Hetero-cyclic compound and organic light emitting device using the same
US11812623B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jun 23, 2020 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Dec 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6574
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present application provides a hetero-cyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the hetero-cyclic compound in an organic material layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.