Wang Liduo

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescence device
- Patent number 7,786,471
- Issue date Aug 31, 2010
- Tsinghua University
- Yong Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electron injection layer material for organic electroluminescence d...
- Patent number 7,501,755
- Issue date Mar 10, 2009
- Tsinghua University
- Yong Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic light-emitting devices and their encapsulation method and a...
- Patent number 7,317,280
- Issue date Jan 8, 2008
- Tsinghua University
- Yong Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbazole derivative and its use in electroluminescent devices
- Patent number 7,227,027
- Issue date Jun 5, 2007
- Tsinghua University
- Yong Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Organic light-emitting devices
- Patent number 6,806,491
- Issue date Oct 19, 2004
- Tsinghua University
- Yong Qiu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Organic electroluminescence device
- Publication number 20060232192
- Publication date Oct 19, 2006
- Tsinghua University
- Yong Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Carbazole derivative and its use in electroluminescent devices
- Publication number 20050127826
- Publication date Jun 16, 2005
- Yong Qiu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic light-emitting devices and their encapsulation method and a...
- Publication number 20040160178
- Publication date Aug 19, 2004
- Yong Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic light-emitting devices
- Publication number 20030197465
- Publication date Oct 23, 2003
- Yong Qiu
- H01 - BASIC ELECTRIC ELEMENTS