Assignee
UNIV KENT STATE OHIO
US·141 granted patents·45 pending applications·8,086 citations·filing 1974–2025
Top patents by PatentIndex Score
186 records- 0199US5437811ALiquid crystalline light modulating device and materialUNIV KENT STATE OHIO·Filed 1992·Granted Aug 1, 1995·377 cites·21 claims
- 0298US5691795APolymer stabilized liquid crystalline light modulating device and materialUNIV KENT STATE OHIO·Filed 1995·Granted Nov 25, 1997·268 cites·21 claims
- 0398US5251048AMethod and apparatus for electronic switching of a reflective color displayUNIV KENT STATE OHIO·Filed 1992·Granted Oct 5, 1993·274 cites·11 claims
- 0498US4994204ALight modulating materials comprising a liquid crystal phase dispersed in a birefringent polymeric phaseUNIV KENT STATE OHIO·Filed 1989·Granted Feb 19, 1991·269 cites·17 claims
- 0597US6864931B1Electrically controllable liquid crystal microstructuresUNIV KENT STATE OHIO·Filed 2000·Granted Mar 8, 2005·110 cites·30 claims
- 0697US6154190ADynamic drive methods and apparatus for a bistable liquid crystal displayUNIV KENT STATE OHIO·Filed 1997·Granted Nov 28, 2000·261 cites·52 claims
- 0797US6061107ABistable polymer dispersed cholesteric liquid crystal displaysUNIV KENT STATE OHIO·Filed 1997·Granted May 9, 2000·287 cites·15 claims
- 0897US5748277ADynamic drive method and apparatus for a bistable liquid crystal displayUNIV KENT STATE OHIO·Filed 1995·Granted May 5, 1998·267 cites·25 claims
- 0997US5695682ALiquid crystalline light modulating device and materialUNIV KENT STATE OHIO·Filed 1997·Granted Dec 9, 1997·268 cites·6 claims
- 1097US5453863AMultistable chiral nematic displaysUNIV KENT STATE OHIO·Filed 1993·Granted Sep 26, 1995·252 cites·10 claims
- 1196US6583838B1Bistable liquid crystal display device using polymer stabilizationUNIV KENT STATE OHIO·Filed 2000·Granted Jun 24, 2003·100 cites·16 claims
- 1296US6104448APressure sensitive liquid crystalline light modulating device and materialUNIV KENT STATE OHIO·Filed 1999·Granted Aug 15, 2000·213 cites·4 claims
- 1396US5825448AReflective optically active diffractive deviceUNIV KENT STATE OHIO·Filed 1996·Granted Oct 20, 1998·249 cites·58 claims
- 1496US5530566APolymer dispersed ferroelectric smectic liquid crystal formed by inducing a force during phase separationUNIV KENT STATE OHIO·Filed 1994·Granted Jun 25, 1996·122 cites·9 claims
- 1596US5384067AGrey scale liquid crystal materialUNIV KENT STATE OHIO·Filed 1992·Granted Jan 24, 1995·198 cites·2 claims
- 1696US5240636ALight modulating materials comprising a liquid crystal microdroplets dispersed in a birefringent polymeric matri method of making light modulating materialsUNIV KENT STATE OHIO·Filed 1992·Granted Aug 31, 1993·181 cites·15 claims
- 1795US6822713B1Optical compensation film for liquid crystal displayUNIV KENT STATE OHIO·Filed 2000·Granted Nov 23, 2004·114 cites·11 claims
- 1895US5847798APolymer stabilized black-white cholesteric reflective displayUNIV KENT STATE OHIO·Filed 1997·Granted Dec 8, 1998·182 cites·6 claims
- 1995US5831700APolymer stabilized four domain twisted nematic liquid crystal displayUNIV KENT STATE OHIO·Filed 1996·Granted Nov 3, 1998·160 cites·25 claims
- 2095US5668614APixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiationUNIV KENT STATE OHIO·Filed 1995·Granted Sep 16, 1997·199 cites·30 claims
- 2195US4890902ALiquid crystal light modulating materials with selectable viewing anglesUNIV KENT STATE OHIO·Filed 1988·Granted Jan 2, 1990·241 cites·39 claims
- 2295US4688900ALight modulating material comprising a liquid crystal dispersion in a plastic matrixUNIV KENT STATE OHIO·Filed 1985·Granted Aug 25, 1987·599 cites·47 claims
- 2394US6411354B1Bulk alignment of lyotropic chromonic liquid crystalsUNIV KENT STATE OHIO·Filed 2001·Granted Jun 25, 2002·54 cites·21 claims
- 2494US5004323AExtended temperature range polymer dispersed liquid crystal light shuttersUNIV KENT STATE OHIO·Filed 1988·Granted Apr 2, 1991·108 cites·22 claims
- 2593US6268839B1Drive schemes for gray scale bistable cholesteric reflective displaysUNIV KENT STATE OHIO·Filed 1998·Granted Jul 31, 2001·148 cites·6 claims
- 2693US6141074AFour domain pixel for liquid crystalline light modulating deviceUNIV KENT STATE OHIO·Filed 1997·Granted Oct 31, 2000·138 cites·62 claims
- 2792US6320563B1Dual frequency cholesteric display and drive schemeUNIV KENT STATE OHIO·Filed 1999·Granted Nov 20, 2001·128 cites·22 claims
- 2892US6188462B1Diffraction grating with electrically controlled periodicityUNIV KENT STATE OHIO·Filed 1998·Granted Feb 13, 2001·171 cites·12 claims
- 2991US6673398B2Alignment of lyotropic chromonic liquid crystals at surfaces as monolayers and multilayered stacksUNIV KENT STATE OHIO·Filed 2001·Granted Jan 6, 2004·72 cites·32 claims
- 3091US6278429B1Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver chipsUNIV KENT STATE OHIO·Filed 1998·Granted Aug 21, 2001·165 cites·35 claims
- 3191US5877826ADual frequency switchable cholesteric liquid crystal light shutter and driving waveformUNIV KENT STATE OHIO·Filed 1997·Granted Mar 2, 1999·131 cites·17 claims
- 3291US5368770AMethod of preparing thin liquid crystal filmsUNIV KENT STATE OHIO·Filed 1992·Granted Nov 29, 1994·96 cites·19 claims
- 3390US6570632B2Lyotropic chromonic liquid crystalsUNIV KENT STATE OHIO·Filed 2002·Granted May 27, 2003·45 cites·5 claims
- 3490US6204835B1Cumulative two phase drive scheme for bistable cholesteric reflective displaysUNIV KENT STATE OHIO·Filed 1998·Granted Mar 20, 2001·103 cites·15 claims
- 3590US6133975ABistable liquid crystal display device using polymer stabilizationUNIV KENT STATE OHIO·Filed 1997·Granted Oct 17, 2000·106 cites·12 claims
- 3690US3965029ALiquid crystal materialsUNIV KENT STATE OHIO·Filed 1974·Granted Jun 22, 1976·89 cites·6 claims
- 3789US6171802B1Detection and amplification of ligandsUNIV KENT STATE OHIO·Filed 1998·Granted Jan 9, 2001·85 cites·8 claims
- 3889US5949508APhase separated composite organic film and methods for the manufacture thereofUNIV KENT STATE OHIO·Filed 1997·Granted Sep 7, 1999·135 cites·25 claims
- 3988US7935655B2Nanostructured core-shell electrocatalysts for fuel cellsUNIV KENT STATE OHIO·Filed 2005·Granted May 3, 2011·66 cites·12 claims
- 4088US5929960AMethod for forming liquid crystal display cell walls using a patterned electric fieldUNIV KENT STATE OHIO·Filed 1997·Granted Jul 27, 1999·148 cites·11 claims
- 4188US5315419AMethod of producing a homogeneously aligned chiral smectic C liquid crystal having homeotropic alignment layersUNIV KENT STATE OHIO·Filed 1992·Granted May 24, 1994·95 cites·8 claims
- 4288US5264950ALight modulating device with polarizer and liquid crystal interspersed as spherical or randomly distorted droplets in isotropic polymerUNIV KENT STATE OHIO·Filed 1992·Granted Nov 23, 1993·135 cites·10 claims
- 4386US9690161B2Field induced heliconical structure of cholesteric liquid crystalUNIV KENT STATE OHIO·Filed 2015·Granted Jun 27, 2017·5 cites·20 claims
- 4486US7812919B2Cholesteric liquid crystal light modulatorsUNIV KENT STATE OHIO·Filed 2007·Granted Oct 12, 2010·11 cites·24 claims
- 4585US6924870B1Liquid crystal on silicon diffractive light valveUNIV KENT STATE OHIO·Filed 2003·Granted Aug 2, 2005·31 cites·12 claims
- 4684US5434685AFerroelectric liquid crystal cell, a method of making it, and its useUNIV KENT STATE OHIO·Filed 1993·Granted Jul 18, 1995·49 cites·6 claims
- 4783US7652731B2Polymer enhanced cholesteric electro-optical devicesUNIV KENT STATE OHIO·Filed 2006·Granted Jan 26, 2010·8 cites·8 claims
- 4881US7291727B1Light-harvesting discotic liquid crystalline porphyrins and metal complexesUNIV KENT STATE OHIO·Filed 2006·Granted Nov 6, 2007·6 cites·26 claims
- 4981US6897915B1Non-lithographic photo-induced patterning of polymers from liquid crystal solvents with spatially modulated director fieldsUNIV KENT STATE OHIO·Filed 2001·Granted May 24, 2005·22 cites·13 claims
- 5081US5543950ALiquid crystalline electrooptical deviceUNIV KENT STATE OHIO·Filed 1995·Granted Aug 6, 1996·89 cites·8 claims
Showing the top 50 of 186 patent records by PatentIndex Score.
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