US 12,462,768 B2
Gate driving circuit having first suppression module, display panel, driving method and display device
Zhengxin Zhang, Beijing (CN); Lei Guo, Beijing (CN); Jiali Zhang, Beijing (CN); Hanqing Liu, Beijing (CN); Ye Wang, Beijing (CN); Junrui Cui, Beijing (CN); Qiang Wang, Beijing (CN); Wei Tang, Beijing (CN); and Pengju Zhang, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/000,279
Filed by BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Apr. 22, 2022, PCT No. PCT/CN2022/088520
§ 371(c)(1), (2) Date Nov. 29, 2022,
PCT Pub. No. WO2023/201715, PCT Pub. Date Oct. 26, 2023.
Prior Publication US 2025/0037677 A1, Jan. 30, 2025
Int. Cl. G09G 3/36 (2006.01); G06F 3/041 (2006.01); G09G 3/20 (2006.01); G11C 19/28 (2006.01)
CPC G09G 3/3677 (2013.01) [G06F 3/041 (2013.01); G09G 3/20 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0286 (2013.01); G09G 2320/02 (2013.01); G09G 2320/041 (2013.01); G09G 2320/043 (2013.01); G11C 19/28 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A gate driving circuit, comprising an input module, a pull-up node, an output module, a first pull-down node, a first pull-down node control module and a first suppression module; wherein
the input module is electrically connected to an input control terminal, a first input terminal and the pull-up node respectively, and is configured to input a signal inputted by the first input terminal into the pull-up node under the control of a first input control terminal;
the output module is electrically connected to the pull-up node, a first signal terminal and an output terminal respectively, and is configured to output a signal inputted by the first signal terminal through the output terminal under the control of a potential of the pull-up node;
the first pull-down node control module is electrically connected to a second signal terminal, a first pull-down control node, a first pull-down node, the pull-up node and a first connection node, respectively, and is configured to control a potential of the first pull-down control node under the control of the second signal terminal and the potential of the pull-up node, and is configured to control to connect the first connection node and the first pull-down node under the control of the potential the pull-up node, and is configured to input a signal provided by the second signal terminal to the first pull-down node under the control of the potential of the first pull-down control node;
the first suppression module is respectively electrically connected to the pull-up node, the first connection node and a first level signal terminal, and is configured to input a signal provided by the first level signal terminal to the first connection node under the control of the potential of pull-up node;
wherein the first suppression module includes a first sub-circuit; the first sub-circuit is electrically connected to the pull-up node, the first connection node and the first level signal terminal respectively, and is configured to input the signal inputted by the first level signal terminal into the first connection node under the control of the potential of the pull-up node;
wherein the first pull-down node control module is electrically connected to the second connection node, and is configured to input the signal provided by the second signal terminal to the first pull-down control node under the control of the second signal terminal, and control to connect the first pull-down control node and the second connection node under the control of the potential of the pull-up node;
the first suppression module is also electrically connected to the second connection node, is configured to input the signal provided by the first level signal terminal to the second connection node under the control of the potential of the pull-up node;
wherein the first pull-down node control module and the first suppression module are independent of each other and are connected via the first connection node;
wherein the first signal terminal and the second signal terminal are different signal terminals; and
wherein the gate drive circuit comprises a plurality of transistors, and a structure of each of the transistors is a single-gate structure.