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:
May. 08, 2018
Filed:
Dec. 19, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Gakuji Yamamoto, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 40/14 (2006.01); G06K 9/00 (2006.01); H01L 27/146 (2006.01); H01L 27/32 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G06K 9/0004 (2013.01); G06K 9/00087 (2013.01); H01L 27/1462 (2013.01); H01L 27/14623 (2013.01); H01L 27/14627 (2013.01); H01L 27/14649 (2013.01); H01L 27/3234 (2013.01); H04N 5/2254 (2013.01);
Abstract
An optical device includes a first substrate, a second substrate, a first transmitting portion, N light-emitting portions, and a light-receiving portion. The first transmitting portion is disposed in the first substrate. The N light-emitting portions are disposed in the first substrate, and the N is an integer of 2 or more. The light-receiving portion is configured to receive light passing through the first transmitting portion and is disposed in the second substrate.