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Class Information
Number: 349/76
Name: Liquid crystal cells, elements and systems > Particular structure > Interconnection of plural cells in series > For compensation of birefringence effects > Of twisted (or chiral) nematic or supertwisted nematic liquid crystal
Description: Subject matter wherein the cell having birefringence and needing compensation contains nematic liquid crystal having a nonzero twist angle.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8704976 Liquid crystal display device and control method for a bistable nematic liquid crystal display having two stable textures comprising a uniform or slightly twisted state Apr. 22, 2014
8681294 Optical compensation film for LCD viewing angles reduction Mar. 25, 2014
8610844 Liquid crystal display Dec. 17, 2013
8576356 Liquid crystal display device with controlled viewing angle panel and driving method thereof Nov. 5, 2013
8531627 Optical rotation plate and liquid crystal display device using the same Sep. 10, 2013
8456594 Cholesteric liquid crystal display devices and methods of manufacturing the same Jun. 4, 2013
8441600 Display and pixel circuit thereof May. 14, 2013
8314918 Display Nov. 20, 2012
8279395 System and eyewear for viewing stereoscopic imagery Oct. 2, 2012
8264450 Illuminating apparatus and display apparatus Sep. 11, 2012
8259259 Liquid crystal display device comprising an optically anisotropic film having at least one species of liquid crystal compound which exhibits a nematic phase or a smectic phase Sep. 4, 2012
8211515 Optical compensation sheet, process for producing the same, and polarizing plate and liquid crystal display device using the same Jul. 3, 2012
8184215 High-speed liquid crystal polarization modulator May. 22, 2012
8111357 Optical element and display device using the same Feb. 7, 2012
8023052 High-speed liquid crystal polarization modulator Sep. 20, 2011
8018552 Transmissive liquid crystal display device Sep. 13, 2011
7911563 Polarizer-and-compensator assembly and method for making the same Mar. 22, 2011
7884888 Automatic darkening filter with offset polarizers Feb. 8, 2011
7850801 Layered film fabrication method, layered film defect detection method, layered film defect detection device, layered film, and image display device Dec. 14, 2010
7633586 Display Dec. 15, 2009
7612835 Bistable liquid crystal displays and the method for driving the same Nov. 3, 2009
7575773 Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus Aug. 18, 2009
7564508 Light path shift device and image display device Jul. 21, 2009
7477330 Automatic darkening filter with offset polarizers Jan. 13, 2009
7468770 Viewing angle control element, method of manufacturing the same, liquid crystal display device, and electronic apparatus Dec. 23, 2008
7408600 Liquid crystal display device Aug. 5, 2008
7400367 Viewing angle control element, display device, and electronic apparatus Jul. 15, 2008
7372523 Display apparatuses having layered liquid crystal displays May. 13, 2008
7245282 Addressing multistable nematic liquid crystal devices Jul. 17, 2007
7166321 Process for the preparation of an optical compensatory sheet comprising cellulose ester film, orientation layer, and optically anisotropic layer formed of liquid crystal molecules having a fix Jan. 23, 2007
7068250 Addressing multistable nematic liquid crystal device Jun. 27, 2006
7019804 Liquid crystal cell with twist angle from 180 to 270 degrees and twisted optical compensating element Mar. 28, 2006
6975372 LCD and methods and systems for same Dec. 13, 2005
6933999 Liquid crystal display device Aug. 23, 2005
6914648 Electronic shelf label Jul. 5, 2005
6912030 Optical compensator and liquid crystal display I Jun. 28, 2005
6906763 Liquid crystal display device and inspection method for a transparent substrate Jun. 14, 2005
6894672 Liquid crystal display device May. 17, 2005
6816227 Gray scale and color cholesteric liquid crystal displays Nov. 9, 2004
6812981 Liquid crystal display device and mobile phone Nov. 2, 2004
6801272 Color switch Oct. 5, 2004
6798475 Reflective light valve Sep. 28, 2004
6791512 Image display device Sep. 14, 2004
6775044 Wavelength compensation in a WSXC using off-voltage control Aug. 10, 2004
6765635 Apparatus and method for achromatic liquid crystal electro-optic modulation Jul. 20, 2004
6759945 Variable transmittance birefringent device Jul. 6, 2004
6697134 Reflective-type liquid crystal display and method for manufacturing same Feb. 24, 2004
6678024 Liquid crystal display device having cholesteric liquid crystal color filter Jan. 13, 2004
6674498 LCD having a compensator directly on the substrate of adjacent LC cell having particular subpixels Jan. 6, 2004
6665026 Liquid crystal display Dec. 16, 2003

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