Electronic device for skin management or skin treatments
US11213694B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Dec 26, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jan 22, 2040 |
Classification
- Technology area (CPC —)General
Abstract
An electronic device for skin management or skin treatments including an active area including a light emission area and a non-light emission area comprises a plurality of organic light emitting devices disposed in the light emission area and emitting same color light; and first to third wavelength converting layers overlapping the light emission area and a part of the non-light emission area, wherein light emitted from the plurality of organic light emitting devices is extracted to outside the electronic device through the first to third wavelength converting layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.