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:
Sep. 24, 2019
Filed:
Sep. 08, 2016
Applicant:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masaki Inoue, Tokyo, JP;
Osamu Osawa, Tokyo, JP;
Assignee:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/38 (2018.01); F21S 2/00 (2016.01); F21V 9/30 (2018.01); F21V 5/04 (2006.01); F21V 7/09 (2006.01); F21V 13/00 (2006.01); F21V 7/24 (2018.01); F21V 9/35 (2018.01); G02B 19/00 (2006.01); G03B 21/20 (2006.01); F21V 5/00 (2018.01); H01S 5/00 (2006.01); H01S 5/40 (2006.01);
U.S. Cl.
CPC ...
F21S 2/00 (2013.01); F21V 5/008 (2013.01); F21V 5/04 (2013.01); F21V 7/09 (2013.01); F21V 7/24 (2018.02); F21V 9/30 (2018.02); F21V 9/35 (2018.02); F21V 13/00 (2013.01); G02B 19/0014 (2013.01); G02B 19/0019 (2013.01); G03B 21/204 (2013.01); G03B 21/2013 (2013.01); H01S 5/005 (2013.01); H01S 5/0071 (2013.01); H01S 5/4012 (2013.01);
Abstract
An illumination device includes a plurality of excitation light sources; a fluorescent plate for receiving the excitation light and emitting fluorescent light; and an optical system for causing excitation light from each of the plurality of excitation light sources to be incident on the fluorescent plate, the optical system includes a plurality of reflection surfaces for redirecting the output from the respective excitation light sources into a divergent light pattern.