INK-JET PRINTING INK FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND PROCESS FOR PRODUCTION OF ORGANIC ELECTROLUMINESCENT ELEMENT

Title:

INK-JET PRINTING INK FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND PROCESS FOR PRODUCTION OF ORGANIC ELECTROLUMINESCENT ELEMENT

Document Type and Number:

WIPO Patent Application WO/2010/084897

Kind Code:

A1

Abstract:

Provided is an ink-jet printing ink for an organic EL element. When ejected, the ink can form droplets without ligaments, while when adheres to a substrate, the ink can well wet a substrate and spread thereon. The ink-jet printing ink comprises water, a surfactant, and a water-soluble high-molecular material, and exhibits a static surface tension of 40mN/m or below, and a dynamic surface tension of 55mN/m or above at 100Hz as determined by a maximum bubble pressure method.

Inventors:

KAWANISHI YUTAKA (JP)

Application Number:

PCT/JP2010/050670

Publication Date:

July 29, 2010

Filing Date:

January 21, 2010

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)
KAWANISHI YUTAKA (JP)

International Classes:

H05B33/10; B41M5/00; C09D11/00; C09D11/322; C09D11/326; C09D11/328; C09D11/38; H01L51/50

Domestic Patent References:

WO2007045198A2

2007-04-26

Foreign References:

JP2008001003A	2008-01-10
JP2004115708A	2004-04-15
JP2004115649A	2004-04-15
JP2003238851A	2003-08-27
JP2007056239A	2007-03-08
JPH1012377A	1998-01-16
JP2006284752A	2006-10-19
JP2008070864A	2008-03-27

Other References: