Abstract: A backlight includes a light source and one or more light recycling films. The light source generates light that exits the light source with an angular exit distribution. The light recycling films are oriented in relation to the light source so that the prism peaks of the recycling films are oriented away from the light source. The recycling films have a range of optimal incident angles that allow light to pass through the recycling films without recycling. The components of the light source, the characteristics of the recycling films, or both, are configured to control the overlap between the exit distribution of the light source and the optimal incident angle range of the recycling films.

Abstract: A LED light bulb simultaneously using as nightlight contains: a LED element, at least one LED filament, a base, a driving circuit, and a light guiding element. The base includes a hollow cavity for accommodating the driving circuit and LED element which electrically connects with the driving circuit, the base also includes an electrical fitting electrically connected with the driving circuit and a bulb holder. The light guiding element is made of photoconductive material and coupled with the base, and the light guiding element includes a light entering end corresponding to a light emitting end of the LED light to guide lights from the LED element. The at least one LED filament is electrically connected with the driving circuit and surrounds around the light guiding element, and the at least one LED filament is supported by the light guiding element to emit the lights.

Abstract: A backlight assembly includes an upper reflective layer including a plurality of first openings; a lower reflective layer secured to the upper reflective layer; a light guide plate disposed between the upper and lower reflective layers; an opaque shading layer disposed on one surface of the upper reflective layer; and a circuit board disposed above the shading layer and including a circuit and a plurality of second openings. Light with enhanced brightness is transmitted to bottoms of keycaps of an input device of a 3C product with energy consumed to a minimum during light transmitting.

Abstract: The present invention relates to an optical device substrate comprising: unit block substrates wherein a flat panel metal substrate are partitioned into n (n>1) number of optical device attachment areas, and the insulating members are formed inside the metal substrate in a way that the adjacent partitioned areas are insulated; first horizontal insulating members for insulating between the unit block substrates being stacked; outer metal electrode substrates bonded to the unit block substrates located in the upper end and the lower end among the unit block substrates being stacked; second horizontal insulating members for insulating between the outer metal electrode substrates and the unit block substrates; a pair of inner metal electrode substrates inserted instead of the first horizontal insulating members into more than any one of the adjacent unit block substrates; and third horizontal insulating members for insulating the pair of inner metal electrode substrates.

Abstract: An LED lighting apparatus is provided. The LED lighting apparatus comprises: an LED module; a heat dissipation member; and a connection member for connecting the LED module and the heat dissipation member mechanically and heat-conductively. The heat dissipation member comprises a reflective surface for reflecting light from the LED module.

Abstract: A method of manufacturing an optical probe for use in ophthalmic procedures can comprise: positioning a ferrule within a proximal portion of a cannula, wherein an optical fiber extends at least partially through the ferrule towards an optical element disposed within a distal portion of the cannula; and coupling the cannula to the ferrule by applying laser energy to the cannula. An optical probe can be provided that includes a cannula including a proximal portion and a distal portion; a ferrule disposed within the proximal portion of the cannula, the cannula and the ferrule coupled together by engaged deformations in the cannula and the ferrule; and an optical fiber positioned at least partially within the optical probe, the optical fiber configured to receive a light from a light source and guide the light to an optical element positioned within the distal portion of the cannula.

Abstract: In embodiments of an imaging structure with embedded light sources, an imaging structure includes a silicon backplane with a driver pad array. The embedded light sources are formed on the driver pad array in an emitter material layer, and the embedded light sources can be individually controlled at the driver pad array to generate and emit light. A conductive material layer over the embedded light sources forms a p-n junction between the emitter material layer and the conductive material layer. Micro lens optics can be positioned over the conductive material layer to direct the light that is emitted from the embedded light sources. Further, the micro lens optics may be implemented as parabolic optics to concentrate the light that is emitted from the embedded light sources.

Abstract: The present invention relates to a lighting device for vehicles. The lighting device has a flat optical waveguide containing two opposing flat sides, a light input surface for the entry of light, and a light output surface for emitting the entering light at a light output side of the flat waveguide. The light input surface has a central input section disposed in the main beam direction in front of the light source, and an outer input section adjacent thereto. The central input section and the outer input section are shaped such that a first sub-light bundle of the light striking the central input section strikes a central region of a sub-surface of the light output surface disposed in the main beam direction in front of the light input surface after being reflected at the flat sides. A second sub-light bundle of the light source, striking the outer input section, strikes an outer region of the same sub-surface, adjacent to the central region.

Abstract: A light guide plate having a rectangular plate-like shape includes a light entrance surface, a light exit surface, an opposite plate surface, and a light reflection pattern. The light entrance surface is a peripheral surface. The light exit surface is a plate surface. The opposite plate surface is opposite from the light exit surface. The light reflection pattern includes light reflection portions having distribution densities different from section to section of the opposite plate surface. The distribution densities are defined such that a difference between the distribution density in a section in the middle row and each end column and the distribution density in a section in the middle row and the middle column is larger than a difference between the distribution density in a section in the end row and each end column and the distribution density in the section in the end row and the middle column.

Abstract: An apparatus includes a substrate and an LED attached to the substrate via conductive pads on a first side of the LED. The LED includes a first reflective element disposed adjacent the first side of the LED so as to reflect light in a direction away from the substrate, and a second reflective element disposed adjacent a second side of the LED that opposes the first side of the LED. The second reflective element disposed so as to reflect light primarily in a direction toward the substrate.

Abstract: An illustrative remodel light assembly for installation from a front side surface of a ceiling or wall panel, such as drywall, includes a collar inserted though and secured to a panel cutout with bendable fingers, a light housing, a light trim including a trim flange, the flange for abutting a front side surface of the panel, and a plurality of self-actuating spring clips coupled to an outer periphery of one of the light housing and light trim, the self-actuating spring clips engaging the collar. The collar provides a secure structure that lines the cutout and upon which the trim flange and self-actuating spring clips secure the light assembly.

Abstract: This invention relates to a light linking system, which includes a plurality of casings and lamps, and two binding members as main components combined together. Said casing is a hollow shell structure provided with a first housing and a second housing, said first housing has a first inner recessed annular wall which is in line with the shape of the lamp, the first housing is provided with a first hinge mount and a second hinge mount set correspondingly on both sides of the first housing, to connect the first hinge mount and second hinge mount of adjacent casings correspondingly. Said first hinge mount and second hinge mount set with the limiting members(s) to get a pre-determined angle range and limit the bending angle range of adjacent casings. Said second housing has a second inner recessed annular wall which is in line with the shape of the lamp for clamping the lamp together by the first inner recessed annular wall of first housing and the second inner recessed annular wall of second housing.

Abstract: An optical device for a motor vehicle, notably a lighting and/or signaling device for a motor vehicle, comprising a surface light source, wherein the device comprises a light beam shaping member which deflects first light rays of the beam emitted by one face of the surface light source, this member not deflecting second light rays of the beam emitted by the same face of the surface light source.

Abstract: A system is provided for mounting a lamp having a plurality of different types of mounting members. One of the mounting members is a rigid tray mountable by fasteners flush upon a surface of a vehicle to enable an on-surface mounting mode, and other of said mounting members, such as a grommet or bracket, are mountable at least partially in an opening or hole when present along such surface of a vehicle to enable an inset mounting mode. The different mounting members each engage a common shape housing of the lamp, such as round or oval, so that by selection of one of the mounting members, on-surface or inset mounting of the lamp can readily be achieved. One or more common engagement features are provided along the housing to facilitate engagement of the housing of the lamp by mounting members in on-surface and inset mounting modes.

Abstract: A display device includes a lower frame arranged on a side opposite to a display surface of a display panel. The lower frame includes a bottom wall portion, and a side wall portion that is formed so as to surround the bottom wall portion at an edge thereof. The display device also includes a plurality of light sources arranged along the side wall portion of the lower frame and a heat sink configured to dissipate heat generated from the plurality of light sources. The heat sink includes a plurality of groove portions that are formed along the bottom wall portion in a direction extending from the plurality of light sources.

Abstract: In a first aspect of the present inventive subject matter, a lighting device includes a light-emitting device 1 including p-contact and n-contact that are separately arranged from each other on a first surface of the light-emitting element and a phosphor layer including a phosphor particle and covering the light-emitting element 1 except the p-contact and n-contact of the light-emitting element, the phosphor layer includes a higher density of the phosphor particle on a position of the first surface between the p-contact and the n-contact of the light-emitting element than on a position of a second surface that is an opposite surface of the first surface 1b of the light-emitting element.

Abstract: A lighting unit including devices for emitting a luminous flux in the direction of a reflector featuring devices for optical deflection of the flux toward the outlet of the unit, the reflector including a support wall that is fastened to the optical deflection devices and is disposed across the optical deflection devices so as to be disposed between the optical deflection devices and the emission devices. The support wall includes a masking portion that is disposed facing the emission devices and a so-called cut-off edge of which is cut away so as to form a mask integral with the support wall adapted to allow to pass only a portion of the rays emitted by the emission devices. The invention also concerns a motor vehicle headlamp, notably in that it includes two lighting units disposed transversely side by side.

Abstract: There are provided a light emitting device package and a method for manufacturing the same. The light emitting device includes: a plurality of barriers provided above a metal circuit board; a plurality of light emitting devices placed in a space between the barriers; and a lens unit provided at an upper side of the barrier. Accordingly, the plurality of light emitting devices can be conveniently seated as a module format, and a luminance can be increased. Also, an efficiency of heat sink can be increase.

Abstract: There is provided a temperature measurement method for measuring a temperature of an ultraviolet light transmittance member transmitting ultraviolet light. The method includes: detecting ultraviolet light transmitted through the ultraviolet light transmittance member using a spectroscopic measurement unit, and obtaining an absorption edge wavelength of the ultraviolet light transmittance member; and deriving a temperature of the ultraviolet light transmittance member on the basis of the obtained absorption edge wavelength.

Abstract: The invention relates to a lighting device (1) for a motor vehicle headlight, wherein the lighting device (1) has at least one reflector (10, 11, 12, 13), and assigned to the at least one reflector (10, 11, 12, 13) is at least one light source (20, 21, 22, 23), and light from the at least one light source (20, 21, 22, 23) is radiated into a region in front of the lighting device (1) by means of the reflector (10, 11, 12, 13) in order to form a light distribution or a part of a light distribution. The lighting device (1) has at least one, preferably exactly one reflector support (30), and the at least one reflector (10, 11, 12, 13) is fixedly attached to the at least one reflector support (30), and the at least one light source (20, 21, 22, 23) is arranged on at least one light source support (40, 41, 42, 43), and the at least one light source support (40, 41, 42, 43) is movably mounted on the reflector support (30) and can be fixed in a defined position relative to the reflector support (30).