Inventor · disambiguated record
Tsung-Hau Chang
Also filed as: CHANG TSUNG-HAU
22 granted patents·5 pending applications·272 citations·filing 2007–2020
95Inventor score
Files withNOVATEK MICROELECTRONICS CORP12HSU KUO-CHING8CHANG TSUNG-HAU4CHIEN FENG-WEI1NOVATEK MIRCOELECTRONICS CORP1
Top patents by PatentIndex Score
27 records- 0197US8288969B2Driving apparatus of light emitting diode and driving method thereofHSU KUO-CHING·Filed 2012·Granted Oct 16, 2012·57 cites·37 claims
- 0296US8427081B2Driving apparatus of light emitting diode and driving method thereofHSU KUO-CHING·Filed 2012·Granted Apr 23, 2013·44 cites·24 claims
- 0396US8154223B2Driving apparatus of light emitting diode and driving method thereofHSU KUO-CHING·Filed 2009·Granted Apr 10, 2012·55 cites·22 claims
- 0493US8134304B2Light source driving device capable of dynamically keeping constant current sink and related methodHSU KUO-CHING·Filed 2009·Granted Mar 13, 2012·36 cites·19 claims
- 0592US8344661B2LED device with simultaneous open and short detection function and method thereofNOVATEK MICROELECTRONICS CORP·Filed 2009·Granted Jan 1, 2013·26 cites·13 claims
- 0687US8169156B2Control method capable of preventing flicker effect and light emitting device thereofHSU KUO-CHING·Filed 2009·Granted May 1, 2012·15 cites·38 claims
- 0784US7652534B1Rail-to-rail operational amplifier capable of reducing current consumptionNOVATEK MICROELECTRONICS CORP·Filed 2008·Granted Jan 26, 2010·15 cites·14 claims
- 0876US8994277B2LED device, LED driving circuit and methodYANG HSING-CHIEN·Filed 2011·Granted Mar 31, 2015·4 cites·11 claims
- 0974US10902767B1Driving circuit of display apparatus and driving method thereofNOVATEK MICROELECTRONICS CORP·Filed 2019·Granted Jan 26, 2021·1 cites·13 claims
- 1072US8610360B2LED device and method for preventing soft-start flickerHSU KUO-CHING·Filed 2009·Granted Dec 17, 2013·4 cites·15 claims
- 1171US8461883B2Frequency generatorHSU KUO-CHING·Filed 2010·Granted Jun 11, 2013·3 cites·16 claims
- 1269US8786271B2Circuit and method for generating reference voltage and reference currentCHANG TSUNG-HAU·Filed 2011·Granted Jul 22, 2014·5 cites·10 claims
- 1369US7936090B2Driving circuit and method for driving current-driven devicesNOVATEK MICROELECTRONICS CORP·Filed 2009·Granted May 3, 2011·4 cites·18 claims
- 1465US8502472B2Light emitting diode driving apparatus and method for holding driving voltage thereofCHANG TSUNG-HAU·Filed 2011·Granted Aug 6, 2013·2 cites·11 claims
- 1555USRE46330EDriving apparatus of light emitting diode and driving method thereofNOVATEK MICROELECTRONICS CORP·Filed 2015·Granted Feb 28, 2017·0 cites·37 claims
- 1655US9119249B2LED device, LED driving circuit and methodNOVATEK MICROELECTRONICS CORP·Filed 2013·Granted Aug 25, 2015·0 cites·12 claims
- 1754US2013082603A1LED Device with Simultaneous Open and Short Detection Function and Method ThereofNOVATEK MICROELECTRONICS CORP·Filed 2012·Application pending·0 cites
- 1850US2011043138A1Light Emitting Device Capable of Dynamically Regulating Output Voltage and Related Control MethodHSU KUO-CHING·Filed 2009·Application pending·0 cites
- 1949US8237369B2Light source apparatus and driving circuit thereofCHANG TSUNG-HAU·Filed 2009·Granted Aug 7, 2012·0 cites·34 claims
- 2047US8471603B2Current driver, electronic device and current driving methodCHANG TSUNG-HAU·Filed 2011·Granted Jun 25, 2013·0 cites·24 claims
- 2147US7626528B2Digital to analog converter with high driving capabilityNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Dec 1, 2009·1 cites·11 claims
- 2247US2011037396A1Light emitting diode module and driving method thereofNOVATEK MICROELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 2340US8922055B2Driving circuit and method for driving current-driven devices and electronic device applying the sameCHIEN FENG-WEI·Filed 2011·Granted Dec 30, 2014·0 cites·48 claims
- 2440US8030904B2Oscillator circuitNOVATEK MICROELECTRONICS CORP·Filed 2009·Granted Oct 4, 2011·0 cites·10 claims
- 2540US2010277214A1Device and method for signal generationNOVATEK MICROELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 2638US11581861B2Capacitance decreasing scheme for operational amplifierNOVATEK MICROELECTRONICS CORP·Filed 2020·Granted Feb 14, 2023·0 cites·13 claims
- 2728US2013265083A1Voltage and current reference generatorNOVATEK MIRCOELECTRONICS CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →