Invention Grant
- Patent Title: Organic electroluminescent materials and devices
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Application No.: US15285638Application Date: 2016-10-05
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Publication No.: US10991895B2Publication Date: 2021-04-27
- Inventor: Raymond Kwong , Kit Yee Tsang , Siu Tung Lam , Chi Hang Lee , Sze Kui Lam
- 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: H01L51/50
- IPC: H01L51/50 ; H01L51/54 ; H01L51/00 ; C09K11/06 ; C09K11/02 ; C07F15/00
Abstract:
Ir phenyl parazolepyrazole complexes substituted with one or more strong electron withdrawing groups such as cyano groups resulted in enhancing the metal to ligand charge transfer (MLCT) which in turn resulted in enhanced emission efficiency and red shifted emission.
Public/Granted literature
- US20170098790A1 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Public/Granted day:2017-04-06
Information query
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