Inventor
OU CHEN
TW66 patents
⚠️ This page may combine multiple inventors who share the name “OU CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EPISTAR CORP
42 patentsUS7385226B2Jun 10, 2008
Light-emitting device
EPISTAR CORP59 citations95
US7095765B2Aug 22, 2006
Light emitter with a voltage dependent resistor layer
EPISTAR CORP21 citations93
US6936860B2Aug 30, 2005
Light emitting diode having an insulating substrate
EPISTAR CORP50 citations91
US7132695B2Nov 7, 2006
Light emitting diode having a dual dopant contact layer
EPISTAR CORP23 citations90
US7355210B2Apr 8, 2008
High-efficiency light-emitting element
EPISTAR CORP49 citations89
USD1062026SFeb 11, 2025
Light-emitting device
EPISTAR CORP5 citations84
US9608162B2Mar 28, 2017
Light-emitting device having a patterned surface
EPISTAR CORP6 citations84
US9257604B2Feb 9, 2016
Light-emitting device having a patterned surface
EPISTAR CORP9 citations84
US9768227B2Sep 19, 2017
Light-emitting element having a plurality of light-emitting structures
EPISTAR CORP8 citations81
US9011638B2Apr 21, 2015
Chip sorting apparatus
EPISTAR CORP5 citations81
USD1012330SJan 23, 2024
Light-emitting diode device
EPISTAR CORP2 citations73
US11757077B2Sep 12, 2023
Light-emitting device
EPISTAR CORP2 citations73
US10181549B2Jan 15, 2019
Light-emitting device having a patterned surface
EPISTAR CORP2 citations73
US9847451B2Dec 19, 2017
Light-emitting device having a patterned surface
EPISTAR CORP2 citations73
US12230736B2Feb 18, 2025
Semiconductor light-emitting device and semiconductor light-emitting component
EPISTAR CORP2 citations72
USD972769SDec 13, 2022
Light-emitting device
EPISTAR CORP3 citations71
US10784427B2Sep 22, 2020
Light-emitting diode device
EPISTAR CORP2 citations71
US10505092B2Dec 10, 2019
Light-emitting diode device
EPISTAR CORP2 citations71
US10134947B2Nov 20, 2018
Light emitting device and method of fabricating the same
EPISTAR CORP2 citations71
USD1114750SFeb 24, 2026
Light-emitting diode device
EPISTAR CORP0 citations62
USD1113775SFeb 17, 2026
Light-emitting diode device
EPISTAR CORP0 citations62
US12155019B2Nov 26, 2024
Light-emitting device
EPISTAR CORP0 citations62
US11990575B2May 21, 2024
Light-emitting device
EPISTAR CORP0 citations62
US11705545B2Jul 18, 2023
Light-emitting device
EPISTAR CORP0 citations62
US8562738B2Oct 22, 2013
Nitride-based light-emitting device
EPISTAR CORP2 citations62
US7928424B2Apr 19, 2011
Nitride-based light-emitting device
EPISTAR CORP2 citations62
US7497905B2Mar 3, 2009
Ternary nitride-based buffer layer of a nitride-based light-emitting device and a method for manufacturing the same
EPISTAR CORP4 citations62
US11961939B2Apr 16, 2024
Method of manufacturing a light-emitting device
EPISTAR CORP0 citations61
US11430934B2Aug 30, 2022
Light-emitting diode device
EPISTAR CORP0 citations61
US11398583B2Jul 26, 2022
Light-emitting device
EPISTAR CORP0 citations61
US7705344B2Apr 27, 2010
Light-emitting device
EPISTAR CORP4 citations60
US10930701B2Feb 23, 2021
Light-emitting element having a plurality of light-emitting structures
EPISTAR CORP1 citations59
US12364067B2Jul 15, 2025
Semiconductor device
EPISTAR CORP0 citations58
US12514027B2Dec 30, 2025
Semiconductor photo-detecting device
EPISTAR CORP0 citations57
US11935981B2Mar 19, 2024
Semiconductor photo-detecting device
EPISTAR CORP0 citations57
US11424383B2Aug 23, 2022
Semiconductor device
EPISTAR CORP0 citations57
US12166151B2Dec 10, 2024
Light-emitting device and display device having the same
EPISTAR CORP0 citations53
US10522715B2Dec 31, 2019
Light-emitting device having a patterned surface
EPISTAR CORP0 citations52
US9876139B2Jan 23, 2018
Light-emitting device
EPISTAR CORP0 citations52
US9640731B2May 2, 2017
Light emitting diode structure
EPISTAR CORP1 citations52
US9530940B2Dec 27, 2016
Light-emitting device with high light extraction
EPISTAR CORP0 citations52
US8866174B2Oct 21, 2014
Light-emitting device
EPISTAR CORP0 citations52
OU CHEN
3 patentsHSU TZU-CHIEH
1 patentCHUANG CHIA-MING
1 patentHSU CHEN-KE
1 patentKO TSUN-KAI
1 patentSHEN CHIEN-FU
1 patentShowing the top 50 of 66 patents by PatentIndex Score.