Inventor
HWANG EU JIN
KR18 patents
⚠️ This page may combine multiple inventors who share the name “HWANG EU JIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEOUL OPTO DEVICE CO LTD
8 patentsUS7723737B2May 25, 2010
Light emitting device
SEOUL OPTO DEVICE CO LTD35 citations96
US7638414B2Dec 29, 2009
Method of forming nitride semiconductor layer on patterned substrate and light emitting diode having the same
SEOUL OPTO DEVICE CO LTD17 citations83
US8704246B2Apr 22, 2014
Light emitting device and method of manufacturing the same
SEOUL OPTO DEVICE CO LTD3 citations74
US8054002B2Nov 8, 2011
Light emitting device with light emitting cells arrayed
SEOUL OPTO DEVICE CO LTD5 citations63
US7977691B2Jul 12, 2011
Light emitting device and method of manufacturing the same
SEOUL OPTO DEVICE CO LTD0 citations52
US7951626B2May 31, 2011
Light emitting device and method of manufacturing the same
SEOUL OPTO DEVICE CO LTD0 citations52
US7901964B2Mar 8, 2011
Method of fabricating AC light emitting device having photonic crystal structure
SEOUL OPTO DEVICE CO LTD0 citations52
US7626209B2Dec 1, 2009
Light emitting diode having active region of multi quantum well structure
SEOUL OPTO DEVICE CO LTD1 citations51
SEOUL VIOSYS CO LTD
5 patentsUS9209223B2Dec 8, 2015
Light emitting device and method of manufacturing the same
SEOUL VIOSYS CO LTD19 citations92
US8895957B2Nov 25, 2014
Light emitting device and method of manufacturing the same
SEOUL VIOSYS CO LTD3 citations74
US10340309B2Jul 2, 2019
Light emitting device
SEOUL VIOSYS CO LTD0 citations52
US9929208B2Mar 27, 2018
Light emitting device
SEOUL VIOSYS CO LTD0 citations52
US9627435B2Apr 18, 2017
Light emitting device
SEOUL VIOSYS CO LTD0 citations52