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:
Nov. 24, 2020
Filed:
Jan. 17, 2017
Applicant:
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
USHIO DENKI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 2/00 (2016.01); F21V 17/04 (2006.01); F21V 19/02 (2006.01); G03F 7/20 (2006.01); F21K 9/20 (2016.01); F21V 17/02 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21S 2/005 (2013.01); F21K 9/20 (2016.08); F21V 17/04 (2013.01); F21V 19/02 (2013.01); G03F 7/20 (2013.01); G03F 7/201 (2013.01); G03F 7/2008 (2013.01); G03F 7/7005 (2013.01); G03F 7/70141 (2013.01); F21V 17/02 (2013.01); F21Y 2115/10 (2016.08);
Abstract
The light source device of the present invention has a light source unit having a plurality of LED elements; a first optical system that collimates each of light emitted from the light source unit; and a second optical system that collects a plurality of light emitted from the first optical system. At least one of the light source unit and the first optical system is provided with an adjustment mechanism for adjusting a positional relationship between the light source unit and the first optical system relative to each other.