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Backlight module and liquid crystal display device

A liquid crystal display device and backlight module technology, which is applied in optics, nonlinear optics, instruments, etc., can solve problems such as offset and movement, and achieve the effects of improving brightness uniformity, product applicability, and display effect

Active Publication Date: 2020-01-21
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems of offset and movement in the traditional diffuser plate fixation

Method used

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  • Backlight module and liquid crystal display device
  • Backlight module and liquid crystal display device
  • Backlight module and liquid crystal display device

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Experimental program
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Embodiment Construction

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0026] see figure 1 , which is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present application. The liquid crystal display device 100 includes a backlight module 10 and a liquid crystal display panel 20 . The backlight module is a direct type backlight module. The backlight module 10 is used for providing a surface light source to the liquid crystal display panel 20 . The backlight module 10 includes a backplane 101 , a ...

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Abstract

The invention provides a backlight module and a liquid crystal display device. The backlight module comprises a diffusion plate and a backing plate, wherein the backing plate comprises a side plate, aclamping and holding mechanism is arranged on the diffusion plate and the side plate, so that the diffusion plate is clamped on and connected with the side plate of the backing plate, and the clamping and holding mechanism comprises a first clamping and holding structure and a second clamping and holding structure which coordinates with the first clamping and holding structure. The diffusion plate is fixed on the side plate of the backing plate by adopting a clamping and connecting manner, so that the diffusion plate is avoided from producing a relatively large displacement while a light mixing distance is kept between the diffusion plate and a light source, and product applicability of the backlight module is improved.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a backlight module and a liquid crystal display device. Background technique [0002] At present, the backlight modules of vehicle touch display devices are mostly side-type backlight modules, and side-type backlight modules have been difficult to meet the needs of high contrast / low power consumption / partition control. The common solution in the current market is to use A mini light emitting diode (Light Emitting Diode, LED) or a surface emitting direct type backlight module is used as a backlight source. Among them, due to the characteristics and cost of the direct-type backlight module, a certain optical distance (Optical Distance, OD) is required from the light-emitting surface of the direct-type light source LED in the direct-type backlight module to the diffuser plate to reduce the number of LEDs and eliminate For the problem of light shadow, it is necessary to k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357
CPCG02F1/133608G02F1/133606G02F1/133611
Inventor 周政
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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