Assignee
HUGA OPTOTECH INC
TW·35 granted patents·18 pending applications·126 citations·filing 2006–2018
Top patents by PatentIndex Score
53 records- 0195US8378373B2Light-emitting deviceHUGA OPTOTECH INC·Filed 2010·Granted Feb 19, 2013·13 cites·20 claims
- 0293US8044422B2Semiconductor light emitting devices with a substrate having a plurality of bumpsHUGA OPTOTECH INC·Filed 2010·Granted Oct 25, 2011·11 cites·28 claims
- 0391US9231171B2Flexible LED assemblies and LED light bulbsHUGA OPTOTECH INC·Filed 2014·Granted Jan 5, 2016·12 cites·13 claims
- 0490US10319886B2LED assembly for omnidirectional light appliancesHUGA OPTOTECH INC·Filed 2018·Granted Jun 11, 2019·4 cites·20 claims
- 0589US9502622B2LED assemblyHUGA OPTOTECH INC·Filed 2014·Granted Nov 22, 2016·6 cites·18 claims
- 0687US7804104B2Light-emitting diode with high lighting efficiencyHUGA OPTOTECH INC·Filed 2009·Granted Sep 28, 2010·15 cites·11 claims
- 0784US9157579B2LED assembly with omnidirectional light fieldHUGA OPTOTECH INC·Filed 2014·Granted Oct 13, 2015·7 cites·20 claims
- 0882US7659557B2Semiconductor light-emitting device and method of fabricating the sameHUGA OPTOTECH INC·Filed 2007·Granted Feb 9, 2010·7 cites·9 claims
- 0979US7498607B2Epi-structure with uneven multi-quantum well and the method thereofHUGA OPTOTECH INC·Filed 2007·Granted Mar 3, 2009·7 cites·24 claims
- 1076US7408204B2Flip-chip packaging structure for light emitting diode and method thereofHUGA OPTOTECH INC·Filed 2006·Granted Aug 5, 2008·10 cites·6 claims
- 1171US7947991B2High efficiency lighting deviceHUGA OPTOTECH INC·Filed 2008·Granted May 24, 2011·5 cites·5 claims
- 1270US9115875B2LED light lamps using stack effect for improving heat dissipationHUGA OPTOTECH INC·Filed 2014·Granted Aug 25, 2015·3 cites·20 claims
- 1370US7973326B2Semiconductor structure combination for epitaxy of semiconductor optoelectronic deviceHUGA OPTOTECH INC·Filed 2007·Granted Jul 5, 2011·3 cites·15 claims
- 1469US7569420B2Flip-chip packaging method for light emitting diode with eutectic layer not overlapping insulating layerHUGA OPTOTECH INC·Filed 2008·Granted Aug 4, 2009·6 cites·10 claims
- 1568US2010101496A1Wafer carrier and epitaxy machine using the sameHUGA OPTOTECH INC·Filed 2009·Application pending·0 cites
- 1666US7956373B2Semiconductor light-emitting device with high light-extraction efficiencyHUGA OPTOTECH INC·Filed 2008·Granted Jun 7, 2011·3 cites·10 claims
- 1765US7923744B2Semiconductor light-emitting deviceHUGA OPTOTECH INC·Filed 2010·Granted Apr 12, 2011·1 cites·28 claims
- 1865US7915605B2LED packaged structure and applications of LED as light sourceHUGA OPTOTECH INC·Filed 2007·Granted Mar 29, 2011·2 cites·4 claims
- 1964US2009308319A1Wafer carrier and epitaxy machine using the sameHUGA OPTOTECH INC·Filed 2008·Application pending·0 cites
- 2063US9546762B2LED assemblyHUGA OPTOTECH INC·Filed 2014·Granted Jan 17, 2017·1 cites·16 claims
- 2163US7999273B2Light emitting device having pillar structure with roughness surface and the forming method thereofHUGA OPTOTECH INC·Filed 2009·Granted Aug 16, 2011·2 cites·18 claims
- 2263US7960749B2Light-emitting device structure and semiconductor wafer structure with the sameHUGA OPTOTECH INC·Filed 2009·Granted Jun 14, 2011·3 cites·24 claims
- 2363US7768027B2Semiconductor light-emitting deviceHUGA OPTOTECH INC·Filed 2008·Granted Aug 3, 2010·2 cites·19 claims
- 2462US9318676B2Light emitting device and methods for forming the sameHUGA OPTOTECH INC·Filed 2014·Granted Apr 19, 2016·0 cites·8 claims
- 2562US7928461B2Light-emitting diodeHUGA OPTOTECH INC·Filed 2009·Granted Apr 19, 2011·2 cites·24 claims
- 2658US9947839B2LED assemblyHUGA OPTOTECH INC·Filed 2016·Granted Apr 17, 2018·0 cites·20 claims
- 2755US2009200667A1Ohmic contact film in semiconductor deviceHUGA OPTOTECH INC·Filed 2009·Application pending·0 cites
- 2853US8362505B2Optical device and the forming method thereofHUGA OPTOTECH INC·Filed 2009·Granted Jan 29, 2013·0 cites·9 claims
- 2952US9831385B2Semiconductor light-emitting devicesHUGA OPTOTECH INC·Filed 2013·Granted Nov 28, 2017·0 cites·12 claims
- 3052US2008023835A1Ohmic contact film in semiconductor deviceHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 3150US9534747B2Light-emitting diode assembly and fabrication method thereofHUGA OPTOTECH INC·Filed 2014·Granted Jan 3, 2017·0 cites·10 claims
- 3250US7956374B2Semiconductor light-emitting deviceHUGA OPTOTECH INC·Filed 2008·Granted Jun 7, 2011·1 cites·6 claims
- 3350US2015003038A1Led assembly with omnidirectional light fieldHUGA OPTOTECH INC·Filed 2014·Application pending·0 cites
- 3449US7821017B2Light-emitting diode and method for fabricating the sameHUGA OPTOTECH INC·Filed 2009·Granted Oct 26, 2010·0 cites·12 claims
- 3548US7745837B2Semiconductor light-emitting device with high light-extraction efficiency and method for fabricating the sameHUGA OPTOTECH INC·Filed 2007·Granted Jun 29, 2010·0 cites·24 claims
- 3648US2010006862A1Substrate for fabricating light emitting device and light emitting device fabricated therefromHUGA OPTOTECH INC·Filed 2009·Application pending·0 cites
- 3747US9093602B2Semiconductor light emitting deviceHUGA OPTOTECH INC·Filed 2012·Granted Jul 28, 2015·0 cites·4 claims
- 3846US8013322B2Light-emitting diode device with a double-layer contact structure and a fabrication method thereofHUGA OPTOTECH INC·Filed 2008·Granted Sep 6, 2011·0 cites·20 claims
- 3946US7834368B2Light-emitting diode having additional stack structureHUGA OPTOTECH INC·Filed 2009·Granted Nov 16, 2010·0 cites·22 claims
- 4046US2010059773A1Semiconductor light-emitting deviceHUGA OPTOTECH INC·Filed 2008·Application pending·0 cites
- 4146US2009008626A1Optoelectronic deviceHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4246US2009008624A1Optoelectronic deviceHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4345US2008277686A1Light emitting device and method for making the sameHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4444US2009008657A1Semiconductor light-emitting device with low-density defects and method of fabricating the sameHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4544US2010025705A1High efficiency lighting device and manufacturing method thereofHUGA OPTOTECH INC·Filed 2008·Application pending·0 cites
- 4643US2008277678A1Light emitting device and method for making the sameHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4743US2009008625A1Optoelectronic deviceHUGA OPTOTECH INC·Filed 2007·Application pending·0 cites
- 4842US7737453B2Light emitting diode structureHUGA OPTOTECH INC·Filed 2007·Granted Jun 15, 2010·0 cites·9 claims
- 4939US2015137179A1Power deviceHUGA OPTOTECH INC·Filed 2013·Application pending·0 cites
- 5035US2009039366A1Semiconductor light-emitting device with high heat-dissipation efficiency and method for fabricating the sameHUGA OPTOTECH INC·Filed 2008·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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