Power device and method for controlling output current of the same
US10028341B2 · kind B2 · utility
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1References
12Claims
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Assignee
Inventor
Key dates
| Filing date | Nov 28, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/375
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power device includes a converter configured to convert an input voltage and operate a light emitting diode (LED) array, a current detector configured to detect an output current flowing through the LED array, and a controller configured to compare the output current with a reference value and control the output current, wherein the controller includes a reference value varying circuit configured to vary the reference value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.