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:
Mar. 15, 2016
Filed:
Aug. 28, 2014
Applicant:
Disco Corporation, Tokyo, JP;
Inventor:
Kota Fukaya, Tokyo, JP;
Assignee:
Disco Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/78 (2006.01); H01L 33/00 (2010.01); H01L 33/22 (2010.01);
U.S. Cl.
CPC ...
H01L 21/78 (2013.01); H01L 33/0095 (2013.01); H01L 33/22 (2013.01);
Abstract
An optical device including a substrate formed of a light transmitting material and a light emitting layer formed on the front surface of the substrate. Both the front surface and the back surface of the substrate are parallel to each other and have substantially the same rectangular shape. The substrate has four side surfaces connecting the front surface and the back surface of the substrate. Each side surface of the substrate has a corrugated sectional shape such that a plurality of concave portions and convex portions are alternately formed.