Light-emitting material for organic electroluminescence device, and organic electroluminescence device for which the light-emitting material is adapted
US6251531A · kind A · utility
52Cited by
4References
10Claims
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Key dates
| Filing date | Feb 26, 1998 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Feb 26, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A light-emitting material of the following general formula [1] for an organic electroluminescence device, ##STR1## wherein each of A.sup.1 to A.sup.4 is a substituted or unsubstituted aryl group having 6 to 16 carbon atoms, and each of R.sup.1 to R.sup.8 is independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group or a substituted or unsubstituted amino group, provided that adjacent substituents may form an aryl ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.