Abstract: The present invention is a light generation device utilizing higher efficiency LED's while also allowing for interface with current lighting interfaces. The LED's are replaceable in the unit and may be interchanged with other LED's to affect lighting mood and style or simply for replacement in the event an LED ceases to function.

Abstract: A light emitting diode (LED) lighting unit including power supply housing accommodating a power supply and an LED array housing defining an internal compartment and a lens sealing the internal compartment. A different respective LED array is mounted on at least one of a number of common printed circuit boards accommodated within the internal compartment. The different LED arrays provide different illumination, controlling one or more illumination features such as beamwidth, color and color temperature. Physical isolation is also provided between the LED array housing and the power supply housing to allow for controlled or otherwise restricted access to one or more of the different housings. In at least some embodiments, one or more of the LED array housing and power supply housing are configured with a centrally located chimney, drawing in cooling air from a space provided between the to housings to facilitate cooling of the lighting unit.

Abstract: A backlight module includes at least one light emitting device capable of emitting a light beam, a light guide plate, and a thermal insulation light guide element. The light guide plate has two surfaces opposite to each other and a side surface connecting the two surfaces. The light emitting device is disposed beside the side surface. The light beam enters the light guide plate through the side surface. The thermal insulation light guide element has a light incident surface and a light emitting surface. The light incident surface having at least one first recess is located in a transmission path of the light beam and between the light emitting device and the side surface. The light emitting surface is disposed between the light incident surface and the side surface. The glass transition temperature of the thermal insulation light guide element is higher than that of the light guide plate.

Abstract: A backlight assembly and a liquid crystal display having the same are provided. The backlight assembly includes a plurality of LED packages mounted on a substrate, and a lens unit that seals the LED packages. The lens unit includes a plurality of convex lenses arranged to partially overlap with each other or arranged proximate to each other. Light emitted from LED units in the LED packages is diffused by the interface between the lens unit and another material, such as air, to provide light incident on a light guide plate.

Abstract: A clip light includes a light head, a power source, and a mounting arrangement. The light head includes a light housing having a light window, and a light source supported in the light housing to align with the light window. The power source is supported in the light housing to electrically link to the light source for providing electricity to generate light beam from the light source. The mounting arrangement adapted for detachably mounting the light head at a desired object, wherein the mounting arrangement is movably coupling with the light housing to selectively adjust a light projecting orientation of the light source through the light window with respect to the desired object.

Abstract: Retrofit lighting kits allow for the reuse of fluorescent lighting fixture housings, already in place, while retrofitting new assemblies that increase efficiency, reduce energy consumption and demand, and reduce ongoing maintenance costs. The advantage of one retrofit kit is to quickly replace inefficient T-12 and T-8 ceiling mount 2 bulb fixtures, with a higher quality, and more efficient lighting source, while concurrently lowering the cost of operation, and maintenance. The advantage of another retrofit kit allows the installation of compact fluorescent lamps, of several sizes and configurations, to quickly replace the inefficient T8 and T12 lamps and service equipment, used in troffer style fixtures. Deployment of these kits, reduces electrical usage, eases servicing of the fixture, and reduces heat buildup in the fixture.

Abstract: Disclosed is a lighting device comprising at least one LED and at least one optical element, wherein the LED and the optical element are aligned with each other by means of at least one dowel pin. A method of making such a lighting device is also specified. The described lighting device is particularly well suited for use in a vehicle headlight.

Abstract: Disclosed is a low-beam lamp unit including an LED, a projector lens disposed on an optical axis, a reflector reflecting light of the LED toward the vicinity of a back focus of the projector lens on a vertical cross section, a shade having a front edge portion disposed in the vicinity of the back focus of projector lens to block a portion of light reflected by the reflector, and a re-reflection surface integrally provided in the back of the front edge portion to re-reflect the portion of reflected light blocked by the shade to the projector lens. In the low-beam lamp unit, at least a portion of the re-reflection surface has a light diffusion portion which is a continuously curved surface that is convex toward the reflector in the vertical cross section.

Abstract: An interchangeable power source light device has an AC power sealed-unit that fits into a uniform compartment of the light device housing. The AC power sealed-unit can be replaced by a DC power battery-pack, which also fits into the uniform compartment-means of the light device housing. The light device may have a built-in light source within the housing for connection with the sealed-unit or battery unit by to deliver electric signals from the sealed-unit or battery pack to the light source. Each sealed-unit and battery pack not only has its own power source, but also circuitry and a trigger, and optionally other light source(s) having low power consumption such as an LED(s), electro-luminescent (EL) element, organic LED, or organic EL element.

Abstract: Disclosed herein is a pool light assembly having structure for providing cooling to pools having illumination elements. The light assembly includes a sub-assembly having one or more light elements, preferably high output LED elements. Additionally, the light assembly has a water channel. The LED sub-assembly is located proximate the water channel. In the several embodiments shown, the structure of a typical light assembly has been modified such that the distance between the LED sub-assembly and the water channel is minimized.

Abstract: An apparatus and method for extraction of light from a light conducting medium in a preferred emanation pattern are described. In one embodiment, the apparatus comprises a first light conducting sheet including aspherical particles, and a light source placed along the edge of the first sheet. The first sheet diffuses light generated by the light source such that light emanates in a predetermined light emanation pattern.

Abstract: A backlight module includes a front frame, a backboard, and a light source. The front frame and the backboard define opposite outermost surfaces of the backlight module. The backboard includes a frame and a light-shield plate. The frame is coupled with the front frame. The frame has a plurality of plates surroundingly defining an empty part and at least one side wall extending from one of the plates to be coupled with the front frame. Each one of the plates has a first surface, a second surface opposite to the first surface, and at least one rib and/or trough, and the rib and/or trough is disposed on the first surface and is spaced apart from the side wall. The light-shield plate covers the empty part. The light source is disposed between the front frame and the backboard.

Abstract: A lampshade structure for LED lamps includes at least one light-diffusing bowl structure, a lower end, an interior space and a sidewall. The light-diffusing bowl structure composed by an exterior curve wall and an interior curve wall is located on top of the lampshade to diffuse lights from the LED laterally to the lamp. Both the curvature centers of the exterior curve wall and the interior curve wall are located exteriorly to the lampshade structure. By providing the concave light-diffusing bowl structure to occupy the illumination angle of the LED, the incident rays of the LED to the bowl structure can be partly deflected to leave from the lateral sides of the lampshade so as to emulate the LED lamp as an omni-directional lamp device.

Abstract: A light guide module of a scanning apparatus includes plural side-emitting light emitting diodes and a light-guiding post, which are disposed on a circuit board. The light-guiding post has plural reflective structures corresponding to respective side-emitting light emitting diodes for receiving light beams from respective side-emitting light emitting diodes. A spacing interval between two of the side-emitting light emitting diodes at a middle portion of the circuit board is greater than a spacing interval between two of the side-emitting light emitting diodes at a side of the circuit board.

Abstract: A heat-dissipation structure of an LED lamp is disclosed. The LED lamp includes a metal profile, a lampshade attached to the metal profile from bottom, a lamp head mounted around the combined lampshade and metal profile, a printed circuit board set in receiving recesses bilaterally formed below the metal profile, and LEDs provided on a surface of the printed circuit board facing the lampshade. The heat-dissipation structure is characterized in a downward-bending accurate profile of the metal profile being formed between the receiving recesses, and two pads being each positioned between the flanges and the printed circuit board, the two pads serving to prop two lateral sides of the printed circuit board upward such that the printed circuit board fits the accurate profile and closely contacts the metal profile with increased contacting area. Thereby, the printed circuit board can have heat accumulated in operation rapidly dissipated from the metal profile.

Abstract: An LED light device with changeable function includes at least one LED install within a housing-unit, the housing-unit being arranged to enable change in the orientation, position, or viewing angle of any LED to allow the light device to emit light beams in a desired direction. The LED light device may have an extendable and foldable changing function to become a universal unit to fit all kinds of space, including indoors and outdoors.

Abstract: A light-emitting diode (LED) lens for covering a LED light source includes a lens body made of a transparent material. The lens body has a light-exit surface and a light-entrance portion. The light-exit surface is configured along the longitudinal direction into a pair of convex surface areas and a concave surface area interconnecting the convex surface areas. The concave surface area has minimum dimensions smaller than maximum dimensions of each of the convex surface areas along first and second transverse directions. The light-entrance portion is adapted for receiving the LED light source, and has a light-incident surface. The light-incident surface has a pair of end portions opposite to each other along the longitudinal direction and extending inclinedly away from the light-exit surface and away from each other.

Abstract: A backlight unit includes a bottom cover; a light emitting module on the bottom cover and including a substrate and a plurality of light emitting devices, each light emitting device including a light emitting structure having a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; and a light guide member on the light emitting module and including at least one insertion cavity into which at least one of the plurality of light emitting devices is inserted, wherein the at least one insertion cavity is opened only on one side.

Abstract: A planar light source device including: a point light source; and a light guide plate, wherein the light guide plate includes: an emitting surface; an opposite emitting surface; and a side surface that connects the emitting surface and the opposite emitting surface; wherein the point light source is arranged adjacent to the side surface of the light guide plate, wherein the light guide plate has a cylindrical hole that is formed at a position, which corresponds to the position where the point light source is arranged, and wherein the hole forms an opening at the side surface to emit a portion of the light to the outside of the light guide plate, the portion of the light is emitted by the point light source and the portion of the light being a portion that was not totally reflected at the side surface.

Abstract: A flashlamp cartridge (10) comprises an cartridge portion for a flashlamp (1), cooling device components for a cooling device (11, 12) for the flashlamp, one or more thermal cartridge terminals (13) for the cooling device for thermally connecting the flashlamp cartridge to a socket, and one or more electrical cartridge terminals (14) for the flashlamp for electrically connecting the flashlamp cartridge to a socket. A flashlamp assembly comprises such flashlamp cartridge (10) and a flashlamp (1) accommodated in the flashlamp cartridge. A socket for a flashlamp assembly comprises corresponding electric socket terminals (24) and thermal socket terminals (23). An electrical device comprises such socket.