Inventor · disambiguated record
Chih-Sung Chang
Also filed as: CHANG CHIH-SUNG
63 granted patents·25 pending applications·2,004 citations·filing 2000–2023
99Inventor score
Top patents by PatentIndex Score
88 records- 0198US7335522B2Package structure for light emitting diode and method thereofEPISTAR CORP·Filed 2005·Granted Feb 26, 2008·115 cites·7 claims
- 0298US7067340B1Flip-chip light emitting diode and fabricating method thereofEPISTAR CORP·Filed 2005·Granted Jun 27, 2006·76 cites·20 claims
- 0396US6786390B2LED stack manufacturing method and its structure thereofUNITED EPITAXY CO LTD·Filed 2003·Granted Sep 7, 2004·200 cites·19 claims
- 0495US6441403B1Semiconductor device with roughened surface increasing external quantum efficiencyUNITED EPITAXY CO LTD·Filed 2000·Granted Aug 27, 2002·164 cites·24 claims
- 0595US6410348B1Interface texturing for light-emitting deviceUNITED EPITAXY CO LTD·Filed 2000·Granted Jun 25, 2002·116 cites·14 claims
- 0694US6762069B2Method for manufacturing light-emitting element on non-transparent substrateUNITED EPITAXY CO LTD·Filed 2002·Granted Jul 13, 2004·153 cites·36 claims
- 0794US6649437B1Method of manufacturing high-power light emitting diodesUNITED EPITAXY CO LTD·Filed 2002·Granted Nov 18, 2003·136 cites·4 claims
- 0892US7030423B2Package structure for light emitting diode and method thereofEPISTAR CORP·Filed 2003·Granted Apr 18, 2006·72 cites·24 claims
- 0992US6319778B1Method of making light emitting diodeUNITED EPITAXY COMPANY INC·Filed 2000·Granted Nov 20, 2001·98 cites·12 claims
- 1091US7335926B2Package structure for light emitting diode and method thereofEPISTAR CORP·Filed 2005·Granted Feb 26, 2008·18 cites·6 claims
- 1190US7355209B2Light emitting diode and method making the sameEPISTAR CORP·Filed 2005·Granted Apr 8, 2008·19 cites·11 claims
- 1290US6586875B1Light emitting diode with low-temperature solder layerUNITED EPITAXY COMPANY INC·Filed 2000·Granted Jul 1, 2003·77 cites·15 claims
- 1390US6583443B1Light emitting diode and method of making the sameUNITED EPITAXY CO LTD·Filed 2002·Granted Jun 24, 2003·80 cites·22 claims
- 1489US6429460B1Highly luminous light emitting deviceUNITED EPITAXY CO LTD·Filed 2000·Granted Aug 6, 2002·85 cites·11 claims
- 1588US8035123B2High light-extraction efficiency light-emitting diode structureHIGH POWER OPTO INC·Filed 2009·Granted Oct 11, 2011·19 cites·3 claims
- 1688US6781160B1Semiconductor light emitting device and method for manufacturing the sameUNITED EPITAXY CO LTD·Filed 2003·Granted Aug 24, 2004·61 cites·30 claims
- 1786US6921924B2Semiconductor light-emitting deviceUNITED EPITAXY CO LTD·Filed 2003·Granted Jul 26, 2005·42 cites·6 claims
- 1885US6661028B2Interface texturing for light-emitting deviceUNITED EPITAXY CO LTD·Filed 2002·Granted Dec 9, 2003·58 cites·6 claims
- 1984US8716740B1Electrode structure for an LEDHIGH POWER OPTO INC·Filed 2012·Granted May 6, 2014·4 cites·10 claims
- 2084US6682950B2Light emitting diode and method of making the sameUNITED EPITAXY CO LTD·Filed 2001·Granted Jan 27, 2004·46 cites·34 claims
- 2183US6709883B2Light emitting diode and method of making the sameUNITED EPITAXY CO LTD·Filed 2001·Granted Mar 23, 2004·43 cites·14 claims
- 2283US6455343B1Method of manufacturing light emitting diode with current blocking structureUNITED EPITAXY CO LTD·Filed 2000·Granted Sep 24, 2002·46 cites·30 claims
- 2382US9690369B2Facial expression control system, facial expression control method, and computer system thereofWISTRON CORP·Filed 2013·Granted Jun 27, 2017·6 cites·15 claims
- 2482US9214601B1Electroluminescent and photoluminescent multiband white light emitting diodeHIGH POWER OPTO INC·Filed 2014·Granted Dec 15, 2015·4 cites·9 claims
- 2582US7754511B2Laser lift-off methodHIGH POWER OPTO INC·Filed 2008·Granted Jul 13, 2010·9 cites·3 claims
- 2680US8546831B1Reflection convex mirror structure of a vertical light-emitting diodeCHEN FU-BANG·Filed 2012·Granted Oct 1, 2013·5 cites·12 claims
- 2780US7012281B2Light emitting diode device and manufacturing methodEPISTAR CORP·Filed 2003·Granted Mar 14, 2006·35 cites·10 claims
- 2879US9893254B1Structure of high temperature resistant reflecting layer of light-emitting diodeHIGH POWER OPTO INC·Filed 2017·Granted Feb 13, 2018·4 cites·8 claims
- 2979US6462357B1Epitaxial growth of nitride compound semiconductorUNITED EPITAXY CO LTD·Filed 2000·Granted Oct 8, 2002·21 cites·21 claims
- 3078US9224911B2Method for separating light-emitting diode from a substrateYEN WEI-YU·Filed 2012·Granted Dec 29, 2015·3 cites·8 claims
- 3177US6458612B1Method of fabricating high efficiency light-emitting diode with a transparent substrateUNITED EPITAXY COMPANY INC·Filed 2001·Granted Oct 1, 2002·35 cites·20 claims
- 3275US6984852B2Package structure for light emitting diode and method thereofUNITED EPITAXY CO LTD·Filed 2004·Granted Jan 10, 2006·17 cites·18 claims
- 3374US7018859B2Method of fabricating AlGaInP light-emitting diode and structure thereofEPISTAR CORP·Filed 2004·Granted Mar 28, 2006·30 cites·13 claims
- 3473US6552369B2Light emitting diode and fabricating method thereofUNITED EPITAXY CO LTD·Filed 2001·Granted Apr 22, 2003·25 cites·17 claims
- 3572US8766303B2Light-emitting diode with a mirror protection layerYEN WEI-YU·Filed 2012·Granted Jul 1, 2014·2 cites·24 claims
- 3671US7768022B2Light emitting diode and fabricating method thereofEPISTAR CORP·Filed 2005·Granted Aug 3, 2010·4 cites·6 claims
- 3770US7498185B2Light emitting diode and method making the sameEPISTAR CORP·Filed 2008·Granted Mar 3, 2009·3 cites·11 claims
- 3869US9196798B2Semiconductor light-emitting device and fabricating method thereofHIGH POWER OPTO INC·Filed 2014·Granted Nov 24, 2015·1 cites·13 claims
- 3969US8896007B2Semiconductor light-emitting device and fabricating method thereofHIGH POWER OPTO INC·Filed 2013·Granted Nov 25, 2014·1 cites·5 claims
- 4068US8748928B2Continuous reflection curved mirror structure of a vertical light-emitting diodeHIGH POWER OPTO INC·Filed 2013·Granted Jun 10, 2014·1 cites·13 claims
- 4168US8552457B1Thermal stress releasing structure of a light-emitting diodeYEN WEI-YU·Filed 2012·Granted Oct 8, 2013·1 cites·6 claims
- 4268USD638377SHigh-power light emitting diode chipYAN LIANG-JYI·Filed 2010·Granted May 24, 2011·18 cites·1 claims
- 4368US7037741B2Compound semiconductor optoelectronic deviceEPISTAR CORP·Filed 2004·Granted May 2, 2006·21 cites·7 claims
- 4466US10243108B1Light emitting diode having continuous electrode structureHIGH POWER OPTO INC·Filed 2017·Granted Mar 26, 2019·1 cites·5 claims
- 4561US7652302B2Method of making light emitting diodeEPISTAR CORP·Filed 2005·Granted Jan 26, 2010·2 cites·23 claims
- 4661US2024395850A1Light-emitting diode with multiple p-type and n-type junctions and method for manufacturing sameHIGH POWER OPTO INC·Filed 2023·Application pending·0 cites
- 4757US2024170913A1Surface light emitting element with high heat dissipation and uniform light emissionHIGH POWER OPTO INC·Filed 2022·Application pending·0 cites
- 4856US9401465B2Light emitting diode having mirror protection layer and method for manufacturing mirror protection layerHIGH POWER OPTO INC·Filed 2014·Granted Jul 26, 2016·0 cites·11 claims
- 4956US6504183B1Epitaxial growth of nitride semiconductor deviceUNITED EPITAXY COMPANY·Filed 2000·Granted Jan 7, 2003·5 cites·10 claims
- 5053US8884323B2Semiconductor light-emitting deviceHIGH POWER OPTO INC·Filed 2013·Granted Nov 11, 2014·0 cites·11 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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