Heterocyclic compound and organic light-emitting device including the same
US11711978B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 16, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Jul 11, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/171
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light-emitting device includes a heterocyclic compound represented by Formula 1 In Formula 1, X is O or S, one selected from R1 to R8 is a group represented by Formula 2-1, and one selected from the remaining groups is a group represented by Formula 2-2, wherein, when X is O, one selected from R1, R2, R4, R5, R7, and R8 is a group represented by Formula 2-1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.