Inventor

GWAK WOO CHEOL

KR2 patents

Patents

2 patents

US12176458B2Dec 24, 2024

Light emitting device and manufacturing method thereof

SEOUL VIOSYS CO LTD0 citations57

US11658264B2May 23, 2023

Light emitting device having a substrate with a pattern of protrusions and manufacturing method thereof

SEOUL VIOSYS CO LTD0 citations57