Boe Technology Group Co., Ltd.

Jun-Jung- Mok

Xue Dong

Guangliang Shang

Haoliang Zheng

Jing Lv

Xing Yao

Zhichong Wang

Lijun Yuan

Mingfu Han

Yinglong Huang

Zhihe Jin

Han-Seung- Woo

Im-Yun- Sik

Embodiments of the present disclosure provide a shift register unit, a driving method thereof, a gate driving circuit, and a display device. The shift register unit comprises an input circuit, a reset circuit, a plurality of output circuits, a plurality of pull-down circuits and a plurality of pull-down control circuits. During a first time period, all of signals output by the plurality of output circuits are valid. During a second time period, at least one of the signals output by the plurality of output circuits is invalid, wherein the second time period comprises a first sub-period and a second sub-period, and the state of at least one of the signals output by the plurality of output circuits during the first sub-period is opposite to the state thereof during the second sub-period. The shift register unit may enable transistors in a pixel circuit to switch between ON and OFF states, so as to extend lifetime of the transistors.

Shift register units and driving methods thereof, gate driving circuits and display devices with transistors having extended lifetime

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Beijing, China

Jun-Jung- Mok