Abstract: A luminaire bezel attachment assembly with a lens that is defined by a lens body with one or more bezel engagement keyways, and a flange around the lens body. An inner bezel is coupled to the lens and defined by one or more inner bezel keys receivable within the corresponding one of the one or more bezel engagement keyways of the lens. An outer bezel is coupled to the lens and defined by one or more outer bezel keys that are receivable within the corresponding one of the one or more bezel engagement keyways of the lens. The outer bezel keys overlap the corresponding one of the one or more inner bezel keys.

Abstract: Systems and methods for obtaining diagnostic data of a target are disclosed. The systems include an imaging device and a drape. The imaging device includes at least one excitation light source for fluorescent imaging, and an optical sensor configured to detect signals responsive to illumination of the target with the excitation light. The drape is configured to reduce ambient light surrounding the target during imaging.

Abstract: An LED illumination device corresponds to a compact fluorescent lamp and has improved thermal properties. The illumination device includes a transparent tube having an inner wall defining a cavity, a light engine having one or more light emitting diodes, and a driver to drive the light engine. The light engine is disposed at the inner wall of the transparent tube. The arrangement of the light engine and the one or more light emitting diodes at the inner wall of the tube provides improved lighting characteristics. Simultaneously, an improved cooling is provided by the interface surface for conducting heat between the inner wall and the light engine.

Abstract: A linear luminaire having high ingress protection includes a light-generating assembly and a channel. The light-generating assembly is an elongate, self-contained, sealed optical assembly that includes all elements necessary to generate light and to direct, focus, or modify the generated light in a particular way. Typically, the light-generating assembly would include an outer optical element and a light source positioned within a cavity of the body of the light-generating assembly. The outer optical element may be a lens, diffuser, or other such element. The light source may be a strip of LED linear lighting, a string of connected LED modules, or any other suitable device. The light-generating assembly may optionally include a second optical element, such as a lens or diffuser, that is supported within the body. The ends of the body of the light-generating assembly may be sealed by fitted endcaps, by polymeric resin, or by other means.

Abstract: A light emitting device includes: a lens member having at least one lens surface; a submount; and a plurality of light emitting elements arranged in a row on an upper face of the submount, including a first light emitting element configured to emit first light having an emission peak at a first wavelength and a second light emitting element configured to emit second light having an emission peak at a second wavelength from a second light emission point, the second wavelength being different from the first wavelength, and the second light emission point being located farther from the lens member than a first plane that is perpendicular to an optical axis of the lens surface and that passes through the first light emission point.

Abstract: Disclosed embodiments provide techniques and devices for changing the color temperature and/or brightness of an LED lamp utilizing a selectable control device. The selectable control device may include one or more buttons, sliders, and/or rotary knobs. The buttons, sliders, and/or rotary knobs may be coupled to resistors, including variable resistors (potentiometers), that utilize resistance shunting. In embodiments, the shunt resistance varies under different dialing conditions (configuration of the selectable control device), so as to obtain different current ratios and achieve the purpose of mixing different color temperatures.

Abstract: A plant cultivation light source includes a plurality of light sources configured to be turned on or turned off depending on a selected plant and a growth stage of the selected plant, and a controller. The controller is operable to turn on the light sources during a light period such that the light sources are operable to emit a light having a spectrum with a plurality of peaks to the selected plant. The light period including a first period and a second period and the first period preceding or following the second period. The controller is operable to adjust the spectrum of the light to alternate the first period and the second period during the light period.

Abstract: A surgical microscope for visualizing a tissue region contains an illumination device with a light source and an illumination beam path for illuminating an object region with an object plane and an observation device having an observation beam path for imaging the object region with the object plane into an observation plane. A first polarizer can be coupled into the illumination beam path and is suitable for polarizing the illumination light in a first orientation. A polarizer, which can be coupled into the observation beam path, has a second orientation at an angle between 80° and 100° relative to the first orientation. In a first mode, the light source emits illumination light in a first wavelength range between 450 nm and 550 nm, the first polarizer is coupled into the illumination beam path, and the second polarizer is coupled into the observation beam path.

Abstract: A lighting device or lamp having two or more operating modes are provided. The lighting device or lamp comprises a housing having one or more light emitting diode (LED) packages mounted therein. The lighting device or lamp further comprises at least one secondary optic disc comprising a plurality of secondary optical elements. The secondary optical elements comprise two or more types of secondary optical elements. An operating mode of the two or more operating modes corresponds to each of the one or more LED packages being aligned with a secondary optical element of a predetermined type. The secondary optic disc is mounted to the housing so that the secondary optic disc is selectively rotatable with respect to the housing.

Abstract: An optical module includes a light-forming unit to form light. The light-forming unit includes a base member having an electronic temperature control module, a base plate, a plurality of submounts, and a microelectromechanical system (MEMS) base. The light-forming unit also includes a plurality of laser diodes arranged on the submounts, a filter arranged on the base plate and located to receive the light emitted from the plurality of laser diodes and multiplex the emitted light, a MEMS arranged on the MEMS base and located to receive the light multiplexed by the filter. The MEMS includes a scanning mirror to scan the light multiplexed by the filter, and the electronic temperature control module regulates a temperature range of the MEMS. The light-forming unit also includes a protective member surrounding and sealing the light-forming unit, which includes a base body and a lid welded to the base body.

Abstract: A road finishing machine comprises a tractor and a screed hinged to the tractor to be towed behind the tractor. At the tractor, a main control platform of the road finishing machine is provided which offers space for an operator and comprises operational controls for controlling functions of the road finishing machine. The main control platform has a roof, wherein a lighting unit with a light source is provided at the roof. The lighting unit comprises a housing which accommodates the light source and has a reflector. The reflector is configured to reflect light emitted by the light source into a working area of the screed so that the working area of the screed is illuminated indirectly.

Abstract: A self-luminous display panel including light-emitting elements 100, column banks 122Y, and a light-shielding film 133. The light-emitting elements 100 correspond one-to-one with sub-pixels 100se, each sub-pixel 100se in a pixel emitting a different color of light. The column banks 122Y are disposed between the light-emitting elements 100 in a row direction, each having an elongated shape in a column direction. The light-shielding film 133 has openings 133a at positions corresponding to the light-emitting elements 100 in plan view, downstream in a light emission direction of the light-emitting elements 100. In plan view, distances in the row direction between edges of the openings 133a of the light-shielding film 133 and defined points of the light-emitting elements 100 are different depending on light emission color of the light-emitting elements 100, due to different widths of portions of the column banks 122Y adjacent to the light-emitting elements 100.

Abstract: A lighting system for tunnels or similar works. The lighting system with LED diodes, including at least one lighting strip with LED diodes, with at least one set of LED diode modules, the modules of a set being divided up into subsets of one or more modules supplied with power by respective power supply buses, an electronic system supplying power to the strip, making it possible to power up, according to a first mode of operation, all the power supply buses and, in a second mode of operation, only a part of the power supply buses, so as to reduce the electrical consumption of the strip.

Abstract: The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A light emitting diode package structure is provided. The light emitting diode package structure includes first and second chips. A value of an intensity of a peak wavelength of a first shoulder wave of the first chip divided by an intensity of a peak wavelength of a first main wave of the first chip is defined as a first intensity ratio. A value of an intensity of a peak wavelength of a second shoulder wave of the second chip divided by an intensity of a peak wavelength of a second main wave of the second chip is defined as a second intensity ratio. The first and second chips satisfy “a difference between the intensities of the peak wavelengths of the first and second main waves being less than or equal to 2.5 nanometers” and “a difference between the first and second intensity ratios being greater than 0.1”.

Abstract: A digitally controlled LED illuminator sheet that produces far-field illumination patterns or light field distributions that increase light utilization and application efficiency. A dynamic directional LEDs (or other kinds of solid-state light sources) sheet is positioned under each lenslet of a microlens array. Individual LED beam pointing direction depends on off-axis position relative to optical axis of lenslet. Individual beams from independent LEDs form illumination pixels at the illumination plane or within a volume space and can be modulated in intensity. Illumination pixels partially overlap in far-field illumination plane and illumination volume. Over a large illumination space many illumination pixels will partially superimposed on neighboring illumination pixels, with the overlap being in increments smaller than the size of a pixel.

Abstract: An image inspection device and a lighting device capable of setting an irradiation solid angle for each location of a visual field and capable of miniaturization are provided. The image inspection device includes a photographing portion that photographs the target, and a light transmissible lighting portion that is disposed between the target and the photographing portion and configured to irradiate light in a direction toward the target. The lighting portion includes a plurality of light-emitting portions that is arranged in a matrix form and configured to be capable of selectively emitting light, and an optical system configured to control irradiation directions of the light emitted from each of the plurality of light-emitting portions to be directions corresponding to positions of each of the plurality of light-emitting portions.

Abstract: A recessed light fixture includes an LED module, which includes a single LED package that is configured to generate all light emitted by the recessed light fixture. For example, the LED package can include multiple LEDs mounted to a common substrate. The LED package can be coupled to a heat sink for dissipating heat from the LEDs. The heat sink can include a core member from which fins extend. Each fin can include one or more straight and/or curved portions. A reflector housing may be coupled to the heat sink and configured to receive a reflector. The reflector can have any geometry, such as a bell-shaped geometry including two radii of curvature that join together at an inflection point. An optic coupler can be coupled to the reflector housing and configured to cover electrical connections at the substrate and to guide light emitted by the LED package.

Abstract: A wall wash recessed light fixture has a light engine assembly has an aperture, an LED module operable to emit light through the aperture, a lens disposed between the LED module and the aperture, and a reflector disposed between the LED module and the lens. The LED module has an optical axis passing through the aperture and substantially parallel to a longitudinal axis (Z). The lens has a first side forming a plano-convex lens with a convex surface facing the LED module and has a second side with a Fresnel lens surface facing the aperture, and the lens is aligned at an oblique angle ?1 relative to the optical axis of the LED module. A diffuser is disposed between the lens and the aperture. The plano-convex lens has a principal axis aligned at the oblique angle ?1 relative to the optical axis of the LED module.

Abstract: A method of producing an optical device from a volume of a curable composition, includes the following steps: —polymerizing a first portion of the volume by irradiating an external surface of the volume with a light irradiation, thereby increasing a transmittance of the first portion for the light irradiation; —polymerizing a second portion of the volume by irradiating the second portion with the light irradiation through the external surface and the polymerized first portion, wherein the light irradiation has a light intensity varying over the external surface between a first light intensity and a second light intensity distinct from the second light intensity. A corresponding system is also described.

Abstract: A display panel has a plurality of pixel units. Each pixel unit includes a first blue sub-pixel and a second blue sub-pixel. The display panel includes a color filter substrate. The color filter substrate includes a plurality of filter groups. Each filter group includes a first blue filter disposed in a corresponding first blue sub-pixel and a second blue filter disposed in a corresponding second blue sub-pixel. The first blue filter is configured to transmit a first waveband light, and the second blue filter is configured to transmit a second waveband light. A wavelength corresponding to a first peak of the first waveband light is less than a wavelength corresponding to a second peak of the second waveband light. An intensity of the first waveband light emitted from the first blue sub-pixel is less than an intensity of the second waveband light emitted from the second blue sub-pixel.

Abstract: A light emitting module according to one embodiment of the present disclosure includes a lightguide plate having an upper surface in which a first hole is defined, and a lower surface opposite to the upper surface; and a light emitting element on a lower surface side of the lightguide plate, the light emitting element facing the first hole. The upper surface of the lightguide plate includes a first region defining a plurality of protrusions and/or recesses. A ratio of an area occupied by the plurality of protrusions and/or recesses per unit area in a plan view increases concentrically in an outward direction from the light emitting element.

Abstract: A lamp assembly for a vehicle includes a plurality of light-emitting diodes (LEDs) mounted in or on the vehicle and arranged in a linear pattern. An elongated optical member is disposed longitudinally along the linear pattern of LEDs. The elongated optical member is configured to receive light emitted from the LEDs and project a corresponding plurality of lit images. A vehicle lamp assembly includes a plurality of LEDs mounted to a printed-circuit board to form a linear array. A primary light pipe is disposed adjacent to the linear array of LEDs and aligned longitudinally along the linear array of LEDs, such that light emitted from each of the LEDs of the linear array traverses radially through the primary light pipe.

Abstract: A display device including a display panel, and a backlight unit configured to provide light to the display panel are discussed. The backlight unit can include a light emitting section including a plurality of light emitting devices disposed on a substrate, and a light source protection layer disposed on the plurality of light emitting devices, a light conversion sheet having a plurality of light conversion patterns disposed in positions corresponding to the plurality of light emitting devices, respectively, a phosphor film disposed on the light conversion sheet, and at least one reflector including a plurality of holes on the substrate. An air gap is disposed between a top surface of the at least one reflector and a bottom surface of the light conversion sheet.

Abstract: An apparatus and system are disclosed and include a vehicle interior lighting system comprising that includes a light engine with a plurality of independently addressable light emitting diode (LED) segments, each independently addressable LED segment including at least one LED, a flexible printed circuit board (PCB) having a base and plurality of legs extending from the base, each leg supporting an independently addressable LED segment, and a light guide plate configured to provide illumination from the plurality of independently addressable LED segments inside the vehicle. A processor may be configured to receive information from a o vehicle sensing system, a vehicle communication system, or a detection system, and may generate a signal. A controller may be configured to provide one or more light control signals to modify at least one light characteristic of at least one of the plurality of independently addressable LED segments based on the signal.

Abstract: A light fixture usable in train tunnels provides normal mode downlighting for track and walkway lighting and a selective task lighting mode where higher-lumen lighting is provided in at least the same downlighting direction as the track and walkway lighting. The normal lighting illumination level is at least 0.25 to 2.00 foot-candles at the illuminated surfaces. The task lighting mode provides at least 5.00 foot-candles to the same illuminated surfaces. The task lighting mode is achieved with the same light source that provides the normal mode lighting or with additional light sources that are activated together with or instead of the normal lighting mode light sources. The light sources can be a plurality light emitting diode (LED) engines that include a plurality of LEDs. The task lighting mode can also use another light source to provide additional task lighting up from the fixture.

Abstract: Systems and methods are disclosed and include a light-emitting diode (LED) array with LEDs associated with respective paint color chip locations of a display assembly. A processor receives a first signal indicating first paint color chip locations and determines whether a second signal is received from a second device within a threshold time, the second signal indicating second paint color chip locations. The processor assigns a first lighting characteristic to the first device and a second lighting characteristic to the second device, identifies a first set of LEDs associated with the first paint color chip locations and a second set of LEDs associated with the second paint color chip locations, and transmits an activation signal to the LED control circuit to activate the first set of LEDs based on the first lighting characteristic and the second set of LEDs based on the second lighting characteristic.

Abstract: In one aspect, a luminaire is provided for illumination, in which the luminaire has a normalized spectral power distribution (SPD) curve for promoting human wellness, the normalized SPD curve having the following percentage areas for the following wavelength domains, the normalized SPD curve including spectral energy in a 620 nm to 640 nm region of the SPD curve ranging from 9.5% to 10.5% of a total of an area for a normalized SPD curve; spectral energy in a 640 nm to 660 nm region of the SPD curve ranging from 7.25% to 9.8% of the total of the area of the normalized SPD curve; spectral energy in a 660 nm to 680 nm region of the SPD curve ranging from 4.8% to 7.8% of the total of the area for the normalized SPD curve; spectral energy in a 680 nm to 700 nm region of the SPD curve ranging from 2.75% to 5.5% of the total of the area for the normalized SPD curve; and a remainder of spectral energy of the total normalized SPD curve is in a 400 nm to 620 nm region area of the SPD curve.

Abstract: A light fixture controller is configured for controlling the color temperature and intensity of a light fixture that includes at least two LED groups. Each LED group includes multiple LEDs configured to produce light at certain color temperatures. The light fixture controller receives a color temperature setting and an intensity setting for the light fixture and generates control signals based on these settings. A first control signal only turns on the first LED group for a first duration of a cycle and a second control signal only turns on the second LED group for a second duration of the cycle. The ratio between the first and second duration is determined based on the color temperature setting. The control signal further includes a dimming control signal for controlling a current flowing through the LED groups based on the intensity setting for the light fixture.

Abstract: The present invention relates to a color tunable filament lamp (10), comprising: at least one tunable white LED filament (12) adapted to emit white light; and at least one RGB LED filament (22), wherein each RGB LED filament of the at least one RGB LED filament comprises a plurality of groups (26), each group comprising a red LED (28a), a green LED (28b) and a blue LED (28c), wherein each tunable white LED filament of the at least one tunable white LED filament comprises first LEDs (16?) having a first pre-set correlated color temperature and second LEDs (16?) having a second pre-set correlated color temperature lower than the first pre-set correlated color temperature, the first and second pre-set correlated color temperatures defining a sub-range (40?) of a correlated color temperature range (40) of the color tunable filament lamp, and wherein the color tunable filament lamp is configured to use the first LEDs and the second LEDs but not the at least one RGB LED filament for target points (38) in said sub-r

Abstract: A light fixture including a substrate and a plurality of light emitting diodes mounted on the substrate. The plurality of light emitting diodes includes a first light emitting diode having a peak wavelength within a range of 600 nanometers and 630 nanometers, and a full width at half maximum value of at least 140 nanometers.

Abstract: In an embodiment an LED module includes a support having at least two segments, wherein each segment is configured to emit light, wherein each segment has at least two light-emitting diodes that differ in terms of their colors, wherein the support has a multilayer structure and/or wherein the support has a substrate having a ceramic material and the ceramic material includes aluminum nitride, aluminum oxide or a varistor ceramic, and wherein the LED module is configured to set a brightness and a color of the emitted light separately for each segment.

Abstract: The present disclosure relates to a matrix optical system, a light ray condensing system and a compound eye lens. The matrix optical system includes a first lens and a second lens. The first lens includes a plurality of first lens units, focal lengths of the plurality of first lens units are different. The second lens includes a plurality of second lens units, focal lengths of the plurality of the second lens units are different. A distance of the plurality of first lens units is different from a distance of the plurality of second lens units. The first lens and the second lens are arranged in parallel and spaced apart. A light ray condensing system and a compound eye lens including the matrix optical system are further provided.

Abstract: There is provided an electro-optical device including a light-emitting layer that has a first light-emitting element and a second light-emitting element which are adjacent to each other and a color filter layer that has a first color filter provided corresponding to the first light-emitting element and a second color filter provided corresponding to the second light-emitting element, in which an inter-element distance between the first light-emitting element and the second light-emitting element is 1.5 ?m or less, and a thickness of layer between the light-emitting layer and the color filter layer is 6 times or less the inter-element distance.

Abstract: Systems, devices, and methods for determining and displaying operational parameters of a light fixture that includes narrow band emitters. A controller includes stored information related to spectral power distributions of each of a plurality light wavebands generated by a plurality of narrow band emitters (e.g., LEDs). Based on the spectral power distributions, the controller is configured to determine an output spectrum of the light fixture and/or an output spectrum of individual wavebands. The controller is configured to generate an output display that includes the determined operational parameters associated with the light fixture and a mechanism for manipulating the outputs of the light fixture's wavebands. Using the mechanism, a user can manipulate the operational parameters of the light fixture and observe from the output display a substantially real-time representation of the operational parameters of the light fixture based on the user manipulations.

Abstract: A plant cultivation light source includes a plurality of light sources configured to be turned on or turned off depending on a selected plant and a growth stage of the selected plant, and a controller. The controller is operable to turn on the light sources during a light period such that the light sources are operable to emit a light having a spectrum with a plurality of peaks to the selected plant. The light period including a first period and a second period and the first period preceding or following the second period. The controller is operable to adjust the spectrum of the light to alternate the first period and the second period during the light period.

Abstract: A quantum dot-based color display includes a backlight unit with a light source and light source distribution layer and a photo down-conversion light emissive layer. The photo down-conversion layer has populations of light-emitting Group II-VI core-shell structure quantum dots, the core having an excess amount of a Group II component in a ratio to a Group VI component of approximately 6:1 or greater. The quantum dots include an organic fraction of approximately 20 weight percent to approximately 45 weight percent, the organic fraction including ligands bound to quantum dot surfaces in an as-deposited state and including one or more long-chain fatty acids. Non-barrier polymer films are positioned on either side of the photo down conversion light emissive layer which exhibits photo stability at a light intensity of at least 4000 W/m2. A display panel cooperates with the back light unit to form the display.

Abstract: A light-emitting module structure includes a substrate, a plurality of light-emitting diodes (LEDs) disposed on the substrate, and a light-guiding layer covering the light-emitting diodes. The light-guiding layer has an upper surface, the upper surface has a plurality of recesses, and the recesses are above the light-emitting diodes or between the light-emitting diodes. This light-emitting module structure can improve the brightness and uniformity of the light-emitting module.

Abstract: An imaging system may include a sample stage having a surface to support a sample to be scanned by the imaging system; an optical stage having an objective lens, the optical stage being positionable relative to the sample stage; an actuator physically coupled to at least one of the sample stage and the optical stage to move the sample stage relative to the optical stage; a servo circuit to control the actuator; a first set of control parameters to control the servo circuit; a second set of control parameters to control the servo circuit; and a servo control circuit to apply the first set of control parameters to the servo circuit when the imaging system is operating in a first mode of operation and to apply the second set of control parameters to the servo circuit when the imaging system is operating in a second mode of operation.

Abstract: A multi-lens array is provided for a luminous source of a vehicle. The array includes at least one light source and multiple lens arrangements. Each lens arrangement includes a condenser lens and a projector lens as optical elements. The at least one light source is enabled to expose each of the multiple lens arrangements with light, and the projections of the multiple lens arrangements of this light interfere to form a single projected image.

Abstract: A light-emitting device (100) is specified, which has a housing (1) with a mounting surface (12) and a housing recess (13), a semiconductor laser diode (2) being arranged in the housing recess, which is intended and embodied to emit laser light (20) in a direction parallel to the mounting surface (12) during operation, an optical element (4) being arranged downstream of the semiconductor laser diode in the beam path of the laser light, the semiconductor laser diode being mounted in the housing in such a way that the laser light has a maximum divergence in a plane parallel to the mounting surface, the optical element having a light-incoupling surface (41), exactly one reflector surface (42) and a light-outcoupling surface (43), the optical element being a one-piece housing cover which completely covers the housing recess in which the semiconductor laser diode is arranged, and the light-outcoupling surface being part of an outer surface of the optical element opposite the mounting surface.

Abstract: The present disclosure discloses a light distribution element, a light source assembly and a lighting lamp. The light distribution element comprises a light source cavity, a first face, an incident face and an emitting face. The first face and the emitting face are arranged opposite to each other. The light source cavity is formed in a manner that the first face is concaved towards a side where the emitting face is located, the incident face is an inner surface of the light source cavity, and the incident face includes a Fresnel surface. The emitting face includes a concave reflecting face, and the concave reflecting face is concaved towards a side where the incident face is located.

Abstract: A glass-ceramic article comprises a petalite crystalline phase and a lithium silicate crystalline phase. The weight percentage of each of the petalite crystalline phase and the lithium silicate crystalline phase in the glass-ceramic article are greater than each of the weight percentages of other crystalline phases present in the glass-ceramic article. The glass-ceramic article has a transmittance color coordinate in the CIELAB color space of: L*=from 20 to 90; a*=from ?20 to 40; and b*=from ?60 to 60 for a CIE illuminant F02 under SCI UVC conditions. In some embodiments, the colorant is selected from the group consisting of TiO2, Fe2O3, NiO, Co3O4, MnO2, Cr2O3, CuO, Au, Ag, and V2O5.

Abstract: Provided is a light-emitting device that can display an image with a wide color gamut or a novel light-emitting element. The light-emitting device includes a plurality of light-emitting elements each of which includes an EL layer between a pair of electrodes. Light obtained from a first light-emitting element through a first color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than 0.680 and less than or equal to 0.720 and a chromaticity y of greater than or equal to 0.260 and less than or equal to 0.320. Light obtained from a second light-emitting element through a second color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.130 and less than or equal to 0.250 and a chromaticity y of greater than 0.710 and less than or equal to 0.810. Light obtained from a third light-emitting element through a third color filter has, on chromaticity coordinates (x, y), a chromaticity x of greater than or equal to 0.120 and less than or equal to 0.

Abstract: The application discloses a cabinet lighting power-taking system including a cabinet, a power-taking assembly and lamps. The power-taking assembly includes at least one wire-distribution box, which is attached to and installed on a surface of the cabinet and is provided with a power-input interface and a plurality of power-output interfaces, so as to separate a single power-output interface into the plurality of power-output interfaces in parallel through shunt conversion. The power-input interface is configured for connecting a commercial power. The lamps are installed in the cabinet and plugged into the plurality of power-output interfaces one by one. This application improves an installation structure of the cabinet lighting power-taking system, and provides a structure that does not require slotting and wiring, which facilitates a process of installation, improves the efficiency of installation and optimizes the safety of using the lamps.

Abstract: Sanitizing an agricultural facility by placing a chamber having an open interior within the agricultural facility. An item is placed within an open interior of the chamber and a door is interlocked. Then light having a spectral content within a narrow range of wavelengths is provided from at least one lighting device toward the item for a predetermined amount of time to inactivate a microorganism. Simultaneously, ozone may be discharged into the open interior to sanitize the item. Before the door unlocks the ozone within the interior of the chamber is directed to a filter for forming oxygen. Sanitizing the agricultural facility by detect humans, and in response, providing a first light with one spectral content when the human is detected, and providing a second light with a different spectral content within a narrow range of wavelengths to inhibit bacteria growth when humans are not detected.

Abstract: The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within red, blue, green, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. Methods of generating white light by combining light generated by red, blue, green, and cyan color channels. Methods of generating white light points at substantially the same 1931 CIE chromaticity diagram color coordinates having different EML.

Abstract: A lighting device for a motor vehicle, in particular a headlamp, comprising at least two, preferably three, light sources, from which light emanates during the operation of the lighting device, the light of each of the light sources differing from that of the other light sources with regard to its wavelength spectrum, comprising modulator, which bring about a modulation of the light emanating from the light sources during the operation of the lighting device, so that information is transmitted by the light, the lighting device having a mixer for mixing the light emanating from the individual light sources, so that white light emerges from the lighting device during the operation of the lighting device.

Abstract: The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.

Abstract: A downlight apparatus includes a unibody housing, a light source, a light source plate, a first fixing unit, a lens module and a second fixing unit. The unibody housing is made of metal material. The unibody housing has a light source holder and a heat sink rim. The heat sink rim has a top edge and a bottom edge. The top edge is connected to the light source holder. The top edge has a smaller diameter than the bottom edge. The light source plate is used for mounting the light source. The lens module is fixed between the first fixing unit and the second fixing unit to align a center of the lens module with the light source. The second fixing unit is fixed to a peripheral edge of the light source holder for keeping the lens module, and the light source plate staying in the light source holder.