US 11,735,090 B2
Display panel having a varied multiplexing gate signal voltage
Jing Zhao, Beijing (CN); Xiuyun Chen, Beijing (CN); Yehao Zhang, Beijing (CN); Dapeng Liang, Beijing (CN); Meng Shi, Beijing (CN); Yadong Huang, Beijing (CN); and Zhenguo Xu, Beijing (CN)
Assigned to BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/424,519
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Sep. 30, 2020, PCT No. PCT/CN2020/119314
§ 371(c)(1), (2) Date Jul. 21, 2021,
PCT Pub. No. WO2022/067642, PCT Pub. Date Apr. 7, 2022.
Prior Publication US 2022/0157219 A1, May 19, 2022
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2003 (2013.01) [G09G 2310/027 (2013.01); G09G 2310/0297 (2013.01); G09G 2330/021 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of driving a display panel, wherein the display panel comprises a multiplexing unit and a plurality of pixels arranged in an array of M rows and N columns, the multiplexing unit comprises a plurality of thin film transistors, and each thin film transistor of the multiplexing unit comprises a gate electrode applied with a multiplexing unit gate signal, a first electrode applied with a data signal, and a second electrode electrically connected to a pixel driving circuit of a pixel; and wherein the method comprises:
acquiring a plurality of data signals for driving i-th row of pixels, where 1≤i≤M;
generating multiplexing unit gate signals for respective thin film transistors of the multiplexing unit based on the plurality of data signals; and
applying the multiplexing unit gate signals to gate electrodes of the respective thin film transistors, so that the respective thin film transistors of the multiplexing unit are turned on or turned off,
wherein the multiplexing unit gate signals change according to changes of the plurality of data signals; and
wherein the plurality of data signals for driving the i-th row of pixels comprise a plurality of positive voltage signals and a plurality of negative voltage signals, and the method further comprises:
determining a maximum positive voltage which has a maximum value among the plurality of positive voltage signals; and
determining a minimum negative voltage which has a minimum absolute value among the plurality of negative voltage signals.