Red fluorescent material and organic electroluminescent device containing same
US6821651B2 · kind B2 · utility
0Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | May 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel red fluorescent material of formula (I) of the present invention has an improved thermostability, and an organic electroluminescent device containing the fluorescent material of formula (I) can provide color ranging from orange to deep red.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.