U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Luminescent device material, luminescent device using the same, and amine compound

Patent 6689491 Issued on February 10, 2004. Estimated Expiration Date: Icon_subject February 7, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material
Patent #: 4469768
Issued on: 09/04/1984
Inventor: Horie ,   et al.

Polycarbonate, method of preparing the same and electrophotographic photoreceptor produced by using the same Patent #: 5521041
Issued on: 05/28/1996
Inventor: Miyamoto, et al.

Inventors

Application

No. 499460 filed on 02/07/2000

US Classes:

428/690, Fluroescent, phosphorescent, or luminescent layer252/301.16, ORGANIC LUMINESCENT MATERIAL CONTAINING COMPOSITIONS313/504, Organic phosphor313/506, Plural layers428/704, Of B, N, P, S, or metal-containing material428/917ELECTROLUMINESCENT

Examiners

Primary: Jones, Deborah
Assistant: Xu, Ling

Attorney, Agent or Firm

Foreign Patent References

  • A-3-163189 JP. 07/13/1991
  • 06-017046 JP 01/13/1994
  • A-8-97465 JP. 04/13/1996
  • A-11-329728 JP. 11/13/1999

International Class

H05B 033/14

Foreign Application Priority Data

1999-02-08 JP

Abstract

An organic luminescent device material, comprising an amine compound represented by the following formula (I): ##STR1##wherein R1, R2 and R3, which are the same or different, each represents an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group or an unsubstituted or substituted aliphatic hydrocarbon group, provided that at least two among R1, R2 and R3 are each an unsubstituted or substituted aryl or heterocyclic group; or any two among R1, R2 and R3 combine with each other to complete a ring; provided that at least one among R1, R2 and R3 has a moiety represented by the following formula (II), ##STR2##wherein R4, R5 and R6 each represents a hydrogen atom or a substituent group, Z1 represents atoms forming a 5, 6 or 7-membered ring, and m represents 0, 1 or 2.

Other References

  • Translation of JP-89746
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