Inventor
KWAK CHANG HOON
KR16 patents
⚠️ This page may combine multiple inventors who share the name “KWAK CHANG HOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG LED CO LTD
5 patentsUS7832312B2Nov 16, 2010
Composite phosphor powder, light emitting device using the same and method for manufacturing composite phosphor powder
SAMSUNG LED CO LTD5 citations71
US7804239B2Sep 28, 2010
White light emitting diode
SAMSUNG LED CO LTD2 citations62
US7911127B2Mar 22, 2011
Phosphor blend for wavelength conversion and white light emitting device using the same
SAMSUNG LED CO LTD3 citations61
US8012792B2Sep 6, 2011
Composite phosphor powder, light emitting device using the same and method for manufacturing composite phoshpor powder
SAMSUNG LED CO LTD3 citations60
US7999456B2Aug 16, 2011
White light emitting diode with yellow, green and red light emitting phosphor
SAMSUNG LED CO LTD1 citations51
SAMSUNG ELECTRONICS CO LTD
4 patentsUS9722146B2Aug 1, 2017
Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing LED package and LED package manufactured thereby
SAMSUNG ELECTRONICS CO LTD4 citations72
US8378568B2Feb 19, 2013
White light emitting diode with yellow, green and red light emitting phosphors
SAMSUNG ELECTRONICS CO LTD5 citations72
US10361351B2Jul 23, 2019
Semiconductor light emitting element package including solder bump
SAMSUNG ELECTRONICS CO LTD3 citations69
US9142737B2Sep 22, 2015
Light emitting device surrounded by reflection wall and covered with fluorescent film
SAMSUNG ELECTRONICS CO LTD0 citations50