Abstract: A display system includes a light source configured to emit light from a light exit surface, the emitted light having an emitted wavelength. An optical filter is disposed on the light exit surface of the light source. One or more light converting films are disposed between the optical filter and the light exit surface of the light source. The one or more light converting films are configured to receive the emitted light from the light source and convert at least portions of the received emitted light to blue, green, and red lights having respective blue, green and red wavelengths. For a substantially normally incident light and for at least an in-plane first polarization state, the optical filter reflects more than about 80% of the incident light having the emitted wavelength, and transmits greater than about 60% of the incident light for each of the blue, green and red wavelengths.

Abstract: A solar-powered lamp is disclosed. The lamp includes a plurality of radiating extensions, each being formed from a plurality of flat panels that can fold relative to each other along lines between respective ones of the plurality of flat panels; and an electronics assembly, wherein the lamp is collapsible, and the flat panels for each of the radiating extensions fold relative to each other as the lamp is collapsed.

Abstract: Provided are a driving substrate, a backlight, and a display device. The driving substrate includes a plurality of backlight partitions arranged in an array. Each of the plurality of backlight partitions is provided with a first pad set column and a second pad set column, where the first pad set column and the second pad set column comprise arranged along a first direction and each include a plurality of pad sets arranged along a second direction, where the first direction intersects with the second direction. A boundary on one side of the first pad set column facing away from the second pad set column is denoted as a first boundary, and a boundary on one side of the second pad set column facing away from the first pad set column is denoted as a second boundary.

Abstract: Disclosed a backlight lamp panel, a backlight module and a liquid crystal display. The backlight lamp panel includes a substrate body and at least one light-emitting unit, wherein at least one side edge of the substrate body is disposed with at least one splicing tooth and at least one splicing groove for accommodating a splicing tooth on other substrate body, the splicing tooth and the splicing groove are alternately disposed; and at least one light-emitting unit is arranged on a first surface of the substrate body in a matrix, and disposed on the splicing tooth. The substrate body is divided into at least one sub-region, each sub-region includes the light-emitting unit of at least one splicing tooth, and brightness of each sub-region is independently adjusted. A bottom of the splicing groove has a larger size than a notch of the splicing groove.

Abstract: A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.

Abstract: A backlight module includes a plurality of light boards spliced with each other. A splicing seam is defined between adjacent light boards. Each of the light boards includes a top surface including a first surface and a second surface connected to the first surface and disposed on a side of the first surface close to the splicing seam. A plurality of columns of first light-emitting elements are disposed on the first surface. A plurality of second light-emitting elements are disposed on the second surface. At least two columns of the plurality of second light-emitting elements are disposed on the second surface along a direction close to the splicing seam. The first light-emitting elements per column or the second light-emitting elements per column are arranged along an extending direction of the splicing seam. Central light-emitting directions of the second light-emitting elements incline in a direction towards the splicing seam.

Abstract: An apparatus includes at least one first light emitting element configured to emit blue light, a plurality of second light emitting elements each configured to emit green light, a plurality of third light emitting elements each configured to emit red light, a first cooling unit configured to cool the at least one first light emitting element and the plurality of second light emitting elements, and a second cooling unit configured to cool the plurality of third light emitting elements.

Abstract: A backlight module includes a light guide plate and a plurality of light-emitting elements. The light guide plate includes a light-incident surface, an effective light-exiting region, a transition region located between the light-incident surface and the effective light-exiting region, and a light-blocking opening disposed in the transition region. The light-emitting elements are disposed at the light-incident surface and emit light toward the effective light-exiting region. The light-blocking opening is located between a plurality of light-emitting regions formed in the transition region by the plurality of light-emitting elements respectively.

Abstract: A backlight module includes a light bar, a light guide plate located on a light exit side of the light bar, a reflective strip, and at least two cushion pads. The light guide plate includes a first side surface away from the light bar. The reflective strip is attached to the first side surface. Each cushion pad includes a first positioning portion and an avoiding portion. An orthographic projection of the reflective strip on the first side surface is located outside an orthographic projection of the first positioning portion on the first side surface, and is partially overlapped with an orthographic projection of the avoiding portion on the first side surface. The first positioning portion is in surface contact with a portion of the first side surface that is non-covered by the reflective strip. The avoiding portion and the reflective strip have a first interval therebetween.

Abstract: The present disclosure pertains to a color filter for a display device, which has at least one color filter element for generating a predefined color in response to incident light, wherein the at least one color filter element includes a Perovskite material.

Abstract: Disclosed are a curved backlight module and a display device. The curved backlight module includes: an optical film and a lamp board which are oppositely provided, the distance between the optical film and the lamp board being referred to as an optical cavity height; the lamp board is provided with a plurality of lamp bars which extend in a first direction and are arranged in a second direction, a plurality of lamp beads distributed in an array are provided on each of the lamp bars, and the distribution parameters of the lamp beads on each of the lamp bars are the same; and on each of the lamp bars, there is a first distance between two adjacent lamp beads in the first direction, and there is a second distance between two adjacent lamp beads in the second direction.

Abstract: This invention is a compact and portable solar-powered camping light/lamp that utilizes recent advances in bulb and battery technology to produce high-intensity light continuously for up to 12 hours. It is well-suited for use during camping trips, in remote off-grid cabins, homes, and emergencies. The device incorporates a 12V solar panel that charges a standard 12V 12-18 Ah Li-ion (LiFePO4) or Lead-acid battery. The 12V DC battery current is then converted by an inverter to produce 120V AC, which is fed to a standard 120V 15 W LED bulb, producing 1500 lumens of high-intensity light continuously for 9-12 hours. The device is equipped with a cooling fan, can be conveniently carried by its handle, and can be charged using an automobile or other 12V source and also at home with a 120V AC to 12V DC step-down adapter.

Abstract: A light-emitting module includes a light guide member including a first light guide portion including a first upper surface, a first lower surface, a first lateral surface, a first extending portion facing the first lateral surface and extending continuously from a portion of the first lateral surface, and a first hole portion, and a second light guide portion including a second upper surface, a second lower surface, a second lateral surface, a second extending portion facing the second lateral surface and extending continuously from a portion of the second lateral surface, and a second hole portion; a light source unit including a first light source disposed in the first hole portion, and a second light source disposed in the second hole portion; and a first light-reflective member covering at least a portion of the first lateral surface facing the first extending portion and at least a portion of the first extending portion facing the first lateral surface, in which the first extending portion faces the sec

Abstract: According to one or more embodiments, a display device may include: a display panel; a frame located behind the display panel, and to which the display panel is coupled; a substrate located between the display panel and the frame, fixed to the frame, and extending along a length direction; a plurality of light sources successively mounted on the substrate along the length direction of the substrate; and a lens extending along the length direction of the substrate to cover the plurality of light sources, and fixed to the substrate, wherein the lens may include: a first dome portion which forms an upper surface, and is convex; a second dome portion which forms an upper surface, and is adjacent to the first dome portion; a receiving portion recessed from a lower surface of the lens toward the upper surface, and in which the plurality of light sources are located.

Abstract: A downlight apparatus includes a driver, a light source, a light holder, a first switch and a second switch. The driver has a power converter and a controller. The light holder is used for fixing the light source. The holder bottom of the light holder defines a light opening. The light source emits a light from the light opening. The light holder is placed in an installation cavity. The rim structure is connected to the holder bottom. The rim structure has a rim edge concealing the installation cavity. The first switch is provided for users to operate to adjust a setting. The second switch is provided for users to operate to adjust the setting. The first switch is concealed in the installation cavity. The second switch is placed on the rim edge exposed outside the installation cavity. The first switch and the second switch are coupled to the controller.

Abstract: Nicheless lighting assemblies principally for swimming pools and spas are detailed. The lighting assemblies include features configured to dissipate heat. The assemblies additionally are designed to reduce possibility of water intrusion. Some versions of the assemblies may include thermally-conductive plastic overmolded onto at least one of a lens or a heat spreader. Versions of the assemblies additionally or alternatively may include a generally annular heat sink to which a printed circuit board containing at least one light-emitting diode (LED) is attached. Versions of the assemblies may be divided into subassemblies, one subassembly fitting into another, or include protective covers.

Abstract: The present disclosure provides a backlight module including a plurality of light-emitting elements and a light guide plate, in which the light guide plate includes a light-emitting surface, a bottom surface opposite to the light-emitting surface, and a light-incident side connecting the light-emitting surface and the bottom surface. The light-emitting elements are disposed at the light-incident side along a first direction, and the light-emitting surface includes a first region near the light-incident side. The light guide plate includes a plurality of columns extending along the first direction and disposed in the first region of the light-emitting surface and a plurality of microstructure groups, in which each microstructure group includes a plurality of microstructures arranged along a second direction different from the first direction, and each microstructure connects the adjacent two of the columns.

Abstract: Embodiments of the present disclosure include a backlight unit and a display device using the backlight unit comprising a plurality of light emitting elements disposed on a substrate and each having a flip chip structure. A reflector is disposed between the plurality of light emitting elements and includes a plurality of grooves each having a predetermined size on an upper surface of the reflector. A transparent sheet is disposed on the reflector and the plurality of light emitting elements and includes a plurality of optical path changing patterns disposed at positions overlapping the plurality of light emitting elements on an opposite side of a surface of the transparent sheet adjacent to the plurality of light emitting elements and each having a central region thicker than an outer region.

Abstract: A moving body including an external world information acquisition device is autonomously movable based on external world information acquired by the external world information acquisition device. The external world information acquisition device is arranged on an inner side of the moving body than an outer shell member of the moving body, and is formed with an external world information acquisition surface. The outer shell member has an opening portion. The moving body includes a cover member which is provided between the external world information acquisition device and the opening portion. The external world information acquisition surface acquires the external world information via the cover member. The cover member has a flat plate shape, and is arranged to face the external world information acquisition surface, and to be inclined in an upper-lower direction and a left-right direction of the moving body with respect to the external world information acquisition surface.

Abstract: Provided is a grill lighting device for a vehicle including a housing unit positioned on a vehicle body and having a shape whose one side is opened, a light source unit positioned on the housing unit and configured to emit light, a reflective unit provided in the housing unit and configured to reflect light emitted from the light source unit, and a screen unit positioned on the housing unit and configured to cover the opened portion of the housing unit and transmit the light reflected by the reflective unit to generate grill lighting.