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A two-stage single mos tube goa scanning drive circuit and display panel

A scanning driving circuit and scanning driving technology, applied in static indicators, instruments, etc., can solve the problem of easy failure of GOA circuit and driving structure, and achieve the effect of reducing the risk of failure, reducing the probability of leakage, and reducing the holding time of high level

Active Publication Date: 2018-07-17
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention is to provide a two-stage single MOS transistor GOA scan drive circuit and a display panel, which can solve the problem that the existing GOA circuit and drive architecture are prone to failure during operation

Method used

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  • A two-stage single mos tube goa scanning drive circuit and display panel
  • A two-stage single mos tube goa scanning drive circuit and display panel
  • A two-stage single mos tube goa scanning drive circuit and display panel

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] see Figure 4 with Figure 5 , Figure 4 It is a schematic diagram of the circuit structure of an embodiment of the two-stage single MOS transistor GOA scanning drive circuit of the present invention, Figure 5 It is a schematic diagram of the driving architecture of an embodiment of the two-stage single MOS transistor GOA scanning driving circuit of the present invention.

[0048] Such as Figure 4 with Figure 5 As shown, the two-stage single MOS...

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Abstract

The invention discloses a two-stage single MOS tube GOA scanning driving circuit and a display panel. In each group of scanning driving units of the two-stage single MOS tube GOA scanning driving circuit, the level transmission signal input signal inputted by the level transmission signal input end of the input control circuit of a first scanning driving line and a second scanning driving line are set as signals with different time sequences, and the level transmission signal control signals inputted by the level transmission signal input end of the input control circuit are set as signals with different time sequences. Through the above mode, the Q point leakage probability outputted by the control scanning signal in the circuit can be reduced, and the purpose of reducing circuit failure risk is achieved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a two-stage single MOS transistor GOA scanning drive circuit and a display panel. Background technique [0002] Gate Driver On Array, referred to as GOA, is a technology that uses the existing TFT-LCD Array manufacturing process to fabricate the Gate line scan drive signal circuit on the Array substrate to realize the gate progressive scan drive method. [0003] Existing GOA circuits and drive architectures may be at risk of failure during operation. First, if figure 1 As shown, the first-stage GOA circuit and the second-stage GOA circuit have the same stage transmission input signal STV, the first-stage Gate signal is generated by the CK2 signal, and the second-stage Gate signal is generated by the CK3 signal, so the first stage and the second stage The high-level holding time of the Q point of the stage GOA circuit is different (such as image 3 As shown), the high level of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3677
Inventor 易士娟
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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