Abstract: A backlight module includes a light guide plate and a plurality of light sources. The light guide plate includes a wedge-shaped light incident part and a flat panel. The wedge-shaped light incident part and the flat panel have a common bottom surface. The height of the wedge-shaped light incident part is greater than that of the flat panel. The wedge-shaped light incident part includes a light incident surface perpendicular to the bottom surface and a sloped surface sloping relative to the light incident surface and connects to the flat panel. The sloped surface defines a plurality of V-shaped grooves for preventing light leak. The flat panel includes a light emitting surface opposite to the bottom surface. The plurality of light sources is positioned adjacent to the light incident surface.

Abstract: An electrical device and method are presented, the device having an enclosure defining an interior volume sealed from the environment and an electronic lighting apparatus, which may include a heat generating element such as a light source, a heat sink, and a fluid flow generator, and optionally a support offsetting the fluid flow generator form the heat sink. The heat sink may be positioned adjacent the heat generating element and transfer heat there from. The fluid flow generator may create a flow of fluid to transport heat away from the heat sink and to the enclosure. The electronic lighting apparatus may be carried by the enclosure and partially disposed within the interior volume of the enclosure. The electrical device may further include an optic carried by the enclosure.

Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device array including a plurality of light emitting devices, an optical sheet to transmit light emitted from the light emitting device array, a frame to support the light emitting device array and the optical sheet, and at least two heat dissipating members placed on the frame in an emission direction of light from the light emitting device array. The heat dissipating member disposed at the center has a greater area than the heat dissipating member disposed at the perimeter.

Abstract: A lighting device may be provided that includes a light member having a light emitting diode (LED) to emit light in a first direction along a first axis, and a housing having a base to support the light member, and having a plurality of cooling fins that extend in a second direction away from the base. A plurality of holes may provide an air flow. Each hole may be provided through the housing from a first side of the base to the second side of the base. Each hole may correspond to an area between two separate ones of the cooling fins.

Abstract: One embodiment provides light along an optical axis. It comprises a substrate and at least one array of multiple LED chips without individual packaging supported by the substrate. The LED chips emit light within different wavelength ranges and are distributed laterally with respect to the axis over an area, the LED chips having light emitting surfaces for emitting light in directions transverse to the area. An optical element adjacent to the light emitting surfaces of the LED chips in the at least one array collects and directs light emitted by the LED chips of the at least one array along the axis towards a target. Another embodiment is directed to a method for providing multiple wavelength light for fluorescent microscopy using the above system. Electric current is supplied to the multiple LED chips, causing them to emit light of multiple wavelengths.

Abstract: A device for illuminating a surface of a member is provided that includes a light transmissive element having a substantially planar surface adapted to be situated over and separated from the member surface. The device also includes a light source adapted to emit light rays that directly illuminate the member surface and light rays directed between the element surface and the member surface at an angle causing a substantial portion of the light rays to be reflected by the element surface onto the member surface to illuminate the member surface. The light rays reflected from the member surface pass through the element such that the illuminated member surface can be observed. An apparatus for illuminating a surface is provided that includes an arrangement reflecting light toward the member that is positioned over the member and separated from the member by a gap, and an arrangement emitting light into the gap.

Abstract: A semiconductor light-emitting element mounting module includes a conductive plate including semiconductor light-emitting fixing portions and first and second electrical-supply segments, wherein the semiconductor light-emitting fixing portions includes first and second conductive sections in contact with one end of first and second contacts, the other end of the first and second contacts is conductive with an anode and a cathode of an light-emitting element, a pair of the first and second electrical-supply segments are electrically conductive with the first and second conductive sections at one end of the conductive plate, and the other pair of the first and second electrical-supply segments are conductive with the first and second conductive sections at other end of the conductive plate; and a resin surface-insulation portion covering the conductive plate with the other end of the first and second contacts exposed, and with the first and second electrical-supply segments exposed.

Abstract: The present invention combines control for lighting on/off a right side semiconductor-type light source 5R, control for lighting on/off a left side semiconductor-type light source 5L, and control for moving a movable shade 7 between a first position and a second position via control for driving/stopping the movement mechanism 70 with one another so as to radiate luminous intensity of a light distribution pattern HP1 for high beam having a first function, a light distribution pattern HP2 for high beam having a second function, and a light distribution pattern HP3 for high beam having a third function toward a forward direction of a vehicle 3. As a result, since the present invention includes a set of lamp unit, in comparison with the conventional vehicle headlamp system, the present invention requires a less number of components, and thus downsizing and cost reduction can be achieved accordingly.

Abstract: A backlight module includes a heat-dissipating element, at least one light-emitting element disposed on a first side of the heat-dissipating element, a back plate, and a heat-insulation element. The back plate has at least one opening and is disposed on the first side of the heat-dissipating element, and the back plate is not overlapped with the light-emitting element. The heat-insulation element is disposed between the back plate and the heat-dissipating element for reducing heat conduction between the back plate and the heat-dissipating element so as to prevent the heat generated by the light-emitting element from being conducted to the back plate.

Abstract: An efficient LED array. In an aspect, an LED apparatus includes a metal substrate having a reflective surface, and LED chips mounted directly to the reflective surface to allow for thermal dissipation, and wherein at least a portion of the LED chips are spaced apart from each other to allow light to reflect from a portion of the reflective surface that is located between the portion of the LED chips. In another aspect, a method includes configuring a metal substrate to have a reflective surface, and mounting a plurality of LED chips directly to the reflective surface of the metal substrate to allow for thermal dissipation, and wherein at least a portion of the LED chips are spaced apart from each other to allow light to reflect from a portion of the reflective surface that is located between the portion of the LED chips.

Abstract: An emergency illumination device includes a housing. The emergency illumination device is arranged to include a light source and a power supply. The emergency illumination device further includes a motion detector to generate a motion signal when motion is detected. The emergency illumination device is arranged to switch on the light source when a motion signal is generated by the motion detector. The housing includes a first outer surface arranged to support the emergency illumination device when positioned on a bearing surface. The motion detector generates a motion detection plane that is substantially perpendicular with respect to the first outer surface.

Abstract: A direction indicator includes a direction indicator main unit, a grommet for elastically supporting the direction indicator main unit to a front cowl on a vehicle body side, a retainer for removably fixing the front cowl on the vehicle body side and the direction indicator main unit via the grommet, and a shouldered bolt for fastening the retainer and the direction indicator main unit. A fastening portion of the direction indicator main unit to which the retainer is fastened with the shouldered bolt has a groove that serves as a weakened or fragile portion that is deformed or damaged when the direction indicator engages the ground.

Abstract: A backlight apparatus includes a substrate which includes a plurality of layers. A plurality of light emitting modules are arranged on a top layer of the plurality of layers closest to a light guide panel, and a plurality of wires penetrates through the plurality of layers to electrically connect the light emitting modules and a plurality of driving units. Accordingly, the width of the substrate of an edge type backlight apparatus which can provide local dimming is reduced. Therefore, the display apparatus using the edge type backlight apparatus can be slim even if it is designed to provide local dimming.

Abstract: A combined flashlight and lantern which provides multiple configurations combining features of a flashlight and a lantern, further comprising a flashlight housing similar to a conventional flashlight. The apparatus further includes a lantern assembly extendible from a lower end of the housing such that the apparatus can be placed on a horizontal surface and the lantern end withdrawn from the housing to provide a lantern function. The lantern assembly further includes a multi-position switch for cycling through various lighting functions. When the lantern assembly is retracted, a flashlight switch allows the apparatus to function as a high-power spot beam flashlight. A user can actuate both the flashlight switch and lantern switch to operate both functions simultaneously.

Abstract: A converging illuminant device has a flat illuminant, a reflective layer and an enhancement film. The reflective layer abuts the flat illuminant, is grille-shaped and has multiple longitudinal strips and multiple lateral strips. The enhancement film is securely connected with the reflective layer and has an emissive surface. The emissive surface has multiple free-form curved areas, multiple longitudinal lines and multiple lateral lines. The longitudinal lines respectively align with the longitudinal strips. The lateral lines respectively align with the lateral strips. Because the reflective layer is grille-shaped, light definitely passes through central positions of the free-form curved areas, angles of refraction of the light are small and the light can be effectively converged. Consequently, illuminant efficiency and central luminous intensity are increased.

Abstract: Disclosed are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting module including a plurality of light sources in the bottom cover, a light guide plate at one side of the light emitting module in the bottom cover, an optical sheet on the light guide plate, a support member coupled with the bottom cover, in which a part of the support member is placed on the optical sheet to make contact with a top surface of the optical sheet so that a bottom surface of the optical sheet contacts to the light guide plate, a top cover provided on the support member and coupled with the bottom cover. The light sources are interposed between the support member and the bottom cover.

Abstract: An LED lamp includes a frame, a power module, an envelope, an LED module, two holders, and a waterproof connecter. The frame includes a tube having an electrical section and a reflector. The power module is received in the electrical section. The envelope is engaged with the reflector to cooperatively define an optical section. The LED module is received in the optical section and electrically connects with the power module. The holders are mounted at two ends of the frame to prevent external hydrosphere from entering the LED lamp. Each of the holders includes a first cover and a second cover. The first covers engage with opposite ends of the electrical section. The second covers engage with opposite ends of the optical section. The waterproof connecter is coupled to one of the first covers.

Abstract: A backlight sufficiently bright to be useful as a backlight for a high definition LCD television panel, or other types of visual display screens is disclosed. An LED wide enough to provide adequate light energy is used. The light energy is directed into a thin substrate panel via a tapered aperture port, and released toward a viewing surface in a uniform manner due to light guide disrupters calculated to optimize the output pattern.

Abstract: Embodiments of a safety device for motorized vehicles and methods of use thereof are herein disclosed. In one embodiment, the safety device includes a mountable lighting device in electrical communication with a momentary switch. The lighting device may include a plurality of non-coherent light sources which may flash in a particular sequence. In one embodiment, the lighting device may be activated to flash once to signal to a motorist that a motorcyclist is to pass. The lighting device may be activated to flash twice to signal to a motorist that the motorcyclist is approaching. The lighting device may be activated to flash three times to signal to a motorist that the motorcyclist is passing.

Abstract: A light emitting diode (LED) lighting roadway lighting fixture and housing is provided. The lighting fixture comprises a center section enclosing a power supply for the LEDs. Two LED sections are positioned on either side of the center section and angled towards the center of the lighting fixture and the plane to be illuminated. LED engines are mounted on the LED sections to illuminate the plane.