Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same
US9991445B2 · kind B2 · utility
1Cited by
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19Claims
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Key dates
| Filing date | May 29, 2014 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Aug 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
Abstract
A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.