Organic electrolluminescent device
US5716722A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Jan 19, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In an organic electroluminescent device according to the present invention, at least a carrier transporting layer and a luminescent layer which use an organic material are provided between a hole injection electrode and an electron injection electrode, and at least one of a compound having a pyrimidine ring as its center skeleton and a compound having a triazine ring as its center skeleton is used for a hole transporting material in a hole transporting layer in the carrier transporting layer and the organic material in the luminescent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.