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Gate driving circuit, method for repairing gate driving circuit, and display device

A gate drive circuit and gate drive technology, applied in static indicators, instruments, etc., can solve problems affecting the pass rate of display devices and the scrapping of the entire panel, and achieve the effect of repairing and improving the yield rate of the panel

Active Publication Date: 2018-04-20
KUSN INFOVISION OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing gate drive circuit design, the subunit circuit of the gate drive circuit is abnormal due to reasons such as transistor disconnection or short circuit, which leads to the scrapping of the entire panel and affects the pass rate of the display device.

Method used

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  • Gate driving circuit, method for repairing gate driving circuit, and display device
  • Gate driving circuit, method for repairing gate driving circuit, and display device
  • Gate driving circuit, method for repairing gate driving circuit, and display device

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Embodiment Construction

[0021] Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. In the various figures, identical elements are indicated with similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale. Also, some well-known parts may not be shown.

[0022] In the following, numerous specific details of the present invention are described in order to provide a clearer understanding of the present invention. However, the invention may be practiced without these specific details, as will be understood by those skilled in the art.

[0023] figure 1 The method for repairing the gate drive circuit in the display device according to the embodiment of the present invention is shown.

[0024] Such as figure 1 As shown, the repair method is divided into the following steps:

[0025] S01: Detect whether any abnormality occurs in the gate drive units of each level. If no abnormality occurs, ...

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PUM

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Abstract

The application discloses a gate driving circuit, a method for repairing the gate driving circuit, and a display device. The gate driving circuit is configured to provide a plurality of gate driving signals for a display panel through a gate line, and includes: a plurality of cascaded gate driving units each of which is used for generating the gate driving signal of the gate driving unit accordingto gate driving signals provided by a previous gate driving unit and a following gate driving unit; and a signal conversion module for generating a delay signal; When an anomaly occurs in one or moreof the plurality of cascaded gate driving units, the signal conversion module generates a delay signal, according to the gate driving signal provided by the previous gate driving unit of the abnormalgate driving unit, as a gate driving signal of the abnormal gate driving unit.

Description

technical field [0001] The present invention relates to the field of display technology, and more particularly, to a gate drive circuit, a repair method for the gate drive circuit, and a display device. Background technique [0002] A display device generally includes a display panel, a gate driving circuit and a source driving circuit. Wherein, the display panel includes a pixel array formed by a plurality of pixel units, and each pixel unit includes a thin film transistor. In the pixel array, the gates of the thin film transistors in the pixel units in the same row are connected to the gate drive circuit through the same scan line, and the gate drive circuit selects each row of pixel units in the pixel array row by row through multiple scan lines ; The sources or drains of the thin film transistors in the pixel units in the same column are connected to the source drive circuit through the same data line, and the source drive circuit applies grayscale voltages to the pixel...

Claims

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Application Information

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IPC IPC(8): G09G3/20
CPCG09G3/20G09G2310/0267
Inventor 杨博孟笑
Owner KUSN INFOVISION OPTOELECTRONICS