Grid driving circuit and liquid crystal display device

A gate drive circuit and circuit technology, applied to static indicators, instruments, etc., can solve problems such as uneven display and gate signal attenuation, and achieve the effect of avoiding uneven display

Active Publication Date: 2014-08-13
SHANGHAI AVIC OPTOELECTRONICS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a gate drive circuit and a liquid crystal display device to solve the problems of gate signal attenuation and display unevenness in the existing gate drive circuit

Method used

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  • Grid driving circuit and liquid crystal display device
  • Grid driving circuit and liquid crystal display device
  • Grid driving circuit and liquid crystal display device

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Embodiment Construction

[0021] The gate drive circuit and liquid crystal display device proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0022] Please refer to figure 2 , which is a block diagram of a gate drive circuit using single-side drive according to an embodiment of the present invention. like figure 2 As shown, the gate drive circuit includes: a multi-stage shift register circuit, and the multi-stage shift register circuit is used to output multiple shift signals respectively; the multiple shift register circuits are connected in sequence, and the previous stage The o...

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Abstract

The invention provides a grid driving circuit. The grid driving circuit comprises multistage shift register circuits. The multistage shift register circuits are successively connected, the output end of a pervious-stage shift register circuit is connected with the input end of a later-stage shift register circuit, and each stage shift register circuit outputs shift signals through the output end; and the input ends of shift register circuits, whose ordinals are odd numbers, in the multistage shift register circuits are accessed to a first sequential signal, and the input ends of shift register circuits whose ordinals are even numbers are accessed to a second sequential signal. In the grid driving circuit and the liquid crystal display device provided by the invention, the shift signals output by pervious-stage shift register circuits are directly supplied to later-stage shift register circuits, the shift signals output by the later-stage shift register circuits do not have to be supplied to the previous-stage shift register circuits, and according to the two sequential signals, shift signals can be output from a single side, therefore, grid signal attenuation is not generated, and uneven display can also be avoided.

Description

technical field [0001] The invention relates to the technical field of displays, in particular to a gate drive circuit and a liquid crystal display device. Background technique [0002] With the development of semiconductor technology, flat panel display products are also emerging. Among many flat panel displays, Liquid Crystal Display (LCD) has become the mainstream of display products due to its advantages of low power consumption, low radiation, light weight and small size. [0003] The liquid crystal display includes a source driving circuit, a gate driving circuit and a liquid crystal display panel, wherein the liquid crystal display panel has a pixel array, the source driving circuit and the gate driving circuit are respectively connected to the pixel array, and the gate driving circuit is used to sequentially open For corresponding pixel columns in the pixel array, the source driving circuit outputs pixel data to each turned-on pixel. The gate driving circuit genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 席克瑞夏志强李峻孙丽娜
Owner SHANGHAI AVIC OPTOELECTRONICS
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