Optoelectronic circuit comprising light-emitting diodes
US10064250B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2017 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Mar 24, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an optoelectronic circuit intended to receive, between a first node and a second node, a variable voltage, the optoelectronic circuit including: a plurality of light-emitting diodes series-assembled between the first node and a third node; a first current limitation/regulation circuit assembled between the third node and the second node; a switching circuit coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor including first and second plates; a first diode having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.