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:
Jun. 30, 2020
Filed:
Oct. 24, 2016
Dexerials Corporation, Shinagawa-ku, Tokyo, JP;
Tomu Takeda, Tome, JP;
Hideto Sagawa, Tome, JP;
Dexerials Corporation, Shinagawa-ku, Tokyo, JP;
Abstract
Provided is a polarizing element having a wire grid structure. The polarizing element includes a transparent substrate () and grid-shaped protrusions () that are arranged on the transparent substrate () at a smaller pitch than a wavelength of operating band light and that extend in a specific direction. The grid-shaped protrusions () include a reflection layer () formed on the transparent substrate (). The reflection layer () includes a metal layer () and an oxide layer () that covers a side surface of the metal layer () as viewed in the specific direction and is formed from an oxide of a constituent metal of the metal layer ().