US 12,293,723 B2
Shift register unit, gate driving circuit, display device, and driving method
Xuehuan Feng, Beijing (CN); and Yongqian Li, Beijing (CN)
Assigned to Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Feb. 19, 2024, as Appl. No. 18/444,926.
Application 18/444,926 is a continuation of application No. 17/838,419, filed on Jun. 13, 2022, granted, now 11,942,041.
Application 17/838,419 is a continuation in part of application No. 17/355,621, filed on Jun. 23, 2021, granted, now 11,403,990, issued on Aug. 2, 2022.
Application 17/355,621 is a continuation in part of application No. 16/633,370, granted, now 11,069,281, issued on Jul. 20, 2021, previously published as PCT/CN2019/096185, filed on Jul. 16, 2019.
Claims priority of application No. 201810792891.7 (CN), filed on Jul. 18, 2018.
Prior Publication US 2024/0194149 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G09G 3/3266 (2016.01); G11C 19/28 (2006.01)
CPC G09G 3/3266 (2013.01) [G11C 19/28 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/061 (2013.01); G09G 2310/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A shift register unit, comprising a first transmission circuit and a first input-output unit,
wherein the first input-output unit comprises a first pull-up node and a first output terminal,
the first transmission circuit is electrically connected to a blanking pull-up node and the first pull-up node, and is configured to charge the first pull-up node, by using a blanking pull-up signal, in response to a first transmission signal,
the first input-output unit comprises an output circuit, a first pull-down control circuit, and a first pull-down auxiliary control circuit,
the output circuit is configured to output a composite output signal to the first output terminal under control of a level of the first pull-up node,
the first pull-down control circuit is configured to control a level of a pull-down node under the control of the level of the first pull-up node, and
the first pull-down auxiliary control circuit is configured to control the first pull-down control circuit so as to further control a level of the pull-down node under the control of the level of the first pull-up node.