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:
May. 06, 2025
Filed:
Mar. 18, 2021
Fuzhou Boe Optoelectronics Technology Co., Ltd., Fujian, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Zhiwei Zhou, Beijing, CN;
Xin Fang, Beijing, CN;
Wenchao Wang, Beijing, CN;
Pei Hu, Beijing, CN;
Jinliang Wang, Beijing, CN;
FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Fujian, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
The present disclosure is achieved by providing a first switch unit, a second switch unit, a pixel electrode and an auxiliary electrode in each of the sub-pixel regions of the array substrate; a control end and an input end of the first switch unit are connected to the grid line, the output end of the first switch unit is connected to the auxiliary electrode; and an orthographic projection of the auxiliary electrode on the first substrate at least covers the orthographic projection of the channel region of the second switch unit on the first substrate. Thus, when the electronic paper displays each frame screen, the grid line will input the grid scan signal, the first switch unit is turned on and a positive voltage is charged to the auxiliary electrode, the auxiliary electrode will attract negatively charged white charged particles and repel the positively charged black charged particles.