Patent · US Expired

Heterocyclic compound and light-emitting device using same

US6780529B2 · kind B2 · utility

8Cited by
1References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 15, 2002
Grant dateAug 24, 2004
Priority date
Expiry dateMar 15, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/917
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A light-emitting device comprising a pair of electrodes and one or more organic layers disposed therebetween, the one or more organic layers comprising a light-emitting layer, wherein at least one of the one or more organic layers comprises a compound represented by the following formula (I): wherein R11 represents a substituent; R12 represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group; R13 represents a hydrogen atom or a substituent; n represents an integer of 0 to 2; L represents a single bond or a linking group; and m represents an integer of 2 or more.

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