Title:
LUMINESCENT FILM, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC MATERIAL COMPOSITION AND METHOD FOR PRODUCING ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2018/097153
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a luminescent film which has excellent luminous efficiency, chromaticity and emission lifetime. A luminescent film according to the present invention contains a host compound, a blue phosphorescent compound and a blue fluorescent compound, and is characterized in that: the emission spectrum of the blue phosphorescent compound and the absorption spectrum of the blue fluorescent compound have portions overlapping with each other; the shortest wavelength-side maximum emission wavelengths of the blue phosphorescent compound and the blue fluorescent compound satisfy a specific relationship; and light emission derived from the blue fluorescent compound is detected.
Inventors:
TABATA KENICHI (JP)
NAKAMURA YUTA (JP)
NAMIKAWA TAKETO (JP)
INOUE SATORU (JP)
MIYATA YASUO (JP)
II HIROMOTO (JP)
NAKAMURA YUTA (JP)
NAMIKAWA TAKETO (JP)
INOUE SATORU (JP)
MIYATA YASUO (JP)
II HIROMOTO (JP)
Application Number:
PCT/JP2017/041918
Publication Date:
May 31, 2018
Filing Date:
November 22, 2017
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
H01L51/50; C09K11/06; H05B33/10
Domestic Patent References:
| WO2015091716A1 | 2015-06-25 | |||
| WO2007123006A1 | 2007-11-01 |
Foreign References:
| JP2009094124A | 2009-04-30 | |||
| JP2011071194A | 2011-04-07 | |||
| JP2005119148A | 2005-05-12 | |||
| JP2005116520A | 2005-04-28 | |||
| JP2003077674A | 2003-03-14 | |||
| JP2002050483A | 2002-02-15 | |||
| JP2003520391A | 2003-07-02 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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