Invention Grant
- Patent Title: Phosphorescent materials
- Patent Title (中): 磷光材料
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Application No.: US12868350Application Date: 2010-08-25
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Publication No.: US09175211B2Publication Date: 2015-11-03
- Inventor: Chuanjun Xia , Bert Alleyne , Nasrin Ansari
- Applicant: Chuanjun Xia , Bert Alleyne , Nasrin Ansari
- 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: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; H01L51/00 ; H01L51/50 ; C07F15/00 ; H05B33/14
Abstract:
Compounds comprising a 2-phenylpyridine ligand further substituted with a heterocyclic group are provided. In particular, the compound comprises a 2-phenylpyridine ligand further substituted with a nitrogen-containing heterocycle. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and lifetime.
Public/Granted literature
- US20110215710A1 PHOSPHORESCENT MATERIALS Public/Granted day:2011-09-08
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