Abstract: Provide is a lens which outputs light, emitted by a plurality of light sources, with uniform light distribution. The lens includes a lens body having a first surface which is flat and has an incident hole formed therein, and a second surface which is convex and opposite the first surface; and a plurality of incident surfaces which are recessed from the incident hole toward the second surface, each of the plurality of incident surfaces corresponding to a light source of the plurality of light.

Abstract: An optoelectronic semiconductor chip and a method for producing an optoelectronic semiconductor chip are disclosed. In an embodiment an optoelectronic semiconductor chip includes a semiconductor layer sequence having a plurality of pixels, the semiconductor layer sequence comprising an active layer configured to generate electromagnetic radiation of a first wavelength range and a plurality of conversion elements, wherein each conversion element is configured to convert the radiation of the first wavelength range into radiation of a second wavelength range, wherein each pixel has a radiation exit surface and a conversion element is arranged on each radiation exit surface, and wherein each conversion element has a greater thickness in a central region than in a peripheral region.

Abstract: There is provided a light emitting device, for example a grow-light, comprising: a grow-light comprising: a broadband blue solid-state light source that generates broadband blue light with a peak emission wavelength from 420 nm to 495 nm and a full width at half maximum of at least 30 nm. It may be that the broadband blue light substantially matches at least one of: the absorption peak wavelength of chlorophyll-a; the absorption peak wavelength of chlorophyll-b; and the absorption peak wavelength of carotenoid.

Abstract: The present disclosure provides a power supply device and a high-power illumination system. The power supply device includes: a housing, where the housing includes a first bottom plate having a first surface on which a first heat sink is provided and a second surface on which a thermal conductive potting layer is provided; and a printed circuit board, where the printed circuit board is located in the housing, the printed circuit board includes a circuit board body and multiple electronic components arranged on the circuit board body, at least part of the multiple electronic components is arranged facing the second surface of the first bottom plate, and the electronic component of the at least part of the multiple electronic components is partially immersed in the thermal conductive potting layer to conduct heat dissipated by the electronic component to the first heat sink for natural heat dissipation of the electronic component.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a light source including a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate; and a first diffusion layer disposed on the resin layer, wherein the resin layer includes a first resin portion disposed on the light source, and a second resin portion adjacent to the first resin portion and disposed on the substrate. The upper surface of the first resin portion has an inclination and is spaced apart from the first diffusion layer, the second resin portion includes a material different from that of the first resin portion, and the second resin portion based on the upper surface of the substrate. The height of the upper surface may be greater than the lowermost height of the upper surface of the first resin portion.

Abstract: An illumination apparatus, including: a light source assembly, a circuit board, a fin assembly, and a fan. The fin assembly includes a plurality of fins arranged at intervals. The plurality of fins each has a first thermal connection end and a second thermal connection end arranged oppositely to each other, as well as a first thermal dissipation end and a second thermal dissipation end arranged oppositely to each other. The light source assembly is in thermal connection with the first thermal connection end, and the circuit board is in thermal connection with the second thermal connection end. The airflow generated by the fan is enabled to pass through the fins and flow out from the first thermal dissipation end and the second thermal dissipation end to drive a heat of the first thermal connection end and the second thermal connection end out of the fin assembly.

Abstract: Disclosed are PBS-based ADB function adjustment method and an intelligent vehicle light module therefor. A light source system and a light control element constitute an intelligent illumination light control system. One part of light rays emitted by the intelligent illumination light control system penetrate through a PBS to form an illumination light shape, and the other part of the light rays emitted by the intelligent illumination light control system are reflected by the PBS in a direction opposite to a photosensitive chip integrated circuit. Ambient light enters an imaging lens group in a direction opposite to an illumination light path, and one part of the ambient light is reflected by the PBS to the photosensitive chip integrated circuit to form an information source for dynamic control of the light control system.

Abstract: A wavelength conversion member including a wavelength conversion layer containing a fluoride phosphor, quantum dots, a surfactant, and a resin. The fluoride phosphor contains fluoride particles having a specific composition and having particle size values within specific ranges. The quantum dots include at least one selected from a first crystalline nanoparticle and a second crystalline nanoparticle. The first crystalline nanoparticle has a specific composition. When irradiated with light having a wavelength of 450 nm, the first crystalline nanoparticle emits light having an emission peak at a wavelength in a range from 510 nm to 535 nm, and a full width at half maximum of the emission peak of the first crystalline nanoparticle is in a range from 10 nm to 30 nm. The second crystalline nanoparticle includes a chalcopyrite-type crystalline structure, and a full width at half maximum of the emission peak of the second crystalline nanoparticle is 45 nm or less.

Abstract: A light fixture includes a mounting housing comprising a junction box, a first flange and a plurality of heat dissipation fins, and a second housing comprising a second flange. The mounting housing is mountable in an aperture in a panel, and the second housing is mountable to the first housing.

Abstract: A lighting device, a lighting attachment device, and a method of manufacturing a lighting cover having a film coated with an optical-scattering agent are provided. The lighting device includes: a lighting unit having a lighting cover, the lighting cover having an adjustable degree of optical scattering; and a control unit configured to adjust the lighting cover to an appropriate degree of optical scattering according to the growth state of a cultivation subject. The method for manufacturing a lighting cover includes: partitioning a lighting cover of a synthetic resin material into a plurality of scattering zones; and coating an optical-scattering agent on the lighting cover such that each of the scattering zones has a different degree of optical scattering.

Abstract: A first wavelength conversion element according to an embodiment of the present disclosure includes: a phosphor layer; a refrigerant; a refrigerant transport member; and a housing. The phosphor layer includes a plurality of phosphor particles. The phosphor layer has a gap therein. The refrigerant cools the phosphor layer. The refrigerant transport member is provided in contact with the phosphor layer. The refrigerant transport member circulates the refrigerant. The housing encapsulates the phosphor layer, the refrigerant, and the refrigerant transport member. The housing includes a protective layer on at least a portion of an inner wall.

Abstract: A light fixture includes a housing for supporting a light source and an enclosure for supporting a driver in electrical communication with the light source. The enclosure is selectively supported in one of a first position and a second position while maintaining electrical communication between the driver and the light source in both positions. The enclosure is directly coupled to the housing in the first position, and the enclosure is supported separately from the housing in the second position.

Abstract: An IV-line identification system to enable ready identification of an IV line and its associated fluid source and output from other IV lines with their fluid sources and outputs. The IV-line identification system includes an optical member affixed along a longitudinal length of an elongated member that transmits light when a light source provides a light to the optical member.

Abstract: A light source module includes a light source, a dichroic unit, a color wheel and a wavelength conversion unit. The light source is configured to emit a light. The dichroic unit is opposite to the light source and configured to reflect a portion of the light as a first illumination light in a first direction and reflect a portion of the light as a second illumination light in a second direction inverse to the first direction. The color wheel is opposite to the dichroic unit and configured to at least receive the first illumination light. The color wheel has a blue filter area, a green filter area and a red filter area. The wavelength conversion unit is opposite to the color wheel and the dichroic unit and configured to at least receive the second illumination light and provide a converted light to the color wheel.

Abstract: A modular lighting assembly uses LED banks as the light sources. The assembly allows the power supply and LED banks to be independently replaced. The assembly uses a power supply that is separated from the LED banks and electrically connected to the LED banks with a plug connector that may be unplugged and plugged back in to allow the power supply or LED bank to be independently and readily replaced. The assembly provides for easy replacement of the different components of the assembly. One feature that makes the components easier to replace is that the light modules and/or the power supply may be carried by the housing that is removable from the base mount that is secured to a mounting structure such as a wall or ceiling.

Abstract: The present disclosure provides an apparatus for generating fiber delivered laser-induced white light. The apparatus includes a package case enclosing a board member with an electrical connector through a cover member and a laser module configured to the board member inside the package case. The laser module comprises a support member, at least one laser diode device configured to emit a laser light of a first wavelength, a set of optics to guide the laser light towards an output port. Additionally, the apparatus includes a fiber assembly configured to receive the laser light from the output port for further delivering to a light head member disposed in a remote destination. A phosphor material disposed in the light head member receives the laser light exited from the fiber assembly to induce a phosphor emission of a second wavelength for producing a white light emission substantially reflected therefrom for various applications.

Abstract: Disclosed herein are a light source module for plant cultivation and a light device including the same. The light source module for plant cultivation may include at least one main light source emitting white light. The white light from the main light source is provided to a plant during cultivation to improve the growth and phytochemical content of the plant. In addition, the white light may have peak wavelengths of 430 nm or less, 440 nm to 460 nm, 510 nm to 530 nm, and 600 nm to 630 nm.

Abstract: An LED light source unit for plant cultivation includes: at least one first light emitting diode chip emitting light of 430 nm or less, at least three types of phosphors excited by the at least one first light emitting diode chip, and combined light emitted from the first light emitting diode chip and the at least three types of phosphors produces a basic spectrum of white light having a color temperature of 5000K or more.

Abstract: A lighting module for illuminating cultivated crops in indoor farming comprises at least one monolithic efficiency enhancing optical element (EEOE) further comprising: (a) a front portion comprising a spectrum conversion layer; (b) an optically transparent middle body portion having at least one light source embedded there within and configured to emit spectrally controllable radiation; and (c) a back portion configured to reflect the radiation emitted by the spectrum conversion layer to the cultivated crops. The back portion has a central area being adjacent to the optically transparent middle body portion configured for reflecting radiation propagating within the optically transparent middle body portion and a peripheral area configured for reflecting radiation emerged from the optically transparent middle body portion via the side surface.

Abstract: A light source device includes a light source device includes a first light source configured to emit first light, and a first lens that includes a first surface on which the first light having a first optical axis is incident and a second surface from which a second light having a second optical axis is emitted. An intensity of the first light has a first value on the first optical axis of the first light.