Shift register

A technology of shift registers and transistors, applied in static memory, digital memory information, instruments, etc., can solve problems such as output signal failure to transmit, voltage drop, etc.

Active Publication Date: 2019-11-05
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the voltage registered at the control terminal of the output control circuit of the shift register will drop due to the leakage of the pull-down circu

Method used

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Embodiment Construction

[0039] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0040] The following disclosure provides many different embodiments or illustrations for implementing different features of the invention. The components and arrangements of specific examples are used in the following discussion to simplify the disclosure. Any exemplifications discussed are for illustrative purposes only and do not in any way limit the scope and meaning of the invention or the exemplifications thereof. In addition, the present disclosure may repeatedly refer to numerals and / or letters in different illustrations, and these repetitions are for simplification and illustration, and do not specify the relationship between different embodiments and / or configurations in the following discussion.

[0041] Unless otherwise specified, the terms used throughout the specification and claims generally have the ordinary me...

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PUM

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Abstract

A shift register comprises a pull-down circuit, a supplementary circuit, an output control circuit and an input circuit. The supplementary circuit and the pull-down circuit are coupled to the first node and the second node and receive a touch signal. The output control circuit is coupled to the second node. The input circuit is coupled to a first node and transmits an input voltage to the first node and a second node according to an input signal. The supplementary circuit transmits the voltage value of the touch signal to the second node according to the input voltage and the touch signal so as to maintain the voltage value of the second node.

Description

technical field [0001] The present invention relates to a shift register, and more particularly to a shift register maintaining a voltage by a complementary circuit. Background technique [0002] The touch display panel includes a gate driver and a source driver. In the current touch display panel design, the gate driver is used to output scan signals to the touch display panel at regular intervals. The gate driver includes a plurality of shift registers, and each shift register delays an input signal to output an output signal according to a clock pulse signal. The next-stage shift register takes the output signal of the upper-stage shift register as an input signal, and then delays the output to become its own output signal. [0003] Specifically, the input signal of the shift register is stored in the control terminal of the output control circuit of the shift register, and then the gate signal and the output signal are output through the output control circuit accordin...

Claims

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Application Information

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IPC IPC(8): G11C19/28G09G3/20G06F3/041
CPCG06F3/0416G09G3/20G09G2310/0286G11C19/28G06F3/04184G06F3/0412G09G3/3677G11C19/00G11C19/287
Inventor 陈柄霖
Owner AU OPTRONICS CORP
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