Benzocarbazole-based compound and organic light-emitting device comprising same
US11581496B2 · kind B2 · utility
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Key dates
| Filing date | Mar 27, 2018 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Jun 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present specification provides a benzocarbazole-based compound of chemical formula 1 and an organic light-emitting device comprising same. The benzocarbazole-based compound as a material of an organic material layer of the organic light emitting device provides enhanced efficiency, low driving voltage and increased lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.