Invention Grant
![Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications](/docs/US/2023-08-29/US11744152B2/abs.jpg.600x600.jpg)
- Patent Title: Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications
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Application No.: US17108016Application Date: 2020-12-01
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Publication No.: US11744152B2Publication Date: 2023-08-29
- Inventor: Thomas Schaefer , Flavio Luiz Benedito , Ute Heinemeyer , Nicolle Langer , Heinz Wolleb , Teresa Marina Figueira Duarte , Soichi Watanabe , Christian Lennartz , Gerhard Wagenblast , Annemarie Wolleb , Kristina Bardon
- Applicant: UDC IRELAND LIMITED
- Applicant Address: IE Dublin
- Assignee: UDC IRELAND LIMITED
- Current Assignee: UDC IRELAND LIMITED
- Current Assignee Address: IE Dublin
- Agency: Riverside Law LLP
- Priority: EP 175635 2012.07.10 EP 184786 2012.09.18
- Main IPC: C07D487/04
- IPC: C07D487/04 ; C07D519/00 ; H10K85/60 ; C09K11/06 ; H05B33/00 ; H10K85/30 ; H10K99/00 ; G03G5/06 ; C09K11/02 ; H10K50/11 ; H10K50/15 ; H10K50/18 ; H10K101/10
![Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications](/abs-image/US/2023/08/29/US11744152B2/abs.jpg.150x150.jpg)
Abstract:
A compound of the general formula
a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.
a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.
Public/Granted literature
- US20210083200A1 Benzimidazo[1,2-a]Benzimidazole Derivatives for Electronic Applications Public/Granted day:2021-03-18
Information query
