CHARGE-TRANSPORTING VARNISH - NISSAN CHEMICAL IND LTD

Title:

CHARGE-TRANSPORTING VARNISH

Document Type and Number:

WIPO Patent Application WO/2013/042623

Kind Code:

A1

Abstract:

This charge-transporting varnish, which contains a solvent, an electron-accepting dopant substance, and an aryldiamine compound represented by formula (1), imparts a charge-transporting thin film that has high transparency and can evince favorable element characteristics when applied to an organic EL element. (In the formula: R1-R4 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a thiol group, a phosphate group, a sulfone group, a carboxyl group, an alkoxy group having 1-20 carbon atoms, or the like; R5-R8 each independently represent a hydrogen atom, a phenyl group, a naphthyl group, a pyridyl group, a pyrimidinyl group, a pyridazinyl group, a pyrazinyl group, a furanyl group, a pyrrolyl group, a pyrazolyl group, an imidazolyl group, a thienyl group, or the like; and n represents an integer from 2 to 5.)

Inventors:

NAKAIE NAOKI (JP)
HIROI YOSHIOMI (JP)
HOSHINO MINORU (JP)

Application Number:

PCT/JP2012/073602

Publication Date:

March 28, 2013

Filing Date:

September 14, 2012

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NISSAN CHEMICAL IND LTD (JP)
NAKAIE NAOKI (JP)
HIROI YOSHIOMI (JP)
HOSHINO MINORU (JP)

International Classes:

C09D5/00; C09D5/24; C09D7/63; C09D201/00; H01L51/50

Domestic Patent References:

WO2010058777A1	2010-05-27
WO2008032616A1	2008-03-20
WO2005000832A1	2005-01-06
WO2006025342A1	2006-03-09

Foreign References:

JP2010225950A	2010-10-07
JP2010229280A	2010-10-14
JPH1088123A	1998-04-07
JPH02195681A	1990-08-02
JP2002151272A	2002-05-24
JPH1088123A	1998-04-07
JP2005108828A	2005-04-21

Other References: