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:
Aug. 19, 2025
Filed:
May. 12, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
Masashige Suwa, Tokyo, JP;
Keisuke Igarashi, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION., Tokyo, JP;
Abstract
A headlight device is a headlight device for a vehicle, including a light source unit to include a plurality of light-emitting units respectively emitting light having spectral distributions different from each other and to emit illuminating light having a combined spectral distribution as a combination of the spectral distributions of the plurality of light-emitting units, an acquisition unit to acquire environment information indicating a surrounding environment around an illumination region formed by the headlight device, and a control unit to control the spectral distributions of the plurality of light-emitting units based on the environment information acquired by the acquisition unit.