Inventor · disambiguated record
Yi-Cheng Chang
Also filed as: CHANG YI · CHANG YI-CHENG
25 granted patents·18 pending applications·83 citations·filing 2003–2025
94Inventor score
Files withINNOLUX CORP9CARUX TECH PTE LTD8AU OPTRONICS CORP7CHANG YI-CHENG4CHICONY POWER TECH CO LTD3
Top patents by PatentIndex Score
43 records- 0197US11144131B1Illuminated module and keyboard thereofCHICONY POWER TECH CO LTD·Filed 2020·Granted Oct 12, 2021·6 cites·14 claims
- 0296US9654310B1Analog delay cell and tapped delay line comprising the analog delay cellNXP USA INC·Filed 2016·Granted May 16, 2017·31 cites·20 claims
- 0394US11366263B1Backlight moduleCHICONY POWER TECH CO LTD·Filed 2021·Granted Jun 21, 2022·5 cites·13 claims
- 0492US12062344B2Display device and backlight control method for display deviceINNOLUX CORP·Filed 2023·Granted Aug 13, 2024·2 cites·20 claims
- 0582US10948651B1Keyboard backlight module and manufacturing method thereofCHICONY POWER TECH CO LTD·Filed 2019·Granted Mar 16, 2021·2 cites·15 claims
- 0681US8680937B2Differential equalizers with source degeneration and feedback circuitsCHANG YI-CHENG·Filed 2010·Granted Mar 25, 2014·8 cites·22 claims
- 0776US7285918B2Organic light emitting diode display and fabrication method thereofAU OPTRONICS CORP·Filed 2005·Granted Oct 23, 2007·5 cites·17 claims
- 0875US12382557B2Electronic device and control method thereofCARUX TECH PTE LTD·Filed 2023·Granted Aug 5, 2025·0 cites·20 claims
- 0975US8816782B2Phase locked loop circuit having a voltage controlled oscillator with improved bandwidthCHANG YI CHENG·Filed 2011·Granted Aug 26, 2014·5 cites·20 claims
- 1075US7439540B2Organic electroluminescent displayAU OPTRONICS CORP·Filed 2005·Granted Oct 21, 2008·6 cites·3 claims
- 1175US2025344299A1Electronic device and control method thereofCARUX TECH PTE LTD·Filed 2025·Application pending·0 cites
- 1274US9509111B1Coaxial terminal crimping toolHANLONG IND CO LTD·Filed 2016·Granted Nov 29, 2016·4 cites·13 claims
- 1372US10069410B1Multi-level power-domain voltage regulationNXP USA INC·Filed 2017·Granted Sep 4, 2018·3 cites·20 claims
- 1472US9639491B2Connection interface switching device for multiple portable devicesGOOD WAY TECH CO LTD·Filed 2014·Granted May 2, 2017·3 cites·10 claims
- 1572US2024347014A1Display device and backlight control method for display deviceINNOLUX CORP·Filed 2024·Application pending·0 cites
- 1668US8294643B2Pixel of displayCHANG YI-CHENG·Filed 2005·Granted Oct 23, 2012·2 cites·23 claims
- 1760US2025029547A1Electronic device and driving method for electronic deviceINNOLUX CORP·Filed 2024·Application pending·0 cites
- 1858US2025371493A1Inventory quantity calculation system for estimating inventory quantitiesINNOLUX CORP·Filed 2025·Application pending·0 cites
- 1955US2007267863A1Business card with multi-year calendarCHANG YI-CHENG·Filed 2006·Application pending·0 cites
- 2055US2024003944A1Electronic device and detection method thereofINNOLUX CORP·Filed 2023·Application pending·0 cites
- 2154US12300188B2Backlight device, transport device including backlight device, and control method thereofCARUX TECH PTE LTD·Filed 2023·Granted May 13, 2025·0 cites·6 claims
- 2253US11851435B2PTGR2 inhibitors and their useNATIONAL HEALTH RES INST·Filed 2022·Granted Dec 26, 2023·0 cites·22 claims
- 2353US2025279078A1Display deviceCARUX TECH PTE LTD·Filed 2025·Application pending·0 cites
- 2453US2025246103A1Electronic device and operation method thereofCARUX TECH PTE LTD·Filed 2024·Application pending·0 cites
- 2551US7205169B2Driving circuit for AMOLED display and driving method thereofAU OPTRONICS CORP·Filed 2006·Granted Apr 17, 2007·0 cites·23 claims
- 2650US11467202B2Diagnosis method of light-emitting device and electronic deviceINNOLUX CORP·Filed 2020·Granted Oct 11, 2022·0 cites·16 claims
- 2750US10720288B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2018·Granted Jul 21, 2020·0 cites·13 claims
- 2850US2025037629A1Vehicle display systemCARUX TECH PTE LTD·Filed 2024·Application pending·0 cites
- 2949US11217193B2Display device and signal-processing method thereofINNOLUX CORP·Filed 2020·Granted Jan 4, 2022·0 cites·14 claims
- 3049US2024329904A1Electronic device and control method thereofCARUX TECH PTE LTD·Filed 2024·Application pending·0 cites
- 3147US8253709B2Electronic device and method for predicting word inputCHANG HAN-ZEN·Filed 2009·Granted Aug 28, 2012·1 cites·18 claims
- 3247US7847774B2Active matrix organic light emitting diode (AMOLED) display, a pixel driving circuit, and a driving method thereofAU OPTRONICS CORP·Filed 2005·Granted Dec 7, 2010·0 cites·6 claims
- 3347US7507997B2Organic light-emitting displayAU OPTRONICS CORP·Filed 2006·Granted Mar 24, 2009·0 cites·20 claims
- 3445US2006007078A1Active matrix organic light emitting diode (AMOLED) display panel and a driving circuit thereofAU OPTRONICS CORP·Filed 2005·Application pending·0 cites
- 3545US2015062856A1Connection port configuring method and combined circuit board module mounted with multiple connection portsGOOD WAY TECHNOLOGY CO LTD·Filed 2013·Application pending·0 cites
- 3645US2020074914A1Display systems and display system operation methodsINNOLUX CORP·Filed 2019·Application pending·0 cites
- 3744US2025218317A1Display method of head-up display and head-up displayINNOLUX CORP·Filed 2024·Application pending·0 cites
- 3841US7138964B2Mobile unit with dual panel displayAU OPTRONICS CORP·Filed 2003·Granted Nov 21, 2006·0 cites·20 claims
- 3941US2025054453A1Electronic deviceCARUX TECH PTE LTD·Filed 2024·Application pending·0 cites
- 4040US2006043902A1Power supply device with built-in cord spool for a power transmission cordTSAI SUNG-LIN·Filed 2004·Application pending·0 cites
- 4136US10211815B2Systems and methods for supplying different voltage levels with shared currentFREESCALE SEMICONDUCTOR INC·Filed 2016·Granted Feb 19, 2019·0 cites·19 claims
- 4236US2003205971A1Organic light-emitting diode device with a function of lateral light utilization, method for utilizing the same and device with information display and back-light effectFiled 2003·Application pending·0 cites
- 4335US2006007173A1Combined digitizer tablet and external power supply device for an electronic apparatusTSAI SUNG-LIN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →