Organic electroluminescent device
US6730929B2 · kind B2 · utility
9Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2000 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | May 20, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescent device comprises a pair of electrodes and a layer structure provided between the paired electrodes and including, at least, an emission layer comprising a specific type of oligomer. The layer structure may further comprise an electron injection layer and an electron transport layer, one of which comprises a specific type of oligomer. Alternatively, the layer structure may be of the type which comprises an organic layer having a charge transport interference layer in the inside thereof along with an emission layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.