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:
Feb. 07, 2017
Filed:
Nov. 29, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takayuki Matsubara, Chino, JP;
Hidefumi Sakata, Tatsuno-machi, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 27/14 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 27/141 (2013.01); H04N 9/3105 (2013.01); H04N 9/3114 (2013.01); H04N 9/3158 (2013.01); H04N 9/3164 (2013.01); H04N 9/3111 (2013.01); H04N 9/3117 (2013.01);
Abstract
A light source device includes a wavelength conversion element adapted to emit a second light in a first wavelength range due to irradiation of a first light, and a wavelength separation element to which the second light is input, and the wavelength separation element generates a third light reduced in light intensity of a component in a second wavelength range among a component in the first wavelength range compared to the second light.