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:
Mar. 07, 2023
Filed:
Jan. 20, 2022
Wuhan Boe Optoelectronics Technology Co., Ltd., Hubei, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Dalong Mao, Beijing, CN;
Jian Zhao, Beijing, CN;
Peng Chen, Beijing, CN;
Zizheng Liu, Beijing, CN;
Zhuo Chen, Beijing, CN;
Dongxu Yuan, Beijing, CN;
Hao Yu, Beijing, CN;
Man Wang, Beijing, CN;
WUHAN BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei, CN;
BOE TECHNOLOGY GROUP CO., LTD., Bejjing, CN;
Abstract
Provided is a flexible display screen, including: a flexible substrate provided with a foldable portion; pixel units disposed on a first surface of the flexible substrate; and a fold detection device including a reflective grating structure, an optical waveguide structure and a photoelectric sensor, wherein the optical waveguide structure and the reflective grating structure are sequentially laminated on the first surface of the flexible substrate and both disposed in the foldable portion, an orthographic projection of the optical waveguide structure onto the flexible substrate is overlapped with an orthographic projection of the reflective grating structure onto the flexible substrate, and the optical waveguide structure is connected to the photoelectric sensor.