Title:
A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2020/045976
Kind Code:
A1
Abstract:
The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as a host material, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or improved lifespan characteristics compared to conventional organic electroluminescent devices.
Inventors:
KIM BITNARI (KR)
LEE SU-HYUN (KR)
JUNG SO-YOUNG (KR)
UM JI-WON (KR)
YANG JEONG-EUN (KR)
CHO SANG-HEE (KR)
LEE SU-HYUN (KR)
JUNG SO-YOUNG (KR)
UM JI-WON (KR)
YANG JEONG-EUN (KR)
CHO SANG-HEE (KR)
Application Number:
PCT/KR2019/010977
Publication Date:
March 05, 2020
Filing Date:
August 28, 2019
Export Citation:
Assignee:
ROHM & HAAS ELECT MATERIALS KOREA LTD (KR)
International Classes:
H01L51/00; H01L51/50
Domestic Patent References:
| WO2018151470A1 | 2018-08-23 | |||
| WO2018052244A1 | 2018-03-22 | |||
| WO2018056645A1 | 2018-03-29 | |||
| WO2017073942A1 | 2017-05-04 |
Foreign References:
| US20090286772A1 | 2009-11-19 |
Attorney, Agent or Firm:
CHANG, Hoon (KR)
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