Invention Grant
- Patent Title: Electron impeding layer for high efficiency phosphorescent OLEDs
- Patent Title (中): 用于高效磷光OLED的电子阻挡层
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Application No.: US11242025Application Date: 2005-10-04
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Publication No.: US08148891B2Publication Date: 2012-04-03
- Inventor: Yeh Tung , Brian W. D'Andrade , Michael S. Weaver , James Esler
- Applicant: Yeh Tung , Brian W. D'Andrade , Michael S. Weaver , James Esler
- Applicant Address: US NJ Ewing
- Assignee: Universal Display Corporation
- Current Assignee: Universal Display Corporation
- Current Assignee Address: US NJ Ewing
- Agency: Kenyon & Kenyon LLP
- Main IPC: H05B33/14
- IPC: H05B33/14 ; B32B9/00 ; B32B19/00
Abstract:
The present invention relates to OLEDs comprising an electron impeding layer between the cathode and the emissive layer. An organic light emitting device, comprising: an anode; a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; an electron transport layer; and a cathode disposed, in that order, over a substrate.
Public/Granted literature
- US20070075631A1 Electron impeding layer for high efficiency phosphorescent OLEDs Public/Granted day:2007-04-05
Information query
