Heterocyclic compound and organic light emitting device comprising same
US11746117B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Nov 14, 2019 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Oct 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A heterocyclic compound represented by Chemical Formula 1 or 2, and an organic light emitting device including the same, and the heterocyclic compound which is used as a material of an organic material layer of the organic light emitting device and provides improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.