Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. In a case where an internal quantum efficiency after the phosphor powder is held at 600° C. for 1 hour in an air atmosphere is defined as P1 and an internal quantum efficiency after the phosphor powder is held at 700° C. for 1 hour in an air atmosphere is defined as P2, P1 is equal to or more than 70% and (P1?P2)/P1×100 is equal to or less than 2.8%.

Abstract: A modular frame for supporting one or more LED panels to form a video wall, a leveling system for the video wall, and a calibration and/or cleaning system for the LED panels of the video wall. The modular frame is a framework comprising at least two support columns, a primary support beam and at least one secondary support beam wherein the at least two support columns are spaced apart with the primary support beam extending substantially laterally thereacross, and a plurality of stiffening elements. The at least one secondary support beam is an articulated support beam for suspending a column of one or more LED panels therefrom and wherein the articulation point of each of the at least one secondary support beams as connected to the primary support beam is substantially centered over the center of mass of the one or more LED panels suspended therefrom.

Abstract: A color substrate and a display device including the same. The color substrate includes: a substrate including first and second pixel regions spaced apart from each other, and a light shielding region between the first and second pixel regions; a first color conversion layer over the first pixel region and configured to convert incident light into first color light; a second color conversion layer over the second pixel region and configured to convert the incident light into second color light; and a retroreflective layer over the light shielding region and configured to retroreflect incident light through the first and second color conversion layer.

Abstract: Embodiments of a display device are described. The display device includes a liquid crystal display (LCD) module and a backlight unit designed to emit a primary light in a first wavelength region of an electromagnetic (EM) spectrum. The LCD module includes an array of pixels having at least one pixel with a sub-pixel that includes a layer of luminescent nanostructures and a layer of fluorescent material. The layer of luminescent nanostructures absorbs the primary light and emits a second light in a second wavelength region of the EM spectrum different from the first wavelength region. The layer of fluorescent material absorbs the primary light that has passed through the layer of luminescent nanostructures, and emits a third light in the second wavelength region of the EM spectrum.

Abstract: Particular embodiments described herein provide for an electronic device that includes a display, a backlight for the display, and one or more ambient light guiding layers to supplement the backlight with ambient light. In an example, one of the one or more ambient light guiding layers is located on a back side of the electronic device. An ambient light guide monitoring engine can monitor an intensity of ambient light and a display engine can use data from the ambient light monitoring engine to determine the intensity of the backlight for the display.

Abstract: Apparatus and associated methods relate to a lighting system configured to be suspended overhead between two supporting structures. A tensile force will be imparted to the lighting system as a consequence of suspending the lighting system overhead. The lighting system can include one or more lighting sections connected end to end. Each of the lighting sections has a structural support cable and a light string coupled thereto. Each of the lighting sections has first and second end connectors on first and second ends of the lighting section. The first and second end connectors provide mechanical connection between adjacent structural support cables as well as electrical connection between adjacent light strings. The lighting sections are configured such that the tensile force imparted to the lighting section is mostly borne by the structural support cable.

Abstract: A light emitting diode package structure and a manufacturing method thereof and a display device are provided. The light emitting diode package structure includes a blue light emitting diode and a phosphor layer. The phosphor layer is disposed on the blue light emitting diode package structure, and the phosphor layer includes an encapsulation layer and a plurality of phosphor powders. The phosphor powders are disposed in the encapsulation layer and consist of green phosphor powders, red phosphor powders, and yellow phosphor powders, in which a weight percentage of the yellow phosphor powders ranges from 1% to 10%.

Abstract: A backlight module including a light guide plate, a light source, an optical film, a diffusion sheet, a first prism sheet and a second prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface connected to each other. The light source is disposed on a side of the light incident surface. The optical film is overlapped with the light emitting surface and has a plurality of optical microstructures facing the light emitting surface. The diffusion sheet is disposed between the light guide plate and the optical film. The first prism sheet and the second prism sheet are overlapped with the optical film and are positioned on a side of the optical film being far away from the light guide plate. A display apparatus adopting the backlight module is also provided.

Abstract: The present disclosure relates to an electronic apparatus, a display device, and a backlight module, and relates to relates to the field of display technologies. The backlight module includes a back panel, a light guide plate and a light bar. The back panel has a bottom plate and a peripheral plate surrounding edges of the bottom plate, the peripheral plate is provided with a limit structure protruding into an area surrounded by the peripheral plate; the light guide plate is provided within the peripheral plate; the light bar is provided between the peripheral plate and the light guide plate and abutting against the limit structure to be blocked by the limit structure in at least one of a direction perpendicular to the bottom plate and a circumferential direction of the peripheral plate.

Abstract: A surface mounted lighting is disclosed and includes a pair of copper foils/strips extending along a length of a removable guide tape. The copper strips are provided with adhesive on their opposite side for securement to the intended surface (e.g. ceiling, wall, etc.) in a room. One or more lights can be adhered to the surface secured copper tape, after the guide tape is removed, to create an electrical connection/communication between the tape and light(s). An electrical controller can also be adhered to the copper tape preferably similar to how the lights are secured to the copper tape to create an electrical connection/communication between the electrical controller and the copper tape and for sending power to the light(s) when the electrical controller is turned on or otherwise instructed. The electrical controller is preferably electrically connected to an electrical outlet within the room for receiving power.

Abstract: The invention relates to a lighting device comprising a pixelated light emitting semiconductor chip (pixelated with pixels), an electronic semiconductor chip for actuating the pixelated light emitting semiconductor chip, and a substrate. The pixelated light emitting semiconductor chip and the electronic semiconductor chip are placed next to one another on the substrate. The invention further relates to a process for manufacturing a lighting device.

Abstract: The present disclosure is directed to ion generator device supports. An ion generator device support is configured to retain an ion generator device in a cavity formed by a plurality of walls of the ion generator device support.

Abstract: According to one embodiment, an illumination device includes a light source module, and a reflector opposed to the light source module. The reflector includes a plurality of incidence openings on which light from the light source module is made incident, a plurality of emission openings opposed to the incidence openings, a plurality of reflective surfaces extending from the incidence openings to the emission openings, respectively, and reflective films formed on the reflective surfaces. The reflector includes a plurality of blocks, and the blocks are bonded to each other to form the reflector.

Abstract: Provided is a display apparatus including a liquid crystal panel, a substrate disposed under the liquid crystal panel, and a reflective sheet provided with a hole and disposed on a first side of the substrate. The substrate may include at least one feed portion and at least one antistatic portion. A light source module may be disposed within an area defined by the hole of the reflective sheet on the first side of the substrate. The light source module may be provided with a light emitting diode and an insulating dome covering the light emitting diode such that the at least one feed portion is disposed on the first side of the substrate and is in contact with the light emitting diode of the light source module, and the at least one antistatic portion may be disposed within the area defined by the hole of the reflective sheet.

Abstract: A vehicle display device includes a display device, a reflecting mirror, an optical sensor configured to detect external light, and a controller configured to enable execution of a temperature lowering operation. The display device includes a light transmissive liquid crystal display unit disposed on an optical path of light emitted from a light source and a first optical member disposed between the liquid crystal display unit and the light source and configured to change an optical path of light that enters the first optical member from the light source and passes therethrough toward the liquid crystal display unit. The optical sensor is disposed on an optical path of the external light incident on the display device at a side opposite to the liquid crystal display unit across the first optical member. The first optical member includes a passage on an optical path through which the external light passes.

Abstract: A head-mounted display including a display module is provided. The display module includes a light source configured to provide a light beam and a combiner disposed on a transmission path of the light beam. The combiner includes a plurality of reflective elements spaced apart from each other and obliquely disposed. A maximum width of each of the plurality of reflective elements along an oblique direction thereof is less than 4 mm and greater than 10 ?m.

Abstract: Systems, methods and apparatus related to a method for constructing a field emission device. The method includes providing a metal cathode substrate; shaping a carbon fiber fabric into a pattern, creating a patterned carbon fiber fabric; and brazing at least a portion of the patterned carbon fiber fabric to the metal cathode substrate.

Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. With regard to the phosphor powder, a volume-based median diameter (D50) determined by a laser diffraction scattering method is equal to or more than 10 ?m and equal to or less than 20 ?m, and a diffuse reflectance with respect to light at a wavelength of 600 nm is equal to or more than 93% and equal to or less than 99%.

Abstract: A lighting apparatus includes a light source, a driver module, a light passing cover, a main housing and a manual switch module. The light source includes a LED module. The driver module converts an external power source to a driving current supplied to the LED module. The main housing includes a light source holder for disposing the light source, a driver holder for disposing the driver module, and a light passing holder for disposing the light passing cover for a light of the LED module emitting through the light passing cover. The manual switch module is attached to an external side of main housing. The manual switch module includes a switch housing, a circuit board and a manual switch.

Abstract: The display device includes the first light-emitting element, a second light-emitting element, a first color filter through which light from the first light-emitting element passes, and a second color filter through which the light from the second light-emitting element passes. The relative positional relationship between the center of the first light-emitting element and the center of the first color filter is different from the relative positional relationship between the center of the second light-emitting element and the center of the second color filter.