Invention Grant
- Patent Title: Organic electroluminescent materials and devices
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Application No.: US16039473Application Date: 2018-07-19
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Publication No.: US11723269B2Publication Date: 2023-08-08
- Inventor: Bin Ma , Alan Deangelis , Vadim Adamovich
- 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: H01L51/00
- IPC: H01L51/00 ; H10K85/60 ; C07D519/00 ; H10K50/12 ; H10K99/00 ; H10K50/11 ; H10K50/15 ; H10K50/16 ; H10K50/18 ; H10K101/10 ; H10K101/00
Abstract:
A compound useful as a host material in phosphorescent light emitting devices is disclosed. The compound has the following formula:
in which R represents an adjacent di-substitution having the following formula fused to ring A:
in which R represents an adjacent di-substitution having the following formula fused to ring A:
Public/Granted literature
- US20190067596A1 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Public/Granted day:2019-02-28
Information query
IPC分类:
