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A shift register

A shift register, voltage level technology, used in static memory, digital memory information, instruments, etc.

Inactive Publication Date: 2017-01-04
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, how to make the gate drive circuit quickly resume normal operation after the touch circuit is enabled has become a difficulty that must be overcome.

Method used

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  • A shift register
  • A shift register
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Embodiment Construction

[0040] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0041] The detailed features and advantages of the present invention are described in detail below in the embodiments, which are sufficient to enable those skilled in the art to understand the technical content of the present invention and implement it accordingly, and according to the contents disclosed in this specification, claims and drawings, The related objects and advantages of the present invention can be easily understood by those skilled in the art. The following examples further illustrate the concept of the present invention in detail, but do not limit the scope of the present invention in any way.

[0042] Please refer to figure 1 , figure 1 It is a schematic circuit diagram of a shift register according to an embodiment of the present invention. The shift register 1 has a switch module 11 , a pull-up module 13...

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Abstract

A shift register comprises a switch module, a pull-up module, a pull-down module, a clamp module and a compensation module. The switch module, the pull-down module, the clamp module and the compensation module are coupled with the pull-up module. The switch module pulls up the voltage level of a control signal according to a start signal. The pull-up module adjusts the voltage level of an output signal according to the control signal. The pull-down module adjusts the voltage level of the output signal according to the control signal, the pull-down signal and a second clock rate signal. The clamp module adjusts the voltage level of the control signal and the voltage level of the output signal according to at least one clamp signal. The compensation module stores the voltage level of the control signal to a storage node selectively according to the second clock rate signal, and adjusts the voltage level of the control signal according to the voltage levels of a touch control disenable signal and the storage node.

Description

technical field [0001] The invention relates to a shift register, in particular to a shift register for a touch panel. Background technique [0002] In the in-cell touch panel, the in-cell touch panel is provided with a gate drive circuit and a touch circuit on the same substrate, and the distance between the gate drive signal line and the touch signal line is may be small, so gate drive signals and touch signals interfere with each other. Due to the strong strength of the gate driving signal, through the capacitive coupling effect, the gate driving signal often causes noise and interferes with the touch signal, thereby reducing the signal to noise ratio (SNR) of the touch operation. [0003] In one approach, in order to prevent the touch signal from being interfered by the gate drive signal, generally when the touch circuit is enabled, several specific signals in the shift register are pulled down to a low level to avoid The gate driving circuit and the touch circuit oper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C19/28G06F3/041
CPCG06F3/041G11C19/28
Inventor 洪凱尉张翔昇塗俊达黄正翰陈勇志杨创丞
Owner AU OPTRONICS CORP
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