Invention Grant
- Patent Title: Gate driver on array circuit, pixel circuit of an AMOLED display panel, AMOLED display panel, and method of driving pixel circuit of AMOLED display panel
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Application No.: US16080944Application Date: 2017-08-16
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Publication No.: US11250783B2Publication Date: 2022-02-15
- Inventor: Zuquan Hu , Xiping Wang
- Applicant: BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Applicant Address: CN Beijing; CN Anhui
- Assignee: BOE Technology Group Co., Ltd.,Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.,Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Current Assignee Address: CN Beijing; CN Anhui
- Agency: Intellectual Valley Law, P.C.
- International Application: PCT/CN2017/097643 WO 20170816
- International Announcement: WO2019/033294 WO 20190221
- Main IPC: G09G3/3266
- IPC: G09G3/3266 ; G09G3/3233

Abstract:
A gate-driver-on-array (GOA) circuit includes N GOA units cascaded in series to generate N sets of driving signals. Each n-th GOA unit includes a first terminal configured to receive a high-level voltage, a second terminal configured to receive a low-level voltage, and a clock signal terminal configured to receive a clock signal, an input terminal and a reset terminal respectively configured to receive internal signals from two alternative GOA units in the series, a first output terminal configured to output a gate-driving signal, and a second output terminal configured to output a node voltage signal. Each n-th set of the N sets of driving signals includes a first driving signal being a gate-driving signal from a (n−1)th GOA unit, a second driving signal being a gate-driving signal from a n-th GOA unit, and a third driving signal being a node voltage signal from the n-th GOA unit for driving an AMOLED pixel circuit.
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