Organic Electroluminescent materials and devices
US9386657B2 · kind B2 · utility
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32References
24Claims
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Key dates
| Filing date | Mar 15, 2012 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Mar 6, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel tricarbazole compounds are provided. By appropriately selecting the nature of the tricarbazole substituents, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.