Inventor
CHANG CHIH-SUNG
TW63 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIH-SUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED EPITAXY CO LTD
19 patentsUS6441403B1Aug 27, 2002
Semiconductor device with roughened surface increasing external quantum efficiency
UNITED EPITAXY CO LTD164 citations99
US6786390B2Sep 7, 2004
LED stack manufacturing method and its structure thereof
UNITED EPITAXY CO LTD200 citations98
US6762069B2Jul 13, 2004
Method for manufacturing light-emitting element on non-transparent substrate
UNITED EPITAXY CO LTD153 citations98
US6649437B1Nov 18, 2003
Method of manufacturing high-power light emitting diodes
UNITED EPITAXY CO LTD136 citations98
US6583443B1Jun 24, 2003
Light emitting diode and method of making the same
UNITED EPITAXY CO LTD80 citations98
US6429460B1Aug 6, 2002
Highly luminous light emitting device
UNITED EPITAXY CO LTD85 citations97
US6410348B1Jun 25, 2002
Interface texturing for light-emitting device
UNITED EPITAXY CO LTD116 citations97
US6781160B1Aug 24, 2004
Semiconductor light emitting device and method for manufacturing the same
UNITED EPITAXY CO LTD61 citations96
US6661028B2Dec 9, 2003
Interface texturing for light-emitting device
UNITED EPITAXY CO LTD58 citations95
US6921924B2Jul 26, 2005
Semiconductor light-emitting device
UNITED EPITAXY CO LTD42 citations93
US6462357B1Oct 8, 2002
Epitaxial growth of nitride compound semiconductor
UNITED EPITAXY CO LTD21 citations93
US6984852B2Jan 10, 2006
Package structure for light emitting diode and method thereof
UNITED EPITAXY CO LTD17 citations92
US6709883B2Mar 23, 2004
Light emitting diode and method of making the same
UNITED EPITAXY CO LTD43 citations92
US6682950B2Jan 27, 2004
Light emitting diode and method of making the same
UNITED EPITAXY CO LTD46 citations92
US6455343B1Sep 24, 2002
Method of manufacturing light emitting diode with current blocking structure
UNITED EPITAXY CO LTD46 citations92
US6552369B2Apr 22, 2003
Light emitting diode and fabricating method thereof
UNITED EPITAXY CO LTD25 citations90
US6958496B2Oct 25, 2005
Light-emitting semiconductor device having enhanced brightness
UNITED EPITAXY CO LTD6 citations65
US6894323B2May 17, 2005
Group III nitride semiconductor device and its method of manufacture
UNITED EPITAXY CO LTD2 citations63
US6812067B2Nov 2, 2004
Method for integrating compound semiconductor with substrate or high thermal conductivity
UNITED EPITAXY CO LTD5 citations63
EPISTAR CORP
11 patentsUS7335522B2Feb 26, 2008
Package structure for light emitting diode and method thereof
EPISTAR CORP115 citations99
US7067340B1Jun 27, 2006
Flip-chip light emitting diode and fabricating method thereof
EPISTAR CORP76 citations98
US7030423B2Apr 18, 2006
Package structure for light emitting diode and method thereof
EPISTAR CORP72 citations98
US7335926B2Feb 26, 2008
Package structure for light emitting diode and method thereof
EPISTAR CORP18 citations92
US7012281B2Mar 14, 2006
Light emitting diode device and manufacturing method
EPISTAR CORP35 citations92
US7355209B2Apr 8, 2008
Light emitting diode and method making the same
EPISTAR CORP19 citations91
US7018859B2Mar 28, 2006
Method of fabricating AlGaInP light-emitting diode and structure thereof
EPISTAR CORP30 citations89
US7037741B2May 2, 2006
Compound semiconductor optoelectronic device
EPISTAR CORP21 citations87
US7498185B2Mar 3, 2009
Light emitting diode and method making the same
EPISTAR CORP3 citations61
US7768022B2Aug 3, 2010
Light emitting diode and fabricating method thereof
EPISTAR CORP4 citations60
US7652302B2Jan 26, 2010
Method of making light emitting diode
EPISTAR CORP2 citations60
HIGH POWER OPTO INC
11 patentsUS7754511B2Jul 13, 2010
Laser lift-off method
HIGH POWER OPTO INC9 citations83
USD686173SJul 16, 2013
LED chip
HIGH POWER OPTO INC7 citations82
US8035123B2Oct 11, 2011
High light-extraction efficiency light-emitting diode structure
HIGH POWER OPTO INC19 citations81
US8716740B1May 6, 2014
Electrode structure for an LED
HIGH POWER OPTO INC4 citations72
US9214601B1Dec 15, 2015
Electroluminescent and photoluminescent multiband white light emitting diode
HIGH POWER OPTO INC4 citations71
US9893254B1Feb 13, 2018
Structure of high temperature resistant reflecting layer of light-emitting diode
HIGH POWER OPTO INC4 citations67
US10243108B1Mar 26, 2019
Light emitting diode having continuous electrode structure
HIGH POWER OPTO INC1 citations61
US9401465B2Jul 26, 2016
Light emitting diode having mirror protection layer and method for manufacturing mirror protection layer
HIGH POWER OPTO INC0 citations51
US9196798B2Nov 24, 2015
Semiconductor light-emitting device and fabricating method thereof
HIGH POWER OPTO INC1 citations51
US9070830B2Jun 30, 2015
Electrode contact structure of light-emitting diode with improved roughness
HIGH POWER OPTO INC0 citations51
US8896007B2Nov 25, 2014
Semiconductor light-emitting device and fabricating method thereof
HIGH POWER OPTO INC1 citations51
UNITED EPITAXY COMPANY INC
3 patentsUS6586875B1Jul 1, 2003
Light emitting diode with low-temperature solder layer
UNITED EPITAXY COMPANY INC77 citations97
US6319778B1Nov 20, 2001
Method of making light emitting diode
UNITED EPITAXY COMPANY INC98 citations97
US6458612B1Oct 1, 2002
Method of fabricating high efficiency light-emitting diode with a transparent substrate
UNITED EPITAXY COMPANY INC35 citations89
YEN WEI-YU
2 patentsYAN LIANG-JYI
1 patentWISTRON CORP
1 patentUNITED EPITAXY COMPANY
1 patentCHEN FU-BANG
1 patentShowing the top 50 of 63 patents by PatentIndex Score.