Qifeng ZHOU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display having improved wavelength dispersion charac...
- Patent number 9,785,011
- Issue date Oct 10, 2017
- Akron Polymer Systems
- Frank W. Harris
- G02 - OPTICS
Information Patent Grant
Optical compensation films with mesogen groups for liquid crystal d...
- Patent number 9,096,719
- Issue date Aug 4, 2015
- Akron Polymer Systems
- Dong Zhang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal display having improved wavelength dispersion charac...
- Patent number 8,821,994
- Issue date Sep 2, 2014
- Akron Polymer Systems
- Frank W. Harris
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
LIQUID CRYSTAL DISPLAY HAVING IMPROVED WAVELENGTH DISPERSION CHARAC...
- Publication number 20140211311
- Publication date Jul 31, 2014
- AKRON POLYMER SYSTEMS
- Frank W. HARRIS
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Optical compensation films with mesogen groups for liquid crystal d...
- Publication number 20080237552
- Publication date Oct 2, 2008
- Dong Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Liquid crystal display having improved wavelength dispersion charac...
- Publication number 20080241427
- Publication date Oct 2, 2008
- Frank W. Harris
- G02 - OPTICS