Stable organic light emitting coating
US11753551B2 · kind B2 · utility
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10Claims
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Assignee
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Key dates
| Filing date | Jan 2, 2019 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2211/1018
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a stable white light emitting diode (WLED) coating, composed of biological and organic materials and free of rare earth elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.