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Image display system and grid drive circuit

A technology of gate drive circuit and image display system, applied in static indicators, instruments, etc., can solve problems such as inability to meet demand

Active Publication Date: 2013-06-05
INNOCOM TECH SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a single scan sequence can no longer meet the needs of today's image display system products

Method used

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  • Image display system and grid drive circuit
  • Image display system and grid drive circuit
  • Image display system and grid drive circuit

Examples

Experimental program
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Embodiment Construction

[0034] figure 1 Various implementations of the image display system according to an embodiment of the present invention are shown. Such as figure 1 As shown, the image display system may include a display panel 101 , wherein the display panel 101 includes gate driving circuits 110 - 1 and 110 - 2 , a data driving circuit 120 , a pixel matrix 130 and a control chip 140 . The gate driving circuits 110 - 1 and 110 - 2 are used for generating a plurality of gate driving signals to drive a plurality of pixels of the pixel matrix 130 . The data driving circuit 120 is used for generating a plurality of data driving signals to provide data to a plurality of pixels of the pixel matrix 130 . The control chip 140 is used to generate a plurality of control signals, including a clock signal and an initial pulse wave. According to an embodiment of the present invention, the pixel matrix 130 is located on a substrate, and the gate driving circuits 110-1 and 110-2 are fabricated on the sub...

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Abstract

The invention provides an image display system and a grid drive circuit. The grid drive circuit comprises a positive input circuit, a reverse input circuit and a control circuit, wherein the positive input circuit receives positive input signals and positive reset signals, and controls voltage potential of a control endpoint according to the voltage potential of the positive input signals and the voltage potential of the positive reset signals in positive scanning; the reverse input circuit receives reverse input signals and reverse reset signals, and controls voltage potential of a control endpoint according to the voltage potential of the reverse input signals and the voltage potential of the reverse reset signals in reverse scanning; the control circuit is connected with the control endpoint in a coupling mode and receives first clock signals, and is used for selectively outputting the first clock signals or a certain voltage signals on an outputting endpoint of a shift register as grid drive signals according to the voltage potential of the control endpoint.

Description

technical field [0001] The present invention relates to a shift register module, in particular to a bidirectional shift register module that can operate in different scan sequences. Background technique [0002] Shift registers are widely used in data driving circuits and gate driving circuits to respectively control the timing of receiving data signals for each data line and generate scanning signals for each gate line. In the data driving circuit, the shift register is used to output a selection signal to each data line, so that image data can be sequentially written into each data line. On the other hand, in the gate driving circuit, the shift register is used to generate a scan signal to each gate line for sequentially writing the image signals supplied to each data line into the pixels of a pixel matrix. [0003] In recent years, an Amorphous Silicon Gate driver (ASG for short) technology has been developed. ASG technology is to directly integrate the gate drive circu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20
Inventor 黄筑琳江建学
Owner INNOCOM TECH SHENZHEN