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:
Feb. 23, 2021
Filed:
Jul. 26, 2017
Sony Corporation, Tokyo, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
An optical compensation element includes a first member that includes a first transparent substrate, a first alignment film, and a first phase difference layer and a second member that includes a second transparent substrate, a second alignment film, and a second phase difference layer. In the optical compensation element, a first inorganic barrier layer is formed on a surface of the first phase difference layer, where the surface faces the second member a second inorganic barrier layer is formed on a surface of the second phase difference layer, where the surface faces the second member and the first inorganic barrier layer and the second inorganic barrier layer are bonded by an adhesive layer.