Inventor · disambiguated record
Hoi Sing Kwok
Also filed as: KWOK HOI S · KWOK HOI SING
88 granted patents·24 pending applications·563 citations·filing 1988–2023
99Inventor score
Files withUNIV HONG KONG SCIENCE & TECHN40UNIV HONG KONG SCI & TECH17KWOK HOI-SING11UNIV HONG KONG SCIENCE & TECH10VARINTELLIGENT BVI LTD4
Top patents by PatentIndex Score
112 records- 0197US9575366B2Fast switchable and high diffraction efficiency grating ferroelectric liquid crystal cellUNIV HONG KONG SCIENCE & TECH·Filed 2012·Granted Feb 21, 2017·56 cites·9 claims
- 0293US6630289B1Photo-patterned light polarizing filmsUNIV HONG KONG SCIENCE & TECHN·Filed 2000·Granted Oct 7, 2003·62 cites·21 claims
- 0388US4870244AMethod and device for stand-off laser drilling and cuttingCOPLEY JOHN A·Filed 1988·Granted Sep 26, 1989·73 cites·13 claims
- 0485US8482506B2Transient liquid crystal architectureKWOK HOI SING·Filed 2007·Granted Jul 9, 2013·6 cites·26 claims
- 0584US7070712B2Acetylene polymers and their use as liquid crystalsUNIV HONG KONG SCIENCE & TECHN·Filed 2005·Granted Jul 4, 2006·9 cites·19 claims
- 0683US9383607B2Patterned polarization converterUNIV HONG KONG SCIENCE & TECHN·Filed 2014·Granted Jul 5, 2016·3 cites·14 claims
- 0782US10281731B22D/3D switchable liquid crystal lens unitUNIV HONG KONG SCI & TECH·Filed 2015·Granted May 7, 2019·2 cites·11 claims
- 0882US7892711B2Azo compound, composition for photo-alignment film using the same, and method for producing photo-alignment filmDAINIPPON INK & CHEMICALS·Filed 2005·Granted Feb 22, 2011·6 cites·10 claims
- 0981US7381507B2Photo-patterned light polarizing filmsUNIV HONG KONG SCIENCE & TECHN·Filed 2003·Granted Jun 3, 2008·20 cites·19 claims
- 1080US8263968B2Double sided emission organic light emitting diode displayKWOK HOI-SING·Filed 2006·Granted Sep 11, 2012·7 cites·6 claims
- 1180US6793344B2Optical systems for liquid crystal display projectorsINTEGRATED MICRODISPLAYS LTD·Filed 2001·Granted Sep 21, 2004·21 cites·62 claims
- 1278US11056613B2Method for production of quantum rods with precisely controllable wavelength of emissionUNIV HONG KONG SCIENCE & TECH·Filed 2019·Granted Jul 6, 2021·1 cites·20 claims
- 1378US10948774B2Photoaligned quantum rod enhancement filmsUNIV HONG KONG SCI & TECH·Filed 2017·Granted Mar 16, 2021·1 cites·18 claims
- 1477US6784955B2Optically optimized permanently bistable twisted nematic liquid crystal displaysUNIV HONG KONG SCIENCE & TECHN·Filed 2001·Granted Aug 31, 2004·18 cites·4 claims
- 1576US9366934B2Field sequential color ferroelectric liquid crystal display cellUNIV HONG KONG SCIENCE & TECHN·Filed 2013·Granted Jun 14, 2016·2 cites·12 claims
- 1676US8471999B2Low voltage liquid crystal lens with variable focal lengthVALYUKH SERGIY·Filed 2009·Granted Jun 25, 2013·7 cites·21 claims
- 1776US8120735B2Transflective liquid crystal displayKWOK HOI SING·Filed 2008·Granted Feb 21, 2012·4 cites·14 claims
- 1876US7969543B2Retardation films having single retardation value with variationUNIV HONG KONG SCIENCE & TECHN·Filed 2007·Granted Jun 28, 2011·4 cites·5 claims
- 1976US6582776B2Method of manufacturing photo-alignment layerUNIV HONG KONG SCIENCE & TECHN·Filed 2001·Granted Jun 24, 2003·19 cites·7 claims
- 2073US11015120B2Low birefringence ferroelectric liquid crystal mixturesUNIV HONG KONG SCIENCE & TECH·Filed 2018·Granted May 25, 2021·1 cites·19 claims
- 2173US9946133B2Field sequential color ferroelectric liquid crystal display cellUNIV HONG KONG SCI & TECH·Filed 2016·Granted Apr 17, 2018·1 cites·13 claims
- 2273US9739448B2Patterned polarization grating polarization converterUNIV HONG KONG SCIENCE & TECH·Filed 2015·Granted Aug 22, 2017·2 cites·18 claims
- 2373US8222646B2Thin-film transistors with metal source and drain and methods of fabricationWONG MAN·Filed 2006·Granted Jul 17, 2012·6 cites·15 claims
- 2473US6462873B1Polarizing beam splitterUNIV HONG KONG SCIENCE & TECHN·Filed 2000·Granted Oct 8, 2002·15 cites·18 claims
- 2572US8415473B2Luminescent gold(III) compounds for organic light-emitting devices and their preparationYAM VIVIAN WING-WAH·Filed 2009·Granted Apr 9, 2013·5 cites·21 claims
- 2671US9791743B2Stabilized photo-alignment layer for liquid crystalNANO & ADVANCED MATERIALS INST LTD·Filed 2014·Granted Oct 17, 2017·1 cites·8 claims
- 2770US8088676B2Metal-induced crystallization of amorphous silicon, polycrystalline silicon thin films produced thereby and thin film transistors produced therefromWONG MAN·Filed 2006·Granted Jan 3, 2012·4 cites·20 claims
- 2870US7402947B2Anode for organic light emitting diodeUNIV HONG KONG SCIENCE & TECHN·Filed 2005·Granted Jul 22, 2008·3 cites·24 claims
- 2970US7133211B2Projector with flat light sourcesINTEGRATED MICRODISPLAYS LTD·Filed 2004·Granted Nov 7, 2006·12 cites·42 claims
- 3069US6633358B1Methods and apparatus for measurement of LC cell parametersUNIV HONG KONG SCIENCE & TECHN·Filed 2000·Granted Oct 14, 2003·9 cites·19 claims
- 3167US9341855B2Polarization converter by patterned polarization gratingUNIV HONG KONG SCIENCE & TECHN·Filed 2013·Granted May 17, 2016·2 cites·9 claims
- 3267US8878176B2Metal-oxide based thin-film transistors with fluorinated active layerWONG MAN·Filed 2012·Granted Nov 4, 2014·3 cites·10 claims
- 3367US8576485B2Photo-induced dichroic polarizers and fabrication methods thereofKOZENKOV VLADIMIR MARKOVICH·Filed 2010·Granted Nov 5, 2013·3 cites·8 claims
- 3467US6081337AMethod and apparatus for measuring liquid crystal cell propertiesUNIV HONG KONG SCIENCE & TECHN·Filed 1998·Granted Jun 27, 2000·39 cites·13 claims
- 3566US6561652B1Optical assembly for reflective light valvesVARINTELLIGENT BVI LTD·Filed 1999·Granted May 13, 2003·29 cites·15 claims
- 3664US10142602B2Fabrication method of a polarizing gratingUNIV HONG KONG SCI & TECH·Filed 2017·Granted Nov 27, 2018·0 cites·8 claims
- 3764US9960281B2Metal oxide thin film transistor with source and drain regions doped at room temperatureUNIV HONG KONG SCI & TECH·Filed 2015·Granted May 1, 2018·1 cites·20 claims
- 3864US9818607B2Metal-induced crystallization of amorphous silicon in an oxidizing atmosphereUNIV HONG KONG SCI & TECH·Filed 2015·Granted Nov 14, 2017·1 cites·34 claims
- 3964US9046729B2Cholesteric liquid crystal structureVALYUKH SERGIY I·Filed 2012·Granted Jun 2, 2015·2 cites·5 claims
- 4063US9340634B2Polymer for use in liquid crystal alignment layerNOSE SAYAKA·Filed 2011·Granted May 17, 2016·1 cites·24 claims
- 4163US8755022B2Liquid crystal display cell with fast response and continuous gray scaleCHIGRINOV VLADIMIR GRIGORIEVICH·Filed 2011·Granted Jun 17, 2014·2 cites·13 claims
- 4263US8426865B2Polycrystalline silicon thin film transistors with bridged-grain structuresKWOK HOI SING·Filed 2008·Granted Apr 23, 2013·3 cites·53 claims
- 4363US7572912B2Luminescent gold (III) compounds, their preparation, and light-emitting devices containing sameUNIV HONG KONG·Filed 2004·Granted Aug 11, 2009·7 cites·18 claims
- 4462US11294241B2Composite photoalignment layerUNIV HONG KONG SCIENCE & TECH·Filed 2020·Granted Apr 5, 2022·0 cites·17 claims
- 4562US10381564B2Organic-inorganic perovskite materials and optoelectronic devices fabricated by close space sublimationUNIV HONG KONG SCI & TECH·Filed 2016·Granted Aug 13, 2019·1 cites·13 claims
- 4661US7652136B2Diarylaminofluorene-based organometallic phosphors and organic light-emitting devices made with such compoundsUNIV HONG KONG SCIENCE & TECHN·Filed 2006·Granted Jan 26, 2010·1 cites·19 claims
- 4761US7381600B2Method of annealing polycrystalline silicon using solid-state laser and devices built thereonUNIV HONG KONG SCIENCE & TECHN·Filed 2005·Granted Jun 3, 2008·1 cites·26 claims
- 4861US6532051B1Liquid crystal display with nonspecular reflectorsVARINTELLIGENT BVI LTD·Filed 2000·Granted Mar 11, 2003·8 cites·14 claims
- 4960US9743054B2Projection device and fabrication method of a polarization gratingUNIV HONG KONG SCIENCE & TECH·Filed 2014·Granted Aug 22, 2017·0 cites·12 claims
- 5060US9214568B2Thin film transistor with two-dimensional doping arrayUNIV HONG KONG SCIENCE & TECHN·Filed 2013·Granted Dec 15, 2015·1 cites·20 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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