Inventor
LEE A RAM CHA
KR8 patents
Patents
8 patentsUS9263255B2Feb 16, 2016
Method for separating epitaxial layers from growth substrates, and semiconductor device using same
SEOUL VIOSYS CO LTD11 citations82
US10164150B2Dec 25, 2018
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US9882085B2Jan 30, 2018
Method for separating epitaxial layers from growth substrates, and semiconductor device using same
SEOUL VIOSYS CO LTD0 citations50
US9859108B2Jan 2, 2018
Substrate regeneration method and regenerated substrate
SEOUL VIOSYS CO LTD0 citations50
US9520533B2Dec 13, 2016
Ultraviolet light emitting device separated from growth substrate and method of fabricating the same
SEOUL VIOSYS CO LTD0 citations50
US9312447B2Apr 12, 2016
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US9224913B2Dec 29, 2015
Near UV light emitting device
SEOUL VIOSYS CO LTD1 citations50
US10177273B2Jan 8, 2019
UV light emitting device
SEOUL VIOSYS CO LTD0 citations39