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:
Aug. 25, 2026
Filed:
Jun. 04, 2024
Hkc Corporation Limited, Shenzhen, CN;
Han Mao, Shenzhen, CN;
Junfeng Xie, Shenzhen Guangdong, CN;
HKC CORPORATION LIMITED, Shenzhen, CN;
Abstract
Provided is an electronic paper display and a driving method thereof. The electronic paper display includes a first substrate and a second substrate arranged oppositely, and an electronic ink layer disposed therebetween. A common electrode is provided on a side of the first substrate facing the electronic ink layer, and a plurality of pixel units are provided on a side of the second substrate facing the electronic ink layer. Each pixel unit includes two sub-pixel electrodes, each connected to respective one of two source lines, and the two source lines are both connected to a gate line. The two source lines and the two sub-pixel electrodes are spaced apart along a first direction. The common electrode includes two sub-common electrodes spaced apart along a second direction, and orthographic projections of the two sub-common electrodes on the two sub-pixel electrodes are spaced apart to form four independent sub-pixel opening areas.