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:
Mar. 05, 2024
Filed:
Sep. 14, 2022
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Yoshio Okamoto, Yokohama, JP;
Hiroshi Miyairi, Yokohama, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/00 (2006.01); F21V 5/00 (2018.01); F21V 7/05 (2006.01); F21V 13/04 (2006.01); G02B 30/00 (2020.01);
U.S. Cl.
CPC ...
F21V 7/0025 (2013.01); F21V 5/008 (2013.01); F21V 7/05 (2013.01); F21V 13/04 (2013.01); G02B 30/00 (2020.01);
Abstract
A lighting device that includes a light source, a first optical element configured to convert light emitted from the light source into substantially parallel light, and a plurality of second optical elements arranged in a first direction. Each of the plurality of second optical elements has a light incident surface. Each of the plurality of second optical elements guides at least a portion of the substantially parallel light incident on the light incident surface in a second direction intersecting the first direction and guides another portion in the first direction.