Title:
複数のホスト材料及びこれを含む有機エレクトロルミネセンスデバイス
Document Type and Number:
Japanese Patent JP7340548
Kind Code:
B2
Abstract:
The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.
Inventors:
Kim, Binnari
Lee, Soo Hyun
Park, Hyosung
Han, Daecheong
Yang, Jung Eun
Cho, Sanhi
Moon, Tuhyun
Lee, Soo Hyun
Park, Hyosung
Han, Daecheong
Yang, Jung Eun
Cho, Sanhi
Moon, Tuhyun
Application Number:
JP2020571491A
Publication Date:
September 07, 2023
Filing Date:
May 13, 2019
Export Citation:
Assignee:
Rohm and Haas Electronic Materials Korea Limited
International Classes:
H10K50/12; C07D209/80; C07D403/04; C07D403/10; C07D405/10; C07D409/10; C07D413/04; C07D413/14; C07D417/04; C07D417/14; C07D471/04; C07D487/04; C07D487/14; C07D495/04; C09K11/06; H10K85/60
Domestic Patent References:
| JP2018514081A | ||||
| JP2007221097A | ||||
| JP2007200938A | ||||
| JP2007110102A |
Foreign References:
| WO2017030283A1 | ||||
| WO2015167259A1 |
Attorney, Agent or Firm:
Senda International Patent Office