Invention Grant
- Patent Title: Stable and efficient electroluminescent materials
- Patent Title (中): 稳定高效的电致发光材料
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Application No.: US12947027Application Date: 2010-11-16
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Publication No.: US08603645B2Publication Date: 2013-12-10
- Inventor: Raymond Kwong , David Knowles , Bin Ma , William Ceyrolles
- Applicant: Raymond Kwong , David Knowles , Bin Ma , William Ceyrolles
- Applicant Address: US NJ Ewing
- Assignee: Universal Display Corporation
- Current Assignee: Universal Display Corporation
- Current Assignee Address: US NJ Ewing
- Agency: Kenyon and Kenyon LLP
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06
Abstract:
An organic light emitting device is provided. The device has an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer may include a molecule of Formula I wherein an alkyl substituent at position R′5 results in high efficiency and operational stability in the organic light emitting device. Additionally or alternatively, the emissive layer may include a metal-ligand complex in which the ligand is an aryl or alkyl substituted phenylpyridine ligand.
Public/Granted literature
- US20110060143A1 Stable and Efficient Electroluminescent Materials Public/Granted day:2011-03-10
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