Dimmable lighting apparatus
US11412589B2 · kind B2 · utility
1Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2021 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Jun 28, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/392
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a dimmable lighting apparatus, comprising a lamp body, and a driving circuit and a light emitting circuit in the lamp body. The driving circuit is configured to drive the light emitting circuit to emit light, and the driving circuit includes an input sub-circuit coupled to a mains and a dimming sub-circuit coupled to an external dimmer, the input sub-circuit, and the light emitting circuit. In particular, the input sub-circuit is grounded in a pre-stage manner, and the dimming sub-circuit is grounded in a post-stage manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.