Inventor
CHOI HYO SHIK
KR12 patents
Patents
12 patentsUS11049995B2Jun 29, 2021
High-efficiency long-wavelength light-emitting device
SEOUL VIOSYS CO LTD7 citations82
US9911898B2Mar 6, 2018
Ultraviolet light-emitting device
SEOUL VIOSYS CO LTD0 citations51
US9577144B2Feb 21, 2017
Ultraviolet light-emitting device
SEOUL VIOSYS CO LTD0 citations51
US9543476B2Jan 10, 2017
UV light emitting diode and method of fabricating the same
SEOUL VIOSYS CO LTD0 citations51
US9093595B2Jul 28, 2015
Photo detection device
SEOUL VIOSYS CO LTD0 citations51
US11658263B2May 23, 2023
Method of fabricating a light emitting device having a stacked structure
SEOUL VIOSYS CO LTD0 citations50
US10164150B2Dec 25, 2018
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US9312447B2Apr 12, 2016
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US9252012B2Feb 2, 2016
Method of fabricating a nitride substrate
SEOUL VIOSYS CO LTD0 citations50
US9224913B2Dec 29, 2015
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US10374123B2Aug 6, 2019
UV light emitting device
SEOUL VIOSYS CO LTD0 citations45
US10177273B2Jan 8, 2019
UV light emitting device
SEOUL VIOSYS CO LTD0 citations39