Organic luminescent device material, organic luminescent device using the same, and tetraarylmethane compound
US6444333B1 · kind B1 · utility
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6References
6Claims
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Key dates
| Filing date | Oct 12, 1999 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Oct 12, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
Abstract
An organic luminescent device material which is a compound represented by the following formula (I):Formula (I) wherein V, W, X and Y each represents L1—NR1R2, wherein R1 and Rz each represents an aliphatic hydrocarbon group, an aryl group or a heterocyclic group, R1 and R2 may be combined directly or indirectly to form a ring, and L1 represents a divalent linking group containing an aryl group and/or an aromatic heterocyclic group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.