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. 19, 2024
Filed:
Aug. 23, 2022
Sharp Display Technology Corporation, Kameyama, JP;
Akira Sakai, Kameyama, JP;
Yuichi Kawahira, Kameyama, JP;
Masahiro Hasegawa, Kameyama, JP;
Ryosuke Saigusa, Kameyama, JP;
SHARP DISPLAY TECHNOLOGY CORPORATION, Kameyama, JP;
Abstract
An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle θ between an angle θand an angle θof greater than 0° and smaller than 90°, wherein the angle θrepresents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle θrepresents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.