Abstract: The disclosure relates to diagnostic, surgical, and/or therapeutic devices for being introduced into the human or animal body or for in vitro examination of human or animal blood samples or other body cells, in particular to an endoscope or a disposable endoscope that includes at least one illumination light guide and/or image guide for transmitting electromagnetic radiation, the illumination light guide or image guide having a proximal end face for incoupling or outcoupling of electromagnetic radiation and a distal end face for incoupling or outcoupling of electromagnetic radiation. The proximal and/or distal end faces consist of plastic elements that are transparent at least partially or in sections thereof, the transparent plastic being biocompatible and/or having non-toxic properties to human or animal cell cultures for exposure durations of less than one day. This allows for the production of assemblies for disposable endoscopes, inter alia.

Abstract: Aspects herein are directed to an apparel item having an integrated lighting system and method of forming the apparel item having the integrated lighting system. The integrated lighting system comprises a power supply unit affixed to the apparel item, one or more light arrays having visible light sources affixed to the apparel item, and one or more conductive traces affixed to the apparel item, where the conductive traces extend from the power supply unit to the light arrays and electrically couple the two such that the light arrays are powered when the power supply unit is operating.

Abstract: A backlight unit for blind spot warning lighting includes a printed circuit board (PCB) mounted with a light-emitting diode (LED), a bottom case having the PCB embedded on a lower portion thereof, and having an opened front surface, and a top case comprising a front plate covering a the front surface of the bottom case, and a guide protrusion formed to protrude backward from a rear surface of the front plate to guide the light from the LED to the front plate, and an object of the present disclosure is to provide a backlight unit, which can uniformly emit light while unifying the number of reflection and diffusion layers, and be advantageous for applying a hot wire, thereby improving visibility.

Abstract: The present disclosure provides an aerosol delivery device comprising a control device that is connectable with a cartridge and that can include one or more additional elements for improving one or both of visible indications of use to a user and resistance to infiltration of liquid into the control device. More particularly, the control device may include a light guide configured for transmitting to a window from a light source that is off-set from the window and a controller configured to direct a varying level of light from the light source. The control device may include one or more elements that are configured to limit infiltration of liquids into the control device and thus may be consider to be water-resistant or water-proof.

Abstract: Disclosed in various embodiments of the present document are: a structure including a nonmetallic material and guiding, in one direction, light incident on one side; and an electronic device including the structure in an inner space thereof.

Abstract: An illumination device suppresses a variation in color tone caused by a difference in optical path length from a light source without requiring a complicated manufacturing process. The illumination device includes: a single light source emitting monochromatic light; a light guide body transmitting the light emitted from the light source; a plurality of light emitting portions provided at positions having different optical path lengths from the light source, respectively, to transmit the light; and color conversion layers disposed between the light emitting portions and the light guide body to convert a color of the light transmitted through the light guide body.

Abstract: A waterproof light bulb assembly implements a plurality of light emitting diodes (LEDs) for use in light fixture in an outdoor or wet environment. The light bulb assembly includes a plastic bulb shell which used a threaded portion to mate to a bulb cap. The bulb cap includes a passage to receive a light emitting assembly having a direct current (DC) connector. The light emitting assembly includes the plurality of LEDs and a printed circuit board. A switching circuit regulates current and heat emitted by the plurality of LEDs. The light bulb assembly also includes a socket to receive the plastic bulb shell and bulb cap.

Abstract: An optical system comprises a turning film and a lenticular diffuser. The lenticular diffuser comprises a structured surface comprising a plurality of microstructures comprises a plurality of lenticular prisms separated by substantially flat land areas, the lenticular prisms having a rounded tip and two sides comprising a linear base section and a linear tip section connected by a polynomial blend section.

Abstract: Lighting module disclosed in an embodiment of the invention, a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective layer disposed on the substrate; a resin layer disposed on the first reflective layer and the light emitting device; and a second reflective layer disposed on the resin layer, wherein the resin layer is a front side surface on which light generated from the plurality of light emitting devices is emitted, a rear side surface facing the front side surface, and first and second side surfaces connecting the front side surface and the rear side surface with each other.

Abstract: A device or system includes a light source, an optical waveguide, and a light director. The light source emits illumination light. The optical waveguide includes a light input coupler. The light director receive the illumination light and generates shaped light. The light director adjusts the tilt angle and/or the divergence angle of the illumination light.

Abstract: An optical element includes a substrate, and a multilayer film provided on the substrate. The multilayer film has an average transmittance of 75% or higher for light having a wavelength of 470 nm to 630 nm incident at an incident angle of 0° and a transmittance of 10% or lower for light having a wavelength of 1550 nm incident at an incident angle of 0°. The multilayer film includes a layer made of a first material and a layer made of a second material alternately layered, and a final layer made of a third material disposed on an outermost side, and a predetermined condition is satisfied.

Abstract: A light source module includes a light-emitting device having an upper surface and a lower surface and including: at least one light-emitting element and a plurality of conductive regions on the upper surface of the light-emitting device; a mounting substrate having an upper surface on which a lower surface side of the light-emitting device is located, the mounting substrate including conductive patterns on the upper surface of the mounting substrate, each conductive pattern including a device-side connecting portion and an external side connecting portion; and a plurality of conductive members each having a first end bonded to a respective one of the device-side connecting portion and a second end opposite to the first end, the second end being in contact with a respective one of the conductive region by elasticity to electrically connect the respective one of the conductive regions and a respective one of the conductive patterns.

Abstract: A surface light source includes: a light guide plate having an upper surface and a lower surface located opposite the upper surface, and comprising at least one through hole extending from the upper surface to the lower surface; a wiring substrate located on a lower surface side of the light guide plate and comprising a wiring layer; and at least one light source comprising a light-emitting element electrically connected to the wiring layer of the wiring substrate. The light source is located inside the through hole. The upper surface of the light guide plate has a first region including a plurality of protruding portions or depressed portions. In a plan view, a proportion of an area of the protruding portions or depressed portions per unit area of the first region increases among concentric parts of the first region in the direction away from the light source.

Abstract: An LED device includes a multi-sided heat spreader element with a longitudinal multi-sided wall at least partly enclosing an internal space, with a plurality of LEDs mounted to the outer surface the heat spreader element, and a flow space for a cooling medium in the internal space. The tubular heat spreader element has at least one layer of a thermally conductive metal which is bendable from a flat shape to the multi-sided shape. The multi-sided shape may be tubular with a smoothly curved or multi-faceted polygonal wall. The wall of the LED device may incorporate two-phase cooling elements such as vapor chambers to maintain the LEDs at a constant temperature, and may include a temperature-controlled fan unit to control the LED temperature, and also control the wavelength and frequency of light emitted by the LEDs. A method for manufacturing the LED device is also disclosed.

Abstract: A light emitting device includes a light source, a light guide member, and a defining member. The light source is configured to emit light. The light guide member is configured to guide the light and having a light incident end surface on which the light is to be incident. The defining member is arranged between the light source and the light guide member to define a distance between the light source and the light incident end surface of the light guide member. The defining member includes a light passage member configured to allow the light to pass between the light source and the light incident end surface, and a light transmission member configured to transmit the light between the light passage member and the light incident end surface. The light source is spaced apart from the light transmission member.

Abstract: A light-emitting module includes a light-shielding sheet, a light guide plate, a light barrier, a circuit board, and first and second light-emitting elements. The light-shielding sheet includes a first pattern area and a second pattern area. The light guide plate is disposed under the light-shielding sheet and has a microstructure disposed corresponding to the second pattern area. The light barrier is disposed under the light guide plate and has first and second holes. The circuit board is disposed under the light barrier. The first light-emitting element is disposed on the circuit board, enters the first hole, and is configured to emit light toward a bottom surface of the light guide plate. The second light-emitting element is disposed on the circuit board, passes through the second hole, and is configured to emit light toward a side surface of the light guide plate.

Abstract: A method of making an illumination system with enhanced light utilization using an optical waveguide and a linear array of discrete side-emitting light emitting diode (LED) packages which provide a light source. The method includes providing an optical waveguide formed from a thin and flexible light transmissive sheet having a light input edge, a patterned light extraction area located at a distance from the light input edge, and a light mixing area located between the light input edge and the light extraction area. The LEDs are arranged on a flexible printed circuit board (PCB) which is positioned parallel to the light transmissive sheet and has a substantial portion of its area disposed in a space between the light input edge and an opposite edge.

Abstract: The back plate has four lateral walls and a bottom plate. A back side of the bottom plate includes multiple sets of folding hooks. Each set corresponds a different installation platform. One of the multiple sets of folding hooks is folded to be used for hooking to a corresponding installation platform. The light source module has multiple LED modules disposed on the bottom plate. Each LED module has a LED device and a lens. The lens diffuses a light of the LED device to be evenly emitted from the lens and broadening an output angle of the light via the lens. The diffusion plate with a peripheral edge is fixed to the four lateral walls of the back plate. The driver cover is attached to an external side of one of the four walls of the back plate. The driver cover defines a container cavity for concealing the driver module.

Abstract: A method for manufacturing a light emitting module includes: providing light emitting devices each including a light emitting element having an upper surface, a lateral surface, and an electrode positioned on the upper surface, a first light reflective member arranged on the lateral surface of the light emitting element, and a metal film formed on upper surfaces of the electrode and the first light reflective member; placing the light emitting devices on a light guide plate with gaps between the light emitting devices, with the metal films of the light emitting devices facing upward; forming masks respectively covering the metal films; forming a second light reflective member in the gaps between the light emitting devices on the light guide plate; removing the masks; and forming, on the light emitting devices and on the second light reflective member, wiring segments that connect to the metal films.

Abstract: A light transmitting panel includes a lighting device and a light guide layer. The lighting device emits an input light. The light guide layer is formed from a phase separated glass material that includes a first material phase and a second material phase, wherein the first material phase functions to guide the input light along the light guide layer and the second material phase functions to scatter the input light so that at least part of the input light is directed out of the light guide layer as an output light.