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Backlight module unit and LCD device

A technology of liquid crystal display device and backlight module, which is applied in optics, nonlinear optics, instruments, etc., can solve the problems of high cost, poor optical quality, and poor optical quality of liquid crystal display devices.

Inactive Publication Date: 2009-11-18
INNOCOM TECH (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem that the dot structure of the backlight module is easily damaged and the cost is high in the prior art, it is necessary to provide a backlight module with better optical quality and lower cost
[0008] In order to solve the problem of poor optical quality and high cost of the liquid crystal display device in the prior art due to the poor optical quality and high cost of the backlight module, it is also necessary to provide a backlight with high optical quality and low cost. Modular liquid crystal display device

Method used

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  • Backlight module unit and LCD device
  • Backlight module unit and LCD device
  • Backlight module unit and LCD device

Examples

Experimental program
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Embodiment Construction

[0015] see figure 2 , is a schematic structural view of a preferred embodiment of the liquid crystal display device of the present invention. The liquid crystal display device 20 includes a liquid crystal panel 21 and a backlight module 22 for providing planar light to the liquid crystal panel 21 .

[0016] The backlight module 22 includes a light guide plate 23 , a dot film 24 , a reflector 25 and a light emitting element 27 disposed on one side of the light guide plate 23 , which are sequentially stacked. The mesh dot film 24 is arranged separately from the light guide plate 23 and the reflective sheet 25 , that is, the light guide plate 23 , the mesh dot film 24 and the reflective sheet 25 are non-integral structures.

[0017] The light guide plate 23 can be an acrylic plate, which includes a light incident surface 231 , a light exit surface 232 adjacent to the light incident surface 231 , and a bottom surface 233 opposite to the light exit surface 232 . The light emitti...

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Abstract

The invention relates to a backlight module and a liquid crystal display device. The backlight module includes a light guide plate, a light source arranged on one side of the light guide plate, a reflective sheet laminated with the light guide plate, and a transparent film arranged between the light guide plate and the reflective sheet. The transparent film is set separately from the light guide plate and the reflection sheet. A plurality of printed dots are arranged on the surface of the transparent film adjacent to the light guide plate. The backlight module and the liquid crystal display device have the characteristics of good optical quality and low cost.

Description

technical field [0001] The invention relates to a backlight module and a liquid crystal display device. Background technique [0002] Due to the advantages of thin thickness, small size and high brightness, liquid crystal display devices have gradually replaced traditional cathode ray tube display devices and have occupied a place in the display market. The backlight module serves as a light source provider for the liquid crystal display device, and its light output quality determines the display effect of the liquid crystal display device. [0003] see figure 1 , is a structural schematic diagram of a liquid crystal display device in the prior art. The liquid crystal display device 10 includes a liquid crystal panel 11 and a backlight module 12 for providing planar light to the liquid crystal panel 11 . [0004] The backlight module 12 includes a light guide plate 13 , a reflection sheet 14 , and a light emitting element 18 located on one side of the light guide plate 13...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335
Inventor 林宜甫萧志仲
Owner INNOCOM TECH (SHENZHEN) CO LTD
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