The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Dec. 05, 2019
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Yu Zhao, Beijing, CN;
Yanchen Li, Beijing, CN;
Xianwei Sui, Beijing, CN;
Mengmeng Ma, Beijing, CN;
Dawei Feng, Beijing, CN;
Hailong Wang, Beijing, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
A pixel circuit, a driving method thereof, an array substrate, and a display device are provided. The pixel circuit includes signal inputting sub-circuit, signal reading sub-circuit, and photosensitive element. The signal inputting sub-circuit is configured to: under control of inputting control terminal, turn on coupling between signal inputting terminal and first terminal of photosensitive element in signal writing period, and turn off coupling between signal inputting terminal and first terminal of photosensitive element in exposure period and signal reading period. The signal reading sub-circuit is configured to: under control of reading control terminal, turn off coupling between first terminal of photosensitive element and signal reading terminal in signal writing period and exposure period, and turn on coupling between first terminal of photosensitive element and signal reading terminal in signal reading period. Second terminal of photosensitive element is coupled to common electrode signal inputting terminal.