Abstract: An anti-abrasion optical diffusion film (2), an LCD device and a light source using the anti-abrasion optical diffusion film (2) are disclosed, in order to solve the problem of the prior art that the diffusion particles are abraded or detached in large area, when an optical diffusion thin film receives external force. The anti-abrasion optical diffusion film (2) includes a substrate (21) and a diffusion coating (22); the diffusion coating (22) includes diffusion adhesive layer (24) and diffusion particles (23). The variation coefficient of the diameter of the particles is 10-100%. The invention improves the anti-abrasion ability of the optical diffusion thin film.

Abstract: Assemblies and techniques are provided for light guides integrated into display devices having front light sources. In one aspect, a light guide can include one or more reflective coatings that are applied or otherwise integrated onto one or more internal surfaces of the light guide. Application of at least one reflective coating can modify the luminance and/or chromaticity of the light guide. The one or more coatings can comprise one or more applied layers of paint, such as a layer of a glossy colored paint and/or a layer of a chrome paints.

Abstract: A backlight device of the present invention includes: a chassis having a bottom plate; a plurality of LED substrates 25 that are rectangular and that are arranged such that one end face on the short side of the LED substrate 25 faces the short side of the bottom plate; LEDs arranged on the LED substrates 25; first through holes that go through the LED substrates 25; second through holes 42 that are disposed nearer the end face of the LED substrate 25 than the first through holes 41, that go through the LED substrates 25, and that are horizontally longer than the first through holes 41 along the long side direction of the LED substrates 25; plate-shaped through holes disposed in the bottom plate; and securing pins that have a size that enables the LED substrates 25 to be secured in the plate surface direction thereof by the securing pins going through the first through holes 41 and plate-shaped through holes, that secure the LED substrates 25 in the short side direction thereof by going through the second thro

Abstract: A light diffusion sheet capable of inhibiting emission of blue light, and a backlight unit for a liquid crystal display device. The light diffusion sheet includes: a transparent substrate layer; and a light diffusion layer overlaid on the front face side of the substrate layer. The light diffusion layer is a light diffusion sheet for a backlight unit of a liquid crystal display device containing a light-diffusing agent and a binder covering the light diffusing agent, and includes a component that attenuates blue light. The blue light attenuation component is preferably a yellow fluorescent material that generates yellow light through excitation by blue light, or a light absorbing agent that absorbs blue light. The light diffusion layer preferably includes the blue light attenuation component. Preferably, the light-diffusing agent is resin beads, and the blue light attenuation component is included in the resin beads.

Abstract: A reflective color pixel includes a first sub-pixel and a second sub-pixel. The first sub-pixel is for generating a first color. A color conversion layer extends through the first sub-pixel and the second sub-pixel and is disposed in a waveguide. The color conversion layer contains a luminescent material, which converts a portion of light incident on the second sub-pixel into light of the first color. The waveguide guides the light of the first color generated by the luminescent material to the first sub-pixel for emission from the first sub-pixel.

Abstract: Disclosed is a display apparatus which is light and slim in its external appearance. The display apparatus includes a display panel which displays an image signal; a backlight unit which provides light to the display panel; a front member which includes a body whose central portion is open such that an image displayed on the display panel can be frontwardly exposed, and a support unit which supports the display panel and the backlight unit in the inner side of the body; and a rear member which is coupled to the front member and supports the back side of the backlight unit.

Abstract: A computer system, a display system, a method of graphic illumination is provided to give a user an improved appearance, functionality, and aesthetics. A display system may comprise a housing, a light source, and a plurality of micro perforations. The housing may have an interior surface and an exterior surface. The light source may be located within the housing. The plurality of micro perforations may be disposed to extend from the interior surface to the exterior surface of the housing. The plurality of micro perforations may pass through the housing at different angles with respect to a plane of the exterior surface of the housing.

Abstract: The present invention provides a display device, back plate element for backlight module and manufacturing mold for splicing parts. The back plate element includes at least two splicing parts and the splicing parts are disposed on the same side of optical component of backlight module. Splicing part has splicing unit for connecting another splicing part. Through adjusting the number of splicing parts, the side length of back plate elements can be adjusted to side length of optical component. The back plate element can be disassembled to reduce the transport volume. A plurality of splicing parts can be manufactured with the same manufacturing mold. As such, the present invention can achieve mold sharing and reduce mold cost.

Abstract: A display device includes a bottom chassis, a backlight unit accommodated in the bottom chassis, a display panel above the backlight unit, and an adhesive sheet between the backlight unit and the display panel. The display panel is attached to the bottom chassis through the adhesive sheet.

Abstract: The present invention provides a backlight system, which includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The backlight system of the present invention saves the material and space of the back frame, and lowers down the cost of the backlight system.

Abstract: An object is to prevent or reduce uneven brightness in a direct-type lighting device. A lighting device according to the present technology includes LEDs 28 arranged in a matrix on a bottom plate of the chassis and a reflector 26 including first and second side walls 26a, 26b each arranged between the LEDs 28 adjacent in a Y-axis direction and an X-axis direction, respectively. The LEDs 28 are configured to emit light toward an opening of the chassis. The first side wall 26a has a side surface 26a rising from a front surface 30a of an LED board 30 toward the opening of the chassis while being inclined. The first side wall 26a extends straightly along the X-axis direction and has a triangular cross-sectional shape taken along the Y-axis direction. The second side wall 26b has a prism-like shape rising from the front surface 30a toward the opening and has a rhombic outline in a plan view.

Abstract: The present invention discloses a manufacturing method of heat-dissipating element, including the following steps: processing a heat-dissipating element body with a bottom plate and at least two stop plates, the stop plates being disposed at two sides of the bottom plate and bending towards surface; cutting from the bottom plate of the heat-dissipating element body to form heat-dissipating element, the dissipating element at least comprising two heat-dissipating elements of same shape or of symmetric shape. The present invention also discloses a heat-dissipating element and backlight module manufactured by the above method. The heat-dissipating element, manufacturing method and backlight module thereof can maintain optimal heat-dissipation effect and save material used to lower cost.

Abstract: The present invention discloses a new LED lens and LCD backlight screen thereof. The said new LED lens includes base stand, the first protruding stand set on the base stand and the second protruding stand set on the first protruding stand; the side wall of the first protruding stand and the side wall of the second protruding stand constitute the exit surface, the side wall of the first protruding stand is outside-protruding curved surface structure; the top surface of the second protruding stand is reflective surface, and the reflective surface is conic concave structure; the bottom of the base stand is set the cylindrical hole for installing LED, and the surface of the cylindrical hole constitutes incidence surface. The present invention achieves the intention of acquiring the same brightness degree through reducing the projection distance by half compared to the present refractive optical lens with the same LED arrangement distance.

Abstract: This display includes point light sources, a light guide plate including a light-receiving surface on which light emitted from the point light sources is directly incident, opposed to the point light sources, and a display cell provided on a surface of the light guide plate, while a plurality of projecting portions each having a width smaller than a width of each of the point light sources in an extensional direction of a side of the light guide plate provided with the light-receiving surface are provided on a region of the light-receiving surface of the light guide plate opposed to the point light sources, and the plurality of projecting portions of the light guide plate are formed to have irregularly different shapes.

Abstract: Disclosed herein are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting device module disposed at the lower portion of the inside of the bottom cover, a light guide plate disposed adjacent to the light emitting device module and disposed in front of the bottom cover, at least one optical sheet and a reflective sheet disposed adjacent to the light guide plate, recesses, each of which is disposed with one opened side, disposed at the edges of at least one of the light guide plate, the reflective sheet and the at least one optical sheet, and protrusions disposed at one side of the bottom cover disposed with the light emitting device module so as to be inserted into the recesses of the at least one of the light guide plate, the reflective sheet and the at least one optical sheet.

Abstract: An object of the present invention is to provide a lighting device in which a problem is hardly caused by a hole formed in a chassis of the lighting device. A backlight unit (a lighting device) 1 according to the present invention includes an LED (a light source) 17, a flat cable (a flat conductor) 22 connected to the LED 17, a chassis 14 including a hole 14e, a cable protector (a flat conductor protector) 23 including a protection portion 24 and an insertion hole 24a extending through the protection portion 24. The chassis 14 houses the LED 17. The flat cable 22 is inserted through the insertion hole 24a. The flat conductor protector 23 is arranged such that the protection portion 24 is positioned between an edge of the hole 14e of the chassis 14 and a portion of the flat cable 22 that is positioned in the insertion hole 24a.

Abstract: A diffuser is configured to diffuse radiation from multiple light sources. The diffuser includes a substrate having optical structures that exhibit both microvariations and macrovariations along the substrate. For example, an array of microlenses may be provided that include at least one feature that varies as a function of the spacing between the light sources. Lighting systems using these diffusers may also be provided.

Abstract: The present invention relates to an optical film, a backlight unit comprising same, and a liquid crystal display comprising an optical film, and more specifically, to an optical film, a backlight unit comprising same, and a liquid crystal display comprising an optical film for enhancing luminance and external characteristics.

Abstract: This invention relates to a complex prism sheet which is configured such that heat-resistant coating layers are formed on both surfaces of a substrate layer, thus preventing wrinkling or curling of the complex prism sheet due to heat generated from a light source, and increasing concealment and electro-optic characteristics, ultimately improving properties of a light crystal display. This complex prism sheet can be usefully applied to television (TV) sets, monitors, notebook personal computers (NBPCs), etc., which are required to have heat resistance, slimness and concealment because of an increasing use of a light emitting diode (LED) light source these days.

Abstract: Disclosed is a printed circuit board, on which a holder for fixing a lamp is mounted, is disposed on an upper surface of a bottom cover, and an inverter supplying a driving voltage to the lamp is disposed on a lower surface of the bottom cover. The printed circuit board is electrically connected to the holder as a conductive pattern is embedded in the printed circuit board. The connector is directly mounted on the inverter, or it is connected to the inverter via a wire. In this case, the connector is also connected to the printed circuit board. Therefore, the connector of the inverter and the connector of the printed circuit board are electrically connected.

Abstract: A light reflector including a multilayer film wherein the multilayer film includes a substrate layer and an emission line preventing layer including a scale-like light reflecting section, and the reflection angle light quantity ratio is from 1.5 to 6.5. The light reflector is capable of preventing generation of emission lines when it is incorporated in a planar light source device or an illuminating device.

Abstract: A display device comprising a display panel, a diffusing member positioned between the display panel and an observer, and a directional backlight wherein the directional backlight comprises a half angle divergence equal to or less than 15°. The display cover is preferably configured to shift an image displayed on the display panel relative to an observer to obscure a bezel surrounding the display panel. The use of a directional backlight and a diffusing display cover plate allows for a very small gap between the display panel and the display cover plate.

Abstract: A backlight unit includes: an LED; a chassis including a bottom plate provided on a side opposite to a light exit side; and a first reflection sheet. The first reflection sheet includes a quadrangular bottom portion extending along the bottom plate, and two raised portions raised from each of two adjacent sides of the quadrangular bottom portion toward the light exit side, a joint provided between two adjacent side edges of the raised portions. The side edge of a first one of the raised portions includes a facing portion facing the side edge of a second one of the raised portions in a direction in which the first one of the raised portions is raised from the quadrangular bottom portion, and the first one of the raised portions and facing portion bulge toward the light exit side to have an arched shape.

Abstract: Disclosed herein are an illumination unit and a display apparatus. The illumination unit includes a first reflector, a second reflector arranged at either side of the first reflector, at least one light source module arranged between the first reflector and the second reflector, a cover member for covering the second reflector, an optical member arranged between the cover member and the second reflector while facing the first reflector, a first projection member interposed between the optical member and the cover member, and a second projection member interposed between the optical member and the second reflector. The distance from the cover member to one side surface of the first projection member is longer than the distance from the cover member to one side surface of the second projection member.

Abstract: Disclosed herein are a backlight unit and a lighting system including the same. The backlight unit includes a first reflector and a bottom cover, a plurality of reflector support parts disposed on the bottom cover, each of the reflector support parts including at least two first and second slanted surfaces adjacent to each other about at least one inflection point, a second reflector disposed on the plural reflector support parts, and a light source module disposed between the first reflector and each of the second reflector.

Abstract: A backlight module and a display device having the backlight module are disclosed. The backlight module includes tricolor light sources, a light combining unit, a linear reflection unit, and a two-dimension reflection unit. The light combining unit is configured to combine tricolor beams to a white light beam. The linear reflection unit includes a plurality of first micro electro mechanical systems (MEMS) reflectors arranged in a line, and is configured to periodically reflect white light beams. The two-dimension reflection unit includes a plurality of second MEMS reflectors arranged in rows and columns, and the second MEMS reflectors in each row faces and interacts with a first MEMS reflector. The second MEMS reflectors are configured to periodically reflect light beams emitted from the linear reflection unit, to form a surface light source.

Abstract: A backlight assembly and a liquid crystal display device including the backlight assembly are disclosed. In one embodiment, the backlight assembly includes a light guide plate configured to guide light, emitted from a light source, to a liquid crystal display panel and an optical sheet disposed on an upper surface of the light guide plate and configured to diffuse and collimate the light. The backlight assembly further includes a frame configured to support the liquid crystal display panel and the light guide plate and a shielding tape connected to an upper surface of the frame and extending from the frame to one side of the optical sheet.

Abstract: An illumination device 12 of the present invention is provided with: a housing member 22 that has a bottom plate 22a, a side wall 22b, and a pair of protrusions 22c; a light guide plate 26 having a pair of first end faces 26d, a pair of second end faces 26b that extend in a direction intersecting the first end faces 26d, and a pair of recesses 26e at the respective first end faces 26d, the light guide plate being disposed in the housing member 22 in a manner so that the rear surface 26c thereof faces the bottom plate 22a and the recesses 26e respectively engage the protrusions 22c; a light source unit 2 having light sources 24 and being disposed in the housing member 22 in a manner so that the light sources 24 face at least the second end surfaces 26b of the light guide plate 26; and a frame 27 having a frame-shaped covering plate 27a covering the outer edges W of the plate surface 26a of the light guide plate 26, and a pressing part 27c that protrudes downwards from the covering plate 27a in a manner so as t

Abstract: Disclosed is a condensing type optical sheet for use in a liquid crystal display, which prevents the generation of a yellow band or a rainbow phenomenon without using a protective sheet.

Abstract: A backlight module and a liquid crystal display are provided. The backlight module includes a first light-emitting unit and at least one second light-emitting unit. The first light-emitting unit is located outside of a light guide region between an optical film and a reflection plate, and the at least one second light-emitting unit is located within the light guide region. The at least one second light-emitting unit includes a curved reflection sheet. The curved reflection sheet faces the first light-emitting unit, and is used to reflect the lights being projected to the at least one second light-emitting unit unto the optical film.

Abstract: A backlight module and a liquid crystal display are provided. The backlight module includes an optical film, a reflection member and a light-emitting unit. A reflection surface of the reflection member includes multiple side edges. The light-emitting unit is disposed on one intersection position formed by the side edges of the reflection surface, and a light-emitting direction of the light-emitting unit faces the reflection surface. The reflection surface has a default track, whereby the lights emitted from the light-emitting unit can be projected to the reflection surface, and then uniformly entering into the optical film after being reflected by the reflection surface.

Abstract: The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof.

Abstract: The invention provides a middle frame for an LCD device and an LCD device. The middle frame for an LCD device includes a receiving part corresponding to a light incident side of the LCD device, and a buffer part which is fixedly connected with the receiving part and corresponds to the non-light incident side of the LCD device; the receiving part is made of hard material, and the buffer part is made of flexible material. In the invention, because the middle frame is divided into a receiving part and a buffer part, the buffer part is made of flexible material and can be directly used for clamping the light guide panel to position the light guide panel, and the receiving part is made of plastic material which has certain hardness. Thus, the planeness of the whole middle frame can be kept. Furthermore, the position of the receiving part corresponding to the light source is made of plastic material and has certain high temperature resistance. The conventional middle frame is generally injection molded by plastic.

Abstract: A backlight assembly includes a light source unit including a circuit board, a light source disposed on a first plane of the circuit board, and at least one connection unit disposed on a second plane opposite to the first plane of the circuit board and electrically connected to the light source, a receiving container having a bottom plate and sidewalls extending from edges of the bottom plate and receiving the light source unit, the bottom plate including at least one opening portion in which the connection unit is inserted and exposed to the outside, and at least one driving unit disposed at a rear surface of the receiving container and connected to the connection unit for driving the light source unit.

Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, the invention provides a light generating device comprising: a first layer; a plurality of light source devices disposed on the first layer and configured to emit light, at least one of the light source devices including a light emitting diode for generating the light; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; a second layer covering the light source devices and the reflection layer and configured to propagate the light reflected by the reflection layer, the second layer including a plurality of depressed portions, at least one of the depressed portions disposed between two adjacent light source devices among the plurality of light source devices; and at least one third layer disposed on the second layer and configured to diffuse the light propagated by the second layer.

Abstract: A backlight module and a liquid crystal display are provided. The backlight module includes a plastic frame. The sidewalls of the plastic frame have an adjustable length. Each sidewall having the adjustable length includes at least two separated member slidably connected together. The present invention may flexibly set the plastic frame according to the size of the liquid crystal display, and need not specially configure the moulds to produce the plastic frames for the different sizes of the liquid crystal display, thereby not only reducing the cost, but also increasing the manufacture efficiency.

Abstract: A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space.

Abstract: A circular LED light guide includes a top wall and a peripheral side wall; the top wall and the peripheral side wall cooperatively form a hollow receiving space. The hollow receiving space is used for receiving an LED therein. The top wall includes a light incident surface inside of the receiving space, and an exterior light output surface. The light incident surface includes a concave lens surface formed in a central area of the light incident surface, and the light output surface includes a convex lens surface formed in a central area of the light output surface. A central optical axis of the concave lens surface is aligned with a central optical axis of the convex lens surface. An LED module and a direct-type LED TV using the LED light guide are also provided.

Abstract: The present invention provides a liquid crystal display device, which includes a backlight module and a liquid crystal panel disposed on the backlight module. The backlight module includes an optic film assembly. The optic film assembly includes a first prism plate. The liquid crystal panel includes a first polarization plate. The first polarization plate is arranged to directly confront the first prism plate. The first prism plate includes a first base plate and a plurality of parallel first prism bars formed on an upper surface of the first base plate. The first prism bars have an axial direction that forms an included angle with respect to a polarization direction of the first polarization plate. The liquid crystal display device omits the topmost diffusion plate that is conventionally used in the known the optic film assembly so as to reduce the manufacture cost.

Abstract: In the present invention, a backlight (3) serving as a planar light source unit is equipped with: multiple LEDs (12); and a bottom plate (11a) having a mounting surface (11a1). The multiple LEDs (12) are two-dimensionally arranged on the mounting surface (11a1) within a rectangular area (RA) that is smaller than the bottom plate (11a). In addition, the arrangement density of the LEDs in the rectangular area (RA) is lower at the center part (Rc) than at the peripheral part (Rp). The rectangular area (RA) has a corner area, where at least one LED (12) is provided, at each of the four corners thereof. The LEDs (12) positioned in the respective corner areas are installed such that the central axes of the LEDs lean toward the periphery side of the rectangular area (RA) with respect to the direction perpendicular to the mounting surface (11a1).

Abstract: A flat-panel display (such as a liquid crystal display) includes one or more features that reduce temperature changes in an array of light valves disposed on a substrate. In particular, heat generated in a light source and/or electronics is conducted away from the light values. For example, a light-source holder, which contains the light source, may include holes that increase the thermal resistance between the light source and the substrate. Alternatively, the light-source holder may include a material having a thermal conductivity that is higher than that of stainless steel. In addition, the flat-panel display may include materials and/or a geometry that increases the thermal resistance along a direction in a plane of the substrate. By reducing temperature changes in the flat-panel display, these features can reduce or eliminate color changes and other visual artifacts that can degrade the quality of displayed images.

Abstract: A device for mounting an LED lamp tube is provided. The device includes two mounting base, each of which includes a mounting socket, a rotary member and a connection member. The rotary member is received in a cavity defined in the mounting socket, and is rotatable with respect to the mounting socket, and remains static with respect to the mounting socket when not being rotated. The rotary member defines a pair of mounting holes for insertion of pins of the LED lamp tube thereinto. A first connection portion is formed on one end of the mounting socket. A second connection portion is formed on one end of the connection member, the second connection portion is configured for engaging with the first connection portion, to latchingly connect the connection member to the mounting socket, and retain the rotary member in the cavity of the mounting socket.

Abstract: A direct-light type backlight module and a liquid crystal display (LCD) are proposed. The direct-light type backlight module includes a base frame, a light source, a diffuser plate, and a plurality of support pins. The light source is disposed on the base frame. The diffuser plate is disposed on the light source. The plurality of support pins are disposed on the base frame and support the diffuser plate. At least one of the plurality of support pins is made of first transparent materials, or is made of is made of top and bottom connected second transparent materials and opaque materials. Through the abovementioned method, support pin shadow mura could be successfully prevented, and a backlight effect and a display effect could be effectively enhanced when light emitted by the light source shines on the at least one of the plurality of support pins.

Abstract: A liquid crystal display (LCD) device includes a backlight module and an LCD panel. The backlight module includes an array of light emitting units and an optical film unit. Each of the light emitting units includes a laser light source unit configured to emit a white light and a scanning mirror configured to reflect the white light to different directions to light a target area. The white light reflected by the scanning mirror is transmitted by the optical film unit and the LCD panel in sequence.

Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.

Abstract: An LCD device includes a backlight module, a liquid crystal layer, a brightness detecting module and a control unit. The backlight module includes a light guide plate and light sources. The light guide plate includes a light-mixing part and a light-homogenized part. Protrusions are positioned on the light guide plate. A density of the protrusions in the light-mixing part is greater than that in the light-homogenized part. The liquid crystal layer includes an adjustable part corresponding to the light-mixing part and a nonadjustable part corresponding to the light-homogenized part. The brightness detecting module acquires a brightness distribution data of the liquid crystal layer. The control unit makes a brightness of the adjustable part coincide with a brightness of the nonadjustable part according to the brightness distribution data.

Abstract: A backlight assembly comprising: a plurality of fluorescent lamps each including a lamp tube having a fluorescent layer, a discharge gas contained in the lamp tube, a first electrode disposed in the lamp tube, and a conductive terminal capacitively coupled to the first electrode; and a lamp socket which secures the plurality of fluorescent lamps.

Abstract: A liquid crystal display device (10) includes: LEDs (17); a liquid crystal panel (11); a light guide plate (16); an exterior member that constitutes the exterior of the liquid crystal display device (10), the exterior member including a frame (13) and a chassis (14) that hold the liquid crystal panel (11) and the light guide plate (16) by sandwiching these from the display surface (11c) side and the opposite side thereto, while housing the LEDs (17) between the frame (13) and the chassis (14); a screw member (SM) that affixes the frame (13) and the chassis (14) to each other by being disposed in an outer edge portion that surrounds the liquid crystal panel (11); wiring members (28) that are connected to the LEDs (17); and wiring passages (30) through which the wiring members (28) pass, the wiring passages being formed in the inner surfaces of the side walls (13b), which is the outer edge portions of the frame (13), the wiring passages being positioned adjacent to the screw member (SM) in the direction in whic

Abstract: The present invention provides a panel display device, back frame and manufacturing method for back frame. The back frame includes at least two main splicing elements forming back frame, the at least two main splicing elements including main splicing element for disposing light source, wherein light source is disposed on a surface of side wall of main splicing element bended upward for light source disposition, downward hooks are disposed on the other surface of side wall away from light source, main splicing element with light source has a first heat-dissipation capability, and remaining main splicing elements of the at least two main splicing elements without light source have a second heat-dissipation capability, first heat-dissipation capability is better than second heat-dissipation capability. As such, the present invention can reduce material and mold costs as well as better heat-dissipation and easy assembling of front frame and panel.

Abstract: A display device includes an illuminance sensor for detecting an illuminance in a surrounding environment, an input average luminance detection circuit for detecting an average luminance of input images, a frame insertion control circuit for producing a gray image frame and inserting the produced gray image frame into between an input image frame and its subsequently input image frame input, and an insertion luminance level generation circuit for determining a luminance of the gray image frame according to the illuminance detected by the illuminance sensor and the average luminance of the input images detected by the input average luminance detection circuit.