Invention Grant
- Patent Title: Organic electroluminescent materials and devices
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Application No.: US15915199Application Date: 2018-03-08
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Publication No.: US11316113B2Publication Date: 2022-04-26
- Inventor: Chuanjun Xia , Raymond Kwong , Ken-Tsung Wong , Ming-Cheng Kuo
- Applicant: UNIVERSAL DISPLAY CORPORATION
- Applicant Address: US NJ Ewing
- Assignee: UNIVERSAL DISPLAY CORPORATION
- Current Assignee: UNIVERSAL DISPLAY CORPORATION
- Current Assignee Address: US NJ Ewing
- Agency: Duane Morris LLP
- Main IPC: C07D401/14
- IPC: C07D401/14 ; C07D403/14 ; C07D405/14 ; C07D409/14 ; H01L51/54 ; H01L51/00 ; H01L51/50
Abstract:
Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3′-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
Public/Granted literature
- US20190081246A1 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Public/Granted day:2019-03-14
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