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:
Apr. 13, 2021
Filed:
Dec. 10, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Jingang Zhang, Beijing, CN;
Fucheng Yang, Beijing, CN;
Wenchu Han, Beijing, CN;
Zihe Zhang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, Chengdu, CN;
Abstract
There is provided an electronic paper display apparatus and a production method and a driving method thereof. The electronic paper display apparatus has: a first electrode layer and a thin-film transistor array layer, which are opposite; an electronic paper ink layer, which is between the first electrode layer and the thin-film transistor array layer; and a second electrode layer, which is on a side of the thin-film transistor array layer away from the electronic paper ink layer and is configured to be capable of forming an electric field for removing an image of the electronic paper ink layer or resetting the electronic paper ink layer together with the first electrode layer.