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:
Oct. 08, 2024
Filed:
Sep. 29, 2023
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Tsuyoshi Okahisa, Tokushima, JP;
Shintaro Noma, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/08 (2010.01); H01L 33/50 (2010.01); H01L 33/58 (2010.01); H01L 33/38 (2010.01);
U.S. Cl.
CPC ...
H01L 33/08 (2013.01); H01L 33/507 (2013.01); H01L 33/58 (2013.01); H01L 33/387 (2013.01);
Abstract
A light source device includes a substrate, a light source, a liquid crystal shutter, and a lens. The light source is supported by the substrate. The light source includes a plurality of light emission units two-dimensionally arranged. The liquid crystal shutter is disposed on the light source. The lens is disposed on the liquid crystal shutter. The liquid crystal shutter is configured to perform independent ON/OFF control in two or more regions corresponding to at least one of the light emission units.