重合体 - 株式会社リコー

Title:

重合体

Document Type and Number:

Japanese Patent JP5062945

Kind Code:

B2

Abstract:

To obtain a new arylamine polymer which has excellent emission characteristics and durability, and is useful as a polymer material for an organic EL element, and is a charge transportabile polymer material for an organic transistor.

This polymer comprises a repeating unit represented by formula (1) (wherein Ar1is a substituted or unsubstituted aromatic hydrocarbon group; Ar2and Ar3are each independently a divalent substituted or unsubstituted aromatic hydrocarbon group; and Ar4is a divalent substituted or unsubstituted benzene, thiophene, biphenyl, fluorene, or anthracene group).

Inventors:

Toshiya Smell
Masaomi Sasaki
Torii Masashi
Shinichi Kawamura
Takashi Okada

Application Number:

JP2004174088A

Publication Date:

October 31, 2012

Filing Date:

June 11, 2004

Export Citation:

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Assignee:

株式会社リコー

International Classes:

C08G61/12; H01L51/50; C09K11/06; H01L51/00; H01L51/05; H05B33/14; H01L51/30

Domestic Patent References:

JP2002515078A
JP945478A
JP2005101493A

Attorney, Agent or Firm:

Tadahiko Ito

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