Abstract: A back-light source comprises a plurality of light-emitting devices, each light-emitting device having a light-emitting package and a lens surface. In at least some of the light emitting devices, the radius of curvature in one direction of the lens surface is different from the radius of curvature in another direction such that one of the radii of curvature of the lens is greater than the other radius of curvature. In particular, one radius of curvature is equal to or smaller than half the length of the device. The other radius of curvature is equal to or greater than half the length of the device. As such, the lens has different focal lengths in different directions. The light-emitting package can have a plurality of light-emitting sources of a single color or of different colors.

Abstract: A lighting system is described. One embodiment of the lighting system includes a light guide, a first lighting device, and a second lighting device. The light guide receives light along a transmission interface. The first lighting device has a first plurality of lighting elements coupled to a first substrate between a first pair of reflector walls. The first substrate and the first pair of reflector walls define a first exposed side of the first lighting device. The second lighting device has a second plurality of lighting elements coupled to a second substrate between a second pair of reflector walls. The second substrate and the second pair of reflector walls define a second exposed side of the second lighting device configured to match the first exposed side of the first lighting device. Using lighting devices without sidewalls illuminates a diffusion panel so that there are no dark spots.

Abstract: To provide a headlight device, in which a change of the region of illumination afforded by the headlamp can be initiated substantially punctual to the start of cornering of the motorcycle, the headlight device includes a headlamp for illuminating forwardly of the motorcycle, a light-distribution adjusting mechanism for changing a region of illumination, a bank angle detecting unit for detecting a bank angle ? of the motorcycle in reference to an angular velocity ?y about a vertical axis of the motorcycle, an angular velocity ?r about a longitudinal axis of the motorcycle and a motorcycle velocity v, and a light-distribution controller for controlling the light-distribution adjusting mechanism based on the detected bank angle ? to change the region of illumination into an area further away from and at least inwardly of a direction of turn of the motorcycle during a cornering.

Abstract: A floor mat system that includes a mat having a decoratively shaped first portion that allows light to transmit therethrough and is surrounded by a second portion that does not allow light to transmit therethrough. A light source is positioned beneath at least the first portion of the mat. When activated, the light source shines through the first portion and thereby illuminates and draws attention to the decorative image. The light source is coated in a polycarbonate resin film to protect and strengthen the same against damage as people walk over the mat. A non-transparent coating may be applied to selective regions of the protective film to create the same decorative transparent image therein and to thereby allow light to only be emitted from a particular region of the light source. The mat may be made from a flow-through material, a non-flow-through material with a gripping upper surface and wells; or a combination of flow-through and non-flow-through material.

Abstract: A decorative light cover for an outdoor light source includes a substantially rigid skin with a shape that defines a void within an interior of the skin, an opening in a first portion of the skin, and an ornamental design on a second portion of the skin, wherein the opening is able to accept into the void a light source affixed to a structure, the skin is able to adhere to at least a portion of the light source, and the ornamental design is able to receive light from a light-radiating portion of the light source and allow the light to project through and away from the skin.

Abstract: An axial direction of an output shaft of a motor is perpendicular to an axial direction of a shaft that moves back and forth with respect to a housing unit. A plurality of power-supplying terminals is symmetrically arranged with respect to a vertical line passing through a center of the shaft.

Abstract: A backlight assembly includes: an EEFL (external electrode fluorescent lamp) including an external electrode through which a driving voltage is applied, and a lamp for emitting light; a side support for supporting the EEFL; and a protective cap disposed above a portion of the external electrode, the portion of the external electrode being exposed out of the side support.

Abstract: A lamp module is constructed of a light source part made of a semiconductor light emitting element, and an optical member for distributing light emitted from the light source part. The light source part includes a surface-emitting laser element in which plural light emission parts are parallel arranged on a surface, a mask which is disposed on a surface of the surface-emitting laser element and includes plural mask openings for exposing the light emission parts, and fluorescent substances with which the mask openings are filled. By forming the light source part in a monolithic configuration, an array pitch of the plural light emission parts can be decreased, a light source can be miniaturized and also a lamp can be further miniaturized.

Abstract: A ventilation/illumination duct is disclosed which can not only ventilate an indoor space, but also can illuminate the indoor space. A ventilation/illumination system using the ventilation/illumination duct, and a control method for the ventilation/illumination system are also disclosed. The ventilation/illumination system includes a ventilation device for blowing air, a light supplying device for supplying light, a ventilation/illumination duct for not only guiding the air blown by the ventilation device, to ventilate an indoor space, but also totally reflecting the light, to illuminate an indoor space, and a cleaner arranged in the ventilation/illumination duct.

Abstract: An adjustable utility light having a body section, two independently movable hooks, a pivoting lamp section having fluorescent tubes and/or light emitting diodes, a component retention tray, at least one keyhole mounting slot, and a movable reflector, wherein the pivoting lamp section and the movable reflector pivot about the same pivot axis.

Abstract: A lighted chair rail comprises a frame secured to a wall and a horizontal facia mounted on the frame and positioned in a spaced apart relationship to the wall. Light bulbs supported on the frame direct light through a lens mounted on the horizontal facia onto the wall. The horizontal facia may also include decorative items.

Abstract: The decorative light device has a stylized shape of a Christmas tree, or a snow flake. It comprises a transparent or translucent solid plastic member having an elongated solid plastic main body and a plurality of side branches extending outward therefrom at an angle at a plurality of junctions. A light refraction opening is formed at the main body and located adjacent to each one of those junctions. An LED light source is located at a bottom end of the main body and is operative to provide a single or a series of flashing lights of various sequential colors for illuminating the main body and the side branches. A stylized snow flake can be made with a plurality of these solid plastic members mounted in an evenly spaced manner around the periphery of a center mounting member.

Abstract: A backlight assembly includes a plurality of light emitting diodes (LEDs), a light guiding plate disposed on the same plane as the LEDs, and a plurality of optical correcting portions formed on a side of the light guiding plate and spaced apart from each other by a predetermined distance to change an optical path.

Abstract: A housing of a projection apparatus suitable for accommodating a heat source is provided. The housing includes an outer casing and a heat conductive element. The outer casing has an inner wall. Furthermore, the outer casing is suitable for enclosing the heat source. The heat conductive element is disposed on the inner wall between the outer casing and the heat source. Moreover, an insulated chamber is formed between the heat conductive element and the outer casing. The insulated chamber prevents the heat source from directly heating the outer casing and provides a better heat insulation.

Abstract: A light emitting assembly (50) includes a metal circuit board (54) having a first surface and an opposite second surface, a light emitting module (52) mounted on the first surface of the metal circuit board, and a cooling module (58) attached to the second surface of the metal circuit board. A backlight device (90) includes a reflection plate (91), a diffuser sheet (93) disposed on the reflection plate and a plurality of light emitting assemblies (92) regularly arranged between the reflection plate and the diffuser sheet. Each light emitting assembly includes a metal circuit board (922) having a first surface and an opposite surface, a light emitting module (921) mounted on the first surface of the metal circuit board and a cooling module (923) attached to the second surface of the metal circuit board. The present light emitting assembly and backlight device can increase heat abstraction efficiency.

Abstract: A lamp shade includes a lower support ring, an upper support, a shade body, a plurality of connecting members, and a plurality of support bars. Each of the connecting members is formed with an opening and a protruding straddle portion. The straddle portion of each of the connecting members has an insertion slot and two breaches. Each of the distal ends of each of the support bars is formed with a protruding insert inserted through either one of the two breaches into the insertion slot of the respective connecting member of the upper support ring and the lower support ring respectively so that the insert of each of the support bars is inserted into the insertion slot of the respective connecting member easily and quickly.

Abstract: An illuminator and surgical illumination system are disclosed, one embodiment of the surgical illumination system comprising: a light source for providing a light beam; an optical cable, optically coupled to the light source for receiving and transmitting the light beam; a handpiece operably coupled to the optical cable; an optical fiber assembly operably coupled to the handpiece, wherein the optical fiber assembly is optically coupled to the optical cable to receive and transmit the light beam and wherein the optical fiber assembly comprises a plurality of fiber guides, wherein each fiber guide comprises a cladding having one or more fiber cores for transmitting and scattering the light beam to illuminate the surgical field, and a cannula, operably coupled to the handpiece for housing and directing the optical fiber assembly. The surgical illumination system can further comprise a separator operable to maintain a spacing between the fiber guides.

Abstract: A lighting device having a light source, light pipe, and a light-dispensing element is disclosed. The light source emits light at a first wavelength and transmits that light to the light pipe. The light dispensing emitter includes an extended section coupled to the light pipe that emits light along the extended section, the extended section having a side surface through which light exits from the extended section. The extended section can include a medium that is transparent to light of the first wavelength and a plurality of scattering centers, the extended section having a shape such that light that is not scattered by the scattering centers is trapped within the extended section by internal reflection. The extended section can also include a light conversion material that converts light of the first wavelength to light of a second wavelength.

Abstract: A light distributing assembly for a vehicle instrument panel includes a light source that emits light in a first direction. A first surface that is transverse to the first direction receives the light and changes the direction of the light to a second direction. A vehicle instrument panel housing having a second surface receives the light from the first surface and reflects a portion of the reflected light toward a vehicle display surface to illuminate the vehicle display surface.

Abstract: A backlight unit and a liquid crystal display device including such a backlight unit are provided. According to an embodiment, there is provided a backlight unit comprising a plurality of light emitting diodes (LEDs) for generating light, a printed circuit board (PCB) for controlling the LEDs, a transparent scattering plate provided with a scattering optical pattern for scattering the light from the LEDs, and a diffusing plate for diffusing the light scattered by the scattering plate.