Title:
Electric charge transportability varnish
Document Type and Number:
Japanese Patent JP6182884
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a charge-transporting varnish in which a charge-transporting material including a charge-transporting compound and an electron-acceptive material, is improved in dissolubility, and which can provide a thin film having high flatness and excellent electron transporting properties.SOLUTION: A charge-transporting varnish contains: an amine compound represented by formula (1) where Ais a hydrogen atom, Aand Aare each independently an alkyl group having 1 to 20 carbon atoms, or the like; a charge-transporting compound having a structure with two or more of same or different bivalent organic groups selected from formulae (2) to (4) and a molecular weight of 300 to 5,000; an electron-acceptive material; and an organic solvent. In the formulae (2), (3) and (4), Xis -NY- or the like, Xis -NY- or the like, Xis -NY- or the like, Yto Yare each independently a hydrogen atom or the like, and Rto Rare each independently a hydrogen atom, a halogen atom, or the like.
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Inventors:
Kayo Takeda
Application Number:
JP2013020224A
Publication Date:
August 23, 2017
Filing Date:
February 05, 2013
Export Citation:
Assignee:
Nissan Chemical Industry Co., Ltd.
International Classes:
C09D179/02; C09D5/24; C09D7/12; H01L51/50
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Attorney, Agent or Firm:
Patent business corporation Tsukuni