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Backlight module group and LCD device

A backlight module and point light source technology, which is applied in identification devices, optics, nonlinear optics, etc., can solve the problems of large thickness, poor light mixing effect of the backlight module, poor display quality of the display device, etc., and achieve good display quality Effect

Inactive Publication Date: 2008-07-02
INNOCOM TECH SHENZHEN +1
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem of relatively poor light mixing effect and relatively large thickness of the prior art backlight module, it is necessary to provide a backlight module with relatively good light mixing effect and relatively small thickness
[0011] In order to solve the problem of relatively poor display quality and relatively large thickness of the prior art liquid crystal display device, it is necessary to provide a liquid crystal display device with relatively good display quality and relatively small thickness

Method used

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  • Backlight module group and LCD device
  • Backlight module group and LCD device

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Embodiment Construction

[0019] Please refer to FIG. 2 , which is a schematic cross-sectional view of the first embodiment of the liquid crystal display device of the present invention. The liquid crystal display device 2 includes a liquid crystal panel 20 and a backlight module 22 adjacent to the liquid crystal panel 20 .

[0020] The backlight module 22 is a direct-type backlight module, which includes a frame 24 , a support plate 220 , a plurality of LEDs 222 and a diffusion plate 224 .

[0021] The frame 24 is a rectangular frame without a cover, which includes a bottom wall 240 and a plurality of side walls 242 , the bottom wall 240 is vertically connected to the plurality of side walls 242 and forms a receiving space. The inner surface of the side wall 242 is coated with a reflective material to form a reflective layer (not shown), so as to reflect part of the light incident thereon back to the diffuser plate 224 . The frame 24 accommodates the support plate 220 , the plurality of LEDs 222 and ...

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PUM

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Abstract

The invention relates to a backlight module and a liquid crystal display device adopting the backlight module. The backlight module comprises a framework and a plurality of point light sources; wherein the framework forms a containing space; and a plurality of point light sources are respectively arranged at the bottom part of the containing space, wherein, central lines of divergence angles of at least two point light sources are arranged inclinedly mutually. The backlight module of the invention can improve the effect of mixed light, and the liquid crystal display device adopting the backlight module can improve the display quality.

Description

technical field [0001] The invention relates to a backlight module and a liquid crystal display device using the backlight module. Background technique [0002] Because the liquid crystal itself in the liquid crystal display device does not have luminous characteristics, so in order to achieve the display effect, it is necessary to provide the liquid crystal display device with a side light source device to realize the display function, such as a backlight module, whose function is to convert the line light source or point light source into a relatively light source. A uniform surface light source to illuminate the liquid crystal panel of the liquid crystal display device. [0003] At present, the point light sources used in the backlight module are mainly light emitting diodes (Light Emitting Diode, LED). A light emitting diode is a point light source with relatively high light intensity and directivity. The light emitted by it is mainly concentrated in a specific angle ra...

Claims

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Application Information

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IPC IPC(8): G02F1/1335G02F1/1333G02F1/133G09F9/35
Inventor 萧志仲
Owner INNOCOM TECH SHENZHEN
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