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Title:
COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2013/154076
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a composition for organic electroluminescent elements, which contains less foreign material. The present invention relates to a composition for organic electroluminescent elements, which is used for the purpose of forming at least one layer that is selected from the group consisting of a light emitting layer, a hole injection layer and a hole transport layer of an organic electroluminescent element. This composition for organic electroluminescent elements contains an aromatic amine polymer having a weight average molecular weight of 3,000-1,000,000 and an organic solvent, and the Zn concentration in the composition is less than 0.5 ppm.

Inventors:
MIZUKAMI JUNJI (JP)
SHIMIZU WATARU (JP)
TAKEMOTO HIROKI (JP)
Application Number:
PCT/JP2013/060654
Publication Date:
October 17, 2013
Filing Date:
April 08, 2013
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
H01L51/50; C08G65/40; G09F9/30; H01L27/32; H05B33/10
Domestic Patent References:
WO2010140187A12010-12-09
WO2000041443A12000-07-13
WO2005022962A12005-03-10
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See also references of EP 2838129A4
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
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