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. 21, 2020
Filed:
Mar. 16, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Wenqu Liu, Beijing, CN;
Feng Zhang, Beijing, CN;
Zhijun Lv, Beijing, CN;
Liwen Dong, Beijing, CN;
Shizheng Zhang, Beijing, CN;
Ning Dang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A fingerprint recognition sensor includes a plurality of fingerprint recognition units arranged in an array. Each of the fingerprint recognition units includes a base substrate, an image capturing device disposed on one side of the substrate, and a first grating structure and a second grating structure sequentially disposed on the other side of the base substrate, the first grating structure has a first imaging hole at a position opposite to the image capturing device and the second grating structure has a second imaging hole at a position opposite to the image capturing device, and an extending direction of a slit of the first grating structure is perpendicular to an extending direction of a slit of the second grating structure.