (108) света, каждый из которых расположен в соответствующей одной из ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО

... 1. Осветительное устройство, включающее в себя, по меньшей мере, по существу, прозрачный в видимой части спектра корпус и расположенное вне корпуса устройство для испускания света, причем внутри корпуса образована светящаяся область и причем в корпусе благодаря нахождению среды с более низким показателем преломления, по меньшей мере, на отдельных участках образована имеющая, по существу, форму многогранника, цилиндра или конуса граничная поверхность, которая, по меньшей мере, на отдельных участках полностью отражает испускаемое устройством для испускания света и входящее в корпус излучение, причем это полностью отраженное излучение выходит из корпуса, по меньшей мере, частично образуя светящуюся область, отличающееся тем, что граничная поверхность (6) образует полость (3) внутри корпуса. ! 2. Осветительное устройство по п.1, отличающееся тем, что корпус представляет собой предпочтительно ошлифованное методом фацетной обработки стеклянное тело. ! 3. Осветительное устройство по п.1, отличающееся ...

УСТРОЙСТВО, СОДЕРЖАЩЕЕ ИСТОЧНИК СВЕТА И БЛОКИРАТОР СВЕТА

... 1. Устройство (100), содержащее:первый источник (1) света для создания первого светового излучения в первом диапазоне (70) направлений, ипервый блокиратор (10) света для блокирования первого светового излучения в некоторой части (71) первого диапазона (70) направлений, при этом первый блокиратор (10) света имеет внутреннюю сторону (11) и наружную сторону (12), причем внутренняя сторона (11) расположена ближе к первому источнику (1) света, чем наружная сторона (12), при этом первый блокиратор (10) света выполнен из материала, имеющего оптический индекс, причем сочетание формы наружной стороны (12) и оптического индекса подобрано для отражения первого светового излучения в части (71) первого диапазона (70) направлений на наружной стороне (12), при этом форма внутренней стороны (11) соответствует форме графика светового выхода первого источника (1) света в части (71) первого диапазона (70) направлений, причем первый источник (1) света установлен на печатной плате (80), при этом график светового ...

НАСТРАИВАЕМОЕ ОЩУЩЕНИЕ ДНЕВНОГО СВЕТА С ИСПОЛЬЗОВАНИЕМ МИКРОФАСЕТИРОВАННЫХ ПЛЕНОК

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО И ЛИНЗА, ПОДХОДЯЩАЯ ДЛЯ ТАКОГО ОСВЕТИТЕЛЬНОГО УСТРОЙСТВА

... 1. Осветительное устройство (1), содержащее источник света (2) и линзу (3, 23, 33, 43, 53, 63), размещенную перед источником света (2), причем линза (3, 23, 33, 43, 53, 63) снабжена поверхностью входа света на стороне, обращенной к источнику света (2), и поверхностью выхода света (14, 38) на стороне, удаленной от источника света (2), причем линза (3, 23, 33, 43, 53, 63) включает в себя некоторое количество полосковых взаимно соединенных удлиненных световодных элементов (4, 24, 34, 54, 64), у которых первые концы (7, 27, 37, 57) и разнесенные вторые концы (5, 25, 35, 55, 65) содержат поверхность входа света и поверхность выхода света соответственно, а световые лучи (10, 11), излучаемые источником света (2), передаются за счет полного внутреннего отражения в удлиненных световодных элементах (4, 24, 34, 54, 64) от первых концов (7, 27, 37, 57) к разнесенным вторым концам (5, 25, 35, 55, 65),отличающееся тем, что площадь поверхности выхода света линзы (3, 23, 33, 43, 53, 63), по меньшей мере ...

ОСВЕТИТЕЛЬНАЯ АРМАТУРА НА ОСНОВЕ СВЕТОДИОДОВ, ПРЕДНАЗНАЧЕННАЯ ДЛЯ ОСВЕЩЕНИЯ ПОВЕРХНОСТИ, С УЛУЧШЕННЫМ РАССЕИВАНИЕМ ТЕПЛА И ТЕХНОЛОГИЧНОСТЬЮ

... 1. Осветительное устройство, содержащее: ! теплоотвод, имеющий первую поверхность; ! печатную плату светодиода, имеющую вторую и третью противоположные поверхности, из которых вторая поверхность располагается на первой поверхности теплоотвода, а третья поверхность имеет по меньшей мере один светодиодный источник света, расположенный на ней; ! интегрированный элемент с линзой, имеющий прозрачную верхнюю стенку, расположенную таким образом, чтобы принимать свет, который испускает по меньшей мере один светодиодный источник света; ! передающий давление элемент, имеющий опорную структуру, проходящую в целом по направлению от печатной платы светодиода до прозрачной верхней стенки интегрированного элемента с линзой и дополнительно имеющий передающую давление поверхность, соединенную с опорной структурой, причем опорная структура ограничивает отверстие, при этом передающая давление поверхность располагается на третьей поверхности указанной печатной платы светодиода поблизости от светодиодного источника ...

Motor vehicle headlamp with enhanced light dark boundary on the road has light diode source with ovoid central region and two parabolic reflectors

A lamp, especially for a motor vehicle, comprises a field of separate optics from a semiconductor light source, especially light diodes. The light opening comprises a long rectangle giving an ovoid central region (10) perpendicular to the light entry surface combined with two parabolic reflectors (40a,b,42a,b) giving a beam perpendicular to the axis (30).

Lichtabzweigungsvorrichtung für Lichtleiterlampe

Leuchtelement, insbesondere zur Beleuchtung von Funktionssymbolen oder zur Signalisierung von Funktionen in Kraftfahrzeugen

The invention relates to a luminous element, especially for illuminating function symbols or indicating functions in automobiles, comprising a housing (3) for installing the luminous element (1) in an assembly part (15) accommodating at least one luminiferous element (7) and at least two contact elements (5), also accommodated in the housing, for connecting the connecting contacts of the at least one luminiferous element (7). Each contact element (5) has longitudinal slots (23), each accommodating at least one connecting contact (7b, 27a) of the at least one luminiferous element (7) or one additional electronic component (27).

Indication/signaling device has light source(s), focusing, transparent body(ies) for total reflection of light into horizontal plane; incident sunlight passed through surface(s) is absorbed in signal

The indication and signaling device closely focuses light from one or more sources (2) and directs it onto one or more surfaces of one or more transparent bodies (1) for total reflection at the one or more surfaces into the horizontal plane (7). Sunlight (9) incident on the one or more surfaces within a large angular range is passed through the surface(s) and absorbed into the signal.

Totalreflexionsoptik-System für einen Scheinwerfer oder eine Lichteinheit eines Kraftfahrzeuges

Totalreflexionsoptik-System für einen Scheinwerfer oder eine Lichteinheit eines Kraftfahrzeuges zur Erzeugung einer Lichtverteilung in Form eines Abblendlichtes, eines Fernlichtes, eines statischen Kurvenlichtes, eines Abbiegelichtes, oder eines Schlechtwetterlichtes, wobei das System (SYS) ein total reflektierendes Optikelement (OE1, OE1', OE1'') umfasst, in welches Licht von zumindest einer Lichtquelle (LED1, LED1', LED1''), z. B. einer Leuchtdiode, über einen Einkoppelbereich (EIN1, EIN1', EIN1'') eingespeist wird und über einen Auskoppelbereich (AUS1, AUS1', AUS1'') wieder aus dem Optikelement (OE1, OE1', OE1'') austritt, und wobei das aus dem Optikelement (OE1, OE1', OE1'') austretende Licht durch eine Projektionslinse (LIN) in den Außenraum des Scheinwerfers bzw. der Lichteinheit abgestrahlt wird und die Lichtverteilung in einen Bereich vor dem Scheinwerfer bzw. der Lichteinheit projiziert wird, wobei das System (SYS) zumindest ein weiteres total reflektierendes Optikelement (OE2; ...

Beleuchtungseinrichtung

Beleuchtungseinrichtung mit einem als Kollimator ausgebildeten optischen Element (2) und mindestens einer, eine lichtemittierende Oberfläche (10) aufweisende Lichtquelle (1), dadurch gekennzeichnet, dass das optische Element (2) einen total reflektierend ausgebildeten Oberflächenabschnitt (20) besitzt, das optische Element (2) im Bereich des total reflektierend ausgebildeten Oberflächenabschnitts (20) eine Aussparung (21) besitzt, in der die Lichtquelle (1) angeordnet ist, das optische Element in der Aussparung (21) eine konvex gewölbte Stirnfläche (211) aufweist, für die maximale Abmessung H des total reflektierend ausgebildeten Oberflächenabschnitts (20) in Richtung einer Längsachse (A-A) des optischen Elements, die senkrecht zur lichtemittierenden Oberfläche (10) der Lichtquelle (1) orientiert ist, und für die maximale Abmessung R der Aussparung (21) senkrecht zur Längsachse (A-A) im Bereich der konvex gewölbten Stirnfläche (211) sowie für die maximale Abmessung L der lichtemittierenden ...

Dünne, plattenförmige Kraftfahrzeugleuchte

Optisches Element zur Beeinflussung der Lichtabgabe von Leuchtmitteln

Ein optisches Element (1) zur Beeinflussung der Lichtabgabe von Leuchtmitteln, insbesondere zur Beeinflussung der Lichtabgabe einer oder mehrerer LEDs (200), besteht aus einem lichtdurchlässigen Material und weist zumindest einen Oberflächenbereich (7) auf, der als lichtbrechende Lichteintrittsfläche oder Lichtaustrittsfläche des optischen Elements (1) dient, wobei der Oberflächenbereich (7) eine Struktur (10) aufweist, welche durch thermisches Bearbeiten, insbesondere durch thermisches Umformen des optischen Elements (1) oder eines zur Herstellung des optischen Elements (1) verwendeten Werkzeugs mit entsprechender Formgebung, z.B. eines Spritzgießwerkzeugs erstellt wurde.

Mehrfachlinsenanordnung für eine Beleuchtungsvorrichtung

Die Erfindung betrifft eine Mehrfachlinsenanordnung für eine Beleuchtungsvorrichtung, wobei mindestens zwei Linsenkörper mit jeweils einer Strahlungseintritts- und -austrittsfläche versehen, ineinander geschachtelt ausgebildet sind, wobei ein zweiter, äußerer Linsenkörper einen ersten, inneren Linsenkörper radial umgibt. Erfindungsgemäß ist jeder Linsenkörper an seiner Strahlungseintrittsseite mit einer Einkoppeloptik versehen, wobei zwischen den Linsenkörpern in seitlicher, radialer Richtung ein Abstand vorliegt. Weiterhin bilden die Linsenkörper mit ihren jeweiligen Strahlungseintrittsflächen eine gemeinsame Ebene.

Totale interne Reflexionslinse (TIR-Linse), Beleuchtungssystem und Scheinwerfer

Offenbart ist eine Totale Interne Reflexionslinse (TIR-Linse), die zwei Einkoppelflächen und zwei Auskoppelflächen für jeweils einen ersten und einen zweiten Lichtpfad aufweist, wobei die erste Auskoppelfläche gekrümmt ist.

LED-LEUCHTENMODUL UND VERFAHREN ZU DESSEN HERSTELLUNG

LED-Leuchtenmodul (5)mit einem zweiteiligen Modulgehäuse (8),das besteht aus einem Gehäuseteil und einer transparenten Abdeckplatte (60), wobei je am Gehäuseteil und/oder an der Abdeckplatte (60) einstückig eine umlaufende Seitenwand (65) angeformt ist, so dass das Gehäuseteil, die eine Seitenwand (65) oder beide Seitenwände und die Abdeckplatte (60) gemeinsam einen hermetisch dichten Gehäuseinnenraum (9) begrenzen,in dem sich eine Platine (40) befindet, auf der eine Anzahl je beabstandet zueinander angeordnete LEDs (44) sitzen; undjeder einzelnen LED (44) je ein Sekundäroptikelement zugeordnet ist, welches das von einer gegebenen LED (44) erzeugte LED-Licht einfängt und entsprechend einem vorgegebenen Beleuchtungszweck richtet und bündelt,dadurch gekennzeichnet, dass- das Gehäuseteil eine Metall-Gehäuseplatte (12) ist, die aus einem Metall besteht, das aus einer Gruppe ausgewählt ist, die umfasst:- - Aluminium (Al),- - Al-Legierungen mit Beimengungen an Si, Cr, Mg, Fe, Cu, Mn, Ti und/oder ...

Beleuchtungsvorrichtung

Die vorliegende Erfindung betriftt eine Beleuchtungsvorrichtung, insbesondere in Form von Deckenstrahlern, mit einem Lochpaneel mit zumindest einer Lichtdurchtrittsöffnung sowie einer hinter dem Lochpaneel verblendet angeordneten Linse zum Abgeben eines Lichtstrahlenbündels, das sich von der Linse weg auf das Lochpaneel zu verjüngt, durch die Lichtdurchtrittsöffnung hindurchtritt und sich vom Lochpaneel weg wieder erweitert. Erfindungsgemäß sind einer gemeinsamen Linse mehrere Lichtquellen zugeordnet, deren Licht von der gemeinsamen Linse eingefangen und in Form des genannten Strahlenbündels, das sich von der Linse weg auf das Lochpaneel zu verjüngt, durch eine Lichtdurchtrittsöffnung hindurchtritt und sich vom Lochpaneel weg wieder aufweitet, wobei die genannte Linse derart konturiert ist, dass ein von der Linse unreflektiert abgegebener Direktstrahlenanteil und ein von der Linse reflektiert abgegebener Indirektstrahlenanteil im Wesentlichen gleiche Strahlungswinkel aufweisen und das von ...

Optik

Es wird eine bevorzugte erfindungsgemäße Optik (15) angegeben, welche eine Abschirmanordnung (23) aus Abschirmflächen (24a, 24b) aufweist, welche einen zentralen Teil (12a) der von einer Lichtquelle (14) ausgehenden Lichtstrahlen (12) zur Seite reflektiert, um Licht aus der Lichtaustrittsseite (22) der Optik (15), welche einen größeren Flächeninhalt verglichen mit der Lichtaustrittsfläche (48) der Lichtquelle (14) aufweist, homogen abzugeben. Der durch die Abschirmanordnung (23) abgeschirmte Bereich vor der Lichtaustrittsseite (22) wird durch Lichtstrahlen (12c) beleuchtet, welche an der Abschirmanordnung (23) vorbei abgelenkt werden. Außerdem treten Lichtstrahlen von der Lichtquelle (14) direkt an der Abschirmanordnung (23) vorbei. Diese Lichtstrahlen (12b) wurden nach dem ersten Eintritt in die Optik (15) nicht reflektiert. Während die Abschirmflächen (24a, 24b) von der Spitze (27) der Ausnehmung (25) bis zu Übergangsabschnitten (39a, 39b) totalreflektierend sind, sind Übergangsabschnitte ...

Leuchte mit Kühlluftkanälen

Eine Leuchte (1) weist ein wannenförmiges Leuchtengehäuse (10) mit einem Gehäuseboden (11) und einer den Gehäuseboden (11) seitlich umlaufenden Gehäusewand (12), welche mit dem Gehäuseboden (11) einen Leuchtenraum begrenzt, sowie eine elektrische und/oder elektronische Leuchtenkomponente (120, 130) auf, wobei der Gehäuseboden (11) einen flächigen Bereich (20, 25) zur flächigen Aufnahme der elektrischen und/oder elektronischen Leuchtenkomponente (120, 130) aufweist und wobei im Gehäuseboden (11) eine oder mehrere Durchgangsöffnungen (30) ausgebildet sind. Ferner ist ein an dem Leuchtenghäuse (10) befestigtes Halteelement (50) vorgesehen, welches mit dem Bereich (20, 25) zur Aufnahme einen geschlossenen Raum (A, B,) bildet, in dem die Leuchtenkomponente (120, 130) angeordnet ist und/oder eine Abdeckung (70, 80) hält, welche mit dem Bereich (20, 25) zur Aufnahme einen geschlossenen Raum (A, B) bildet, in dem die Leuchtenkomponente (120, 130) angeordnet ist, wobei das Halteelement (50) ein ...

BELEUCHTUNGSMODUL MIT HOHER WÄRMEABLEITUNG

Beleuchtungseinheit und Optikelement

Beleuchtungseinheit mit einem Optikelement (2) und mit einer Strahlungsquelle (3), wobei das Optikelement (2) eine Strahlungseintrittsfläche (4), eine der Strahlungseintrittsfläche (4) im wesentlichen gegenüberliegende konvexe Strahlungsaustrittsfläche (5) und wenigstens eine die Strahlungseintrittsfläche (4) und die Strahlungsaustrittsfläche (5) verbindende Reflexionsfläche (6) aufweist, wobei die Strahlungsquelle (3) im Bereich der Strahlungseintrittsfläche (4) so angeordnet ist, daß die von der Strahlungsquelle (3) emittierte Strahlung (7) zumindest teilweise von dem Optikelement (2) über die Strahlungseintrittsfläche (4) aufgenommen, zur Strahlungsaustrittsfläche (5) geleitet und über die Strahlungsaustrittsfläche (5) emittiert wird, wobei die Reflexionsfläche (6) und die Strahlungsaustrittsfläche (5) so auf die Strahlungsquelle (3) abgestimmt sind, daß im wesentlichen in jedem Punkt (8) der Strahlungsaustrittsfläche (5) die Emissionswinkel E der emittierten Strahlung innerhalb eines ...

Optikelement und Modul zur Projektion eines Lichtbündels, und Kraftfahrzeugleuchte mit einer Mehrzahl solcher Modulen

Fahrzeuglampe

Eine Fahrzeuglampe enthält vier Lichtemissionsvorrichtungen 12, die derart angeordnet sind, dass sie sich um einen vorgegebenen Punkt A als ein Zentrum verteilen, einen Reflektor 14, der vier Reflexionsoberflächen 14a hat, die aus Rotationsellipsoiden Er1 bestehen, die lichtemittierende Zentren der jeweiligen Lichtemissionsvorrichtungen 12 und den vorgegebenen Punkt A als primäre Brennpunkte bzw. sekundäre Brennpunkte davon annehmen, und einen Lichtverteilungssteuerteil 16, der die Lichtverteilung des Lichtes von den jeweiligen Lichtemissionsvorrichtungen 12, das an dem Reflektor 14 derart reflektiert wird, so steuert, dass das so gesteuerte Licht veranlasst wird, zu einer Vorderseite der Lampe zu wandern, wodurch Licht, das von den jeweiligen Lichtemissionsvorrichtungen 12 emittiert wird, zuerst an den jeweiligen Reflexionsoberflächen 14a reflektiert wird und dann veranlasst wird, in den vorgegebenen Punkt A zu konvergieren.

Signal- bzw Beleuchtungseinrichtung mit einem optischen Teil zur selbstständigen Erzeugung eines vorschriftsmässigen Lichtbündels

Leuchteinheit, insbesondere als Zusatzeinheit in Außenrückblickspiegeln von Kraftfahrzeugen

Es sind Leuchteinheiten bekannt, bei denen Licht seitlich abgestrahlt wird. Hierzu müssen LEDs auf gesonderten Blechträgern, Leiterfolien oder Leiterplatinen schräg angeordnet werden. Die Verwendung solcher Träger und die Befestigung der LEDs ist aufwendig und teuer. DOLLAR A Damit das Leuchtmittel zur seitlichen Abstrahlung auf einfache kostengünstige Weise unter Vermeidung zusätzlicher Träger angeordnet werden kann, weist das Leuchtmittel mindestens eine total reflektierende Fläche auf, an der die Strahlen zu einem Reflektor reflektiert werden, der die Strahlen in Richtung auf eine Lichtscheibe reflektiert. Je nach Einsatzfall der Leuchteinheit kann die total reflektierende Fläche so angeordnet werden, daß das Licht in die gewünschte Richtung fällt. Zusätzliche Träger sind nicht erforderlich. DOLLAR A Die Leuchteinheit wird bevorzugt in Außenrückblickspiegeln von Kraftfahrzeugen eingesetzt, kann aber auch auf allen Gebieten der Signal- bzw. Beleuchtungstechnik eingesetzt werden.

Illumination apparatus

An illumination apparatus comprises an array of inorganic light emitting elements which is formed by selectively removing inorganic light emitting diodes (LEDs) from an array formed on a monolithic wafer and preserving the relative spatial positions of the diodes then forming an array of the selectively removed inorganic LEDs whilst maintaining the relative spatial positions, so that the inorganic LEDs 6, 8 are interspersed in gaps within an array of organic light emitting diodes (OLEDs) 4, positioned within apertures within OLEDs (see Fig. 6a), or formed on the surface of a continuous layer of OLEDs (see Fig. 7) the inorganic LEDs and OLEDs sharing a common substrate 2. There may be more than one array of inorganic LEDs 6, 8, each with different wavelength characteristics. The inorganic light emitting elements 6, 8 are provided at reduced density compared to the organic light emitting elements, achieving high efficiency, long lifetime and high uniformity for white light illumination over ...

Light beacon

Hazard light or beacon with an optical element to control horizontal and vertical beam spread

A system for producing a beam or beams of light having a small vertical angular spread and wide horizontal angular spread comprises an optical component 2 together with one or more light emitting diodes 1. Light rays 12 from the emitting diodes is substantially collimated 13 by refracting surface or surfaces 3 of the optical element, then internally reflected 14 by conical surface 4 and subsequently refracted 15 on the opposite side of the cone. An annular surface may replace the refracting surfaces 3 to increase intensity (fig.4). The LEDs may produce white or coloured light, and two or more beams of different colours may be produced (fig.2). Refracting surface 4 may be an invert-cone and surface 5 may be cyclindrical (fig.5). Variation in the 'cylinder' profile alters the vertical beam spread (fig. 6, 7 and 8).

Lens having densely-distributed convex facets on its entrance and exit surfaces

A multiple reflection vehicle lamp

A vehicle lamp which comprises a translucent member (14) which is arranged so as to cause light originating from an LED light source (12) oriented toward the front of a lamp to enter the translucent member (14). LED light that has entered the translucent member (14) is reflected rearward by a front surface (14A1,14A2), and then the light is reflected forward by a rear surface (14B), to thereby exit forward of the lamp from the translucent member (14) . An area on the front surface (14A1) located in the vicinity of an optical axis Ax is formed as a normal reflection section subjected to reflection surface treatment. The other area of the front surface (14A2) is formed as an internal reflection section which causes the LED light to undergo internal reflection. A plurality of reflection elements (14S) are formed on the rear surface of the translucent member (14) so as to cause the outgoing LED light reflected from them to encounter the internal reflection section (14A2) at an incidence angle ...

Vehicular headlamp and optical unit

Lens having densely-distributed convex facets on its entrance and exit surfaces

An LED integrated light source lens has a light entering section 1 in the shape of a blind recess, a light emitting section 2 at the front face of the lens, and an optical lens 3 positioned between the light entering section and the light emitting section. The optical lens has a substantially solid generally conical or frustoconical body, whose external surface incorporates a network of densely distributed convex facets that cause the LED integrated light source lens to emit multi-point light beams. The base 18 of the blind recess is provided with a refractive surface and may have convex facets. The light emitting section comprises a generally concave cup shaped recess. Light is emitted from the integrated light source lens with a beam angle less than 180 degrees.

Light emitting diode

Explosion Secure Armature

Luminaire

A waveguide and lighting device comprising the waveguide

Luminaire

A luminaire 200 such as an LED downlight suitable for mounting in ceiling cavities of commercial environments comprises a light source 202 including an integral primary optic which transmits light toward a second optic 214. The second optic 214 is a lens that receives light from the light source 202 via the primary optic and transmits at least part of the received light toward a circular reflector 201. The circular reflector 201 directs light received from the second optic 214 away from the luminaire 204. A shape of the second optic 214 is interdependent with a shape of the circular reflector 201, and the shape of the second optic 214 and circular reflector 201 act in combination to transmit light away from the luminaire with a non-circular illuminance distribution 206.

Ceiling illumination with mountings for panels

Ceiling illumination with mountings for panels

Ceiling illumination with mountings for panels

ARRANGEMENT FOR THE EVEN OR LIGHTING GIVEN IN ADVANCE OF LARGE SURFACES

UNIT FOR THE PROJECTION OF A LIGHT BUNDLE, AN OPTICAL DEVICE FOR THE UNIT, AND VEHICLE FRONT LIGHT MECHANISM

UNDERWATER LIGHTING

LUMINESZENTE SOURCE OF LIGHT AND LUMINESZENTES SOURCE OF LIGHT FIELD

IMPROVEMENTS ON A LIGHTING MECHANISM

LIGHTING DEVICE WITH AT LEAST AN EMBEDDED LED

LIGHT FOR VEHICLES

SURGERY LAMP WITH SPACERDEPENDENT BRIGHTNESS CONTROL

VOLATILE SAFETY REFLECTORS

Light guiding element for light-guiding and headlight of motor vehicle, has lighting element defining surface, of defining curves with concave progressions, faces light coupling surface

The guiding element has a lighting element defining surface facing a light coupling surface (FEI). The lighting element defining surface of defining curves (KON) with concave progressions has lighting element (LIN) in sections parallel to defining surfaces. The lighting element, in the form of a boring (BOH), extends from former to later defining surface.

LIGHT GUIDANCE ELEMENT

SOLID LAMP

For a light source for generating a branched luminescent area optical adapter

Vorsatzoptik (1) für eine Lichtquelle zum Erzeugen einer verzweigten Leuchtfläche, welche Vorsatzoptik (1) zumindest eine Mehrzahl lichtleitender Optikelemente (2) umfasst, wobei jedes lichtleitende Optikelement (2) ein Lichteintrittsbereich (3), ein Lichtaustrittsbereich (4) und eine Mantelfläche (5) aufweist, wobei die Mantelfläche (5) den Lichteintrittsbereich (3) und den Lichtaustrittsbereich (4) verbindet, der Lichtaustrittsbereich (4) dem Lichteintrittsbereich (3) gegenüberliegt und einer Lichtaustrittsfläche (6) zugeordnet ist, welche Lichtaustrittsfläche (6) durch eine umlaufende Begrenzungslinie (7) begrenzt ist, wobei die Begrenzungslinie (7) an den Lichtaustrittsbereich (4) angrenzt, und die Optikelemente (2) derart aneinandergereiht sind, dass die Lichtaustrittsflächen (6) aller Optikelemente (2) in einer gemeinsamen im Wesentlichen planen Fläche (F) liegen, wobei jedes Optikelement (2) eine Anzahl von nächsten Nachbarn aufweist, wobei dessen Begrenzungslinie (7) eine Anzahl ...

REFLEKTOR FUER FAHRZEUGLEUCHTEN

LIGHT WITH ANIMAL END OF DEVICE

REFLECTOR FOR VEHICLE LIGHTS

MODULE FOR THE PROJECTION OF A RAY OF LIGHT

ANZEIGEVORRICHTUNG MIT EINEM TRANSPARENTEN KÖRPER

The invention relates to a display device (1) having a transparent body (2), wherein the display device (1) has a self-contained, self-illuminating light source (3), wherein the light source (3) is embedded in the transparent body (2), wherein light emitted by the light source (3) is retained in the body (2) by total internal reflection at boundary surfaces (4, 5, 6, 7) of the transparent body (2) and the transparent body (2) further comprises at least one light output side (8) having at least one light output structure, formed by at least one elevation (9) and/or at least one recess (10) in a surface of the transparent body (2), for outputting light of the self-illuminating light source (3).

DEVICE AND PROCEDURE FOR IMPROVED LIGHTING SURFACE FILLING OUT

Lichtlenkvorrichtung und Beleuchtungseinheit mit einer solchen Lichtlenkvorrichtung

Die Erfindung betrifft eine Vorrichtung (1) zum Lenken der Lichtstrahlen einer Vielzahl an Lichtquellen (2) in zumindest eine vorbestimmte Richtung, mit einem flachen optischen Element (3) aus transparentem Material mit einer Symmetrieachse bzw. -ebene (4), welches optische Element (3) eine Lichteintrittsseite (5) mit einem im Wesentlichen parabelförmigen Profil und eine Lichtaustrittsseite (6) aufweist, wobei die Lichteintrittsseite (5) des optischen Elements (3) in eine Vielzahl an Lichteintrittsflächen (7) und dahinter in einem nach der vorbestimmten Richtung der Lichtstrahlen entsprechendem Winkel angeordnete Reflexionsflächen (8) segmentiert ist sowie eine Beleuchtungseinheit (15) mit einer solchen Lichtlenkvorrichtung (1). Erfindungsgemäß weist jede Lichteintrittsfläche (7) in Richtung des der Symmetrieachse bzw. -ebene (4) gegenüberliegenden Randes (9) des optischen Elements, an welchem Rand (9) die Stellen (10) für die Anordnung der Lichtquellen (2) vorgesehen sind.

STRAHLER UND STROMSCHIENENSYSTEM MIT EINEM SOLCHEN STRAHLER

Beleuchtungssystem

The lighting device comprises a point-shaped light source (2), particularly in the form of a light emitting diode and a lens arrangement (3) assigned to the light source. The lens arrangement comprises two separate lens blocks arranged nested in each other, an inner lens (4) fitting at the light source and an outer lens (5) encompassing the inner lens in a bowl shape. An independent claim is also included for a lighting system with multiple lighting devices arranged on a common support.

REFLEKTOR/REFRAKTOR.

Optisches Element zur Beeinflussung der Lichtabgabe von Leuchtmitteln

Die vorliegende Erfindung betrifft ein optisches Element (1) zur Beeinflussung der Lichtabgabe von Leuchtmitteln, insbesondere zur Beeinflussung der Lichtabgabe einer oder mehrerer LEDs (200), wobei das optische Element aus einem lichtdurchlässigen Material besteht und weist zumindest einen Oberflächenbereich (7) auf, der als lichtbrechende Lichteintrittsfläche oder Lichtaustrittsfläche des optischen Elements (1) dient, wobei der Oberflächenbereich (7) eine Struktur (10) aufweist, welche durch thermisches Bearbeiten, insbesondere durch thermisches Umformen des optischen Elements (1) oder eines zur Herstellung des optischen Elements (1) verwendeten Werkzeugs mit entsprechender Formgebung, z.B. eines Spritzgießwerkzeugs erstellt wurde.

THIN, PLATTENFÖRMIGE MOTOR VEHICLE LIGHT

DOUBLEREFLECTING LENS

LIGHTING INSTALLATION WITH SCREENS EXHIBITING MICRO PRISMS

Torch with a rotationally symmetrical optical attachment

The invention relates to a torch comprising an optical attachment (4) which is rotationally symmetrical to an optical axis (26), which comprises an outer reflector part (22), an inner converging lens part (21) and a rear surface (23) having a blind hole bore (24), and an illuminating diode (LED) arranged on disk-shaped holder (6). According to the invention, in order to provide a torch with an optical attachment, in which the emission characteristic can be adjusted between a wide mode and a focus mode, in which the torch is as easy to use as possible and desired focusing can be achieved in a fast and reliable manner, the optical adapter can be displaced in relation to the LED in a defined manner between two stops such that when the optical attachment is placed on the holder, an essentially homogenous beam of light is produced.

An optical lens and a miner's helmet lamp

... -11 Abstract The embodiments of the present invention provide a kind of optical lens and a kind of miner's helmet lamp. A kind of optical lens, comprising a reflective surface and a light exit surface; wherein, in a circle with the central position of the said reflective surface as its center, at least a light distribution camber and a reflective camber are set up along the radius direction of the said reflective surface; in a circle with the central position of the said light exit surface as its center, at least a Fresnel annular surface and a surface are set up along the radius direction of the said light exit surface; the said light distribution camber is used for refracting the light incident on the said reflective surface to the said Fresnel annular surface and the said surface; the said reflective camber is used for reflecting the light incident on the said reflective camber to the said surface in collimation; the said Fresnel annular surface is used for reflecting the light incident ...

Lens having densely-distributed convex facets on its entrance and exit surfaces

Optical lens (3) for a LED comprising a lens body (10) having: - a light-entering section (1), where light from the LED enters the lens (3), having a cross-sectional dimension (D2) and recessed to accommodate a LED; - a light-emitting front face (2); - a frusto-conical shape (4), extending along a central axis between the light-entering section (1) and the light-emitting front face (2), the outer surface of which incorporating a plurality of densely-distributed convex facets (24); - a height (H) along said central axis; - a cross-sectional width (Dl) at the level of the light-emitting front face (2). This optical lens enhances light utilisation efficiency, avoids creating spots with chromatic aberration hence greatly improves colour rendering.

Linear fluorescent high-bay

Refractive optics to provide uniform illumination in a display case

A lighting assembly for illuminating a display case, where the lighting assembly is mounted to a display case and Includes a visibility envelop within which an onlooker of the display case cannot see, The lighting assembly includes an elongated frame provisioned to receive modular inserts and at least one modular Insert operatively connected to the elongated frame. The at least one modular Insert includes a light module, where the light module includes an optical tens and a light source. The optical tens Is disposed over and/or around the light source and is disposed exclusively within the visibility envelope. The optical lens is fashioned to control light emitted from the light source using refraction and total internal reflection.

Beacon light optic, beacon light

A beacon light optic comprising a plurality of light emitting elements and a light transmitting element arranged above it. The light received in the light transmitting element is divided in at least two beams, each following a different path through their respective segment and being directed to the exit surface of the respective segment. The beacon light optic thus emits light in an angular distribution in a horizontal plane and with a small vertical beam spread.

IP rated luminaires

The present invention describes an IP rated lens (10) for a luminaire, said luminaire including a light source adapted to emit light from the front of the luminaire, said lens comprising:- (i) a first region (11) through which light from the light source is emitted; (ii) a second region (12, 13, 14) which is resiliently deformable, thus allowing the light source in the luminaire to move with respect to the plane of the front of the luminaire, whilst retaining IP protection when the light source is out of the normal plane. The first (11) and second regions (12, 13, 14) may be made of the same or different materials. In a preferred embodiment the first region comprises an optical lens (10) capable of focussing light from a light source. In this embodiment the IP rated lens may replace the conventional lens used to focus light from an LED module.

Light fixture having fixed angular position and lamp module for light fixtures

A light fixture includes a housing defining a recessed cavity. The housing has a top, a first side, and a second side each extending at an angle from a first end of the housing to a second end of the housing, the first end being substantially orthogonal relative to a first plane. One or more lamp units are positioned in the housing to emit light therefrom, wherein the emitted light is prevented from leaving the housing in a direction parallel to the first plane.

IP rated luminaires

The present invention describes an IP rated lens (10) for a luminaire, said luminaire including a light source adapted to emit light from the front of the luminaire, said lens comprising:- (i) a first region (11) through which light from the light source is emitted; (ii) a second region (12, 13, 14) which is resiliently deformable, thus allowing the light source in the luminaire to move with respect to the plane of the front of the luminaire, whilst retaining IP protection when the light source is out of the normal plane. The first (11) and second regions (12, 13, 14) may be made of the same or different materials. In a preferred embodiment the first region comprises an optical lens (10) capable of focussing light from a light source. In this embodiment the IP rated lens may replace the conventional lens used to focus light from an LED module.

REFLECTOR USING FRESNEL-TYPE STRUCTURES HAVING A PLURALITY OF ACTIVE FACES

SOLID STATE LAMP

The invention provides a new solid state lamp (10) emitting a light useful for room illumination and other applications. It comprises a solid state Light Source (12) which transmits light through a Separator (14) to a Disperser (16) that disperses the light in a desired pattern and/or changes its color. In one embodiment, the Light Source (12) is a blue emitting LED operating with current high enough for room illumination, the Separator (14) is a light pipe or fiber optic device, and the Disperser (16) disperses the light radially and converts some of the blue light to yellow to produce a white light mixture. The Separator (14) spaces the Light Source a sufficient distance from the Disperser (16) such that heat from the Light Source (12) will not transfer to the Disperser (16) when the Light Source (12) is carrying elevated currents necessary for room illumination.

LUMINAIRE REFLECTOR HAVING IMPROVED PRISM TRANSITION

A reflector (14) for a luminaire comprises a generally parabolic wall (28) having series of main right-angled prisms (16) and an interleaved series of transition prisms (18). The main and transition prisms have essentially the same shapes and follow the same overall curvature to control the illumination. The transition prisms transition into the main prisms by merging a peak of a transition prism into the valley between adjacent main prisms in a short transition zone (20). Thus, the transition zone has only a small effect on the overall lighting pattern.

REFLECTOR WITH TEXTURED INNER SURFACE AND PRISMATIC OUTER SURFACE

A reflector for a lighting fixture comprising a substantially bell shaped reflector wall with top and bottom openings and a substantially parabolic cross-section. The reflector wall includes an inner surface having a first top portion that is textured for diffusing light rays from the light source of the fixture, and a second bottom portion that has a smooth surface allowing the light rays to pass through the reflector. The reflector wall also has an outer surface with a plurality of curvilinear prisms for reflecting the light rays. The inner and outer surfaces of the reflector create an even distribution of light emanating therefrom.

REFRACTIVE OPTICS TO PROVIDE UNIFORM ILLUMINATION IN A DISPLAY CASE

A lighting assembly for illuminating a display case, where the lighting assembly is mounted to a display case and Includes a visibility envelop within which an onlooker of the display case cannot see, The lighting assembly includes an elongated frame provisioned to receive modular inserts and at least one modular Insert operatively connected to the elongated frame. The at least one modular Insert includes a light module, where the light module includes an optical tens and a light source. The optical tens Is disposed over and/or around the light source and is disposed exclusively within the visibility envelope. The optical lens is fashioned to control light emitted from the light source using refraction and total internal reflection.

METHOD AND APPARATUS PERTAINING TO A CONE-SHAPED LENS IN COMBINATION WITH A LATERAL MEMBER

A cone-shaped lens is integrally formed with a lateral member using a common material. The cone-shaped lens has a light-output surface having a corresponding area while the aforementioned member has an exterior same-side surface area that extends beyond the light-output surface by an amount that is at least four times the corresponding area of the cone-shaped lens's light-output surface.

LUMINAIRE

LIGHT BEAMING REFLECTOR LENS ASSEMBLY

MULTIFUNCTION LAMP

A multifunction lamp comprises: a light source; a first reflector receiving and reflecting the projected light from the light source; a second reflector receiving and reflecting the reflected light from the first reflector; a first light-guide member which is provided between the light source and the first reflector or and the end of the first reflector away from the light source; and a second light-guide member guiding the light reflected by the second reflector out of the lamp.

LUMINAIRE REFLECTOR WITH LIGHT-MODIFYING FLANGE

OPTICS FOR AISLE LIGHTING

An optic for aisle lighting includes a portion of an optical material defined by a length and a cross-sectional profile. The cross-sectional profile is characterized by a cavity within the optical material, two upwardly-facing surfaces of the optical material on opposite sides of the cavity from one another, and downwardly-facing surfaces of the optical material. The cavity is bounded by an upward facing aperture, and at least three faces of the optical material that meet at interior angles. Light received through the upward facing aperture is separated at the interior angles, and refracted by the faces of the optical material, into separate light beams equal in number to the faces. The two upwardly-facing surfaces internally reflect the separate light beams downwardly. The downwardly-facing surfaces intercept respective portions of the separate light beams, and refract the portions as they exit the optic.

COMBINATION TASK LAMP AND FLASH LIGHT

A single combination task lamp and flashlight, providing separate flood and spot light beams, independently controlled in a three-state sequence by simple push button switches. The two kinds of light beams are produced by separate arrays of compact light emitting devices. both arrays are driven by a single, rechargeable battery powered electrical circuit that provides separate, regulated constant currents to the respective arrays of LEDs. the optics and electronics are constructed in a single, ruggedized, compact module. The module is enclosed within a slim, rugged housing and easily field replaceable with minimal tools.

LUMINAIRE HAVING OPTICAL TRANSFORMER PROVIDING PRECALCULATED ANGULAR INTENSITY DISTRIBUTION

A highly efficient luminaire (100). The luminaire includes a light source (310) that emits light. The emitted light is redirected by a light transformer having a curved circular reflective interior surface (130), the reflective interior surface reflecting the light in a predetermined pattern. A substantial amount of light being may be reflected close to an axis coincident with a radial line O defining a radius of the circular reflective interior surface. Additionally, a substantial amount of light may he reflected in a pattern with low divergency or parallel with an axis of the light transformer. The light is transmitted to the exterior of the luminaire by an optical window (110).

DEVICE FOR REDIRECTING THE LUMINOUS FLUX EMITTED BY ONE OR MORE LED

The invention relates to a device for redistributing with axis rotated to 90° of the luminous flow emitted by one or more LEDs as secondary optical component for the construction of sources, lamps, illuminating bodies, and solid state optical signalling apparatuses. In one of its basic forms the invention comprises a main optical element (1) and an optical protection case (20) coupled by a pin (5) obtained in the element (1) and a cavity (21) obtained in the case (20).

LIGHT FIXTURE

The present disclosure describes a light fixture for general lighting. The light fixture is includes a light source assembly that uses a point source of light such as an LED, an aspheric reflector, and a lightguide made of transparent materials, that redirects and distributes the light from the point source to an area light. The novel light fixture is not only functional and provides low-glare illumination, it also has an aesthetically pleasing appearance.

VARIABLE-BEAM LIGHT SOURCE AND RELATED METHODS

Light sources with arrangements of multiple LEDs (or other light- emitting devices) (102) disposed at or near the focus (106,108) of a reflecting optic (104) having multiple segments facilitate varying the angular distribution of the light beam (e.g., the beam divergence) via the drive currents supplied to the LEDs (102).

BEAM SHAPING SPECTRALLY FILTERING OPTICS AND LIGHTING DEVICES THEREFOR

Related to most light-emitting devices, such as LED luminaires, a filtering, beam-shaping optic is disclosed that controls the spectral content of the emitted light and the shape of the emitted beam. One or more filtering agents is mixed with a non-filtering material used for making an optic and the optic is then formed into a desired shape or configuration to control the beam shape. Light waves in a subrange of the overall wavelength range emitted from the light source are shifted to control the spectral content of the emitted light. Spectral density of the emitted light for various wavelengths is controlled to achieve a desired result, such as minimizing the amount of blue light emitted from outdoor lighting devices, particularly at night. Further, the color content of light emitted is controlled, for example, to minimize damaging effects to light-sensitive objects such as food products, certain art materials, etc.

LED ILLUMINATION DEVICE WITH A HIGHLY UNIFORM ILLUMINATION PATTERN

An LED (light emitting diode) illumination device that can generate a uniform light output illumination pattern. The illumination source includes first and second reflectors with a conic or conic-like shape. One reflector is mounted in the same plane as the LED and wraps around the front of the LED to redirect the light emitted along a central axis of the LED.

LIGHT ASSEMBLY HAVING LIGHT SOURCES AND ADJACENT LIGHT TUBES

A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity.

TOTAL INTERNAL REFLECTION LENS WITH BASE

The present invention relates generally to a light transmitting device and a total internal reflection lens with base. In one embodiment, the total internal reflection lens includes a light output portion and a first base coupled to the light output portion. The first base includes a cavity for receiving a light emitting diode (LED) and an undercut adjacent to the cavity.

Lens for led luminaries

Embodiments of the invention provide for a linear lighting system with a plurality of discrete light sources. Other embodiments of the invention include heat dissipation techniques and apparatus for a linear light system. Other embodiments of the invention include a two component lighting system that includes rails and nodes. In some embodiments, the lighting and control aspects can be divided between the rail and node. In yet other embodiments a linear lens providing a unique photometric distribution is provided.

Led lamp

An LED lamp has a base, an LED device and a convex lens. The base has a recess. The LED device is mounted in the recess and has an LED. The convex lens is mounted in the recess, separates from the LED and has a cavity formed in the convex lens. The cavity has a bottom, an opening, an inner side surface and an imaging surface. Peripheries of the bottom and the opening of the cavity are wavy. The imaging surface is formed around the inner side surface, inclines from the bottom to the opening of the cavity and is wavy. The imaging surface is capable of refracting light emitted from the single one LED located in the cavity to form a characteristic visual effect like a chrysanthemum.

Led extended optic tir light cover with light beam control

An optic for producing an asymmetrical beam of light for restricting light output to an area below a midplane of the optic, and for directing light to the sides or down from the midplane.

Light Assembly Having Light Sources and Adjacent Light Tubes

A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity.

Compact led work light

A work light having a work light body including handle section and light head section, an elongate housing, a battery compartment and a component chamber longitudinally aligned within the housing, a battery, an LED circuit board assembly extending longitudinally within the housing and having a substrate layer, an external component layer on a first side of the substrate layer, and a driving component layer on an opposing second side of the substrate layer. Overlapping portion of the LED circuit board assembly in close proximity to the battery. Also, at least one LED on the external component layer, the external component layer facing transaxially outwardly from the housing such that light emitting from the LED emits from the light head section. At least one driving component on the driving component layer, all driving components placed on an extending portion of the LED circuit board assembly over the component chamber.

Lighting assembly

A lighting assembly includes a light guide and a light source. The light guide has opposed major surfaces and side surfaces extending between the major surfaces. The light source is at an apex region between two side surfaces and is configured to input light to the light guide. The side surfaces comprise a stepped reflective side surface extending from the apex region and comprising a first reflective step and a second reflective step, and an output side surface extending from the apex region and comprising a first output region and a second output region. The first reflective step is configured to reflect a first portion of input light through the first output region. The second step is configured to reflect a second portion of input light through the second output region. The second output region comprises segments oriented nominally normal to the reflected second portion of the light incident thereon.

Lighting apparatus

A lighting apparatus includes a LED module provided at the central side of a chassis and a reflection sheet reflecting light emitted from the LED module. The LED module emits light to the outer edge portion of the chassis and then the light is reflected on the reflection sheet to perform illumination so that glare can be reduced. Then, the light emitted from the LED module is reflected on the reflection sheet in many directions so that a substantially uniform illuminated light with less illumination unevenness can be achieved. The LED module is not arranged at the outer edge portion of the chassis so that moment acting on the chassis can be reduced. Therefore, the deformation of chassis can be prevented.

Lighted power tool

A power tool includes a tool body having an output member that drives an accessory. An end effector is coupled for rotation with the output member. A light source is disposed on the end effector. A primary coil assembly is configured on the tool body and mounted concentric to the output member. The primary coil assembly includes a primary coil that is electrically connected to a power source of the power tool. A secondary coil assembly is configured on the end effector and mounted concentric to the output member. The secondary coil assembly includes a secondary coil that is electrically connected to the light source. Current flowing through the primary coil creates a magnetic field that causes current to flow through the secondary winding and power the light source.

Linear wash lamp

A lamp assembly ( 500 ) may include a linear light-emitting array ( 100 ) and a reflecting surface ( 101 ) arranged to limit the angular distribution of direct light while supplementing with reflected light the intensity of the direct light on a flat surface ( 102 ) of an object being illuminated. The reflecting surface ( 101 ) may be shaped to cause the distribution of the total illumination over the illuminated portion of the flat surface ( 102 ) to be uniform or to be linearly tapered or to have another desired profile. The reflecting surface ( 101 ) may be part of a heat-sinking reflector ( 300 ) that may include a mounting surface ( 302 ), a blind ( 303 ), oblong mounting holes ( 304 ) allowing rotational adjustment, heat sink mounting holes ( 305 ), and/or one or more exit holes ( 307 ), and that may have end pieces ( 400 ) attached to it.

Auxiliary lighting systems

An auxiliary lighting system includes a housing assembly having a generally planar surface and a lighting unit. The lighting unit includes a lighting module having a printed circuit board and a plurality of light emitting diodes operatively connected to the printed circuit board and a cover assembly including a protective cover, a frame, and a gasket. The lighting unit is assembled such that fasteners connect the frame, the protective cover, and the planar surface of the housing assembly to hold the lighting module between the protective cover and the planar surface and hold the gasket between the protective cover and the planar surface.

REFLECTOR AND A LIGHTING DEVICE HAVING THE SAME

A reflector for a lighting device is provided. The reflector may include: a plurality of reflecting bodies each having a plurality of internal reflecting facets; wherein the plurality of reflecting bodies are arranged to rotate by different rotation angles around their respective rotation axes, so as to be capable of compensating unsmooth light distribution caused by the internal reflecting facets. 1. A reflector for a lighting device , the reflector comprising:a plurality of reflecting bodies each having a plurality of internal reflecting facets;wherein the plurality of reflecting bodies are arranged to rotate by different rotation angles around their respective rotation axes, so as to be capable of compensating unsmooth light distribution caused by the internal reflecting facets.2. The reflector according to claim 1 ,wherein the plurality of reflecting bodies are sequentially arranged with a predetermined rotation angle difference in a clockwise or anticlockwise direction.3. The reflector according to claim 1 ,wherein the rotation angle difference is A=θ/n, wherein, n is the number of the reflecting bodies, and θ is a facet angle of the internal reflecting facet.4. The reflector according to claim 3 ,wherein the plurality of reflecting bodies are axisymmetrically arranged.5. The reflector according to claim 4 ,wherein the plurality of reflecting bodies are centrosymmetrically arranged.6. The reflector according to claim 3 ,wherein the plurality of reflecting bodies are arranged into an array.7. The reflector according to claim 3 , further comprising:a substrate provided with openings for correspondingly mounting the plurality of reflecting bodies.8. The reflector according to claim 3 ,wherein the reflecting bodies are cup-shaped reflecting bodies.9. A lighting device claim 3 , comprising: a plurality of reflecting bodies each having a plurality of internal reflecting facets;', 'wherein the plurality of reflecting bodies are arranged to rotate by different rotation ...

LED HEAD AND PHOTON EXTRACTOR

The invention concerns a semiconductor based light source comprising a back part, a front side and at least one semiconductor chip having an emitting surface, at least one reflective optical element being arranged below said at least one semiconductor chip, a material with low refractive index being disposed on a side of said reflective optical element facing said front side, wherein said semiconductor based light source comprises on said front side a compound material with high refractive index having at least one diffractive optical element embedded therein, such as to direct light incident on said diffractive optical element towards preferred directions. 1. A semiconductor based light source comprising:a back part, a front side and at least one semiconductor chip having an emitting surface,at least one reflective optical element being arranged below said at least one semiconductor chip,a material with low refractive index (low n material) being disposed on a side of said reflective optical element facing said front side,wherein said semiconductor based light source comprises on said front side a compound material with high refractive index (compound high n material) having at least one diffractive optical element embedded therein, such as to direct light incident on said diffractive optical element towards preferred directions.2. (canceled)3. The light source of claim 1 , wherein the at least one diffractive optical element comprise Moth eye structures with pattern features being smaller than the wavelength of light emitted by said at least one semiconductor chip claim 1 , which Moth eye structures create a graded compound refractive index at transitions between materials with high and low refractive indices claim 1 , respectively claim 1 , such as to reduce Fresnel reflections or induce Fresnel reflections.4. The light source of claim 1 , wherein the at least one diffractive optical element is imprinted on a low n film.5. The light source of claim 1 , wherein ...

Multiple-tier Omnidirectional Solid-State Emission Source

Multiple-tier omnidirectional solid-state emission source capable of dispersing light in flexible distributions or custom-intensity distributions which throw more light forward, to the side alternatively, or in all directions. This optical light control requires multiple-surface manipulation of the directions of the light energy bundles emerging from solid-state light sources. Producing uniform light up to 325 degrees in the vertical direction through the combined implementation of multi-stage light guiding for remote source elongation and multiple-tiers of TIR, refraction, and scatter for remote source emission and control. Combining the efficient light production of an LED chip with that of a directly coupled optic results in high efficiency custom distribution to direct light where required. The optical light manipulator consists of a dielectric or reflector collector section, spline light-pipe section used to clear the cross-sectional area of a thermal dissipation device and a section which either externally, internally, or combinatorially feeds multiple-tier TIR/refractor elements. 1. An optical device which is comprised ofa dielectric TIR optical control surface which directs and concentrates light to a secondary TIR light guide surface;wherein secondary concentration occurs near a first zone, after which a portion of the light is allowed to exit;light emanating from a control surface fills indirect intensity zones and additional light traverses through air before re-entering the optical device shown at a second zone.2. The optical device of further comprisinga light source which produces light which is partially captured and concentrated by a TIR surface and a refractive surface;the light begins to undergo further concentration and redirection by means of light guiding surface;primary optical operators to produce omnidirectional light include the tree or tiers of combination TIR, refractive elements which behave in a manner characteristic of a TIR mirror+ ...

Optical system and lighting device comprised thereof

The present disclosure describes embodiments of an optical system for use in a lighting device, e.g., replacements for MR/PAR/R directional lamps. In one embodiment, the optical system comprises optical elements (e.g., a lens element) with features that form light from a light source into a light beam. In one embodiment, the optical elements have a plurality of focus points, which do not all converge to a single focus point proximate the light source. Rather one or more of the focus points are spaced apart from the light source so the collective configuration of focus points causes the light beam to exhibit favorable characteristics.

LIGHT MIXING LENSES AND SYSTEMS

Lighting modules and lighting systems containing one or more lighting modules, and associated methods, are provided that receive light from one or more light sources for projecting it to a target surface, e.g., in a uniform, patterned, or other controlled manner. In various embodiments, the lighting modules and lighting systems can be used to mix the light generated by one or more sources. 1. An optical device , comprising:a light pipe having a proximal end adapted for optical coupling to a light source to receive a plurality of light rays therefrom and a distal end providing an output surface for the light rays, said light pipe being configured to cause mixing of the light rays via reflection at one or more lateral surfaces thereof as the light rays pass through the light pipe,a lens optically coupled to said output surface to receive light therefrom.2. The optical device of claim 1 , wherein the output surface comprises one or more surface features configured to modulate an output of the light therefrom.3. The optical device of claim 2 , wherein the one or more surface features comprises any of a texture or a plurality of microlenses.4. (canceled)5. The optical device of claim 1 , wherein said light pipe comprises an input surface at the proximal end for receiving said light rays from the light source.6. The optical device of claim 5 , wherein said output surface has a greater cross-sectional area than said input surface.7. The optical device of claim 5 , wherein said light pipe has a longitudinal dimension that is at least 10 times greater than any linear dimension of said input surface.8. The optical device of claim 1 , wherein said lens comprises a zoom lens.9. The optical device of claim 5 , wherein said light pipe has a parallelepiped shape characterized by said input surface claim 5 , said output surface claim 5 , and four lateral surfaces.10. The optical device of claim 9 , wherein any two opposed lateral surfaces of said light pipe diverge in a direction ...

DISPLAY DEVICE HAVING A TRANSPARENT BODY

Display device () having a transparent body (), with the display device () having a self-contained, self-illuminating light source (), characterized in that the light source () is embedded in the transparent body (), with light emitted by the light source () being retained in the transparent body () by total internal reflection at the boundary surfaces () of the transparent body () and the transparent body () further comprises at least one light output side () having at least one light output structure, formed by at least one elevation () and/or at least one recess () in a surface of the transparent body (), for outputting light of the self-illuminating light source (). 113-. (canceled)14121323245672289102332. Display device () having a transparent body () , with the display device () having light source () embedded in the transparent body () , and with light emitted by the light source () being retained in the transparent body () by total internal reflection at the boundary surfaces ( , , , ) of the transparent body () and the transparent body () further comprises at least one light output side () having at least one light output structure , formed by at least one elevation () and/or at least one recess () in a surface of the transparent body () , for outputting light of the light source () , wherein the light source () is self-contained , self-illuminating and completely embedded in the transparent body ().153. Display device according to claim 14 , wherein the self-illuminating light source () is designed to be punctiform claim 14 , rod-shaped or plate-shaped.162. Display devices according to claim 14 , wherein the transparent body () is designed to be plate-shaped or saucer-shaped.17. Display device according to claim 14 , wherein the light output structure is embodied as a groove.18. Display device according to claim 17 , wherein the groove has the shape of a pictogram or character to be displayed.192. Display device according to claim 14 , wherein a surface ...

ASYMMETRIC TOTAL INTERNAL REFLECTIVE (TIR) OPTIC LIGHT ASSEMBLY

A total internal reflective (TIR) optic light bar of a lighting fixture configured to illuminate an object, such as a two-dimensional planar surface, the optic light bar including a body having a first end portion that extends to a second end portion through an elongated intermediate portion, the body including a light input surface extending between the first and second end portions, a total internal reflective (TIR) surface, and at least one light output surface, where the light output surface is formed as a gradual, continuous curve including a plurality of discrete segments that form a curvilinear surface, and where the TIR surface is composed of one or more of the discrete segments which form the curvilinear light output surface. 1. A total internal reflective (TIR) optic light bar of a lighting fixture configured to illuminate an object , such as a two-dimensional planar surface , the optic light bar comprising:a body including a first end portion that extends to a second end portion through an elongated intermediate portion, the body including a light input surface extending between the first and second end portions, a total internal reflective (TIR) surface, and at least one light output surface;wherein the light output surface is formed as a gradual, continuous curve comprising a plurality of discrete segments that form a curvilinear surface, andwherein the TIR surface is composed of one or more of the discrete segments which form the curvilinear light output surface.2. The TIR optic light bar according to claim 1 , wherein the TIR surface and the at least one light output surface are arranged at a non-perpendicular angle relative to the light input surface.3. The TIR optic light bar according to claim 1 , wherein multifaceted light output surface includes a first multifaceted light output surface configured to direct light in a first direction and a second multifaceted light output surface configured to direct light in a second direction.4. The TIR optic ...

Led-based mr16 replacement lamp

An LED-based lamp can be made to have a form factor compatible with fixtures designed for MR16 lamps. Such a lamp can have a housing that provides an external electrical connection. Inside the housing is disposed a single emitter structure having a substrate with multiple light-emitting diodes (LEDs) arranged thereon. Different LEDs produce light of different colors (or color temperatures). For example, at least one LED can produce a warm white light, while at least one other LED produces a cool white light and at least one other LED produces a red light. A total-internal-reflection (TIR) lens is positioned to collect light emitted from the single emitter structure and adapted to mix the light from the LEDs to produce a uniform white light. A diffusive coating is applied to a front face of the TIR lens for further color mixing.

Highly efficient luminaire having optical transformer providing precalculated angular intensity distribution and method therefore

A highly efficient luminaire. The luminaire includes a light source that emits light. The emitted light is redirected by a light transformer having a curved circular reflective interior surface, the reflective interior surface reflecting the light in a predetermined pattern. A substantial amount of light being may be reflected close to an axis coincident with a radial line defining a radius of the circular reflective interior surface. Additionally, a substantial amount of light may be reflected in a pattern with low divergency or parallel with an axis of the light transformer. The light is transmitted to the exterior of the luminaire by an optical window.

Solar simulator and method for operating a solar simulator

A solar simulator with at least one lamp module, where the luminous module contains multiple light generating units is disclosed. Each of the light generating units contain at least one semiconductor light source, which generate light in a plurality of separately controllable wavelength ranges. Disposed downstream from the light generating units is a light-concentrating primary optical unit. A light-homogenizing secondary optical unit is likewise disposed downstream of the light generating units. And an imaging tertiary optical unit is disposed downstream of the secondary optical unit. A method for operating the solar simulator and the light generating units in such a way that the solar simulator generates light radiation that alters over time is also disclosed.

LED Light Tube

A hallow light tube for LED lighting comprises an inner surface, an outer surface and at least one end surface. At least one LED is placed on at least one end surface to provide edge illumination. The rays emitting from edge LEDs are fed into the light tube along the longitudinal directions. The inner surface and the outer surface can be aligned in different ways to meet different lighting requirements. The inner, outer and end surfaces can be textured. The texture includes a smooth surface, a diffusive surface, a surface with micro structures, a surface with gratings, a surface with grooves, a random scattering surface, and a surface of photonics crystal.

LIGHTING DEVICE

According to one embodiment, a lighting device includes a first light source, a body section and a light distribution section. The first light source includes a light emitting element. The body section includes an attachment portion on one end portion. The first light source is attached to the attachment portion. The light distribution section is provided on the end portion of the body section and injected with light radiated from the first light source. The light distribution section has a flat shape. A peripheral portion of the light distribution section in a direction orthogonal to a central axis of the lighting device protrudes from periphery of the end portion of the body section. 1. A lighting device comprising:a first light source including a light emitting element;a body section including an attachment portion on one end portion, the first light source being attached to the attachment portion; anda light distribution section provided on the end portion of the body section and injected with light radiated from the first light source,the light distribution section having a flat shape, anda peripheral portion of the light distribution section in a direction orthogonal to a central axis of the lighting device protruding from periphery of the end portion of the body section.2. The device according to claim 1 , wherein the peripheral portion has a curved surface convex in the protruding direction.3. The device according to claim 1 , wherein an end surface of the light distribution section on an opposite side from a side provided on the end portion of the body section is a flat surface.4. The device according to claim 1 , wherein a gap is provided between the light distribution section and a radiation surface of the first light source.5. The device according to claim 1 , wherein the light distribution section includes a translucent material.6. The device according to claim 1 , wherein the light distribution section includes at least one selected from the group ...

LOW PROFILE MULTI-LENS TIR

In one aspect, an optical lens assembly (herein referred to also as an optic) is provided that comprises a plurality of lenses (or lens segments) adapted to receive light from a light source, each of said lenses (or lens segments) having an input surface and an output surface and a lateral surface extending between the input and output surfaces. The lenses are arranged relative to one another and positioned relative to the light source such that each of the lenses receives at its input surface a different portion of light emitted by the source, e.g., each lens receives at its input surface light emitted by the source into an angular subtense (solid angle) different than an angular subtense associated with another lens. Each lens (or lens segment) guides at least a portion of the received light to its output surface via reflection, e.g., via total internal reflection (TIR). 1. An optical lens assembly , comprisinga plurality of lenses adapted to receive light from a light source, each of said lenses having an input surface and an output surface and a lateral surface extending between said input surface and output surface,said lenses being arranged relative to one another such that each of the lenses receives at its input surface light emitted by the source into an angular subtense different than a respective angular subtense associated with another lens,wherein each of said lenses guides at least a portion of the received light to its output surface via total internal reflection at the lateral surface thereof.2. The optical lens assembly of claim 1 , wherein at least one of said lenses is configured to collimate at least a portion of the light it receives from the light source.3. The optical lens assembly of claim 1 , wherein the lateral surfaces of at least two adjacent lenses of said lens assembly are separated from one another by an airgap.4. The optical lens assembly of claim 1 , wherein said lenses are configured to collectively receive at least about 80% of the ...

Modular optic for changing light emitting surface

An LES is a surface from which light emanates from a lighting fixture. The present disclosure relates to a providing a lighting fixture that has an actual light emitting surface (A-LES), which is substantially smaller than the maximum potential LES (M-LES) for the lighting fixture. The M-LES is defined as the theoretical maximum LES for the mounting structure of the lighting fixture, and the A-LES is defined as the actual LES of the lighting fixture, as dictated by the lens or optical structures of the lighting fixture. The A-LES may provide an LES that is not only smaller, but also shaped differently, from the M-LES, to help control the light output of the lighting fixture based on the lighting application.

Lighting Device

A lighting device, in particular in the form of a ceiling, wall, floor or outside light, having a punctiform light source, preferably in the form of an LED, and a lens assigned to the light source, which has a light entry recess in the form of a bowl or blind hole, which deflects at least part of the incident light, indirectly or directly, onto a totally reflecting and/or mirrored lateral surface, which in turn deflects the light onto a light exit surface, which forms a front side of the lens located opposite the light entry recess. The lateral surface of the lens, which deflects the light coming directly or indirectly from the light entry surface onto the light exit surface by means of total reflection and/or mirroring, is provided with a multiplicity of facets. 1. A lighting device comprising a lens having a lateral area provided with a plurality of facets shaped such that light beams of a light source deflected by the lateral area cross one another before reaching a light exit surface forming a front side of the lens and located opposite a light entry recess of the lens.2. The lighting device according to claim 1 , wherein the facets have curved surfaces.3. The lighting device according to claim 1 , wherein more than 100 facets are formed on the lateral area claim 1 , andwherein the facets are arranged in a regular pattern comprising at least five rings surrounding the lateral area, each of the rings comprising at least twelve facets arranged superimposed on one another on the lateral area.4. The lighting device according to claim 1 , wherein the lateral area expands toward the light exit surface under an incline in the range of 2×40° to 2×80°.5. The lighting device according to claim 1 , wherein the lens with the facets forms a light point splitting device claim 1 , which splits light emitted by the light source into a plurality of light spots such that every receiving point of the area to be illuminated is lit up by at least 25 separate discernible light spots. ...

Modular optic for changing light emitting surface

An LES is a surface from which light emanates from a lighting fixture. The present disclosure relates to a providing a lighting fixture that has an actual light emitting surface (A-LES), which is substantially smaller than the maximum potential LES (M-LES) for the lighting fixture. The M-LES is defined as the theoretical maximum LES for the mounting structure of the lighting fixture, and the A-LES is defined as the actual LES of the lighting fixture, as dictated by the lens or optical structures of the lighting fixture. The A-LES may provide an LES that is not only smaller, but also shaped differently, from the M-LES, to help control the light output of the lighting fixture based on the lighting application.

LED Optical Assembly

An LED optical assembly includes a linear array of LEDs, longitudinal reflecting surfaces along each side of the array and medial reflecting surfaces between the LEDs. The medial reflecting surfaces are configured to redirect light oriented along the linear array into directions that will contribute to a light emission pattern from a warning, signaling or illumination light employing the LED optical assembly. The medial reflecting surfaces cooperate with other reflectors and/or lenses to integrate the redirected light into an intended light emission pattern.

Devices And Methods For Area Lighting

Environmentally sealed optical systems, and methods for sealing them, are disclosed. Such optical systems include area lighting panels and other optical systems. For example, in one exemplary aspect of the invention, a sealed optical system includes a substrate having first and second light sources disposed thereon, and a light-shaping panel with first and second optics formed therein that are positioned (e.g., aligned) to receive light from the first and second light sources, respectively. A sealing membrane is disposed between the substrate and the light-shaping panel, with a first adhesive surface contacting the substrate and a second adhesive surface contacting the light-shaping panel. The sealing membrane has first and second openings formed therein that allow light to pass from the first and second light sources to the first and second optics, respectively, while allowing the sealing membrane to independently seal the light sources from one another and from the external environment.

Functional, Socially-Enabled Jewelry and Systems for Multi-Device Interaction

Functional jewelry is disclosed. A bracelet includes a plurality of light-emitting diodes (LEDs), a main control unit, and positional and situational sensors, typically including an accelerometer, as well as a decorative, interchangeable fascial layer. The bracelet may also include sensors such as capacitive touch sensors, a microphone, and a color sensor. A radio transceiver within the bracelet is adapted to implement a protocol such as BLUETOOTH® 4.0, and is adapted to allow the bracelet to communicate in peer-to-peer or master-slave mode. Two users can pair their bracelets in person, usually with a gestural trigger, for shared light displays, multi-player games, and other types of interactions. Larger groups can pair temporarily and contextually for multi-user displays and interactions, in an ad hoc network with distributed functions. Real-world interactions are communicated to a social network with profiles linked to the individual bracelets. 1. A piece of functional jewelry , comprising: a main control unit,', 'a plurality of light emitting diode (LED) assemblies coupled to the main control unit,', 'a radio transceiver coupled to the main control unit and adapted to implement a communications protocol, the radio transceiver and communications protocol adapted to implement communication with outside devices in either peer-to-peer or master-slave modes, and', 'one or more positional or situational sensors coupled to the main control unit; and, 'an enclosure having disposed therein'}an interchangeable fascial layer on the exterior of the enclosure comprising one or more decorative segments, the one or more decorative segments being at least translucent.2. The piece of functional jewelry of claim 1 , wherein the enclosure has the form of a bracelet.3. The piece of functional jewelry of claim 2 , wherein the one or more decorative segments comprise a plurality of decorative segments.4. The piece of functional jewelry of claim 2 , wherein the one or more decorative ...

BUCKLE AND SEAT BELT DEVICE

A buckle includes a supporting member, a case, a lock portion and an illuminating unit. The case covers the supporting member. The lock portion is supported by the supporting member and is covered by the case to lock or unlock a tongue which is inserted into an insertion hole. An insertion hole is formed between the case and the lock portion. The illuminating unit illuminates both ends of the insertion hole of the tongue. The illuminating unit includes a light emitting unit, a light distribution unit, a first diffusing unit and a second diffusing unit. The light emitting unit emits light. The light distribution unit distributes the light emitted by the light emitting unit to form a first light beam and a second light beam. The first diffusing unit diffuses the first light beam. The second diffusing unit diffuses the second light beam. 1. A buckle comprising:a supporting member;a case that covers the supporting member; 'wherein an insertion hole is formed between the case and the lock portion, and', 'a lock portion that is supported by the supporting member and that is covered by the case to lock or unlock a tongue which is inserted into an insertion hole;'}an illuminating unit that illuminates both ends of the insertion hole of the tongue, a light emitting unit that emits light;', 'a light distribution unit that distributes the light emitted by the light emitting unit to form a first light beam and a second light beam;', 'a first diffusing unit that diffuses the first light beam; and', 'a second diffusing unit that diffuses the second light beam., 'wherein the illuminating unit includes2. The buckle according to claim 1 ,wherein the illuminating unit includes a light guiding member, andthe light guiding member guides the light from the light emitting unit to the first and second diffusing units by internal reflections.3. The buckle according to claim 2 ,wherein the light guiding member has a hook portion hooked to the lock portion.4. The buckle according to claim 1 ...

VEHICLE INTERIOR TRIM ASSEMBLY CONFIGURED TO FORM A LIGHT PATTERN HAVING AN EMBLEM SHAPE AT THE FRONT OF A TRIM PART SUCH AS AN AIR BAG COVER

A vehicle interior trim assembly such as an air bag cover assembly having an illuminable emblem is provided. The assembly includes a vehicle interior trim part and an illumination module having a light source configured to generate visible light rays when energized. A lens includes at least one layer molded in a molding process from an optical-grade material. The lens has a pattern of light-extracting deformities to extract light rays from an interior of the lens at a set of surface-defining areas of the lens. The surface-defining areas are sized, shaped and arranged laterally relative to each other in an emblem pattern. A decorative emblem has reflective surfaces overlying and spaced away from the surface-defining areas by an air gap. The extracted light rays traveling across the gap are reflected by the reflective surfaces to generate light in the emblem pattern about peripheral surfaces of the decorative emblem. 1. A vehicle interior trim assembly having an illuminable emblem , the assembly comprising:a vehicle interior trim part having front and back surfaces, the front surface facing a passenger compartment of the vehicle;an illumination module including a light source configured to generate visible light rays when energized;a lens including at least one layer molded in a molding process from an optical-grade material, the lens having a pattern of light-extracting deformities to extract light rays from an interior of the lens at a set of surface-defining areas of the lens which are sized, shaped and arranged laterally relative to each other in an emblem pattern at the front surface of the part; anda decorative emblem having reflective surfaces overlying and spaced away from the surface-defining areas by an air gap, the lens receiving the light rays from the illumination module into the interior of the lens at an entry face of the lens, the deformities extracting the light rays from the interior of the lens through the surface-defining areas, the extracted light ...

An optical device for modifying light distribution

An optical device includes a center section having a lens portion for modifying distribution of a first part of light emitted by a light source, and a peripheral section surrounding the center section and including a conical surface for modifying distribution of a second part of the light emitted by the light source. The conical surface includes ridges where total internal reflection takes place when a light beam arrives from the light source at one of side surfaces of each ridge, and surface penetration takes place when the reflected light beam arrives at the other side surface of the ridge under consideration. Thus, the conical surface acts both as a reflective surface and as a refractive surface for achieving a desired light distribution pattern.

Method and System for Managing Light from a Light Emitting Diode

A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit 1. An illumination system comprising:an optic comprising an outer surface, an inner surface, and a reference plane passing through the outer surface and the inner surface, the inner surface defining a cavity; anda light emitting diode that is oriented to emit light into the cavity,wherein the inner surface and the outer surface are asymmetrical with respect to the reference plane,wherein the inner surface comprises a refractive surface that is located on a first side of the reference plane, the refractive surface bulging into the cavity, andwherein the outer surface comprises a reflective surface that is located on the first side of the reference plane and that is positioned to receive refracted light from the refractive surface and to reflect the refracted light across the reference plane to a second side of the reference plane.2. The illumination system of claim 1 , wherein the outer surface further comprises a light emitting surface on the first side of the reference plane.3. The illumination system of claim 2 , wherein the light emitting surface causes light exiting the optic to diverge.4. The illumination system of claim 1 , wherein the refractive surface comprises a focusing element.5. The illumination system of claim 1 , wherein the optic comprises a street side and a house side.6. The illumination system of ...

A collimator and collimator arrangement

The invention provides various designs for enabling a non-circular area of collimated light output or to enable tessellation of collimators. In a first aspect, a collimator arrangement comprises a plurality of collimators, each having a circular general outer shape with one or more indentation into the circular general outer shape, wherein each indentation comprises a pair of edges which meet at an internal angle and each indentation defines a pair of external angles where the cut-out meets the general outer shape. The collimators are tessellated with each internal angle adjacent one of the external angles of an adjacent collimator. In another aspect, a collimating optical structure comprises a first section comprising one or more portions of a first collimator lens design with a first diameter and a second section comprising one or more portions of a second collimator lens design with a larger, second diameter. The portions comprise sectors which together form an annular shape around the optical axis with non-constant radius from the optical axis.

MULTI-STAGE OPTICAL WAVEGUIDE FOR A LUMINAIRE

According to one aspect, an optical waveguide includes a first waveguide portion and a second waveguide portion adjacent to and separate from the first waveguide portion. The waveguide portions include light coupling portions that are at least partially aligned and adapted to receive light developed by a light source. The first waveguide portion further has a first major surface with light direction features and a second major surface opposite the first major surface. The second waveguide portion further has a third major surface proximate the second major surface with an air gap disposed therebetween and a fourth major surface opposite the third major surface wherein the fourth major surface includes a cavity extending therein. 1. An optical waveguide , comprising:a plurality of waveguide portions arranged in a stack;each waveguide portion having a coupling surface and a surface opposite the coupling surface;wherein the coupling surface of a first waveguide portion is aligned with a light source and adapted to receive light developed by the light source; andwherein each next waveguide is aligned with each previous waveguide such that light escaping through the surface opposite the coupling surface of each previous waveguide is received by the coupling surface of the next waveguide.2. The optical waveguide of claim 1 , wherein each waveguide portion is substantially identical.3. The optical waveguide of claim 1 , wherein each waveguide portion is cylindrical.4. The optical waveguide of claim 1 , wherein each waveguide portion has a cavity disposed opposite the coupling surface.5. The optical waveguide of claim 4 , wherein the cavity of at least one waveguide portion has a parabolic shape claim 4 , a frustum shape claim 4 , a conical shape claim 4 , an elliptic paraboloid shape claim 4 , a frustoconical shape claim 4 , or a combination of such shapes.6. The optical waveguide of claim 1 , wherein substantially all of the light is extracted through surfaces other than ...

METHOD OF MAKING LIGHT GUIDE ILLUMINATION SYSTEMS WITH ENHANCED LIGHT COUPLING

A method of making a waveguide illumination system. More specifically, in a specific embodiment, an optically transmissive sheet having a light coupling area located at or near its light input edge and a two-dimensional light extraction area located on at least one of the first and second broad-area surfaces and at a distance from the first edge is provided. An LED strip having a strip of heat-conducting printed circuit and a linear array of electrically interconnected side-emitting LED packages is further provided. The LED strip is aligned parallel to the light input edge and positioning at or near the light input edge such that a major surface of the heat-conducting printed circuit extends generally parallel to the optically transmissive sheet and at least a substantial portion of the major surface is disposed in a space between the light input edge and an opposite edge of the optically transmissive sheet. 1. A method of making a light guide illumination system , comprising:providing an optically transmissive sheet having a first broad-area surface substantially coextensive with a first side of the optically transmissive sheet, a second broad-area surface substantially coextensive with a second side of the optically transmissive sheet and extending parallel to the first broad-area surface, a first edge, an opposing second edge, a light coupling area located at or near the first edge, and a two-dimensional light extraction area located on at least one of the first and second broad-area surfaces and at a distance from the first edge, wherein the two-dimensional light extraction area comprises a plurality of light extraction features formed in or on one of the first and second broad-area surfaces with a variable density and configured for extracting light from the optically transmissive sheet, and wherein the optically transmissive sheet is configured to propagate light from the light coupling area towards the two-dimensional light extraction area using optical ...

ENHANCEMENTS OF A TRANSPARENT DISPLAY TO FORM A SOFTWARE CONFIGURABLE LUMINAIRE

The examples relate to various implementations of a software configurable lighting device, having an enhance display device that is able to generate light sufficient to provide general illumination of a space in which the lighting device is installed and provide an image display. The general illumination is provided by additional light sources and/or improved display components of the enhanced display device. 1. A lighting device , comprising:an image display device configured to display an image;a general illumination device collocated with the image display device; the driver system being configured to control light generated by the general illumination device; and', 'the driver system being configured to control display of the image;, 'a driver system coupled to the image display device and the general illumination device,'}a memory;a processor having access to the memory and coupled to the driver system to control operation of the driver system; and obtain an image selection and a general lighting generation selection as software control data;', 'transform the image selection based on a desired color characteristic distribution;', 'modify the general lighting generation selection based on the transformed image selection;', 'present an image output, based on the transformed image selection, via the image display device; and', 'control operation of the general illumination device via the driver system to emit light for general illumination from the general illumination device according to the modified general lighting generation selection., 'programming in the memory, wherein execution of the programming by the processor configures the lighting device to perform functions including functions to2. The lighting device of claim 1 , wherein:the general illumination device comprises an array of light emitting diodes (LEDs); a first set of LED strips oriented in a first direction, each LED strip of the first set including a first number of LEDs evenly spaced along the ...

Optical element and light distributing module

The present disclosure discloses an optical element and a light distributing module. The optical element includes an optical element body provided with a light incident surface and a light emergent surface; the optical element body is provided with a second reflective surface peripherally arranged along the light emergent surface; the second reflective surface and the light emergent surface form a cavity, and a light source is arranged in the cavity; the light incident surface is attached to a top of the light source; and along a diameter direction of the light emergent surface, the light emergent surface includes a first transparent surface, a frosted surface, and a second transparent surface, which are connected in sequence. The light distributing module includes: the above-mentioned optical element and a reflector; and along a direction away from the light emergent surface, one end of the reflector is connected with the light emergent surface.

Variable-beam light source and related methods

Light sources with arrangements of multiple LEDs (or other light-emitting devices) disposed at or near the focus of a reflecting optic having multiple segments facilitate varying the angular distribution of the light beam (e.g., the beam divergence) via the drive currents supplied to the LEDs.

LED LIGHTING DEVICE

A lighting device including an ultraviolet light source emanating ultraviolet light, a visual light source and a light directing device. The visual light source is coupled to the ultraviolet light source, and the visual light source emanates visual light. The light directing device is arranged to direct the visual light in a first direction primarily within an angle of illumination. The light directing device is further arranged to direct the ultraviolet light in an area wider than the angle of illumination. 1. A lighting device comprising:an ultraviolet light source emanating ultraviolet light;a visual light source coupled to the ultraviolet light source, the visual light source emanating visual light; anda light directing device arranged to direct the visual light in a first direction primarily within an angle of illumination, the light directing device being further arranged to direct the ultraviolet light in an area wider than the angle of illumination.2. The lighting device of claim 1 , wherein the ultraviolet light source and the visual light source are on a common substrate.3. The lighting device of claim 2 , wherein the ultraviolet light source is adjacent to a plurality of visual light sources.4. The lighting device of claim 1 , wherein the ultraviolet light source emanates the ultraviolet light primarily in the wavelength 360 nm to 385 nm range.5. The lighting device of claim 1 , wherein the ultraviolet light source combined with the visual light source emanates primarily in the wavelength 360 nm to 670 nm range.6. The lighting device of claim 1 , wherein the ultraviolet light source and the visual light are both light emitting diodes.7. The lighting device of claim 1 , wherein the ultraviolet light is directed toward fluorescent material in a second direction apart from the angle of illumination.8. The lighting device of claim 7 , wherein the fluorescent material is part of an item that is wearable by a person.9. A vehicle having a light fixture coupled ...

Lighting apparatus

A lighting apparatus comprises a light engine, having a LED light source and an emission exit aligned along an axis, and a reflector, which extends along and about the axis and has a front surface facing the light engine and a rear surface opposite to the front surface; the reflector faces the emission exit of the light engine and has an exit opening opposite to the emission exit; the emission exit faces an axial top of the reflector and the reflector comprises a dome-shaped body made of a transparent material, for example PMMA, and shaped so as to reflect the light exiting from the emission exit toward the exit opening.

Low-profile optical arrangement

The present invention relates to an optical arrangement ( 1 ) having an optical axis (X) and comprising a base member ( 70 ), a cup shaped reflector ( 10 ) having an inner surface ( 12 ) facing towards the optical axis, at least one solid state light source ( 40, 42 ) arranged at the optical axis on the base member, and a lens comprising a center lens portion ( 20 ) and an annular lens portion ( 30 ), and arranged in front of the at least one solid state light source in a light exit direction. The center lens portion has a dome shaped outer surface ( 22 ) and the annular lens portion has an outer surface ( 32 ) with a convex shape facing the inner surface of the reflector. The reflector and the lens are formed together as one solid piece of material.

Luminaire having improved uniformity of output

The invention provides a luminaire comprising an optical element configured to spread light uniformly across a full visible face of the luminaire. The optical element comprises a central region and an outer peripheral region, each configured to receive light emitted by a light source arrangement and to direct this light out through a respective region of the light exit area of the luminaire. The central region receives light through a central transmissive surface portion which partially bounds it across its top. A further reflective tapered portion of the central region acts to reflect light incident at either of its two opposing sides, and provides a mixing function both within the central region of the optical element and within an inner compartment of the luminaire which extends between the optical element and the housing.

LENSES AND METHODS FOR DIRECTING LIGHT TOWARD A SIDE OF A LUMINAIRE

Lenses and methods for directing light toward a side of light fixture, and methods for manufacturing the same, are disclosed. Embodiments include lenses with an optical axis and a first (e.g., upper) portion that is rotationally symmetric about the optical axis and a second (e.g., lower) portion that is rotationally asymmetric. The first/upper portion can include a cavity that receives an LED and directs light toward the second/lower portion. The asymmetric side can include a convex surface where the light exits the lens, the convex surface extending across the optical axis. Additional embodiments include a planar surface adjacent the convex surface, where the height of the lens decreases along the portion of the convex surface near the planar surface and along the planar surface as the distance from the optical axis increases. In further embodiments, the maximum height of the lens occurs between two horizontal sides of the lens. 1. A lens for an LED light fixture , comprising: the first end of the lens defining a cavity configured to receive an LED light source, the first end portion being configured to direct light from an LED light source received within the cavity to the second end of the lens, the first end being rotationally symmetric with respect to the optical axis, and', 'the second end of the lens defining an exterior surface configured to emit light received from the first end, the second end being rotationally asymmetric with respect to the optical axis, and the exterior surface including a convex section and a first planar section adjacent one another, wherein the height of the lens decreases in the first planar section as the distance from the optical axis increases., 'a lens defining an optical axis and configured to direct light toward a common side of the optical axis, the lens including first and second ends,'}2. The lens of claim 1 , wherein the common side of the optical axis is defined by a longitudinal axis claim 1 , and wherein the lens ...

LASER ILLUMINATION LIGHTING DEVICE WITH SOLID MEDIUM FREEFORM PRISM OR WAVEGUIDE

An example lighting device has a luminaire. The luminaire includes a laser light source configured to be driven by electrical power to emit laser light rays, a phosphor plate, and a solid medium freeform prism or waveguide. The solid medium freeform prism or waveguide confines incoming laser light ray emitted from the laser light source inside the solid medium until conversion into illumination lighting by the phosphor plate. The solid medium includes an input surface or lens coupled to the laser light source, an output surface, and a highly reflective internal surface to reflect laser light rays to propagate inside the solid medium until emission through the output surface. The phosphor plate is coupled to the output surface of the solid medium to convert the reflected laser light rays into the illumination lighting to emit from the luminaire. 1. A lighting device comprising: a laser light source configured to be driven by electrical power to emit laser light rays;', 'a phosphor plate; and', an input surface or lens coupled to the laser light source to shape the incoming laser light rays passing through and entering inside the solid medium waveguide freeform prism or waveguide into shaped laser light rays;', 'an output surface;', 'a highly reflective internal surface to reflect the shaped laser light rays to propagate inside the solid medium freeform prism or waveguide until emission through the output surface; and', 'wherein the output surface emits the reflected shaped laser light rays to the phosphor plate;, 'a solid medium freeform prism or waveguide to confine incoming laser light rays emitted from the laser light source inside the solid medium freeform prism or waveguide until conversion into illumination lighting by the phosphor plate, the solid medium freeform prism or waveguide including, 'wherein the phosphor plate is coupled to the output surface of the solid medium freeform prism or waveguide to convert the reflected shaped laser light rays into the ...

Lighting device with miniature illumination light sources and optical lens sheet

An example lighting device includes a luminaire having a miniature illumination light source matrix including miniature illumination light sources configured to be driven by electrical power to emit incoming light rays for illumination lighting. Luminaire further includes an optical lens sheet positioned directly over and abutting the miniature illumination light source matrix and configured to extend over the illumination light source matrix and including an input surface coupled to receive the incoming light rays and an output surface lens array. Input surface is a substantially planar lateral surface extending across an entirety of the miniature illumination light source matrix. Output surface lens array includes a plurality of miniature optical lenses, including a respective miniature optical lens for each of the miniature illumination light sources to refract the incoming light rays into an outputted beam pattern of output light rays for the illumination lighting.

Indicating lamp

When viewed in parallel to a central axis (C 1 ), three LED substrates ( 4 ) form an equilateral triangle (T) that surrounds the central axis (C 1 ) and are disposed equidistantly with respect to the central axis (C 1 ). When viewed in parallel to the central axis (C 1 ), LEDs ( 8 ) are disposed on an outer surface ( 4 a ) of each LED substrate ( 4 ) at least one each at each of a pair of placement positions (Q 1 ) at both sides sandwiching a reference normal (BN) being a normal to the outer surface ( 4 a ) and passing through the central axis (C 1 ). The LEDs ( 8 ) each have an optical axis ( 8 a ) orthogonal to the outer surface ( 4 a ). When viewed in parallel to the central axis (C 1 ), radiated lights from the LEDs ( 8 ) at the pair of placement positions (Q 1 ) of each LED substrate ( 4 ) are, by an optical system (K), converted to and emitted as emitted parallel lights (RPL) that are respectively parallel to a pair of light emission reference lines (RB) passing through the central axis (C 1 ) at both sides sandwiching the reference normal (BN) and respectively contain the corresponding light emission reference lines (RB).

LIGHTING SYSTEM WITH LENS ASSEMBLY

According to at least one aspect, a lighting device is provided. The lighting device comprises a circuit board, an LED mounted to the circuit board that is configured to emit light with an angular CCT deviation, a lens assembly mounted to the circuit board over the LED and configured to receive the light emitted from the LED and reduce the angular CCT deviation of the light received from the LED to make a color temperature of the light received from the LED more uniform, and an elastomer encapsulating at least part of the circuit board that is separate and distinct from the lens assembly. 120-. (canceled)21. A lighting system , comprising:a lens assembly including a lens having a light output surface being spaced apart along a central axis from a light input surface, the lens further having a lateral surface being spaced apart around the central axis and having a frusto-conical shape extending between the light input and output surfaces of the lens, the lens being configured for causing some light emissions passing into the lens through the light input surface to be diverted toward the lateral surface;a light source being located adjacent to the light input surface of the lens, the light source including a semiconductor light-emitting device and being configured for generating the light emissions being directed through the light input surface into the lens;a reflector having another frusto-conical shape, the reflector being spaced apart around the central axis and extending between the light input and output surfaces of the lens, the reflector having a reflective surface that faces toward the lateral surface of the lens; anda potting material being interposed between the reflective surface of the reflector and the lateral surface of the lens, the potting material having a different refractive index than a refractive index of the lens.22. The lighting system of claim 21 , wherein the reflective surface of the reflector reflects some of the light emissions toward the ...

ACCESSORIES FOR LED LAMP SYSTEMS

Accessories for LED lamp systems and methods of attaching accessories to illumination sources (e.g., LED lamps) are disclosed. A beam shaping accessories mechanically affixed to the LED lamp. The lens is designed to adapt to a first fixture that is mechanically attached to the lens. Accessories are designed to have a second fixture for mating to the first fixture such that the first fixture and the second fixture are configured to produce a retaining force between the first accessory and the lens. The retaining force is a mechanical force that is accomplished by mechanical mating of mechanical fixtures, or the retaining force is a magnetic force and is accomplished by magnetic fixtures configured to have attracting magnetic forces. In some embodiments, the accessory is treated to modulate an emanated light pattern (e.g., a rectangular, or square, or oval, or circular or diffused emanated light pattern). A USB connector is also provided. 1an LED lamp, the lamp emanating an initial light pattern;a lens, the lens mechanically affixed to the LED lamp;a first fixture mechanically attached to the lens;a first accessory comprising a second fixture, wherein the first accessory is mated in proximity to the lens using the first fixture and the second fixture; andwherein the first accessory is configured to modulate the initial emanated light pattern.. An apparatus comprising: The present application is a continuation of U.S. application Ser. No. 16/385,045, filed Apr. 16, 2019, which is a continuation of U.S. application Ser. No. 15/344,206, filed Nov. 4, 2016, now U.S. Pat. No. 10,309,620, which is a continuation of U.S. application Ser. No. 14/166,692, filed on Jan. 28, 2014, now U.S. Pat. No. 9,488,324, which is continuation-in-part of U.S. application Ser. No. 14/014,112, filed on Aug. 29, 2013, now U.S. Pat. No. 9,109,760, which is a continuation-in-part of U.S. application Ser. No. 13/915,432, filed on Jun. 11, 2013, which claims the benefit under 35 U.S.C. § 119(e) of ...

COLLIMATION AND HOMOGENIZATION SYSTEM FOR AN LED LUMINAIRE

Disclosed is an LED light source automated luminaire with a multi curved sided collimator mixer and integrator combination. 1. An LED luminaire comprising: LED(s) emitting light of a plurality of discrete colours and a collimator with a plurality of at least three curved sides for collimating and mixing light emitted by LED(s).2. The luminaire of where a light receiving end of the collimator has a geometric shape with straight edges.3. The luminaire of and where a light exiting end of the collimator has a geometric shape with curved edges.4. The luminaire of and and where the geometric shape of the light receiving end of the collimator is the same general shape as the shape of the LED(s).5. The luminaires of where the receiving end of the collimator is at an off axis orientation from the orientation of the LED die.65. The luminaire of claim 4 , claim 4 , claim 4 , claim 4 , and wherein the collimator accepts light from the LED(s) and the elongated light integrator receives light from the collimator.75. The luminaire of claim 4 , claim 4 , claim 4 , claim 4 , and wherein the elongated light integrator receives light from the LED(s) and the collimator receives light from the elongated light integrator.8. The luminaire of claim 4 , claim 4 , claim 4 , claim 4 , claim 4 , and wherein the light exiting the elongated light integrator is received in order by a plurality of independently articulatable optical lenses.9. The luminaires of claim 4 , claim 4 , claim 4 , claim 4 , claim 4 , claim 4 , and where a light receiving end of the elongated light integrator has a smaller cross section than a light exiting end of the elongated light integrator. This application claims priority of U.S. provisional application with the same title Ser. No. 61/654,929 filed on 3 Jun. 2012.The present invention generally relates to a method for controlling the light output from an array of LEDs when used in a light beam producing luminaire, specifically to a method relating to improving the ...

TWO WAY OMNIDIRECTIONAL LENS

An omnidirectional lens is disclosed of the type which captures light from virtually all angles of incidence, and also emits light in all directions. Embodiments are specifically disclosed as a two-way lens that receives light beams from all directions of the compass and directs those light beams to a photosensor. The same two-way lens acts in a “beacon mode” to produce light beams from one or more LEDs, and to emit such light beams (again) in all directions of the compass. The emitted light beams can also be used to signal various functions as visible signals to users on a jobsite. 1. An omnidirectional lens , comprising:(a) a light-conductive first portion;(b) a light-conductive second portion, wherein said first portion is mounted adjacent to said second portion;(c) said first portion being substantially cylindrical in shape, having a first outer perimeter, said first portion having a first surface that faces toward and is proximal to said second portion, and said first portion having a second surface that faces away from and is distal to said second portion; and(d) said second portion being generally cylindrical in shape at a second outer perimeter that is proximal to said first portion, said second portion having a generally conical third surface that is proximal to said first portion, and said second portion having a fourth surface that faces away from and is distal to said first portion, said fourth surface forming a protrusion extending to a distal end;(e) wherein: said first outer perimeter exhibits a textured surface finish.2. The omnidirectional lens of claim 1 , wherein:(a) said fourth surface includes a sloped portion that extends away from said protrusion; and(b) said fourth surface exhibits a substantially smooth surface finish.3. The omnidirectional lens of claim 1 , wherein:(b) said first surface exhibits a substantially smooth surface finish;(a) said second surface exhibits a textured surface finish; and(c) said third surface exhibits a ...

Light Guide Illumination Device for Direct-Indirect Illumination

An illumination device includes light-emitting elements (LEEs); a light guide extending in a forward direction from a first end to a second end, the light guide being positioned to receive at the first end light emitted by the LEEs and to guide the received light to the second end; and an optical extractor coupled to the second end to receive the guided light. The optical extractor is formed from a transparent, solid material and includes a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to the ambient in a forward angular range and a reflective portion arranged and shaped to reflect via TIR all the guided light incident on the reflective portion; and a second output surface arranged to transmit, to the ambient in a backward angular range, light reflected by the reflective portion of the first output surface. 1. An illumination device comprising:a plurality of light-emitting elements (LEEs);a light guide extending in a forward direction from a first end of the light guide along an optical axis of the light guide to a second end of the light guide, the light guide being positioned to receive at the first end light emitted by the LEEs and configured to guide the received light to the second end; and a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to the ambient environment in a forward angular range and a reflective portion arranged and shaped to reflect via total internal reflection (TIR) all the guided light incident on the reflective portion, and', 'a second output surface that is disposed distal from the optical axis, at least a portion of the second output surface being between the first output surface and the plurality of LEEs along the optical axis, the second output surface having a curvilinear profile in a cross-section that includes the forward direction, the second output surface arranged to transmit, to the ...

Optical System

The present invention discloses an optical system comprising: 24132. The optical system according to claim 1 , characterized in that the double focus lens () arranged between the light source () and the shielding cone () is at least partially arranged inside the reflection hood ().34. The optical system according to any of the preceding claims claim 1 , characterized in that the double focus lens () has the shape of a double parabola claim 1 , wherein the two parabolas are arranged in such a way that the vertices of said parabolas are the farthest points from each other.426426473. The optical system according to any of the preceding claims claim 1 , characterized in that the reflection hood () in turn comprises a flat bottom surface () claim 1 , wherein the double focus lens () is completely contained in the reflection hood () claim 1 , arranged on the flat bottom surface () claim 1 , the double focus lens () being arranged adjacent to an upper end () of the shielding cone ().52824282. The optical system according to any of to claim 1 , characterized in that the reflection hood () in turn comprises a bottom surface () curved towards the inside of said reflection hood () claim 1 , wherein the double focus lens () is completely contained in the reflection hood () claim 1 , arranged on the bottom surface () curved towards the inside of said reflection hood ().6294293. The optical system according to any of to claim 1 , characterized in that the reflection hood () comprises corrugated bottom surface () claim 1 , wherein the double focus lens () is completely contained in the reflection hood () claim 1 , arranged on the corrugated bottom surface () that is inside the inner space of the shielding cone ().73. The optical system according to any of the preceding claims claim 1 , characterized in that the shielding cone () defines a shielding angle (α) greater than 30° claim 1 , preferably greater than 45°. The present invention relates to an optical system that enables wide ...

LIGHTING SYSTEM FOR OUTDOOR LIGHTING

The invention provides a lighting system () comprising (i) n lighting devices (), wherein each lighting device () comprises a light source () configured to generate light source light () and m collimating beam shaping elements () configured to collimate the light source light () into collimated light source light (), and (ii) a light transmissive optics arrangement () comprising an array () of k total internal reflection beam shaping elements (), configured downstream of the m collimating beam shaping elements (), wherein the light transmissive optics arrangement () is configured to receive the collimated light source light () and to transform into a divergent beam of lighting system light (), wherein n≥1, m≥n, and k≥3*m. 1. A lighting system comprising n lighting devices , wherein each lighting device comprises a light source configured to generate light source light and at least one collimating beam shaping element configured to collimate the light source light into collimated light source light , in total m collimating beam shaping elements , and a light transmissive optics arrangement comprising an array of k total internal reflection beam shaping elements , configured downstream of the m collimating beam shaping elements , wherein the light transmissive optics arrangement is configured to receive the collimated light source light and to transform into a divergent beam of lighting system light , wherein n≥1 , m≥n , and k≥3*m , and wherein at least 25% of the total internal reflection beam shaping elements have a conical-like or pyramidal-like shape with topswherein the lighting system comprises at least two types of differently sized beam shaping elements, wherein first beam shaping elements comprise the total internal reflection beam shaping elements, and wherein sets of three or more first beam shaping elements surround one second beam shaping element.2. The lighting system according to claim 1 , wherein the light source comprises a solid state light source ...

OPTICAL DEVICE AND ILLUMINATION DEVICE

An optical device comprises: at least one first reflecting surface disposed so as to reflect first light that has a light distribution having an optical axis parallel to a first axis, to an arc-shaped first region surrounding the first axis; and a second reflecting surface and a third reflecting surface that are disposed such that the second reflecting surface and the third reflecting surface meet each other on the first axis, and such that the first reflecting surface is disposed between the second reflecting surface and the third reflecting surface. 1. An optical device comprising:at least one first reflecting surface disposed so as to reflect at least a part of first light to an arc-shaped first region surrounding a first axis, the first light having a light distribution with an optical axis parallel to the first axis; anda second reflecting surface and a third reflecting surface that are disposed such that the second reflecting surface and the third reflecting surface meet each other on the first axis, and such that the at least one first reflecting surface is disposed between the second reflecting surface and the third reflecting surface.2. The optical device according to claim 1 , wherein the second reflecting surface and/or the third reflecting surface meets the at least one first reflecting surface.3. The optical device according to claim 1 , wherein the at least one first reflecting surface comprises a plurality of first reflecting surfaces separated from each other in a direction along the first axis.4. The optical device according to claim 3 , wherein: the plurality of first reflecting surfaces, and', 'a plurality of transmitting surfaces, each corresponding to a respective one of the plurality of first reflecting surfaces,', 'wherein the plurality of first reflecting surface and the plurality of transmitting surfaces form a multi-stepped inner surface of the optical element, and, 'the optical device comprises an optical element that comprisesthe optical ...

LIGHTING DEVICE, FOR INSTANCE FOR GREENHOUSE LIGHTING, AND CORRESPONDING METHOD OF USE

Various embodiments may relate to a lighting device, e.g. for greenhouse lighting, including a substrate with an array of electrically-powered light radiation sources, e.g. power LEDs. The sources of array are arranged in a first set and in a second set to emit a blue radiation and a red radiation, respectively. 1. A lighting device comprising a substrate with an array of electrically-powered light radiation sources , wherein the sources in said array are arranged in a first set and a second set to emit a blue radiation and a red radiation , respectively.2. The lighting device of claim 1 , wherein said blue radiation and said red radiation are around 444 nm and 660 nm claim 1 , respectively.3. The lighting device of claim 1 , wherein said light radiation sources are arranged side-by-side to form a densely clustered array.4. The lighting device of claim 1 , wherein:the ratio of the radiometric power of said first set to the radiometric power of said second set of light radiation sources is about 0.05, and/or the ratio of the numbers of light radiation sources in said first set and in said second set is about 1:24.5. The lighting device of claim 1 , wherein said light radiation sources are arranged in at least one parallelogram matrix.6. The lighting device of claim 1 , wherein said array includes at least one light radiation source in said first set in a central position of the array surrounded by a plurality of light radiation sources in said second set.7. The lighting device of claim 1 , wherein said light radiation sources are arranged in a plurality of arrays claim 1 , wherein:each array in said plurality of arrays includes at least one light radiation source in said first set arranged off-centre in a respective direction with respect to the centre of the array, andthe arrays of said plurality of arrays are arranged with said respective directions having different orientations.8. The lighting device of claim 7 , wherein:said plurality of arrays includes four ...

LINEAR LIGHTING DEVICE

A linear lighting device may include an elongated housing that defines a cavity. The linear lighting device may include plurality of emitter printed circuit boards configured to be received within the cavity. Each of the plurality of emitter printed circuit boards may include a plurality of emitter modules mounted thereto. Each of the plurality of emitter printed circuit boards may include a control circuit configured to control the plurality of emitter modules mounted to the respective emitter printed circuit board based on receipt of one or more messages. The linear lighting device may include a total internal reflection lens for each of the plurality of emitter printed circuit boards. The total internal reflection lens may be configured to diffuse light emitted by the emitter modules of the plurality of emitter printed circuit boards. 1. A lighting system comprising: an elongated housing defining a cavity extending along a longitudinal axis of the housing;', 'a plurality of printed circuit boards configured to be received within the cavity of the housing; and', 'a plurality of emitter modules mounted to each of the plurality of printed circuit boards;', 'wherein each of the plurality of emitter printed circuit boards has a control circuit mounted thereto, the control circuit configured to control the plurality of emitter modules mounted to the respective emitter circuit board based on receipt of one or more messages, and', receive a DC bus voltage for powering the plurality of emitter printed circuit boards; and', 'conduct drive currents through the plurality of emitter modules mounted to the respective printed circuit board; and, 'wherein each of the plurality of emitter printed circuit boards has a drive circuit mounted thereto, the drive circuit configured to], 'a linear lighting device comprising a wireless communication circuit configured to transmit and receive messages; and', 'a serial communication circuit configured to communicate one or more messages ...

LED LIGHTING ENGINE ADOPTING AN ICICLE TYPE DIFFUSION UNIT

Disclosed is an LED lighting engine adopting an icicle type diffusion unit. The LED lighting source having a surface light source characteristic and an icicle type diffusion unit corresponding to the surface light source are integrally formed through coupling therebetween to provide a shield type structure having waterproof and dustproof functions. Also, the LED lighting engine may improve lighting efficiency and reduce manufacturing costs when compared to an existing lighting device, and may also be applied in various ways. Also, the LED lighting engine may satisfy quality and pricing standards for LED lighting which are the main variables visible to the eyes of a user. In addition, the LED lighting engine may be simply replaced with conventional LED lighting in a one-on-one ratio (size) which greatly influences market competitiveness. Also, the LED lighting engine may be simply and freely adjusted in terms of light uniformity and light diffusion angle. 1. An LED lighting engine adopting an icicle type diffusion unit , The LED lighting engine comprising:a substrate configured to be a chip on board (COB) and constituted of a metal printed circuit board (PCB) made of an aluminum material or a thermal conductive PCB made of a thermal conductive plastic, in which a groove is formed by an etching process, a protruding mounting portion is formed at a center portion of the groove, and a coupling groove is formed at an edge of the groove;an LED light emitting body mounted on the mounting portion of the substrate and constituted of a single LED chip or an OLED with a characteristic of a surface light source;a fluorescent substance covered on the LED light emitting body so as to induce a conversion of a wavelength of a divergent light; andan icicle diffusion unit for simultaneously inducing an internal reflection and refraction for a divergent light of the LED light emitting body so as to enhance a characteristic of a surface light source of the LED light emitting body and ...

Light Mixing Optics And Systems

In one aspect, a light-mixing optic is disclosed for use with one or more light sources such as light emitting diodes. In one embodiment, an exemplary optic can include an optical body disposed about an optical axis and having an input and an output surface and a peripheral surface extending between the two. The input surface can form a central cavity for receiving light from the light sources, if not the light sources themselves. Further, the input surface can be shaped to refract substantially all of the light, received from the one or more light sources away front the optical axis to the peripheral surface of the optic, where that light (e.g., substantially all of it) can be redirected (e.g., via total internal reflection or specular reflection) to the output surface. An array of micro-lenses or other surface features can be formed, on the output surface. Further embodiments, as well as exemplary design methods, are also disclosed. 159.-. (canceled)60. A light-mixing lens , comprising:a lens body disposed about an optical axis and characterized by an output surface and an input surface and a peripheral surface extending between the input and output surfaces,said input surface forming a cavity for receiving light from at least one light source, said cavity being shaped to refract at least about 80 percent of the light received from the at least one light source away from the optical axis and to the peripheral surface of the lens body,said peripheral surface being configured such that light propagating thereto from the cavity is totally internally reflected to the output surface for exiting the lens body,wherein said input surface of the cavity presents a convex surface to light received from the at least one light source, wherein said convex surface tapers to a point on or near the optical axis.61. The light-mixing lens of claim 60 , wherein said convex surface provides a positive optical power for refracting light from the light source incident thereon.62. The ...

Illumination Device for Direct-Indirect Illumination

An illumination device includes a plurality of light-emitting elements (LEEs); a light guide extending in a forward direction from a first end to a second end to receive at the first end light emitted by the LEEs and to guide the received light to the second end; an optical extractor optically coupled to the second end to receive the guided light, the optical extractor including a redirecting surface to reflect a first portion of the guided light, the reflected light being output by the optical extractor in a backward angular range, and the redirecting surface having one or more transmissive portions to transmit a second portion of the guided light in the forward direction; and one or more optical elements optically coupled to the transmissive portions, the optical elements to modify the light transmitted through the transmissive portions and to output the modified light in a forward angular range. 12-. (canceled)3. The illumination device of claim 22 , whereinthe light transmitted through the transmissive portions has a first spectral distribution, andthe one or more optical elements comprise inelastic scattering elements configured to modify the first spectral distribution of the transmitted light such that the output modified light has a second spectral distribution different from the first spectral distribution.4. The illumination device of claim 3 , wherein the second spectral distribution has a larger weight at longer wavelengths than the first spectral distribution.5. The illumination device of claim 22 , wherein the one or more optical elements comprise elastic scattering elements.6. The illumination device of claim 22 , wherein the one or more optical elements comprise lenses.7. The illumination device of claim 22 , whereinthe transmissive portions of the redirecting surface are arranged perpendicular to the forward direction, andthe optical elements are identical, such that each optical element modifies a propagation direction and a divergence of the ...

HYBRID LENS FOR CONTROLLED LIGHT DISTRIBUTION

A lens for distribution of light from a light emitter having an emitter axis. The lens comprising an inner surface and an output surface with faceted and smooth outer regions. At least one of the faceted outer regions is formed by a plurality of pairs of transverse outer regions extending in direction of a plane of bilateral symmetry of the lens. The inner surface defines an inner cavity about the emitter axis and has inner-surface stepwise discontinuities formed by a plurality of pairs of transverse inner regions with intersection regions therebetween. The lens may also have at least two secondary surface portions spaced apart and extending along two sides of the inner surface, the secondary surface portions being configured for total internal reflection (TIR) of light received from the inner surface. 1. A lens for distribution of light from a light emitter having an emitter axis , the lens comprising an output surface with faceted and smooth outer regions , at least one of the faceted outer regions being formed by a plurality of pairs of transverse outer regions extending in direction of a plane of bilateral symmetry of the lens.2. The lens of wherein:the faceted output regions comprise major and minor surfaces; andthe minor surfaces are formed by transverse surface portions with cross-sectional dimensions smaller than cross-sectional dimensions of transverse surface portions of the major surfaces.3. The lens of wherein adjacent transverse outer regions extend to substantially parallel intersection regions therebetween claim 1 , the intersection regions of at least some of the outer-surface stepwise discontinuities are substantially parallel to the plane of bilateral symmetry of the lens.4. The lens of further comprising an inner surface defining an inner cavity about the emitter axis claim 1 , the inner surface comprising inner-surface stepwise discontinuities formed by a plurality of pairs of transverse inner regions with intersection regions therebetween.5. The ...

Optical lens, lens array, and lighting apparatus

An optical lens includes: a first lens surface which defines a space for housing a light emitting diode (LED) light source; a second lens surface formed in a convex shape; and a third lens surface formed continuously from a rear edge portion of the second lens surface, which is on a side opposite an illumination target side. The first lens surface includes a first light-entering surface through which a portion of light from the LED light source enters, and a second light-entering surface through which another portion of the light enters. The third lens surface totally reflects, to a substrate, at least a portion of the light. An angle between the third lens surface and a principal surface of the substrate on a virtual plane which includes an optical axis is smaller than an angle between the second light-entering surface and the principal surface on the virtual plane.

Light Guide Illumination Device for Direct-Indirect Illumination

An illumination device includes light-emitting elements (LEEs); a light guide extending in a forward direction from a first end to a second end, the light guide being positioned to receive at the first end light emitted by the LEEs and to guide the received light to the second end; and an optical extractor coupled to the second end to receive the guided light. The optical extractor is formed from a transparent, solid material and includes a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to the ambient in a forward angular range and a reflective portion arranged and shaped to reflect via TIR all the guided light incident on the reflective portion; and a second output surface arranged to transmit, to the ambient in a backward angular range, light reflected by the reflective portion of the first output surface. 1. (canceled)2. An illumination device comprising:a plurality of light-emitting elements (LEEs);a light guide extending in a forward direction from a first end of the light guide to a second end of the light guide, the light guide being positioned to receive at the first end light emitted by the LEEs and configured to guide the received light to the second end via total internal reflection (TIR); and a first output surface including a transmissive portion arranged and shaped to transmit a first portion of the guided light to ambient environment in a forward angular range and a reflective portion arranged and shaped to reflect via TIR all the guided light incident on the reflective portion, and', 'a second output surface having a curvilinear profile in a cross-section that includes the forward direction, the second output surface arranged to transmit, to the ambient environment in a backward angular range, light reflected by the reflective portion of the first output surface,', 'wherein the reflective portion of the first output surface has a first end and a second end and is arranged to ...

LIGHT-EMITTING APPARATUS AND LIGHT-EMITTING APPARATUS SYSTEM

A light-emitting apparatus includes a first light guide, a converter, a second light guide, and a return. The first light guide includes a first photoreceptor, a second photoreceptor, and a leak. The first light guide guides first light radiated by a radiation apparatus and received by the first photoreceptor and the second photoreceptor. The leak allows second light to be leaked out in a direction crossing a light-guiding direction. The second light is part of the first light. The converter is disposed along the first light guide and converts a wavelength of the second light leaked out of the first light guide. The second light guide does not include the leak and guides third light radiated by the radiation apparatus toward the second photoreceptor. The return returns the third light guided by the second light guide. 1. A light-emitting apparatus connected to a radiation apparatus which radiates laser light , the light-emitting apparatus comprising:a first light guide which includes a first photoreceptor at one end, a second photoreceptor at another end, and a leak, the first light guide guiding first light radiated by the radiation apparatus and received by the first photoreceptor and the second photoreceptor, the leak allowing second light to be leaked out in a direction crossing a light-guiding direction, the second light being part of the first light;a converter which is disposed along the first light guide and converts a wavelength of the second light leaked out of the first light guide;a second light guide which is disposed along the first light guide, includes a third photoreceptor, and does not include the leak, the second light guide guiding third light radiated by the radiation apparatus and received by the third photoreceptor toward the second photoreceptor; anda return which is disposed on a side of the second photoreceptor of the first light guide and returns the third light guided by the second light guide.2. The light-emitting apparatus according to ...

TRACTRIX-BASED OPTICAL DEVICE FOR USE WITH ILLUMINATION SOURCES IN OPTICAL SYSTEMS

A tractrix-based optical device is provided. The tractrix-based optical device includes a light receiving surface, a light emitting surface, and an intermediate portion of transparent material between the light receiving surface and the light emitting surface. The intermediate portion includes a boundary connective surface that adheres to a tractrix when in cross-section to provide total internal reflection of light propagating from the light receiving surface to the light emitting surface. The tractrix-based optical device can align and correlate light from multiple off-axis light emitting elements, or from an extended source light emitting element, thereby providing a generally uniform output distribution. 1. A tractrix-based optical device comprising:a light receiving surface;a light emitting surface spaced apart from the light receiving surface along a common optical axis; andan intermediate portion of transparent material between the light receiving surface and the light emitting surface, wherein the intermediate portion includes a boundary connective surface that adheres to a tractrix when in cross-section to provide total internal reflection of light propagating from the light receiving surface toward the light emitting surface, and wherein the boundary connective surface has a rotational symmetry about the common optical axis and combines light rays from multiple emitting sources propagating through the tractrix-based optical device into a common optical propagation path having a generally uniform output intensity distribution.2. The tractrix-based optical device of wherein the light receiving surface is a first refractive surface and wherein the light emitting surface is a second refractive surface.3. The tractrix-based optical device of wherein the light emitting surface defines a lateral diameter greater than a lateral diameter of the light receiving surface.4. The tractrix-based optical device of wherein the ratio of the diameter of the light emitting ...

Lighting device including a transparent structure

A system can include a light emitting diode (LED) and a transparent structure disposed over the LED. The transparent structure includes a first surface that reflects light extracted from the LED and incident on the first surface. The transparent structure also includes an exit surface opposite the first surface. The exit surface includes a first area that is textured to diffuse light over a first angular range and a second area that is textured to diffuse light over a second angular range. The second angular range is wider than the first angular range.

LIGHTING DEVICE WITH OPTICAL LENS FOR BEAM SHAPING AND REFRACTIVE SEGMENTS

An example lighting device includes a plurality of individually controllable illumination light sources configured to be driven by electrical power to emit light. The lighting device further includes an optical lens positioned over the illumination light sources for beam shaping or steering. The optical lens has a plurality of aspherical, spherical, planar, or freeform surfaces, including an input surface coupled to receive light from the illumination light sources and an output surface. The input surface includes an input peripheral portion and an input central portion. The output surface includes an output lateral portion, an output shoulder portion, and an output body portion. One or both of the input surface or the output surface includes facets. 1. A lighting device comprising:a plurality of individually controllable illumination light sources configured to be driven by electrical power to emit light; andan optical lens positioned over the illumination light sources, the optical lens having a plurality of aspherical, spherical, planar, or freeform surfaces, including an input surface coupled to receive light from the illumination light sources and an output surface; the input surface includes an input peripheral portion and an input central portion,', 'the output surface includes an output lateral portion, an output shoulder portion, and an output body portion,', 'the output lateral portion extends away from the illumination light sources, curves away from the input peripheral portion, and intersects the output shoulder portion,', 'the output shoulder portion abuts the output body portion, and', 'one or both of the input surface or the output surface includes facets., 'wherein2. The lighting device of claim 1 , wherein the facets are flat or somewhat flat.3. The lighting device of claim 1 , wherein the input peripheral portion includes the facets.4. The lighting device of claim 1 , wherein the input central portion includes the facets.5. The lighting device of ...

Light-Emitting Device with Remote Scattering Element and Total Internal Reflection Extractor Element

A variety of light-emitting devices are disclosed that are configured to output light provided by a light-emitting element (LEE). In general, embodiments of the light-emitting devices feature a light-emitting element, a scattering element that is spaced apart from the light-emitting element and an extractor element coupled to the scattering element, where the extractor element includes, at least in part, a total internal reflection surface. Luminaires incorporating light-emitting devices of this type are also disclosed.

Light guiding unit, light guiding device, and lighting and/or signal indicating device

A light guiding unit, light guiding device, and lighting and/or signal indicating device comprising a light entry side, for receiving incident light; a light exit side, opposite the light entry side, for emitting emergent light; and a first reflecting side, on which is disposed a reflecting face for reflecting, towards the light exit side, at least a portion of light that has entered through the light entry side, wherein the first and second entry faces have curved shapes and are disposed on the light entry side, the first and second entry faces a first incident and a second incident light portion respectively, and collimating the first incident and second incident light portion respectively in a plane lying along a first direction, wherein one of the first and second entry faces guides the first or second incident light portion corresponding thereto towards the reflecting face on the first reflecting side. 1. A light guiding unit , comprising:a light entry side for receiving incident light;a light exit side, disposed opposite said light entry side, for emitting emergent light; anda first reflecting side on which is disposed a reflecting face for reflecting, towards said light exit side, at least a portion of light that has entered through sad light entry side,wherein a first entry face and a second entry face are disposed on said light entry side, said first entry face and said second entry face receiving a first incident light portion and a second incident light portion respectively, and collimating said first incident light portion and said second incident light portion respectively in a plane lying along a first direction,wherein said first entry face and said second entry face have curved shapes, and one of said first entry face and said second entry face guides said first incident light portion or said second incident light portion corresponding thereto towards said reflecting face on first reflecting side.2. The light guiding unit according to claim 1 , ...

A DIELECTRIC COLLIMATOR WITH A REJECTING CENTER LENS

A dielectric collimator () comprising a center lens (), the center lens comprising a light input surface () and a light exit surface (), the light exit surface () being convex and substantially hemispherical, and the light input surface () comprising a central surface section () forming a light transmitting portion of the center lens adapted for receiving incoming light () and transmitting it to be emitted from the light exit surface, and a peripherally extending, annular outer surface section () being substantially plane and adapted for redirecting incoming light () in such a manner that the redirected light () undergoes TIR at the light exit surface and is emitted back out of the light input surface. 1. A dielectric collimator comprising a center lens , the center lens comprising a light input surface and a light exit surface ,the light exit surface being convex and substantially hemispherical, andthe light input surface comprising a central surface section forming a light transmitting portion of the center lens adapted for receiving incoming light and transmitting it to be emitted from the light exit surface, whereby the center lens serves as a normal refracting lens, and a peripherally extending, annular outer surface section being plane and adapted for redirecting incoming light in such a manner that the redirected light undergoes TIR at the light exit surface, whereby the center lens serves as a TIR reflecting lens, and is emitted back out of the light input surface.2. A dielectric collimator according to claim 1 , wherein the light input surface of the center lens comprises a center C and wherein the outer surface section extends over a part of the light input surface extending in a distance from the center C in the interval from 1/n*r to r claim 1 , where n is the refractive index of the material of the center lens and r is the radius of the substantially hemispherical light exit surface.3. A dielectric collimator according to claim 1 , wherein the outer ...

COLLIMATOR AND A LIGHTING UNIT

The invention provides a collimator comprising a Fresnel lens comprising a refractive lens portion and a toothed total internal reflection portion. A light blocking element is at least between the lens portion and the light source. A portion of a light source output is blocked from reaching at least one region of the inner lens portion. At some or all parts of the lens portion, light does not reach those parts from the full area of the light source. This partial light blocking means the whole shape of the light source is not projected onto all of the lens portion, and the halo effect is reduced or eliminated. 1. A collimator , having a focal point , for positioning over a light source to be provided at the focal point in a light source position , the collimator comprising:a Fresnel lens comprising a refractive inner lens portion and an outer toothed total internal reflection portion, the Fresnel lens having an optical axis which passes through the center of the inner lens portion and through the light source position; anda light blocking element between at least the inner lens portion of the Fresnel lens and the light source position, wherein the light blocking element is adapted such that the inner lens portion has at least one reduced image region, said reduced image region being an area of the inner lens portion where only a portion of the whole shape of the light source can be projected onto when the light source is positioned in the light source position.2. A collimator as claimed in claim 1 , wherein the reduced-image region comprises at least a portion of the inner lens portion at the optical axis.3. A collimator as claimed in claim 2 , wherein the light blocking element comprises a conical baffle.4. A collimator as claimed in claim 3 , wherein the conical baffle has a first opening adjacent the light source position claim 3 , and a second claim 3 , larger claim 3 , opening adjacent the inner lens portion claim 3 , wherein the second opening is smaller than ...

OPTIC ASSEMBLIES AND APPLICATIONS THEREOF

In one aspect, optic assemblies are provided comprising a collimating optic directing light along a collimation axis and light redirection elements comprising facets for redirecting a portion of the light in one or more directions away from the collimation axis. 1. An optic comprising:a vertical axis;facets having orientation relative to the vertical axis at one or more angles supporting redirection of light by total internal reflection; andone or more refractive elements, wherein the facets and refractive elements work in conjunction to redirect light away from the vertical axis.2. The optic of claim 1 , wherein the facets and refractive elements are adjacent to one another.3. The optic of claim 1 , wherein the facets comprise annular segments.4. The optic of claim 3 , wherein the annular facets define a cavity of the optic.5. The optic of claim 4 , wherein the cavity is of dimension to receive a light source.6. The optic of claim 5 , wherein the light source is a light emitting diode.7. The optic of claim 1 , wherein the facets have uniform spacing relative to one another.8. The optic of claim 7 , wherein the facets have non-uniform spacing relative to one another.9. The optic of claim 1 , wherein facet height varies between the facets.10. The optic of claim 1 , where one or more of the facets has radial curvature.11. The optic of claim 10 , wherein the radial curvature is set according to several polynomial functions forming segments of the facet.12. The optic of claim 1 , wherein the facets are arranged in an array.13. A luminaire comprising:a light source; andat least one optic receiving light from the light source, the optic comprising a vertical axis, facets having orientation relative to the vertical axis at one or more angles supporting redirection of the light by total internal reflection, and one or more refractive elements, wherein the facets and refractive elements work in conjunction to redirect light away from the vertical axis.14. The luminaire of ...

LED LENS

A lens for primarily forward distribution of light from a light emitter which has an emitter axis in a front-to-back centerplane. The lens has a base surface which is adjacent the emitter and forms a light-entrance opening, an inner surface which defines a light-receiving cavity and includes front and back regions extending from the light-entrance opening, and an outer surface which has front and back regions adjoined by a middle region. The back region includes a back portion configured for forward total internal reflection (TIR) of rearward light received from the inner surface. The back portion extends transverse to the front-to-back centerplane away from the base surface from positions which are closer to the base surface than the innermost cavity region and terminates with a distal end which is closer to the base surface than outermost positions of the front region. The back portion terminates laterally at positions closer to the front-to-back centerplane than lateral edges of the light-entrance opening and, in the front-to-back centerplane, the emitter axis is no farther from the back portion of the outer surface than from a back edge of the light-entrance opening. 1. A lens for primarily forward distribution of light from a light emitter having an emitter axis , comprising:a base surface adjacent the emitter and forming a light-entrance opening;an inner surface defining a light-receiving cavity and including front and back regions extending from the light-entrance opening to an innermost region of the cavity; andan outer surface including front and back regions adjoined by a middle region, the back region of the outer surface comprising a back portion which extends in a direction away from the base surface to a distal end from positions which are closer to the base surface than the innermost cavity region, the back portion of the outer surface being configured for forward total internal reflection (TIR) of rearward light received from the inner surface.2. The ...

Illumination Apparatus and Method for the Generation of an Illumination Field

An illumination apparatus () for the generation of an illumination field () for an optoelectronic sensor () is provided which has at least one light source () and an illumination optics (), in particular comprising a TIR lens () in order to guide the light of the light source () into the illumination field () in a directed manner, wherein the illumination optics () has a light entrance region (), a light guidance region () having a jacket surface () and a light exit region () such that the light () of the light source () is guided from the light entrance region () to the light exit region () in the illumination optics () by means of total reflection at the jacket surface (). In this connection the illumination optics () has an adaptable optical beam forming element () at the light exit region () in order to set the light distribution of the irradiated light (). The beam forming element () has at least one elastic micro-lens field () having elastically deformable micro-lenses and a pressure element () in order to compress or to remove a load from the micro-lenses. 1. An illumination apparatus for the generation of an illumination field for an optoelectronic sensor which has at least one light source and an illumination optics in order to guide the light of the light source into the illumination field in a directed manner , wherein the illumination optics has a light entrance region , a light guidance region having a jacket surface and a light exit region , such that the light of the light source is guided from the light entrance region to the light exit region in the illumination optics by means of total reflection at the jacket surface ,wherein the illumination optics has an adaptable optical beam forming element at the light exit region in order to set the light distribution of the irradiated light, wherein the beam forming element has at least one elastic micro-lens field having elastically deformable micro-lenses and a pressure element in order to compress the ...

Light source module and display apparatus

A display apparatus including a display panel and a light source module is provided. The display panel displays an image frame according to a light beam. The light source module provides the light beam to the display panel. The light source module includes a light emitting device, a lens module, a reflection device, and a light emitting surface. The light emitting device provides the light beam. The lens module is disposed in a transmission path of the light beam and adjusts the light beam to be focused or dispersed. The reflection device receives the light beam passing from the lens module and reflects the light beam to the light emitting surface. The lens module includes a lens disposed in the transmission path of the light beam and moves relative to the light emitting device to adjust a viewing angle of the light emitting surface.

LAMP

A lamp, including: a plate, material thereof being optically transparent, the plate including two parallel surfaces and at least one rough width surface for illuminating outside the lamp; a plurality of illuminating sources disposed adjacent and along at least another width surface of the plate; and a user-movable shutter, for covering any of the plurality of illuminating sources, thereby the at least one rough width surface is uniformly illuminated, and thereby moving of the shutter adjusts intensity of the uniform illumination. 2. A lamp according to claim 1 , wherein said two parallel surfaces of said plate are optically polished claim 1 , thereby providing total internal reflection therealong.356. A lamp according to claim 1 , wherein said shutter comprises a roller shutter ().4. The lamp according to claim 1 , wherein at least one of said least one rough illuminating surface is parallel to said other width surface of said plate. The invention relates to the field of lamps. More particularly, the invention relates to a mechanical operable lamp.There is a long felt need to provide a mechanical operable lamp, for providing uniform intensity.A lamp, including: a plate, material thereof being optically transparent; a plurality of illuminating sources; and a user-movable shutter, for covering any of the plurality of illuminating sources.The drawings are not necessarily drawn to scale.The invention will be understood from the following detailed description of embodiments of the invention, which are meant to be descriptive and not limiting. For the sake of brevity, some well-known features are not described in detail.The reference numbers have been used to point out elements in the embodiments described and illustrated herein, in order to facilitate the understanding of the invention. They are meant to be merely illustrative, and not limiting. Also, the foregoing embodiments of the invention have been described and illustrated in conjunction with systems and methods ...

LENS MEMBER AND VEHICLE LIGHTING UNIT

A lens member in front of a light source can include: an incident portion dividing the entering light rays into first light rays obliquely upward and forward and second light rays obliquely upward and rearward; a first reflecting surface reflecting the first light rays; a second reflecting surface reflecting the second light rays; a third reflecting surface reflecting the second light rays reflected by the second reflecting surface; a fourth reflecting surface reflecting at least part of the first light rays reflected by the first reflecting surface and the second light rays reflected by the third reflecting surface; and a light exiting surface having a convex lens surface having a rear-side focal point. The fourth reflecting surface extends rearward from the rear-side focal point. A predetermined light distribution pattern is formed by superposing first and second partial light distribution patterns upon each other as a synthetic light distribution pattern. 1. A lens member , to be disposed in front of a light source , configured to include: a front end portion and a rear end portion , and to form a predetermined light distribution pattern including a cut-off line at an upper edge thereof by causing light rays emitted from the light source and entering the lens member to exit through the front end portion for irradiation , the lens member comprising:an incident portion configured to allow the light rays from the light source to enter the lens member while dividing the entering light rays into first light rays that travel obliquely upward and forward and second light rays that travel obliquely upward and rearward;a first reflecting surface configured to internally reflect the first light rays;a second reflecting surface configured to internally reflect the second light rays;a third reflecting surface configured to internally reflect the second light rays that have been internally reflected by the second reflecting surface;a fourth reflecting surface configured to ...

THEATRE LIGHT APPARATUS AND METHOD INCORPORATING A PLURALITY OF LIGHT SOURCES WITH ANTI-COLLISION

A theatrical apparatus including a first light source, a second light source and a third light source, a computer memory, and a computer processor. Each of the first, second, and third light sources may have current positions; and each may be configured to be remotely operated by the computer processor executing computer operating software to have its current position changed, independent of the other light sources. Data indicating the current position of each of the first, second, and third light sources, including a position count value for each of the first, second, and third light sources, is stored in the computer memory by the computer processor executing the computer operating software. The computer processor may be programmed by the computer operating software to use the position count values prevent collisions between the light sources. 1. A theatrical apparatus comprising:a first light source, a second light source and a third light source;a computer memory, and a computer processor;wherein computer operating software is stored in the computer memory and is configured to be executed by the computer processor;wherein the first light source has a current position;wherein the first light source is configured to be remotely operated by the computer processor executing the computer operating software to have its current position changed from a first position to a second position, independent of the second light source and the second light source and the third light source;wherein the second light source has a current position;wherein the second light source is configured to be remotely operated by the computer processor executing the computer operating software to have its current position changed from a third position to a fourth position, independent of the first light source and the third light source;wherein the third light source has a current position;wherein the third light source is configured to be remotely operated by the computer processor executing ...

Light Guide Illumination Device With Light Divergence Modifier

An illumination device includes a light-emitting element (LEEs); a light guide extending in a forward direction from a first end to a second end to receive at the first end LEE light and to guide the light to the second end, such that divergence of the light received at the first end and divergence of the guided light that reaches the second end are substantially the same; a light divergence modifier optically coupled to the light guide at the second end to receive the guided light, to modify the divergence of the guided light, such that the light provided by the light divergence modifier has a modified divergence different from the divergence of the guided light; and an optical extractor optically coupled to the light divergence modifier, to output into the ambient environment light provided by the light divergence modifier as output light in one or more output angular ranges. 1. An illumination device comprising:a plurality of light-emitting elements (LEEs);a light guide extending in a forward direction from a first end of the light guide to a second end of the light guide, the light guide being positioned to receive at the first end light emitted by the LEEs and configured to guide the light to the second end, wherein divergence of the light received at the first end and divergence of the guided light that reaches the second end are substantially the same;a light divergence modifier having an input aperture optically coupled to the light guide at the second end to receive the guided light and an output aperture, the light divergence modifier being flared such that the input aperture is smaller than the output aperture, thereby light provided by the light divergence modifier at the output aperture has a modified divergence smaller than the divergence of the guided light; andan optical extractor optically coupled to the output aperture of the light divergence modifier and comprising a first redirecting surface, the first redirecting surface of the optical extractor ...

ILLUMINATED CLIP AND METHODS OF USE

A surgical clip for illuminating tissue in a surgical field has first and second elongate arms and a connector joining the arms together. The arms are biased to expand laterally outward into an expanded configuration in which the arms engage the tissue in the surgical field with enough force to seat the clip without retracting the tissue. A waveguide illuminator is coupled to the first arm, and has a light input portion, a light output portion, and a light conducting portion extending between the light input portion and the light output portion. Light passes through the waveguide illuminator by total internal reflection, and the waveguide illuminator directs light to the tissue. Methods of using the illuminated clip are also disclosed. 1. A surgical clip for illuminating tissue in a surgical field , said surgical clip comprising:a first elongate arm;a second elongate arm;a connector element joining the first and second elongate arms, wherein the arms are biased to expand laterally outward into an expanded configuration that engages the tissue and seats the clip; andan illuminator coupled to the first arm, wherein the illuminator provides light for illuminating the surgical field.2. The surgical clip of claim 1 , wherein the first arm has a proximal portion and a distal portion claim 1 , wherein the proximal portion is biased to preferentially flex in a first direction claim 1 , and wherein the distal portion is biased to preferentially flex in a second direction different than the first direction.3. The surgical clip of claim 2 , wherein the proximal portion is twisted relative to the distal portion.4. The surgical clip of claim 1 , further comprising a connector element coupled to the first arm claim 1 , wherein the connector element releasably couples the illuminator to the first arm.5. The surgical clip of claim 4 , wherein the connector element comprises a snap fitting.6. The surgical clip of claim 1 , wherein the first arm comprises a pivoting mechanism for ...

THREE-DIMENSIONAL IMAGE DISPLAYING DEVICE AND THREE-DIMENSIONAL IMAGE DISPLAY

A three-dimensional image displaying device is provided. The three-dimensional image displaying device includes an element image array, a backlight source, and a pinhole array. The light reinforcing structure is disposed on the back side of the pinhole array for increasing the light extracting rate of the pinhole array. The light extracting rate of the pinhole array is raised by disposing the light reinforcing structure on the back side of the pinhole array, and therefore the display brightness of the three-dimensional image displaying device is increased. 1. A three-dimensional image displaying device comprising:an element image array including a plurality of pixel cells for displaying three-dimensional scene information;a backlight source for providing the element image array with a display light source to reconstruct a three-dimensional scene in a display area; anda pinhole array including a plurality of pinholes for transforming light emitted from the backlight source into scattered light of a point light source;wherein a light reinforcing structure is disposed on a back side of the pinhole array for increasing a light extracting rate of the pinhole array, the back side of the pinhole array is a side of the pinhole array facing the backlight source, the light reinforcing structure is a reflective film disposed on the back side of the pinhole array, and the reflective film is a metallic high-reflective film or a bubble polymer film disposed in a non-pinhole area of the back side of the pinhole array.2. The three-dimensional image displaying device as claimed in claim 1 , wherein the reflective film is disposed near a pinhole area on the back side of the pinhole array.3. A three-dimensional image displaying device comprising:an element image array including a plurality of pixel cells for displaying three-dimensional scene information;a backlight source for providing the element image array with a display light source to reconstruct a three-dimensional scene in a ...

INTERNAL REFLECTIVE LIGHT FIXTURE

The present invention is an internal reflective light fixture, comprising a luminescence unit, a reflection member and a cup body. The luminescence unit comprises a light-holding part for emitting a light ray. The reflection member comprises a securing part and a reflection part, wherein the reflection part is formed at one side of the securing part and forms a reflective curved surface with a first reflective layer. The cup body contains the luminescence unit and the reflection member. The cup body comprises a second reflective layer formed on the interior wall of the cup body, a first containing space and a securing trough. The securing trough is provided to fix the securing part so that the reflection part is exposed at the first containing space. The light ray is reflected to the second reflective layer by the first reflective layer and then emitted from the cup body. 1. An internal reflective light fixture , comprising:a luminescence unit having a light-holding part and a lighting part, wherein the luminescence unit emits a light ray,a reflection member to combine the lighting part, wherein the reflection member has a securing part and a reflection part, wherein the reflection part is formed at one side of the securing part, and the reflection part forms a reflective curved surface, wherein a first reflective layer is formed over the reflective curved surface,a cup body to contain the luminescence unit and the reflection member, wherein the cup body has a second reflective layer, a first containing space and a securing trough, wherein the second reflective layer is formed on the interior wall of the cup body; the securing trough is provided to fix the securing part so that the reflection part is exposed at the first containing space,wherein the light ray is reflected to the second reflective layer by the first reflective layer and is further emitted from the cup body.2. An internal reflective light fixture according to claim 1 , wherein the luminescence unit ...

MULTI-FACET LENS HAVING CONTINUOUS NON-SPHERICAL CURVED PORTION

The present invention relates to a multi-facet lens having a continuous non-spherical curved portion, and more particularly, when a thickness direction of the lens is defined as a vertical direction, to a multi-facet lens having a continuous non-spherical curved portion which allows luminous efficiency to be improved through a continuous non-spherical curved portion which has no dummy surface and no step in a direction perpendicular to a light input portion of a vertical lens. 1. A multi-facet lens having a continuous non-spherical curved portion , comprising:a reflector provided with a total internal reflection structure including a first Bezier curved surface, a second Bezier curved surface, and a third Bezier curved surface, which have different shapes, such that light emitted from a light source is collected while having a feature of straightness parallel to an optical axis;a light input portion integrally formed at one side of the reflector and including inner wall surfaces extending from edges of the first Bezier curved surface, the second Bezier curved surface, and the third Bezier curved surface in an inward direction of the reflector, and a continuous non-spherical curved portion corresponding to a bottom surface of a groove-shaped space surrounded by the inner wall surfaces; anda light output portion integrally formed at the other side of the reflector and configured to emit light incident through the light input portion and light totally internally reflected by the reflector to be parallel to the optical axis.2. The multi-facet lens of claim 1 , wherein the continuous non-spherical curved portion is formed in a curved surface extending from corner portions claim 1 , at which the inner wall surfaces meet the continuous non-spherical curved portion claim 1 , to an uppermost position which is a central portion of the continuous non-spherical curved portion so as to reflect the light of the light input portion to the first Bezier curved surface claim 1 , the ...

OPTICAL LENS ASSEMBLY AND ILLUMINATION DEVICE COMPRISING THE SAME

An illumination device and the optical lens assembly thereof are provided. The illumination device includes the optical lens assembly, a light source and a driving device. The optical lens assembly includes an inner lens and an outer lens. The inner lens has a reflector having a light emission portion and a light incidence portion. An accommodating space is formed in the reflector adjacent to the light incident portion. The outer lens has a light guiding column and an outer light emission portion connected to the top of the light guiding column. The outer lens is disposed at a side of the inner lens, the light guiding column corresponds to the accommodating space, the outer light emission portion corresponds to the light emission portion. The driving device enables the outer and inner lenses to move toward or away from each other. The guiding column moves relative to the accommodating space. 1. An optical lens assembly , comprising:an inner lens having a reflector, the reflector having a light emission portion and a light incidence portion, and an accommodating space is formed in the reflector and adjacent to the light incidence portion; andan outer lens having a light guiding column and an outer light emission portion connected to a top end of the light guiding column, the outer lens being disposed at a side of the inner lens, wherein the light guiding column corresponds to the accommodating space and is disposed in the accommodating space, and the outer light emission portion corresponds to the light emission portion and covers the light emission portion;wherein the outer lens and the inner lens are configured to move toward or move away from each other, and the light guiding column is configured to move relative to the inner lens in the accommodating space.2. The optical lens assembly according to claim 1 , wherein an outer surface of the reflector forms a total reflection surface for reflecting light from the light incidence portion to the light emission portion ...

REMOTE SOURCE LIGHT-GUIDING LIGHT ASSEMBLY

A light assembly may include a reflector having a reflective surface that defines an internal volume. A focal point is within the internal volume. A light source may be positioned outside of the internal volume of the reflector. The light source is configured to generate at least one light beam. A light guide may include an input end proximate to the light source and an output end proximate to the reflective surface. The light guide is configured to receive the light beam(s) at the input end and direct the light beam(s) out of the output end toward the reflective surface. 1. A light assembly comprising:a reflector having a reflective surface that defines an internal volume, wherein a focal point is within the internal volume;a light source positioned outside of the internal volume of the reflector, wherein the light source is configured to generate at least one light beam; anda light guide including an input end proximate to the light source and an output end proximate to the reflective surface, wherein the light guide is configured to receive the at least one light beam at the input end and direct the at least one light beam out of the output end toward the reflective surface.2. The light assembly of claim 1 , wherein the output end of the light guide is positioned at or proximate to the focal point.3. The light assembly of claim 1 , further comprising at least one actuator that is configured to move the output end of the light guide relative to the focal point.4. The light assembly of claim 1 , wherein the light source is outside a light emission envelope of the light assembly.5. The light assembly of claim 1 , wherein the light guide is formed of an optically-transparent material claim 1 , wherein the light guide is configured to direct the one or more light beams from the input end to the output end through total internal reflection.6. The light assembly of claim 1 , wherein the light guide includes a beam input segment integrally connected to a beam output ...

Method and System for Managing Light from a Light Emitting Diode

A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit 1. An illumination system comprising:a light source having an optical axis; andan optic disposed adjacent the light source so the optical axis extends through the optic, the optic comprising one or more retroreflectors that are oriented to receive light that is propagating away from the optical axis and retroreflect the received light towards the optical axis.2. The illumination system of claim 1 , wherein the light source comprises at least one light emitting diode claim 1 , andwherein the one or more retroreflectors are configured to transmit a first portion of the received light and retroreflect a second portion of the received light.3. The illumination system of claim 1 , wherein the light source comprises at least one light emitting diode claim 1 , andwherein the one or more retroreflectors comprises one or more cube edges.4. The illumination system of claim 1 , wherein the light source comprises a light emitting diode claim 1 , andwherein each of the one or more retroreflectors comprises a pair of internally reflective surfaces that cooperatively retroreflect light.5. An illumination system comprising:a light emitting diode comprising a substrate, wherein a reference plane disposed perpendicular to the substrate extends through at least a portion of the light emitting diode; andan optic comprising a first ...

OPTICAL DEVICE AND OPTICAL SYSTEM APPARATUS

An optical device including at least a part of a rotation body acquired by rotating a reference plane shape or a parallelly shifted body acquired by parallelly shifting the reference plane shape, the reference plane shape including an incidence portion allowing light from a predetermined site to enter, an emit portion that reflects the light which has traveled through the incidence portion and which is directly irradiated and a first reflection portion that reflects the reflected light by the emit portion toward the emit portion. The reference plane shape may include a second reflection portion that reflects the light which has traveled through the incidence portion and which is directly irradiated to the emit portion. An optical system apparatus includes a light source placed at the predetermined site. 1. An optical device comprising:at least a part of a rotation body acquired by rotating a reference plane shape or a parallelly shifted body acquired by parallelly shifting the reference plane shape, an incidence portion allowing light from a predetermined site to enter;', 'an emit portion that reflects the light which has traveled through the incidence portion and which is directly irradiated; and', 'a first reflection portion that reflects the reflected light by the emit portion toward the emit portion., 'wherein the reference plane shape comprises'}2. The optical device according to claim 1 , wherein the incidence portion is a circular arc around the predetermined site.3. The optical device according to claim 2 , wherein the emit portion is a parabola having the predetermined site being as a focal point.4. The optical device according to claim 1 , wherein the first reflection portion is in a shape that reflects the light in such a way that a refraction direction at the emit portion becomes a direction of a shortest straight line that interconnects the predetermined site with the emit portion.5. The optical device according to claim 1 , wherein the first reflection ...

LUMINAIRES AND COMPONENTS THEREOF

A lens comprises a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; and a light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof. In some embodiments, luminaire comprises an array of light emitting diodes, and the lens positioned over the array of light emitting diodes. 1. A lens comprising:a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; anda light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof, wherein the central refractive region and total internal reflection faces direct light received by the lens to the refractive extraction surfaces and the total internal reflection extraction surfaces.2. The lens of claim 1 , wherein the grooves are arranged in a concentric format.3. The lens of claim 1 , wherein the grooves are arranged in a linear format.4. The lens of claim 1 , wherein the grooves are arranged in a recti-linear format.5. The lens of claim 1 , wherein the light extraction side comprises facets including the total internal reflection extraction surfaces.6. The lens of claim 1 , wherein the central refractive region comprises a convex surface.7. (canceled)8. The lens of claim 1 , wherein the central refractive region and the total internal reflection faces direct the light received by the lens in a direction parallel to a central vertical axis of the lens.9. The lens of claim 8 , wherein the refractive extraction surfaces and the total internal reflection extraction surfaces redirect the light received from the ...

OPTICAL DEVICE AND OPTICAL SYSTEM APPARATUS

An optical device which can be easily manufactured and which is capable of guiding light to a forward widespread range without waste, and an optical system apparatus that utilizes the same. The optical device controls a light distribution of entering light from a predetermined site and emits the controlled light, and includes a reflection utilizing portion that includes a plurality of convex structures each including an incidence surface allowing the light from the predetermined site to travel therethrough, and a reflection surface reflecting the traveling light through the incidence surface in a predetermined direction, and an emit surface that emits that emits the reflected light by the reflection surface in a predetermine light distribution direction. 1. An optical device which controls a light distribution of entering light from a predetermined site and which emits the controlled light , the optical device comprising: a plurality of convex structures each including an incidence surface allowing the light from the predetermined site to travel therethrough, and a reflection surface reflecting the traveling light through the incidence surface in a predetermined direction; and', 'an emit surface that emits that emits the reflected light by the reflection surface in a predetermine light distribution direction., 'a reflection utilizing portion that comprises'}2. The optical device according to claim 1 , which is a rotation body having a plane shape for reference rotated around a center line that is a straight line passing through the predetermined site.3. The optical device according to claim 1 , which is in a shape having a plane shape for reference parallelly shifted in a normal direction of the plane shape.4. The optical device according to claim 2 , wherein claim 2 , in the plane shape claim 2 , the incidence surface is a circular arc around the predetermined site.5. The optical device according to claim 4 , wherein claim 4 , in the plane shape claim 4 , the ...

LIGHTING DEVICE FOR A HOUSEHOLD APPLIANCE, AND HOUSEHOLD APPLIANCE

A lighting device for a household appliance includes at least two light sources and a lens body which is configured at least partially to have at least two lens cones associated to the two light sources in one-to-one correspondence. Each of the lens cones has a light exit surface. 112-. (canceled)13. A lighting device for a household appliance , comprising:at least two light sources; anda lens body configured at least partially to have at least two lens cones associated to the two light sources in one-to-one correspondence, each said lens cone having a light exit surface.14. The lighting device of claim 13 , wherein the light exit surfaces of the lens cone abut one another in the lens body.15. The lighting device of claim 13 , wherein the light exit surfaces of the lens cone partially overlap in the lens body.16. The lighting device of claim 13 , wherein at least one of the lens cones of the lens body is embodied as a TIR (Total Inner Reflection) lens.17. The lighting device of claim 13 , wherein the lens body is made of plastic.18. The lighting device of claim 13 , wherein at least one of the at least two light sources comprises an LED (Light Emitting Diode).19. The lighting device of claim 13 , wherein at least one of the at least two light sources comprises a white light LED.20. The lighting device of claim 13 , wherein the at least two light sources output light with color temperatures which differ from one another.21. The lighting device of claim 13 , further comprising a dimmer apparatus claim 13 , at least one of the at least two light sources being connected to the dimmer apparatus.22. The lighting device of claim 21 , wherein the dimmer apparatus represents a current intensity regulation unit or a pulse width modulation unit.23. The lighting device of claim 13 , wherein the lens body has boreholes on a side facing a light outlet claim 13 , with one of the at least two light sources being introduced into one of the boreholes and the other one of the at least ...

Diffusive Light Illuminator

A diffusive illuminator is provided. The diffusive illuminator includes a set of light sources and a light guiding structure including a plurality of layers. At least some of the layers can be formed of a fluoropolymer and at least one layer can be formed of a transparent fluid. The light guiding structure also includes an emission surface through which diffused light exits. The light guiding structure can further include diffusive elements associated with at least one of the plurality of layers. Each diffusive element can diffuse the light to within forty percent of Lambertian distribution. The diffusive elements can be arranged based on a desired uniformity of the diffused light at a target distance corresponding to a surface to be illuminated. The diffusive illuminator can emit ultraviolet light, and can be implemented as part of a disinfection system. 1. A diffusive illuminator comprising:a set of light sources;a light guiding structure including a plurality of layers, wherein the light guiding structure includes a plurality of layers formed of a fluoropolymer and at least one layer formed of a transparent fluid, and wherein the light guiding structure includes an emission surface through which diffused light exits; anda plurality of diffusive elements associated with at least one of the plurality of layers, wherein each of the plurality of diffusive elements diffuses the light to within forty percent of Lambertian distribution, and wherein the plurality of diffusive elements are arranged based on a desired uniformity of the diffused light at a target distance corresponding to a surface to be illuminated.2. The diffusive illuminator of claim 1 , wherein the plurality of diffusive elements includes a plurality of diffusive elements formed on a surface of at least one of the plurality of layers.3. The diffusive illuminator of claim 1 , wherein the plurality of diffusive elements includes a plurality of diffusive elements located within at least one of the at least ...

Responsive Construction Toy

A responsive construction toy is disclosed. The responsive construction toy, also known as LumenLinks™, comprises at least one active rod and at least one connector. The active rod has an optics end and a push-pull transducer. The active rod illuminates with varying intensity and color to signify magnitude and direction of force on the active rod. Three dimensional structures such as trusses, buildings, and towers can be built by connecting active rods and connectors. When a structure is built, the forces on each active rod can be visually interpreted, thus providing an educational toy that has both tangible and concrete elements as well as responsiveness and feedback. 1. A responsive construction toy comprising:An active rod comprising a generally elongated member having a first end and a second end, a first plug mechanically coupled to the first end of the generally elongated member, a second plug mechanically coupled to the second end of the generally elongated member, an optics end component electrically and mechanically coupled to the generally elongated member, and a push-pull transducer end mechanically coupled to the generally elongated member; andan X-Y connector comprising a first conductive ring, a second, conductive ring concentric with the first conductive ring and electrically separated from the first conductive ring by an insulator, and a third conductive ring concentric with the second conductive ring and electrically separated from the second, conductive ring by an insulator, a plurality of X-Y sockets arranged circumferentially about the X-Y connector and passing radially inward, and a Z socket concentric with the conductive rings.2. The responsive construction toy of claim 1 , further comprising a Z connector comprising a first conductive arc claim 1 , a second conductive arc concentric with the first conductive arc and electrically separated from the first conductive arc by an insulator claim 1 , and a third conductive arc concentric with the ...

METHOD AND SYSTEM FOR LED LAMP INCORPORATING INTERNAL OPTICS FOR SPECIFIC LIGHT DISTRIBUTION

An apparatus including a diffuser defining an enclosed area within an interior of the diffuser; a solid state light source, disposed within the interior of the diffuser, emitting light therefrom in a direction away from a horizontal plane containing the solid state light source; optics disposed within the interior of the diffuser adjacent to and above the solid state light source to reflect, utilizing total internal reflection (TIR) and refractive mechanisms, at least a portion of the light emitted from the solid state light source. 1. An apparatus comprising:a diffuser defining an enclosed area within an interior of the diffuser;a solid state light source, disposed within the interior of the diffuser, emitting light therefrom in a direction away from a horizontal plane containing the solid state light source; andoptics disposed within the interior of the diffuser adjacent to and above the solid state light source to reflect, utilizing total internal reflection (TIR) and refractive mechanisms, at least a portion of the light emitted from the solid state light source.2. The apparatus of claim 1 , further comprising a printed circuit board claim 1 , wherein the solid state light source is electrically coupled to the printed circuit board.3. The apparatus of claim 1 , wherein the solid state light source comprises a plurality of solid state light sources.4. The apparatus of claim 1 , wherein the diffuser is tube-shaped.5. The apparatus of claim 1 , wherein the diffuser is elongated claim 1 , and the optics extends substantially a length of the diffuser.6. The apparatus of claim 1 , wherein the optics comprise a unitary component.7. The apparatus of claim 1 , wherein the optics comprise:a first protrusion on a distal side of the solid state light source, the first protrusion having a triangular cross-sectional shape;a second protrusion on a distal side of the solid state light source opposing the first protrusion and forming a juncture with the first protrusion above ...

Method and System for Managing Light from a Light Emitting Diode

A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit 1. An illumination system comprising:an optic comprising an interior surface that defines a cavity and an exterior surface opposite the interior surface; anda light emitting diode disposed to emit light into in the cavity, transmit and emit a first portion of the emitted light that is oriented in a street side direction;', 'with a region of the interior surface, focus a second portion of the emitted light that is oriented in a house side direction;', 'with a surface that is internally reflective, receive the focused second portion of the emitted light and redirect the focused second portion in the street side direction;', 'with a region of the exterior surface, receive a third portion of the emitted light that is oriented in a house side direction and internally reflect the received third portion to a backside of the optic; and', 'send street side a portion of the internally reflected third portion that is incident on the backside of the optic., 'wherein the optic is operable to2. The illumination system of claim 1 , wherein the optic is further operative to transmit and emit at least some light that is oriented in the house side direction.3. The illumination system of claim 1 , wherein the backside of the optic recycles incident light.4. The illumination system of claim 1 , wherein the backside of the optic returns ...

OPTICAL LENS, LIGHT EMITTING DEVICE, AND LIGHTING DEVICE HAVING THE SAME

Disclosed is an optical lens. The optical lens includes a bottom surface having a recess part at center thereof; a light exit surface provided in opposite to the bottom surface and having a convex curved surface; an outer sidewall connected between the bottom surface and the light exit surface; a recess portion recessed toward the bottom surface; and a convex portion provided between the recess portion and the light exit surface. The recess part is convexly recessed in a direction of the recess portion. The recess portion includes a first to third total-reflection surface having curvatures different from each other. The convex portion is protruded inwardly from an inflection point between the convex portion and the light exit surface. 1. An optical lens comprising:a bottom surface having a recess part at center region thereof;a light exit surface provided in opposite to the bottom surface and having a convex curved surface;an outer sidewall connected between the bottom surface and the light exit surface;a recess portion provided in opposite to the bottom surface and recessed toward the bottom surface; anda convex portion provided between the recess portion and the light exit surface,wherein the recess part is convexly recessed in a direction of the recess portion,wherein the recess portion includes a first total-reflection surface having a first concave curved surface at a center region thereof, a second total-reflection surface on the first total-reflection surface, a third total-reflection surface having a second concave curved surface on the second total-reflection surface,wherein the first concave curved of the first total-reflection surface corresponds to the recess part,wherein the second total-reflection surface is disposed between the first total-reflection surface and the third total-reflection surface,wherein the convex portion is protruded inwardly from an inflection point between the convex portion and the light exit surface, andwherein the first total- ...

Illumination device

An illumination device includes: a light source unit; and an optical member having a plate-like shape and disposed in front of the light source unit, wherein the optical member includes a first refractive prism having a function of refracting light, and a reflective prism disposed on an outer side of the first refractive prism and having a function of reflecting light, wherein an optical axis of the light source unit is configured to pass through a region in which the first refractive prism is disposed, wherein the first refractive prism is configured to cause an incident light to travel to a side opposite to the optical axis, and wherein the reflective prism is configured to cause an incident light to travel to the optical axis side.

LAMP LENS

A lamp lens is adapted to transmit light, and includes spaced-apart light input and output surfaces and a reflecting surface. The light input surface has a surrounding surface portion and an end surface portion connected to a front end of the surrounding surface portion. The reflecting surface extends from the light input surface to the light output surface, and has a plurality of reflecting segments and optical structures. The reflecting segments are adapted for total reflection of a portion of the light which enters the lamp lens through the light input surface. Each adjacent two of the reflecting segments forma stepped surface structure. The optical structures are adapted to prevent total reflection of a portion of the light. 1. A lamp lens adapted to transmit light that is emitted from a lighting member , said lamp lens comprising: a surrounding surface portion that surrounds an optical axis extending in a front-rear direction, and', 'an end surface portion that is connected to a front end of said surrounding surface portion, and that is disposed on the optical axis;, 'a light input surface adapted to face the lighting member, and having'}a light output surface spaced apart from said light input surface along the optical axis; and a plurality of reflecting segments that are adapted for total reflection of a portion of the light which enters said lamp lens through said light input surface, each adjacent two of said reflecting segments forming a stepped surface structure, and', 'a plurality of optical structures adapted to prevent total reflection of a portion of the light., 'a reflecting surface extending from said light input surface to said light output surface, surrounding the optical axis, and having'}2. The lamp lens as claimed in claim 1 , wherein said reflecting surface has:two first reflecting portions spaced apart from each other in a left-right direction that is perpendicular to the front-rear direction; anda second reflecting portion connected between ...

LIGHT FIXTURE

A light fixture includes a housing, a light-emitting element, and a lens extending over the light-emitting element. The housing includes a support surface, and the light-emitting element is coupled to the support surface. The lens includes a refractor portion having an inner surface and an outer surface. The inner surface is positioned proximate the light-emitting element. The inner surface is oriented at an angle such that the light generated by the light-emitting element exhibits total internal reflection within the lens until the light reaches the outer surface.

OPTICAL BEAM SHAPING DEVICE AND SPOT LIGHT USING THE SAME

An optical device that allows the usage of an extended light source in a more compact device is provided. The optical device may be configured to collimate light of a light source () along an optical direction. The optical device () may comprise a source surface (), a forward surface (), a lens body () and a peripheral element (). The source surface is arranged to receive light and may comprise a central portion () and a Fresnel portion (). The Fresnel portion includes at least one tooth () for deflecting light. The forward surface is arranged to output, along the optical direction, at least the deflected light into a collimated light. The source surface and the forward surface delimit the lens body. The peripheral element may be arranged to reflect light internally reflected at the forward surface by total inner reflection towards the optical direction to contribute to the collimated light. 1. A lighting device comprising an extended light source and an optical device ,said extended light source being arranged for emitting light from both centered and non-centered positions,said optical device configured to collimate light of said light source along an optical direction, said optical device comprising:a source surface arranged to receive light, wherein said source surface comprises a central portion and a Fresnel portion including at least one tooth, for deflecting light;a forward surface arranged to output at least the deflected light from the Fresnel portion into a collimated light along said optical direction;a lens body delimited by said source surface and said forward surface; anda peripheral element arranged to reflect light, originating from a non-centered position, internally reflected by total inner reflection at said forward surface towards said optical direction to contribute to said collimated light.2. A lighting device according to claim 1 , wherein said peripheral element is configured to reflect light having been deflected claim 1 , without total ...

Illumination apparatus comprising passive optical nanostructures

An illumination apparatus comprises a first substrate; an optical structure; an array of light emitting elements disposed between the first substrate and the optical structure and an array of passive optical nanostructures disposed between the first substrate and the optical structure. Each of the passive optical nanostructures are disposed on a respective one of the light emitting elements and each passive optical nanostructure comprises an air gap. Each passive optical nanostructure is disposed between its respective light emitting element and the optical structure, wherein each passive optical nanostructure is configured to receive light emitted by its respective light emitting element, pass the received light, and output the pass light towards the optical structure. 1. An illumination apparatus , comprising:a first substrate;an optical structure;an array of light emitting elements disposed between the first substrate and the optical structure; andan array of passive optical nanostructures disposed between the first substrate and the optical structure, each passive optical nanostructure being disposed on a respective one of the light emitting elements, each passive optical nanostructure comprising an air gap, and each passive optical nanostructure being disposed between its respective light emitting element and the optical structure,wherein each passive optical nanostructure is configured to receive light emitted by its respective light emitting element, pass the received light therethrough, and output the passed light towards the optical structure,wherein each passive optical nanostructure comprises a plurality of spacers configured to separate its respective light emitting element from the optical structure, andwherein a height of each of the plurality of spacers of each passive optical nanostructure is greater than a wavelength of the light emitted by the respective light emitting element.2. (canceled)3. The illumination apparatus of claim 1 , wherein the air ...