Method of driving LED chips of different specifications
US9078322B2 · kind B2 · utility
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Key dates
| Filing date | Mar 11, 2014 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Mar 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/39
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of driving LED chips, wherein the LED chips have different specifications, includes the steps of: A. defining a plurality of setting currents; B. connecting a LED chip; C. selecting one of the setting currents which matches a rated current of the LED chip; and D. providing power with the selected setting current to the LED chip. Whereby, the method could be applied to drive LED chips of several different specifications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.