Headlight device
US12391168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2021 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Sep 9, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2400/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.