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Title:
ORGANIC ELECTROLUMINESCENCE ELEMENT, ILLUMINATION DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/092014
Kind Code:
A1
Abstract:
This organic electroluminescence element comprises a positive electrode, a negative electrode and a light-emitting layer, wherein the reorganization energy at the time of electron transition between the ground state (S0) and the lowest excited triplet state (T1) of a light-emitting dopant contained in the light-emitting layer is 0eV-0.7eV, and the reorganization energy at the time of electron transfer reaction between the ground state (S0) and the anion radical (AR) of a host compound contained in the light-emitting layer is 0eV-0.3eV, the molecular weight of the host compound being in the range 500-3000.

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Inventors:
OSHIYAMA TOMOHIRO (JP)
OTSU SHINYA (JP)
KATAKURA RIE (JP)
INOUE SATORU (JP)
Application Number:
PCT/JP2013/082802
Publication Date:
June 19, 2014
Filing Date:
December 06, 2013
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
H01L51/50; C09K11/06; G09F9/30; H01L27/32
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See also references of EP 2930763A4
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Mitsuaki international patent firm (JP)
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