Organometallic luminescent materials and organic electroluminescent device containing same
US6800380B2 · kind B2 · utility
5Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Jan 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organometallic luminescent material comprising the compound of formula (I) of the present invention can emit pure blue light and have high thermal stability: wherein,M1 is a monovalent or tetravalent metal selected from the group consisting of Li, Na, K, Zr, Si, Ti, Sn, Cs, Fr, Rb, Hf, Pr, Pa, Ge, Pb, Tm and Md;R is hydrogen or C1-10 alkyl;B is O, S, Se or Te;D is O or S; andn is an integer ranging from 1 to 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.