Organic light emitting display device
US9755161B2 · kind B2 · utility
1Cited by
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9Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 22, 2015 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Apr 14, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light emitting display device is disclosed. The organic light emitting display device comprises an anode, an organic layer over the anode, and a cathode over the organic layer. The organic layer may include a heterocyclic compound. Alternatively, the organic layer may include a spirobisfluorene compound with hole transfer properties and a material with electron transfer properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.