Abstract: A lighting device comprises a side-light light guide (12) located in a support (13). To facilitate the location of the light guide (12) in the support (13) and ensure its retention in a predetermined orientation, at least one location feature (11) is formed on/in the light guide for engagement by the support. Advantageously, the/each location feature (11) has no substantial effect on the light output of the light guide through its light-emitting region (18).

Abstract: In a liquid crystal display module of edge light system, a periphery of a liquid crystal panel, a light guide plate and a reflective sheet are laid one upon another and surrounded by a case, and a lamp and a reflecting plate are disposed between an incidence surface of the light guide plate and a side of the case. A rear side of the module is not covered by the case. The reflecting plate is of a groove type that the lamp is held in the groove while an opening of the groove is opposed to the incidence surface. The case has an opening formed in a predetermined side of the case. The reflecting plate is insertable through the opening. The reflecting plate is slid from the opening while a reflecting plate bottom is in abutment against a side of the case, thereby being detachably attachable.

Abstract: An exemplary backlight module (20) includes a lamp (231), a power supply for providing power to the lamp, and a frame (27) for receiving the lamp. The frame includes at least one lamp connecting mechanism. Each lamp connecting mechanism includes two electrical connecting tubes drill through the frame. Two ends of each lamp are electrically connected to the connecting tubes respectively at an inner side of the frame. Both of the connecting tubes are electrically connected to the power supply.

Abstract: A spread illuminating apparatus of side light type includes a transparent resin plate integrally composed of a light conductor plate portion and a housing frame portion, a light reflecting sheet, and a light source, wherein an opening for housing the light source is provided at a side portion of the transparent resin plate, slits are provided along a boundary between the light conductor plate portion and the housing frame portion, and wherein a gate for injecting resin into a molding die cavity for the transparent resin plate is positioned outside the boundary of the light conductor plate portion and the housing frame portion and is positioned also between the opening and one of slits which are provided toward the side portion of the transparent resin plate having the opening and which are located clear of the opening.

Abstract: A frame includes a main frame and a receiving frame. The main frame includes a base and several circumferential sidewalls extending from the base. At least two opposite stepped elements are defined at the top of two opposite sidewalls. Each stepped element includes a tread portion extending from the sidewall toward an inner of the main frame, a riser portion extending from the end of the tread portion toward the opening. The receiving frame includes a frame body, a rim portion extending from a bottom of the frame body toward an inner of the frame body, and at least two grooves defined in the rim portion corresponding to the two stepped elements. Each groove of the receiving frame may be inserted into the corresponding stepped element. A backlight system using the frame is also provided, which has a narrow-framed, space-saving design, and also can be assembled easily.

Abstract: A lamp fixing structure is arranged with a lamp which has an electrode and a wire electrically connected to the electrode. The lamp fixing structure includes a lamp holder and at least one lamp protecting member. The lamp holder has at least one pressing part. The lamp protecting member has a first hole. The lamp is inserted into the lamp protecting member. The wire passes through the lamp protecting member from the first hole. The pressing part presses the lamp protecting member so that the first hole is fitted to the wire tightly.

Abstract: A backlight module for use in a planar display panel is disclosed. The backlight module comprises a lamp tube set, a light guide plate and a positioning body. The lamp tube set comprises a lamp housing and at least a lamp tube. An optical film is disposed on the light guide plate. The light guide plate has a side for insetting the light guide plate into the lamp tube set. Furthermore, the positioning body is disposed on an inner wall of the lamp housing and comprises at least a flange against the side. The light guide plate is positioned to contact the positioning body so as to form gaps between the at least a lamp tube and the light guide plate or between the optical film and the lamp housing.

Abstract: The present invention is broadly directed towards a receiving container for an LCD apparatus for securing a lamp and lamp wiring connected to a lamp. The receiving container has features for substantially preventing the lamp wiring from being disconnected from the lamp. For example, a first through-hole for receiving the lamp wiring, a first trench, securing members, and securing projections are utilized to substantially prevent lamp wiring from being disconnected from a lamp. Additionally, the LCD apparatus is easily handled, dissipates heat effectively, and has a light weight.

Abstract: A bottom frame for a liquid crystal display device includes a bottom surface, four side surfaces attached to the bottom surface, the four side surfaces along with the bottom surface define a space, first and second holes in two side surfaces, the first and second holes opposite to each other in two opposite side surfaces, and affixing structures at the bottom surface and spaced apart from each other.

Abstract: A front cover (1) is engaged with a plate-like slide mounting bracket (3b), a liquid crystal panel (2) is fixed to the front cover (1) by a panel contact portion (31) of the slide mounting bracket (3b), and a back cover (5) is fixed to the front cover (1) through the plate-like slide mounting bracket (3b) by screwing a screw into a tapped hole (33). As a result, it is possible to narrow a width (b) which is obtained by subtracting a width of an overlap portion of the liquid crystal display panel (2) from a width (B) of a frame portion of the front cover (1) because no fixing boss for mounting the back cover (5) is required for the front cover (1). Consequently, the frame of the front cover (1) can be narrowed.

Abstract: A planar lighting device is capable of keeping the light entrance plane of the light guide plate spaced a constant distance from the light source and the light guide plate spaced a constant distance from the liquid crystal display panel even when the light guide plate expands, contracts or warps. This prevents break of the light source, decrease of light admission efficiency, occurrence of uneven brightness, and break of the liquid crystal display panel and permits a thin, larger, and lightweight design. The planar lighting device includes a fixing member for keeping them spaced from each other, a housing for accommodating the light source and the light guide plate, a sliding mechanism to elastically hold the fixing means against the housing while keeping the light source spaced a constant distance from the light guide plate, and a reinforcing member for reinforcing the housing.

Abstract: A backlight assembly includes a light source providing light, a mold frame receiving the light source unit and a bottom chassis. The bottom chassis includes a bottom plate, sidewalls extending from the bottom plate and an extension part bent from at least one of the sidewalls and overlapping an adjacent sidewall. The mold frame and the bottom chassis are integrally formed. The extension part overlaps the adjacent sidewall at a corner of the bottom chassis. Thus, the torsional strength of the bottom chassis and a backlight assembly having the bottom chassis is improved. The torsional strength is maintained when a backlight assembly is manufactured.

Abstract: A backlight unit is presented that contains lamp support structures uniquely fitted to facilitate installation of lamps in a particular orientation. The backlight unit has tube light-emitting lamps, each of which is fitted to an asymmetric lamp holder. Lamp supports fixedly engage the asymmetric lamp holders fitted to the tube type light-emitting lamps. At least one of the lamp holders has an asymmetric hole. An outer case includes the supports to fix and support each lamp. At least one lamp has a treated surface that includes an optical sheet having a light transmittance lower than 100%.

Abstract: A backlight assembly includes an optical unit including a lamp unit emitting light. The backlight assembly also includes a receiving container. The receiving container includes a plurality of side walls, a bottom plate separably combined with the side walls, and a combining element for combining the side walls with the bottom plate. The receiving container receives the optical unit in a receiving space defined by the side walls, the bottom plate, and the combining element.

Abstract: A support structure for a light source prevents the occurrence of a contact noise caused by contact of the light source with elements disposed around it due to vibrations. In the support structure, at the front of a backlight unit, cold cathode tubes as light sources and optical sheets for controlling the properties of light emitted from the cold cathode tubes are placed, and a frame substantially in the shape of a square with an opening is attached thereto from the front, so that rubber holders attached to the ends of the cold cathode tubes and the edges of the optical sheets are secured while disposed between the backlight unit and the frame.

Abstract: An illuminated, shallow weatherproof signage character has individual three dimensional back-lighted/front/side and/or silhouette-lighting, with frosted areas of plastic, with virtually no limitation on the size or number of individual characters, which may be moulded or machined from solid plastic, which is U/V protected. Miniature, preferably LED lamps are concealed in the character. The life of the LED lamps is extended by limiting the applied voltage and the “on” time. The signage characters are usually elevated from their supporting surface, to effect back-lighting. Colored LED's or a RBG LED, can be used selectively to color the plastic signage.

Abstract: An exemplary backlight module (20) includes a light source (23), a light guide plate (21), a light source reflector (22), and a holding device (24). The light guide plate includes a light incident surface (211). The light source is disposed adjacent to the light incident surface. The light source reflector attaches to the light guide plate, and includes a fixing hole (224). The holding device engages with the light source reflector at the fixing hole and restrains the light source in position a predetermined maximum distance away from the light source reflector.

Abstract: A backlight assembly includes a receiving container receiving a light guide plate and a lamp and a fixing member holding the light guide plate. The fixing member supports an incident face of the light guide plate, into which a light emitted from the lamp is incident, thereby preventing movement of the light guide plate towards the lamp. Thus, the backlight assembly may fix the light guide plate to the receiving container without reforming the light guide plate, so that the backlight assembly may supply light having uniform brightness to a liquid crystal display panel to improve its display characteristics.

Abstract: An exemplary backlight module (3) includes a light guide plate (32) and a frame (34) accommodating the light guide plate. The light guide plate includes a main body including two side surfaces (321), and two sliding strips (325). The sliding strips extend outward from the side surfaces of the main body. Each sliding strip includes a flexible detent (326). The frame includes two opposite first walls (341). The first walls defines two sliding guides (3411) slidably receiving the light guide plate whereby the light guide plate is slidable into the frame and detachably fixed in the frame by snapping engagement of the flexible detents with the frame.

Abstract: The present invention provides a backlight module and a support device for a sheet-form optical element contained within the backlight module. The backlight module mainly includes a frame, a support device and the sheet-form optical element disposed within the frame. The support device includes a support portion and a positioning portion. The support portion has a support end and a connection end. The support end extends into the space within the frame, and supports the bottom end of the sheet-form optical element. The positioning portion has a first end, a second end and a bend portion connecting the first end with the second end. The first end connects to the connection end of the support portion, and an included angle exists between the first end and the support portion. The positioning portion of the support device is inset in the frame to provide a support force for the support portion.

Abstract: A backlight module (200) typically used in a liquid crystal display (LCD) (20) includes at least one light emitting unit (250), and a frame (260) receiving the at least one light emitting unit therein. The frame includes a main body (261), and at least one elastic member provided at an outer side surface of the main body. The LCD employing the backlight module can be prevented from being damaged if the LCD falls to the ground or is bumped.

Abstract: A lamp holding apparatus for mounting a lamp to a base member includes a mounting plate having a pair of locking portions protruding to a base side. The locking portion is inserted into a mounting hole provided at the base and capable of being locked to a peripheral edge on its back side. Abutting portions, which protrude to the base side and are capable of abutting the base at the time of mounting, are provided on a bottom surface of the mounting plate that is an opposing surface to the base. The abutting portions are provided at three spots with one of the locking portions interposed therebetween. At the time of mounting, each of the abutting portions abut the base, and the mounting plate is elastically deformed so as to be warped, whereby the locking surface of the locking portion is kept in the state in which it is locked to a peripheral edge of a back side of the mounting hole by its elastic force.

Abstract: A line illumination device includes: a frame; a rod-shaped light-guiding member housed in the frame; a flexible substrate; and a light source that is provided on the flexible substrate and emits light to the light-guiding member. The flexible substrate is bent so that the light source is disposed at an end of the light-guiding member and that the flexible substrate is housed in the frame. Power is supplied to the light source through a wiring provided on the flexible substrate so that the light source emits light and the light-guiding member emits light in line-shape.

Abstract: An exemplary backlight module (11) includes a frame (17), and a light guide plate (16) received in the frame. The frame includes a supporting board (170) defining a notch (174) therein. The light guide plate includes a light incident surface (160), a side surface (166), and a first ear (168) outwardly extending from the side surface. The first ear is received in the notch, and a top surface of the first ear is coplanar with a top surface of the supporting board at the notch.

Abstract: In a backlight assembly and a flat panel display apparatus, the backlight assembly has a diffusing plate, a supporting member and a reflecting plate. The supporting member has a base body portion, a supporting portion supporting the diffusing plate and a lamp holder receiving lamps to uniformly maintain spaced intervals between the lamps. The base body portion is disposed under the reflecting plate. The supporting portion and the lamp holder are inserted through engaging openings formed at the reflecting plate such that the supporting portion and the lamp holder are upwardly protruded with respect to the reflecting plate. Accordingly, the backlight assembly may reduce an area of the reflecting plate covered by the supporting member, thereby providing the light having uniform brightness distribution.

Abstract: In a backlight assembly and a display device having the same, a receiving container includes a bottom plate and sidewalls adjacent to the edges of the bottom plate. A molded frame includes a first plate surrounding the sidewalls and a second plate connected to a side of the first plate. A second plate is substantially parallel with the bottom plate. A lamp assembly includes a lamp cover received in the receiving container and a lamp received in the lamp cover. An optical module is interposed between the molded frame and the receiving container to improve optical characteristics of a light generated from the lamp. A fixing member is combined with fixing portions of the receiving container, the molded frame and the lamp assembly to fix the receiving container, the lamp cover and the molded frame to one another. As a result, the manufacturing process can be simplified and mechanical strength improved.

Abstract: A direct type backlight assembly is disclosed, in which a lamp guide is formed in a shape which can absorb an external force to prevent distortion from occurring from contact between the lamp guide and a diffusion plate, and to prevent the diffusion plate from being damaged. The direct type backlight assembly includes a light-emission lamp provided under an LCD panel; a reflecting plate provided on the bottom side of the light-emission lamp; a diffusion plate provided above the light-emission lamp; optical sheets provided on the diffusion plate; and a lamp guide provided on and connected with the reflecting plate, wherein the lamp guide has a supporter having a compression structure, the height thereof varying based on a load applied thereto.

Abstract: A point holder, for a glass panel provided with holes, has a first mounting part reaching over a front edge of the glass panel hole in an installed position, a second mounting part reaching over a rear edge of the glass panel hole and, where appropriate, a housing part located at least partly in the glass panel hole. A mounting device is provided for load-transmitting fastening of the point holder on a supporting structure. The point holder has an electro-optical device, at least a partial area of which is located on or between the first and second mounting parts, and by which energy and/or signals can be coupled into the glass panel and/or the area around the point holder, and an electro-optical supply line. The first or second mounting part, or both mounting parts, have a lead-through for the supply line located outside the load-transmitting mounting device.

Abstract: An object of the present invention is to provide a display device with high withstand mechanical-shock property, and improve quality of the product by controlling occurrence of display defects such as uneven luminance. The display device includes a light guiding plate 1 being provided a light source 5 on an upright surface 1b, optical sheets 2 being provided at a side of light emitting surface of said light guiding plate, a light source supporting member being provided for supporting said light source and a frame 4 having a protrusion 4a for supporting said light guiding plate from the upright surface 1b of said light guiding plate 1. Furthermore, a projection is formed at optical sheets, and cut-out, which includes the projection therebetween, is provided at the frame 4.

Abstract: A backlight module including a first frame, a light guide plate, and a light source is provided. The inner surface of the first frame has at least a first reflection area. In addition, the light guide plate is disposed in the first frame and located beside the first reflection area, and the light guide plate has a light incident surface. Moreover, the light source is disposed in the first frame and between the first reflection area and the light incident surface. The first reflection area is suitable for reflecting a part of the light emitted from the light source to the light incident surface. A liquid crystal display using the backlight module is also provided.

Abstract: A display device with a structure which is used to affix an optical plate on a frame in a panel of the display device. The optical plate has a protruding region with a slit. The structure includes a first hook-like member, disposed on one side of the frame and having an extending portion for passing through the slit and hooking the protruding region of the optical plate. A blocking member is disposed on the side of the frame and separated from the first hook-like member, having a sidewall against an edge of the protruding region of the optical plate.

Abstract: The present invention relates to a backlight unit including a bottom case including a receiving space; a plurality of divided light guide panels arranged in the receiving space in parallel; light source units arranged at one side of each of the divided light guide panels; and fixing members for preventing movement of the light guide panels by being arranged between the divided light guide panels in order to prevent the movement of the divided light guide panels.

Abstract: A backlight connector includes a housing having a backlight lamp receiving opening with an inclined guide groove and a cover having a terminal insertion member and an inclined surface corresponding to the inclined guide groove. The inclined surface and the terminal insertion member extending into the backlight lamp receiving opening when the cover is moved from an uppermost position to a lowermost position along the inclined guide groove.

Abstract: The present invention discloses a backlight module having replaceable light apparatus. The backlight module includes the replaceable light apparatus, a back plate and a frame body. The replaceable light apparatus includes a light control circuit, a securing device and conducting wires. The light control circuit is adapted to a frame body and a back plate of the backlight module. Additionally, the light control circuit has a plurality of light sources, a first end portion and a second end portion. The securing device has a supporting housing which has a position protrusion and a clamping portion for supporting the first end portion of the light control circuit along a first direction (X) and a third direction (Z). The clamping portion clamps the first end portion of the light control circuit along a second direction (Y) and the third direction (Z).

Abstract: A backlight assembly includes: lamps; lamp holders each holding at least one of opposite ends of a corresponding one of the lamps, the lamp holders being electrically connected with external electrodes of the lamps; and a lower frame formed to partially cover the lamp holders such that the lower frame is formed in one unified body with the lamp holders.

Abstract: A light-source fixing structure for the backlight module is disclosed. The light-source fixing structure includes: a light guide plate provided with a light-incident surface; a cover having a groove, wherein the groove has a surface facing toward to the light-incident surface of the light guide plate; a light bar arranged upon the surface of the groove. The light bar may be replaced easily by sliding out from the groove when the light bar is damaged. The cover not only may enhance the strength of the backlight module but also may prevent the backlight module over temperature.

Abstract: A backlight assembly and a liquid crystal display having the same which can prevent a lamp wire from being damaged, simplify the manufacturing process, and reduce the manufacturing cost. The backlight assembly includes a receiving container for receiving a lamp, a lamp wire, connected to the lamp, for supplying power to the lamp, and a lamp holder, coupled to the receiving container and connected to the lamp, for guiding the lamp wire in parallel with the lamp.

Abstract: A backlight device is incorporated into a liquid crystal display device so as to illuminate a liquid crystal panel from a backside. The backlight device includes a light-guiding plate emitting a light, which is incident on a side surface thereof, from a front surface, and a reflector arranged along the side surface of the light-guiding plate so as to reflect a light from a light source accommodated inside thereof and guide the light to the side surface of the light-guiding plate through an opening part. A least one minute protruding part, which protrudes in a direction parallel to the side surface of said light-guiding plate, is formed on an edge part of the opening part of the reflector facing the light-guiding plate. The side surface of the light-guiding plate is brought into contact with the protruding part of the reflector when the light-guiding plate moves toward the reflector.

Abstract: A surface light-source device includes: a plurality of point light sources; a light-guide plate arranged for emitting from its emitting surface the light incident on one lateral side thereof from the point light sources; a lower case having a lateral side formed approximately in parallel to the incident surface of the light-guide plate; and a light-source substrate on which the plurality of point light sources are arranged at predetermined intervals, disposed on the light-guide plate side. The surface light-source device is includes a substrate holder that clamps the light-source substrate and the lateral side of the lower case by projections arranged on the substrate holder between adjacent two of the light sources.

Abstract: An exemplary holding frame (20) is for fixing lamp pairs (31) having electrode holders (311) and lamps wires (312), and includes a top surface (201), a bottom surface (202), an inner surface (203), and an outer surface (204). The top surface defines plural electrode receiving openings (2011). The bottom surface defines plural wiring openings (2021). The outer surface defines plural electrode groove pairs (2041), and each electrode groove of each of the electrode groove pairs communicates between a respective one of the wiring openings and a respective one of the electrode receiving openings. The electrode groove pairs are configured for receiving the electrode holders of the lamp pairs. The bottom surface defines plural wiring channels (2022), and each wiring channel communicates between the wiring openings at a corresponding electrode groove pair. The wiring channels configured for receiving selected portions of the lamps wires.

Abstract: A supporting structure is applied to a backlight module including several optical sheets. The supporting structure includes a fixing component and a supporting component. The fixing component has a through-hole and an opening connected to each other. The supporting component includes a supporting pin, a block, a plate and a protrusion. The supporting pin has a top end for supporting the optical sheets and a bottom end at which the block is disposed. The plate is disposed on the supporting pin. The protrusion is disposed on the plate and faces the bottom end. After the block goes through the through-hole and rotates an angle, the plate and the block respectively press against upper and lower surfaces of the fixing component for clamping the fixing component. The protrusion is engaged in the opening for positioning the supporting component, so that the supporting component is fixed onto the fixing component.

Abstract: A lamp holder including a supporting base; holding units to hold a light source, which are provided on one surface of the supporting base; and locking units to lock the supporting base in a predetermined position, which are provided on the other surface of the supporting base; and the holding units are provided at at least both ends of the supporting base, and the locking units extend outside the supporting base along a longitudinal direction of the supporting base at the both ends of the supporting base, the locking units comprising a first locking unit which is engageably inserted in a predetermined opening and an elastically deformable second locking unit which is a projecting unit shaped in an approximately oval shape projecting in a thickness direction of the supporting base and which is inserted in a predetermined through hole.

Abstract: An illumination device includes light sources; a light source substrate on which the light sources are mounted; a light guide panel having a light entrance plane to be arranged so as to oppose the light sources on a part of an end surface thereof; and spacers interposed between the end surface of the light guide panel and the light source substrate, wherein the light sources and the light guide panel are kept in a non-contact state by a space formed by the spacers.

Abstract: A light source module includes at least a light source and a housing. The housing includes a base having a slanted reflective surface, a plurality of sidewalls extending out of a peripheral of the base cooperatively defining an opening with the base, the sidewall aligned with a trough of the slanted reflective surface having an inner surface and an outer surface opposite to the inner surface, and a plurality of fin structures formed on the outer surface of the sidewall. The light source is fixed on the inner surface of the sidewall. Light rays emitted from the light source being reflected at the slanted reflective surface toward the opening. A backlight system using the light source module is also provided. The present backlight system has a good heat dissipation capability due to an employment of the present light source module, and can be configured to be a thin body.

Abstract: A direct-type backlight module and a lamp holder thereof are disclosed. The lamp holder includes a plurality of lamp seats, and a plurality of connecting arms each connected with at least one adjacent lamp seat. Each lamp seat has a retaining portion for retaining a corresponding lamp therein. Each connecting arm has a bendable portion that can be bent along a horizontal direction so as to adjust a distance between adjacent lamp seats. Therefore, the lamp holder of the present invention has a capability to retain several lamp groups spaced at different intervals for different LCD types or with lamp assembly tolerances, and thereby achieves a higher convenience in the LCD assembly.

Abstract: A backlight module is disclosed, in which the backlight module includes a lamp, a first wire electrically connected to a first end of the lamp, a second wire electrically connected to a second end of the lamp, and a lamp holder having a groove for supporting the lamp. Preferably, the second wire is fixed in the groove while extending from the second end of the lamp to the first end of the lamp.

Abstract: An edge type backlight module includes a diffusion plate, at least a lamp-fixing unit, at least a light source and a reflective plate. The lamp-fixing unit is disposed under one edge of the diffusion plate. The lamp-fixing unit includes an inner surface facing the inner area underneath the diffusion plate, an outer surface opposite to the inner surface, and a plurality of fin structures defined on the outer surface. The light source is fixed on the inner surface of the lamp-fixing unit. The reflective plate is disposed adjacent the lamp-fixing unit and under the diffusion plate, facing the light source. Light rays emitted from the light source being uniformly reflected toward the diffusion plate by the reflective plate. The present backlight module has a thin body and also has a good heat dissipation capability.

Abstract: An object of the invention is to make a light source and a power supply line detachable easily so as to enable the light source to be replaced easily for maintenance. The invention provides a lighting device for a display, which includes a light source having electrode terminals provided at both ends thereof, connectors attached to the ends of a power supply line for supplying power to the light source, light source-holding chassis placed at the ends of the light source, and insertion portions opened in the chassis. The electrode terminals of the light source are placed inside the insertion portions, and the connectors are fitted detachably in the insertion portions from the outside, whereby the terminals in the connectors are connected to the electrode terminals.

Abstract: A backlight unit for a liquid crystal display device includes: a lamp; a light guide plate adjacent to the lamp; a reflector under the light guide plate; a lamp housing covering the lamp, the lamp housing being combined with edges of the light guide plate and the reflector; and a housing pad under the lamp housing, the housing pad overlapping an edge of the lamp housing.

Abstract: A portable display device includes a display panel, a backlight assembly having a light source for supplying light to the liquid crystal display panel and having a mold frame with a periphery step platform. A bottom chassis is combined with the mold frame, the bottom chassis having a bent unit surrounding the periphery step platform.