Organic light-emitting device
US11302873B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Aug 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/19
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present application provides a hetero-cyclic compound capable of greatly enhancing a lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.