Ortho-substituted thermally activated delayed fluorescence material and organic light-emitting device comprising same
US11758808B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 25, 2015 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Feb 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A thermally activated delayed fluorescent (TADF) material is provided. The TADF material has a form in which an electron donating group and an electron withdrawing group are connected to benzene and the electron withdrawing group is position in an ortho position to the electron donating group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.