Invention Grant
- Patent Title: 9 membered ring carbazole compounds
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Application No.: US16378559Application Date: 2019-04-08
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Publication No.: US11038121B2Publication Date: 2021-06-15
- Inventor: Chuanjun Xia
- Applicant: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
- Applicant Address: CN Beijing
- Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
- Current Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Beijing
- Agency: Alston & Bird LLP
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D487/04 ; C07D495/04 ; H01L51/50
Abstract:
Novel 9 membered ring carbazole compounds are disclosed, which can be used as host materials etc. in an electroluminescent device. Compared with the existing host materials etc., these novel compounds can effectively modulate the charge transporting properties in the above materials and give OLEDs better performance. Also disclosed are an electroluminescent device and a formulation.
Public/Granted literature
- US20190312214A1 9 MEMBERED RING CARBAZOLE COMPOUNDS Public/Granted day:2019-10-10
Information query
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