Invention Grant
- Patent Title: Plurality of host materials and organic electroluminescent device comprising the same
-
Application No.: US15774288Application Date: 2016-11-01
-
Publication No.: US10454044B2Publication Date: 2019-10-22
- Inventor: Young-Mook Lim , Bitnari Kim
- Applicant: Rohm and Haas Electronic Materials Korea Ltd.
- Applicant Address: KR Cheonan
- Assignee: Rohm and Haas Electronic Materials Korea Ltd.
- Current Assignee: Rohm and Haas Electronic Materials Korea Ltd.
- Current Assignee Address: KR Cheonan
- Agent S. Matthew Cairns
- Priority: KR10-2015-0161209 20151117; KR10-2016-0120026 20160920
- International Application: PCT/KR2016/012455 WO 20161101
- International Announcement: WO2017/086629 WO 20170526
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D209/86 ; C07D403/10 ; C07D495/04 ; C07D491/048 ; C07D209/08 ; H01L51/50

Abstract:
The present disclosure relates to a host material and an organic electroluminescent device comprising the same. By using a specific combination of two or more host compounds according to the present disclosure, the organic electroluminescent device of the present disclosure has luminous efficiency at least equivalent to or higher than conventional devices and has lifespan better than conventional devices.
Public/Granted literature
- US20190074448A1 A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Public/Granted day:2019-03-07
Information query
IPC分类: