Invention Grant
- Patent Title: Organic electroluminescent devices comprising host compounds
-
Application No.: US16346593Application Date: 2017-11-02
-
Publication No.: US11380850B2Publication Date: 2022-07-05
- Inventor: Angela Digennaro
- Applicant: CYNORA GMBH
- Applicant Address: DE Bruchsal
- Assignee: CYNORA GMBH
- Current Assignee: CYNORA GMBH
- Current Assignee Address: DE Bruchsal
- Agency: J.A. Lindeman & Co. PLLC
- Priority: DE102016221628.7 20161104
- International Application: PCT/EP2017/078041 WO 20171102
- International Announcement: WO2018/083169 WO 20180511
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C09K11/06 ; H01L51/50
Abstract:
The present invention relates to an organic electroluminescent device comprising a light-emitting layer B containing at least one host compound H of formula (I) wherein not more than two of the residues A1, A2, A3 and A4 are each N, X is O or S, and X′ is NRe, O or S. Further, the present invention refers to a method for generating light of a desired wavelength range by means of an organic electroluminescent device according to the present invention to which an electrical current is applied.
Public/Granted literature
- US20190259958A1 ORGANIC ELECTROLUMINESCENT DEVICES COMPRISING HOST COMPOUNDS Public/Granted day:2019-08-22
Information query
IPC分类:
