LED device, LED driver, and driving method
US10165649B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 30, 2016 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Mar 30, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED device comprises a substrate and a stack of layers defining an LED component and including an electroluminescent layer. A capacitive structure is formed on top of the stack of layers. The area of the defined capacitor encodes information concerning the electrical characteristics of the LED component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.