Organic electroluminescent materials and devices
US11289659B2 · kind B2 · utility
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32References
20Claims
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Key dates
| Filing date | Dec 22, 2016 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Dec 1, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/27
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel electroluminescent devices containing bicarbazole triazine compounds as emissive dopants are described. Devices incorporating this class of compounds exhibit delayed fluorescence characteristics that showed EQE's far exceeding the theoretical limit for a conventional fluorescent device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.