Lighting apparatus
US12317383B2 · kind B2 · utility
0Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2023 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Aug 1, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting apparatus includes a first light source, a second light source, a third light source, a driver, a first controller, a second controller and a main controller. The first light source emits a first light with a first color temperature. The second light source emits a second light with a second color temperature. The third light source emits a third light with a third color temperature. The driver generates a first driving current to the first light source, generates a second driving current to the second light source, and generates a third driving current to the third light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.