Organic light-emitting device comprising emission layer satisfying specific singlet excitation energy level conditions
US11925115B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Oct 27, 2022 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Jan 15, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an organic light-emitting device including an emission layer that includes a compound satisfying conditions 5′ and 6 below: 0 eV<ΔEST2≤0.1 eV Condition 1:ΔEST>0.2 eV Condition 6:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.