Red color emitting compounds for organic electroluminescent device and an organic electroluminescent device using them
US7261952B2 · kind B2 · utility
3Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2003 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Aug 27, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to red color emitting compounds for an organic electroluminescent device (OELD), particularly to red color emitting compounds represented by the following formula (1) having high luminescence efficiency and enhanced thermal-stability:R1—CH═CH—X—CH═CH—R2
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.