Abstract: A display device includes a light guide plate that guides light incident from a first light source to cause part of the light to exit from a light exit surface. The light guide plate includes a first outgoing structure region including a plurality of outgoing structures, and the plurality of first outgoing structures have maximum incident directions that make intensity of light exiting in a predetermined direction largest scattered over a first angle range.

Abstract: A light-emitting module is provided. The light-emitting module includes a circuit substrate and a first light-emitting element disposed on the circuit substrate. The light-emitting module also includes an optical pattern disposed on the circuit substrate and adjacent to the first light-emitting element. The light-emitting module further includes a lens covering the first light-emitting element and the optical pattern.

Abstract: The light emitting device includes a light emitting element having an electrode-formed surface on which electrode posts are formed; a covering member covering the electrode-formed surface and lateral surfaces of the light emitting element while forming an exposure portion of each of the electrode posts which are exposed from the covering member; a pair of electrode layers provided on a surface of the covering member and electrically connected to the exposed portions of the electrode posts; and a pair of electrode terminals which are respectively electrically connected to the electrode layers, having a surface area larger than a surface area of the electrode posts, and having an outer edge positioned at an end portion of the covering member; and an insulating member provided between the pair of the electrode terminals while being in contact with lateral surfaces of the pair of electrode terminals.

Abstract: A light emitting module includes: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole that, in a schematic top view, is located between the sectioning groove and the light source placement part; and a light source located in the light source placement part. A refractive index of an inside of the light adjusting hole is lower than a refractive index of the light guide member. In the schematic top view, the light adjusting hole is not positioned on a first straight line connecting a center of the light source and a farthest point in the sectioning groove, the farthest point being farthest from the center of the light source.

Abstract: A lighting apparatus comprising: a mounting substrate being arranged in the lighting apparatus at an angle below 45° with respect to a vertical direction; a plurality of light sources mounted on a lower or vertical surface of the mounting substrate such that at least two light sources are at a different height; a plurality of lens elements provided to the mounting substrate such that each of the light sources is provided with a corresponding lens element; at least two reflector elements provided to the at least two light sources, such that each of the at least two reflector elements has a reflective surface facing the mounting substrate; wherein each of the at least two reflector elements extends between a first edge, located above a corresponding light source as seen in a vertical direction, and a second edge, located below a corresponding light source as seen in a vertical direction.

Abstract: A light-emitting module includes a two-dimensional array of a plurality of light-emitting units. Each of the light-emitting units includes a lightguide plate, a light source, and a light diffusing layer. The light guide plate has a first surface and a first hole portion. The first hole portion has at least one lateral surface and an opening at the first surface. The light source is provided at least partially inside the first hole portion. The light source includes a light-emitting element. The light diffusing layer covers part of the at least one lateral surface of the first hole portion.

Abstract: A linear luminaire includes a channel with a bottom and sidewalls that arise from opposite sides of the bottom. The channel has an upper compartment and a lower compartment, the sidewalls being of a shape and extent such that at opposite ends of the channel, the upper compartment overhangs the lower compartment in a longitudinal direction. An elongate, rigid printed circuit board (PCB) is mounted in the upper compartment of the channel, aligned along the longitudinal direction, the PCB extending to each of the opposite ends of the channel in the upper compartment and having one or more LED light engines mounted thereon. The PCB may be mounted on stand-offs, such that it is above the bottom of the channel and defines the boundary between the upper and lower compartments. The overhung upper compartment creates a cableway space when two linear luminaires are abutted end-to-end or are adjacent.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: An image generator for use in a display device, the image generator comprising a plurality of ILED array chips each comprising a plurality of ILED emitters and arranged in an array such that each of a plurality of pixels of the image generator comprises an ILED emitter from each of a plurality of adjacent ILED array chips. The total area of ILED emitter material be less than 50% of the area of each pixel. The image generator may comprise secondary optics in optical communication with an output of the plurality of ILED emitters of an ILED array chip and configured to direct light from the ILED emitters towards an emission region of the associated pixel.

Abstract: An IR illuminator used during the operation of autonomous vehicles, which provides improvement in the performance of cameras used in the vehicle at night time. An optical design of an outer lens of the IR illuminator is selected so that the outer lens forms a beam pattern for the output light from the IR light source, and also acts as a light guide for light emitted from a secondary visible light source, which is located in the same module as the IR light source, and which may be positioned on the same or a different printed circuit board as the IR light source. The material of outer lens is opalescent including scattering bodies. The optical design of the outer lens allows for improved field of view of the IR illuminator.

Abstract: A light emitting device includes: a mounting board; a plurality of light sources positioned on the mounting board; a light diffusion plate; a half mirror positioned between the light diffusion plate and the plurality of light sources; and a plurality of diffuse reflectors positioned between the mounting board and the light diffusion plate, and above at least part of each emission face of the plurality of light sources. The diffuse reflectors comprise a resin, and particles dispersed in the resin. Each of the diffuse reflectors is positioned in an area that, in the top view, is larger than and includes the emission face of each light source. A density of the particles in said area, in the top view, is higher in a first portion located immediately above the emission face of each light source than in a second portion located around a periphery of the first portion.

Abstract: A headlight device includes a first light source, a shielding part disposed in front of the first light source, and a frame provided between a housing and a lens, the frame including an illumination opening that defines an illumination range for light from the first light source. Thus, it is possible to provide a headlight device that can alleviate glare even when it includes an auxiliary light source.

Abstract: A light-emitting device including a light-emitting unit and a second lens is provided. The second lens includes light-emitting surface, bottom surface, side surfaces and accommodation hole. The bottom surface is disposed opposite to the light-emitting surface, and the side surfaces are respectively connected to the light-emitting surface and the bottom surface. The accommodation hole passes through the second lens and accommodates light-emitting unit. A light-emitting module and a backlight module are also provided.

Abstract: Systems and methods for mounting light emitting diodes for a visual alarm device in multiple planes are provided. The visual alarm device can include a plurality of light emitting diodes (LEDs) mounted on a printed circuit board and configured to flash during an emergency situation, wherein each of the plurality of LEDs can be mounted in a respective one of a plurality of planes.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: A method of forming a structurally reinforced illumination panel which includes providing a multiwall structural panel having a pair of optically transmissive sheets joined with transverse ribs that define a plurality of linear hollow chambers, providing LED strips each including a plurality of interconnected LED sources distributed over a length the LED strip, a step of inserting the LED strips into the linear hollow chambers through open ends of the chambers, and a step of electrically connecting the LED strips to a power supply.

Abstract: A lighting fixture with a driver housing assembly indirectly coupled to a heat sink through an offset mounting bracket. The heat sink having at least one light source attached thereto and the driver housing assembly housing a driver for powering the at least one lighting source. The lighting fixture may include a number of heat sinks with lighting sources to provide various levels of lighting.

Abstract: A type of LED lamp structure and its preparation process are disclosed, where insulation casings are placed over two thin wires extended from the bulb shell to prevent the two electrodes from contacting before they are electrically connected with the driver power supply, usually by welding or winding. The LED lamp structure of the embodiments of the present invention includes: light-emitting components, driver power supply and electrical connection components; the light-emitting components include an LED lamp pole. Thick wires are installed below the LED lamp pole and the thick wires are electrically connected to the LED lamp pole; the driver power supply includes the driver circuit board and the driver circuit board is connected to the female connector for plugging to the thick wires, so that the thick wires are electrically connected to the driver power supply through the female connector.

Abstract: The present invention relates to a lighting unit of an automotive headlamp comprising: a series of two or more reflectors arranged side by side and coincident with each other; at least two light sources are arranged per reflector and disposed such that each light source provides light rays to the reflector targeted immediately adjacent to a focal point of the corresponding reflector and on opposing sides of the focal point; and the at least two light sources for each reflector are rotationally arranged at a set positional angle relative to the at least two light sources of the coincident reflector to produce a centered output beam.

Abstract: A collapsible light tunnel includes pairs of vertical, (optional angled) and overhead light panels collapsibly coupled together and moveable between a stowed position and a deployed position. The light panels include strips of LED lights, light diffusers, and fixtures/brackets for maintaining the panels in the deployed position. The overhead (and angled) light panels are collapsible adjacent the vertical panels in the stowed position.

Abstract: An array of non-thermal plasma emitters is controlled to emit plasma based on application of an electric current at desired frequencies and a controlled power level. A power supply for an array controller includes a transformer that operates at the resonant frequency of the combined capacitance of the array and the cable connecting the array to the power supply. The power into the array is monitored by the controller and can be adjusted by the user. The controller monitors reflected power characteristics, such as harmonics of the alternating current, to determine initiation voltage of the plasma and/or resonant frequency plasma emitters.

Abstract: The present invention relates to technical filed of display and discloses a reflective assembly, a backlight module and a display device which can effectively enhance the reflective effect at the edge area of the reflective assembly to improve the display brightness thereof to be in close proximity to the central area so as to achieve a uniform display. The reflective assembly comprises a first reflective plate and a second reflective plate configured along an edge of the first reflective plate, wherein the second reflective plate is inclined towards a direction facing away the first reflective plate with respective to a plane perpendicular to the edge of the first reflective plate, and wherein a reflective surface of the first reflective plate and a reflective surface of the second reflective plate are located at a same side.

Abstract: A light string includes at least two conductor wires each covered with an insulating coating defining plural holes acting as electrical bare spots, a controller with an input terminal connected to an external power supply and an output terminal electrically connected to the at least two conductor wires, and plural light sources. Each light source includes one or more LEDs and a circuit board having a first surface used for fixing the one or more LEDs and a second surface defining at least two conductive strips across the second surface. The at least two conductive strips are electrically connected to the at least two conductor wires through the electrical bare spots, respectively. Each connecting part between the conductive strips and the conductor wires is wrapped around by a light transmissive glue. Two conductive ends of each LED are electrically connected to two of the at least two conductive strips.

Abstract: A head-up display includes an optical system that radiates light forming a projected image toward an eye box. The eye box is a predetermined range in which eyes of an observer are assumed to be present. The optical system includes a Fresnel lens having a bumpy surface having a sawtooth-shaped cross-section. The bumpy surface is formed concentrically around an optical axis, and formed by alternately disposing first surfaces as light condensing surfaces that allow incident light to converge toward a focal point, and second surfaces as wall surfaces that do not allow the incident light to converge toward the focal point. The second surfaces are inclined with respect to the optical axis of the Fresnel lens at an angle to reflect the incident light striking the wall surfaces, in a direction toward outside of a range of the eye box.

Abstract: A light source module includes a substrate, a reflective assembly and a plurality of point light sources. The reflective assembly is disposed above the substrate and has a plurality of first partition plates disposed along a first direction, a plurality of second partition plates disposed along a second direction and a plurality of reflective structures. The first and second partition plates cross with each other to form a plurality of reflective holes. An upper surface of the substrate is partially exposed to the reflective holes. The reflective structures are disposed in the reflective holes respectively. The first partition plates, the second partition plates and the reflective structures are integrally formed. The point light sources are disposed above the substrate, located in the reflective holes respectively, and located below the reflective structures respectively. Thus, the light source module can significantly reduce the light mixing distance.

Abstract: A light emitting device includes: a mounting board; a plurality of light sources positioned on the mounting board; a light diffusion plate; a half mirror positioned between the light diffusion plate and the plurality of light sources; and a plurality of diffuse reflectors positioned between the mounting board and the light diffusion plate, and above at least part of each emission face of the plurality of light sources.

Abstract: A diffusive ultraviolet illuminator is provided. The illuminator can include a reflective mirror and a set of ultraviolet radiation sources located within a proximity of the focus point of the reflective mirror. The ultraviolet radiation from the set of ultraviolet radiation sources is directed towards a reflective surface located adjacent to the illuminator. The reflective surface can diffusively reflect at least 30% the ultraviolet radiation and the diffusive ultraviolet radiation can be within at least 40% of Lambertian distribution. A set of optical elements can be located between the illuminator and the reflective surface in order to direct the ultraviolet radiation towards at least 50% of the reflective surface.

Abstract: An electronic device includes a housing and a water tight display disposed within the housing. The display may include a light guide and a gasket coupled to at least a portion of the light guide. A cavity may be interposed between the gasket and the light guide. A flexible printed circuit assembly (FPCA) may couple to the light guide and the gasket to seal an opening of the cavity. Light sources may be connected to the flexible printed circuit assembly and disposed within the cavity. Adhesive tape may couple to the light guide and the gasket on a side opposite the FPCA to seal an opening of the cavity. Collectively, the light guide, the gasket, the flexible printed circuit assembly, and the adhesive tape may prevent water from reaching the cavity.

Abstract: A handle lighting assembly for an appliance includes features that allow a consumer to readily change the color of the light emitted from the handle lighting assembly as desired. In one exemplary aspect, the handle lighting assembly includes features that allow a consumer to readily interchange colored films to and from the handle lighting assembly based on the desired emitted light color.

Abstract: A work vehicle according to the present invention includes: a recessed portion (4) that is provided in a lateral side surface (31a) of an engine hood (30) and is recessed from the lateral side surface (31a) toward the inside of the engine hood (30). The recessed portion (4) includes a recessed portion bottom surface (41) that is recessed inward from the lateral side surface (31a) of the engine hood (30), and a peripheral wall portion (42) that is continuous with a peripheral edge of the recessed portion bottom surface (41) and a peripheral edge of a recessed portion inlet opening (40) that is formed in the lateral side surface (31a). A work light (5) that emits light forward and downward is provided on the peripheral wall portion (42).

Abstract: A luminaire includes a housing and a light engine. The light engine is detachably secured to the housing and includes a lens and an optical tray. The lens has a top surface, a bottom surface, and a peripheral edge. The top surface of the lens define a lens cavity. The optical tray is supported by the lens within the lens cavity.

Abstract: The proposed method and device relate to the field of lighting technology and are intended for generating a light output indoors such as to provide uniform lighting. The housing of an elongate cornice lamp is comprised of the following components, fastened to one another: a primary plate for accommodating LED strips which generate a light output, a plate for reflecting the light output, a plate for restricting the light output, and a mounting plate. An electric power supply is disposed inside the cavity of the housing.

Abstract: Systems and methods for mounting light emitting diodes for a visual alarm device in multiple planes are provided. The visual alarm device can include a plurality of light emitting diodes (LEDs) mounted on a printed circuit board and configured to flash during an emergency situation, wherein each of the plurality of LEDs can be mounted in a respective one of a plurality of planes.

Abstract: A LED lighting device comprises a lighting body extending along an axis and internally provided with a chamber housing a LED light source and is delimited by at least one lateral wall consisting of a diffuser having an outer surface defining an emission surface of the device; the diffuser is an opaline diffuser having a transmission coefficient greater than or equal to 50% and a reflection coefficient greater than or equal to 45%.

Abstract: A lighting device including an upper casing, a light emitting diode (LED) light source, a first reflective plate and a packaging lens is disclosed. The upper casing includes a supporting member. The LED light source is disposed on the supporting member. The first reflective plate is disposed on the supporting member and is separated from the LED light source by a first distance. The first reflective plate and a normal line of a supporting surface of the supporting member form a first angle which is greater than 0° and smaller than 40°. The packaging lens is disposed on the supporting member and covers the LED light source and the first reflective plate.

Abstract: A light fixture having master circuit boards and one or more LED circuit boards connectable in various alternative combinations for light fixtures having alternative lengths, the master board including a switch and AC-DC rectifier and the LED boards including linear AC drivers and one or more LED arrays, the switch on the master board controlling the linear AC drivers on the LED board or boards.

Abstract: A light emitting device includes: a package forming a recess, having a first lead and a second lead arranged on a bottom surface of the recess and a resin section on a lateral wall of the recess to fix the leads, and being in a substantially rectangular shape surrounded by upper sides of the lateral walls of the recess; a light emitting element arranged on the first lead and being in a parallelogram shape; a second wire electrically connecting the light emitting element to the second lead; and reflective members covering inner surfaces of the lateral walls on a diagonal line at corners in the recess, wherein one side of the light emitting element adjacent to the second lead is substantially in parallel to one side of the first lead or the second lead.

Abstract: A lighting fixture with a driver housing assembly indirectly coupled to a heat sink through an offset mounting bracket. The heat sink having at least one light source attached thereto and the driver housing assembly housing a driver for powering the at least one lighting source. The lighting fixture may include a number of heat sinks with lighting sources to provide various levels of lighting.

Abstract: A display apparatus, comprising: a display panel configured to display an image; a support plate which is disposed on a rear side of the display panel and supports a light source; and a support cylinder which is disposed between the support plate and the display panel, which is provided along an edge portion of the support plate, and which is made up of a plurality of sheet metal members.

Abstract: A light source may comprise a thermally conductive frame comprising a base and a faceted portion extending from the base. The faceted portion may comprise a plurality of facets spaced circumferentially thereabout. Additionally, a hollow passageway may extend through the base and axially through the faceted portion. A plurality of LED chips may be arranged on the plurality of facets to provide an emission of light in an arc of 360 degrees.

Abstract: A direct back-lit light guide structure is applied to a light guide plate and a back-lit module. The light guide plate has a light-ejection surface and a light-inject surface opposite to the light-ejection surface. The back-lit module comprises at least one point-light source located on the light-ejection surface. The direct back-lit light guide structure comprises at least one asymmetric concave structure formed on the light-ejection surface, and each the point-light source is corresponding to one asymmetric concave structure in such a manner that the point-light source projects light directly toward the asymmetric concave structure. Each the asymmetric concave structure has a central lowest point. The point-light source is located right below the central lowest point. The direct back-lit light guide structure has advantages of better optical uniformity, higher illumination efficiency, fewer point-light sources required, lower cost, narrower side-frame and thinner light guide plate.

Abstract: A direct-type backlight optical simulation apparatus and system are provided. The apparatus includes a diffusion plate, a supporting plate for the diffusion plate, an MF device and a platform, a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform includes slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other. The MF device includes an MF fixing device, an MF reflection plate and an MF angle adjustment device. The MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.

Abstract: Today the use of false ceilings is decreasing as it involves too high an energy consumption. The tendency nowadays is to have bare concrete ceilings onto which luminaires are mounted, which often causes acoustical problems. The invention deals with these acoustical problems and relates to an illumination device (1) comprising a concave reflector (2) bordering, with an outer edge (3), on a light emission window (4). The reflector has a reflective surface (7) facing the light emission window. The illumination device further comprises lamp holding means (8) for accommodating a light source (9), and said lamp holding means being positioned in between the reflective surface and the light emission window. The illumination device is characterized in that the reflector is made of acoustically absorbing material.

Abstract: A lighting fixture with a driver housing assembly indirectly coupled to a heat sink through an offset mounting bracket. The heat sink having at least one light source attached thereto and the driver housing assembly housing a driver for powering the at least one lighting source. The lighting fixture may include a number of heat sinks with lighting sources to provide various levels of lighting.

Abstract: A headlamp includes heat sink structure for positioning a light emitting diode at an angle offset from the longitudinal axis of the headlamp and a reflector lens subassembly including a reflector portion and a light transmissive portion. The reflector portion includes a reflective surface for directing light from the light emitting diode towards the light transmissive portion. The reflector lens subassembly includes an upper rim with alignment features for engaging the perimeter of the heat sink structure to define a sealed three-dimensional space within the headlamp and to facilitate positioning of the light emitting diode with respect to the reflector lens subassembly.

Abstract: A light guide body configured to guide at least first and second light having different colors that enter the light guide body from at least one light source has a light exit surface having a light emitting region that emits the first light and the second light from the at least one light source, and a reflection region that reflects, toward the light emitting region, the first light and the second light that enters the light guide body. The reflection region has a first pattern region where a plurality of first reflection patterns that reflects the first light are arranged, and a second pattern region where a plurality of second reflection patterns that reflects the second light are arranged. When viewed from a direction perpendicular to the light exit surface, the first pattern region and the second pattern region at least partially overlapping with each other.

Abstract: A backlight unit includes a bottom cover; a plurality of light sources on the bottom cover; a first support side at an area directly along a first edge of the bottom cover adjacent to a corner of the bottom cover; and a second support side directly adjacent to the first support side and along the first edge of the bottom cover. The first support side includes a first vertical portion, and a first inclined portion connected to a top of the first vertical portion. The second support side includes a second vertical portion, and a second inclined portion connected to a top of the second vertical portion.

Abstract: Provided is a lighting unit, including: a support substrate; a light guide plate for guiding light generated from a light source; and a first stopper fixed to the support substrate and configured to support the light guide plate.

Abstract: An exterior aircraft light unit for emitting light of a first wavelength and light of a second wavelength, different from the first wavelength is disclosed. The exterior aircraft light unit has an integrated optical structure, which in turn has a first light source configured to emit the light of the first wavelength, a second light source configured to emit the light of the second wavelength, the second light source being positioned adjacent to the first light source, and an optical element for shaping a light emission distribution of the integrated optical structure. The optical element is arranged with respect to the first light source and the second light source in such a way that it affects both the light of the first wavelength and the light of the second wavelength.

Abstract: A lamp for a vehicle is provided and includes a first lamp module having an interior lens and at least one first light source. The first light source is configured to emit light toward the interior lens. Additionally, a second lamp module is disposed on a first side of the first lamp module and emits light and a third lamp module is disposed on a second side of the first lamp module and emits light and has an emission area that is different from the second lamp module.