Abstract: A circuit board mounting system in one example comprises an improved mounting system for a circuit board disposed between housing elements, wherein the improvement comprises a plurality of slots formed in the circuit board and a plurality of bushings disposed within the slots, such that the housing elements rest on opposed ends of the bushings, and the circuit board moves in a plane substantially parallel to its mounting surfaces in response to changes in temperature, thus reducing thermal stress.

Abstract: Parallel stacking mid-frame structural supports for use with a portable electronic device are presented including: a first side member; a second side member disposed substantially parallel to the first side member, the first member and the second member each configured with; a support feature for providing structural support when an applied load exceeding a predetermined threshold is exerted on the portable electronic device, and an attachment feature; a third side member mechanically contiguous with and disposed substantially perpendicular to the first side member; and a fourth side member mechanically contiguous with and disposed substantially perpendicular to the first side member. In some embodiments, the mid-frame structural support also includes: a first number of rib supports for supporting a printed circuit board (PCB), and a second number of rib supports for supporting the PCB. In some embodiments, the predetermined threshold is approximately 800 grams.

Abstract: A backlight module (3) includes a light guide plate (31), a light source (32) and an optical conversion device (33). The light guide plate includes an incident surface (311), an emitting surface (312) adjacent to the incident surface and a bottom surface (313) parallel to the emitting surface. The incident surface maintains an oblique angle relative to the bottom surface. The light source is near the incident surface of the light guide plate for radiating light beams toward the light guide plate. The optical conversion device is disposed between the light source and the light incident surface, which is configured for transforming a polarization state of some of the light beams received from the light source such that the transformed light beams can enter the light guide plate through the incident surface.

Abstract: The present invention is an electroluminescent panel which is used in conjunction with electrical components to provide illumination for the components. The invention comprises an electroluminescent panel which is powered by a power supply located within an electrical component. The power supply includes an electrical voltage inverter and a power source. The electroluminescent panel is positioned on top of the electrical component. A mesh grill and/or cover could be positioned on top of the panel. Mean are provided for the rapid interchange of the panels without the need for tools.

Abstract: In a backlight unit and a display apparatus having the backlight unit, the backlight unit includes a first light source, a second light source, and an optical plate having a lower surface facing the second light source and an upper surface substantially parallel with the lower surface. The first light source generating a first light having a first wavelength range. The second light source generating a second light having a second wavelength range different from the first wavelength range to compensate the first light. Thus, display quality of display apparatus may be improved.

Abstract: A backlight assembly includes a container, a plurality of lamps and a lamp-fixing member. The container includes a bottom face and side faces extending therefrom that define a receiving space. The lamps are arranged in parallel with each other in the container. The lamp-fixing member includes a support body installed in the container and arranged in a direction intersecting a lengthwise direction of extension of each of the lamps, a lamp-fixing portion protruding from the support body and covering a respective lamp, and a boss protruding from an inner face of the lamp-fixing portion and extending toward a center of the respective lamp to fix the respective lamp with a corresponding lamp-fixing portion via a point or line contact. Thus, a local decrease in temperature of the lamp covered by the lamp-fixing portion may be prevented to improve image display quality by preventing or eliminating dark spots.

Abstract: An LED backlight unit includes a light source; a board including a circuit pattern printed on an underside thereof, and having at least one mounting hole perforated therein where the light source is inserted; a metal chassis having an inside surface on which an underside of the light source is mounted, and receiving the board to be arranged in parallel to and with a gap from the metal chassis; and a reflector arranged on a top surface of the board to reflect light generated from the light source. The heat radiating path for transferring heat from the light source to the outside can be more simplified to enhance heat radiation efficiency thereby raising product reliability. The number of whole components can be reduced and the board with the light mounted thereon can be replaced with an inexpensive part thereby saving fabrication cost.

Abstract: An illuminated lanyard includes a plurality of light emitting diodes, a plurality of conductors having the light emitting diodes mounted to the conductors spaced from one another along the length of the conductors. The light emitting diodes and the conductors define an LED assembly. A power source is operably connected to the LED assembly and a switch operably connects the power source to the LED assembly. A housing houses the power source and the switch. A light transmissive sheath is configured having the LED assembly fitted, at least in part, in the sheath. A translucent sleeve is positioned over the sheath and encloses the LED assembly. The sheath and sleeve are mounted to the housing. The light emitting diodes are illuminated by actuation of the switch, and light from the light emitting diodes is transmitted by the diodes and is visible through the sheath and through the translucent sleeve. The lanyard can be configured for securing a pair of glasses thereto.

Abstract: A light apparatus is mounted to a wall of a building. At least one elongate mounting plate is engaged to the wall extending essentially horizontally along the wall. A number of brackets are mounted to the mounting plate and extend forward therefrom. One or more trim pieces are mounted generally below and in front of the brackets. A number of holding elements mount at least one light source to at least one of the elongate mounting plates and brackets.

Abstract: A portable light (10) includes a harness (12). Multiple illumination sources (14) are contained within the harness (12). A power source (16) is electrically coupled to the illumination sources (14). The portable light (10) also includes one or more of an alignment-maintaining mechanism (22), a separation-maintaining mechanism (24), and a position-maintaining mechanism (26). The alignment-maintaining mechanism (22) may be contained within the harness (12) and is coupled to and maintains the orientation of the illumination sources. The separation-maintaining mechanism (24) may be contained within the harness (12) and is coupled to and maintains the separation distances between the illumination sources (14). The position-maintaining mechanism (26) maintains the orientation of the harness (12).

Abstract: A high power light-emitting flashlight includes a lampshade, a first tube, a second tube, and a base cover screwed to one another; the first tube containing a lamp holder and a power socket, the lamp holder including a carrier, an LED circuit board mounted with an LED lamp, and a retainer; the LED circuit board being disposed to the carrier; and the retainer and the carrier being inserted to each other to clamp the LED circuit board in place.

Abstract: An illuminating device has a board with multiple holes. Multiple domes are formed on a top side of the board and respectively located among the holes. An energy transferring film is coated on the top side of the board. Multiple light sources are respectively inserted into the holes and erected from the top side of the board. Therefore, lights emitted from the light sources can be refracted by the domes to irradiate plants at a desired direction. Exhaust heat of the light source and light rays projected on the board can be transferred to far infrared light rays with wavelength of 4-12 ?m by the film to irradiate the plants again for promoting the growth of the plants.

Abstract: An apparatus having a light source, light pipe, and light conversion layer is disclosed. The light source includes a plurality of LED dies arranged in an array, each LED emitting light having an excitation wavelength, the light source emitting light within a cone of angles. The light pipe is positioned to receive the light within the cone of angles through an edge surface such that the light within the predetermined cone of angles is totally reflected from the top surface. The light pipe has features that redirect some of the light at angles such that some of the redirected light exits through the top surface. The light conversion layer overlies the top surface and converts light of the excitation wavelength to light in an output spectrum having wavelengths different from the excitation wavelength. A display layer can be placed such that it is illuminated by light from the light pipe.

Abstract: A light emitting package is disclosed that can generate a white light while controlling Red, Green and Blue light emitting diodes (“LEDs”) simultaneously. In the light emitting package, a plurality of LEDs are connected in series to one another. The plurality of LEDs are responsive to one driving voltage. Currents flowing through the plurality of LEDs are controlled by a current adjuster. Consequently, the plurality of LEDs are driven by the currents different from one another in amount.

Abstract: A rotational obstruction and beacon signaling apparatus is disclosed, in which chip-on-board (COB) packaged light emitting diodes (LEDs) are employed to provide a flashed emission pattern with high luminous intensity. The flash sequence of individual LEDs is controlled by an electronic timing circuit to simulate a rotational or other motional signaling effect.

Abstract: A structure of strip light, comprising a main unit and a plurality of light-emitting devices, wherein the main unit consisting of an insulating unit and a plurality of conductive units, the conductive units being arranged in lines on the insulating unit; the light-emitting devices are respectively connected with the conductive units in line arrangement, forming a matrix circuit. In application, such strip lights have the capability of bending freely and is flexible with reliable connecting circuit for extensive use in all sorts of lighting products and applications.

Abstract: A light for use in light strings has a deeper socket, a longer base and longer Dumet wires than a standard socket, base, and Dumet wires so that the standard bases and bulbs will not operate in the non-standard socket. Furthermore, the base and sockets are keyed so that they are restricted to at most two orientations with respect to each other and cannot be twisted with respect to each other.

Abstract: Cigarette lighter having a main unit comprising a substantially cylindrical heating insert and a substantially sleeve-like lighter body to receive the heating insert, comprising a substantially annular attachment of transparent and light-guiding material which is slid onto the main unit, for illuminating a region of the cigarette lighter which is visible to a viewer when the cigarette lighter is in the installed state, which attachment has an entry opening for light to couple light into the attachment to enable the attachment to be illuminated, and comprising a lighting unit, fastened to the attachment, having a receiving unit to receive a lighting insert which can be inserted as an exact fit, the lighting insert having at least one light-producing means, characterized in that the receiving unit is provided with at least one aperture serving as an exit opening for light and in that the lighting insert is arranged in the receiving unit between the entry opening for light in the attachment and the exit opening

Abstract: An apparatus for controlling a lamp with a security function and a lighting control method are disclosed. The apparatus includes a security switch for selecting a security mode, a light emitting diode for displaying security status, a lamp, an illuminance sensor set to a predetermined illuminance value for detecting illuminance of the lamp so that varying time is confirmed according to the predetermined illuminance value, a timer and a microcontroller for receiving an illuminance detection signal if the security mode is activated and controlling the lamp. The microcontroller confirms the varying time twice daily according to the predetermined illuminance value, sets intermediate time between the corresponding twice daily time on a virtual timepiece and turns the lamp on at a specific dusk time period, a specific midnight time period and a specific dawn time period according to the virtual timepiece.

Abstract: A light emitting device includes a light emitting element, an optical concentrator, such as a compound parabolic concentrator, a dichroic filter between the light emitting element and the optical concentrator and a wavelength converting material, such as a phosphor. The optical concentrator receives light from the light emitting element, via the dichroic filter, and emits the light from an exit surface, which is smaller than the entrance surface. The optical concentrator may be manufactured from a material with a high refractive index, such as sapphire. The wavelength converting material is, e.g., disposed over the exit surface. The radiance of the wavelength converting material is increased by pumping the wavelength converting material through a high index of refraction material and outputting the converted light into a low refractive index medium, such as air.

Abstract: A replaceable lighting head assembly comprised of a high output LED (Light Emitting Diode) socket torch package, vertically aligned thermal heat sink, and electrical connector coupled with a secondary housing unit that conducts heat received from the heat sink to the external environment and acts as a conduit for the external electrical source. This second component also serves as a building block for further fixture design. In this manner, state-of-the-art LED's can be used to provide light within a small, durable package which in turn, provides lighting designers with the opportunity to explore new fixture designs and to improve the quality, energy-efficiency, safety and longevity of existing products.

Abstract: An illumination device includes a body. The inner space of the body is divided into two parts as a first part and a second part. A heat dissipating module is disposed in the first part. The second part is fully sealed so that dusts, water and insects may be kept off. A plurality of light emitting units are disposed in the second part so as to provide light. The light emitting units are connected with the heat dissipating module in the first part. Hence, heat generated by the light emitting units may be dissipated out of the body and so that the illumination device of the present invention may have a longer service life.

Abstract: The present invention provides an LED light source module design featured with efficient heat dissipation. This invention comprises a printed circuit board of thickness less than 400 ?m, installed with an LED array which is composed of multiple high powers, super bright emitter LEDs. The thinner version of the printed circuit provides shorter route for faster thermal conductivity; and thus promotes the efficiency for heat dissipation. With its bendable flexibility, the thinner version of the printed circuit board can accommodate and well affix to the inner side of any shape of lighting fixture rack. This further enhances the heat dissipation for varieties of lighting fixture rack design.

Abstract: The present invention provides a light source module with high efficiency, super bright LEDs featured with efficient heat dissipation. This invention comprises a printed circuit board installed with an LED array which is composed of multiple emitter LEDs. To achieve efficient effect for heat dissipation, there is more than one hole punctured on the printed circuit board right underneath each emitter LED. The surface of each punctured hole is coated with thermal conductive layer such that the accumulative heat generated by the high power LEDs can be effectively dissipated through the conductive layer.

Abstract: A light emitting diode (LED) assembly with a vented printed circuit board is disclosed. A printed circuit board assembly may include a plurality of LED modules disposed in an array with a multilayered substrate and a plurality of vents. The multilayer substrate may include a thermal cooling layer which is in thermal communication with the LED modules for heat dissipation. The multilayer substrate may include one or more electrical power layers in electrical communication with the LED modules for energizing the LEDs. The multilayered substrate may have an external insulating layer that includes a plurality of fluid apertures configured for fluid communication with the thermal cooling layer.

Abstract: A light emitting diode (LED) array that is configured to minimize heat damage to the LEDs during both the manufacturing of the array and the use of the array. The LED array utilizes a circuit board. The top surface of the circuit board contains a mounting area for retaining a light emitting diode. A plurality of separate thermal conduits extend through the circuit board within the mounting area. A light emitting diode is mounted to the top surface of the circuit board within the mounting area. The light emitting diode is contacted by the plurality of thermal conduits. The thermal conduits conduct heat away from the LEDs as the LEDS are in operation. Furthermore, the plurality of thermal conduits can be created with little or no thermal shock to the LEDS.

Abstract: A method of forming a lamp assembly includes removably coupling a burner assembly to a datum structure, the burner assembly including a fireball, moving the datum structure and the burner assembly to an aligned position relative to a reflector such that the fireball is at a focal point of the reflector, and securing the datum structure and the reflector in the aligned position.

Abstract: Applications of embodiments include the use of transmissive or transflective display technologies in extreme temperature environments. Specifically, display assemblies and methods using heating and/or active cooling are described. For example, such applications may include the use of display panels, such as LCD panels, having a diagonal dimension of 17 inches or more.

Abstract: An industrial light fixture of the type including a housing with a base member and a top member and containing power-related components includes a spring-bracket secured to bracket-securement point(s), extending along the capacitor to hold the capacitor in place and biasing the capacitor into heat-exchange engagement against one surface of the top member to facilitate heat transfer from the capacitor to the top member and dissipation therefrom to the atmosphere. The base member and top member are preferably formed of die-cast metal and a variety of preferred features are disclosed.

Abstract: Lighting device (1) installable on a light bulb (12), or a bulb socket, which can be operated by any remote control, for example an IR remote control (5) of a TV set. The device (1) comprises at least one receiver (20) capable of detecting an IR code sent by the remote control (5). A memory stores the code and switching means turn on or off the lighting device at each following code transmitted by the remote control (5).

Abstract: A lighting fixture display system and method including a light support member for supporting truncated floor-based lighting fixtures and a rail member. The light support members have shelf structures and brackets and are mounted on or attached to the rail member, which in turn may be mounted on or attached to a display wall. The rail members and light support members may be configured to form a display system having multiple horizontal display rows. The display system makes efficient use of retail space, is easy to build, and can be varied to enable various different display configurations as well as allow easy replacement or repair of lighting fixtures.

Abstract: A medical illumination device including a sterile package, a base, a light housing, and a flexible body. An attachment component of the base may include an adhesive exposable upon removal of the component from the package. The base may have sufficient surface area, sufficient base weight, and sufficient holding strength to effectively provide stability for repositioning. The base may be 50% of the device weight and have a surface area of 1.0 square inch. A second portion of the attachment component may be repositionable without detaching the first portion. Portions may be separately removable from the sterile package. The device may include a second flexible body attaching a second light source to the base. The device may provide a base containing a power means, a lighting means, and a flexible body means. The device may also include a sterile packaging means and repositioning means.

Abstract: To prevent an inclination sensor of a vehicle from becoming soiled by flying matter such as muddy water splashes scattered by the rotating wheels of the vehicle itself, which may result in false detection of the inclination of the vehicle to a road surface, a vehicle provided with an inclination sensor for detecting the inclination of vehicle to road surface is proposed, wherein the sensor is attached onto the undersurface of the vehicle at a position between the wheels in the direction of the width of the vehicle, and a cover member having at least either of a side cover portion for covering the wheel side of the inclination sensor or a rear side portion for covering the rear side of the inclination sensor in the longitudinal direction of the vehicle is provided.

Abstract: A rearview mirror and signal light arrangement is disclosed to include a rearview mirror, a lens fastened to the back side of the rearview mirror, and plurality of light emitting devices mounted inside the rearview mirror and electrically connected to the power circuit of one lamp of the car for emitting light through specific light-permeable portions of the lens to give a visual warning signal to the cars approaching from behind.

Abstract: A car lamp includes a lamp shell, a reflecting shade ahead of the lamp shell, a bulb on the reflecting shell, a set-off member ahead of the reflecting shade, and a pervious-to-light lamp cover secured ahead of the set-off member; the reflecting shade has several reflecting surfaces; the set-off member has a pervious-to-light cover on a middle portion, several concave portions around the pervious-to-light cover, through holes respectively connected to rear ends of the concave portions and faced with the reflecting surfaces of the reflecting shade; the set-off member further has several reflecting surfaces on each of inner sides of the concave portions, and several pervious-to-light plates respectively fitted in the through holes thereof; therefore, when the bulb shines, the whole car lamp will look like it has several light emitting diodes shining therein.

Abstract: A vehicle lamp has a housing and a transparent cover formed of a transparent resin having a flexural modulus of 2000 MPa or more, and joined to the housing by beam welding. The transparent cover has a first surface and a second surface. The second surface faces the housing, and a welding surface is formed along a circumference of the second surface. The welding surface is formed such that the welding surface has a three-dimensional curved surface in a closed-curve form, and such that each continuing surface of the welding surface is formed as a flat surface with respect to a direction of a normal line thereto or as a curved surface having a curvature radius of 30 mm or more with respect to a direction of a normal line thereto.

Abstract: Lighting unit, preferably rear light, for vehicles, preferably motor vehicles The lighting unit has a housing (1), in which at least one lamp (2, 3) is housed, which lies behind a lens (4). Furthermore, the lighting unit has at least one electroluminescent layer (12 through 15). In order that the lighting unit may be produced cost-effectively in such a way that a desired, particularly homogeneous light distribution is reliably achieved, the electroluminescent layer (12 through 15) is provided on the lens (4). The components (5, 6) required for the lamps (2, 3) in the housing (1), such as reflectors, may thus be used without restriction. The electroluminescent layer (12 through 15) may be situated without problems on the lens (4). The lighting unit is preferably a rear light for motor vehicles.

Abstract: A key system includes a display surface, a light source, and a plurality of optical fibers having first and second ends and a longitudinal sheath. The plurality of optical fibers are connected to the light source at the first ends thereof and configured to transmit light from the light source to the display surface.

Abstract: A light generating unit includes a plurality of light sources generating lights with different wavelengths. Among the light sources, at least one is disposed on a horizontal surface which differs in height from horizontal surfaces on which the other light sources are disposed. A display device includes the above light generating unit and a display panel for displaying an image by using the lights generated from the light generating unit. A method of improving color uniformity in the display device includes arranging the light sources as in the light generating unit.

Abstract: A battery cartridge includes a pair of outer frame members for receiving unit cells and an inner frame member disposed between the outer frame members. The unit cells are mounted between the outer and inner frame members. The inner frame member has a plurality of through-holes, which communicate with the outside while the unit cells are mounted between the outer and inner frame members. An opened type battery module includes such a battery cartridge. The battery cartridge and the battery module have a high structural integration and mechanical strength. Consequently, the present invention has the effect of minimizing the size of a battery system, stably mounting unit cells having low mechanical strength, and effectively removing heat from the unit cells.

Abstract: A display apparatus having a liquid crystal panel, comprises a light source part comprising a plurality of point light sources for supplying light to the liquid crystal panel. The light source part is partitioned into a plurality of light source zones. A light source driving part supplies power to the light source part. A plurality of channel parts sense luminescence of the point light sources for each of the light source zones and output light-emission information of the point light sources based on the sensed luminescence. A controller compares the light-emission information output from the plurality of channel parts with a pre-set reference value. If a difference between the light-emission information and the reference value is out of a predetermined allowable range, the controller sequentially adjusts PWM control signals which are output to the light source driving part, for each of the light source zones.

Abstract: A medical illumination device including a base, a light housing and a flexible body. The base includes a power source and an attachment component. The attachment component further includes a first portion and a second portion, the first portion attachable to an attachment point and the second portion repositionable relative to the first portion without detaching the first portion from the attachment point. The flexible body has a self-sustaining shape with at least one bendable shaft positioned inside the flexible body. The base provides stability for repositioning of the flexible body. The base has sufficient surface area contacting the attachment point, sufficient base weight, and sufficient holding strength to effectively provide stability for repositioning of the flexible body. The base comprises at least 50% of the weight of the device and has a surface area of at least 1.0 square inch.

Abstract: A diffuser sheet which compensates for chromatic dispersion generated in a hologram light guide plate, and an illumination apparatus employing the diffuser sheet are provided. The diffuser sheet includes a plate type light-transmissive substrate and a light diffusion layer disposed on a light emission surface of the light-emission substrate. A light-incident surface of the light-transmissive substrate has declined surfaces and flat surfaces which are alternatively and repeatedly formed thereon. The declined surfaces are declined at a predetermined angle.

Abstract: A display backlight assembly providing improved optical coupling between a solid state light source and a display optical light guide. The assembly includes an optical coupler to couple the solid state light source and display optical light guide together. In addition, the optical coupler may include a light mixing element for improved mixing of the multi-colored or mono-chromatic light produced by the solid state light source.

Abstract: The invention is directed to a backlight for a display which utilizes a light emitting diode array as a light source and is devoid a light guide.

Abstract: A Christmas ornament can be assembled with an illuminating device easily therein and provide color-transforming effectiveness with a well mixed and gradual-layers light appearance. The Christmas ornament has a housing and an illuminating device. The housing has a plurality of peripheral walls and a bottom wall. The peripheral walls are made of semitranslucent material and the bottom wall is fixed on a bottom of the peripheral walls. The illuminating device has a light seat fixed on the bottom wall, a plurality of light sources fixed on the light seat and a control unit received in the light seat. The light sources are divided into at least two color groups, and the control unit is electrically connecting the light sources for controlling the color groups to illuminate according to a predetermined sequence.

Abstract: A holiday light assembly has a main support rod and a plurality of hanging support structures each having a hanging branch rod supported from the main support rod, and holiday lights supported on the hanging support structures to form desired lighting patterns. The hanging branch rods of the hanging support structures are connected to the main support rod with swivel joints to allow them to be placed conveniently at a desired hanging angle when the light assembly is installed on a sloped structure, such as the gable of a house. The swivel joints may be of a ratcheting type and may be spring loaded to allow quick angular adjustments.

Abstract: An AC-to-DC power converter that is capable of generating a regulated, isolated DC voltage output from a power factor corrected AC voltage input with improved efficiency. The AC-to-DC power converter is a two-stage power converter including a PFC stage connected in series to a power conversion stage. The PFC stage performs power factor correction using a zero current switching technique, and the power conversion stage includes a zero voltage switched half-bridge converter. The power conversion stage includes a transformer for providing the isolated DC voltage output. The AC-to-DC power converter includes a single feedback control loop for transferring error information from the DC voltage output to the PFC stage, thereby obtaining regulation of the DC voltage output.

Abstract: In the switching power supply circuit disclosed in the present invention, the DC voltage is supplied to the primary winding in the converter transformer and the AC voltage is generated. First and second series resonant circuit are formed, and the resonant frequency of the first and second series resonant circuits are set to be substantially equal to each other. A parallel resonant circuit is formed, and the resonant frequency of the parallel resonant circuit is set higher than the resonant frequencies of the first and second series resonant circuits. The secondary winding includes first and second secondary windings so that currents are extracted from the first and second secondary windings, respectively, and a ratio of the number of turns of the first secondary winding to that of the second secondary winding is defined so that magnitudes of the currents are substantially equal to each other.

Abstract: A system includes a charge pump configured to provide a boosted voltage, a voltage source configured to provide a voltage less than the boosted voltage, and a load. The system includes a coupling capacitance coupled to the load, a first switch coupled between the charge pump and the load, and a second switch coupled between the voltage source and the load.