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GIP drive circuit and control method thereof

A technology for driving circuits and capacitors, applied in instruments, static indicators, etc., can solve problems such as electrical offset, poor display, and impact on panel reliability, to avoid abnormal offset, reduce electrical defects, and improve reliability. sexual effect

Pending Publication Date: 2020-02-28
FUJIAN HUAJIACAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the GIP circuit design will affect the reliability of the panel. For example, the TFT device of the GIP will be electrically shifted after the reliability test, which will affect the normal operation of the GIP and cause poor display.

Method used

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  • GIP drive circuit and control method thereof
  • GIP drive circuit and control method thereof
  • GIP drive circuit and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Please refer to Figure 1 to Figure 5 , Embodiment 1 of the present invention is:

[0057] Please refer to Figure 1 to Figure 2 , a GIP driving circuit, comprising more than two GIP cascading groups, each of the GIP cascading groups includes a first GIP cascading 1, and the first GIP cascading 1 includes a first GIP unit 101, a second GIP unit 102, third GIP unit 103 and fourth GIP unit 104;

[0058] The first input end of the first GIP unit 101 is electrically connected to the first start signal of the peripheral, and the second input end of the first GIP unit 101 is electrically connected to the output end of the fourth GIP unit 104, so The output end of the first GIP unit 101 is electrically connected to the first input end of the third GIP unit 103, and the second input end of the second GIP unit 102 is electrically connected to the output end of the fourth GIP unit 104 , the output end of the second GIP unit 102 is electrically connected to the first input end ...

Embodiment 2

[0083] Please refer to Image 6 , the second embodiment of the present invention is:

[0084] A control method for a GIP drive circuit, comprising the following steps:

[0085] Step S1, within the first time period, control the first input terminal of the first GIP unit 101 to input a high level; the first time period is Figure 4 t1-t2 period in;

[0086] Step S2, within the second time period, control the first input terminal of the first GIP unit 101 to input a high level and control the first input terminal of the second GIP unit 102 to input a high level; the second time period is Figure 4 In the t2-t3 period;

[0087] Step S3, in the third time period, control the first input terminal of the second GIP unit 102 to input a high level and control the first input terminal of the third GIP unit 103 to input a high level; the third time period is Figure 4 The t3-t4 period in ;

[0088] Step S4, in the fourth time period, control the first input terminal of the third GI...

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Abstract

The invention relates to the technical field of panel driving circuits. The invention particularly relates to a GIP drive circuit and a control method thereof. A first GIP unit, a second GIP unit, a third GIP unit and a fourth GIP unit are arranged; the second input ends of the third GIP unit and the fourth GIP unit are independently connected with a termination signal, the level transmission modeof the GIP drive circuit is kept consistent, the problem that the reliability reducing of the GIP drive circuit occurs due to the fact that the GIP drive circuit keeps high level for a long time canbe prevented, poor electrical property caused by high level in the GIP drive circuit is reduced, and the reliability of the GIP drive circuit is effectively improved.

Description

technical field [0001] The invention relates to the technical field of panel driving circuits, in particular to a GIP driving circuit and a control method thereof. Background technique [0002] In an existing liquid crystal display panel, pixels in the panel are jointly driven by horizontal gate lines (Gate Line) and vertical source lines (Source Line). The gate is driven by the gate drive circuits on both sides of the panel, referred to as the GIP (GateIn Panel) drive circuit, and the vertical source line is provided with data voltage by the IC. Among them, the GIP circuit design will affect the reliability of the panel. For example, the TFT device of the GIP will be electrically shifted after the reliability test, which will affect the normal operation of the GIP and cause poor display. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a GIP drive circuit and a control method thereof capable of improving the rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3648
Inventor 方政
Owner FUJIAN HUAJIACAI CO LTD
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