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Patent Searching and Data


Title:
CHARGE-TRANSPORTING VARNISH
Document Type and Number:
WIPO Patent Application WO/2015/146957
Kind Code:
A1
Abstract:
This charge-transporting varnish includes: a fluorine-containing charge-transporting substance; a non-fluorine-containing charge-transporting substance; a dopant substance comprising a heteropoly acid; and an organic solvent. The fluorine-containing charge-transporting substance is a polymer which has a weight average molecular weight of 500-200,000, and which is obtained by condensing: at least one compound selected from triarylamine compounds and tetraarylbenzidine compounds; a tetraarylbenzidine compound having at least one aryl group substituted with an alkoxy group which may include ether bonds; a fluorine-containing aryl aldehyde compound; and a fluorene derivative having a carbonyl group. The non-fluorine-containing charge-transporting substance is an oligoaniline compound. The charge-transporting varnish provides a thin film with which an organic electroluminescent element exhibiting excellent luminance characteristics can be achieved, even in cases when employed as a single layer in a state of being provided between and in contact with a positive electrode and a light-emission layer.

Inventors:
OTANI NAOKI (JP)
OTA HIROFUMI (JP)
Application Number:
PCT/JP2015/058849
Publication Date:
October 01, 2015
Filing Date:
March 24, 2015
Export Citation:
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Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
C09D161/00; C08K3/24; C08L61/20; C08L79/00; C09D5/22; C09D7/12; C09K11/06; H01B1/06; H01L51/50; H05B33/10
Domestic Patent References:
WO2010058777A12010-05-27
Foreign References:
JP2002025779A2002-01-25
JP2007208102A2007-08-16
JP2008016827A2008-01-24
JP2010225950A2010-10-07
JPH07126615A1995-05-16
JP2002075644A2002-03-15
Other References:
See also references of EP 3124563A4
Attorney, Agent or Firm:
KOJIMA Takashi et al. (JP)
Takashi Kojima (JP)
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