Abstract: A portable electronic device includes a housing, a display module received in the housing, and a light source device received in the housing. The light source device includes a light guiding unit, a light reflecting unit, and stimulated radiation medium positioned between the light guiding unit and the light reflecting unit. Outside light arrives at the medium through the light guiding unit and stimulates the medium to emit light, and the light emitted by the medium is reflected by the light reflecting unit to emit from the light guiding unit and illuminate the display module.

Abstract: A back bezel assembly is provided. The back bezel assembly includes a frame and a metal shielding board. The frame is formed with at least one hollow portion. By forming at least one hollow portion, the frame is not formed with at least one first portion with the same material of the frame, wherein the at least one first portion has a first weight. The metal shielding board has a second weight, which is less than the first weight. The metal shielding board is fixed to the frame and covers at least one portion of the at least one hollow portion correspondingly. With the configuration of the back bezel assembly, the display adopting the back bezel assembly is lightweight and provided with the shielding effect of EMI (Electromagnetic Interference).

Abstract: A backlight unit includes an optical sheet, a receiving member configured to receive the optical sheet, the receiving member having a support surface supporting the optical sheet, an extension configured to protrude from a side surface of the optical sheet, an inner surface position defining portion configured to define a location of the optical sheet, the inner surface position defining portion being substantially perpendicular to the support surface of the receiving member and facing an inner surface of the extension, and an outer surface position defining portion substantially perpendicular to the supporting surface of the receiving member and facing an outer surface of the extension, wherein a first distance between the inner surface position defining portion and the inner surface of the extension is less than a second distance between the outer surface position defining portion and the outer surface of the extension.

Abstract: A light source module of the present invention is configured such that there is a through hole (23) in one longitudinal end portion of a light guide (21) that constitutes a light guide plate, into which through hole (23) a positioning pin (24) for positioning an LED light source (12) and the light guide (21) fits. Further, a guide (9) is provided to the other end portion of the light guide (21), which guide (9) restrains the light guide (21) in a direction of a short side but does not restrain the light guide (21) in a direction of a long side. This makes it possible to provide a light source module that can reduce warping and cracking caused by expansion of a light guide, and an electronic apparatus including the light source module.

Abstract: Provided is a liquid crystal display device which is capable of preventing light leakage and preventing a dark portion from being viewed. The liquid crystal display device includes: a lower receiving container; a plurality of supporting walls arranged in a line along at least one side wall of the lower receiving container with gaps therebetween; a plurality of light sources arranged in a line so as to be provided in the gaps; and a reflecting cover covering at least a portion of each of the gaps.

Abstract: An apparatus for optical examination of documents. The apparatus includes a light source, a plurality of panels which are exchangeable with each other, a viewing unit having a window formed by at least one of the plurality of exchangeable panels through which window light emitted from the light source exits for examination of documents by an observer. Further included is a coupling unit configured to supply the light emitted from the light source into the viewing unit. The light source and the viewing unit are coupled together by a light guide and the light guide is adapted to supply the light from the light source to the coupling unit. At least one of the plurality of exchangeable panels is a fluorescent panel including a fluorescent substance. The fluorescent panel is fluorescent in the yellow-red-infrared wavelength range when being illuminated with light in the ultraviolet-blue-green wavelength range.

Abstract: A lighting device that achieves a small housing member and an appropriate positioning of an optical member is provided. The lighting device includes an LED board 40, a light guide plate 31 including an end surface 33 facing the LED board 40, an optical sheet 50 covering a light exit surface 31a of the guide plate 31, a positioning member P positioning the optical sheet 50 such that the optical sheet 50 is positioned with respect to the guide plate 31 in a planer direction, and a chassis 60. The positioning member P includes a positioning hole 55 formed in the optical sheet 50 and a positioning pin 35 provided on the guide plate 31 and configured to be fitted through the hole 55. The pin 35 is passed and fitted through the hole 55 and thus the optical sheet 50 is positioned with respect to the guide plate 31. The pin 35 is formed on the guide plate 31 and the chassis 60 as a housing member is not increased in size.

Abstract: A display including a back cover, a front frame, a display panel, a light guide plate, at least one metal bracket and a light emitting element is provided. The front frame is secured to the back cover to form an accommodating space. The display panel and the light guide plate are disposed in the accommodating space. The light guide plate, which has at least one light incident surface and a light exit surface, is configured between the back cover and the display panel. The light exit surface faces toward the display panel. The metal bracket is disposed at side of the accommodating space. The metal bracket has a first part and a second part connected together. The first part is secured to at least the back cover or the front frame. The light emitting element is between the second part and the light incident surface.

Abstract: A liquid crystal module is provided. A rear frame is provided with a pair of side plates which are formed along a pair of long opposite sides of the rear frame. A light diffuser plate is comprised of synthetic resin and provided with a pair of frame portions which are formed integrally with the light diffuser plate, disposed along a pair of long opposite sides of the light diffuser plate and respectively attached to the side plates of the rear frame. A pair of cushion members are disposed along and inside the frame portions of the light diffuser plate. A liquid crystal panel has an upper edge portion and lower edge portion which are supported by the cushion members. The light diffuser plate is provided with a pair of slope portions which are formed integrally with the light diffuser plate and disposed along and inside the cushion members. The height of each slope portion increases toward an adjacent cushion member for concealing the cushion members.

Abstract: A backlight module includes a light guide plate having a light incident surface, a light source module, at least one catch member, and a cushion member. The light source module is disposed adjacent to the light incident surface and has at least one light-emitting element, wherein a light beam emitted by the light-emitting element is capable of entering the light guide plate through the light incident surface. The catch member engages with one end of the light source module, wherein the catch member has at least one extension part extending towards the light incident surface of the light guide plate, and the extension part has an end surface facing the light incident surface. The cushion member is disposed between the light guide plate and the light source module and is adjacent to the light incident surface of the light guide plate and the end surface of the catch member.

Abstract: Disclosed is a backlight unit. The backlight unit includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes defining a plurality of light emitting areas, at least one module substrate provided on the bottom surface of the bottom frame to support at least one light emitting diode and including a connector to supply external power to the light emitting diode, and a integrated light guide plate to bury the light emitting diode therein and provided at the light emitting areas corresponding to one screen image. Dark lines are prevented in the light guide plate and a slim backlight unit is obtained by forming a integrated light guide plate corresponding to a screen image of the display panel in the backlight unit driven by dividing the light emitting areas.

Abstract: The present invention provides a backlight module and a housing unit structure thereof. The backlight module includes a back plate having a first edge, a second edge, a third edge and a fourth edge. The edges of the back plate are provided with a housing including a plurality of housing unit structures. The housing unit structures have a strip shape or an L-shape, respectively, and are disposed on the back plate by connecting or spacing a distance to each others to assemble into a housing. The backlight module uses an adjustable modular design to adjust the number of the housing unit structures for being suitably applied to various backlight modules with different sizes. Except for reducing the use of material, the development cost and time of the backlight module can be saved.

Abstract: A liquid crystal display device includes a liquid crystal display panel, a plurality of light sources for irradiating onto the liquid crystal display panel, at least two electrode boards at ends of each of the light sources for electrically connecting the light sources, an inverter board aligned parallel to the light sources for providing drive signals to the light sources through the electrode boards, and a first cover for accommodating the liquid crystal display panel, the light sources and the electrode boards on a first side thereof and for accommodating the inverter board on a second side thereof such that the inverter board is substantially on a same plane as a main portion of the cover.

Abstract: A LED display includes at least two standard LED units connected side by side, having a peripheral hole and wire passing hole, a wire passing hole stopper, comprising a first annular seat, fixed around the wire passing hole via a first double sided adhesive, a first silicon rubber sealing ring, and a first screw, provided on one side of the wire passing hole; a second annular seat, fixed around the wire passing hole via a second double sided adhesive, a second silicon rubber sealing ring, and a second screw, provided on the other side of the wire passing hole, and a peripheral hole stopper comprising a third annular seat, fixed around the peripheral hole via a third double sided adhesive, a peripheral hole cap, and an O-shaped sealing ring provided between the third annular seats and the peripheral hole cap.

Abstract: A planar lighting device comprises: a light guide plate including a concave rectangular light exit plane, two light entrance planes containing two opposite sides of the light exit plane and disposed opposite each other, two symmetrical inclined planes opposing to the light exit plane such that their distance from the light exit plane increases with the increasing distance from the two light entrance planes toward the center of the light exit plane, a curved portion connecting the two inclined planes; two light sources respectively disposed opposite the two light entrance planes for emitting light to enter the light into the light guide plate through the light entrance planes; and sliding mechanisms allowing the light sources to slide in a direction parallel to the light entrance planes of the light guide plate to absorb the expansion and contraction of the light sources along the length thereof.

Abstract: A light source device having light guide elements (2a to 2f) and light emitting elements (3a to 3f) for supplying light to each of the light guide elements. The light guide elements each has a wedge-like shape whose thickness is reduced from one end to the other end. The light guide elements are tandem arranged such that the thinner end of a light guide element lies over the thicker end of the other light guide element. Each light guide element has holding sections recessed in the width direction (8a to 8f, 9a to 9f) in its thicker end on which the other light guide element lies. In the light guide device in which the wedge shaped light guide elements are tandem arranged, positional displacement between light guide elements is prevented.

Abstract: A display device includes a light source assembly, a light guide plate (LGP), a lower receiving container, a reinforcing member, a display panel and an upper receiving container. The lower receiving container includes a first coupling portion formed on the first bottom surface. The reinforcing member includes a pressing down part structured to pressing down on an upper surface adjacent to a corner portion of the LGP and a fixing part integrally extending from an end portion of the pressing down part in parallel with a first sidewall of the lower receiving container to have a second coupling portion being coupled with the first coupling portion. The reinforcing member covers the light source assembly. The display panel is disposed on the LGP and the reinforcing member. The upper receiving container includes a third coupling portion coupled to the first coupling portion and the second coupling portion through a coupling member.

Abstract: A chassis assembly comprises a chassis 14 and lamp clips 18. The chassis 14 has mounting holes 33 to 35. Each lamp clip 18 includes a main body 27 to be mounted to the chassis 14, a lamp gripping portions 28 provided on the main body 27 so as to grip cold cathode tubes 17, and mounting portions 30 to 32 protruding from the main body 27 toward the chassis 14 side. The mounting portions 30 to 32 are to be inserted in the respective mounting holes 33 to 25. Rims of the mounting holes 33 to 35 are sandwiched between the main body 27 and the respective mounting portions 30 to 32. Three mounting portions 30 to 32 and three mounting holes 33 to 35 are provided in relative positions so as to restrict mounting of the lamp clip 18 to the chassis 14 in an orientation other than a predefined orientation.

Abstract: A backlight unit and a liquid crystal display using the same are provided. The backlight unit includes a plurality of lamps, each including first and second electrodes, first and second substrates, a bottom case for receiving the substrates and lamps, first and second inverter units, and first and second wires. First and second common electrode patterns are formed on the first and second substrates and are commonly connected to the first and second electrodes, respectively. The first and second inverter units are disposed on a rear surface of the bottom case at positions corresponding to the first and second substrates, respectively. The first wire connects the first common electrode pattern and the first inverter unit via holes in the first substrate and the bottom case. The second wire connects the second common electrode pattern and the second inverter unit via holes in the second substrate and the bottom case.

Abstract: The lighting module includes: a case including an opening from which light is emitted, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate, wherein the lighting source unit includes a substrate, a plurality of light emitting diodes (LEDs) disposed on the substrate, and a sub-reflector which is disposed on the substrate and covers the plurality of the LEDs, and wherein at least 90% of the light emitted from the LEDs is directly irradiated onto the light guide plate.

Abstract: A backlight module and a backplate for use in the backlight module are disclosed. The backlight module comprises a light guide plate, a light source and a backplate; the backplate comprises a baseplate, side plates extending upwards from two opposite sides of the baseplate respectively, and top plates extending from the two side plates respectively and towards each other, and the side plates, the top plates and the baseplate together form recesses for receiving the light source, with two opposite edges of the light guide plate being disposed in the recesses; a fixing post is disposed at an end of the baseplate, and a fixing groove is formed in the light guide plate corresponding to the fixing post, with the fixing post being fitted in the fixing groove; and display panel positioning blocks are disposed at both ends of an upper surface of each of the top plates. Therefore, the backlight module of the present invention is compact in structure.

Abstract: A lamp clip LC supporting a diffusion sheet 46 includes a support pin SP that is in contact with and thereby supports the diffusion sheet 46 and in at least a part of the support pin SP, a helical elastic member is included.

Abstract: A backlight assembly includes a receiving container, a first light source module and a first light source cover. The receiving container includes a bottom portion, a first sidewall and a second sidewall connected to the bottom portion. The first light source module is supported by the bottom portion and adjacent to the first side wall. The first light source cover makes contact with an exterior surface of the first sidewall. The first light source cover surrounds the second sidewall so that a first end portion of the first light source cover covers the first light source module.

Abstract: The backlight unit 12 includes cold cathode tubes 18, a chassis 14, inverter boards 20, relay connectors 21, and covers 22. The chassis 14 houses the cold cathode tubes 18. The inverter boards 20 are arranged on a side of the chassis 14 opposite from the cold cathode tubes 19. The inverter boards 20 are configured to supply drive power to the cold cathode tubes 18. The relay connectors 21 are mounted to the chassis 14 such that the inverter boards 20 are connected thereto so as to be removal therefrom in one of the directions along a board surface of the inverter board 20. The relay connectors 21 are configured to relay power from the inverter boards 20 to the cold cathode tubes 18. The covers 22 are made of material having a lower strength than the chassis 14 and arranged between the chassis 14 and the inverter boards 20. The chassis 14 has receiving portions 35 that project toward the inverter boards 20 and receive the inverter boards 20.

Abstract: A lighting module includes a case including an opening where a light emits from, a base portion corresponding to the opening, and a seat on at least one side of the base portion. The lighting module further includes a light source unit disposed on the seat, a light guide plate placed within the case and optically connected with the light source unit, and a diffusing plate placed within the case and placed below the light guide plate.

Abstract: A surface light source device includes: a light source; a diffusion member that diffuses light; and reflection means provided on a side opposite to the diffusion member with the light source interposed therebetween for reflecting light emitted from the light source toward the diffusion member, wherein the reflection means is formed by layering a plurality of optical components and the plurality of optical components are stopped by each other with stopper means.

Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight including a light source for irradiating the liquid crystal display panel, in which the backlight includes at least a plurality of linear fluorescent lamps arranged in parallel in a plane facing the liquid crystal display panel, fluorescent lamp supporting bases supporting the linear fluorescent lamps, and a frame to which the fluorescent lamp supporting bases are fixed, the fluorescent lamp supporting bases each include a fluorescent lamp supporting member directly supporting the linear fluorescent lamp and a fixing portion fixed to the frame, and a recess is formed in the frame at a portion just behind the fluorescent lamp supporting member.

Abstract: A backlight module includes a housing, at least a light-mixing tube, a plurality of light emitting devices, and at least a reflector. The housing includes a bottom sheet and a frame, in which the bottom sheet and the frame define a chamber. The frame is a hollow structure, and inner walls of the frame define the light-mixing tube. The light emitting devices are disposed at a light entrance of the light-mixing tube. Lights generated by the light emitting devices enter the light-mixing tube from the light entrance, mix in the light-mixing tube, and emit from a light exit of the light-mixing tube. Lights emit from the light-mixing tube are reflected at the reflector and therefore are reflected into the chamber.

Abstract: An assembly for light-emitting devices has a base, at least one light-emitting device, and a cover. The at least one light-emitting device is positioned in recess on the base and is received in a light-emitting device receiving opening on the cover. Latches are provided on the cover and extend into cover mounting openings of the base to latch the cover to the base. The base has a first contact strip and a second contact strip. The first contact strip and the second contact strip have contact ends which extend beyond first and second ends of the base. The contact ends of one assembly may engage the contact ends of a second assembly to provide the assemblies in electrical engagement.

Abstract: In a chassis 13, a cold cathode tube 15 is housed, a planar optical member 16 is provided in an opening portion, and a support component 20 that can support the optical member 16 is mounted. The support component 20 includes a linear support portion 24 linearly extending in parallel with a plane direction of the optical member 16. The linear support portion 24 is curved to become progressively lower from end sides toward a middle side of the optical member 16. The optical member 16 can be warped and deformed by a gap ensured between the optical member 16 and the linear support portion 24. When the optical member 16 is warped and deformed, the linear support portion 24 supports the optical member 16 in a height position corresponding to the warped shape.

Abstract: A display device includes a housing, a liquid crystal panel member, numerous camera modules, a light emitting device and a processing unit. The housing defines a slot configured for allowing an display medium to enter the display device. The liquid crystal panel member is received in the housing. The camera modules are positioned in the reflective housing and each is configured for capturing a sub-images of a corresponding portion of the display medium. The light emitting device is configured for emitting light to the display medium. The processing unit is configured for obtaining an image of the display medium by synthesizing the sub-images of the corresponding portions of the display medium.

Abstract: Provided is a backlight unit. The backlight unit includes a frame, a light guide plate, a light absorption adhesive member, and a white light source. An opening is formed in the frame. The light guide plate is attached to the frame and formed larger than the opening. The light absorption adhesive member attaches the light guide plate to the frame and absorbs incident light. The white light source provides white light to the light guide plate.

Abstract: A clip provided by the present invention includes an insert portion that is inserted into an insertion hole formed in a flat-shaped chassis and that engages with the chassis, and a collar portion that is formed in a flat shape around the circumference of the insert portion. When the insert portion is inserted into the insertion hole, the collar portion and the chassis clamp at least one light emitting board that is positioned in contact with the chassis, and the thickness of the collar portion is set to be equal to or less than an amount of protrusion of a light emitting portion formed protrudingly from the light emitting board.

Abstract: A backlight assembly and a display device including the backlight assembly are provided for one or more embodiments, where the display device is slim, lightweight, and requires low manufacturing costs because the device integrates a receiving container and a light generating unit cover member. According to an embodiment, the backlight assembly includes a first light generating unit, a wire electrically connected to the first light generating unit, a first fixing member including a groove to fix the first light generating unit and a wire outlet, and a receiving container comprising a light generating unit cover member. The first fixing member includes a protruding portion extending outwardly from the receiving container and the wire outlet formed on the protruding portion.

Abstract: A display device includes a display panel including a substrate having electrodes for forming pixels therein, and a backlight which irradiates light to a rear surface of the display panel. The backlight has a plurality of light-emitting elements, a circuit substrate on which the plurality of light-emitting elements are arranged in array. A resin material is filled around sides of the plurality of light-emitting elements.

Abstract: A chassis for an illuminating unit, and an illuminating unit, a display device and a television receiver incorporating the chassis are provided, in which optical sheets are supported in a state where their own weight and an external force are not concentrated at a certain portion thereof, preventing occurrence of wrinkles or deformed portions and falling-off of the optical sheets. A backlight chassis includes stand walls on the sides thereof on which optical sheets are to be placed, and locking pieces protruding from the stand wall on at least one of the sides, the side being a lower side in a normal state in use, and the locking pieces being arranged to lock a lower side of the optical sheets.

Abstract: A backlight module includes a bezel having at least one edge, a circuit board, one or more light emitting diodes connected to the circuit board for emitting light. Each light emitting diode has a light axis which is neither parallel nor vertical to the edge of the bezel. The backlight module utilizes a heat conductive block disposed between the bezel and the light emitting diode for transferring heat generated by the light emitting diode to the bezel.

Abstract: A display module (12) adapted to be received in a module frame (27,34), the display module (12) comprising front and rear substrates (13,14). The rear substrate (14) of the display module (12) is extended in its principal plane to provide a ledge (26), which exposes the inner face (17) of the rear substrate (14) such that the display module (12) may be secured in the module frame (27,34) by a fixing between the inner face (17) of the rear substrate (14) and a face of the module frame (27,34).

Abstract: A mobile device is provided. The mobile device includes a panel assembly, a cover window and an adhesive tape. The panel assembly displays images and the cover window is mounted onto the panel assembly. The cover window protects the panel assembly and detects touches that occur thereon. The adhesive tape forms an open hole at the central portion to separate the cover window and the panel assembly. The adhesive tape adheres the cover window to the edge portion of the panel assembly. The adhesive tape further includes an air path part that provides an air passage for communicating an air chamber with the open hole. The air chamber fills with air. The mobile device can display images without a pooling phenomenon, and reduce the chance of malfunction when the user touches the panel assembly via the cover window.

Abstract: In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing.

Abstract: An optical module with an optical film and a positioning frame is disclosed. The positioning frame firmly fixes the optical film of the optical module so as to prevent the deviation of the optical film. The optical film has at least a first lug with a base portion and an expansion portion extending outwardly, wherein the width of the expansion portion is wider than the base portion. The positioning frame has a side wall and a flange. The flange is disposed on the side wall and has a first opening. The flange located at one side of the first opening has a first protrusion extending outwardly the side wall on the two sides of the first opening. The first opening is used to contain the base portion of the first lug, and the expansion portion of the first lug can be disposed under the first protrusion.

Abstract: An electro-optical device includes an electro-optical panel, a lighting unit that is disposed to overlap with the electro-optical panel in a plan view and that irradiates the electro-optical panel, and a frame-shaped holding member that has an adhesive layer for holding the electro-optical panel and the lighting unit. The holding member is provided at an outer peripheral end surface of the electro-optical panel and an outer peripheral end surface of the lighting unit, and fixes the electro-optical panel and the lighting unit.

Abstract: An image display apparatus includes a display for outputting an image, a supporting device supporting the display, the supporting device contacting directly on an installing surface and extending upward, the supporting device being provided with an inner hollow portion, and a light emission unit emitting light reflecting from the inner hollow portion.

Abstract: Various embodiments of a lighting module are described. In one aspect, a lighting module comprises a metal support, a circuit board, and a plurality of light emitting diodes. The metal support has a recess, sidewalls, and a plurality of holes on the sidewalls. The circuit board is fastened on a bottom portion of the recess of the metal support and has two long sides, two short sides, and a respective plurality of flanges on each of the two long sides. The flanges are inserted into the holes of the metal support to compact the circuit board and the metal support. The light emitting diodes are disposed on the circuit board.

Abstract: A connecting structure for connecting a cable and a light source includes a wound part and a pin-shaped terminal. The wound part is formed at a distal end of the cable by bending an exposed end of a lead wire of the cable in a spiral shape. A direction of a center axis of the wound part substantially coincides with a direction of the distal end of the cable. The pin-shaped terminal is disposed at an end of the light source and fixedly connected to inside of the wound part. A direction of the pin-shaped terminal substantially coincides with the direction of the distal end of the cable.

Abstract: The present invention relates to a fixing structure for printed circuit board of backlight module. It includes a protective cover having at least one first supporting portion and the first supporting portion having a first protrusion; a printed circuit board having at least one pierce hole; and a back plate having at least one second supporting portion and the second supporting portion having a second protrusion, wherein the first supporting portion and the second supporting portion oppositely support the printed circuit board, the first protrusion and the second protrusion oppositely wedge in the pierce hole, and two copper areas respectively surround two ends of the pierce hole and electrically connect with the first supporting portion and the second supporting portion. The present invention economizes the cost of using screws and eliminates the static electricity from the printed circuit board of the backlight module.

Abstract: A backlight module and a method for manufacturing a base thereof are provided. The backlight module base includes a back plate and a frame. The back plate has a plate body and at least one sidewall, which includes a wall body and a folding structure bending from the top of the wall body. The folding structure, the plate body, and the wall body together enclose a groove. The frame is formed on the plate body and adjacent to an inner surface of the sidewall. A part of the frame is embedded into the groove. The engagement between the frame and the groove increases the contact area between the frame and the back plate to improve the connection strength. In addition, the folding design of the sidewall increases the rigidity of the whole structure.

Abstract: A backlight structure includes: light source modules 1 and 1; a light guide plate 2 disposed between the light source modules 1 and 1; a rear plate 3 disposed at the rear side of the light source modules 1 and the light guide plate 2; a fan-mount plate 4 disposed at the rear side of the rear plate 3; and a cooling fan 5 mounted on the fan-mount plate 4. The rear plate 3 has portions thereof at the rear side of the light source modules 1 and 1 formed into protruding portions 3a, and has a portion thereof between the upper and lower protruding portions 3a formed into a flat surface 3b. A cooling wind passage 11 is formed between a front surface 4a of the fan-mount plate and the flat surface 3b of the rear plate. Heat from LED chips 1a of the light source modules is made to concentrate at the protruding portions 3a of the rear plate and is then rejected into the outside by the wind guided from the cooling fan 5 into the cooling wind passage 11.

Abstract: The present invention provides a backlight module and a housing unit structure thereof. The backlight module includes a back plate having a first edge, a second edge, a third edge and a fourth edge. The edges of the back plate are provided with a housing including two housing strips and housing unit structures. The housing strips are disposed on the first edge and the third edge. The length of the housing unit structure is shorter than that of the second or fourth edge of the back plate, so that the second or fourth edge can be mounted with a suitable number of the housing unit structures, while insufficient length portion is compensated by buffering strips. The backlight module uses an adjustable modular design to adjust the number of the housing unit structures and the buffering strips for being suitably applied to various backlight modules with different sizes. Except for reducing the use of material, the development cost and time of the backlight module can be saved.

Abstract: A low profile backlit graphic display device enables a user to display an illuminated graphic hung from the user's neck. The device comprises a housing, a light source assembly, and a number of optical element panels. The housing comprises housing edging, an assembly-receiving cavity, and a coupler-receiving aperture. The housing edging defines a panel-receiving section in anterior adjacency to the assembly-receiving cavity. The light source assembly is receivable in the assembly-receiving cavity. The panels may include a reflector panel, a light guide panel, and an interchangeable graphic panel. The panels are positionable in anterior adjacency to the assembly-receiving cavity within a panel-receiving section. The graphic panel is positionable in anterior adjacency to the light guide panel for illuminating a graphic by way of panel-guided light. A lanyard assembly is attachable to the coupler-receiving aperture and wearable about the neck for enabling the user to display a neck-hung illuminated graphic.