Shifting register unit, driving method, gate driving circuit and display device

A shift register and circuit technology, applied in the field of shift register units, gate drive circuits, display devices, and drive methods, can solve problems such as the shift register unit's failure to output normally, and achieve the effect of ensuring normal output

Pending Publication Date: 2018-02-02
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a shift register unit, a driving method, a gate drive circuit and a display device, which can solve the problem in the related art that the shift register unit may not be able to output normally under the influence of a pull-down node. The technical solution is as follows:

Method used

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  • Shifting register unit, driving method, gate driving circuit and display device
  • Shifting register unit, driving method, gate driving circuit and display device
  • Shifting register unit, driving method, gate driving circuit and display device

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Embodiment Construction

[0064] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe in detail the embodiments of the present invention in conjunction with the accompanying drawings.

[0065] The transistors used in all the embodiments of the present invention can be thin film transistors or field effect transistors or other devices with the same characteristics, and the transistors used in the embodiments of the present invention are mainly switching transistors according to their functions in circuits. Since the source and drain of the switching transistor used here are symmetrical, the source and drain are interchangeable. In the embodiment of the present invention, the source is referred to as the first stage, and the drain is referred to as the second stage. According to the form in the accompanying drawings, it is stipulated that the middle terminal of the transistor is the gate, the signal input terminal is the sou...

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PUM

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Abstract

The invention discloses a shifting register unit, a driving method, a gate driving circuit and a display device, and belongs to the technical field of displays. The shifting register unit includes aninput sub-circuit, an output sub-circuit, a discharging sub-circuit and a noise reduction sub-circuit , wherein the discharging sub-circuit is respectively connected with the input signal terminal, the first power terminal and the pull-down node for outputting the first power signal to the pull-down node under the control of the input signal. In the shift register unit provided by the present invention, the discharging sub-circuit can control a potential of the pull-down node to be an inactive potential during an input phase, so as to prevent the noise reduction sub-circuit from affecting thepotentials of a pull-up node and an output terminal under the control of the pull-down node, and ensure the normal output of the shifting register unit.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a shift register unit, a driving method, a gate driving circuit and a display device. Background technique [0002] The shift register usually includes a plurality of cascaded shift register units, each shift register unit is used to drive a row of pixel units, and the row-by-row operation of each row of pixel units in the display device is realized by the plurality of cascaded shift register units. Scan the driver to display the image. [0003] There is a shift register unit in the related art, which mainly includes an input subcircuit, an output subcircuit, a pull-down control subcircuit and a noise reduction subcircuit. Among them, the input subcircuit is used to charge the pull-up node according to the driving signal output by the shift register unit of the upper stage in the input stage, and the output subcircuit is used to output to the output terminal in the output stage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C19/28G09G3/36G09G3/3266
CPCG09G3/3266G09G3/3677G11C19/28G09G2310/0286G11C7/02G09G3/3674G09G2310/0267G09G3/20G09G2310/061
Inventor 王志冲郑皓亮韩承佑商广良韩明夫袁丽君姚星
Owner BOE TECH GRP CO LTD
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