Inventor
CHA YONG-DOK
KR16 patents
⚠️ This page may combine multiple inventors who share the name “CHA YONG-DOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
12 patentsUS9057941B2Jun 16, 2015
Reflection type screen for front projection display apparatus
SAMSUNG ELECTRONICS CO LTD6 citations72
US8384846B2Feb 26, 2013
Backlight unit and liquid crystal display having the same
SAMSUNG ELECTRONICS CO LTD6 citations72
US7145728B2Dec 5, 2006
Projection apparatus
SAMSUNG ELECTRONICS CO LTD9 citations72
US6908199B2Jun 21, 2005
Optical illumination system and image projection system including the same
SAMSUNG ELECTRONICS CO LTD8 citations72
US7369736B2May 6, 2008
Light tunnel, uniform light illuminating device and projector employing the same
SAMSUNG ELECTRONICS CO LTD6 citations61
US7075727B2Jul 11, 2006
Projection lens system for image projection apparatus
SAMSUNG ELECTRONICS CO LTD6 citations61
US10775655B2Sep 15, 2020
Display apparatus and back light unit included therein
SAMSUNG ELECTRONICS CO LTD1 citations60
US8026468B2Sep 27, 2011
Projection display apparatus comprising a spatial-beam changing unit which changes spatial positions of beams
SAMSUNG ELECTRONICS CO LTD5 citations60
US9664990B2May 30, 2017
Illumination apparatus and projection-type image display apparatus having the same
SAMSUNG ELECTRONICS CO LTD1 citations51
US10317732B2Jun 11, 2019
Display apparatus with backlight unit
SAMSUNG ELECTRONICS CO LTD0 citations49
US9645477B2May 9, 2017
Polarization LED module, and lighting device and projector having the same
SAMSUNG ELECTRONICS CO LTD0 citations41
US10401679B2Sep 3, 2019
Display apparatus
SAMSUNG ELECTRONICS CO LTD0 citations39