Patent · US Expired

Triphenylamine derivative and organic electroluminescence device comprising the same

US6646164B2 · kind B2 · utility

10Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2002
Grant dateNov 11, 2003
Priority date
Expiry dateMay 17, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/103
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A triphenylamine derivative represented by the following general formula (1): wherein R1, R2, R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, alkyl group, halogenated alkyl group, aryl group, dialkylamino group or cyano group; and &phgr;1 and &phgr;2 may be the same or different and each represents an aromatic condensed ring which may have a substituent. Also disclosed is an electroluminescence device comprising the triphenylamine derivative.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.