Inventor
YOON SEONG BOK
KR18 patents
⚠️ This page may combine multiple inventors who share the name “YOON SEONG BOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO LED CO LTD
7 patentsUS8766550B1Jul 1, 2014
AC LED lighting apparatus using voltage edge detector
POSCO LED CO LTD28 citations92
US8760064B1Jun 24, 2014
LED lighting apparatus with improved total harmonic distortion in source current
POSCO LED CO LTD12 citations84
US9041303B2May 26, 2015
AC LED lighting apparatus
POSCO LED CO LTD8 citations80
US9070845B2Jun 30, 2015
Optical semiconductor lighting apparatus
POSCO LED CO LTD5 citations79
US9117733B2Aug 25, 2015
Light emitting module and lighting apparatus having the same
POSCO LED CO LTD0 citations51
US8915618B2Dec 23, 2014
Optical semiconductor lighting apparatus
POSCO LED CO LTD1 citations51
US9356207B2May 31, 2016
Optical semiconductor lighting apparatus
POSCO LED CO LTD0 citations47
LUMENS CO LTD
6 patentsUS9854638B1Dec 26, 2017
Lighting apparatus
LUMENS CO LTD2 citations71
US11043617B2Jun 22, 2021
LED display device
LUMENS CO LTD0 citations62
US10305004B2May 28, 2019
Light emitting diode display apparatus
LUMENS CO LTD1 citations62
US10085319B1Sep 25, 2018
Lighting apparatus
LUMENS CO LTD1 citations60
US10368415B2Jul 30, 2019
Lighting apparatus
LUMENS CO LTD0 citations50
US10045416B2Aug 7, 2018
Lighting apparatus
LUMENS CO LTD0 citations50