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Title:
A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2017/183859
Kind Code:
A1
Abstract:
The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present disclosure can have improved lifespan properties, by comprising a plurality of host compounds in a specific combination.

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Inventors:
KIM BITNARI (KR)
KANG HEE-RYONG (KR)
LEE TAE-JIN (KR)
CHO SANG-HEE (KR)
Application Number:
PCT/KR2017/004034
Publication Date:
October 26, 2017
Filing Date:
April 14, 2017
Export Citation:
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Assignee:
ROHM & HAAS ELECT MATERIALS KOREA LTD (KR)
International Classes:
H01L51/54; C07D209/82; C07D209/86; C07D401/10; C07D401/14; C09K11/06; H01L27/32
Domestic Patent References:
WO2016204394A12016-12-22
WO2016148390A12016-09-22
WO2016204394A12016-12-22
Foreign References:
US20150364696A12015-12-17
US20150325798A12015-11-12
KR20130106255A2013-09-27
US20150364696A12015-12-17
KR20130106255A2013-09-27
KR20150129928A2015-11-23
KR20130084960A2013-07-26
KR20160099471A2016-08-22
KR20150135109A2015-12-02
KR101603070B12016-03-14
KR101477613B12014-12-30
KR20150077513A2015-07-08
KR101511072B12015-04-10
KR101531904B12015-06-29
Other References:
EASTMAN KODAK: "using small aromatic diamine molecules and aluminum complexes as materials for forming a light-emitting layer", APPL. PHYS. LETT., vol. 51, 1987, pages 913
See also references of EP 3446345A4
Attorney, Agent or Firm:
CHANG, Hoon (KR)
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