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.

Date of Patent:
Aug. 01, 2017

Filed:

May. 22, 2015
Applicant:

Nichia Corporation, Anan-shi, Tokushima, JP;

Inventors:

Takafumi Sugiyama, Yoshinogawa, JP;

Shinichi Nagahama, Tokushima, JP;

Assignee:

NICHIA CORPORATION, Anan-Shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/20 (2006.01); F21L 14/02 (2006.01); H04N 9/31 (2006.01); G03B 33/08 (2006.01); H01S 5/00 (2006.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); F21L 14/023 (2013.01); G03B 21/206 (2013.01); G03B 21/2013 (2013.01); G03B 33/08 (2013.01); H04N 9/3158 (2013.01); H04N 9/3164 (2013.01); H01S 5/0078 (2013.01); H01S 5/4093 (2013.01);
Abstract

Provided is a high-emission light source device which is capable of obtaining a desired color tone of red light and can be mounted on a small projector. A light source device includes a first light source for emitting a red light, a second light source for emitting a light different from the red light, a fluorescent member for emitting a light containing a red light component and a light component other than the red light component upon receiving the light emitted from the second light source, and a filter for transmitting or reflecting the red light component of the light emitted from the fluorescent member.


Find Patent Forward Citations

Loading…