Assignee
TPO HONG KONG HOLDING LTD
CN·50 granted patents·9 pending applications·352 citations·filing 2000–2007
Top patents by PatentIndex Score
59 records- 0191US7277075B1Liquid crystal display apparatusTPO HONG KONG HOLDING LTD·Filed 2000·Granted Oct 2, 2007·83 cites·17 claims
- 0290US7688394B2Active matrix liquid crystal display device having a flicker eliminating circuitTPO HONG KONG HOLDING LTD·Filed 2005·Granted Mar 30, 2010·10 cites·9 claims
- 0389US7791565B2Colour electroluminescent display device and its driving methodTPO HONG KONG HOLDING LTD·Filed 2005·Granted Sep 7, 2010·19 cites·12 claims
- 0487US7453420B2Display device with electrostatic discharge protection circuitryTPO HONG KONG HOLDING LTD·Filed 2004·Granted Nov 18, 2008·33 cites·18 claims
- 0585US7859508B2Liquid crystal driving circuit and liquid crystal display device including multiple shift registers and an enable switch to allow partial drivingTPO HONG KONG HOLDING LTD·Filed 2006·Granted Dec 28, 2010·6 cites·8 claims
- 0684US7579901B2Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuitTPO HONG KONG HOLDING LTD·Filed 2005·Granted Aug 25, 2009·20 cites·10 claims
- 0783US7382176B2Charge pump circuitTPO HONG KONG HOLDING LTD·Filed 2003·Granted Jun 3, 2008·45 cites·19 claims
- 0881US7599029B2Liquid crystal display device having a parallel alignment type liquid crystal layerTPO HONG KONG HOLDING LTD·Filed 2005·Granted Oct 6, 2009·7 cites·6 claims
- 0981US7230597B2Active matrix array devicesTPO HONG KONG HOLDING LTD·Filed 2002·Granted Jun 12, 2007·21 cites·20 claims
- 1079US7804476B2Active matrix display deviceTPO HONG KONG HOLDING LTD·Filed 2005·Granted Sep 28, 2010·4 cites·19 claims
- 1178US7915906B2Test circuit for liquid crystal display device, LCD device including test circuit, and testing method for LCD deviceTPO HONG KONG HOLDING LTD·Filed 2006·Granted Mar 29, 2011·4 cites·16 claims
- 1276US7375777B2Reflection type color liquid crystal display device having sub-pixels for increasing luminance, and a light scattering film including color filters for the sub-pixels and manufacturing method thereofTPO HONG KONG HOLDING LTD·Filed 2005·Granted May 20, 2008·4 cites·10 claims
- 1375US7423664B2Transflective liquid crystal display device having alignment film covering plural isolated stacks of resin and diffusive reflective plate layersTPO HONG KONG HOLDING LTD·Filed 2003·Granted Sep 9, 2008·24 cites·3 claims
- 1468US7952653B2Liquid crystal display device having ESD protection circuit and method for manufacturing the sameTPO HONG KONG HOLDING LTD·Filed 2004·Granted May 31, 2011·10 cites·9 claims
- 1564US7586473B2Active matrix array device, electronic device and operating method for an active matrix array deviceTPO HONG KONG HOLDING LTD·Filed 2004·Granted Sep 8, 2009·8 cites·11 claims
- 1662US7233323B2Device and method for varying the row scanning time to compensate the signal attenuation depending on the distance between pixel rows and column driverTPO HONG KONG HOLDING LTD·Filed 2002·Granted Jun 19, 2007·7 cites·5 claims
- 1756US7993804B2Color filter structure and display device using the color filter, and manufacturing method thereofTPO HONG KONG HOLDING LTD·Filed 2006·Granted Aug 9, 2011·2 cites·12 claims
- 1855US7440050B2Reflective structure having a directivity of diffuse reflection and apparatus with itTPO HONG KONG HOLDING LTD·Filed 2004·Granted Oct 21, 2008·4 cites·20 claims
- 1955US7368751B2Method of manufacturing an electronic device comprising a thin film transistorTPO HONG KONG HOLDING LTD·Filed 2003·Granted May 6, 2008·7 cites·15 claims
- 2054US7643106B2Display moduleTPO HONG KONG HOLDING LTD·Filed 2006·Granted Jan 5, 2010·2 cites·10 claims
- 2151US7636140B2Method to optimize the color point in transflective color liquid crystal displaysTPO HONG KONG HOLDING LTD·Filed 2005·Granted Dec 22, 2009·1 cites·20 claims
- 2251US7518675B2Method of manufacturing liquid crystal display deviceTPO HONG KONG HOLDING LTD·Filed 2004·Granted Apr 14, 2009·3 cites·19 claims
- 2351US2009135170A1Display deviceTPO HONG KONG HOLDING LTD·Filed 2007·Application pending·0 cites
- 2450US7626428B2Buffer circuit with reduced power consumptionTPO HONG KONG HOLDING LTD·Filed 2006·Granted Dec 1, 2009·3 cites·6 claims
- 2550US2007171178A1Active matrix display deviceTPO HONG KONG HOLDING LTD·Filed 2007·Application pending·0 cites
- 2649US7446835B2Transflective switchable double-cell LCD deviceTPO HONG KONG HOLDING LTD·Filed 2003·Granted Nov 4, 2008·5 cites·5 claims
- 2747US2008252588A1Column Electrode Driving Circuit and Display Device Using ItTPO HONG KONG HOLDING LTD·Filed 2006·Application pending·0 cites
- 2846US8023081B2Liquid crystal display deviceTPO HONG KONG HOLDING LTD·Filed 2006·Granted Sep 20, 2011·0 cites·6 claims
- 2946US7760296B2Transflective display having improved contrastTPO HONG KONG HOLDING LTD·Filed 2004·Granted Jul 20, 2010·6 cites·20 claims
- 3045US7532174B2Programmable drivers for display devicesTPO HONG KONG HOLDING LTD·Filed 2003·Granted May 12, 2009·6 cites·14 claims
- 3145US7492360B2Image display device with circuits to compensate voltage drop in the common electrode for active matrix liquid crystal displaysTPO HONG KONG HOLDING LTD·Filed 2003·Granted Feb 17, 2009·2 cites·15 claims
- 3245US7477270B2Active matrix display deviceTPO HONG KONG HOLDING LTD·Filed 2004·Granted Jan 13, 2009·0 cites·9 claims
- 3344US7944426B2Display device and driving circuit for capacitance load thereofTPO HONG KONG HOLDING LTD·Filed 2006·Granted May 17, 2011·0 cites·13 claims
- 3444US7768494B2Circuit devicesTPO HONG KONG HOLDING LTD·Filed 2006·Granted Aug 3, 2010·0 cites·16 claims
- 3544US2008218135A1Voltage Supplying Device and an Image Display DeviceTPO HONG KONG HOLDING LTD·Filed 2005·Application pending·0 cites
- 3642US2009002355A1Active Matrix Liquid Crystal Display Device and Method of Driving the SameTPO HONG KONG HOLDING LTD·Filed 2005·Application pending·0 cites
- 3742US2008013009A1Color Liquid Crystal Display DeviceTPO HONG KONG HOLDING LTD·Filed 2005·Application pending·0 cites
- 3841US7480107B2Camera comprising means for accurately fixing the distance between a lens and an image sensor chipTPO HONG KONG HOLDING LTD·Filed 2004·Granted Jan 20, 2009·0 cites·19 claims
- 3941US7314303B2Assistant light source and front-lightTPO HONG KONG HOLDING LTD·Filed 2003·Granted Jan 1, 2008·4 cites·18 claims
- 4040US8026888B2Voltage supplying deviceTPO HONG KONG HOLDING LTD·Filed 2004·Granted Sep 27, 2011·0 cites·18 claims
- 4140US7668322B2Device for detecting pressure fluctuations, display device, recording device and sound reproduction systemTPO HONG KONG HOLDING LTD·Filed 2002·Granted Feb 23, 2010·0 cites·9 claims
- 4239US7800574B2Liquid crystal display deviceTPO HONG KONG HOLDING LTD·Filed 2005·Granted Sep 21, 2010·0 cites·4 claims
- 4338US7952098B2Active matrix electronic array deviceTPO HONG KONG HOLDING LTD·Filed 2005·Granted May 31, 2011·0 cites·10 claims
- 4438US7884787B2Display device and portable information device having a mirror functionTPO HONG KONG HOLDING LTD·Filed 2005·Granted Feb 8, 2011·0 cites·15 claims
- 4538US7768568B2Camera comprising means for retaining a lens at two different positionsTPO HONG KONG HOLDING LTD·Filed 2004·Granted Aug 3, 2010·0 cites·14 claims
- 4638US7626645B2Optical modulation method for a liquid crystal layer and liquid crystal device using the methodTPO HONG KONG HOLDING LTD·Filed 2004·Granted Dec 1, 2009·0 cites·13 claims
- 4738US7524688B2Active matrix display devices and the manufacture thereofTPO HONG KONG HOLDING LTD·Filed 2003·Granted Apr 28, 2009·0 cites·7 claims
- 4838US2008252962A1Electronic Ink Display Device and Method for Manufacturing the SameTPO HONG KONG HOLDING LTD·Filed 2005·Application pending·0 cites
- 4937US7543950B2Diffuse reflector for a liquid crystal display deviceTPO HONG KONG HOLDING LTD·Filed 2002·Granted Jun 9, 2009·0 cites·7 claims
- 5035US7847216B2Panel heater and display device using the sameTPO HONG KONG HOLDING LTD·Filed 2005·Granted Dec 7, 2010·0 cites·9 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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