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:
Dec. 08, 2020
Filed:
Sep. 24, 2018
Applicant:
Dexerials Corporation, Tokyo, JP;
Inventor:
Tomu Takeda, Tokyo, JP;
Assignee:
Dexerials Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3058 (2013.01); B29D 11/00644 (2013.01); B29D 11/0073 (2013.01);
Abstract
Provided is a polarizing element having a wire grid structure, including: a transparent substrate; and grid-shaped convex portions arranged on the transparent substrate at a pitch shorter than a wavelength of light in a use band and extending in a predetermined direction, wherein the grid-shaped convex portion includes a first absorption layer, a first dielectric layer, a reflection layer, a second dielectric layer, and a second absorption layer in order from the transparent substrate side. Further, an optical device including the polarizing plate is provided.