УПРАВЛЯЕМАЯ ОСВЕТИТЕЛЬНАЯ СИСТЕМА

Изобретение относится к области светотехники. Осветительная система содержит множество управляемых светоизлучающих элементов 3, рассеивающий оптический элемент 5, расположенный перед множеством светоизлучающих элементов для придания формы свету, излучаемому от осветительных элементов, и контроллер 7 для изменения диапазона углов излучения света, излучаемого от рассеивающего оптического элемента 5 посредством управления каждым из множества управляемых светоизлучающих элементов. Это позволяет изменять свет, излучаемый от рассеивающего оптического элемента, без изменения каких-либо физических частей осветительной системы, поскольку контроллер в это время управляет каждым из светоизлучающих элементов посредством, например, затемнения одного или более светоизлучающих элементов или выключением одного или более из светоизлучающих элементов. Технический результат - создание компактной системы, позволяющей изменять схему освещения. 11 з.п. ф-лы, 8 ил.

ЛАМПА И ОСВЕТИТЕЛЬНЫЙ ПРИБОР С ПЕРЕСТРАИВАЕМЫМ ИНДЕКСОМ ЦВЕТОПЕРЕДАЧИ

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

СОЗДАНИЕ ЦВЕТНОГО УЗОРА ЛИСТА

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

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

LED-Lampe für eine Leuchte und Betriebsverfahren für diese Leuchte

Die Erfindung betrifft eine LED-Lampe zum Einsatz in Leuchten, die eine konstante Lichtleistung oder Strahlungsleistung abgeben sollen, mit mindestens einer Leuchtdiode (2), die aus einer Leistungselektronik (9) eine elektrische Leistung aufnimmt und die auf einem Kühlkörper (3) einer Kühlstruktur montiert ist und an deren Oberfläche eine Verlustleistung als Abwärme abgibt, wobei an der mindestens einen Leuchtdiode (2) über eine Messeinrichtung deren Temperatur (TLED) ermittelt und mit einem Thermosensor (6) an der Oberfläche der Kühlstruktur die von der LED-Lampe (1) in die Umgebung abgegebene thermische Verlustleistung (Ptherm) durch die Leistungselektronik (9) messbar ist und die elektrische Leistungsaufnahme der LED-Lampe (1) anhand der gemessenen thermischen Verlustleistung (Ptherm) mittels der Leistungselektronik (9) regelbar ist. Weiterhin ist ein Verfahren angegeben, das beim Betrieb der Leuchte Energie einspart und deren Lebensdauer verlängert.

An LED lamp unit

Sensor clip and method of using

LICHTMISCHENDES BELEUCHTUNGSELEMENT

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LIGHTING DEVICE AND ITS USE

OPTICAL ONE OF SIGNALODER INDICATOR

Modular led lighting apparatus for socket engagement

Modular lighting fixtures that allow convenient installation and removal of LED-based light-generating modules and controller modules. In one example, a modular lighting fixture includes a housing configured to be recessed into or disposed behind an architectural surface such as ceiling, wall, or soffit, in new or existing construction scenarios. The fixture housing includes a socket configured to facilitate one or more of a mechanical, electrical and thermal coupling of the light-generating module to the fixture housing. The ability to easily engage and disengage the LED-based light-generating module with the socket, without removing the fixture housing itself, allows for straightforward replacement of the light-generating module upon failure, or exchange with another module having different light-generating characteristics. Modular lighting controllers for such fixtures also may be easily installed in or removed from the fixture housing via the same access route by which the light-generating ...

HIGH FLUX LIGHT EMITTING DIODE (LED) REFLECTOR ARRAYS

A reflector device to be utilized with light emitting diodes (LEDs), and particularly with high-flux LEDs. In the reflector structure individual reflector portions surround at least one LED. Light output from each individual LED is reflected by sloping walls of each individual reflector portion and is redirected. As a result, light that may otherwise be lost is redirected to a more useful direction. Each individual reflector portion can have a cross~section of a conic shape, a complicated curve, and can also be oval in shape. A light device can be realized by utilizing such a master reflector with an LED light source.

Tunnelbeleuchtungsanlage

Anordnung mit einem Innenfühler zur Lichtstärkeerfassung eines Leuchtenbandes einer Tunnelbeleuchtungsanlage

УСОВЕРШЕНСТВОВАННЫЙ УЗЕЛ СВЕТОИЗЛУЧАЮЩЕГО ДИОДА ( СИД )

Предложен усовершенствованный узел СИД, который является термосамостабилизирующимся и который можно устанавливать в существующий карманный фонарь. В одном варианте осуществления узел СИД включает в себя светоизлучающий диод, усилительную схему и микросхему. Усилительная схема включает в себя термочувствительное устройство для измерения тепла от светоизлучающего диода. Выход усилительной схемы является входом для микросхемы, выходной сигнал которой поступает к коммутирующему устройству, которое регулирует энергию, подводимую к светоизлучающему диоду. Коммутирующее устройство может быть частью повышающей схемы, компенсирующей схемы или инвертирующей схемы.

LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING A LIGHT EMITTING DEVICE

A light emitting device comprising a substrate (6) having an electrically conducting circuit layer (8), a LED package (7) surface mounted on the substrate (6) and electrically connected to the circuit layer (8), and a heat sink element, surface mounted on the substrate (6) separately from the LED package (7), the heat sink element having a body (2) of a heat conductive material surrounding the LED package (7), the body being thermally connected to the circuit layer (8), and being adapted to provide heat dissipation from the circuit layer (8) to a surrounding environment, wherein a surface (3) of the heat sink element facing the LED package is adapted to form part of a beam shaping optics for shaping light emitted from the LED package. Since the heat sink body is in thermal contact with the circuit layer, the heat resistance from the LED package to the heat sink body via the circuit layer is minimized.

Endoscope system

Light emitting diode module

The present invention relates to a light emitting diode (LED) module (10) comprising a substrate (12) having plural indents (14) and flattish portions (20) in between the indents, and LEDs (16) mounted in the indents. The LED module is characterized by at least one of sensors (22) and additional LEDs (32) provided at the flattish portions. This allows increased sensor detection accuracy and/or color compensation. The present invention also relates to a method for the manufacturing of such an LED module.

LUMINOUS SIGNAL DEVICE

SYSTEM Of ILLUMINATION HAS DETECTION OF FAILURE

La présente invention concerne un système d'éclairement, du type comportant une source de lumière (S) et une lentille (18). Conformément à l'invention, le système d'éclairement est équipé d'un dispositif (50) de détection d'une défaillance de la source de lumière (S), ledit dispositif comportant un guide de lumière (20) incorporé à la lentille (18) en étant agencé pour amener un flux lumineux vers la périphérie de ladite lentille, et un capteur photosensible (30) disposé au niveau de la périphérie de la lentille (18), en regard de la sortie du guide de lumière (20), ledit capteur étant agencé pour émettre un signal de défaillance si l'intensité du flux lumineux sortant dudit guide tombe en dessous d'un seuil prédéterminé.

LIGHT DEVICE, SIGNALING APPARATUS AND METHOD FOR DIAGNOSIS AND/OR SERVO

L'invention concerne un dispositif lumineux (12) de signalisation et un appareil de signalisation comportant au moins un assemblage (22) d'une ou plusieurs fibre(s) optique(s) (24) de signalisation à diffusion latérale, et dans lequel le dispositif lumineux comporte au moins une première source de lumière (32) qui émet une première lumière parcourant l'assemblage de telle sorte qu'une fraction résiduelle de la première lumière ressort au travers d'une seconde terminaison (28) de l'assemblage, caractérisé en ce que le dispositif lumineux comporte au moins un capteur photoélectrique (40) qui reçoit au moins une portion de la fraction résiduelle de la première lumière pour délivrer un signal électrique (S) représentatif d'au moins une caractéristique de la fraction résiduelle de la première lumière, et des moyens d'analyse de la fraction résiduelle sur la base du signal électrique représentatif délivré par le capteur photoélectrique. L'invention concerne aussi un procédé de diagnostic et/ou ...

온-보드 진단을 수행하는 LED 기반 조명 모듈

... 발광다이오드(LED) 기반 조명 모듈은 온-보드 진단을 수행한다. 예를 들면, 진단은 경과된 수명의 추정, 형광체의 열화, 열적 결함, LED의 결함, 또는 측정된 플럭스 또는 온도에 기초한 LED 전류의 조정을 포함한다. 경과된 수명은 온도, 전류, 및 상대습도와 같은 실제 동작 조건으로부터 도출된 가속 인자에 의해 누적된 동작 시간의 경과를 크기조정(scaling) 함으로써 추정될 수 있다. 형광체의 열화는 LED로부터의 펄스 광에 대한 형광체의 측정된 응답을 기초로 추정될 수 있다. 열적 결함은 기동 조건으로부터 모듈의 과도 응답을 사용하여 진단될 수 있다. LED의 결함은 측정된 순방향 전압에 기초하여 진단될 수 있다. LED를 위한 전류는 측정된 플럭스 값 및 전류 값과 플럭스 값들의 원하는 비율을 사용하여 조정될 수 있다. 또한, LED 전류는 측정된 온도에 기초하여 크기조정될 수 있다.

Signaling lamp monitor

This signaling lamp monitor is configured to readily allow the addition of a communication function to signaling lamps such as stack lights at low costs. This signaling lamp monitor comprises a detection unit for detecting light emitted from a signaling lamp, a control unit that generates a detection signal on the basis of at least said detection, and a transmission unit for transmitting the detection signal via wireless communication. The transmission unit is equipped with an antenna disposed vertically upward from the detection unit.

APPARATUS AND METHOD FOR COLLECTING AND DETECTING LIGHT EMITTED BY A LIGHTING APPARATUS

The present invention provides a method and apparatus for collecting and detecting light emitted from a plurality of light-emitting elements. The light-emitting elements are grouped into two or more clusters of one or more light-emitting elements with the clusters arranged such that a portion of the light emitted from each cluster is directly incident upon a central axis, wherein every point along the central axis is equidistant from each cluster. A light collection means also having a central axis associated therewith is placed such that the central axis of the clusters and the central axis of the collection means coincide. The light collection means collects a substantially equal portion of light from each cluster and propagates the collected light to a detection means comprising an optical sensor for conversion to an electrical signal representative of the light emitted by the clusters. The electrical signal provided by the light detection means may be fed back to a controller for use ...

LED-BASED ILLUMINATION BODY

The invention relates to an LED-based illumination body (1) comprising several modules (2), wherein each module (2) comprises an optical system (3) for receiving an LED carrier board (8) with at least one LED (5) arranged thereon, a reflector (6) and a light-transparent cover (4). The reflector (6) stretching over the light emitting cone of the LED (5) is provided with facets (6.1), wherein the individual facets (6.1) complement each other and form a closed, continuously extending optical functional surface and extend in such an angle to one another that the light emitted by the LED (5) is guided essentially via the facets (6.1) of the reflector (6) to the working plane of the light.

LED LAMP FAILURE ALERTING SYSTEM

Embodiments of failure alerting systems for LED lamps and LED lamps having the same are disclosed. An illustrative failure alerting system comprises a photodetector configured to detect an actual light output from the at least one LED, a regulator configured to receive a signal from the photodetector when the actual light output is below a target light output and to increase a current to the at least one LED to maintain the target light output, and a low light output indicator configured to receive a signal from the photodetector when the actual light output remains below the target light output and to produce a low light output signal. A thermal sensor can also be included and configured to sense an operating temperature of the LED and to control the regulator to increase the current and the target light output to ensure the operating temperature does not exceed the target temperature.

TECHNIQUES FOR ENHANCED DIFFUSION LIGHTING

Techniques for creating, configuring, and employing diffusion light devices are presented. Such light device(s) can comprise or be associated with a light management component (LMC) that can employ sensors to monitor environmental conditions in a defined area of people or vehicles, and a diffusion component that can diffuse or otherwise process light. At a least a portion of the diffusion component and/or a light component can be formed of a fabric that can emit light and/or diffuse light. LMC can enhance function of the light device to manage diffusion of light or perform other tasks to enhance user experience and safety and security of people or vehicles. Based on results of analyzing sensor data relating to the conditions, LMC can determine and facilitate implementing an adjustment(s) to a parameter(s) of the diffusion component or light component to achieve desired emission or diffusion of light. 1. A system , comprising:a processor that executed computer executable components stored in memory;a sensor component that senses ambient conditions;a light component that emits light;a diffusion component that diffuses light emitted by the light component; anda light management component that analyzes the sensed ambient conditions and controls the diffusion component to diffuse the emitted light.2. The system of claim 1 , wherein the light management component determines an environment profile relating to environmental conditions associated with an area.3. The system of claim 1 , wherein the light management component is further configured to analyze light characteristics data relating to characteristics of the light component and the environment profile claim 1 , and determine a light profile associated with the light device based at least in part on a second analysis result of the analysis of the characteristics and the environment profile.4. A method claim 1 , comprising:sensing, by a system, ambient conditions;emitting light, by the system;diffusing, by the system, ...

INTELLIGENT SOLID STATE LIGHTING

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

FEEDBACK CONTROLLED ILLUMINATION SYSTEM HAVING AN ARRAY OF LEDS, AND A DETECTOR AMONG THE LEDS

The present invention relates to an illumination system having an array of differently coloured LEDs, a plurality of collimators, wherein each collimator holds at least one LED, a light mixing element, arranged to mix light generated by the LEDs into a mixed light that is emitted from the illumination system, and a control system for controlling the colour balance of the mixed light. The control system comprises a detector, which is placed among said collimators and encircled by a light shield. The detector detects a fraction of the mixed light that is reflected at an exit window of the mixing element. In this structure the detected light twice passes the mixing element, which provides for a proper mixing of the different colours as well as a proper homogenisation of the light.

LED Module

A lighting apparatus with a LED lamp and a power source mounted within an outer housing, a temperature sensing device, and electronics for controlling current delivered to the LED lamp based upon temperature sensed by the temperature sensing device. 1. A lighting apparatus , comprising:a light-emitting diode (LED) lamp mounted within an outer housing;a power source located within the outer housing;a temperature sensing device; andelectronics for controlling current delivered to the LED lamp based upon temperature sensed by the temperature sensing device.2. The lighting apparatus of claim 1 , wherein the LED lamp and the temperature sensing device are disposed within an LED module.3. The lighting apparatus of claim 2 , wherein the temperature sensing device monitors conditions surrounding the LED lamp.4. The lighting apparatus of claim 1 , wherein the electronics decrease the current delivered to the LED lamp when an undesirable increase in temperature is sensed.5. The lighting apparatus of claim 4 , wherein the electronics increase the current delivered to the LED lamp when an undesirable decrease in temperature is sensed.6. The lighting apparatus of claim 1 , wherein the electronics increase the current delivered to the LED lamp when an undesirable decrease in temperature is sensed.7. The lighting apparatus of claim 1 , wherein the electronics comprise a controlled voltage boosting circuit claim 1 , a thermal sensitive amplifying circuit and a sense resistor.8. The lighting apparatus of claim 7 , wherein the controlled voltage boosting circuit is comprised of a switching regulator.9. The lighting apparatus of claim 1 , wherein the electronics comprise a controlled voltage bucking circuit.10. The lighting apparatus of claim 1 , wherein the electronics comprise a controlled voltage inverting circuit. This application is a continuation of U.S. patent application Ser. No. 14/465,723, filed Aug. 21, 2014, which is a continuation of Ser. No. 13/135,628, filed on Jul. 9, ...

GAS-DISCHARGE LAMP REPLACEMENT

An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture receptacle configured to receive a gas-discharge lamp. The light source emits light with a color rendering index higher than a respective color rendering index of at least a type of gas-discharge lamp. The active heat transfer device is physically coupled to the light source and mounted to the housing fixture. The active heat transfer device receives power from a power supply to remove thermal energy from the light source.

EYE-SAFE LASER-BASED LIGHTING

A laser-based light source includes a laser device configured to generate laser light of a predetermined laser wavelength and emit this laser light as a laser beam. A light-conversion device is configured to convert at least part of the laser light into converted light and a laser-output sensor is configured to determine a laser-output signal proportional to the output of laser light emitted by the laser device. Further, a converted-light sensor is configured to determine a converted-light signal proportional to the output of converted light emitted by the light-conversion device. A controller is configured to receive the laser-output signal and the converted-light signal, to determine a safe-to-operate parameter, based on the laser-output signal and the converted-light signal, and to control the operation of the laser-based light source based on a comparison of the safe-to-operate parameter with a at least one predefined threshold.

Outdoor lighting system with controlled luminance

An outdoor lighting system comprises an outdoor light source, a luminance control device, a detection apparatus, a communication network and a main controlling system. The detection apparatus is configured for detecting a luminance of the light source and generating a corresponding detecting signal associated with the luminance of the light source. The main controlling system receives the detecting signal from the detection apparatus via the communication network, and generates a luminance control signal in responsive to the detecting signal; the luminance control device is configured for receiving the luminance control signal via the communication network and regulating the luminance of the light source according to the luminance control signal.

LIGHTING DEVICE HAVING AT LEAST ONE LIGHT SENSOR

Various embodiments relate to a lighting device including at least one light source for emitting a polarized primary light beam (P), at least one luminescent material volume for at least partially converting primary light of the primary light beam (P) into secondary light (S) having a different wavelength, which luminescent material volume is arranged in a path of at least a primary light beam (P), and at least one light sensor, which is arranged at least in a part of an original path of the primary light beam (P) after the location of the luminescent material volume, wherein the light sensor is sensitive at least to the primary light and is polarization-sensitive. Various embodiments can, in particular, be applied to vehicle lighting devices, in particular vehicle lamps, e.g., headlamps, or modules thereof. 1. A lighting device , comprisingat least one light source for emitting a polarized primary light beam (P),at least one phosphor volume for at least partly converting primary light of the primary light beam (P) into secondary light (S) having a different wavelength, which is arranged in a path of at least one primary light beam (P), andat least one light sensor arranged at least in a part of an original path of the primary light beam (P) downstream of the location of the phosphor volume,whereinthe light sensor is sensitive at least to the primary light and is polarization-sensitive.2. The lighting deviceas claimed in claim 1 , wherein the light sensor is insensitive to the secondary light (S).3. The lighting deviceas claimed in claim 1 , wherein the part of the original path (OP) of the primary light beam (P) in which the light sensor is arranged is an auxiliary light path (NP).4. The lighting device as claimed in claim 1 , wherein the part of the original path (OP) of the primary light beam (P) in which the light sensor is arranged is a light path (NP) which arises as a result of a reflection at an optical transmitted-light element disposed downstream of the ...

CIRCUIT BOARD WITH SENSOR CONTROLLED LIGHTS AND END-TO-END CONNECTION

Printed circuit boards with sensor controlled illumination units and end-to-end connection capabilities. For example, a lighting element, sensor/detector, and computational control element are implemented on a printed circuit board. The printed circuit board also includes end-to-end connection terminals that allow multiple printed circuit boards to be operably coupled together in an end-to-end manner. This provides a scalable system that can be modularized to a base unit for installation in various packages, orientations, or environments.

SYSTEM AND METHOD FOR CONTROLLING THE HUMIDITY AND PRESSURE IN A LUMINAIRE

A luminaire includes an enclosure, an air valve, and a chamber. The enclosure includes a sealed cover and light beam emitting components. The air valve is air coupled between the enclosure and the chamber. The chamber includes a drying agent and has an opening with a membrane completely covering the opening. The membrane passes air while reducing the passage of water droplets in the air. The air valve blocks air passage between the enclosure and the chamber when closed. A method for testing to determine adequate sealing of an enclosure of a luminaire includes closing an air valve to seal the enclosure from outside air, activating a heat-generating component, determining whether an air pressure in the enclosure increases by more than a threshold value, and sending a signal indicating a result of the determination. The method includes deactivating the heat-generating component and opening the air valve.

ILLUMINATING DEVICE

PROBLEM TO BE SOLVED: To provide an illuminating device which regulates the amount of light of a wavelength suppressing melatonin secretion emitted to the direction of entering human eyes from light-emitting sections to change the influence degree on suppression of melatonin secretion, and can illuminate suitably corresponding to time and life modes of users. SOLUTION: The illuminating device is configured to use first light-emitting sections 3 and second light-emitting sections 4, which have different light distribution characteristics, to control light emission intensities of the first light-emitting sections 3 and the second light-emitting sections 4 by a control section, and to change the amount of light of a wavelength suppressing melatonin secretion emitted from the first light-emitting sections 3 and the second light-emitting sections 4 to a predetermined direction. Accordingly, the amount of light is changed which is emitted to the direction of entering human eyes (predetermined ...

発光モジュール

УЛИЧНЫЙ ФОНАРЬ С КСЕНОНОВОЙ ЛАМПОЙ

Изобретение относится к области светотехники, в частности к уличным фонарям. Техническим результатом является увеличение яркости освещения при малом потреблении энергии и упрощение замены ламп. Технический результат достигается за счет того, что уличный фонарь, содержащий узел лампы, верхнюю часть, имеющую основной патрон для подачи питания к узлу лампы и опору для поддержки верхней части, снабжен кожухом, используемым в качестве корпуса, имеющего основной цоколь для установки в основной патрон, выполненный на одной стороне кожуха, и полость, сформированную в его внутренней части. На другой стороне кожуха расположено множество распределительных патронов для электрического подключения к основному цоколю, в которых установлены ксеноновые лампы. В полости кожуха расположены балласты для приема напряжения от основного цоколя и приложения пускового напряжения к основному патрону и участок переключения для подачи питания к балласту через основной цоколь или прекращения подачи питания, участок ...

ОСВЕТИТЕЛЬНОЕ УСТРОЙСТВО С LED И ОДНИМ ИЛИ БОЛЕЕ ПРОПУСКАЮЩИМИ ОКНАМИ

... 1. Осветительное устройство (100), содержащее: ! a. множество светоизлучающих диодов (10) (LED), выполненных с возможностью испускания LED-излучения (11); ! b. полупрозрачное выходное окно (200), имеющее расположенную ближе относительно направления потока поверхность (202) выходного окна и расположенную дальше относительно направления потока поверхность (201) выходного окна; ! c. n пропускающих свет окон (300(1), 300(2), …, 300(n), размещенных после множества LED (10) и до полупрозрачного выходного окна (200), при этом n равно или больше 1, каждое пропускающее окно (300) имеет расположенную ближе относительно направления потока поверхность (302) пропускающего окна и расположенную дальше относительно направления потока поверхность (301) пропускающего окна; ! d. k слоев (400(1), 400(2),…, 400(k)) люминесцентного материала, где k равно или больше 2, при этом k слоев (400(1), 400(2), …, 400(k)) люминесцентного материала размещены после множества LED (10) и до полупрозрачного выходного окна ...

СВЕТОИЗЛУЧАЮЩАЯ ПАНЕЛЬ

ОСВЕТИТЕЛЬНАЯ СИСТЕМА, НАПРАВЛЯЮЩАЯ И ОСВЕТИТЕЛЬНЫЙ МОДУЛЬ ДЛЯ НЕЕ

ДИАГНОСТИКА И КОНТРОЛЬ ИСТОЧНИКОВ СВЕТА С ИСПОЛЬЗОВАНИЕМ НОСИМЫХ УСТРОЙСТВ

ОПТИЧЕСКАЯ СТРУКТУРА, БЛОК ОСВЕЩЕНИЯ И СПОСОБ ИЗГОТОВЛЕНИЯ

ЦВЕТО-НАСТРАИВАЕМЫЙ ОСВЕТИТЕЛЬНЫЙ УЗЕЛ, ИСТОЧНИК СВЕТА И ОСВЕТИТЕЛЬНЫЙ ПРИБОР

... 1. Цвето-настраиваемый осветительный узел (100, 300, 350, 400, 450, 500, 550, 600, 700, 750, 800), причем цвето-настраиваемый осветительный узел (100, 300, 350, 400, 450, 500, 550, 600, 700, 750, 800) содержитизлучатель (110, 954) света, конфигурируемый для излучения света (112, 454) первого цветового распределения (158),люминесцентный слой (108, 952) для приема света (112, 454), излучаемого излучателем (110, 954) света, причем люминесцентный слой (108, 952) содержит люминесцентный материал для поглощения порции света (112, 454) первого цветового распределения (158) и преобразования порции поглощенного света в свет (102) второго цветового распределения (160, 162), причем второе цветовое распределение (160, 162) является зависимым от температуры люминесцентного слоя (108, 952), при этом люминесцентный материал содержит квантовые точки,средство (106, 308, 356, 402, 462, 702, 752, 802) управления температурой для активного управления температурой люминесцентного слоя (108, 952), чтобы получать ...

Beleuchtungseinrichtung

Es wird eine Beleuchtungseinrichtung angegeben, umfassend einen Träger (1) und eine Mehrzahl von Lichtmodulen (21, 22) mit jeweils einer Mehrzahl von strahlungsemittierenden Halbleiterbauelementen (311, 312, 313, 314, 321, 322, 323, 324) in mehreren Zeilen (411, 412, 421, 422). Jede der mehreren Zeilen (411, 412, 421, 422) umfasst zumindest zwei der strahlungsemittierenden Halbleiterbauelemente (311, 312, 313, 314, 321, 322, 323, 324). Jedem der Mehrzahl der Lichtmodule (21, 22) ist eine Regelungsvorrichtung (51, 52) zugeordnet zur Regelung der Helligkeit des Lichtmoduls (21, 22). Jedem der Mehrzahl der Lichtmodule (21, 22) ist eine Sensoreinheit (61, 62) zugeordnet zur Ermittlung von zumindest einem Messwert, umfassend die Helligkeit der Mehrzahl der strahlungsemittierenden Halbleiterbauelemente (311, 312, 313, 314, 321, 322, 323, 324). Weiterhin wird eine Beleuchtungseinrichtung angegeben, umfassend einen Träger (1), eine Mehrzahl von Lichtmodulen (21, 22, 23), eine Mehrzahl von strahlungsemittierenden ...

Beleuchtungssystem mit Fehlererkennung

BELEUCHTUNGSVORRICHTUNG MIT LEUCHTDIODEN UND LICHTSENSORANORDNUNGEN FÜR OPTISCHE RÜCKKOPPLUNG

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

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

Leuchtmodul

Leuchtvorrichtung

Erfindungsgemäß ist ein optisches Bauelement mit einem Sensor zur Detektion eines Teils einer in das optische Bauelement eintretenden Strahlung offenbart. Vorzugsweise ist dem optischen Bauelement ein Konversionselement und eine elektromagnetische Strahlungsquelle, insbesondere eine Laserlichtquelle, zugeordnet.

Framing-light Projection

In methods and apparatus for framing-light projection onto a painting or other target, light from an array (1) of light- emitting diodes (LEDs) is reflected differentially by a micro- mirror array within a projection unit (4) to shape the cross- section of the projected light-beam. The shaping is under the control of an image-processing control unit (3) in accordance with a digitally-defined boundary in the form of a computer graphic of closed two-dimensional outline stored in a data storage unit (7). An image of the target from a digital camera (21) can be analysed in conjunction with a stored library of shapes to derive a digitally-defined framing- boundary for indication or motorised adjustment of the orientation/ setting of the projection unit (4) required for this framing. A light sensor 24 may be used with the projection unit (4) to maintain the lighting level of the target within a predetermined limit.

Improvements in or relating to lighting

LIGHTING INSTALLATION

Hochbündelnde, farbmischende Signal- oder Scheinwerferoptik

Die Erfindung betrifft eine Modifikation der farbmischenden Sammeloptik der W02012/068603Al, vor allem für Bahnsignale oder andere Sicherheitsleuchten. Die farbmischende Eigenschaft kaschiert einerseits den Ausfall einer Power-LED völlig, und bei Bedarf werden die verbleibenden Power-LEDs mit entsprechend mehr Strom beaufschlagt, andererseits werden mehrere Signalleuchten mit unterschiedlichen Normfarben in einer gemeinsamen Bauform umgesetzt, woraus eine erhebliche Kostensenkung resultiert. Eine weitere Anwendung ist ein RGB-Vollfarbscheinwerfer mit engster Lichtbündelung. Als Lichtquelle (1) werden Power-LEDs (R, G, B) mit ebenem Lichtaustritt und separater Verschaltung, sowie elektrischer und/oder optischer Überwachung in kompakter Anordnung eingesetzt, deren Licht im Lichtleiterstab (2) ausgemischt und nach Passieren der Austrittsfläche ( 4) auf die Sammellinse ( 5) gelenkt wird. Zur Vermeidung einer störenden Fleckigkeit ist die Austrittsfläche ( 4) des Lichtleiterstabes (2) mit einer ...

Lighting device with a laser light module

Die Erfindung betrifft eine Beleuchtungsvorrichtung (1) mit zumindest einem Laser- Lichtmodul (2), wobei das Laserlichtmodul (2) zumindest eine Laser-Lichtquelle (3) und zumindest einen lichtemittierenden Bereich in Form von zumindest einem Konversionselement (4) aufweist, und wobei bei eingeschalteter zumindest einer Laser- Lichtquelle (3) diese zumindest eine Laserlichtquelle (3) einen Laserlichtstrahl (L1, L2) emittiert, sodass das zumindest eine Konversionselement (4) mit zumindest einem Laserlichtstrahl (S1, S2) bestrahlt wird, und wobei eine Diagnosevorrichtung (5) vorgesehen ist, welche dazu eingerichtet ist, das Laserlichtmodul (2) auf seine Funktionstüchtigkeit hin zu überprüfen, und wobei das zumindest eine Konversionselement (4) Licht (W1, W2), insbesondere weißes Licht, z.B. Mischlicht, insbesondere weißes Mischlicht, emittiert. Es ist zumindest ein optisch aktives Optikelement (6) vorgesehen ist, welches Optikelement (6) einen Sperrzustand einnehmen kann, in welchem Sperrzustand ...

LED MODULE

LED LIGHT

INTEGRATED MODULAR LIGHTING UNIT

THERMAL MANAGEMENT METHODS AND APPARATUS FOR LIGHTING DEVICES

Methods and systems are provided for providing active and passive thermal or cooling facilities for LED lighting systems, including radiating and convective thermal facilities, including fans, phase change materials, conductive polymers, potting compounds, vents, ducts, and other thermal facilities.

CONNECTOR FOR AN ELECTRONIC FAUCET

... ²The present disclosure relates to a connector for an electronic faucet ²including a light ²source. The connector includes a socket and is configured to distinguish ²between an electrically ²conductive plug and an electrically non-conductive plug for controlling ²activation of the light ²source.² ...

DUAL-DISTRIBUTION LIGHTING DEVICE FOR LIGHTING SYSTEMS

Aspects are described for dual-distribution lighting devices. For example, a dual-distribution lighting device includes a forward-throw module with a first lighting element that can provide directional light, a wide-throw module with a second lighting element that can provide light with a wide distribution, an interface element that can to receive input, and a processing device. In response to the input being received via the interface element, the processing device deactivates one of the forward-throw and wide-throw modules and activates the other of the forward- throw and wide-throw modules, thereby causing the dual-distribution lighting device to switch between providing directional light and a wide distribution of light.

УСОВЕРШЕНСТВОВАННЫЙ УЗЕЛ СВЕТОИЗЛУЧАЮЩЕГО ДИОДА (СИД)

Предложен усовершенствованный узел СИД, который является термосамостабилизирующимся и который можно устанавливать в существующий карманный фонарь. В одном варианте осуществления узел СИД включает в себя светоизлучающий диод, усилительную схему и микросхему. Усилительная схема включает в себя термочувствительное устройство для измерения тепла от светоизлучающего диода. Выход усилительной схемы является входом для микросхемы, выходной сигнал которой поступает к коммутирующему устройству, которое регулирует энергию, подводимую к светоизлучающему диоду. Коммутирующее устройство может быть частью повышающей схемы, компенсирующей схемы или инвертирующей схемы.

Automation and control engineering lamp maintenance device

Luminous diode lighting device

Light emitting diode lamp

Lighting unit with photosensor

LIGHTING DEVICE

LIGHTING MODULE

Colour control for led-based luminaire

Modular LED light bulb

An LED-based lighting device and method for making the same are disclosed. The lighting device includes an LED light source mounted on a heat sink, a power adaptor, and a controller. The power adaptor is configured to be interchangeable with a conventional incandescent bulb power adapter. The controller provides an average current to the LED light source when power is coupled to the device via the power adaptor. The average current causes the LED light source to generate light of a predetermined standard intensity that is substantially independent of variations in the LED light source from device to device. In one aspect of the invention, the LED light source includes a plurality of LEDs connected in series, the LEDs are bonded to the heat sink and connected to one another in series by wire bonds and to conducting traces on the heat sink.

ILLUMINATION FOR ACTIVATING PHOTOSENSITIVE BIOLOGICAL PROCESSES

An illumination device (1) for producing an illuminating light beam (7) to activate a photosensitive biological process comprises a light source element (2) configured to emit light at a wavelength range overlapping with the absorption wavelength band of the photosensitive biological process. According to the present invention, the light source element comprises a plurality of laser diodes(2) configured to emit primary light beams(3)at different wavelengths; and the illumination device (1) further comprises at least one diffusor surface (6a, 6b) configured and placed to diffusively redistribute the energy of the primary light beams(3) into the illuminating light beam (7) so that the energy density of the illuminating light beam leaving the illuminating device does not exceed the maximum permissible exposure of a human eye.

LIGHTING SYSTEM, TRACK AND LIGHTING MODULE THEREFORE

A lighting system comprising a track having a first and a second rail (5, 7), mutually extending equidistantly. Said first and second rail comprise a first respectively a second electrically conductive strip, mutually electrically isolated. A lighting module (17) comprising a first and second electrical contact, which lighting module in mounted position rests by gravitational force on the first and second rail. When mounted the first and second electrical contact are in electrical contact with a respective one of the first and second electrically conductive strip. The lighting module is dismountable from the track by a single displacement of the lighting module in a direction against the direction of the gravitational force.

LIGHT FIXTURE FOR LIVESTOCK HOUSING SYSTEMS

The invention relates to a light fixture for livestock housing systems, such as for example, hen houses, having a housing comprising a heat sink (6) in which a plurality of light-emitting diodes (1)(LEDs) that can be operated via a common power supply source are arranged. The light-emitting diodes arranged next to each other in one plane are wired to a resistor (R1) and can be operated dimmed via the power supply source in particular by means of voltage variation or pulse width modulation. The invention further relates to a lighting system comprising a light fixture and a power supply source.

LIGHT-EMITTING PANEL

The present invention relates to a light-emitting panel (1) comprising a first plurality of light-sources (11a-d) arranged in a first light-source layer (12) and a second plurality of light-sources (14a-d) arranged in a second light-source layer (15), with a light-diffusing layer (13) being arranged and configured to substantially only diffuse light emitted by light-sources in the first plurality of light-sources (11a-d) so that the light-emitting panel (1) is arranged to provide diffused illumination from the first light-source layer (12) and substantially un-diffused illumination from the second light-source layer (15). The light-emitting panel (1) also comprises a light sensor for sensing light that is emitted by light-sources in the first plurality of light-sources (11a-d) following reflection at an object arranged in front of the light-emitting panel (1), so that the operation of the light-emitting panel (1) can be controlled based on the signal provided by the light-sensor.

INTEGRATED LIGHT-EMITTING DIDODE SYSTEM

An integrated LED light system (100) including a printed circuit board (110, 410) and a submount (120, 420) mounted on the printed circuit board (110, 410). System (100) further includes an array of LEDs (125, 425) in electrical communication with the submount (120, 420) to receive forward currents. The array of LEDs (125, 425) includes one or more LEDs for emitting one or more color of lights in response to a reception of the forward currents from the submount (120, 420). System (100) additionally includes a heatsink (130, 430) supporting the printed circuit board (110, 410) to conduct and dissipate heat away from the printed circuit board (110, 410), the submount (120, 420), and the LED(s) (125, 425). System (100) further includes a reflector cup (140, 440) mounted on the printed circuit board (110, 410) and in optical communication with the LED(s) (125, 425) to focus the at least one color of light.

Systems and methods for obstruction detection on a luminaire optics

A lighting module includes a substrate, an obstruction sensor and a light source mounted on the substrate, and an optical assembly located over the light source. The obstruction sensor includes a transceiver to transmit radiation towards the optical assembly and receive radiation reflected by the optical assembly. The reflected radiation is indicative of one or more conditions of the optical assembly. The obstruction sensor may be an infrared (IR) sensor. The lighting module may also include a processor having programming instructions to receive information corresponding to the radiation reflected by the optical assembly from the obstruction detection sensor, analyze the received information to determine the presence of at least a threshold level of an obstruction or a deformity on the optical assembly, and in response to determining the presence of at least the threshold level of the obstruction or the deformity on the optical assembly, perform a restorative action.

Illuminating fans for loading docks

Illuminating fans for loading docks are disclosed. An example illuminating fan includes a housing defining an airflow chamber and an electrical chamber divided by an internal wall of the housing. The illuminating fan also includes a fan wheel mounted for rotation within the airflow chamber. The fan wheel is driven by a fan motor to generate a current of air passing through the airflow chamber. The illuminating fan further includes a lamp supported by the housing. The lamp is wired to an electrical circuit at least partially contained within the electrical chamber.

Modular LED Light Bulb

An LED-based lighting device and method for making the same are disclosed. The lighting device includes an LED light source mounted on a heat sink, a power adaptor, and a controller. The power adaptor is configured to be interchangeable with a conventional incandescent bulb power adapter. The controller provides an average current to the LED light source when power is coupled to the device via the power adaptor. The average current causes the LED light source to generate light of a predetermined standard intensity that is substantially independent of variations in the LED light source from device to device. In one aspect of the invention, the LED light source includes a plurality of LEDs connected in series, the LEDs are bonded to the heat sink and connected to one another in series by wire bonds and to conducting traces on the heat sink.

LIGHT DIFFUSER

Apparatus, methods and systems are provided for improving the quality of illumination from a luminaire. The apparatus, methods and systems provide quantum dots, methods and apparatus for stimulating device light emission from quantum dots, sensors, and controllers to adjust quality of illumination from a luminaire.

LIGHT SOURCE SYSTEM AND DISPLAY DEVICE

A light source system includes an exciting light source, a collection system, a wavelength conversion device, a relay system, an optical-mechanical system, a detection device, and a distance adjustment device. The exciting light source emits exciting light. The conversion region converts the exciting light into excited light. Optical axes of the excited light and the exciting light that are emitted from the wavelength conversion device do not coincide with each other. The excited light and exciting light collected by the collection system are guided to the optical-mechanical system via the relay system. The detection device detects information on brightness and/or color coordinates of the light emitted from the optical-mechanical system. The distance adjustment device adjusts a distance between the collection system and the wavelength conversion device in such a manner that the brightness and/or color coordinates of the light emitted from the optical-mechanical system meet a preset condition. 1. A light source system , comprising an exciting light source , a collection system , a wavelength conversion device , a relay system , an optical-mechanical system , a detection device , and a distance adjustment device , wherein:the exciting light source is configured to emit exciting light;the collection system is disposed between the exciting light source and the wavelength conversion device; and the exciting light irradiates the wavelength conversion device after being collected by the collection system;the wavelength conversion device comprises a conversion region and a reflective region, wherein the wavelength conversion device periodically moves in such a manner that the conversion region and the reflective region are periodically located on an optical path of the exciting light in different time divisions, wherein the conversion region is configured to convert the exciting light into excited light and emit the exited light, and the reflective region is configured to ...

LIGHT COLOR AND INTENSITY ADJUSTABLE LED

An integrated photonic device includes a number of LEDs and a feedback mechanism that measures individual LED light outputs using a photo sensor via a light transmitter disposed in the vicinity of individual LEDs. A controller or driver adjusts a current driven to each LED using the detected values according to various logic based on the device application.

EYE-SAFE LASER-BASED LIGHTING

LED LIGHTING DEVICE INCLUDING IMPROVED MEANS FOR PROMOTING HEAT DISSIPATION

ЦВЕТОНАСТРАИВАЕМЫЙ ОСВЕТИТЕЛЬНЫЙ УЗЕЛ, ИСТОЧНИК СВЕТА И ОСВЕТИТЕЛЬНЫЙ ПРИБОР

Изобретение относится к узлам цветонастраиваемых осветительных устройств. Объект изобретения состоит в обеспечении улучшенного цветонастраиваемого осветительного узла в сборе. Представлены цветонастраиваемый осветительный узел (100), источник света и осветительный прибор. Цветонастраиваемый осветительный узел (100) содержит излучатель (110) света, люминесцентный слой (108) и средство (106) управления температурой. Излучатель (110) света излучает свет (112) первого цветового распределения. Люминесцентный слой (108) воспринимает свет (112), излучаемый излучателем (110) света. Люминесцентный слой (108) содержит люминесцентный материал для поглощения порции света (112) первого цветового распределения и преобразования порции поглощенного света в свет (102) второго цветового распределения. Второе цветовое распределение зависит от температуры люминесцентного слоя (108). Средство (106) управления температурой активно регулирует температуру люминесцентного слоя (108), чтобы получать световое излучение ...

ОСВЕТИТЕЛЬНАЯ СИСТЕМА, НАПРАВЛЯЮЩАЯ И ОСВЕТИТЕЛЬНЫЙ МОДУЛЬ ДЛЯ НИХ

Изобретение относится к области светотехники. Техническим результатом является упрощение сборки и демонтировки светильника с направляющей посредством одного смещения осветительного модуля в направлении против направления гравитационной силы. Осветительная система содержит направляющую, имеющую первый (5) и второй рельс (7), продолжающиеся взаимно равноудаленно. Упомянутые первый и второй рельс содержат, первую, соответственно, вторую электропроводящую полосу, электрически взаимно изолированные. Осветительный модуль (17) содержит первый и второй электрический контакт, причем осветительный модуль в смонтированном положении опирается под действием гравитационной силы на первый и второй рельс. Когда смонтирован, первый и второй электрический контакт находятся в электрическом контакте с соответствующей одной из первой и второй электропроводящей полосой. 3 н. и 14 з.п. ф-лы, 27 ил.

ТВЕРДОТЕЛЬНОЕ УСТРОЙСТВО ОСВЕЩЕНИЯ

Твердотельное устройство (500) освещения включает в себя множество светоизлучающих элементов (510, 525, 530), выполненных с возможностью формирования света, которые термически соединены с теплорассеивающим корпусом, выполненным с возможностью соединения с одним или более теплоотводов (520). Устройство освещения дополнительно включает в себя смесительную камеру, которая оптически соединена с множеством светоизлучающих элементов и выполнена с возможностью смешивать свет, испускаемый посредством множества светоизлучающих элементов. Один или более из множества светоизлучающих элементов испускают свет, практически перпендикулярный выходному отверстию твердотельного устройства освещения. Система управления функционально соединена с множеством светоизлучающих элементов и выполнена с возможностью управлять работой множества светоизлучающих элементов. Один или более из множества светоизлучающих элементов функционально соединены с гибкой схемной платой, термически соединенной с теплорассетвающим ...

УЛИЧНЫЙ ФОНАРЬ С КСЕНОНОВОЙ ЛАМПОЙ

... 1. Уличный фонарь, содержащий: ! верхнюю часть, имеющую основной патрон для подачи питания к узлу лампы; ! опору для поддержки верхней части; и ! узел лампы, содержащий кожух в качестве корпуса, имеющий основной цоколь для установки в основной патрон, выполненный на одной стороне кожуха, множество распределительных патронов для электрического подключения к основному цоколю, выполненному на другой стороне кожуха, и зазор, сформированный в его внутренней части, ксеноновую лампу для установки в распределительные патроны, балласт для приема напряжения от основного цоколя и приложения пускового напряжения к основным патронам, расположенным в зазоре, выполненный в зазоре кожуха участок переключения для подачи питания к балласту через основной цоколь или прекращения подачи питания, выполненный в зазоре кожуха участок детектирования для определения рабочего состояния ксеноновой лампы и контроллер, электрически подключенный к участку переключения, при этом контроллер предназначен для управления ...

ЛАМПА И ОСВЕТИТЕЛЬНЫЙ ПРИБОР С ПЕРЕСТРАИВАЕМЫМ ИНДЕКСОМ ЦВЕТОПЕРЕДАЧИ

ТВЕРДОТЕЛЬНОЕ УСТРОЙСТВО ОСВЕЩЕНИЯ

... 1. Твердотельное устройство освещения, содержащее: ! (a) множество светоизлучающих элементов для формирования света, включая, по меньшей мере, один светоизлучающий элемент, имеющий первую площадь поверхности; ! (b) теплорассеивающий корпус, термически соединенный с множеством светоизлучающих элементов, причем упомянутый теплорассеивающий корпус выполнен с возможностью соединения, по меньшей мере, с одним теплоотводом; ! (c) смесительную камеру, оптически соединенную с множеством светоизлучающих элементов для смешения света, испускаемого посредством множества светоизлучающих элементов; и ! (d) систему управления, функционально соединенную с множеством светоизлучающих элементов для управления работой множества светоизлучающих элементов. ! 2. Твердотельное устройство освещения по п.1, в котором множество светоизлучающих элементов дополнительно включает в себя, по меньшей мере, один светоизлучающий элемент, имеющий вторую площадь поверхности, причем первая площадь поверхности меньше второй ...

ИСТОЧНИК СВЕТА С РЕГУЛИРУЕМОЙ ТОЧКОЙ БЕЛОГО, В КОТОРОМ ПРИМЕНЯЕТСЯ ЭЛЕМЕНТ ПРЕОБРАЗОВАНИЯ ДЛИНЫ ВОЛНЫ

... 1. Источник 100 света, содержащий: по меньшей мере, две микросхемы 102 светоизлучающих диодов, каждая из которых производит свет с длинами волн, которые отличаются на 5 нм или более; и элемент 110 преобразования длины волны, установленный так, чтобы принимать свет, излучаемый, по меньшей мере, двумя микросхемами 102 светоизлучающих диодов, причем элемент 102 преобразования длины волны содержит, по меньшей мере, два разных материала преобразования длины волны, которые преобразуют свет из, по меньшей мере, двух микросхем 102 светоизлучающих диодов в разные цвета света. ! 2. Источник света по п.1, в котором элемент 110 преобразования длины волны содержит пакет пленок 111, 112, 113, преобразующих длину волны. ! 3. Источник света по п.1, в котором элемент 110 преобразования длины волны содержит смесь 114 из разных материалов преобразования длины волны, который преобразует свет из, по меньшей мере, двух микросхем 102 светоизлучающих диодов в разные цвета света. ! 4. Источник света по п.3, в котором ...

LED LEUCHTE

Lichtquelle mit mehreren weißen LEDs mit verschiedenen Ausgabespektren

Es werden eine Festkörperlichtquelle mit einer ersten und einer zweiten Komponent-Lichtquelle und einem Schnittstellenschaltkreis und ein Verfahren für deren Herstellung offenbart. Die erste und die zweite Komponent-Lichtquelle strahlen Licht mit einem ersten und einem zweiten Farbpunkt auf verschiedenen Seiten der Schwarzkörperstrahlungskurve ab. Die erste und die zweite Komponent-Lichtquelle enthalten LEDs, die Licht einer ersten Wellenlänge abstrahlen, und eine Schicht eines lichtumwandelnden Materials, das einen Teil dieses Lichts in Licht einer zweiten Wellenlänge umwandelt. Der Schnittstellenschaltkreis betreibt die erste und die zweite Komponent-Lichtquelle dergestalt, dass die Festkörperlichtquelle einen Farbpunkt hat, der näher an der Schwarzkörperstrahlungskurve liegt als entweder der erste oder der zweite Farbpunkt. Eine dritte Komponent-Lichtquelle kann integriert werden, um den Bereich weißer Farbtemperaturen auszuweiten, die durch die Lichtquelle erreicht werden können.

Light diagnostics and monitoring using wearables

LUMINAIRES

... 1525569 Lighting fittings THORN ELECTRICAL INDUSTRIES Ltd 17 Oct 1975 [31 Oct 1974] 47256/74 Heading F4R The central portion of a plastics refractor or diffuser 20 in a lighting fitting is shielded from the full thermal radiation from the light source 14 by a heat distributing member 22 having through apertures or perforations 23. The member 22 may be a metal plate or a wire mesh and is supported transversely from a reflector 12 at a third of the distance from the refractor/ diffuser 20 to the source 14. The lighting fitting also includes a stand-by lamp unit 32, 34 in which a photo-cell 30 senses operation of the main source 14 to energize the stand-by source 34 in the event of failure, or during warm-up of the main source 14. The latter is a high pressure Hg/quartz arc lamp.

A Lighting System

LIGHTING DEVICE WITH LIGHT EMITTING DIODES AND PHOTOSENSOR ARRANGEMENTS FOR OPTICAL FEEDBACK

LANTERN WITH ELECTRICAL SHINING MEANS AND PROCEDURE FOR THE OPERATION OF THE LANTERN

Illumination device

An illumination device including a lighting device, a detecting module and a display is disclosed. The detecting module is configured for detecting information of the lighting device. The display is configured for receiving the information and displaying the information thereon. Therefore, the user could know the information of the lighting device timely.

LED Lighting Module with Co-Molded Light Sensor

An LED lighting module comprising: a printed circuit board ( 12 ), at least one LED ( 14 ) connected to said printed circuit board ( 12 ), a supply circuit ( 16 ) mounted on said printed circuit board ( 12 ), a protective casing ( 20 ), made of plastic, applied to said printed circuit board ( 12 ), wherein the protective casing ( 20 ) defines a light-emitting region ( 28 ) which surrounds said at least one LED ( 14 ) and a containment region ( 30 ) in which the components of said supply circuit ( 16 ) are enclosed, and a light sensor ( 34 ) arranged to receive the light emitted by said at least one LED ( 14 ) and connected to said supply circuit ( 16 ) in which said light sensor ( 34 ) is co-molded into said protective casing ( 20 ) and faces said light-emitting region ( 28 ).

Efficient illumination system for legacy street lighting systems

An LED lamp for outdoor and large space lighting, particularly for streets, warehouses car parks and the like, is adapted for fitting into legacy light fittings designed for sodium bulbs and the like. The LED lamp comprises a plurality of light emitting diodes arranged over a surface of the lamp, is rotatably connected through a rotatable electrical connection to a screw-in adaptor for insertion into a legacy screw-in socket, such that the screw in adaptor is rotatable independently of the lamp, so that the legacy screw in socket can be used even though the light fitting is too small to allow rotation of the LED lamp. Additional embodiments provide for cooling airflow through the light fitting, for temperature control of the LEDs, and for failure protection, to ensure a longest possible lamp lifetime.

SYSTEM AND METHOD FOR CONTROLLED INTENSITY ILLUMINATION IN A BIOANALYSIS OR OTHER SYSTEM

A system and method for controlled illumination in a bioanalysis or other system where excitation of fluorescent molecules is desirable. In an embodiment, an illumination system is described which can provide excitation light at a controlled intensity to provide quantitative results. In an embodiment, a solid state light engine is described which includes a plurality of color channels each providing light output suitable for exciting a fluorescent molecule, a light to frequency converter which receives a portion of the light output, a counter which maintains a count of a signal from the light to frequency converter, and a light intensity circuit, responsive to the counter, which adjusts the color channels to control the intensity of the light output. 19.-. (canceled)10. A system comprising: a solid state light source,', 'a band pass filter, and', 'an electronic circuit to power the solid state light source,', 'whereby each color channel provides light of a different specific wavelength band suitable for exciting a fluorescent molecule;, 'a light engine including a plurality of color channels wherein each color channel includes,'}an optical system comprising a plurality of reflective elements which direct light from each color channel into a light output beam having an output beam intensity;a beam splitter which redirects a portion of the light output beam;a light to frequency converter which receives said redirected portion of the light output beam from the beam splitter and generates a pulse train having a frequency proportional to an intensity of light in said redirected portion of the light output beam;a counter that maintains a count of pulses in the pulse train such that the count of pulses provides a measure of the intensity of light in said redirected portion of the light output beam;a light intensity circuit which monitors the ongoing count of pulses maintained by the counter and adjusts one or more of the plurality of color channels in real time to thereby ...

Luminaire and Method for Temperature Determination

A luminaire comprises at least one light emitting diode (LED) as a light source. Such LED comprises a limited light emitting angle for the emitted light radiation. Outside of the light emitting angle, an infrared sensor is assigned to the light source for detecting its temperature.

Leaf Color Pattern Creation

A device and method for altering biochrome ratios in plant leaves is provided. The device and method generally include a a light source; and means of directing the light source to deliver an altering spectrum to a group of cells. The altering spectrum alters the biochrome content of a group of cells to produce a contrasting color that creates a desired pattern on a leaf.

MEDICAL SYSTEM, LIGHT SOURCE DEVICE, AND LIGHT DETECTION METHOD OF LIGHT SOURCE DEVICE

To prevent fluctuation in the correlation between the output of a light source and monitor light in a case where the output of the light source is changed. 1. A medical system comprising:an imaging device that images an observation target; anda light source device that generates light for irradiating the observation target, whereinthe light source device has:a multiplexer that multiplexes lights of different colors;a scattering unit that scatters the light multiplexed by the multiplexer; anda light receiving element that detects the light scattered by the scattering unit.2. A light source device comprising:a multiplexer that multiplexes lights of different colors;a scattering unit that scatters the light multiplexed by the multiplexer; anda light receiving element that detects the light scattered by the scattering unit.3. The light source device according to further comprisingan optical member through which the light multiplexed by the multiplexer is transmitted, whereinthe scattering unit scatters leaked light leaking from the optical member.4. The light source device according to claim 3 , wherein the optical member has a ridge line extending in a light traveling direction on an outer surface thereof.5. The light source device according to claim 4 , wherein the leaked light is leaked light from the ridge line.6. The light source device according to claim 3 , wherein the optical member has a polygonal cross-sectional shape orthogonal to a light traveling direction.7. The light source device according to claim 3 , wherein the scattering unit is arranged so as to surround a side surface of the optical member extending along a light traveling direction.8. The light source device according to claim 7 , wherein the scattering unit includes a groove-shaped recess formed so as to surround the side surface of the optical member.9. The light source device according to claim 3 , wherein a light receiving surface of the light receiving element is directed toward the optical ...

TECHNIQUES FOR ENHANCED DIFFUSION LIGHTING

Techniques for creating, configuring, and employing diffusion light devices are presented. Such light device(s) can comprise or be associated with a light management component (LMC) that can employ sensors to monitor environmental conditions in a defined area of people or vehicles, and a diffusion component that can diffuse or otherwise process light. At a least a portion of the diffusion component and/or a light component can be formed of a fabric that can emit light and/or diffuse light. LMC can enhance function of the light device to manage diffusion of light or perform other tasks to enhance user experience and safety and security of people or vehicles. Based on results of analyzing sensor data relating to the conditions, LMC can determine and facilitate implementing an adjustment(s) to a parameter(s) of the diffusion component or light component to achieve desired emission or diffusion of light. 1. A system , comprising:a processor that executed computer executable components stored in memory;a sensor component that senses ambient conditions;a light component that emits light;a diffusion component that diffuses light emitted by the light component; anda light management component that analyzes the sensed ambient conditions and controls the diffusion component to diffuse the emitted light.2. The system of claim 1 , wherein the light management component determines an environment profile relating to environmental conditions associated with an area.3. The system of claim 3 , wherein the light management component is further configured to analyze light characteristics data relating to characteristics of the light component and the environment profile claim 3 , and determine a light profile associated with the light device based at least in part on a second analysis result of the analysis of the characteristics and the environment profile.4. A method claim 3 , comprising:sensing, by a system, ambient conditions;emitting light, by the system;diffusing, by the system, ...

LIGHT SOURCE DEVICE FOR ENDOSCOPE AND ENDOSCOPE SYSTEM

The light source device for an endoscope includes a plurality of light sources that emits light with different wavelengths, a light path integration part that integrates light paths of the light, a light path unit on which the integrated light is incident, a photodetector that receives a portion of the light until the light paths are integrated by the light path integration part to obtain information on a light quantity, and a light source controller that adjusts the light quantity of the light based on a light quantity measurement signal generated by the photodetector. The light path unit includes a light guide part that has a homogenizing function to receive the integrated light from the light path integration part, and a light collecting part that collects light passing through the light guide part. 1. A light source device for an endoscope , the light source device comprising:a plurality of light sources that emits light with different wavelengths;a light path integration part that integrates light paths of light emitted from the plurality of light sources to emit integrated light;a light path unit on which the integrated light emitted from the light path integration part is incident;a photodetector that receives a portion of light emitted from at least one of the plurality of light sources until the light paths are integrated by the light path integration part to obtain information on a light quantity; anda light source controller that adjusts the light quantity of the light emitted from the at least one light source based on a light quantity measurement signal generated by the photodetector, a light guide part that has a homogenizing function to receive the integrated light from the light path integration part, and', 'a light collecting part that collects light passing through the light guide part., 'wherein the light path unit includes'}2. The light source device for an endoscope according to claim 1 ,wherein the light guide part is a light pipe.3. The light ...

Panel light apparatus

A panel light apparatus includes a base plate, a light source, a frame and a light passing cover. The base plate has a fixing unit for fixing the base plate to a platform. The base plate has multiple rotation units to switch between a lock mode and a release mode. The light source is disposed on the base plate. The frame has multiple attaching units to attach to the rotation units in the lock mode for fixing the frame to the base plate. The multiple attaching units are released from the rotation units in the release mode. The frame has a light opening. The light passing cover attached to the frame for covering the light opening for a light of the light source to pass through.

LIGHT EMITTING DEVICE

A light emitting device includes a semiconductor light emitting element to emit an excitation light, a wavelength converting member to emit fluorescent light upon being irradiated with the excitation light, a package supporting the semiconductor light emitting element and the wavelength converting member, and a first photodetector configured to detect the excitation light and a second photodetector to detect the fluorescent light, located in the package. 1. A light emitting device comprising:a semiconductor light emitting element to emit an excitation light;a wavelength converting member to emit fluorescent light upon being irradiated with the excitation light;a package supporting the semiconductor light emitting element and the wavelength converting member; anda first photodetector configured to detect the excitation light and a second photodetector to detect the fluorescent light, located in the package.2. The light emitting device according to claim 1 , further comprising a controller configured to stop light emission of the semiconductor light emitting element based on a ratio between a detected value of the excitation light from the first photodetector and a detected value of the fluorescent light from the second photodetector.3. The light emitting device according to claim 1 , wherein the first photodetector to detect the excitation light comprises a band pass filter configured to pass the excitation light claim 1 , and the second photodetector to detect the fluorescent light comprises a band pass filter configured to pass the fluorescent light.4. The light emitting device according to claim 2 , wherein the first photodetector to detect the excitation light comprises a band pass filter configured to pass the excitation light claim 2 , and the second photodetector to detect the fluorescent light comprises a band pass filter configured to pass the fluorescent light.5. The light emitting device according to claim 1 , wherein the first photodetector and the second ...

Laser Projection System

A laser projection system having built-in safety systems is disclosed. Further disclosed is a method of operating a laser projection system such that safe operation is a factor only of meeting a threshold distance between the laser unit and an audience member. To accomplish safe operation at the threshold distance, the laser projection system is pre-calibrated to operate below maximum permitted exposure levels at the threshold distance. In this manner of operation, laser lighting can be accomplished by non-laser professionals without the complexity, external sensors, and need for calibration at the venue. 1. A system for projecting a laser onto an audience , comprising:a laser source; wherein the monitoring system observes a plurality of output parameters of the laser source;', 'wherein the monitoring system generates an output signal;, 'a monitoring system,'}a calibration interface, wherein the plurality of output parameters of the laser source are pre-calibrated such that a laser beam emitted from the laser source does not to exceed a threshold exposure level at a pre-determined distance from the laser source;a safety system that receives the output signal, wherein the safety system detects a state of operation of the laser beam based on the output signal and attenuates the laser beam in the event the laser beam exceeds the threshold exposure level.2. The system of claim 1 , further comprising:an anti-tampering device operably connected to the calibration interface, wherein the anti-tampering device prevents modification of the plurality of output parameters of the laser source by unauthorized users.3. The system of claim 1 , further comprising:a motorized yoke, wherein the yoke changes an axis of projection of the laser.4. The system of claim 3 , further comprising:a yoke position sensor that generates a yoke output signal, wherein the yoke output signal is transferred to the safety system.5. A method of operating a laser projection system for an audience claim 3 ...

ILLUMINATION DEVICE

An illumination device to be mounted on a vehicle, includes a light source; a sensor configured to acquire information outside the vehicle based on invisible light; and a cover including a first portion covering the light source and a second portion covering the sensor. The second portion has a lower visible light transmittance than the first portion. 1. An illumination device to be mounted on a vehicle , comprising:a light source;a sensor configured to acquire information outside the vehicle based on invisible light; anda cover including a first portion covering the light source and a second portion covering the sensor,wherein the second portion has a lower visible light transmittance than the first portion.2. The illumination device according to claim 1 , wherein the sensor is installed on the cover.3. The illumination device according to claim 1 , wherein the first portion and the second portion are integrally molded.4. The illumination device according to claim 1 , wherein the sensor is a LiDAR sensor.5. The illumination device according to claim 1 , wherein the cover includes a third portion disposed to face a front and rear direction of the vehicle and a fourth portion disposed to face a left and right direction of the vehicle claim 1 , andthe second portion is located at a side end portion of the fourth portion remote from the third portion.6. The illumination device according to claim 1 , wherein the cover includes a third portion disposed to face a front and rear direction of the vehicle and a fourth portion disposed to face a left and right direction of the vehicle claim 1 , andthe second portion is located at a side end portion of the third portion remote from the fourth portion.7. The illumination device according to claim 1 , wherein the cover includes a third portion disposed to face a front and rear direction of the vehicle and a fourth portion disposed to face a left and right direction of the vehicle claim 1 , andthe second portion is located at an ...

COLOR MIXING OPTICS FOR LED ILLUMINATION DEVICE

Illumination devices with improved color mixing optics are disclosed herein for mixing the colors produced by a multi-colored LED emitter module to produce uniform color throughout the entire beam angle of the output light beam, along with smoother edges and improved center beam intensity. Embodiments disclosed herein include a unique arrangement of multi-color LEDs within an emitter module, a unique exit lens with different patterns of lenslets on opposing sides of the lens, and other associated optical features that thoroughly mix the different color components, and as such, provide uniform color across the output beam exiting the illumination device. Additional embodiments disclosed herein include a unique arrangement of photodetectors within the primary optics structure of the LED emitter module that ensure the optical feedback system properly measures the light produced by all similarly colored emission LEDs. 1wherein the plurality of emission LEDs are divided into N blocks, where N is an integer value greater than or equal to 3;wherein each respective block consists of N LEDs, wherein each LED within a respective block is configured to produce a different color of light;wherein the N LEDs within each respective block are arranged to form a polygon having N sides;wherein the N blocks of LEDs are arranged in a pattern on the substrate to form a polygon having N sides; andwherein the plurality of emission LEDs are electrically coupled as N chains of serially connected LEDs with N LEDs in each chain, wherein each LED within a respective chain is configured to produce a same color of light, and wherein each respective chain of LEDs is configured to produce a different color of light.. An apparatus comprising a plurality of emission LEDs mounted to a substrate, This application is a continuation of pending U.S. application Ser. No. 16/422,927, filed May 24, 2019, which claims priority to and is a continuation of U.S. application Ser. No. 15/653,608, filed Jul. 19, ...

CONNECTOR FOR AN ELECTRONIC FAUCET

A connector for an electronic faucet including a light source. The connector includes a socket and is configured to distinguish between an electrically conductive plug and an electrically non-conductive plug for controlling activation of the light source. 1. A method of operating an electronic faucet , the method comprising the steps of:providing a light outlet;providing a connector including a socket, and a first light source operably coupled to the socket;deactivating the first light source by inserting an electrically conductive plug of a wire into the socket; andactivating the first light source by inserting an electrically non-conductive plug of a light pipe into the socket, the first light source emitting light to the light outlet.2. The method of claim 1 , wherein the first light source is positioned below a mounting deck.3. The method of claim 2 , wherein light from the first light source is transmitted through the light pipe to the light outlet.4. The method of claim 1 , further comprising the steps of providing a second light source claim 1 , and activating the second light source by inserting the electrically conductive plug into the socket.5. The method of claim 1 , further comprising the step of providing a first faucet component on a first side of a mounting member claim 1 , the first faucet component including a water outlet claim 1 , wherein the light outlet is operably coupled to the first faucet component and positioned on the first side of the mounting member.6. The method of claim 5 , wherein the first faucet component comprises a delivery spout.7. The method of claim 6 , further comprising a base ring supported below the delivery spout claim 6 , the base ring including a lens operably coupled to the light outlet.8. The method of claim 5 , further comprising the step of providing a second faucet component on a second side of the mounting member claim 5 , the second faucet component including the connector and the first light source.9. The method ...

RODENT REPELLANT

A rodent repellant device that is placed on the floor and emits a movable light beam in the local area causing rodents to flee. The light source is operable to move within the plane parallel to the floor and the light beam remains within a selected angle. The selected angle of the light beam is within 90 degrees and may be controlled using a convex lens. In this manner the light beams are prevented from reaching human eye level and disturbing human activity. The light source may be an array of light sources mounted on top of a body and positioned to emit light beams in 360 degrees. The device may incorporate ultrasonic speakers to maximize disturbance to rodents, and elements such as light sensors so that the device operates at night when rodents are active. 1. An electronic rodent repellant for placement on a floor , comprising:a light module comprising one or more light sources each operable to emit a light beam within a selected angle, wherein the light module is operable to continuously change position in a plane of the one or more light sources parallel to the floor.2. The electronic rodent repellant of further comprising a body on top of which is mounted the light module claim 1 , wherein the body houses a motor operatively coupled to the light module.3. The electronic rodent repellant of wherein the one or more light sources is an array of light sources positioned around a perimeter of the light module.4. The electronic rodent repellant of wherein the body is substantially triangular by comprising two side panels attached at their back edge to a back panel claim 3 , and a front panel of lesser width than the back panel and positioned between a front edge of each of the two side panels.5. The electronic rodent repellant of further comprising an ultrasonic speaker on each side panel.6. The electronic rodent repellant of further comprising an ultrasonic speaker on the body.7. The electronic rodent repellant of wherein the perimeter of the light module is ...

Color point variable light emitting apparatus

A color point variable light emitting apparatus is provided. The color point variable apparatus comprises a member comprising a wavelength converting element and a non-wavelength converting element, the wavelength converting element is arranged to convert light of a first wavelength into light of a second wavelength and emit the light of the second wavelength, and the non-wavelength converting element is arranged to redirect light of the first wavelength, a light source having a controllable optical element, the light source is arranged to, with light of a first wavelength, illuminate both a portion of the wavelength converting element and a portion of the non-wavelength converting element, and a controller arranged to control the controllable optical element such that a ratio of the portion of the wavelength converting element and the portion of the non-wavelength converting element illuminated by the light source is changed. A method for varying color point of light is further provided.

LED PROJECT LIGHT HAS MULTIPLE FUNCTIONS

The multiple function LED project light is a hand-held and powered by DC power, and the project light has front lens has project magnify lens fit-into or install-on or built-in on center position. The project lens has below position outer-tube set assembled together so outer-tube can envelope or surrounded the lower position separated inner-tube which has image-forming unit within. While the project head move away from the project light neck by screw-thread or other extend construction to make distance between the magnify lens and image forming-unit changed to get focus adjustment functions. The said Project light may has self-prong, or project light fit within the hold-base which has prong-set both get AC current through the AC-to-DC circuit to get desired DC power for LED or SMD-LEDs or Dip-LEDs or COB-LED or other DC operated electric components to use. The said project light at least have project image function and flashlight functions or-and other more different functions light select from market available types. 1. A LED project light has multiple functions consist of;At least one project assembly install on the project Light to project image or-and lighted patterns to wall, ceiling, surface feet away.The said project LED light has extend-and-retractable or movable magnify-lens for projection image in order to get focus adjust for clear image or lighted patterns on different distance surface from Project light.The said project LED light is DC current product and has built-in rechargeable battery which can be charged by;(a) LED project light itself has built-in prong to insert into AC outlet, or(b) LED project light is fit into a hold-base which has prong to insert AC outlet, or(c) LED project light has hold-base has receiving-ends to receive outside AC-to-DC transformer or built-in AC-to-DC circuitry output end DC power, or output end DC, or(d) LED project light has built-in DC power source and through circuit to get desired DC current for project light or ...

Control modules having integral antenna components for luminaires and wireless intelligent lighting systems containing the same

A sensor and control module is provided that includes an antenna formed as an integral component of a lens fastener or a housing of the module. A lens may be attached to the housing by the lens fastener. The module may further include a light responsive detector located in the housing so as to receive light through the lens, circuitry configured to generate a control signal dependent on the light sensed by the light responsive detector, and a wireless radio-frequency transmitter coupled to the antenna and configured to wirelessly transmit the control signal via the antenna. The sensor and control module may be incorporated in a luminaire within a wireless lighting control system.

Light source device

A light source device, includes: a plurality of excitation light sources that emit primary light; an optical member that condenses the primary light; a fluorescent unit that emits secondary light including the primary light and wavelength converted light which is at least some of the primary light on which wavelength conversion is performed; and a sensor that detects an anomaly in the fluorescent unit. In addition, when seen along an optical axis of the primary light emitted by the plurality of excitation light sources, the sensor circumscribes, among the plurality of excitation light sources, a first excitation light source and a second excitation light source different from the first excitation light source, and is disposed inside an imaginary circle having, as a diameter, a line segment connecting the first excitation light source and the second excitation light source.

ULTRAVIOLET LIGHT MODULE HAVING OUTPUT POWER CONTROL MECHANISM

The invention relates to UV light modules that generate UV light. The UV light module includes: a substrate; a light source mounted on a top surface of the substrate, the light source generates output light; a detector mounted on the top surface of the substrate, the detector detects light incident thereon; and a lens disposed over the light source and the detector. The lens includes a surface on which a portion of the output light is internally reflected and the portion of the output light travels through the lens to the detector. 1. An apparatus for generating light , comprising:a substrate;a light source mounted on a top surface of the substrate, the light source generates output light;a detector mounted on the top surface of the substrate, the detector detects light incident thereon;a lens disposed over the light source and the detector, the lens includes a surface on which a portion of the output light is internally reflected and the portion of the output light travels through the lens to the detector, the lens having a bottom surface that is in direct contact with a top surface of the light source and a top surface of the detector;a controller for sending signals on a regular basis; anda counter for monitoring an operation lifetime of the light source based on the signals from the controller.2. The apparatus as recited in claim 1 , wherein the light source claim 1 , detector and lens are arranged so that the detector receives 1-10% of the output light generated by the light source.3. The apparatus as recited in claim 1 , wherein the light source claim 1 , detector and lens are arranged so that the detector produces a photo induced current of at least 1 μA.4. The apparatus as recited in claim 1 , wherein the output light generated by the light source has a wavelength range of 205-365 nm.5. The apparatus as recited in claim 1 , further comprising:a feedback loop that controls a power input to the light source using an output signal from the detector.6. The ...

PART ILLUMINATION STATUS LIGHTS

A power tool is provided. The tool has a housing containing an internal drive system that drives an output member that engages a workpiece and exerts mechanical force thereupon. A force sensor and a positional sensor are operatively connected to the drive system to sense characteristic variables of the drive system during engagement of the workpiece. A light unit is positioned on a front end and a top portion of the housing so as to be able to direct light of various colors onto the workpiece. A control unit is operatively connected to the drive system and the light unit so as to control the light unit based on the characteristic variables of the drive system measured by the sensors. The light unit may illuminate a colored light on the workpiece depending on whether or not the workpiece was determined to be fastened according to predetermined specifications. 1. A power tool comprising:a housing containing an internal drive system that drives an output member;a work element coupled for rotation with the output member, the work element being configured to engage a workpiece and exert mechanical force thereupon;a sensor operatively connected to the drive system to sense a characteristic variable of the drive system;a light unit positioned on a front end of the housing and configured to direct light to the workpiece; anda control unit operatively connected to the drive system and the light unit, the control unit configured to control the light unit based on the characteristic variable of the drive system measured by the sensor.2. The power tool of claim 1 , wherein the sensor is a force sensor and the characteristic variable is a torque value of the drive system.3. The power tool of claim 1 , wherein the sensor is a positional sensor and the characteristic variable is a rotational value of the drive system.4. The power tool of claim 1 , wherein the light unit is positioned on a top portion of the housing.5. The power tool of claim 1 , wherein the light unit exhibits ...

LED Module

An improved LED module that is thermally self-stabilizing, and that is able to be retrofitted into an existing flashlight is provided. In one embodiment, the LED module includes a light emitting diode, an amplifying circuit and a microchip. The amplifying circuit includes a temperature sensing device to sense heat from the light emitting diode. The output of the amplifying circuit is input to the microchip which output to a switching device that regulates energy that is delivered to the light emitting diode. The switching device may be part of a boosting circuit, a bucking circuit or an inverting circuit.

LIGHT-EMITTING PANEL

The present invention relates to a light-emitting panel () comprising a first plurality of light-sources (-) arranged in a first light-source layer () and a second plurality of light-sources (-) arranged in a second light-source layer (), with a light-diffusing layer () being arranged and configured to substantially only diffuse light emitted by light-sources in the first plurality of light-sources (-) so that the light-emitting panel () is arranged to provide diffused illumination from the first light-source layer () and substantially un-diffused illumination from the second light-source layer (). The light-emitting panel () also comprises a light sensor for sensing light that is emitted by light-sources in the first plurality of light-sources (-) following reflection at an object arranged in front of the light-emitting panel (), so that the operation of the light-emitting panel () can be controlled based on the signal provided by the light-sensor. 1. A light-emitting panel comprising:a front side and a back side;a first plurality of light-sources arranged in a first light-source layer and a second plurality of light-sources arranged in a second light-source layer, the first and second light source layers being arranged to emit light in a direction towards the front side;a light-diffusing layer arranged and configured to substantially only diffuse light emitted by light-sources in the first plurality of light-sources so that the light-emitting panel is arranged to provide diffused illumination from the first light-source layer and substantially un-diffused illumination from the second light-source layer;wherein the second light-source layer comprises a light-sensor for providing a signal based on the sensing of light emitted by light-sources in the first plurality of light-sources following reflection at an object arranged in front of the light-emitting panel, the light sensor being formed by at least a sub-set of the light-sources in the second plurality of light- ...

LIGHT EMITTING APPARATUS

A light emitting apparatus includes a light emitting unit including a monochromatic light source configured to emit light having a predetermined color, and a wavelength conversion element configured to generate white light from the light emitted by the monochromatic light source, a spectrum detection unit configured to detect a first spectrum distribution from the light emitted by the monochromatic light source, and detect a second spectrum distribution from the white light, and a controller configured to compare the first spectrum distribution and the second spectrum distribution with a first reference spectrum distribution and a second reference spectrum distribution, respectively, and adjust at least one of a wavelength and an intensity of the light emitted by the monochromatic light source. 1. A light emitting apparatus , comprising:a light emitting unit including a monochromatic light source configured to emit light having a predetermined color, and a wavelength conversion element configured to generate white light from the light emitted by the monochromatic light source;a spectrum detection unit configured to detect a first spectrum distribution from the light emitted by the monochromatic light source, and detect a second spectrum distribution from the white light; anda controller configured to compare the first spectrum distribution and the second spectrum distribution with a first reference spectrum distribution and a second reference spectrum distribution, respectively, and adjust at least one of a wavelength and an intensity of the light emitted by the monochromatic light source.2. The light emitting apparatus of claim 1 , wherein the controller adjusts the wavelength of the light emitted by the monochromatic light source by increasing or decreasing a dominant wavelength of the light emitted by the monochromatic light source claim 1 , based on a result of comparing the first spectrum distribution with the first reference spectrum distribution.3. The light ...

LIGHTING DEVICE WITH LIGHT MIXING ELEMENT AND LUMINESCENT VOLUME

Various embodiment may relate to a lighting device, including a light mixing element having a light entry surface and a light exit surface, multiple light sources, the primary light of which can be is radiated onto the light entry surface, a wavelength conversion unit having a carrier, on which a luminescent volume is arranged, which luminescent volume can be is illuminated by means of the primary light emitted by the light exit surface, and at least one decoupling optical unit for forming useful light emitted by the wavelength conversion unit, which has at least one non-imaging safety region. The multiple light sources radiate the primary light thereof at an angle onto the light entry surface. The at least one safety region occupies a position on the decoupling optical unit which corresponds to a region of high intensity of the primary light in the case of remote luminescent volume. 1. A lighting device , comprising:a light mixing element having a light entry surface and a light exit surface,multiple light sources, the primary light of which is radiated onto the light entry surface,a wavelength conversion unit having a carrier, on which a luminescent volume is arranged,which luminescent volume is illuminated by means of the primary light emitted by the light exit surface, andat least one decoupling optical unit for forming useful light emitted by the wavelength conversion unit, which has at least one non-imaging safety region,whereinthe multiple light sources radiate the primary light thereof at an angle onto the light entry surface,the at least one safety region occupies a position on the decoupling optical unit which corresponds to a region of high intensity of the primary light in the case of remote luminescent volume.2. The lighting device as claimed in claim 1 , wherein the carrier is a reflective carrier.3. The lighting device as claimed in claim 1 , wherein the carrier is a light-transmissive carrier.4. The lighting device as claimed in claim 1 , wherein the ...

Light emitting device and method for manufacturing a light emitting device

A light emitting device comprising a substrate ( 6 ) having an electrically conducting circuit layer ( 8 ), a LED package ( 7 ) surface mounted on the substrate ( 6 ) and electrically connected to the circuit layer ( 8 ), and a heat sink element, surface mounted on the substrate ( 6 ) separately from the LED package ( 7 ), the heat sink element having a body ( 2 ) of a heat conductive material surrounding the LED package ( 7 ), the body being thermally connected to the circuit layer ( 8 ), and being adapted to provide heat dissipation from the circuit layer ( 8 ) to a surrounding environment, wherein a surface ( 3 ) of the heat sink element facing the LED package is adapted to form part of a beam shaping optics for shaping light emitted from the LED package. Since the heat sink body is in thermal contact with the circuit layer, the heat resistance from the LED package to the heat sink body via the circuit layer is minimized.

Ceiling-Mounted Type Lighting Device

A light-receiving unit containing four optical sensors arranged crosswise and a light-shielding body containing four through-holes confronting light-receiving surfaces of the optical sensors, and a tilt adjustment mechanism containing first and second movable bodies which are mounted on first and second rotation shafts arranged on a same plane to cross at right angles are provided. The tilt adjustment mechanism is mounted in a housing constituting a ceiling-mounted type lighting device and the light-receiving unit and a lighting lamp are mounted on a rotational center axis of the second moving body. Tilt adjustment light emitted from a treatment table hits the optical sensors via the light-shielding body. 1. A ceiling-mounted type lighting device , comprising:a light-receiving unit containing four optical sensors arranged crosswise and a light-shielding body through which four through-holes are cut as positions that are respectively opposite to light-receiving surfaces of the optical sensors; anda tilt adjustment mechanism containing first and second movable bodies which are mounted on first and second rotation shafts arranged on a same plane to cross at right angles,wherein the light shielding body is arranged so as to be opposite to the optical sensors with any possible small clearance being kept;wherein single tilt adjustment light emitted from a light emitter of a side of the treatment table passes through the through-holes to form four spotted tilt adjustment lights which are respectively concentrated to the sensors;wherein the tilt adjustment mechanism is mounted in a housing constituting the ceiling-mounted type lighting device; andwherein the light-receiving unit and a lighting lamp illuminating a side of the light emitter are mounted on a rotational center axis of the second moving body, whereby a tilt of the light-receiving unit is adjusted on the basis of outputs from the optical sensors.2. The ceiling-mounted type lighting device according to claim 1 , ...

Laser Projection System

A laser projection system having built-in safety systems is disclosed. Further disclosed is a method of operating a laser projection system such that safe operation is a factor only of meeting a threshold distance between the laser unit and an audience member. To accomplish safe operation at the threshold distance, the laser projection system is pre-calibrated to operate below maximum permitted exposure levels at the threshold distance. In this manner of operation, laser lighting can be accomplished by non-laser professionals without the complexity, external sensors, and need for calibration at the venue. 1. A system for projecting a laser onto an audience , comprising:a laser source; wherein the monitoring system observes a plurality of output parameters of the laser source;', 'wherein the monitoring system generates an output signal;, 'a monitoring system,'}a calibration interface, wherein the plurality of output parameters of the laser source are calibrated such that a laser beam emitted from the laser source does not to exceed a threshold exposure level at a given distance;a safety system that receives the output signal, wherein the safety system attenuates the laser beam in the event the laser beam exceeds the threshold exposure level.2. The system of claim 1 , further comprising:an anti-tampering device operably connected to the calibration interface, wherein the anti-tampering device prevents modification of the plurality of output parameters of the laser source by unauthorized users.3. The system of claim 1 , further comprising:a motorized yoke, wherein the yoke changes an axis of projection of the laser.4. The system of claim 3 , further comprising:a yoke position sensor that generates a yoke output signal, wherein the yoke output signal is transferred to the safety system.5. A method of operating a laser projection system for an audience claim 3 , comprising: a laser head that projects laser beam;', 'a motorized yoke having a mount, wherein the laser head ...

Variable-beam lighting system

A method and device for variable-beam illumination are disclosed. The device has a light source, a first reflector segment, and a second reflector segment. The first segment has a first parabolic cross section to produce a first light distribution having a wide-angle light distribution. The second segment has a second parabolic cross section to produce a second light distribution that is narrower than the first light distribution. At least one of the first and second segments is movable between first and second positions. At least a portion of the light is reflected to effectuate the first light distribution when the at least one of the first and second segments is in the first position. At least a portion of the light is reflected to effectuate the second light distribution when the at least one of the first and second segments is in the second position.

SURFACE MOUNT DEVICE TYPE LASER MODULE

A surface mount device type laser module includes a housing, an edge-emitting type laser diode unit, a reflective optical component and a base. The base is accommodated within the housing, and the edge-emitting type laser diode unit is integrated into the base. The base includes at least one surface transmission structure. The at least one surface transmission structure is exposed outside the base and the housing. An electronic signal is transmitted through the at least one surface transmission structure. A laser beam provided by the edge-emitting type laser diode unit is reflected by the reflective optical component, and the reflected laser beam is transmitted through an opening of the housing. 1. A surface mount device type laser module , comprising:a housing having an opening;a base accommodated within the housing and comprising at least one surface transmission structure, wherein the at least one surface transmission structure is exposed outside the base and the housing, and at least one electronic signal is transmitted through the at least one surface transmission structure;an edge-emitting type laser diode unit fixed on the base and providing at least one laser beam; anda reflective optical component, wherein after a first portion of the at least one laser beam is projected on the reflective optical component, the first portion of the at least one laser beam is reflected by the reflective optical component and transmitted through the opening of the housing.2. The surface mount device type laser module according to claim 1 , further comprising a photodiode unit claim 1 , wherein the photodiode unit is disposed on the base or disposed outside the base claim 1 , and at least a portion of the at least one laser beam is projected on the photodiode unit so as to be detected by the photodiode unit.3. The surface mount device type laser module according to claim 2 , wherein the photodiode unit is disposed on the base claim 2 , and the edge-emitting type laser diode ...

Illumination unit and display

An illumination unit includes: a light source section including a laser light source; an optical-path branching device outputting light incident from the light source section, by branching the light into an outgoing optical path of illumination light and other optical path; a photodetector receiving a light flux that travels on the other optical path; a control section controlling an emitted light quantity in the laser light source, based on a quantity of the light flux received by the photodetector; and a light-quantity-distribution control device disposed between the optical-path branching device and the photodetector on the other optical path, the light-quantity-distribution control device controlling a light quantity distribution in the light flux to be incident upon the photodetector.

Lighting System for an Enclosed Space

A lighting system for an enclosed space associated with a non-occupancy function. The lighting system can include one or more HINS light sources disposed within the enclosed space associated with the non-occupancy function. The one or more light sources can be configured to emit HINS light onto one or more surfaces defining the enclosed space. 1. A lighting system for an enclosed space associated with a non-occupancy function , the lighting system comprising:one or more high intensity narrow spectrum (HINS) light sources disposed within the enclosed space, the one or more HINS light sources configured to emit HINS light onto one or more surfaces defining the enclosed space associated with the non-occupancy function.2. The lighting system of claim 1 , further comprising:one or more control devices configured to control operation of the one or more HINS light sources.3. The lighting system of claim 2 , wherein the one or more control devices are configured to:obtain data indicative of whether a door movable between an open position and a closed position to permit selective access to the enclosed space is in the open position or the closed position;activate the one or more HINS light sources when the data indicates the door is in the closed position; anddeactivate the one or more HINS light sources when the data indicates the door is in the open position.4. The lighting system of claim 2 , further comprising:one or more non-HINS light sources disposed within the enclosed space, the one or more non-HINS light sources configured to emit non-HINS light.5. The lighting system of claim 4 , wherein when a door movable between an open position and a closed position to permit selective access to the enclosed space is in the open position claim 4 , the one or more control devices are configured to:control operation of the one or more HINS light sources and the one or more non-HINS light sources to provide a blend of HINS light and non-HINS light.6. The lighting system of claim ...

ILLUMINATION UNIT AND DISPLAY

An illumination unit includes: a light source section including a laser light source; an optical-path branching device outputting light incident from the light source section, by branching the light into an outgoing optical path of illumination light and other optical path; a photodetector receiving a light flux that travels on the other optical path; a control section controlling an emitted light quantity in the laser light source, based on a quantity of the light flux received by the photodetector; and a light-quantity-distribution control device disposed between the optical-path branching device and the photodetector on the other optical path, the light-quantity-distribution control device controlling a light quantity distribution in the light flux to be incident upon the photodetector. 1. An illumination unit comprising:a light source section including a laser light source;an optical-path branching device outputting light incident from the light source section, by branching the light into an outgoing optical path of illumination light and other optical path;a photodetector receiving a light flux that travels on the other optical path;a control section controlling an emitted light quantity in the laser light source, based on a quantity of the light flux received by the photodetector, anda light-quantity-distribution control device disposed between the optical-path branching device and the photodetector on the other optical path, the light-quantity-distribution control device controlling a light quantity distribution in the light flux to be incident upon the photodetector.2. The illumination unit according to claim 1 , wherein an optical member is provided claim 1 , the optical member controlling polarized components to increase a polarized component same as a main polarized component in the illumination light relatively claim 1 , in the light flux traveling on the other optical path.3. The illumination unit according to claim 2 , whereinthe optical member is a ...

ELECTRONIC APPARATUS FOR HOSE ATTACHMENT TO ENHANCE VISIBILITY AND SAFETY AND METHOD THEREFOR

An illumination device for attachment to a hose has a housing coupled to the hose. The housing allows a substance from the hose to flow through the housing. An electronic circuit is stored in an interior of the housing to illuminate an area in front of the hose and to transmit data to and from the illumination device. 1. An illumination device comprising:a housing having a housing interior formed by substantially flat front plate, an inner perimeter wall and an outer perimeter wall, the front plate having a plurality of light unit openings at the outer perimeter wall, the inner perimeter wall aligned with a fluid flow path originating from a center opening in the housing;a plurality of high intensity light source units respectfully positioned in the plurality of light unit openings to emit light forward from the front plate including a portion of the emitted light at an angle intersecting with the fluid flow path forward from the front plate;an electronic circuit including the plurality of high intensity light source units coupled to a battery stored in an interior of the housing to power and illuminate an area forward of the front plate;a cover with a perimeter shape to fit against the inner perimeter wall and outer perimeter wall and a depth at least as great as the battery, the cover enclosing the plurality of light sources in the housing interior and isolating the battery from the plurality of light sources; anda housing back plate attachable to the exterior side wall to seal the housing interior.2. An illumination device in accordance with claim 1 , wherein the plurality of light unit openings each have light unit opening perimeters and a portion of each light unit opening perimeter is coincident with a portion of the outer perimeter wall.3. An illumination device for in accordance with claim 1 , wherein the cover is a two-piece cover having a first piece and a second piece claim 1 , the first piece with an exterior perimeter shape to fit within and match the ...

SYSTEM AND METHOD FOR PERFORMING SELF-TEST AND PREDICTING EMERGENCY LIGHTING FIXTURES LIFE EXPECTANCY

A system for managing emergency lighting is generally described. In particular, the present disclosure relates to self-tests and predictive life expectancy operations of emergency lighting systems. Further, the present disclosure relates to an automated system and method for performing self-tests and predicting emergency lighting fixture life expectancy. In the exemplary embodiments, emergency lighting system tests may be automatically scheduled, carried out, and evaluated. 1. A system for performing an emergency lighting fixture test and predicting life expectancy of an emergency lighting fixture , comprising:a gateway configured to control illumination of a luminaire including an emergency power source, wherein the gateway is configured for being in electrical communication with a permanent live power supply, and the gateway is further configured for being in data communication with a server;a dimming control driver in electrical communication with the gateway, wherein the dimming control driver is configured to adjust a dimming level of the luminaire; and,a sensor subsystem configured to measure at least a color intensity of light that is emitted by the luminaire, whereinthe sensor subsystem is in data communication with the server, either directly or via the gateway,the gateway includes a first connection and a second connection, wherein the gateway is configured to control a power supply to the luminaire through the first connection, and the gateway is operative to switch the luminaire on and off by respectively switching on and off the power supply to the luminaire through the first connection,the gateway is configured to control at least one of the dimming level of the luminaire and a dimming control protocol of luminaire through the second connection, andthe emergency power source is operative to provide power to the luminaire when the gateway switches off the power supply to the luminaire.2. The system of claim 1 , wherein the dimming control driver is ...

LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE, AND ELECTRONIC APPARATUS

According to an aspect, a light emitting device includes a base that includes at least a frame body; a light source that emits light; and a temperature sensor with which the base is provided and that detects changes in temperature of the light source. A space is provided between the temperature sensor and a portion of the base corresponding to a portion in which the temperature sensor is provided. 1. A light emitting device comprising:a base;a light source configured to emit light;a temperature sensor configured to detect temperature changes by radiant heat of the light source; andan adhesive layer arranged between the temperature sensor and the base,wherein the adhesive layer has a contact region that is in contact with the base and a non-contact region that is not in contact with the base.2. The light emitting device according to claim 1 , wherein the base includes a recessed portion in the non-contact region.3. The light emitting device according to claim 2 , wherein the base includes a projecting portion overlapping the recessed portion in a thickness direction of the base.4. The light emitting device according to claim 1 , wherein the base includes an opening positioned in the non-contact region.5. The light emitting device according to claim 1 , wherein the light source is positioned on the base.6. The light emitting device according to claim 1 ,wherein the base includes a first portion and a second portion that extends in thickness direction of the first portion,wherein the light source is positioned on the first portion, and the temperature sensor is positioned on the second portion.7. The light emitting device according to claim 1 , wherein the base adhesive layer includes an opening positioned in the non-contact region.8. The light emitting device according to claim 1 , further comprising a plurality of the light sources claim 1 ,wherein the temperature sensor is positioned between the light sources.9. The light emitting device according to claim 1 , ...

DUAL-DISTRIBUTION LIGHTING DEVICE FOR LIGHTING SYSTEMS

Aspects are described for dual-distribution lighting devices. For example, a dual-distribution lighting device includes a forward-throw module with a first lighting element that can provide directional light, a wide-throw module with a second lighting element that can provide light with a wide distribution, an interface element that can to receive input, and a processing device. In response to the input being received via the interface element, the processing device deactivates one of the forward-throw and wide-throw modules and activates the other of the forward-throw and wide-throw modules, thereby causing the dual-distribution lighting device to switch between providing directional light and a wide distribution of light. 1. A dual-distribution lighting device comprising:a forward-throw module comprising a first lighting element configured to provide directional light;a wide-throw module comprising a second lighting element configured to provide light with a wide distribution of light;an interface element configured to receive an input; and (i) deactivating the forward-throw module of the dual-distribution lighting device to cause the first lighting element to cease providing the directional light and activating the wide-throw module to cause the second lighting element to provide the wide distribution of light; and', '(ii) deactivating the wide-throw module to cause the second lighting element to cease provide the wide distribution of light and activating the forward-throw module of the dual-distribution lighting device to cause the first lighting element to provide the directional light., 'a processing device configured to perform, responsive to the input being received via the interface element, operations comprising one or more of2. The dual-distribution lighting device of claim 1 , wherein:the interface element is a button on the dual-distribution lighting device, receive input from the button,', 'responsive to detecting a threshold number of pushes of the ...

OPTOELECTRONIC COMPONENT AND METHOD OF OPERATING AN OPTOELECTRONIC COMPONENT

An optoelectronic component includes a first optoelectronic semiconductor chip that emits useful light and extends in the optoelectronic component along a first light path, an optical element arranged in the first light path, a second optoelectronic semiconductor chip that emits test light and extends in the optoelectronic component along a second light path, wherein the optical element forms a part of the second light path, and a light detector that detects test light that has passed through the second light path. 114-. (canceled)15. An optoelectronic component comprising:a first optoelectronic semiconductor chip that emits useful light and extends in the optoelectronic component along a first light path,an optical element arranged in the first light path,a second optoelectronic semiconductor chip that emits test light and extends in the optoelectronic component along a second light path, wherein the optical element forms a part of the second light path, anda light detector that detects test light that has passed through the second light path.16. The optoelectronic component according to claim 15 , wherein the optical element is a diffractive optical element.17. The optoelectronic component according to claim 15 , wherein the test light on the second light path is conducted through the optical element.18. The optoelectronic component according to claim 17 , wherein the second light path in the optical element extends perpendicularly to the first light path.19. The optoelectronic component according to claim 15 , wherein the test light on the second light path is deflected by the optical element.20. The optoelectronic component according to claim 19 , wherein the test light on the second light path is reflected externally at the optical element.21. The optoelectronic component according to claim 19 , wherein the test light on the second light path is reflected internally at the optical element.22. The optoelectronic component according to claim 19 , wherein the test ...

Light and Light Sensor

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected brightness level, a controller operable to regulate an amount of power provided to the LEDs in response to the signal, a light transmitting housing for the LEDs, the sensor and the controller and a connector shaped for connection with a light socket disposed at an end of the housing. 120.-. (canceled)21. A system comprising:an LED-based lighting device comprising:a housing,one or more light emitting diodes (LEDs) disposed within the housing, anda connector coupled to an end of the housing, wherein the connector is configured to engage with a light socket;a sensor configured to:determine a brightness level of light during operation of the LED-based lighting device, andoutput a signal corresponding to the determined brightness level; anda controller configured to:estimate an efficiency of the one or more LEDs based on the signal,determine that the efficiency of the one or more LEDs is less than a threshold efficiency, andresponsive to determining that the efficiency of the one or more LEDs is less than the threshold efficiency, operating at least one of the LEDs to indicate that the efficiency of the one or more LEDs is less than the threshold efficiency.22. The system of claim 21 , wherein operating at least one of the LEDs to indicate that the efficiency of the one or more LEDs is less than the threshold efficiency comprises illuminating a first LED according to a first color and a second LED according to a second color claim 21 , the first LED being adjacent to the second LED claim 21 , and the first color being different than second color.23. The system of claim 21 , wherein operating at least one of the LEDs to indicate that the efficiency of the one or more LEDs is less ...

ANTIMICROBIAL SYSTEM WITH DISTRIBUTED DISINFECTION CONTROLS AND ENHANCED SWITCHING DEVICE

Antimicrobial system including a luminaire configured to emit a disinfection light in an ultraviolet band for disinfecting a vicinity of a target pathogen. A switching device that includes a primary relay pack. The primary relay pack has a communication interface, a measurement circuit, a processor, and disinfection monitoring programming in a memory. Execution of the disinfection monitoring programming by the processor configures the primary relay pack to perform the following functions. Based on a second input from the operator, produce a visual inspection signal. Monitor, via the measurement circuit, a power parameter of the luminaire. Compare the monitored power parameter with an active disinfection threshold, a passive operation threshold, or a combination thereof. In response to the comparison, either determine that the disinfection light source is unexpectedly on, is degraded or disabled, or the luminaire is inoperable; or control power to the luminaire to emit the disinfection light. 1. An antimicrobial system , comprising:a luminaire configured to emit a disinfection light via a disinfection light source in an ultraviolet (UV) band for disinfecting a vicinity of a physical space of a target pathogen that is exposed to the disinfection light, a primary relay pack regulator coupled to the luminaire and configured to control power to the luminaire,', 'a primary relay pack processor coupled to the primary relay pack regulator and configured to control the primary relay pack regulator,', 'a primary relay pack measurement circuit coupled to the luminaire, the primary relay pack regulator, and the primary relay pack processor, wherein the primary relay power pack monitoring circuit is configured to monitor a power parameter of the luminaire;', (a) an active disinfection threshold for active disinfection operation of the luminaire during which the disinfection light source is on and actively disinfecting the vicinity of the physical space,', '(b) a passive ...

COLOR RENDERING INDEX TUNABLE LAMP AND LUMINAIRE

The invention provides a provides a lighting unit () comprising a first light source (), a second light source (), a first wavelength converting (), a second wavelength converting element (), wherein the lighting unit further comprises a transport infrastructure () configured to arrange the first light source, the second light source, the first wavelength converting element, and the second wavelength converting element in a first configuration or a second configuration by transport of one or more of these, wherein in the first configuration and the second configuration the lighting unit provides lighting unit light having substantially the same color point while having different color rendering indices. With such lighting unit, it is possible to switch between high CRI-low efficiency and low CRI-high efficiency at a given color temperature (or color point).

SELF-MONITORING MARINE NAVIGATION LIGHT

A self-monitoring LED marine navigation light that monitors LED intensity and if the intensity is not COLREG compliant, a microprocessor in the light simulates an open filament just as would an incandescent light, thus allowing the analog ships alarm panel circuit to trigger an alarm. The device generally comprises a base, a lens mounted to the base, and an LED module seated in the base and enclosed by the lens. The LED module includes primary and optional secondary LED lights plus one or more photodiode(s) exposed to the LED light(s). The LED also includes a processor and software for measuring light intensity input to the photodiode(s), comparing measured intensity to a minimum COLREG threshold, and signaling failure when measured intensity falls below said minimum threshold. 1. A marine navigation light , comprising:a base;a lens mounted to the base; a support member,', 'at least one LED light mounted on the support member,', 'at least one photodiode mounted on the support member and exposed to said at least one LED light, and', measuring light intensity at said photodiode of the at least one LED light mounted on the support member,', 'automatically comparing at said processor said measured intensity to a minimum threshold,', 'signaling a failure when said measured intensity falls below said minimum threshold. having a flat facing intersecting a shoulder, 'an electronic module mounted in said support member and comprising one or more printed circuit boards containing circuitry including at least an LED driver circuit, a photodiode, a processor, and non-transitory computer-readable storage device storing a monitoring software module comprising a series of computer-readable instructions for monitoring an intensity of said at least one LED light mounted in the facing of said support member by the steps of,'}], 'an LED module seated in said base and enclosed by said lens, said LED module further comprising,'}2. The marine navigation light according to claim 1 , ...

UV LED RADIATION SOURCES FOR USE IN PHOTOPOLYMER EXPOSURE

A source of actinic radiation for curing printing plates. The source includes a base with a heat sink and has a length greater than its width. One or more circuit boards mounted on the base provide a plurality of light emitting diodes (LEDs) distributed over the length of the base. A transparent or translucent cover together with the base defines an enclosure for the plurality of LEDs. The source provides the radiation at an emission angle greater than the emission angles of a single LED in a plane perpendicular to the axis of the base, in a plane containing the axis of the base or parallel to the axis of the base and perpendicular to the target illumination plane, or a combination thereof. The source may be configured to replace a fluorescent bulb. Methods and systems for bank exposure of printing plates using such sources are also described. 1. A radiation source for curing a photopolymer printing plate with actinic radiation , the source comprising:a base comprising a heat sink, the base having a width and a length along an axis, wherein the length is greater than the width;one or more circuit boards mounted on the base, the one or more circuit boards collectively having a plurality of light emitting diodes (LEDs) distributed over the length of the base; anda cover transparent or translucent to the actinic radiation and mounted on the base, the cover together with the base defining an enclosure for the plurality of LEDs.2. The radiation source of claim 1 ,wherein each LED is configured to emit actinic radiation in a direction toward a target illumination plane at an emission angle, and the source is configured to provide the actinic radiation at an emission angle greater than an emission angle of a single LED in a first plane perpendicular to the axis of the base, greater than an emission angle of a single LED in a second plane containing the axis of the base or parallel to the axis of the base and perpendicular to the target illumination plane, or a combination ...

LIGHTING SYSTEM FOR GROWING PLANTS

A lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna. 1. A lighting system , comprising: a first LED sub-array configured to provide a first wavelength spectrum, the first sub-array comprising first, second, and third LEDs, and', 'a second LED sub-array configured to provide a second wavelength spectrum; and, 'a light emitting diode (LED) array comprising receive an input signal,', 'adjust the first wavelength spectrum and the second wavelength spectrum based at least in part on the input signal, and', 'adjust an intensity of light from one or more of the first, second, and third LEDs, the intensity adjusted in relation to an intensity of another of the first, second, and third LEDs and based at least in part on the input signal., 'an LED controller configured to2. The lighting system of claim 1 , further comprising:an antenna configured to wirelessly receive the input signal and provide the input signal to the LED controller.3. The system of claim 1 , wherein the first claim 1 , second and third LEDs are configured to emit first claim 1 , second and third colors of light claim 1 , respectively.4. The system of claim 3 ,wherein the second LED sub-array comprises fourth, fifth and LEDs configured to emit fourth, fifth and sixth colors of light, respectively, andwherein the LED controller is further configured to adjust an intensity of light from one or more of the fourth, fifth and sixth LEDs in relation to an intensity of another of the fourth, fifth and sixth LEDs and based at least in part on the input signal.5. The system of claim 1 , wherein the controller is further configured to drive the first and second wavelength spectrums to match the action spectrum ...

BROADBAND LIGHT SOURCE MODULE COMBINING SPECTRUMS OF DIFFERENT TYPES OF LIGHT SOURCES

A wideband light source includes multiple light sources enclosed within a butterfly package. The butterfly package includes light sources of different types such as a plurality of SLEDs and a plurality of laser diodes. Other types of broadband and narrow band light sources may be included on the same butterfly package in a similar manner. The emitted light from each light source is collimated via a collimating lens and directed towards an optical fiber using a mirror. Each light source produces light in a different spectral range, and the collimated beams from the various light sources are combined into a joined broadband beam by a plurality of corresponding dichroic mirrors. The broadband beam is coupled into a single mode or polarization maintaining fiber which serves as the optical output from the butterfly package. A processor monitors the power output of each light source drives each light source to ensure stability. 1. A light source module comprising:a plurality of light sources, wherein at least two of the light sources are of different types;one or more mirrors for combining light emitted from each of the light sources into a combined light beam; andan output connector for transmitting the combined light beam to a fiber optic cable.2. The light source module of claim 1 , wherein at least two of the light sources emit light with different spectral regions.3. The light source module of claim 1 , wherein each of light sources emits light with a unique spectrum in a different spectral region from others of the light sources.4. The light source module of claim 1 , wherein the light sources are selected such that there is an overlap between each two neighboring spectra to thereby create a single continuous spectrum of light greater than a threshold intensity in a desired wavelength range in the combined light beam.5. The light source module of claim 1 , wherein the light source module is mounted within a butterfly package.6. The light source module of claim 1 , ...

Illumination device having phosphor wheel

An illumination device is provided. The illumination device includes a rotatable phosphor wheel, which is at least regionally provided with phosphor for converting primary light into secondary light, a primary light generator configured to generate at least one useful primary light beam incident on the phosphor wheel, and at least one measuring device configured to measure a measured variable which can be influenced by the phosphor and to determine damage of the phosphor on the basis of measured data of the at least one measuring device.

Lighting System for Growing Plants

A lighting system network includes first and second lighting systems in communication with each other. The first lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna. 1. A lighting system network , comprising: an LED controller;', 'an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller;', 'wherein first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna., 'first and second lighting systems in communication with each other, wherein the first lighting system includes'}2. The network of claim 1 , wherein the first lighting system includes an antenna in communication with the LED controller.3. The network of claim 1 , wherein the first lighting system includes an antenna which provides communication with the second lighting system.4. The network of claim 1 , further including a computer claim 1 , wherein the first lighting system includes an antenna which provides communication with the computer.5. The network of claim 4 , wherein the intensities of the first claim 4 , second and third colors of light are adjustable relative to each other in response to a wireless signal provided by the computer.6. The network of claim 5 , wherein the second LED sub-array includes fourth claim 5 , fifth and sixth light emitting diodes which emit fourth claim 5 , fifth and sixth colors of light claim 5 , respectively.7. The network of claim 6 , wherein the intensities of the first claim 6 , second and third colors of light are adjustable relative to each other in response to the wireless ...

LIGHTING APPARATUS

A lighting apparatus may include a light generating device for generating a primary light beam, a phosphor body that can be irradiated by means of the primary light beam and serves for partly converting primary light of the primary light beam into secondary light, and a spectral filter disposed downstream of the phosphor body. The spectral filter may be more highly transmissive to the secondary light than to the primary light where the spectral filter is arranged along a beam axis of the primary light beam incident on the phosphor body. The lighting apparatus may be used in LARP arrangement for vehicle lighting, general lighting, exterior lighting, stage lighting, effect lighting, etc. 2. The illumination apparatus as claimed in claim 1 , wherein the beam axis extends centrally through the spectral filter.3. The illumination apparatus as claimed in claim 1 , wherein the spectral filter covers the entire primary-light-dominated region of a light emission pattern of the phosphor body.4. The illumination apparatus as claimed in claim 1 , wherein the spectral filter is a dichroic mirror.5. The illumination apparatus as claimed in claim 3 , further comprising a light sensor arranged such that primary light that is incident on the dichroic mirror is able to be reflected into the light sensor.6. The illumination apparatus as claimed in claim 5 , wherein the illumination apparatus has a control device coupled to the light sensor and the light generation device and is set up to evaluate a measurement signal of the light sensor with respect to damage of the phosphor body and to reduce a luminous flux of the primary light beam emitted by the light generation device upon detection of damage.7. The illumination apparatus as claimed in claim 1 , wherein the spectral filter is arranged on a transmitted-light element connected optically downstream from the phosphor body.8. The illumination apparatus as claimed in claim 5 , whereinthe spectral filter is applied on a side of the ...

Controllable lighting system

A lighting system comprising a plurality of controllable light emitting elements is disclosed. The lighting system further comprising a spreading optical element arranged in front of the plurality of light emitting elements to shape the light emitted from the lighting elements, and a controller for varying a light emission angle range of light emitted from the spreading optical element by controlling each of the plurality of controllable light emitting elements. This allows the light emitted from the spreading optical element to be varied without varying any physical parts of the lighting system, because the controller now controls each of the light emitting elements, by e.g. dimming one or more of the light emitting elements or by switching one or more of the light emitting elements off. 1. A lighting system comprising:a plurality of controllable light emitting elements;a spreading optical element positioned in front of the plurality of light emitting elements to shape the light emitted from the lighting elements;the spreading optical element defining an available angular emission range of light emitted from the spreading optical element;a controller operable to control drive signals of each of the plurality of controllable light emitting elements in order to select an angular subrange of the available angular emission range of light emitted from the spreading optical element by selecting the specific light emitting elements.2. The lighting system according to wherein the controller is further configured to vary at least one of illumination gradient and color gradient of the light emitted from the spreading optical element.3. The lighting system according to comprising a plurality of individually collimated light sources claim 1 , each comprising a plurality of said controllable light emitting elements and a beam collimating optics.4. The lighting system according to wherein each collimated light source includes a red claim 3 , a blue claim 3 , and a green light ...

CANDLELIGHT SIMULATION ELECTRONIC CANDLE

The present invention relates to a candlelight simulation electronic candle, which comprises a candle body shell and a candle body base, wherein the candle body shell is connected with the candle body base to form an accommodating space; a wick, a casing through hole and a wall are formed on the upper end of the candle body shell; the wick is disposed between the casing through hole and the wall; the accommodating space is provided with a mounting bracket and a lens holder which are hinged to each other, and is also provided with a swinging mechanism which is configured to drive the lens holder to swing around the mounting bracket; and the mounting bracket and the lens holder are respectively provided with a light-emitting element and a lens. to form a flame. 1. A candlelight simulation electronic candle , comprising a candle body shell and a candle body base , wherein the candle body shell is connected with the candle body base to form an accommodating space; a wick , a casing through hole and a wall are formed on the upper end of the candle body shell; the wick is disposed between the casing through hole and the wall; the accommodating space is provided with a mounting bracket and a lens holder is hinged to each other , and also provided with a swinging mechanism configured to drive the lens holder to swing around the mounting bracket; the mounting bracket and the lens holder are respectively provided with a light-emitting element and a lens; a gap is formed between the light-emitting element and the lens; in the power-on state , light of the light-emitting element is running through the lens and the casing through hole in turn , and light is emitted from the casing through hole projected onto the wall to form a flame; and when the swinging mechanism drives the lens to swing freely along with the lens holder , the flame which is imaged via the lens and projected onto the wall swings freely.2. The candlelight simulation electronic candle according to claim 1 , ...

CONNECTOR FOR AN ELECTRONIC FAUCET

The present disclosure relates to a connector for an electronic faucet including a light source. The connector includes a socket and is configured to distinguish between an electrically conductive plug and an electrically non-conductive plug for controlling activation of the light source. 1. An electronic faucet comprising:a first faucet component supported on a first side of a mounting member, the first faucet component including a water outlet;a light outlet operably coupled to the first faucet component and positioned on the first side of the mounting member;a second faucet component supported on a second side of the mounting member, the second faucet component including a connector having a socket, and a first light source operably coupled to the connector for emitting light into the socket; anda light pipe including an optical plug having an inlet opening in communication with the first light source, and an outlet opening in communication with the light outlet.2. The electronic faucet of claim 1 , wherein the socket includes a plug detecting contact claim 1 , and the first light source is deactivated when the plug detecting contact detects that the plug is electrically conductive.3. The electronic faucet of claim 2 , further comprising a second light source supported on the first side of the mounting member claim 2 , and an electrical cable coupled to the second light source claim 2 , wherein in a first mode of operation the first light source is activated claim 2 , and in a second mode of operation the second light source is activated.4. The electronic faucet of claim 3 , wherein the socket includes a ground contact and a power contact claim 3 , wherein the plug provides electrical communication between the plug detecting contact and the ground contact in the second mode of operation.5. The electronic faucet of claim 1 , wherein the first faucet component comprises a delivery spout.6. The electronic faucet of claim 5 , further comprising a base ring supported ...

LIGHT-EMITTING SOLE AND LIGHT-EMITTING SKATE

A light-emitting skate comprising a vamp, a skating assembly and a sole body, wherein the sole body further comprising a through-hole slot, a battery and a light-emitting lamp; wherein the through-hole slot is covered with a light refracting sheet; and wherein the battery is connected with the light-emitting lamp via a control circuit; wherein that the said light-emitting lamp is a self-sensing LED lamp; wherein the said the light refracting sheet is made of polycarbonate; wherein a switch groove is formed on the edge of a narrow middle portion of the sole body; and wherein a control switch of the power switch is located outside the edge of the narrow middle portion of the sole body; wherein the said battery is mounted in the battery groove via a battery case; wherein the said battery is a rechargeable battery. 1. A light-emitting skate , comprising:a sole body, wherein the sole body further comprising a through-hole slot and a battery groove;a battery mounted in the battery groove; anda light-emitting lamp mounted in the through-hole slot;a skating assembly mounted on the bottom of the sole body;a vamp mounted on top of the sole body;wherein the through-hole slot is located in the middle part of the sole body; wherein the light-emitting lamp emits light in a direction perpendicular to the bottom of the sole body through the through-hole slot wherein the through-hole slot is covered with a light refracting sheet parallel to the bottom surface of the sole body; and wherein the battery is connected with the light-emitting lamp via a control circuit, wherein the control circuit further comprising a power switch.2. The light-emitting skate as described in claim 1 , wherein that the said light-emitting lamp is pressure sensing LED lamp.3. The light-emitting skate as described in claim 2 , wherein the said light refracting sheet is made of polycarbonate claim 2 , and provided with diamond patterns.4. The light-emitting skate as described in claim 3 , wherein a switch ...

Light emitting device, image display device, and electronic apparatus

According to an aspect, a light emitting device includes a base that includes at least a frame body; a light source that emits light; and a temperature sensor with which the base is provided and that detects changes in temperature of the light source. A space is provided between the temperature sensor and a portion of the base corresponding to a portion in which the temperature sensor is provided.

Light and Light Sensor

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected brightness level, a controller operable to regulate an amount of power provided to the LEDs in response to the signal, a light transmitting housing for the LEDs, the sensor and the controller and a connector shaped for connection with a light socket disposed at an end of the housing. 120.-. (canceled)21. A system comprising: receive, from the sensor, a first sensor signal indicating a brightness of an environment of the lighting device during a first time interval during which the LEDs are switched on;', 'receive, from the sensor, a second sensor signal indicating a brightness of the environment of the lighting device during a second time interval during which the LEDs are switched off;', 'determine, based on the first sensor signal and the second signal, that the lighting device should be replaced;', 'responsive to determining that the lighting device should be replaced, causing the lighting device to visually indicate that the lighting device should be replaced., 'a controller configured to be communicatively coupled to a sensor and a lighting device having a plurality of LEDs, wherein the controller is operable to22. The system of claim 21 , wherein the second time interval coincides with a zero-crossing of a line voltage supplied to the lighting device.23. The system of claim 21 , wherein a switching off of the LEDs during the second time interval is imperceptible to a human eye.24. The system of claim 21 , wherein determining that the lighting device should be replaced comprises:determining, based on the first sensor signal and the second sensor signal, an efficiency of the lighting device,determining that the efficiency of the lighting device is less than a threshold ...

Removable LED Module

A method is provided for removing a light-emitting diode (LED) module from a luminaire that has a controller and a housing. The housing encloses an optical system that includes the LED module and other optical devices. The method includes electrically uncoupling an LED circuit board of the LED module from the controller. The method further includes mechanically uncoupling the LED module from the luminaire without removing other optical devices of the optical system from the housing. 1. A method for removing a light-emitting diode (LED) module from a luminaire comprising a housing enclosing an optical system that includes the LED module and other optical devices , the method comprising:electrically uncoupling an LED circuit board of the LED module from the luminaire; andmechanically uncoupling the LED module from the luminaire without removing other optical devices of the optical system from the housing.2. The method of claim 1 , wherein:one of the LED circuit board and the luminaire further comprises registration receptacles configured to receive alignment protrusions of the other one of the LED circuit board and the luminaire, the alignment protrusions and the registration receptacles configured to optically align the LED circuit board with the optical system, andmechanically uncoupling the LED module from the luminaire comprises removing the alignment protrusions from the registration receptacles.3. The method of claim 1 , wherein mechanically uncoupling the LED module from the luminaire comprises removing screws that mechanically couple the LED module to the luminaire.4. The method of claim 1 , further comprising:receiving by electronic circuitry of the LED circuit board a light level reading including data relating to a measurement of light output produced by the array of LEDs; andstoring by the electronic circuitry the light level reading in non-volatile memory of the electronic circuitry.5. The method of claim 4 , further comprising sending by the LED circuit ...

LED-BASED ILLUMINATION MODULE ON-BOARD DIAGNOSTICS

A light emitting diode (LED) based illumination module performs on-board diagnostics. For example, diagnostics may include estimating elapsed lifetime, degradation of phosphor, thermal failure, failure of LEDs, or LED current adjustment based on measured flux or temperature. The elapsed lifetime may be estimated by scaling accumulated elapsed time of operation by an acceleration factor derived from actual operating conditions, such as temperature, current and relative humidity. The degradation of phosphor may be estimated based on a measured response of the phosphor to pulsed light from the LEDs. A thermal failure may be diagnosed using a transient response of the module from a start up condition. The failure of LEDs may be diagnosed based on measured forward voltage. The current for LEDs may adjusted using measured flux values and current values and a desired ratio of flux values. Additionally, the LED current may be scaled based on a measured temperature. 1. A method comprising:measuring a transient response of an LED based illumination module to illuminating the module from a start up condition; andestimating a thermal failure of the module based on the measured transient response before an actual thermal failure occurs.2. The method of claim 1 , wherein the measured transient response is taken from the group consisting of a temperature of the module and an output flux of the module.3. The method of claim 1 , wherein the measuring and the estimating are performed by the LED based illumination module.4. The method of claim 1 , wherein the measuring involves a temperature sensor mounted within a light mixing cavity of the module.5. The method of claim 1 , wherein the measuring involves a flux sensor mounted within view of an output window of the module.6. The method of claim 1 , wherein the estimating involves a processor of the module.7. The method of claim 1 , wherein the measuring involves measuring a temperature of the module a period of time after illuminating ...

System and method for controlled intensity illumination in a bioanalysis or other system

A system and method for metered dosage illumination in a bioanalysis or other system. In accordance with an embodiment, an illumination system or subsystem is described that can provide optimized amounts of excitation light within the short exposure times necessary to measure fast biological activity. The amount of light can be precisely measured to provide quantitative results. The light flux can also be precisely controlled to generate only a prescribed minimum amount of light, in order to reduce adverse lighting effects on both fluors and samples. Although the examples herein illustrate the providing of metered dosage illumination in the context of a bioanalysis system, the techniques can be similarly used to provide metered dosage illumination in the context of other types of system. In accordance with various embodiments, the technique is particularly useful in any quality-control, analysis, or assessment-based environment. Typical research and development applications can include quality control, instrument calibration, and light output standardization; while clinical and diagnostics applications can include clinical monitoring, bioassay calibration and control for diagnostics, treatment and or therapeutic evaluation.

LIGHTING SYSTEM FOR COLOR MIXING

A lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The lighting system includes an antenna in communication with the LED controller. First and second wavelength spectrums are provided by the first and second LED sub-arrays, respectively, and are adjustable in response to adjusting an input signal provided to the antenna. 1. A lighting system , comprising:an LED controller;an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller;an antenna in communication with the LED controller;wherein first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna.2. The system of claim 1 , wherein the first LED sub-array includes first claim 1 , second and third light emitting diodes which emit first claim 1 , second and third colors of light claim 1 , respectively.3. The system of claim 2 , wherein the intensities of the first claim 2 , second and third colors of light are adjustable relative to each other in response to adjusting the input signal.4. The system of claim 2 , wherein the second LED sub-array includes fourth claim 2 , fifth and sixth light emitting diodes which emit fourth claim 2 , fifth and sixth colors of light claim 2 , respectively claim 2 , the fourth claim 2 , fifth claim 2 , and sixth colors of light each respectively have an intensity.5. The system of claim 4 , wherein the intensities of the fourth claim 4 , fifth and sixth colors of light are adjustable relative to each other in response to adjusting the input signal.6. The system of claim 1 , wherein the input signal is adjusted to drive the first and second wavelength spectrums to match the action spectrum of the physiological activity of a plant.7. The system of claim 1 , wherein the input ...

DEVICE AND METHOD FOR MONITORING A SIGNAL EMITTER COMPRISING A LIGHT-EMITTING DIODE IN A LIGHT-SIGNAL SYSTEM

An apparatus for monitoring a signal transmitter for a traffic control signal installation. The signal transmitter has a light-emitting diode. The monitoring apparatus includes: a two-channel measuring device for measuring an actual light intensity of the light which is emitted by the diode and for measuring at least one electrical characteristic variable of the diode, and a control device for operating the signal transmitter depending on the measured actual light intensity and the measured electrical characteristic variable. There is also described a corresponding method, a signal transmitter, a traffic control signal installation and a computer program. 124-. (canceled)25. A device for monitoring a signal emitter having a light-emitting diode for a light-signal system , the device comprising:a measuring unit disposed to measure an actual light intensity of light emitted by the diode and to measure at least one electrical parameter of the diode;a two-channel control unit configured to operate the signal emitter in dependence on a measured actual light intensity and a measured electrical parameter;said control unit including a first processor and a second processor, said first processor being configured to actuate a driver circuit of the diode on a basis of the measured actual light intensity and the measured electrical parameter, and said second processor being configured to monitor said first processor during operation for an error and, on detecting an error, to switch off the diode.26. The device according to claim 25 , wherein each of said first and second processors is provided with a respective voltage regulator for a respective electrical supply voltage for said first and second processors.27. The device according to claim 25 , wherein said second processor is configured to switch off the diode for a function test on said first processor claim 25 , and wherein said second processor is configured claim 25 , in an absence of an error message from the first ...

MODULAR LED SYSTEM FOR A LIGHTING ASSEMBLY

One non-limiting example of an LED system for a lighting assembly includes a heat sink having a plurality of base plates. Each of the base plates has a pair of opposing edges disposed adjacent to a corresponding one of the other base plates. Additionally, each base plate has an outer face extending between the opposing edges; and the LED system further includes a plurality of LEDs attached to the outer face of each base plate. A fan is releasably attached to a bottom portion of the heat sink and configured to produce a flow of air through the heat sink from the bottom portion through a top portion of the heat sink to maintain an operating temperature of the LED system. 1. A modular LED system for a lighting assembly , the LED system comprising:a heat sink comprising a plurality of base plates spaced from one another, each one of the base plates comprising a pair of opposing edges extending vertically between a top edge and a bottom edge, an outer face extending between the opposing edges and wherein each one of the base plates further comprises an inner surface and a plurality of fins extending from the inner surface;each one of the opposing edges of the base plates is disposed adjacent to a corresponding edge of the other base plates defining a plurality gaps for passage of air;a cooling device disposed adjacent to a bottom portion of the heat sink and configured to transfer heat from the heat sink to the air;a plurality of LED boards coupled to the outer face of a corresponding one of the base plates, each one of the LED boards comprising a plurality of LEDs and being spaced apart from each one of the opposing edges by a predetermined distance to allow for adequate dissipation of heat to the heat sink to maintain an operating temperature of the LED boards below 100° C.2. The LED system of wherein the predetermined distance is further defined as less than one inch from the opposing edges.3. The LED system of wherein the predetermined distance is further defined as ...

DEVICE FOR LIGHTING THE TAKE-OFF AND LANDING RUNWAYS AND THE TAXIWAY AT AIRPORTS

A light suitable for lighting take-off and landing runways and taxiways of airports that includes a housing cover provided with a light passage opening, an optical system including at least one light-emitting diode module with at least one LED-chain having a plurality of light-emitting diodes as light sources, a reflector, and a prism having a shape complementary to that of the light passage opening, an insert and a sealing ring, which is arranged between the housing cover and the insert. On an underside of the housing cover of the light, the at least one LED module and reflector are arranged in a first chamber, which is separated from a second chamber of the light by a seal including a flexible insulating and heat-conducting film arranged between the reflector and the underside of the housing cover. 1. A device suitable for lighting take-off and landing runways and taxiways of airports , said device being a light comprising:a housing cover provided with a light passage opening;at least one light-emitting diode module comprising at least one LED-chain having a plurality of light-emitting diodes as light sources, a reflector, and a prism having a shape complementary to that of the light passage opening, the light-emitting diode module comprising an optical system;an insert; anda sealing ring, which is arranged between the housing cover and the insert;wherein on an underside of the housing cover of the light, the at least one LED module and reflector are arranged in a first chamber, which is separated from a second chamber of the light by a seal comprised of a flexible insulating and heat-conducting film arranged between the reflector and the underside of the housing cover.2. The device according to claim 1 , wherein dowel pins with graduation are provided for positioning the optical system on the underside of the housing cover claim 1 , said dowel pins extending into position bores of the housing cover claim 1 , wherein the at least one light-emitting diode module is ...

CONTROLLED COLOR LIGHT SOURCE

A light source is provided that includes at least two semiconductor light-emitting elements that emit light of different color, a light guide, an electronic control unit, and a light sensor. The light emitted by the elements is injected, at least partially, into the light guide and exits laterally from the light guide. The brightness of the elements can be adjusted by the electronic control unit. The light sensor is arranged to receive the light injected by the elements and laterally exiting from the light guide. The electronic control unit accumulates sensor signals from the light sensor over an integration time interval and compares the accumulated signals with a target value or range to determine a difference, changes a brightness of the elements in response to the difference, and changes the integration time interval in response to the difference or to a change in the target value. 1. A light source , comprising:at least two semiconductor light-emitting elements, the semiconductor light-emitting elements emitting light of different color;a light guide into which the light is, at least partially, injected, the light guide being configured so that the light exits laterally from the light guide, the light guide having a longitudinal extension and an end face;a light sensor arranged to receive the light injected by the semiconductor light-emitting elements into the light guide and laterally exiting therefrom, wherein the light sensor is spaced along the longitudinal extension by a distance of between the light sensor and the end face; andan electronic control unit configured to accumulate sensor signals from the light sensor over an integration time interval of the brightness, determine a difference by comparing the accumulated signals with a target value or target range, change the brightness of the semiconductor light-emitting elements in response to the difference, and change the integration time interval in response to either the difference or a change in the ...

Removable LED Module

An LED module is provided that includes an LED circuit board having a substrate and an array of LEDs and an electrical connector mounted on the substrate. The LED module can be removed from an optical system of a luminaire by electrically uncoupling the LED circuit board from the luminaire and mechanically uncoupling the LED module from the luminaire without removing other elements of the optical system from the luminaire. A luminaire is provided that includes a controller and an optical system having an LED module. The LED module has an LED circuit board electrically coupled to the controller. The LED circuit board has a substrate and an array of LEDs mounted thereon. The LED module can be removed from the luminaire without removing other elements of the optical system by electrically uncoupling the LED circuit board from the controller and mechanically uncoupling the LED module from the luminaire. 1. A light-emitting diode (LED) module , comprising: a substrate;', 'an array of LEDs mounted on the substrate; and', 'an electrical connector mounted on the substrate configured to power the array of LEDs,, 'an LED circuit board, comprisingthe LED module being configured to be removed from an optical system of a luminaire by electrically uncoupling the LED circuit board from the luminaire and mechanically uncoupling the LED module from the luminaire without removing other elements of the optical system from the luminaire.2. The LED module of claim 1 , wherein the array of LEDs comprises primary optics.3. The LED module of claim 1 , further comprising a heat sink mechanically and thermally coupled to the LED circuit board.4. The LED module of claim 3 , wherein the heat sink comprises heat pipes.5. The LED module of claim 1 , wherein one of the LED circuit board and the luminaire further comprises registration receptacles configured to receive alignment protrusions of the other one of the LED circuit board and the luminaire claim 1 , the alignment protrusions and the ...

Smoke Detector, Emergency Light and Alternate Light Source System

A self-contained smoke alarm detector, emergency light and alternate light source mechanism in one unit.

REAR LIFTGATE WINDOW ASSEMBLY WITH INTEGRATED LIGHTING

A rear liftgate window assembly for a vehicle includes a glass window panel configured to be pivotally mounted at a rear portion of a vehicle so as to be pivotable between a closed position and an opened position. A lighting device is disposed at an inner surface of the glass window panel and includes (i) at least one light source adhesively attached at the inner surface of the glass window panel, (ii) electrical connectors disposed at the inner surface of the glass window panel, and (iii) electrically conductive traces established at the inner surface of the glass window panel between the light sources and the electrical connectors. The electrical connectors are configured to electrically connect to a power source of the vehicle when the rear liftgate window assembly is mounted at the vehicle. 1. A rear liftgate window assembly for a vehicle , said rear liftgate window assembly comprising:a glass window panel configured to be pivotally mounted at a rear portion of a vehicle so as to be pivotable between a closed position, where said glass window panel is disposed at a rear opening of the vehicle, and an opened position, where said glass window panel is raised to a generally horizontal orientation;a lighting device disposed at an inner surface of said glass window panel, said lighting device comprising (i) at least one light source adhesively attached at said inner surface of said glass window panel, (ii) electrical connectors disposed at said inner surface of said glass window panel, and (iii) electrically conductive traces established at said inner surface of said glass window panel between said light sources and said electrical connectors;wherein said electrical connectors are configured to electrically connect to a power source of the vehicle when said rear liftgate window assembly is mounted at the vehicle; andwherein, when said glass window panel is in its opened position, said at least one light source is operable to emit light to illuminate an area generally ...

MECHANICAL BYPASS LIGHT UNIT

A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket. 1. A light unit for use in a light string , comprising:a bulb having a light source with lead wires and a separator;a switch member including a support member and a pair of spring terminals; anda socket having two or more conductive terminals and adapted to receive the bulb and the switch member,wherein the switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket, and wherein the lead wires form an electrical connection across the conductive terminals, and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket.2. A light unit for use in a light string , comprising:a bulb having a light source with a first lead wire and a second lead wire, and a separator;a switch member including a support member and a conductive contact having a first and a second free end; anda socket having a first and a second conductive terminal, and adapted to receive the bulb and the switch member, andwherein the switch member is adapted to cause the first free end to contact the first conductive terminal and the second free end to contact the second conductive ...

ILLUMINATION UNIT AND DISPLAY

An illumination unit includes: a light source section including a laser light source; an optical-path branching device outputting light incident from the light source section, by branching the light into an outgoing optical path of illumination light and other optical path; a photodetector receiving a light flux that travels on the other optical path; a control section controlling an emitted light quantity in the laser light source, based on a quantity of the light flux received by the photodetector; and a light-quantity-distribution control device disposed between the optical-path branching device and the photodetector on the other optical path, the light-quantity-distribution control device controlling a light quantity distribution in the light flux to be incident upon the photodetector. 1. A display device , comprising:an illumination section;a photodetector;a display optical section; andwherein the display optical section receives a light from the illumination section via a first optical path and the photodetector receives the light from the illumination section via a second optical path.2. The display device according to claim 1 , whereinthe illumination section configured to include:a plurality of laser light sources; anda dichroic prism configured to output light incident from the plurality of laser light sources.3. The display device according to claim 2 , further comprising:a control section configured to control a quantity of the light emitted from the plurality of laser light sources based on a quantity of the light flux received by the photodetector.4. The display device according to claim 1 , further comprising:a coupling lens configured to control a distribution of the quantity of the light flux received by the photodetector.5. The display device according to claim 1 , further comprising:a reflection transmission film configured to control polarized components to increase polarization of a first polarized component in the light flux which travels on ...

LIGHT EMITTING MODULE

A light emitting module includes a laser element and a conversion member to convert a laser beam in a light having a different wavelength from a wavelength of the laser beam. A first FET includes a first gate. A second FET includes a second gate. A first transistor is serially connected to the second FET at a first connection node that is connected to the first gate. A sensing wire is provided on the conversion member. A second resistor is serially connected to the sensing wire at a second connection node that is connected to the second gate. 1. A light emitting module comprising:a laser element to emit a laser beam;a conversion member to convert the laser beam into a light having a different wavelength from a wavelength of the laser beam;a first FET including a first gate;a second FET including a second gate;a first resistor serially connected to the second FET at a first connection node that is connected to the first gate;a sensing wire provided on the conversion member; anda second resistor serially connected to the sensing wire at a second connection node that is connected to the second gate.2. The light emitting module according to claim 1 , wherein the first FET is configured to turn off the laser element when the sensing wire is broken.3. The light emitting module according to claim 1 , wherein the first FET and the second FET are n-channel type MOSFETs.4. The light emitting module according to claim 1 , wherein a resistance value of the first resistor is one-ten-thousandth to one-hundredth of the resistance value of the second resistor.51111. The light emitting module according to claim 1 , wherein claim 1 , when an internal capacitance of the first FET is C and a resistance value of the first resistor is R claim 1 , the (C×R) value is 1×10seconds at most.62222. The light emitting module according to claim 1 , wherein claim 1 , when an internal capacitance of the second FET is C and a resistance value of the second resistor is R claim 1 , the (C×R) value is ...

LIGHT FIXTURE WITH POWER LOSS DETECTION AND EMERGENCY EGRESS MODE

A light fixture includes a driver for driving a light engine based on control signals received from a controller coupled to the driver. The driver is further connected to an AC power source and is configured for detecting a power loss from the AC power source and generating a power loss signal. Upon detecting the power loss, the driver sends the power loss signal to the controller. Based on the power loss signal, the controller sends an emergency egress mode control signal to the driver which drives the light engine in the emergency egress mode, i.e. at its full intensity for an emergency time period. Upon expiration of the emergency time period or upon the recovery of the AC power, the controller exits the emergency egress mode by sending a normal control signal to the driver. 1. A light fixture , comprising: providing a DC power to the controller;', 'receiving control signals from the controller and driving the light engine according to the control signals;', 'detecting a power loss from the AC power source and generating a power loss signal; and, 'a driver connected to an AC power source and coupled to a light engine and a controller, the driver configured for receiving the power loss signal from the driver;', 'generating and sending an emergency egress mode control signal to the driver so that the driver can drive the light engine in an emergency egress mode;', 'determining whether to exit the emergency egress mode; and', 'when the determination is to exit the emergency egress mode, sending a normal control signal to the driver so that the driver drives the light engine in a normal state., 'the controller coupled to the driver, the controller configured for2. The light fixture of claim 1 , wherein the driver is further configured for:determining that the power loss is momentary; andin response to determining that the power loss is not momentary, generating and sending the power loss signal to the controller.3. The light fixture of claim 1 , wherein determining ...

Light and Light Sensor

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected brightness level, a controller operable to regulate an amount of power provided to the LEDs in response to the signal, a light transmitting housing for the LEDs, the sensor and the controller and a connector shaped for connection with a light socket disposed at an end of the housing. 120.-. (canceled)21. A system comprising: receive, from the sensor, a first sensor signal indicating a brightness level of light during operation of the LED-based lighting device at a first time period;', 'determine, based on the first sensor signal, that the LED-based light device should be replaced;', 'responsive to determining that the LED-based light device should be replaced, transmitting a first command signal to the to the LED-based light device, wherein the first command signal comprises a command to illuminate a first LED of the plurality of LEDs according to a first color and a illuminate a second LED of the plurality of LEDs adjacent to the first LED according to a second color, wherein the first color is different from the second color., 'a controller configured to be communicatively coupled to a sensor and a light emitting diode (LED)-based lighting device having a plurality of LEDs, wherein the controller is operable to22. The system of claim 21 , wherein the controller is disposed within the LED-based lighting device.23. The system of claim 21 , wherein the controller is remote from the LED-based lighting device.24. The system of claim 23 , wherein the controller further comprises:a receiver operable to receive the first sensor signal from the sensor; anda transmitter operable to transmit the first command signal to the LED-based light device.25. The system of claim 21 , wherein ...

COLOR CONTROL IN SUBTRACTIVE COLOR MIXING SYSTEM

Disclosed herein are methods for controlling a light fixture with a subtractive color mixing system for emitting light having a target color. The methods may comprise receiving target information indicative of, such as defining, the target color. The methods may further comprise calculating a target control setpoint for each of a the plurality of subtractive color filters based on: the target information; and calibration data, which for a plurality of sets of calibration control setpoints is indicative of an emitted color. The methods may further comprise controlling each of the subtractive color filters according to each calculated target control setpoint for each of the subtractive color filters.)

HEADLIGHT, VEHICLE WITH HEADLIGHT AND METHOD FOR MONITORING A HEADLIGHT

A headlight featuring a laser light source and a converter for converting a short-wave laser beam generated by the laser light source into white light. The headlight also includes a light-forming element for creating a beam path using the white light of the laser light source, as well as an IR sensor for measuring the IR radiation generated by the converter. 1. A headlight comprising:a laser light source;a converter for converting a short-wave laser beam generated by the laser light source into white light;a light-forming element for creating a beam path using the white light of the laser light source; andan IR sensor for measuring the IR radiation generated by the converter.2. The headlight in accordance with claim 1 , wherein the light-forming element is a reflector.3. The headlight in accordance with claim 1 , wherein the IR sensor is positioned outside of the beam path generated by the light-forming element.4. The headlight in accordance with claim 1 , wherein a lens is positioned in the beam path generated by the light-forming element claim 1 , where the lens has a material or a coating that makes it possible to reflect the IR radiation to the IR sensor.5. The headlight in accordance with claim 1 , wherein the light-forming element features a refractive element claim 1 , whereby the refractive element features a material or a coating that makes it possible to reflect and/or refract the IR radiation to the IR sensor.6. The headlight in accordance with claim 5 , wherein the refractive element is designed to be light-guiding and/or light-forming.7. The headlight in accordance with claim 1 , wherein a deflector is provided that makes it possible to reflect the IR radiation to the IR sensor.8. The headlight in accordance with claim 1 , wherein the IR sensor is set up to switch off the laser light source as soon as an IR radiation measurement falls below a certain IR emission limit value.9. (canceled)10. (canceled) This application claims priority to PCT Patent ...

ENDOSCOPY SYSTEM

The present disclosure relates to an endoscopy system. The endoscope system includes: a first light source unit which is installed on a substrate; a second light source unit which is installed on the substrate and which emits light when the first light source unit does not emit light; an optical unit through which the light of the first light source unit or the second light source unit passes; a light guide unit which induces the light which passed through the optical unit to the inside of a target object; an image sensing unit which senses the light reflected and reached from the target object and which converts the sensed light into an image signal; and an image signal processing unit which processes the image signal to display on a display unit. 1. An endoscope system comprising:a first light source unit which is installed on a substrate;a second light source unit which is installed on the substrate and which emits light when the first light source unit does not emit light;an optical unit through which the light of the first light source unit or the second light source unit passes;a light guide unit which induces the light which passed through the optical unit to the inside of a target object;an image sensing unit which senses the light reflected and reached from the target object and which converts the sensed light into an image signal; andan image signal processing unit which processes the image signal to display on a display unit.2. The endoscope system of claim 1 , wherein the light of the second light source unit passes through the optical unit when the light of the first light source unit does not emit light.3. The endoscope system of claim 1 , wherein the first light source unit is arranged along a central axis of the optical unit claim 1 , and the second light source unit is arranged to deviate the central axis.4. The endoscope system of claim 1 , further comprising a controller which senses whether power is supplied to the first light source unit claim 1 ...

Color Mixing Optics for LED Illumination Device

Illumination devices with improved color mixing optics are disclosed herein for mixing the colors produced by a multi-colored LED emitter module to produce uniform color throughout the entire beam angle of the output light beam, along with smoother edges and improved center beam intensity. Embodiments disclosed herein include a unique arrangement of multi-color LEDs within an emitter module, a unique exit lens with different patterns of lenslets on opposing sides of the lens, and other associated optical features that thoroughly mix the different color components, and as such, provide uniform color across the output beam exiting the illumination device. Additional embodiments disclosed herein include a unique arrangement of photodetectors within the primary optics structure of the LED emitter module that ensure the optical feedback system properly measures the light produced by all similarly colored emission LEDs.

Candle-powered lighting apparatus

The present invention relates to a candle-powered lighting apparatus including: a housing which accommodates a candle; a heat absorbing plate which absorbs heat generated by the candle; a heat radiating plate which radiates the absorbed heat; a thermoelectric element which is positioned between the heat absorbing plate and the heat radiating plate, and generates thermoelectromotive force using a temperature difference between a contact surface with the heat absorbing plate and a contact surface with the heat radiating plate; a lighting unit which emits light using the generated thermoelectromotive force; and a control unit which controls an operational state of the lighting unit to an on or off state.

Led lamp failure alerting system

A lighting system includes at least one LED and at least one regulator in communication with the at least one LED. The at least one regulator is configured to supply a substantially constant current to the at least one LED while allowing a light output from the at least one LED to degrade over time towards a target minimum light output, and once the light output of the at least one LED is below the target minimum light output, increase current to the at least one LED to maintain the light output at the target minimum light output.

Light diagnostics and monitoring using wearables

Wearable devices for monitoring light sources, and light fixtures are presented. For instance, a device includes a light detection sensor, a user interface device, and a controller operably coupled to the light detection sensor and the user interface device. The controller configured to: monitor a plurality of light sources for an availability status indication; determine, from the status data availability indication, that status data of the equipment is available from the light source; receive a modulated light signal from the light source; decode the modulated light signal into decoded status data; determine a status of the equipment based on the decoded status data; process the decoded status data to determine a diagnosis of the equipment; and indicate via the user interface device the diagnosis of the equipment and a diagnostic action related thereto. The light fixture includes a light source and a controller operably coupled to the light source, The controller is configured to receive status data from equipment, encode the status data in a modulated light signal, and output the modulated light signal using the light source.

EMERGENCY SAFETY MARKER SYSTEMS

An electronic lighted safety marker system used by emergency responders to warn motorists of the presence of an accident scene ahead on or beside the roadway is provided by the invention. Such safety marker can be deployed individually or in groups by the emergency responder along the perimeter of the accident scene and ideally ahead of it along the roadway to provide adequate warning to approaching motorists to avoid the accident scene. The safety marker contains a power source, a light panel, a protective shield for the light panel, and electronic circuitry for controlling the operation of the lights in a predetermined frequency or pattern, and may be automatically actuated and self-righting when it is dropped onto the ground or other hard surface. The safety marker further includes a transmitter for sending a signal to a receiver. Upon impact with the safety marker, the signal ceases and the receiver, equipped with an alarm, triggers either or both of an audible or visual signal. The safety marker can also contain an incursion warning system against incoming vehicles, an early warning radar transponder for sending a warning message to such incoming vehicles, a GPS location detector and transmitter for providing the location of the safety marker and its associated accident scene to a central dispatcher, and a gunshot sensor for detecting the occurrence of gunfire around the accident scene and its location to provide that information to the central dispatcher. 1. An electronic safety marker deployed by an emergency responder on or along a roadway for providing a warning to oncoming vehicles approaching an accident scene having a boundary defined by the positioned safety marker , the safety marker comprising:(a) a source of electrical current;(b) electrical circuitry connected to the source of electrical current;(c) a self-righting base comprising a housing defining an interior chamber and attachment means along its top surface;(d) a light wand attached at its ...

LED TUBE FOR RETROFITTING IN A FLUORESCENT TUBE LIGHTING FIXTURE

The present invention relates to a LED tube () for retrofitting in a fluorescent tube lighting fixture having a preheat phase during which the fluorescent tube lighting fixture is arranged to preheat filaments of a fluorescent tube, the LED tube () comprising: an array of LEDs (), a LED driver () for driving the array of LEDs (), a first pair of contact pins () at a first end () of the LED tube () and a second pair of contact pins () at a second end () of the LED tube () for connecting the LED tube () electronically and mechanically to the fluorescent tube lighting fixture, the first pair of contact pins () being connected forming a first circuitry, the second pair of contact pins () being connected forming a second circuitry, the LED driver () being connected between the first circuitry and the second circuitry, and a temperature controlled switch () having an open state and a closed state, and being arranged to adapt the closed state when heated, such that a current path between the first circuitry and the second circuitry is obtained, wherein a preheat current passing between the first pair of contact pins () during the preheat phase of the fluorescent tube lighting fixture is arranged to heat the temperature controlled switch. 1. A LED tube for retrofitting in a fluorescent tube lighting fixture having a preheat phase during which the fluorescent tube lighting fixture is arranged to preheat filaments of a fluorescent tube , the LED tube comprising:an array of LEDs,a LED driver for driving the array of LEDs,a first pair of contact pins at a first end of the LED tube and a second pair of contact pins at a second end of the LED tube for connecting the LED tube electronically and mechanically to the fluorescent tube lighting fixture, the first pair of contact pins being connected forming a first circuitry, the second pair of contact pins being connected forming a second circuitry, the LED driver being connected between the first circuitry and the second circuitry, ...

SHELL INTEGRATOR

A shell integrator has a hollow transparent body with inner and outer surfaces formed as arrays of lenslets. Each lenslet of the inner surface images a common source region in the middle of the hollow body onto a respective lenslet of the outer surface. Each lenslet of the outer surface forms a virtual image of the respective lenslet of the inner surface at the common source region. One integrator has a light-guide following the surface of the hollow body from an inlet end at a central region of the surface to an outlet end at a rim of the hollow body. The light-guide inlet end is shaped to receive light from the common source region and direct such light along the light-guide. Another integrator is generally elongated, and may be semicylindrical. Any of these integrators may have a stepped surface forming a Fresnel lens. 1. A shell integrator comprising a hollow transparent body with inner and outer surfaces formed as arrays of lenslets , wherein:each lenslet of the inner surface images a common source region in a middle of an interior of the hollow body onto a respective lenslet of the outer surface; andeach lenslet of the outer surface forms a virtual image of the respective lenslet of the inner surface with an apparent position at the common source region; anda light-guide follows one of said surfaces of the hollow body from an inlet end at a central region of the surface to an outlet end at a rim of the hollow body, the light-guide inlet end being shaped to receive light from the common source region and direct such light along the light-guide.2. The shell integrator of claim 1 , wherein the hollow transparent body is a dome.3. The shell integrator of claim 1 , wherein the hollow transparent body is elongated.4. The shell integrator of claim 3 , wherein the hollow transparent body is generally semicylindrical.5. The shell integrator of claim 3 , wherein the hollow transparent body comprises a plurality of truncated domes joined at common planes of truncation.6. ...

LIGHTING MODULE COMPRISING A LASER ELEMENT

A lighting module includes a semiconductor laser element configured for emitting a laser beam in an emission cone, a light-emitting element, and a reflecting surface, a main portion of which reflects light coming from the light-emitting element in order to form an outgoing light beam. A secondary guiding face reflects the light coming from the first emission cone into a measurement cone. Also included is a device for detecting incident light exceeding a predetermined threshold of light intensity which is arranged within the measurement cone. The optical structure of the guiding face causes a spreading of the light so that the measurement cone exhibits an aperture angle greater than that of the first emission cone. 1: Lighting module , notably for an automobile vehicle , designed to emit an outgoing light beam and comprising:at least one semiconductor laser element configured for emitting a laser beam in a first light cone, referred to as emission cone;a light-emitting element configured for converting the wavelength of at least a part of said laser beam;a reflecting surface, a main portion of which reflects light coming from the light-emitting element in order to form said outgoing light beam oriented in a first direction of emission,a secondary guiding face which reflects the light coming from the first emission cone into a second light cone, referred to as measurement cone, oriented in a second measurement direction;at least one device for detecting incident light exceeding a predetermined threshold of light intensity which is arranged within the measurement cone;wherein the optical structure of the guiding face causes a spreading of the light so that the measurement cone exhibits an aperture angle greater than that of the first emission cone.2: Lighting module according to claim 1 , wherein the geometrical profile of the envelope of the guiding face causes a spreading of the light in the measurement cone.3: Lighting module according to claim 2 , wherein the ...

A lighting system

A lighting system comprising, a light source, a controller arranged to drive the light source, a memory in communication with the controller, the memory being arranged to store at least one parameter giving at least one of a history of at least one variable characteristic of the light source; and/or at least one fixed characteristic of the light source, wherein the controller is arranged to drive the light source according to one of the stored history of the variable characteristic, the value of the fixed characteristic or both.

Light emitting module

A light emitting module includes a laser element and a first transistor including a first electrode connected to the laser element, a second electrode connected to a power supply, and a control electrode. A second transistor includes a first electrode connected to a second reference potential via a first resistor, a second electrode connected to a first reference potential, and a control electrode. The control electrode of the first transistor is connected to the first electrode of the second transistor and the first resistor. A conversion member is to convert a laser beam emitted by the laser element and includes a sensing wire via which the control electrode of the second transistor is connected to a third reference potential. The control electrode of the second transistor is connected to a fourth reference potential via a second resistor.

PROTECTING A UV-TRANSMISSIVE WINDOW

Systems and methods are disclosed for protecting a UV-transmissive window. The system includes a first light source for emitting UV energy. The system also includes a UV transmissive window having a planar dimension and a thickness direction perpendicular to the planar dimension, the window positioned so that UV energy from the UV light source passes through the thickness dimension of the window. The system further includes a second light source for introducing a beam of light transverse to the thickness dimension of the window, a detector for detecting light received from the second light source after the light passes through the thickness dimension, and a control system responsive to changes in the detected light received from the second light source and configured to transmit an alert when a change in the detected light exceeds a threshold. 2. The system of claim 1 , wherein the planar dimension includes a lengthwise dimension and a width dimension claim 1 , and wherein the beam of light is introduced along the lengthwise direction.3. The system of claim 1 , wherein the second light source comprises a plurality of light sources for providing a respective plurality of beams of light claim 1 , and the detector includes a plurality of detectors respectively associated with the plurality of light sources for receiving the respective plurality of beams of light.4. The system of claim 1 , wherein the beam of light comprises multiple beams.5. The system of claim 1 , further comprising a second detector for detecting the beam of light before the beam of light is introduced to the thickness dimension of the window claim 1 , the second detector for providing a signal to the control system claim 1 , the control system responsive to the first and second detectors for providing an alert.6. The system of claim 1 , wherein to transmit an alert based on the detected changes claim 1 , the control system is further configured to:determine a first difference between a first ...

MECHANICAL BYPASS LIGHT UNIT

A light unit includes a bulb having a light source with lead wires and a separator, a switch member that includes a support member and a pair of spring terminals, and a socket having two or more conductive terminals and adapted to receive the bulb and the switch member. The switch member is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals and the light source when the bulb is completely or partially removed from the socket. The lead wires form an electrical connection across the conductive terminals and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket. 14.-. (canceled)5. A light unit for use in a light string , comprising:a bulb having a light source with lead wires and a separator;a switch member unit;a pair of spring terminals; anda socket having first and second opposing inner sidewalls and at least two conductive terminals on portions of said inner sidewalls and wherein said socket is adapted to receive the bulb and the switch member unit,wherein the switch member unit is adapted to cause the pair of spring terminals to contact one another to form an electrical short circuit across the pair of conductive terminals on the inner side wall of the socket and the light source when the bulb is completely or partially removed from the socket, and the separator breaks contact between the pair of spring terminals when the bulb is seated in the socket and wherein the bulb and socket have a longitudinal center axis defining generally a center line between right and left portions of each, the conductive body extending from said conductive terminal to a point spaced from said inner side wall and said center line, the conductive body extending from the other conductive terminal and extending across said center line to engage a portion of said first body.6. The light unit of wherein said switch member unit includes a first and ...

LENS MODULE AND PORTABLE PHOTOGRAPHY DEVICE

Provided is portable photography device capable of appropriately control an on/off state of a light source during photography, and reliably carrying out photography by a camera of a portable terminal when the light source is on. The portable photography device includes a smartphone with a camera, and a lens module including LEDs, having different wavelengths, a conversion lens, and light source control unit. The smartphone includes light on/off detection unit that detects the on/off state of each of the LEDs, photography control unit that controls photography by the camera, and display control unit that associates a photographed image taken by the camera with the LEDs, for display on the screen of the smartphone. As a result, it is possible to appropriately control the on/off state of the LEDs, during carrying out photography and reliably photographing skin with the camera of the smartphone. 18-. (canceled)9. A portable photography device , comprising:a portable terminal with a camera; anda lens module that is removably installed on the portable terminal,the lens module including multiple types of light sources having different wavelengths of light to irradiate an object,a conversion lens that collects reflected light emitted from the light sources and reflected on the object, andlight source control means that carries out on/off control of the multiple types of light sources, andthe portable terminal includinglight on/off detection means that detects on/off states of the light sources, and photography control means that controls photography by the camera when the light on/off detection means detects the on/off states of the light sources.10. A portable photography device according to claim 9 , further comprising:display control means that associates a photographed image taken by the camera according to the control of the photography control means with the types of the light sources and displays the photographed image on the screen of the portable terminal.11. The ...

LIGHT MODULE COMPRISING A LASER ELEMENT

The invention relates to a light module including a semiconductor laser element emitting a laser beam in a first cone of light, a photoluminescent element, and an optical means for transforming the light coming from the photoluminescent element into an exit light beam. The optical means has a guiding portion arranged to guide at least a portion of the light emitted in the first cone of light into a second cone of light and a device for detection of incident light. The light module comprises a means of deviation designed to deviate the light of the second cone of light toward a third cone of light directed toward the detection device arranged outside of the second cone of light. 1: A light module for a motor vehicle , the light module being designed to emit an exit light beam and comprising:at least one semiconductor laser element designed to emit a laser beam in a first cone of light;a photoluminescent element designed to convert at least a portion of said laser beam;an optical means for transforming the light coming from the photoluminescent element into said exit light beam oriented in a direction of emission, the optical means comprising a guiding portion arranged to guide at least a portion of the light emitted in said first cone of light into a second cone of light;at least one device for detection of incident light greater than a predetermined threshold of luminous intensity;wherein the detection device is arranged outside of the second cone of light and the light module comprises a means of deviation arranged across the second cone of light in order to deviate the incident light into a third cone of light directed toward the detection device.2: The light module according to claim 1 , wherein the means of deviation comprises at least one optical element through which the light passes and which comprises an entrance face for the light of the second cone of light and an exit face for the light in the third cone of light.3: The light module according to claim 2 , ...

SYSTEM FOR PERFORMING SELF-TEST AND PREDICTING EMERGENCY LIGHTING FIXTURES LIFE EXPECTANCY

A system for managing emergency lighting is generally described. In particular, the present disclosure relates to self-tests and predictive life expectancy operations of emergency lighting systems. Further, the present disclosure relates to an automated system and method for performing self-tests and predicting emergency lighting fixture life expectancy. In the exemplary embodiments, emergency lighting system tests may be automatically scheduled, carried out, and evaluated. 1. A system for performing an emergency lighting fixture test and predicting life expectancy of an emergency lighting fixture , comprising:a gateway configured to control illumination of a luminaire including an emergency power source, wherein the gateway is configured for being in electrical communication with a permanent live power supply, and the gateway is further configured for being in data communication with a server;a dimming control driver in electrical communication with the gateway, wherein the dimming control driver is configured to adjust a dimming level of the luminaire; and, the sensor subsystem is in data communication with the server, either directly or via the gateway,', 'the gateway includes a first connection and a second connection, wherein the gateway is configured to control a power supply to the luminaire through the first connection, and the gateway is operative to switch the luminaire on and off by respectively switching on and off the power supply to the luminaire through the first connection,', 'the gateway is configured to control at least one of the dimming level of the luminaire and a dimming control protocol of luminaire through the second connection, and', 'the emergency power source is operative to provide power to the luminaire when the gateway switches off the power supply to the luminaire., 'a sensor subsystem configured to measure at least a color intensity of light that is emitted by the luminaire, wherein'}2. The system of claim 1 , wherein the dimming ...

Light emitting diode sensor device

A light emitting diode (LED) sensor including a first LED device disposed on a support and configured to emit a radiation, and a second LED device disposed on the support and configured to receive the emitted radiation. A structure is formed on the support, the first LED device, and the second LED device. The structure defines a contoured surface. A material is located adjacently to the contoured surface, wherein the material includes a property adapted to reflect the emitted radiation from the first LED to the second LED. The structure includes an ellipsoid and the contoured surface defines an ellipsoidal surface. First and second foci are defined by the ellipsoid, wherein emitted radiation from the first LED device converges at the first foci and the second foci and is reflected to the second LED device. The device is configured to determine a temperature or a chemical property of an analyte.

LASER BASED LIGHTING SYSTEM AND METHOD

A laser lighting system has a first laser light source, a second laser light source and a light conversion element. The outputs from the first and second laser light sources are directed to the light conversion element, which generates wavelength-converted light output in response to excitation by laser light. The first and second laser light sources generate laser light of different wavelength having different absorption characteristics within the light conversion element, such that the range of depths within the light conversion element from which wavelength-converted light is generated is different. This difference in converted output can be used to create different optical effects so that beam steering or beam shaping can be performed. 1. A laser lighting system , comprising:a first laser light source;a second laser light source;a light conversion element; andan optical element for directing the outputs from first and second laser light sources to the light conversion element, which generates a wavelength-converted light output in response to excitation by laser light,wherein the first and second laser light sources generate laser light of different wavelength having different absorption characteristics within the light conversion element, such that the range of depths within the light conversion element from which wavelength-converted light is generated is different for excitation by the first laser light source output and the second laser light source output,the system further comprising an optical output element which shapes an output light from the light conversion element as a function of the depth from which the wavelength-converted light is generated.2. A system as claimed in claim 1 , wherein the optical element directs the outputs from the first and second laser light sources to the same location of the light conversion element.3. A system as claimed in claim 1 , wherein the optical output element comprises a diffractive claim 1 , refractive claim 1 , ...

LIGHTING SYSTEM FOR REPTILE AND REPTILE HABITAT INCLUDING THE SAME

A lighting system includes an ultraviolet (UV) light source including a UVA light source configured to emit UVA light having various wavelengths; and a UVB light source configured to emit UVB light and control a lighting direction of the UVB light towards a target, a sensor including a UVA sensor configured to sense the UVA light, and a control unit configured to control lighting characteristics of the UV light source, in which the lighting characteristics include an intensity of the UVA light. 1. A lighting system , comprising: a UVA light source configured to emit UVA light having various wavelengths; and', 'a UVB light source configured to emit UVB light and control a lighting direction of the UVB light towards a target;, 'an ultraviolet (UV) light source, comprisinga sensor comprising a UVA sensor configured to sense the UVA light; anda control unit configured to control lighting characteristics of the UV light source,wherein the lighting characteristics comprise an intensity of the UVA light.2. The lighting system of claim 1 , wherein the UVA sensor comprises UVA sensor elements configured to sense wavelengths of the UVA light having various wavelengths.3. The lighting system of claim 1 , wherein the lighting characteristics further comprise at least one of a wavelength of emitted light claim 1 , lighting intensity depending on the wavelength claim 1 , lighting spectrum of light claim 1 , and irradiation time.4. The lighting system of claim 1 , further comprising:an input unit configured to input a command to the control unit.5. The lighting system of claim 1 , further comprising:at least one of a visible light source and an infrared (IR) light source configured to be controlled by the control unit.6. The lighting system of claim 1 , wherein the control unit is configured to inform a user of a defect in the UVA light source based on the UVA light sensed by the UVA sensor.7. The lighting system of claim 1 , wherein the control unit is configured to control the ...

LED LUMINAIRE HAVING ENHANCED THERMAL MANAGEMENT

In one aspect, luminaires are described herein having sensor modules integrated therein. In one aspect, a luminaire described herein comprises a light emitting face including a LED assembly. A sensor module is integrated into the luminaire at a position at least partially overlapping the light emitting face. In another aspect, a luminaire described herein comprises a LED assembly and a driver assembly. A sensor module is integrated into the luminaire along or more convective air current pathways cooling the LED assembly or driver assembly. 1. A heatsink assembly comprising:a plurality of finned structures; andan interconnect coupling the finned structures, wherein the interconnect is positioned in the interior of the finned structures.2. The heatsink assembly of claim 1 , wherein the interconnect is moveable between a compressed spacing of the finned structures and an extended spacing of the finned structures.3. The heatsink assembly of claim 1 , wherein the interconnect locks the spacing between adjacent finned structures.4. The heatsink assembly of claim 3 , wherein the spacing is a predetermined distance.5. The heatsink assembly of claim 3 , wherein the spacing between adjacent finned structures is uniform over the heatsink assembly.6. The heatsink of claim 1 , wherein the interconnect coupling comprises an aperture in the finned structures.7. The heatsink of claim 6 , wherein the interconnect coupling further comprises a fastener extending from the aperture.8. The heatsink of claim 7 , wherein the fastener is operable to engage a complimentary structure on an adjacent fin.9. The heatsink assembly of claim 1 , wherein the heatsink assembly is part of a LED architecture.10. The heatsink assembly of claim 1 , wherein the heatsink assembly is a driver heatsink.11. A luminaire comprising:a driver assembly;a light emitting diode assembly; anda heatsink assembly comprising a plurality of finned structures, and an interconnect coupling the finned structures, wherein the ...

Efficient illumination system for legacy street lighting systems

An LED lamp for outdoor and large space lighting, particularly for streets, warehouses car parks and the like, is adapted for fitting into legacy light fittings designed for sodium bulbs and the like. The LED lamp includes light emitting diodes arranged over a surface of the lamp, is rotatably connected through a rotatable electrical connection to a screw-in adaptor for insertion into a legacy screw-in socket, such that the screw in adaptor is rotatable independently of the lamp, so that the legacy screw in socket can be used even though the light fitting is too small to allow rotation of the LED lamp. Additional variants provide for cooling airflow through the light fitting, for temperature control of the LEDs, and for failure protection, to ensure a longest possible lamp lifetime.

EYE-SAFE LASER-BASED LIGHTING

A laser-based light source includes a laser device configured to generate laser light of a predetermined laser wavelength and emit this laser light as a laser beam. A light-conversion device is configured to convert at least part of the laser light into converted light and a laser-output sensor is configured to determine a laser-output signal proportional to the output of laser light emitted by the laser device. Further, a converted-light sensor is configured to determine a converted-light signal proportional to the output of converted light emitted by the light-conversion device. A controller is configured to receive the laser-output signal and the converted-light signal, to determine a safe-to-operate parameter, based on the laser-output signal and the converted-light signal, and to control the operation of the laser-based light source based on a comparison of the safe-to-operate parameter with a at least one predefined threshold. 1. A laser-based light source , comprising:a laser device configured to generate laser light of a predetermined laser wavelength and emit the laser light as a laser beam;a light-conversion device configured to convert at least part of the laser light into converted light;a laser-output sensor configured to determine a laser-output signal being correlated with an output of the laser light emitted by the laser device;a converted-light sensor configured to determine a converted-light signal being correlated with an output of the converted light emitted by the light-conversion device;a redirection device configured to redirect at least part of the converted light to the converted-light sensor and to redirect a portion of the laser light to the laser-output sensor; anda controller configured to receive the laser-output signal and the converted-light signal, determine a safe-to-operate parameter of the laser device based on the laser-output signal and the converted-light signal, and control operation of the laser-based light source based on a ...