Inventor · disambiguated record
Da Liu
Also filed as: LIU DA · Liu da-yi
39 granted patents·4 pending applications·1,042 citations·filing 2002–2022
98Inventor score
Top patents by PatentIndex Score
43 records- 0197US7847783B2Controller circuitry for light emitting diodesO2MICRO INT LTD·Filed 2005·Granted Dec 7, 2010·58 cites·28 claims
- 0296US6936975B2Power supply for an LCD panel02MICRO INTERNAT LTD·Filed 2003·Granted Aug 30, 2005·118 cites·6 claims
- 0395US7919936B2Driving circuit for powering light sourcesO2MICRO INC·Filed 2008·Granted Apr 5, 2011·53 cites·20 claims
- 0494US8148919B2Circuits and methods for driving light sourcesLIU DA·Filed 2011·Granted Apr 3, 2012·15 cites·20 claims
- 0594US8044609B2Circuits and methods for controlling LCD backlights02MICRO INC·Filed 2008·Granted Oct 25, 2011·83 cites·19 claims
- 0694US6856519B2Inverter controllerO2MICRO INT LTD·Filed 2002·Granted Feb 15, 2005·88 cites·7 claims
- 0794US6809938B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted Oct 26, 2004·72 cites·6 claims
- 0892US7057611B2Integrated power supply for an LCD panel02MICRO INTERNAT LTD·Filed 2003·Granted Jun 6, 2006·58 cites·9 claims
- 0992US6900993B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted May 31, 2005·52 cites·7 claims
- 1091US8253352B2Circuits and methods for powering light sourcesLIU DA·Filed 2011·Granted Aug 28, 2012·11 cites·20 claims
- 1191US7425949B2Power supply for an LCD panelO2MICRO INT LTD·Filed 2005·Granted Sep 16, 2008·18 cites·7 claims
- 1291US7120035B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted Oct 10, 2006·47 cites·10 claims
- 1390US7075245B2Driving circuit for multiple cold cathode fluorescent lamps backlight applications02 MICRO INC·Filed 2004·Granted Jul 11, 2006·59 cites·34 claims
- 1489US7126289B2Protection for external electrode fluorescent lamp systemO2MICRO INC·Filed 2004·Granted Oct 24, 2006·48 cites·33 claims
- 1588US8830159B2Controller circuitry for light emitting diodesLIU DA·Filed 2010·Granted Sep 9, 2014·6 cites·6 claims
- 1688US8248439B2Backlight controller for driving light sourcesRAN KAIPING·Filed 2011·Granted Aug 21, 2012·26 cites·17 claims
- 1787US8237379B2Circuits and methods for powering light sourcesLIU DA·Filed 2011·Granted Aug 7, 2012·10 cites·17 claims
- 1887US6897698B1Phase shifting and PWM driving circuits and methodsO2MICRO INT LTD·Filed 2003·Granted May 24, 2005·60 cites·4 claims
- 1986US8143800B2Circuits and methods for driving a load with power factor correction functionLIU DA·Filed 2010·Granted Mar 27, 2012·9 cites·15 claims
- 2086US7394209B2Liquid crystal display system with lamp feedback02 MICRO INTERNAT LTD·Filed 2004·Granted Jul 1, 2008·56 cites·20 claims
- 2183US7248240B2Protection for external electrode fluorescent lamp systemO2MICRO INT LTD·Filed 2006·Granted Jul 24, 2007·9 cites·13 claims
- 2282US8179053B2Power supply for an LCD displayLIN YUNG-LIN·Filed 2008·Granted May 15, 2012·6 cites·28 claims
- 2379US8587221B2DC/DC converter with multiple outputsLIU DA·Filed 2011·Granted Nov 19, 2013·6 cites·19 claims
- 2478US7714520B2LED driver circuit capable of adjusting output currentLiu da-yi·Filed 2008·Granted May 11, 2010·9 cites·3 claims
- 2577US7151394B2Phase shifting and PWM driving circuits and methodsO2MICRO INT LTD·Filed 2005·Granted Dec 19, 2006·14 cites·3 claims
- 2674US8169147B2Circuit for vehicle lightingHSU CHENG-WEI·Filed 2009·Granted May 1, 2012·8 cites·21 claims
- 2771US7768806B2Mixed-code DC/AC inverterO2MICRO INT LTD·Filed 2006·Granted Aug 3, 2010·10 cites·21 claims
- 2870US7911463B2Power supply topologies for inverter operations and power factor correction operationsO2MICRO INT LTD·Filed 2005·Granted Mar 22, 2011·5 cites·12 claims
- 2970US7253569B2Open lamp detection in an EEFL backlight system02MICRO INTERNAT LTD·Filed 2005·Granted Aug 7, 2007·12 cites·14 claims
- 3068US7550928B2Driving circuit for multiple cold cathode fluorescent lamps backlight applicationsO2MICRO INT LTD·Filed 2006·Granted Jun 23, 2009·2 cites·35 claims
- 3167US8049438B2Driving circuits and controllers for controlling power to a loadO2MICRO INC·Filed 2008·Granted Nov 1, 2011·4 cites·16 claims
- 3266US8711119B2Display systems with touch screensLIU DA·Filed 2012·Granted Apr 29, 2014·4 cites·33 claims
- 3366US7554273B2Protection for external electrode fluorescent lamp systemO2MICRO INT LTD·Filed 2007·Granted Jun 30, 2009·2 cites·35 claims
- 3461US8531123B2DC/DC converter with multiple outputsLIU DA·Filed 2010·Granted Sep 10, 2013·2 cites·16 claims
- 3560US7764021B2Integrated circuit capable of enhanced lamp ignitionO2MICRO INT LTD·Filed 2005·Granted Jul 27, 2010·1 cites·10 claims
- 3658US8054001B2Circuit structure for LCD backlightO2MICRO INC·Filed 2006·Granted Nov 8, 2011·1 cites·17 claims
- 3757US11589151B1Audio data communication method and wireless audio systemSHANGHAI WUQI MICROELECTRONICS CO LTD·Filed 2022·Granted Feb 21, 2023·0 cites·13 claims
- 3856US2009225020A1Backlight controller for driving light sourcesO2MICRO INC·Filed 2008·Application pending·0 cites
- 3946US2015366011A1Light source controllersO2MICRO INC·Filed 2014·Application pending·0 cites
- 4038US7888889B2Protection for external electrode fluorescent lamp systemO2MICRO INT LTD·Filed 2009·Granted Feb 15, 2011·0 cites·20 claims
- 4137US2012091816A1Power systems with multiple power sourcesLIU DA·Filed 2011·Application pending·0 cites
- 4236US2010171481A1Digital power control deviceLiu da-yi·Filed 2009·Application pending·0 cites
- 4335US8456101B2Power systems with platform-based controllersWANG YI-REN·Filed 2010·Granted Jun 4, 2013·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →