Patent application number | Description | Published |
20120257405 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE FIXTURE THEREOF - The present invention discloses a backlight module and a light guide plate (LGP) fixture thereof, wherein the LGP fixture comprises a LGP, a heat dissipation base and a plurality of clamps. The heat dissipation base is planar and correspondingly disposed below the LGP. The heat dissipation base is installed with the clamps on sides of the LGP. Each of the clamps has a bottom portion, and a retaining plate and at least one upright plate are vertically formed from the bottom portion. The upright plate and the retaining plate are clamped on the heat dissipation base, and the clamps are used to position the LGP. | 10-11-2012 |
20120287673 | FIXED STRUCTURE OF MODULARIZED LIGHT GUIDE PLATE AND BACKLIGHT MODULE HAVING THE SAME - The patent application relates to a fixed structure of modularized light guide plate and a backlight module, wherein the fixed structure includes a back board, a display panel, a light source, an optical module arranged between the back board and the display panel for receiving the light of the light source, and an aluminum extrusion. The aluminum extrusion is located on the upper part of the back board and is fixed on the back board. The optical module is clamped and fixed on the aluminum extrusion. By setting a clamping mechanism between the optical module and the aluminum extrusion, wherein the optical module is arranged between the back board and the display panel for receiving the light of the light source, the patent application realizes the limiting in Z-axis direction for the optical module in order to limit the movement of the optical module, prevents the optical module from being drooped and deformed due to its own weight when the liquid crystal display is inverted, and from colliding the other components in the backlight module and damaging the backlight module. Meanwhile, the ultrathin design is beneficial for guaranteeing the light incidence surface of the light source aligned with the light emission surface thereof centrally and avoiding light lose. | 11-15-2012 |
20130010498 | LIGHT GUIDE PLATE AND A BACKLIGHT DISPLAY MODULE - The present invention provides a light guide plate. The light guide plate comprises at least two daughter light guide plates and a connection member. Each daughter light guide plate disposes two locating posts respectively on two sides thereof, which can be engaged with the connection member to make the two daughter light guide plates be interconnected so that forming one large area light guide plate. The present invention also relates to a backlight display module. The light guide plate and the backlight module of the present invention has a less manufacture difficulty and a low transportation cost and can realize the use of the large area light guide plate, so that avoiding the problems of the large area light guide plate being difficult to be manufactured and having the high transportation cost in the prior art. | 01-10-2013 |
20130016309 | Backlight module and liquid crystal display using the sameAANM Wang; LifengAACI ShenzhenAACO CNAAGP Wang; Lifeng Shenzhen CNAANM Yu; YajunAACI ShenzhenAACO CNAAGP Yu; Yajun Shenzhen CN - The utility model discloses a backlight module and a liquid crystal display (LCD) using the backlight module. The backlight module comprises a light guide plate and a clamp for fixing the light guide plate. The light guide plate is formed by splicing of more than two sub-light guide plates. The backlight module used for the LCD of the utility model is characterized in that sub-light guide plates of modular design are used, and the light guide plate applicable to any sizes of the LCD can be formed by splicing of the sub-light guide plates. The backlight module has advantages of convenient processing and assembly, productivity improvement, material waste reduction and backlight module cost decrease. | 01-17-2013 |
20130114289 | Backlight Module that Enhances Heat Dissipation of LED Light Source and Display Device - The present invention relates to a backlight module that enhances heat dissipation of LED light sources and a display device. The backlight module that enhances heat dissipation of LED light sources includes an LED light strip, a back panel, a mixed coating layer including two materials, and a thermal diode/triode. The LED light strip is arranged on the back panel. The mixed coating layer is interposed between the LED light strip and the back panel and contacts both for transfer of heat. The thermal diode/triode is connected to the mixed coating layer to control temperature of the mixed coating layer. In operation, through regulation of temperature, the thermal diode/triode makes vibration frequencies of the two materials of the mixed coating layer consistent with each other at a given temperature. The display device includes the above descried backlight module that enhances heat dissipation of LED light sources. The present invention realizes obstruction free transfer of heat from the LED light strip to the aluminum extrusion or the back panel, eliminating bottleneck of heat conduction path; reduces the temperature of the LED light strip, extending the overall lifespan of the LED light strip; and eliminates the use of thermal pad in the backlight module so as to facilitate designing narrow side frame of the backlight module. | 05-09-2013 |
20130141894 | Slim Bezel Backlight Module of Liquid Crystal Display Device - The present invention provides a slim bezel backlight module of liquid crystal display device, which includes: a bezel, a back panel, a connection member, and a plastic frame arranged on the back panel. The bezel includes a front plate that forms a displaying opening and a side plate extending downward from one end of the front plate. The back panel includes a bottom board that is opposite to the front plate. The front plate of the bezel forms a first through hole. The plastic frame forms a through hole corresponding to the first through hole. The bottom board of the back panel forms a second through hole corresponding to the first through hole. The connection device includes a connection member and a locking member mating the connection member. The connection member includes a base section and an extension section extending downward from the base section. The base section is riveted in the first through hole in such a way that a free end face of the base is lower than or flush with an upper surface of the front plate. The extension section extends through the through hole and runs through the second through hole to engage the locking member. The locking member is positioned against the bottom board of the back panel to thereby fix the bezel to the back panel. | 06-06-2013 |
20130141943 | Slim Bezel Backlight Module of Liquid Crystal Display Device - The present invention provides a slim bezel backlight module of liquid crystal display device, which includes: a bezel, a back panel, a connection member, and a plastic frame arranged on the back panel. The bezel includes a front plate that forms a displaying opening and a side plate extending downward from an end of the front plate. The back panel includes a bottom board that is opposite to the front plate. The front plate of the bezel is recessed to form a first extruded threaded hole having internal threading. The bottom board of the back panel forms a bore corresponding to the first extruded threaded hole. The plastic frame forms a through hole corresponding to the bore. The connection member extends through the through hole and has two ends respectively mating and connecting the first extruded threaded hole of the front plate of the bezel and the bore of the bottom board of the back panel to thereby fix the bezel to the back panel. The present invention saves a great amount of space and sites on the plastic frame and the back panel and avoids removal of material in a large area of the plastic frame for not interfering with the bumps of the bezel and the bumps of the thereby guaranteeing the structural strength of the plastic frame and helping the sliming of the bezel for the backlight module. | 06-06-2013 |
20130208448 | Backlight Module - The present invention provides a backlight module, which includes a backboard, a backlight source arranged inside the backboard, a diffusion board mounted on the backboard, and a reflection member arranged inside the backboard. The backlight source emits light that directly enters or is reflected by the reflection member to get incident to the diffusion board. The reflection member includes a bracket and a reflection unit mounted on the bracket. The bracket is made of paper material and has a concave curved surface. The reflection unit is mounted on the concave curved surface. The backlight module is configured to arrange the reflection unit on the paper-made bracket to form the reflection member that can replace the existing reflection plate. Since the paper material has a low cost and is easy to shape, the manufacture cost of the reflection member and thus the whole backlight module are reduced. | 08-15-2013 |
20130215356 | Connecting Piece for Backlight Module, Backlight Module and LCD Device - The invention relates to the field of LCDs, and more particularly to a connecting piece for a backlight module, a backlight module and an LCD device having the connecting piece. The connecting piece of the invention includes a column shaft, both ends of the column shaft are respectively provided with clamping caps; an upper rubber frame, a lower rubber frame or a backplane, a light guide plate, an optical film, and a reflector plate of the backlight module are respectively provided with through holes, and the column shaft of the connecting piece penetrates through the through holes and positions and locks the upper rubber frame, the lower rubber frame or the backplane, the light guide plate, the optical film, and the reflector plate by the clamping caps. The invention breaks through the concept of the fastener matching structure of the backlight module in the prior art, and designs a connecting piece for a backlight module with the functions of positioning and locking; the positioning and locking structure enables the backlight module to be assembled simply, conveniently, and efficiently. | 08-22-2013 |
20130242224 | Backlight Module and LCD Device - The invention provides a backlight module and a LCD device. The backlight module includes a side frame, and a rear panel; the rear panel is provided with a side wall fixedly matched with the side frame, the side wall of the rear panel is provided with a light source, and a gap is reserved between the top of the side wall and the side frame. The invention can effectively block the path that the heat at the side of the light source is transferred to the LCD panel, and can effectively prevent the risk of the liquid crystal liquefaction of the LCD panel, thereby improving the optical display taste of the LCD panel. | 09-19-2013 |
20130257705 | Backlight Module and LCD Device - The invention provides a backlight module and an LCD device. The backlight module includes an LGP, point light source(s), and a backplane. The side wall of the backplane is provided with a pit extending to the outside of the backlight module relative to the light incident surface of the LGP, and the light sources are arranged on the pit. In the invention, because the position of the backlight module where the light sources are fixed is provided with the pit, the distance between the light source and the inner edge of the rubber frame is added due to pit, i.e. the A value is increased. Thus, the dark zones between every two LEDs of the light source can be effectively eliminated, and hotspot can be prevented from occurring in the active area of the LCD device. Meanwhile, after the A value is increased, corresponding A value can be selected to enable the frame of the LCD device to be narrowed, namely the A value is between the critical value that the hotspot cannot occur and the maximum A value obtained by the pit; thus, the frame of the LCD device becomes narrower, and the active area of the LCD device is increased. | 10-03-2013 |
20130258230 | Outer Frame of Display Device, Backlight Module and LCD Device - The invention provides an outer frame for a display device, a backlight module and an LCD device. The outer frame includes at least two sections; the sections include a mounting section for arranging the light source of the backlight module. In the invention, because the outer frame of the backlight module is divided into multiple sections, and one of the sections is used as a mounting section for arranging the light source, the light source is arranged on the mounting section of the outer frame when being assembled, and the required assembling action is simple in the assembling process; thus, the step of assembling the light source on the backplane or aluminum extrusion is omitted, and the assembling technology is simplified. In addition, when replacing the light source of the backlight module, only the mounting section of the outer frame is removed, and then the light source is replaced on the outer frame. Thus, most components of the backlight module are exposed into air because many components are removed, causing dust to enter inside the backlight module to affect the optical performance of the backlight module can be avoided, the replacement process of the light source can be simplified, and the stability of the LCD device can be increased. | 10-03-2013 |
20130258231 | LIQUID CRYSTAL DISPLAY MODULE AND FRAME STRUCTURE THEREOF - The present invention provides a frame structure of a liquid crystal display module, comprises a front frame having a slot defined in a displaying surface thereof. A backframe is partially disposed within the front fame. The backframe is provided with an embossed portion engaged into the slot. The present invention further provides a liquid crystal display module. The present invention can effectively prevent the external and excessive force from creating a deformation of the front frame when external and excessive force is applied to drive a screw to interlock the front frame and the backframe. Accordingly, the unwanted deformation which may jeopardize the aesthetic appearance and leakage of light source can be completely avoided. | 10-03-2013 |
20130258240 | Backlight Module and LCD Device Comprising Backlight Module - The invention provides a backlight module and an LCD device including the backlight module. The backlight module includes an LGP, a lightbar optically coupled with the LGP, and an outer frame. The lightbar is arranged on the outer frame from the inner side of the backlight module. In the invention, because the lightbar is arranged on the outer frame of the backlight module, the lightbar can directly exchange heat with the outside air via the outer frame to dissipate heat; because the lightbar is directly arranged on the outer frame, the heat conduction path is shortened to a great extent. Thus, the heat emitted by the lightbar can be dissipated via the outer frame in time; the inside temperature of the backlight module is reduced, the stability and the service life of the components in the backlight module are increased, and the phenomenon that the stability of the LCD panel is affected by overhigh temperature is avoided. | 10-03-2013 |
20130258713 | Backlight Module, LCD Device and Light Source of Backlight Module - The invention provides a backlight module, an LCD device and a light source of the backlight module. The backlight module includes an LED chip, and a heat sink; the LED chip and a circuit thereof are directly arranged on the heat sink. In the invention, because the LED chip of the backlight module and the circuit thereof are directly arranged on the heat sink, heat emitted by the LED chip can be conducted out through the heat sink with good heat dissipation effect; thus, the inside temperature of the backlight module is reduced, and the heat dissipation efficiency of the backlight module is increased. | 10-03-2013 |
20130271691 | Backlight Module and LCD Device - The invention provides a backlight module and an LCD device. The backlight module includes a backplane, a middle frame, a light source, and an LGP optically coupled with the light source; the backplane, the middle frame and the LGP form a long and narrow cavity on the light incident side inside the backlight module, and the light source is arranged in the cavity; the long and narrow cavity wall of the cavity is provided with air vents which enable convection to be formed between the air inside the cavity and the air outside the cavity. In the invention, because the cavity wall of the cavity formed by the backplane, the middle frame and the LGP inside the backlight module around the lightbar is provided with air vents extending to the outside of the backlight module, convection is formed between the air with higher temperature inside the cavity and the air with lower temperature outside the cavity by the air vents. Thus, heat exchange is conducted between the heat in the cavity of the backlight module and the outside air in time, and the temperature in the cavity of the backlight module and the temperature of the cavity wall are reduced. | 10-17-2013 |
20130322066 | Connection Wire Structure of Direct Light Bar and Connection Method Thereof - The present invention relates to a connection wire structure of a direct light bar and a connection method thereof. The connection wire structure of the direct light bar includes a plurality of light bars and connection wires, and a circuit board. Each light bar includes a wiring board that includes a first exposed copper zone that includes a hole to serve as a circuit connection contact. The circuit board includes a second exposed copper zone that includes a hole to serve as a circuit connection contact. Each of the connection wires has two ends to each of which a copper ring is connected. The two copper rings of each of the connection wires are respectively connected to the first exposed copper zones or the second exposed copper zones corresponding thereto by coupling pieces so as to establish electrical connection. A connection method of the direct light bar is also provided. | 12-05-2013 |
20130343812 | SHEET METAL PART FOR LCD DEVICE, LCD DEVICE, AND METHOD FOR MANUFACTURING SHEET METAL PART - The present disclosure relates to the field of liquid crystal displays (LCDs), and more particularly to a sheet metal part for an LCD device, an LCD device, and a method for manufacturing a sheet metal part for an LCD device. The sheet metal part comprises an inner hole flange, the flange comprises an internal thread, and a circumference of a cross section of the inner hole comprises at least one protrusion protruding to a direction of a center of circle of cross section of the inner hole. The sheet metal part for the LCD device of the present disclosure comprises the inner hole flange. The flange comprises the internal thread, and the circumference of the cross section of the inner hole comprises at least one protrusion protruding to the direction of the center of circle of cross section of the inner hole. The protrusion changes a shape of the inner hole, so that the inner hole is not a complete circular hole any more. After tapping the standard internal thread on the flange, the thread tooth of the protrusion is deep, thereby bearing much torsion; the thread teeth of other parts are shallow, the thread wall is thick; thus, the strength of the inner hole is increased, thereby improving the locking reliability of the thread of the inner hole on the whole. | 12-26-2013 |
20140016332 | PROTRUSION STRUCTURE PROCESSING METHOD OF BACKPLANE AND BACKPLANE - At least one stress concentration factor is arranged in a bending position of forming the protrusion structure on a surface of the backplane. Then, a shape of the protrusion structure is formed by stamping. In the present disclosure, because the bending position during stretching the protrusion structure is firstly configured with a plurality of stress concentration factors in the stretching process of the protrusion structure, when the protrusion structure is stretched, stress concentration occurs in the position with the stress concentration factors. | 01-16-2014 |
20140022488 | Liquid Crystal Display Device and Backlight Module Thereof - The present invention provides a backlight module which comprises a waveguide, an optical film, an elastic frame, and dowel pins. Wherein at least corners of the optical film is securely attached to the elastic frame, and wherein the dowel pints are attached to the elastic frame, and the optical film is disposed on top of the waveguide. Wherein corners of the optical film are provided with openings with which the optical films are readily positioned with respect to the waveguide by extending the dowel pins through the openings. And wherein the strength of the dowel pins is stronger than the strength of the elastic frame. The present invention further provides a liquid crystal display device incorporated with the backlight module disclosed above. By this arrangement, once the positioning of the optical films can he ensured, the optical quality of the backlight module can also be ensured. | 01-23-2014 |
20140028948 | Backboard Structure, Backlight Module, Liquid Crystal Display Module - The present invention provides a backboard, a backlight module, and a liquid crystal display device. The backboard is configured by at least two units interconnected together, wherein the backboard includes a bottom and sidewall extending from edge of the bottom, wherein the sidewall is provided with at least a fastener which is implemented by attaching a screw onto the sidewall. The backboard is configured by two interconnected units so as to reduce the manufacturing cost. The backlight module and the liquid crystal display device are also benefited with reduced manufacturing cost. The backboard is provided with fastener implemented by attaching a screw. Accordingly, this arrangement is specially suitable for the situation in Which the fasteners can not be integrally formed with the backboard. This arrangement is further beneficial for the assembling of the backlight module. | 01-30-2014 |
20140132884 | POSITIONING DEVICE, BACKLIGHT MODULE, AND LIQUID CRYSTAL DISPLAY - A positioning device of a backlight module is disclosed. The positioning device is for positioning a reflective sheet and a light guiding plate. The reflective sheet and the light guiding plate are respectively fixed on the positioning device such that the reflective sheet moves together with the light guiding plate. The backlight module and a liquid crystal display are also disclosed. By adopting the positioning device, the reflective sheet moves together with the light guiding plate such that the location of the reflective sheet is not affected in the assembly process of the light guiding plate. As the reflective sheet is precisely positioned and there is also a buffer for engaging the inflation of the reflective sheet, the optical uniformity is enhanced. | 05-15-2014 |