Abstract: To provide a backlight unit capable of improving color purity of a prescribed emission color as well as obtaining a uniform emission colors in the entire device, and a liquid crystal display device comprising thereof. Backlight unit B comprises: a LED 13 for compensating emission intensity of red wavelength light of a fluorescent tube 11, being arranged in between each of a plurality of said fluorescent tubes 11 arrayed in up and down directions, and a LED 13a for compensating emission intensity of red wavelength light of a fluorescent tube 11a, being arranged in the outside of each of two fluorescent tubes 11a arranged in the outermost of a plurality of said fluorescent tubes 11.

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 cold-cathode fluorescent lamp including a glass bulb and a pair of electrodes which are cylindrical and respectively inserted in two ends of the glass bulb. Two end portions of the glass bulb are substantially circular in transverse cross section, the two end portions respectively corresponding to the inserted pair of electrodes in length. At least part of a middle portion of the glass bulb is flat in transverse cross section, the middle portion corresponding to a space in the glass bulb between the pair of electrodes.

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 lamp module for use in a liquid crystal display includes a lamp tube, a reflector, a dismantling mechanism disposed on the reflector. The reflector comprises a first side, a second side, and a third side forming a sink, for accommodating the lamp tube and reflecting light from the lamp tube. The dismantling mechanism disposed on the reflector and outside a bezel of the liquid crystal display when the lamp module is assembled to the liquid crystal display. The lamp module is capable of being disassembled from the bezel of the liquid crystal display by applying a force on the dismantling mechanism.

Abstract: A light guide plate includes a light incidence surface, a light reflection surface, and a light emission surface. The light reflection surface forms a plurality of light-guiding structures extending in a direction substantially parallel to a light source. The light reflection surface has an edge margin section adjacent to the light incidence surface and having opposite end zones each containing auxiliary light-guiding structures that extend in a direction substantially perpendicular to the light source and has an irregular V-shaped cross-section defined by a long inclined side, which faces endwise, and a short inclined side. The auxiliary light-guiding structures are distributed from a densest condition at each end portion toward a sparsest condition at a middle portion of the edge margin section. The long side helps to redirect a greater amount of light to a desired light emission direction thereby enhancing uniformity of light emission of the light guide plate.

Abstract: A backlight assembly includes a light source, a light-guide plate and an integrally formed frame. The light-guide plate guides light generated from the light source. The integrally formed frame includes a chassis and a mold frame integrally combined with the chassis as an indivisible unitary element through insert/outsert injection. The integrally formed frame receives the light source and the light-guide plate. A hemming part is formed on a sidewall of the chassis to increase strength of the integrally formed frame. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved.

Abstract: A backlight unit that converts ultraviolet light emitted from light-emitting lamps into visible light is disclosed. The backlight unit also reflects the visible light, thus achieving improved luminance. The backlight unit includes a plurality of light-emitting lamps arranged substantially in parallel, an outer case that fixes and supports the light-emitting lamps, and a reflection sheet disposed within the outer case and containing a fluorescent material that converts ultraviolet light into visible light and reflects the visible light.

Abstract: A backlight assembly includes a plurality of lamps, a first reflecting plate and an optical member. The lamps are disposed substantially parallel with each other and generate light. The bottom reflecting plate is disposed under the lamps to reflect the light. The first reflecting plate is disposed over the lamps to transmit and reflect the light and has a plurality of penetration holes for transmitting the light. The optical member is disposed over the first reflecting plate. The formation density of the penetration holes increases as a position of the penetration holes approaches an intermediate region between adjacent lamps from a region corresponding to a position of the lamps.

Abstract: The fluorescent lamp retaining member retains two lamp units each including two fluorescent lamps that have electrodes at both ends thereof, a bundling member that bundles a wire from each of electrodes at one end of the two fluorescent lamps, and a conductive member that connects electrodes at the other end of the two fluorescent lamps through a conductive path. The fluorescent lamp retaining member holds the vicinity of the central of each of the fluorescent lamps so arranged in parallel as to set the bundling members in the same direction. The fluorescent lamp retaining member allows one retained lamp unit to rotate relative to the other retained lamp unit adjacent thereto, and so retains the lamp units adjacent to each other that the bundling members and conductive members are arranged alternately after one lamp unit has been rotated.

Abstract: A surface light-source device is composed of a light guide plate, luminescent panels and reflector sheets. The light guide plate is composed of three light guide units respectively formed in a rectangular plate-like shape having a rectangular light emission surface, a thick portion, a thin side portion, an incline rear portion and a parallel groove. The luminescent panel includes two element lines formed by aligning LEDs. The parallel groove is formed so as to be symmetrical about a center line, which is perpendicular to the light emission surface, and so as to dwindle its width toward the light emission surface. The light emitted from the LED toward an overhead portion and having the highest brightness is diffused by a groove surface of the parallel groove and is taken into the light guide unit. Thus, brightness unevenness is reduced at the light emission surface.

Abstract: A planar light source of the present invention includes a light source part, a light guide part for guiding light emitted from the light source part to form planar emission of the light, and a reflector for reflecting light emitted from the light source part to allow the light to enter the light guide part. The reflector has a member for controlling the amount of reflected light capable of controlling the amount of reflected light.

Abstract: A light emitting lamp and a backlight unit having the same are disclosed. The light emitting lamp is capable of reducing a tube voltage thereof and increasing an effective light emitting region via an increased area of external electrodes. The light emitting lamp includes a linear lamp tube having a plurality of protuberances formed at both ends thereof, and first and second external electrodes externally arranged at both ends of the lamp tube and having a plurality of protuberances to be engaged with the protuberances of the lamp tube.

Abstract: A backlight assembly includes a plurality of lamps, a receiving container, a reflective plate and a lamp-securing member. The lamps are arranged substantially parallel to each other and generate light. The receiving container receives the lamps. The reflective plate is disposed between the lamps and the receiving container. The lamp-securing member includes a body disposed on the reflective plate, a lamp-securing portion formed on the body and securing the lamps, a combining portion combined with the receiving container and a slit portion adjacent to the combining portion.

Abstract: A backlight unit includes a lamp to generate and radiate an ultraviolet ray, a light guide plate including a light receiving portion to receive the ultraviolet ray, an optical sheet disposed on the light guide plate to change the ultraviolet ray into a visible ray, the optical sheet including a fluorescent material, and a reflective sheet arranged under the light guide plate.

Abstract: A display apparatus includes a panel, a first light source, a second light source, a first light guide plate, a second light guide plate, and a processor. The panel includes a first area for displaying a first data and a second area for displaying a second data. The first light guide plate corresponding to the first area reflects the light provided by the first light source to the first area. The second light guide plate corresponding to the second area reflects the light provided by the second light source to the second area. The processor determines the states of the first light source and the second light source. The first or second light source is not operated all the time so as to conserve the power.

Abstract: An illuminating device for a display device includes a light source lamp and a lamp supporting member and has (1) a configuration in which the lamp supporting member has a fixing pin provided at a position other than a position substantially just under the light source lamp, (2) a configuration in which the lamp supporting member is formed of a reflective material, or (3) a configuration in which the above-mentioned configurations are combined.

Abstract: A backlight unit containing one or more light sources and fabrication method provided. Each light source has a tube with a first bent side connected to a first end and a second bent side connected to a second end. First and second electrodes are disposed on the tube between the bent sides and their corresponding ends. The backlight unit further includes a first plate having oppositely spaced edge regions. Each edge region has holes. A first portion of each light source is disposed above the first plate and a second portion of each light source is disposed below the first plate. The first and second common electrodes are electrically connected to the first and second electrodes disposed on the tube.

Abstract: A lighting unit including a light-reflecting reflector, a plurality of cold cathode tubes disposed inside the reflector and an optical waveguide connected with an open end of the reflector to guide the light emitted by the cold-cathode tubes. The reflector has a reflective surface that reflects the light having been emitted by the cold-cathode tubes in the direction nearly perpendicular to the wall of each tube, and only in a direction in which the light reflected does not re-enter the cold-cathode tubes. In another embodiment, the lighting unit may include a second optical waveguide disposed in the space between the cold-cathode tube and the reflector, wherein a space is formed between the cold-cathode tube and the second optical waveguide.

Abstract: A surface light source apparatus includes: a fluorescent discharge tube having a bent portion; a light guide plate which has a corner portion facing the bent portion; a rear frame which receives the light guide plate and is formed of a resin material; and a middle frame which is provided parallel with the rear frame and is formed of a resin material. The rear frame or the middle frame has a protrusion which is in contact with the corner portion. The bent portion of the fluorescent discharge tube is disposed in a gap between the protrusion and the side surface of the rear frame.

Abstract: A flat fluorescent lamp includes a first substrate, a second substrate, an external electrode, and a radiating member. The second substrate is combined with the first substrate to form a plurality of discharge spaces. The external electrode is formed on at least one surface of the first substrate and the second substrate, wherein the external electrode extends perpendicularly to the discharge spaces. The radiating member is formed on the external electrode and radiates heat generated from the external electrode. Therefore, the heat generated from the flat fluorescent lamp is radiated to outside the flat fluorescent lamp through the radiating member, reducing pinhole formation and generally improving luminance characteristics of the flat fluorescent lamp.

Abstract: An uneven surface portion is formed on the inner surface of a lamp holder to thereby reduce the contact area between the inner surface of the lamp holder and a light incident face of a light guide plate. The light incident face of the light guide plate and the inner surface of the lamp holder are prevented from coming into close contact with each other due to heat transferring from cold-cathode fluorescent tubes and to the light guide plate. The heat transferring via the lamp holder to the light guide plate is intercepted by an air layer occurring between the uneven surface portion of the lamp holder and the light incident face of the light guide plate. Accordingly, it can be prevented that a part of the lamp holder sticks to the light incident face of the light guide plate of the backlight when the lamp holder is replaced.

Abstract: A backlight module includes a lamp tube, a light guide plate and a light guide unit. The light guide plate has a light incident side. The light guide unit is in contact with the light incident side of the light guide plate. The light guide unit and the light incident side cooperatively form a receiving tunnel. The lamp tube is disposed in the receiving tunnel. The light guide unit is detachable from the light guide plate. Another backlight module is also provided. The present backlight module can be assembled conveniently and quickly, and has a relatively high light energy utilization rate.

Abstract: The display device lighting unit comprises a light source lamp and a lamp holder, which has one or an arbitrary combination of the following features: (1) the lamp holder comprises a plurality of supporting members at least partly integrated, (2) the light source lamp or lamps have a curved portion and each is supported by supporting members of the lamp holder or holders at least partly at the respective curved portions, (3) the lamp holder has, for example, projections, depressions and so on that reduces the supporting area of the supporting members, (4) means for fixing the lamp holder within the display device lighting unit after the fixation of light source lamp on the supporting members of the lamp holder or holders in which at least one fixing member of the lamp holder or holders have a structure resulting from division into two.

Abstract: A backlight module with uniform brightness has a light guide panel (LGP), a diffusing reflector, at least one light source and a diffuser and a prism film. The diffusing reflector is placed on the LGP and has a substrate, a reflective film and multiple diffusing elements. The reflective film is formed on the substrate. Each one of the multiple diffusing elements has an adhesive bed and multiple balls. The multiple balls can be easily pasted or printed separately on the reflective film by using the adhesive bed and provide a uniform diffused light output form the LGP, so the backlight module has a lowered cost and is easily manufactured.

Abstract: A backlight module includes a light source assembly and a light guide plate. The light guide plate includes a side surface, a light emission surface substantially perpendicular to the side surface, and a first groove defined at the side surface. The first groove fixedly accommodates the light source assembly.

Abstract: A backlight module includes a back plate, replaceable light source sets, external electrode lamps, and a fastening device. Each replaceable light source set is disposed on the back plate and has an electrically conductive strip. The external electrode lamps are disposed on one of the replaceable light source sets and each has an external electrode electrically connected with the electrically conductive strip. The fastening device is used for fastening the replaceable light source sets and comprises an electrically conductive element electrically connected with the electrically conductive strips.

Abstract: A planar light source is disclosed. The planar light source includes an upper substrate having a central portion and two edge portions and a lower substrate opposite to the upper substrate, wherein a plurality of luminous cavities are formed by and between the upper substrate and the lower substrate. With respect to cross sectional areas, one portion of the luminous cavities corresponding to the central portion of the upper substrate is smaller than the other portion of the luminous cavities corresponding to one of the edge portions of the upper substrate, and thus the lightness produced in the central portion is higher than that in the edge portion.

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 light guide plate of the invention has a plurality of unit light guide plates that are formed of a transparent resin material and which are joined together. Each of the unit light guide plates has a flat rectangular light exit surface and a back surface that is opposite the light exit surface and which has a parallel groove formed in generally a center and parallel to a side of the rectangular light exit surface. The light guide plate is used with a linear light source fitted in the parallel groove, satisfying the inequality (L0/280)2·k(14T2+710T)·(?0.65 log S+1.9)?10, where L0 is the length (mm) of the light guide plate, k is the linear expansion coefficient [/° C.] of the resin material, Ts is the surface temperature [° C.] of the linear light source that has become stable, S is half of the cross-sectional area [mm2] of the unit light guide plate as it is cut through a plane perpendicular to the parallel groove, and T=Ts ?25.

Abstract: A backlight device (100) includes a reflection plate (110) having a reflective surface and a heat dissipating surface, and a light source module (120) disposed adjacent to the reflective surface of the reflection plate; the light source module comprising at least one cold cathode fluorescent lamp, and the cold cathode fluorescent lamp comprising at least two parallel linear portions (122) and at least one intermediate portion (121) interconnected to the at least two linear portions. The backlight device further includes a cooling module (130). The cooling module is attached on the heat dissipating surface of the reflection plate. The present backlight device can improve brightness and chroma uniformity. And the brightness of the light source module is improved, and the utilization efficiency of light thereof is also increased, accordingly.

Abstract: A backlight unit includes at least one cold cathode fluorescent lamp arranged at a lower end of a bottom cover, external electrode fluorescent lamps arranged on the bottom cover above the cold cathode fluorescent lamp, and inverters disposed on a rear side of the bottom cover for driving the at least one cold cathode fluorescent lamp and the external electrode fluorescent lamps.

Abstract: A liquid crystal module provides for concave shaped recesses formed in an elastic member along the circumference of a linear light source that is arranged on the side of a light guide, and lamp holders attached to both ends of the linear light source, while ring-shaped hard members are engaged with the recesses. Thus, the hard members serve as a grip against an impact applied to the linear light source, and the linear light source is prevented from being damaged. Accordingly, a sidelight-type liquid crystal module with a liquid crystal panel is thereby obtained, in which the damage to the linear light source (when an impact, or the like, is applied to the liquid crystal panel) is prevented by simple means without affecting the quality of light that is emitted toward the liquid crystal panel.

Abstract: A backlight unit comprises a reflecting plate, a light guide plate disposed over the reflecting plate, and a plurality of optic films disposed over the light guide plate. The backlight unit further comprises a lamp horizontally spaced apart from the light guide plate, and a reflecting film corresponding to an upper portion of a space between the light guide plate and the lamp.

Abstract: A backlight assembly emits light out of two light emitting faces using a light source such as side-emitting LEDs that send light into an optical guide or body of optical material that diffuses the light uniformly and emits bi-facially. In this way, two displays, such as LCDs, can be illuminated at the same time and the efficiency is increased. The backlight assembly can be incorporated into an eyewear system such as a binocular display system.

Abstract: A backlight module including a light source, a light guide plate, a lamp reflector and a frame is provided. The light source is disposed at a first side of the light guide plate, and surrounded by the lamp reflector and the light guide plate. The lamp reflector includes a metal substrate and a reflective material layer, and the metal substrate includes a main body and an extended part. The extended part is connected to the main body and disposed under the light guide plate. The reflective material layer is disposed on the main body, and between the main body and the light source, and the light source is surrounded by the reflective material layer and the light guide plate. The light guide and the lamp reflector are disposed on the frame. The backlight module has a better heat dissipation efficiency and lower manufacturing cost.

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 bi-directional communication system communicates between a control station, which receives and outputs control signals, and one or more display cabinets. LEDs illuminate objects disposed about the cabinets. Addressable nodes interactively communicate with the control station and selectively operate the LEDs, each node being coupled to the control station and to associated LEDs.

Abstract: A backlight of a liquid crystal display device includes lamps and a conductive board. Each lamp has electrodes, one of which is contacted and retained by a contact terminal on the conductive board. The contact terminals are electrically connected by the conductive board. A bent part located in the conductive board is disposed between adjacent contact terminals such that when heat from the lamps absorbed by the conductive board expands the conductive board, the bent part is resiliently deformed to maintain the distance between the lamps.

Abstract: An exemplary liquid crystal display (200) includes an LCD panel (22) and a backlight module (23) located adjacent to the LCD panel. The backlight module includes a light guide plate (26) and a flat lamp (27). The light guide plate includes a light incident surface (261). The flat lamp includes a plane surface (271). The plane surface of the flat lamp is adjacent and substantially parallel to the light incident surface of the light guide plate.

Abstract: A backlight unit for a liquid crystal display device includes a first light-emitting unit having first and second passive light-emitting lamps; a second light-emitting unit having a plurality of self light-emitting lamps; and a light guide disposed between the first and second light-emitting units guiding an incident light from the second light-emitting unit to the first light-emitting unit.

Abstract: The invention is an illumination system that incorporates a light emitting diode and a side-emitting light-recycling lens. The side-emitting light-recycling lens recycles part of the light internally generated by a light emitting diode back to the light emitting diode as externally incident light. The light emitting diode reflects a portion of the recycled light, thereby increasing the effective brightness of the light emitting diode. The light reflected by the light emitting diode is directed though the side-emitting light-recycling lens and exits the illumination system, thereby increasing the output brightness and efficiency of the illumination system. The light emitting diode reflects externally incident light with a reflectivity greater than 40 percent.

Abstract: A backlight module housing includes a frame forming a holding space, a light source being accommodated on a side of the holding space, and at least one lateral alignment structure connected to the side of the frame accommodating the light source and protruding to the holding space for laterally immobilizing a display panel when the display panel is accommodated inside the holding space of the frame.

Abstract: An exemplary backlight module (200) includes a light guide plate (210) having a light incident surface (211), and a light source assembly (220) provided adjacent to the light incident surface of the light guide plate. The light source assembly includes a light source (221) and a light reflector (225). The light source includes a first portion and a second portion. A brightness of light emitted from the first portion is less than that of light emitted from the second portion. The light reflector is configured for reflecting light beams emitted from the light source toward the light incident surface of the light guide plate. The light reflector includes a first region (226) corresponding to the first portion of the light source and a second region (227) corresponding to the second portion of the light source. A reflection capability of the first region is greater than that of the second region.

Abstract: The present invention aims to provide a plane light source device having enhanced efficiency of use of light and high brightness uniformity. A plane light source device of the present invention is provided with a housing having an opening section, a scattering plate arranged at the opening section for scattering incoming light and a light source arranged at one side face in the housing, wherein a regular reflection section for regularly reflecting light incoming from the light source is provided in the vicinity of the light source at the bottom surface of the housing that is opposite to the scattering plate and a scatter reflection section for irregularly reflecting light incoming from the light source is provided so as to be adjacent to the regular reflection section.

Abstract: A reflector for use in a backlight module, and a method for making the same are disclosed. The backlight module includes a light source and a light guide plate. The light guide plate includes a light-entry surface and a light-emitting surface, substantially normal to the light-entry surface. After the light-entry surface of the light guide plate receives the first portion of light emitted from the light source, the light is emitted out of the light-emitting surface via the inner portion of the light guide plate. The reflector comprises a body and a protruding structure. The body defines a space for receiving the light source. The body comprises a first end portion and a second end portion which define the opening. The light-entry surface of the light guide plate substantially faces the light source through the opening. The first end portion is disposed proximal to the light-emitting surface, whereas the second end portion is disposed distal to the light-emitting surface.

Abstract: A lamp cover with a bending structure is provided, which includes: a light part having a upper frame and a side frame connected to the upper frame; a supporting part having a first end and a second end, wherein the first end is connected to the side frame and the second end is configured away from the light part by a distance, and an accommodating space is set between the light part and the first end of the supporting part to accommodate a light source; and a bending part connected to the second end of the supporting part and bended into an angle. The lamp cover with a bending structure is applied in a backlight module, and the lamp cover will not deform to leak light when suffering a shock.

Abstract: A backlight assembly includes at least two light sources. Each of the at least two light sources includes a first end portion and a second end portion. The first end portions of the at least two light sources are adjacent to each other. The second end portions of the at least two light sources are adjacent to each other. The backlight assembly also includes a voltage supplier for applying a high voltage to the adjacent first end portions of the at least two light sources and a low voltage to the adjacent second end portions of the at least two light sources.

Abstract: A backlight unit prevents the display quality degradation of a LCD device and improves the long-term reliability thereof. The unit comprises at least one fluorescent lamp having a first end and a second end; a first cable or wire connected to the first end of the lamp; and a second cable or wire connected to the second end of the lamp. The first cable or wire is different in shape or type from the second cable or wire. A conductor of the first cable or wire is approximately equal in cross-sectional area to that of the second cable or wire. When two or more fluorescent lamps are used, a cross-sectional area of the conductor of the first cable connected commonly to the first ends of the lamps is approximately equal to the sum of cross-sectional areas of the conductors of the second cables or wires connected respectively to the second ends thereof.

Abstract: Direct backlight modules are provided. A direct backlight module includes a liquid crystal panel, a plurality of light tubes disposed below the liquid crystal panel, a reflecting plate disposed below the light tubes, and a transparent plate disposed between the light tubes and the liquid crystal panel. Additionally, a lens array is formed on one surface of the transparent plate facing the light tubes and a prism array is formed on the other surface of the transparent plate facing the liquid crystal panel.