LED lamp
US10036516B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2016 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Feb 15, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses an LED lamp, which includes an LED light source module including at least one group of LED light source components, and further includes three drive circuits and a control circuit. The LED light source components include a first, a second, and a third LED light source. The first light source includes a first blue LED chip, a green phosphor is coated on the first blue LED chip. The second light source includes a second blue LED chip, a yellow phosphor is coated on the second blue LED chip. The third light source includes a third red LED chip. The control circuit determines drive currents of various LED light sources and drives the LED light sources through the drive circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.