Abstract: Devices for providing light and methods and devices for fabricating them are described. Lighting devices having lighting elements (e.g., based on LEDs, OLEDs, or other lighting technology) coupled to a frame allow for efficient dissipation of heat generated by the lighting elements. Each lighting device can be configured to be easily expandable, replaceable, and adaptable to different lighting device systems. A modular lighting device is also described. According to various embodiments, modular stacked frames and/or modular lighting element subassemblies are used. A manufacturing assembly is also described for fabricating the lighting devices. The use of reclaimed materials in the present invention is also described, which may further add value to the apparatus and methods of the present invention.

Abstract: A light fixture has an outer housing having a top outer wall, outer side walls extending substantially perpendicularly from the outer edges of the top outer wall, an inner housing having a top inner wall, and inner side walls extending substantially perpendicularly from the inner edges of the top inner wall. A lamp receiving socket is attached to the inner housing. The outer housing includes an opening adapted to connect to a ventilation system. First and second channels are defined between the top outer wall and the first outer and inner side walls, and the top outer wall and the second outer and inner side walls, respectively. Each of the first and second channels have a width that is approximately ? the distance between the first and second outer side walls.

Abstract: The enclosed electronic ballast housing provides improved convection heat transfer for lowering the ambient housing temperature for keeping the junction temperature of power semiconductors inside the enclosed electronic ballast housing within certain specified temperature ranges for long-term reliable operation. The enclosed electronic ballast housing includes at least one folded fin on at least one of the enclosed electronic ballast housing surfaces, the folded fin may be manufactured from the same piece of material as the ballast housing for improved heat transfer. The folded fins are substantially parallel to their respective adjacent surfaces. Additionally, the enclosed electronic ballast housing includes separating portions of heat dissipating sections of ballast circuitry outside of the housing ballast.

Abstract: A thermally conductive LED assembly is disclosed. The thermally conductive LED assembly includes an elongate conductor cable having a first conductor and a second conductor extending along a length of the elongate conductor cable and a thermally conducting and electrically insulating polymer layer disposed between first conductor and second conductor and a second electrically insulating polymer layer is disposed on the first conductor or second conductor. The electrically insulating polymer layer having a thermal impedance value in a range from 2.5 to 15 C°-cm2/W and a plurality of light emitting diodes are disposed along the length of the elongate conductor cable. Each light emitting diode is in electrical communication with the first conductor and the second conductor.

Abstract: A Light Emitting Diode (LED) lamp assembly comprises a base, a plurality of linear-extended LED lighting sources, a reflecting and heat-dissipating module, and a thermal module. The linear-extended LED lighting sources are distributed and connected to the base for optionally projecting at least one projecting light and releasing light heat simultaneously. The reflecting and heat-dissipating module is provided with a central heat-dissipating region approximately located on a central region of all the LED lighting sources and a plurality of reflecting and heat-dissipating members radially extended from the central heat-dissipating region for separating the linear-extended LED light sources, reflecting the projecting light, absorbing and conducting the light heat. The thermal module is arranged within the central heat-dissipating region for dissipating the light heat absorbed and conducted by the reflecting and heat-dissipating members.

Abstract: A backlight module comprising a light box, a diffusion plate and at least a light source set is provided. The light box has a bottom and a light emitting section opposite to the bottom, the diffusion plate is disposed at the light emitting section, and the light source set is disposed on the bottom of the light box. In addition, the light source set includes a substrate and a plurality of point light sources, wherein the substrate is disposed on the bottom of the light box, and the point light sources are disposed on the substrate and face the light emitting section. Wherein, the bottom of the light box has a plurality of heat dissipation holes to expose a portion of the substrate, and another portion of the substrate is in contact with the bottom.

Abstract: A portable personal headlamp utilizes an array of light-emitting diodes on the front face of a circuit board. Arc-shaped projections on the front face of a finned heat sink are in heat-conducting relationship with printed conductors on the rear face of the circuit board, which partially surround one lead of each light-emitting diode.

Abstract: A light source device includes a discharge tube, a reflector for reflecting a light radiated from the discharge tube, and support members for supporting the discharge tube to the reflector. The support member or the discharge tube is formed of a heat insulating structure so as to prevent a temperature drop of a portion of the discharge tube near electrodes thereof. By this arrangement, it is possible to prolong the operational life of the discharge tube.

Abstract: A light source device includes a discharge tube, a reflector for reflecting a light radiated from the discharge tube, and support members for supporting the discharge tube to the reflector. The support member or the discharge tube is formed of a heat insulating structure so as to prevent a temperature drop of a portion of the discharge tube near electrodes thereof. By this arrangement, it is possible to prolong the operational life of the discharge tube.

Abstract: A system and method of cooling a bulb of a type that requires cooling in one part, but not in others. A deflector assembly is coupled through a reflector, to the bulb, to cool only one part.

Abstract: A backlight module and the heat-dissipating structure thereof are provided. An electrode sheath, with high thermal conductivity and electrical insulation, is arranged to hold the electrode of the lamp and to make a contact with the front bezel and the back bezel, which are made of high thermal-conductive material. Hence, the heat energy produced by the lamp will be conducted to the front band back bezels through the electrode sheath.

Abstract: A light source that utilizes light emitting diodes that emit white light is disclosed. The diodes are mounted on an elongate member having at least two surfaces upon which the light emitting diodes are mounted. The elongate member is thermally conductive and is utilized to cool the light emitting diodes. In the illustrative embodiment, the elongate member is a tubular member through which a heat transfer medium flows. A cooling or fluid movement device coupled with the elongate thermally conductive member enhances cooling of the light emitting diodes.

Abstract: The present invention is a fluorescent light lumen regulating apparatus. More specifically, in one aspect, the present invention is a fluorescent lighting assembly for mounting at least one fluorescent lamp. In this aspect, the lighting assembly comprises a lamp housing. In another aspect, the invention further comprises a thermal dissipater to selectively dissipate heat from the fluorescent lamp to the ambient air to maintain the temperature of the cold spot of the fluorescent lamp within a predetermined temperature range.

Abstract: With this projector, by forming in a lamp casing an aperture, for leading out a wire connected to an electrode terminal of a lamp, near that electrode terminal, and by fitting an insulating member which has an opening portion for leading out this wire, and a lid member which covers this opening portion, to this wire lead out aperture, even though the lamp casing is made from metal, still it is possible to ensure adequate clearances and creepage distances between the electrode terminal and the lamp casing. Furthermore it is possible to prevent light, or air which has been heated up, from leaking out from the wire lead out aperture.

Abstract: An edge-lighting type backlight module (10) includes a light guide plate (12), at least one light sources (14), a reflector (16), a thermally conductive layer (18), and a plurality of heat pipes (20). The light guide plate has a light incident surface (120). The at least one light source is disposed adjacent to the light incident surface, and partly surrounded by the reflector. The thermally conductive layer is formed on an inner surface of the reflector near to the at least one light source, and the heat pipes attached to an outer surface of the reflector facing away from the at least one light source. A direct type backlight module (30) includes a diffuser plate (32), a reflector (34), at least one light sources (36), a thermally conductive layer (38), and a plurality of heat pipes (40).

Abstract: A compact fluorescent lamp comprises a fluorescent tube having a helical portion on at least a part thereof and turned down in the middle, a pair of tube ends thereof each provided with a discharge electrode, the pair of tube ends juxtaposing with each other in the same direction, a holder for holding the tube ends so as that the fluorescent tube is supported at the one side thereof, a lighting device for supplying a high-frequency power to the fluorescent tube, the lighting device comprising a circuit board facing the other side of the holder and circuit elements mounted on the circuit board, a cover for accommodating the lighting device, the cover opening at both ends and holding the holder at the one opening end, and a cap fixed to the other opening end of the cover for supplying a commercial power to the lighting device by being mounted to a socket of luminaire, wherein a thin tube is protruded from at least one of the tube ends of the fluorescent tube in the cover, and the thin tube is communicated with

Abstract: Dissipation of heat generated by a luminescent source, such as a fluorescent lamp, of a backlight apparatus and an LCD therewith is enhanced by providing a proximity section in a holder, making the hottest part the closest to the holder for efficient heat conduction.

Abstract: A lamp-fixing device includes a base and at least one receiving unit. The receiving unit is formed on the base. The receiving unit includes two opposite protruding walls extending perpendicular out from the base. The two protruding walls and the base cooperatively define a receiving space used to receive one end of a lamp tube with an electrode holder. The two protruding walls and the base each define a heat dissipation hole therein of the receiving space. A backlight module using the lamp-fixing device is also provided. The present lamp-fixing device can help to dissipate heat from lamp tubes fixed thereon efficiently.

Abstract: A light source that utilizes light emitting diodes that emit white light is disclosed. The diodes are mounted on an elongate member having at least two surfaces upon which the light emitting diodes are mounted. The elongate member is thermally conductive and is utilized to cool the light emitting diodes. In the illustrative embodiment, the elongate member is a tubular member through which a heat transfer medium flows.

Abstract: A backlight unit includes a lamp housing, a plurality of elongate lamps received therein, and a cooling member having a heat-absorbing part and a heat-radiating part. The heat-absorbing part includes a plurality elongate heat-absorbing portions having a light reflecting function and arranged alternately with the elongate lamps. The heat-radiating part extends from the elongate heat-absorbing portions of the heat-absorbing part and is disposed outside the lamp housing. The cooling member has a heat-radiation function as well as a luminescence assistance function.

Abstract: A backlight module includes a bezel, a light source, a reflector, a diffuser and a heat dissipation channel. The bezel includes a bottom plate, a top plate disposed above and in parallel with the bottom plate, and an inclined lateral plate for connecting the bottom plate and the top plate. The light source is disposed over the bottom plate. The reflector is disposed under the light source and attached on the bottom plate and the inclined lateral plate. The diffuser is disposed on one part of the top plate and is positioned above the light source. In addition, the heat dissipation channel is formed between the diffuser and the top plate.

Abstract: A high brightness LED apparatus with an integrated heat sink includes a heat sink base and at least one LED mounted in the heat sink base. The heat sink base includes multiple dissipating fins formed integrally on the substrate. Each of the at least one LED includes a body and multiple dies. The body is mounted in the substrate and includes a conductive seat with a top recess. The dies are mounted on the conductive seat in the top recess and produce a great amount of light beams for an enhanced brightness of illumination. The dissipating fins will efficiently dissipate heat produced by the at least one LED to prevent each LED from brightness decay and extend the useful life of each LED.

Abstract: A backlight apparatus of an edge light type includes at least one elongated luminescent source, a holder in which the luminescent source is provided and a housing in which the holder is provided. A supporting component is attached to an end of the elongated luminescent source for securing the luminescent source in the holder. The supporting component has a projecting section that projects outward from the holder such that the projecting section is thermally connected to the housing.

Abstract: A flat display and backlight module thereof are disclosed. The flat display includes a backlight module disposed on a rear surface of a display panel. The backlight module comprises lamps, a reflector, and a diffuser disposed on a back bezel. The reflector is attached on the back bezel. The diffuser and reflector form an enclosed space for the lamps, providing required light for the display panel. The back bezel comprises at least one outer surface with a plurality of fins extending therefrom to increase effective dissipation area thereof.

Abstract: A light fixture for housing LED units is provided. The light fixture has a housing that has a substantially H-shaped cross section. The housing has a crossbar with a series of mesas defined on its upper surface. A group of LED units is attached to each of the series of mesas, each LED unit being attached with a thin layer of adhesive. The LED units are electrically insulated from the housing by either the adhesive, which may be electrically insulating, or by an electrically insulating coating on the housing.

Abstract: A direct backlight module includes a reflective base, a buffer block, a lamp tube and a casing. Two opposite side regions of the reflective base both have two opposite openings located at two ends of each side region separately. The buffer block is disposed on the reflective base and positioned opposite to one of the openings. The lamp tube has two opposite electrodes at two ends of the lamp tube separately, and one of the electrodes is mounted in the buffer block. The casing covers the buffer block and there is an airflow channel formed by the combination of the inner chamber of the casing and the openings when the casing is installed in the reflective base.

Abstract: A light fixture includes an extruded metal housing having open ends, and a wall defining an elongated opening extending between opposing wall edges. First and second slots extend along opposing edges of the wall to receive at least one panel. A pair of end plates is attached to the open ends of the housing. A lamp assembly is mounted within the housing for transmitting light through the elongated opening. More than one lamp assembly may be slid into the extruded housing, with spacer plates inserted between lamp assemblies to present a closed, finished look. The extruded housing may by cut to size and end caps inserted with screws to finish the fixture.

Abstract: A water-cooling heat dissipation device adopted for a lighting module that includes a plurality of LEDs modulized together, and includes a heat dissipation plate, at least one curved canal recessed inside the heat dissipation plate, at least one inlet formed on one of the sides of the heat dissipation plate selectively, and at least one outlet formed on one of the sides of the heat dissipation plate selectively. The curved canal created as a part of the heat dissipation plate runs laterally and includes at least one bending portion arranged thereon. The inlet and the outlet communicate with the bending portion and a free end of the curved canal in alternative manners, respectively. The lighting module contacts a top of the heat dissipation device directly.

Abstract: A light source assembly includes a heat interception portion disposed between a light source unit and an optical member. The heat interception portion may be extended from the light source unit. Alternatively, the heat interception portion may be extended from a receiving container that receives the light source unit and the optical member. The heat transferred from the light source unit to the optical member may be reduced. Thus, deformation of the optical member may be prevented and the display quality of the image from the liquid crystal display apparatus using the light source assembly may be improved.

Abstract: A fastening device is provided for cooling the light source in a backlight module. The fastening device includes a frame for clipping the edge of a light source and a cooling unit disposed between the frame and the light source. The cooling unit is not only utilized for cooling, it also utilized for preventing the oscillation that affects the emitting efficiency and the operating stability of the light source.

Abstract: A light-emitting module structurally suspended between a pair of spaced apart electrical conducting wires wherein each of the wires has selected portions that are electrically insulated from the module. The light emitting module, in concert with the electrical conducting wires, provides structural support for the light emitter portion of the light emitting module via the connections to the insulated and non-insulated portions of the electrical conducting wires. A plurality of light emitting modules may be ganged together in series, parallel or series-parallel electrical configurations to produce chains of light emitting modules. The chains of light emitting modules produce selected or desired illumination depending on the quantity of light emitting modules being ganged together.

Abstract: A BLU module has a plurality of BLUs assembled together. Each of the BLUs includes a light guide, a light source structure adjacent to the light guide, and a heat conduction member contacting the light source structure. The light guide has a light-emitting surface arranged on a top thereof and a bottom surface opposing the light-emitting surface, the light-emitting surface being larger than the bottom surface so that that light guide defines a first cavity formed therebetween. The light source structure is received in the first cavity. The light guide in two adjacent BLUs of the module defines a second cavity opposite the first cavity for receiving an adjacent heat conduction member of a prior adjacent light guide. The module is provided with a variable size with the BLUs assembled together to meet requirements.

Abstract: A light source device includes a discharge tube, a reflector for reflecting a light radiated from the discharge tube, and support members for supporting the discharge tube to the reflector. The support member or the discharge tube is formed of a heat insulating structure so as to prevent a temperature drop of a portion of the discharge tube near electrodes thereof. By this arrangement, it is possible to prolong the operational life of the discharge tube.

Abstract: A light source module comprises a lamp cover, a lamp and at least a conductive wire. The lamp is fitted into the lamp cover. The conductive wire connects the lamp cover and the lamp to a ground. The conductive wire is wound around the lamp and the conductive wire has two ends connected to the lamp cover. The lamp cover includes at least a heat conductive plate connected with the conductive wire. The lamp cover, and the lamp are electrically connected to the ground through the conductive wire, so the capacitance there-between can be eliminated to improve the illumination performance of the light source module.

Abstract: A backlight module which includes at least a U-shaped fluorescent tube, a first and a second heat-dissipating structure is provided. The U-shaped fluorescent tube includes a curved tube portion, two straight-tube luminous portions and two electrode portions. Of which, each of the two straight luminous sections has one end connected to one or the other end of the curved tube portion while the two electrode portions are correspondingly disposed at the other end of the two straight-tube luminous portions which are of equal length, parallel to each other and situated at the same side of the curved tube portion. The first heat-dissipating structure which envelops the entire or partial of curved tube portion is thermal-conductively connected to the curved tube portion. The second heat-dissipating structure which envelops one of the two electrode portions is thermal-conductively connected to the enveloped electrode portion.

Abstract: A support and enclosure structure for fluorescent light bulbs includes an elongated, hollow tube having opposite ends, an outer wall and an inner volume, and at least one ventilation opening extending through the outer wall for permitting air flow between the inner volume of the tube and the surrounding environment for cooling of the fluorescent light bulb held there within. End caps are mounted on opposite ends of the tube, the end caps adapted to engage opposite ends of the fluorescent light bulb and support the fluorescent light bulb within the inner volume of the tube free of contact with the outer wall of the tube. Finally, the tube is constructed of a generally rigid, at least partially translucent materials, such that light emitted by the fluorescent light bulb held within the tube generally radiates through the outer wall of the tube into the surrounding environment.

Abstract: A lamp assembly includes at least one lamp for generating light, a reflecting layer, and a conductive supporting member. The reflective layer reflects a part of the light traveling in a first direction toward a second direction opposite to the first direction. The conductive supporting member includes a supporting sheet for supporting the reflecting layer and a plurality of penetrating holes formed in the supporting sheet. The penetrating holes reduce the overlapping area between the lamp and the supporting sheet. The reflective layer and the conductive supporting member are disposed on a rear side of the lamp.

Abstract: A method for using LEDs to supplement natural light in a greenhouse and a support structure for attaching LEDs in a greenhouse so that the plants receive substantially even light distribution from the LEDs and minimal natural light is blocked by the lighting system. A narrow attachment rail is used to suspend a strip of LEDs from the frame structure of the greenhouse.

Abstract: A lighting unit (1) preferably providing backlighting for a flat display device (2) and operating substantially in a vertical working position. The lighting unit (1) includes lamps (3), which are in thermal contact with a heat-conducting wall (5) of a hollow box (6). The lamps (3) make thermal contact with the heat-conducting wall (5) on the side opposite the light-emitting side of the lighting unit (1). The hollow box (6) is provided with a rear wall (8) that runs essentially parallel to the heat-conducting wall (5) and has openings (9) which are distributed across the area thereof. A top sidewall (10) and a bottom sidewall (11) are provided with additional openings (12, 13) in zones that lie closer to the rear wall (8). Preferably, the sidewalls do not have openings in zones located closer to the heat-conducting wall (5) than the additional openings (12, 13).

Abstract: Light-emitting element arrays having aligned LEDs are fixed to a stand integrally formed with a heat sink. An attachment surface of the stand is formed with V-shaped grooves working as reflection planes for improving irradiation efficiency. The arrays are separated from printed-circuit boards to be bonded therewith by wires. The array is placed at the bottom of the groove. The printed-circuit board is placed on a step formed at a wall of the groove. Since the array is separated from the resinous printed-circuit board having inferior heat conductance, high efficiency of heat radiation is obtained. Further, since the array is disposed close to the wall, unevenness of intensity distribution of the LEDs is prevented from being enlarged.

Abstract: The present invention relates to a light source device including discharge tubes that emit light by discharging in a thin atmosphere, a method of producing the light source device, and a display apparatus in which the light source device is employed. This light source device includes discharge tubes and a heat conductive member that is brought into contact with the neighboring area of the electrodes of the discharge tubes so as to locally cool down the neighboring area of the electrodes. In the light source device, a low heat conductivity member having lower heat conductivity than the heat conductive member is interposed between the heat conductive member and the discharge tubes. With such a structure, the luminance in the entire light source device can be increased and made uniform, and the reliability of the light source device can be increased accordingly.

Abstract: A housing for a light source, the housing having: an outer shroud, the outer shroud including an outer surface, a front edge, and a hollow inner surface; and an inner shroud, the inner shroud including a front edge and a concentric bore within which the light source is affixed, the inner shroud fitting concentrically within the inner surface of the outer shroud and the front edge of the inner shroud being offset back from the front edge of the outer shroud; wherein the radius between the outer edge of the concentric bore and the outer edge of the inner shroud shades the front edge of the outer shroud from the light source.

Abstract: A liquid crystal display device includes a liquid crystal display panel, a plurality of fluorescent lamps formed below the LCD panel extending along a first direction at first fixed intervals along a second direction perpendicular to the first direction, a case for supporting the plurality of fluorescent lamps, a plurality of wires attached to the case for absorbing and dissipating heat generated by the plurality of fluorescent lamps, and wire fixing plates for fixing the plurality of wires on the case.

Abstract: Dissipation of heat generated by a luminescent source, such as a fluorescent lamp, of a backlight apparatus and an LCD therewith is enhanced by providing a proximity section in a holder, making the hottest part the closest to the holder for efficient heat conduction.

Abstract: A lighting apparatus is provided that includes a bulb housing having a first surface, and a second surface, wherein the first surface is at an angle greater than zero degrees, but less than or equal to forty-five degrees from a second surface, and wherein the second surface is parallel to a plane on which the bulb housing is to be mounted, and a receptacle connected to the first surface. A quad-tube fluorescent bulb is accommodated within the receptacle. When the angle has a value of forty-five degrees, three tubes of the quad-tube fluorescent bulb are exposed and seventy-five percent of the lighting produced by the quad-tube fluorescent bulb is direct light and twenty-five percent of the lighting produced is indirect or reflected light.

Abstract: A circuit board assembly with an array of closely spaced circuit components mounted thereon. The board has a pattern of conductive strips on both front and back faces and the strips are connected through the board by thermally conductive vias. The circuit components are mounted on one side of the board and a layer of thermally conductive, double-sided adhesive tape is laid over the conductive strips on both faces of the board. Heat sinks are then applied against the tape on both sides of the board to conduct heat from the board through the tape.

Abstract: A compact, energy-efficient extensible illumination source combines the reliability advantages of light emitting diodes (LEDs) with the brightness of conventional lighting. High reliability of the LEDs provides trouble-free operation over a long hour lifetime. This high-output light source can be used in direct lighting applications or for backlighting for translucent materials. The illumination source includes LED printed wire board segments that may be configured to form a light line of any length. The segments are mounted on a inner mounting base which also serves as a first stage heat sink for the LEDs. The illumination source includes a linear mirror for reflecting radiant energy away from the LEDs to produce a uniform linear illumination pattern. A window provides mechanical protection for the LEDs and may be used for diffusing or filtering light from the LEDs. An integral base in contact with the inner mounting base also serves as a heat sink and provides structural support for the illumination source.

Abstract: The present invention discloses a partition is incorporated into the case of the projector so as to separate the optical system and the circuitry system. A circuitry fan is used to cool the circuitry system. The optical system is cooled by a suction fan. The cooling air is drawn in by the suction fan and directed to a lamp case through an air duct so as to cool a burner within the lamp case. The heat air is then directed to manifold duct. A first outlet of the manifold duct is directed through an exhausting duct to an exhausting fan. The other outlet of the manifold duct is directed to the circuitry fan. As a result, the heated air is discharged out of the case by those two cooling fans so as to evenly discharge the heated airflow from the lamp case, reducing the heat load of the fan and prolongs the lifespan of the fan.

Abstract: A mounting assembly (10) for an electrodeless 1 amp (100). The mounting assembly (10) comprises a fixture housing (14) having an inner surface (16) and an outer surface (18). The fixture housing is preferably made from aluminum. Spaced-apart heat sinks (20, 21) are affixed to the inner surface (16) of the fixture housing (14). A reflector (22), which is preferably concave, as is the fixture housing, is positioned within the fixture housing (14). The reflector (22) contains two apertures (24, 26) that are aligned with the heat sinks (20, 21). Thermal insulators (28, 29) are positioned in the apertures and surround the heat sinks, thus thermally isolating the reflector from the heat sinks. The lamp (100) is mounted in the fixture housing by attaching brackets (40, 42), which surround the ferrite transformer cores of the lamp, directly to the top surfaces of the heat sinks (20, 21).

Abstract: A reflector (8, 9) for a lamp (24), including at least one reflective surface (12), the reflector being designed such that the light which is emitted by a luminous element (1) of the lamp (24) and reflected at the reflective surface (12) does not impinge on the luminous element (1).