Shift register unit, gate scanning circuit

A technology of shift register and scanning pulse, which is applied in the field of shift register unit and gate scanning circuit, can solve the problems of single display mode, inability to meet display requirements, poor flexibility, etc., and achieve the effect of improving flexibility

Active Publication Date: 2018-10-23
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An object of the present invention is to provide a new type of shift register unit, which is used to solve the problem that the existing gate drive circuit including the shift register unit adopts a forward progressive scanning mode for scanning the gate lines, so that the display mode Relatively single, poor flexibility, unable to meet the display requirements of various states

Method used

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  • Shift register unit, gate scanning circuit
  • Shift register unit, gate scanning circuit
  • Shift register unit, gate scanning circuit

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Embodiment Construction

[0050] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0051] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0052] In a first aspect, the present invention provides a shift register unit, see figure 1 ,include:

[0053] The input module 100 is connected to the first DC voltage terminal CN, the second DC ...

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Abstract

The invention provides a shift register unit and a gate scanning circuit. In the shift register unit, when the input terminal of the first scan pulse is at the first level, the voltage of the first node is pulled up through the first DC voltage terminal to realize forward scanning; when the input terminal of the second scan pulse is at the first level Usually, the voltage of the first node is pulled up through the second DC voltage terminal to realize reverse scanning, so that the shift register provided by the present invention can support bidirectional scanning of the gate lines. In addition, each stage of the shift register unit also has two scan pulse output terminals. In the next time period when the first scan pulse output terminal outputs the gate driving signal to the Nth level pixel unit, the second scan pulse output terminal can be sent to The pixel units in the N+1 row output the gate voltage, so that the same level of shift registers can control the turn-on of the two rows of pixels, effectively improving the flexibility of display and meeting the display requirements of various states.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a shift register unit and a gate scanning circuit. Background technique [0002] GOA (Gate Driver On Array, the gate driver circuit is integrated on the array substrate) is an important means to realize the narrowing of the display device. Generally, the gate drive circuit integrated on the array substrate is composed of multi-level shift register units, and each level of shift register units sequentially shifts and outputs a scan pulse to the gates of the thin film transistors in the pixel units of each row, The corresponding thin film transistors are turned on, so as to realize the driving process of the pixel units in each row. [0003] The shift register unit in the gate drive circuit commonly used in the prior art is mainly composed of thin film transistors and capacitors. For each stage of shift register unit, its current output scan pulse output(n) is used as the next st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G11C19/28
CPCG09G3/3677G11C19/28G09G2310/0286G09G3/3266G09G2310/0283G09G3/20G09G2300/0809G09G2310/08G11C19/287
Inventor 王继国李付强
Owner BOE TECH GRP CO LTD
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