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:
Aug. 20, 2019
Filed:
Apr. 17, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yoshitomo Kumai, Okaya, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B29C 59/00 (2006.01); B29D 11/00 (2006.01); H04N 9/31 (2006.01); G02F 1/1335 (2006.01); G02B 1/10 (2015.01); G02B 5/00 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3058 (2013.01); B29C 59/007 (2013.01); B29D 11/00788 (2013.01); G02B 1/10 (2013.01); G02B 5/003 (2013.01); G02B 5/3041 (2013.01); G02F 1/133536 (2013.01); H04N 9/3105 (2013.01); H04N 9/3167 (2013.01); B29K 2995/0026 (2013.01); B29L 2011/00 (2013.01); G02F 2001/133548 (2013.01);
Abstract
An optical element includes a substrate, a plurality of reflection layers disposed on one side of the substrate, an absorbing layer disposed on a side of the reflection layers that is opposite to the substrate, and an oxide film that covers the absorbing layer and portions between any two adjacent reflection layers. The reflection layers are arranged in a striped manner in plan view. The oxide film is made of an oxide of a material contained in the absorbing layer.