Abstract: An electronic shelf label, which is arranged to be attached to a shelf, preferred to a shelf rail located at the front edge of a shelf floor, more preferred to form the shelf rail by itself and to be directly attached to the shelf floor, the electronic shelf label comprises: a display screen arranged on or as the front wall of the electronic shelf label to display content in the form of a still or video image, the display screen comprises a light source to provide a backlit for the display screen, and an illumination device, which is independently controllable form the light source and arranged to emit light from the electronic shelf label from a different wall than its front wall.

Abstract: Discussed is a backlight unit, including a base substrate; a partition wall on the base substrate and including a plurality of grooves; semiconductor light-emitting devices on the base substrate and in the plurality of grooves, respectively; a phosphor layer defined in each of the plurality of grooves to cover the semiconductor light-emitting devices and absorbs light in a specific wavelength band to emit light in a wavelength band different from the light in the specific wavelength band; a light diffusion layer that above the phosphor layer and diffuses light; and a spacer between the partition wall and the light diffusion layer, wherein the spacer includes: a body part attached to the partition wall; and a protruding part protruding in a direction toward the light diffusion layer and attached to the light diffusion layer, such that the light diffusion layer and the phosphor layer are spaced apart from each other.

Abstract: A light emitting diode structure includes a substrate, a chip on a top surface of the substrate, transparent cup walls on the top surface of the substrate and surround the chip, a wavelength conversion layer covering the chip between the transparent cup walls, and a reflective layer on the wavelength conversion layer. The reflective layer includes a curved bottom surface protruding toward the chip and directly contacting a top surface of the wavelength conversion layer. An edge of the reflective layer directly contacts the transparent cup walls and the wavelength conversion layer. The wavelength conversion layer fills a space defined by the substrate, the transparent cup walls and the reflective layer such that a bottom surface, a side surface, and the top surface of the wavelength conversion layer directly contacts the substrate, the transparent cup walls, and the reflective layer, respectively.

Abstract: A vehicle component includes a body having a plurality of layers where each of the plurality of layers is a composite material. The body includes a recess formed in one or more of the plurality of layers. A lighting material is disposed in the recess and includes a tube having a first end and a second end, and a light guide disposed within the tube and extending between the first end and the second end of the tube. A light source is adjacent to one or more of the first end and the second end of the tube. The light source is directed toward the light guide and configured to illuminate the lighting material. The recess is sized to receive the tube.

Abstract: A method of manufacturing a surface light source includes providing an intermediate structure body that includes a composite board including a supporting member and a wiring layer disposed on the supporting member and includes a plurality of light-emitting elements disposed apart from each other on the wiring layer of the composite board, disposing a plurality of covering members apart from each other to cover upper surfaces and lateral surfaces of the light-emitting elements and portions of the composite board around the light-emitting elements, disposing a light-shielding member such that a gap between the covering members is filled, removing the covering members to form a plurality of hole portions, and disposing a light-transmissive member in the hole portions.

Abstract: A light emitting apparatus includes a light source, a unitary formed heat sink with a plurality of heat dissipating fins, a lensed enclosure that retains a light source and at least one power consuming device other than the light source. The lensed enclosure includes a recessed opening having at least a first wall that terminates at a substantially perpendicular second wall. The plurality of heat dissipating fins are disposed on at least one adjacent exterior side of the walled enclosure, the fins extending outwardly. At least one fin coupled to the heat sink extends beyond the light source, and the heat generated by the light source travels by conduction laterally through the heat sink to the at least one coupled fin.

Abstract: A light emitting device includes a plurality of light emitting elements and a light controller. The light emitting elements emit lights. The light controller is disposed on the light emitting elements for the lights passing through to form output lights, and the light controller is switchable in a first state and a second state. A sum of an intensity of the output lights in the first state is greater than a sum of an intensity of the output lights in the second state in an angle ranged from 80° to 100°.

Abstract: Light emitting assemblies comprise a plurality of Light Emitting Diode (LED) dies arranged and attached to common substrate to form an LED array having a desired optimum packing density. The LED dies are wired to one another and are attached to landing pads on the substrate for receiving power from an external electrical source via an interconnect device. The assembly comprises a lens structure, wherein each LED die comprises an optical lens disposed thereover that is configured to promote optimal light transmission. Each optical lens has a diameter that is between about 1.5 to 3 times the size of a respective LED die, and is shaped in the form of a hemisphere. Fillet segments are integral with and interposed between the adjacent optical lenses, and provide sufficient space between adjacent optical lenses so that the diameters of adjacent optical lenses do not intersect with one another.

Abstract: The application provides a backlight module, a manufacturing method thereof, and a liquid crystal display device. The backlight module includes a substrate, and a light-emitting chip and a reflective layer disposed on the substrate. Wherein, the reflective layer has a hollowed-out region, the light-emitting chip is electrically connected to the substrate in the hollowed-out region, and a projection of an edge of the hollowed-out region on the substrate is at least partially within a coverage of a projection of the light-emitting chip on the substrate to improve luminous efficiency.

Abstract: A backlit display device includes a plurality of light sources, a plurality of tapered cups laid out in an array, a diffuser, a display module displaying an image, and an image concave mirror being positioned along an optical path sequentially. Each tapered cup is tilted at a different angle and corresponded to one light source respectively to define an emitting angle of each light source. The light of the light sources passes through the diffuser forming a backlight. The display module and the backlight are positioned within and outside the focus of the image concave mirror respectively. The backlight illuminates the image forming an image light and the image light is reflected by the image concave mirror and then projected to a single eye box. Each light source illuminates a portion of the display module. A central normal of each tapered cup intersects the center of the single eye box.

Abstract: An LED lighting sheet (20) for animal/plant growth includes an array of LED chips (21) and has a total luminous flux of 3000 lm or more.

Abstract: A light control apparatus includes a diffuser plate, a light source, a light pipe, and a light blocker. The diffuser plate includes at least one opening therein. The diffuser plate includes feature located around the opening in the diffuser plate that exposes a portion of the diffuser plate. A light source positioned proximate a second surface of the diffuser plate is optically coupled to a light pipe positioned around a portion of the opening near the second surface of diffuser plate. A light blocker is positioned near a second portion of the at least one feature. The light blocker is positioned between the light source and the second portion of the feature, the light blocker having an opening therein to allow light to pass from the light source to the diffuser plate proximate the second portion of the feature.

Abstract: The disclosure relates to a housing for a spark plug, having a bore along the longitudinal axis X of the housing, the housing comprises an outer side and an inner side and a galvanically applied nickel and zinc-containing protective layer is arranged on at least one part of the outer side of the housing. A sealing layer, which contains silicon, is arranged on the nickel and zinc-containing protective layer.

Abstract: A backlight module including a light guide plate, a light source, an upper prism sheet, and a lower prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface. The upper prism sheet is disposed at a side of the light emitting surface of the light guide plate. The upper prism sheet includes an upper substrate and first prism microstructures. Cross-sections of the first prism microstructures are isosceles triangles, and apex angles thereof fall within a range of 80 to 90 degrees. The lower prism sheet is disposed between the light guide plate and the upper prism sheet. The lower prism sheet includes a lower substrate and second prism microstructures. Cross-sections of the second prism microstructures are isosceles triangles, and apex angles thereof fall within a range of 100 to 130 degrees.

Abstract: A micro LED display device includes: a substrate; a plurality of micro light-emitting diodes disposed on the substrate; and a reflective layer and a black layer sequentially stacked on the substrate. The reflective layer and the black layer cover a surface of the substrate, wherein a top surface of the plurality of micro light-emitting diodes is exposed through the reflective layer and the black layer. A plurality of reflective banks and a plurality of black banks are sequentially disposed on the black layer and exposing the plurality of micro light-emitting diodes; and a color-conversion material covers the top surface of at least one of the plurality of micro light-emitting diodes. The color-conversion material is laterally disposed between the plurality of reflective banks. The reflective layer, the black layer, the plurality of reflective banks, and the plurality of black banks overlap each other in a display direction.

Abstract: High-density GaN-based LED displays fabricated using wafer-to-wafer hybrid bonding and incorporating s color conversion region are disclosed.

Abstract: The disclosure relates to an endoscopic light source that includes a first emitter. The first emitter may emit light of a first wavelength at a dichroic mirror which reflects the light of the first wavelength to a plurality of optical fibers. The endoscopic light source further comprises a second emitter. The second emitter may emit light of a second wavelength at a second dichroic mirror which reflects the light of the second wavelength to the plurality of optical fibers. In one embodiment, the first dichroic mirror may be transparent to the light of the second wavelength, allowing the light of the second wavelength to pass through the first dichroic mirror.

Abstract: The application belongs to the technical field of LED display screens, and particularly relates to an outdoor LED display. The Outdoor LED display comprises a box body, a display module and a plurality of control assemblies; the display module comprises a plurality of sub-modules, and each sub-module is provided with a control assembly; the box body comprises a frame and a panel installed on the frame, and the display module is connected at one end of the frame away from the panel; the panel, the frame, and the display module form an installation space for installing the control assembly. In this application, each sub-module is installed with a corresponding control assembly, and the control assembly can control the corresponding sub-module to display, thereby enhancing the display effect of the outdoor LED display.

Abstract: A luminophore having the general empirical formula X?1?xA?y(Al1+zA?3?z)O4:E? that crystallizes in a tetragonal crystal system. X? may be Mg, Ca, Sr, Ba, and combinations thereof; A? may be Li, Na, K, Rb, Cs, and combinations thereof; E? may be Eu, Ce, Yb, Mn, and combinations thereof; 0<x<0.25; y?x; and z=0.5(2x?y).

Abstract: A modular lighting kit has a plurality of blocks of various shapes and sizes, including a powered master block and a plurality of unpowered slave blocks. The master block is illuminable independently. All blocks are magnetically attracted to each other and connect electrically when abutted together in any 2-D or 3-D arrangement such that all blocks are illuminated when connected directly or indirectly to the master block.