Inventor · disambiguated record
Chin Chang
Also filed as: CHANG CHIN · CHANG CHIN-HONG
22 granted patents·5 pending applications·3,781 citations·filing 1998–2023
97Inventor score
Top patents by PatentIndex Score
27 records- 0199US6768047B2Autonomous solid state lighting systemKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jul 27, 2004·345 cites·26 claims
- 0298US6753661B2LED-based white-light backlighting for electronic displaysKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jun 22, 2004·332 cites·2 claims
- 0398US6552495B1Adaptive control system and method with spatial uniform color metric for RGB LED based white light illuminationKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Apr 22, 2003·311 cites·14 claims
- 0498US6495964B1LED luminaire with electrically adjusted color balance using photodetectorKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 17, 2002·564 cites·24 claims
- 0598US6441558B1White LED luminary light control systemKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Aug 27, 2002·825 cites·14 claims
- 0697US6888529B2Control and drive circuit arrangement for illumination performance enhancement with LED light sourcesKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted May 3, 2005·185 cites·20 claims
- 0797US6734639B2Sample and hold method to achieve square-wave PWM current source for light emitting diode arraysKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted May 11, 2004·180 cites·18 claims
- 0897US6621235B2Integrated LED driving device with current sharing for multiple LED stringsKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 16, 2003·283 cites·15 claims
- 0997US6510995B2RGB LED based light driver using microprocessor controlled AC distributed power systemKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 28, 2003·298 cites·16 claims
- 1095US6992803B2RGB primary color point identification system and methodKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 31, 2006·94 cites·14 claims
- 1194US6429604B2Power feedback power factor correction scheme for multiple lamp operationKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Aug 6, 2002·88 cites·25 claims
- 1293US6509696B2Method and system for driving a capacitively coupled fluorescent lampKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 21, 2003·80 cites·15 claims
- 1390US7443209B2PWM LED regulator with sample and holdKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Oct 28, 2008·49 cites·18 claims
- 1483US6498437B1Short circuit protection for multiple lamp LCD backlight ballasts with PWM dimmingKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 24, 2002·31 cites·20 claims
- 1581US6465991B1Switchable power converter with coupled inductor boost and coupled inductor SEPIC for multiple level input line power factor correctionKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Oct 15, 2002·32 cites·23 claims
- 1678US6600562B1Method of extended color sense and estimation for RGB LED illuminantsKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jul 29, 2003·20 cites·20 claims
- 1776US6635817B2Solar cell array having lattice or matrix structure and method of arranging solar cells and panelsKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Oct 21, 2003·21 cites·23 claims
- 1872US6407935B1High frequency electronic ballast with reactive power compensationKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jun 18, 2002·15 cites·28 claims
- 1964US6784867B1Voltage-fed push LLC resonant LCD backlighting inverter circuitKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Aug 31, 2004·10 cites·22 claims
- 2057US2025192625A1Axial-flux motor having double stator assemblies and single rotor assembly and uav motor deviceMETAL IND RES & DEV CT·Filed 2023·Application pending·0 cites
- 2155US7593567B2Transformation structures for approximating color matching functionsKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Sep 22, 2009·4 cites·20 claims
- 2250US6894675B2Seamless highlighting in LCD monitors and LCD-TVKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted May 17, 2005·3 cites·25 claims
- 2343US2013162146A1Energy-saving led lighting deviceCHANG CHIN-HONG·Filed 2011·Application pending·0 cites
- 2442US6541925B1Resonant converter circuit with suppression of transients during changes in operating conditionKONINKL PHILIPS ELECTRONICS NV·Filed 1998·Granted Apr 1, 2003·11 cites·4 claims
- 2539US2006114201A1Color temperature correction for phosphor converted ledsKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Application pending·0 cites
- 2638US2002159002A1Direct backlighting for liquid crystal displaysKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Application pending·0 cites
- 2736US2003071601A1Power converter circuit having a pair of inversely coupled inductorsKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →