Material for luminescence element and luminescence element using the same
US6528187B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/256
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A material for a luminescence element is described, which is a compound having a partial structure represented by the following formula (I): wherein Q1 represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing aromatic heterocyclic ring; Q2 represents an atomic group necessary to form a 5- or 6-membered aromatic ring; X and Y each represents a carbon atom or a nitrogen atom; and Z represents SO2R1, COR2 or POR3 (R4) , wherein R1, R2, R3 and R4 each represents an aliphatic hydrocarbon group, an aryl group, a heterocyclic group, an amino group, an alkoxyl group, an aryloxy group or a heterocyclic oxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.