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:
Dec. 24, 2019
Filed:
Jul. 25, 2018
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Yoshiyuki Takahira, Sakai, JP;
Koji Takahashi, Sakai, JP;
Yosuke Maemura, Sakai, JP;
Hiroshi Kijima, Sakai, JP;
Assignee:
Sharp Kabushiki Kaisha, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2018.01); F21S 41/12 (2018.01); F21S 41/141 (2018.01); F21S 41/20 (2018.01); F21S 41/16 (2018.01); F21V 8/00 (2006.01); G02B 27/09 (2006.01); F21S 41/24 (2018.01); F21S 45/48 (2018.01); F21V 9/30 (2018.01); G02B 6/42 (2006.01); F21Y 115/30 (2016.01); F21W 102/00 (2018.01); H01S 5/00 (2006.01); H01S 5/022 (2006.01);
U.S. Cl.
CPC ...
F21V 9/00 (2013.01); F21S 41/12 (2018.01); F21S 41/141 (2018.01); F21S 41/16 (2018.01); F21S 41/24 (2018.01); F21S 41/285 (2018.01); F21S 45/48 (2018.01); F21V 9/30 (2018.02); G02B 6/0008 (2013.01); G02B 27/0927 (2013.01); G02B 27/0994 (2013.01); F21W 2102/00 (2018.01); F21Y 2115/30 (2016.08); G02B 6/0006 (2013.01); G02B 6/4207 (2013.01); H01S 5/005 (2013.01); H01S 5/02212 (2013.01);
Abstract
A headlamp includes a light-emitting section which emits fluorescence upon receiving excitation light from a laser element. Energy intensity distribution of the excitation light, which is received by the light-emitting section, is a top-hat distribution.