Invention Grant
- Patent Title: Light-emitting device containing bis-phosphineoxide compound
- Patent Title (中): 含有二氧化膦化合物的发光元件
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Application No.: US11141092Application Date: 2005-05-31
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Publication No.: US07419728B2Publication Date: 2008-09-02
- Inventor: Xiaofan Ren , David J. Giesen
- Applicant: Xiaofan Ren , David J. Giesen
- Applicant Address: US NY Rochester
- Assignee: Eastman Kodak Company
- Current Assignee: Eastman Kodak Company
- Current Assignee Address: US NY Rochester
- Agent Arthur E. Kluegel
- Main IPC: H01L51/54
- IPC: H01L51/54
Abstract:
An OLED device comprises an anode and a cathode and having therebetween a light emitting layer containing an emissive material, wherein a layer between the anode and cathode contains a phosphineoxide compound bearing two or more tri(hetero)arylphosphineoxide groups, provided these groups are selected to give a compound with a Et≧2.65 eV.
Public/Granted literature
- US20060269784A1 Light-emitting device containing bis-phosphineoxide compound Public/Granted day:2006-11-30
Information query
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