Liquid crystal display panel, liquid crystal display device and control method thereof

A liquid crystal display panel and liquid crystal display device technology, applied to static indicators, instruments, etc., can solve problems such as flickering of the display screen, and achieve the effects of avoiding flickering and good display quality

Inactive Publication Date: 2009-09-16
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology will cause the display screen to flicker when the frame refresh rate is switched.

Method used

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  • Liquid crystal display panel, liquid crystal display device and control method thereof
  • Liquid crystal display panel, liquid crystal display device and control method thereof
  • Liquid crystal display panel, liquid crystal display device and control method thereof

Examples

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Embodiment Construction

[0021] A liquid crystal display panel, a liquid crystal display device and a control method thereof according to preferred embodiments of the present invention will be described below with reference to related drawings.

[0022] refer to figure 2 as shown, figure 2 It is a schematic diagram of the liquid crystal display device 2 according to the first embodiment of the present invention. The liquid crystal display device 2 includes a liquid crystal display panel 21 and a backlight module 22 . Wherein, the backlight module 22 is disposed opposite to the liquid crystal display panel 21 and provides light source to the liquid crystal display panel 21 .

[0023] refer to image 3 as shown, image 3 It is a schematic diagram of the liquid crystal display panel 21 according to the first embodiment of the present invention. The liquid crystal display panel 21 includes a plurality of pixels 211 , a frame rate detection unit 212 and a brightness gray scale adjustment unit 213 . ...

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Abstract

The invention relates to a liquid crystal display panel which comprises a plurality of pixels, a frame rate detecting unit and a brightness / gray scale adjusting unit. The frame rate detecting unit sequentially receives a first pixel frequency and a second pixel frequency and outputs a judgment signal according to the first pixel frequency and the second pixel frequency. The brightness / gray scale adjusting unit is respectively coupled to the frame rate detecting unit and the pixels, and adjusts and drives a scanning signal or a data signal of at least one pixel, so that the pixels display approximately equal first brightness / gray scale and second brightness / gray scale under the first pixel frequency and the second pixel frequency. The invention also discloses a liquid crystal display device and a control method thereof, as well as a control method of the liquid crystal display panel.

Description

technical field [0001] The invention relates to a display panel, a display device and a control method thereof, in particular to a liquid crystal display panel, a liquid crystal display device and a control method thereof. Background technique [0002] With the improvement of environmental protection awareness, the development of electronic products today is all aimed at saving electricity and energy. For the display panel, the industry has also proposed a power saving solution, which is to reduce the frame display rate of the display panel, so as to reduce the operation times of the control components and the driving components in the display panel, thereby achieving the purpose of power saving. [0003] refer to Figure 1A As shown, taking a liquid crystal display panel as an example, the scanning signal output by the scanning line driving circuit is generally a square wave to turn on or off the thin film transistors in the pixels. However, the high potential V in the sca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G02F1/133
Inventor 黄忠仁吴震乙李茂南
Owner INNOLUX CORP
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