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:
Apr. 03, 2018
Filed:
Oct. 28, 2014
Seiko Epson Corporation, Tokyo, JP;
Ryohei Kuri, Fujimi, JP;
Seiko Epson Corporation, , JP;
Abstract
An optical element includes a conductive fixed reflection film, a movable reflection film that faces the fixed reflection film, a transmissive second insulating film which is provided on a side of the fixed reflection film opposite to the movable reflection film, and a light receiving unit which is provided on a side of the second insulating film opposite to the fixed reflection film and within a light receiving region where the fixed reflection film, the movable reflection film, and the second insulating film overlap each other in an element plan view when seen from film thickness directions of the fixed reflection film and the movable reflection film, and which receives light emitted from the fixed reflection film.