Organic electroluminescent materials and devices
US11716902B2 · kind B2 · utility
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31References
20Claims
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Key dates
| Filing date | Nov 4, 2020 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Aug 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/11
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Devices containing novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds can exhibit delayed fluorescence in the devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.