Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same
US6808826B2 · kind B2 · utility
3Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2001 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Oct 10, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A blue electroluminescence compound for an electroluminescence display device comprising a spirobifluorene or triarylsilylphenyl group and a display device using such a blue electroluminescence compound, thereby improving a light emitting efficiency and brightness of the electroluminescence display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.