Invention Publication
- Patent Title: HETEROLEPTIC IRIDIUM COMPLEXES AS DOPANTS
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Application No.: US18544991Application Date: 2023-12-19
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Publication No.: US20240138251A1Publication Date: 2024-04-25
- Inventor: Gregg KOTTAS , Nasrin Ansari , Zeinab Elshenawy , Alan DeAngelis , Chuanjun Xia
- Applicant: Universal Display Corporation
- Applicant Address: US NJ Ewing
- Assignee: Universal Display Corporation
- Current Assignee: Universal Display Corporation
- Current Assignee Address: US NJ Ewing
- Main IPC: H10K85/30
- IPC: H10K85/30 ; C07F15/00 ; C09K11/02 ; C09K11/06 ; H05B33/14 ; H10K50/00 ; H10K85/60
Abstract:
Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.
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