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:
Jul. 13, 2021
Filed:
May. 22, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yasutaka Imai, Suwa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H04N 9/31 (2006.01); F21V 7/30 (2018.01); F21V 9/32 (2018.01); F21V 9/40 (2018.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); F21V 7/30 (2018.02); F21V 9/32 (2018.02); F21V 9/40 (2018.02); H04N 9/3197 (2013.01);
Abstract
A light emitter including a base, a light source that outputs light, and a phosphor that is provided in a form of a film at a first surface of the base and emits light when irradiated with the light outputted from the light source. A second surface of the phosphor that is a surface opposite the base has an irregular shape, and the light source radiates the light obliquely with respect to the irregular shape.