- 专利标题: GOA circuit and liquid crystal display device
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申请号: US15578245申请日: 2017-09-15
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公开(公告)号: US10360866B2公开(公告)日: 2019-07-23
- 发明人: Tianhong Wang , Shujhih Chen
- 申请人: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- 申请人地址: CN Shenzhen, Guangdong
- 专利权人: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
- 当前专利权人: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
- 当前专利权人地址: CN Shenzhen, Guangdong
- 代理商 Leong C. Lei
- 优先权: CN201710693610 20170814
- 国际申请: PCT/CN2017/101975 WO 20170915
- 国际公布: WO2019/033493 WO 20190221
- 主分类号: G09G3/36
- IPC分类号: G09G3/36
摘要:
The present invention involves a GOA circuit and a liquid crystal display. The GOA circuit comprises an N-th stage GOA unit, which comprises a pull-high control circuit, a pull-high circuit, a pull-down circuit, a pull-down sustain circuit, and a boast capacitor (Cb). A first clock signal CK(N) is inputted to the pull-high circuit. The pull-high control circuit comprises: A first thin film transistor (T11), whose gate electrode is connected with a stage-transfer signal output terminal of the (N−m)th stage GOA unit, whose source electrode and drain electrode are respectively connected with a gate electrode of a second thin film transistor (T12) and inputted with a second clock signal (XCK(N)). A source electrode and a drain electrode of the second thin film transistor (T12) are respectively connected with the stage-transfer signal output terminal of the (N−m)th stage GOA unit and the node (Q(N)) of the N-th stage GOA unit. The present invention also provides a corresponding liquid crystal display device. The GOA circuit and the liquid crystal display device of the present invention can make the output waveform of the node Q of each GOA unit be consistent.
公开/授权文献
- US20190051263A1 GOA CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE 公开/授权日:2019-02-14
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