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Title:
ORGANIC LIGHT EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/244503
Kind Code:
A1
Abstract:
This organic light emitting element comprises: a light emitting layer that contains a first organic compound (1), a second organic compound (2) that is a delayed fluorescent material, and a third organic compound (3); and an adjacent layer that is adjacent to the light emitting layer and contains the first organic compound (1). This organic light emitting element satisfies relational expression ES1 (1) > ES1 (2) > ES1 (3), and has a long emission lifetime and high luminous efficiency. In the relational expression, ES1 represents the lowest excited singlet energy.

Inventors:
YOSHIZAKI MAKOTO (JP)
ENDO AYATAKA (JP)
Application Number:
PCT/JP2022/015886
Publication Date:
November 24, 2022
Filing Date:
March 30, 2022
Export Citation:
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Assignee:
KYULUX INC (JP)
International Classes:
H01L51/50
Domestic Patent References:
WO2020039708A12020-02-27
WO2013154064A12013-10-17
WO2013011954A12013-01-24
WO2013011955A12013-01-24
WO2013081088A12013-06-06
WO2013133359A12013-09-12
WO2013161437A12013-10-31
WO2018047853A12018-03-15
WO2014034535A12014-03-06
WO2014115743A12014-07-31
WO2014122895A12014-08-14
WO2014126200A12014-08-21
WO2014136758A12014-09-12
WO2014133121A12014-09-04
WO2014136860A12014-09-12
WO2014196585A12014-12-11
WO2014189122A12014-11-27
WO2014168101A12014-10-16
WO2015008580A12015-01-22
WO2014203840A12014-12-24
WO2015002213A12015-01-08
WO2015016200A12015-02-05
WO2015019725A12015-02-12
WO2015072470A12015-05-21
WO2015108049A12015-07-23
WO2015080182A12015-06-04
WO2015072537A12015-05-21
WO2015080183A12015-06-04
WO2015129714A12015-09-03
WO2015129715A12015-09-03
WO2015133501A12015-09-11
WO2015136880A12015-09-17
WO2015137244A12015-09-17
WO2015137202A12015-09-17
WO2015137136A12015-09-17
WO2015146541A12015-10-01
WO2015159541A12015-10-22
WO2015022974A12015-02-19
Foreign References:
JP2020158425A2020-10-01
JP2020174072A2020-10-22
JP5669163B12015-02-12
JP2013256490A2013-12-26
JP2013116975A2013-06-13
JP2014009352A2014-01-20
JP2014009224A2014-01-20
JP2017119663A2017-07-06
JP2017119664A2017-07-06
JP2017222623A2017-12-21
JP2017226838A2017-12-28
JP2018100411A2018-06-28
JP2013253121A2013-12-19
JP2015129240A2015-07-16
Other References:
H. UOYAMA ET AL., NATURE, vol. 492, 2012, pages 234
HAMAMATSU PHOTONICS K.K., PMA-12 MULTICHANNEL SPECTROSCOPE C, vol. 1, pages 0027 - 01
HANSCH, C., CHEM. REV., vol. 91, 1991, pages 165 - 195
APPL. PHYS. LET, vol. 98, 2011, pages 083302
Attorney, Agent or Firm:
SIKS & CO. (JP)
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