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:
Jul. 08, 2025
Filed:
Jun. 12, 2024
Nichia Corporation, Anan, JP;
Norimasa Yoshida, Komatsushima, JP;
Tsuyoshi Okahisa, Tokushima, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A light source device includes: a plurality of light-emitting units, each including a light-emitting surface; an optical member configured to allow light emitted from the light-emitting units to be transmitted or passed therethrough, the optical member including: one or a plurality of first regions from which light of a first chromaticity is extracted upon operation of the light-emitting units, and one or a plurality of second regions from which light of a second chromaticity different from the first chromaticity is extracted upon operation of the light-emitting units; a first movement assembly configured to cause a relative movement between the plurality of light-emitting units and the optical member so that the light-emitting surface and the optical member face one another; and a control unit configured to: control light emission of each of the plurality of light-emitting units, and control operation of the first movement assembly.