YC

Yong-dok Cha

Samsung: 16 patents #8,525 of 75,807Top 15%
Overall (All Time): #295,506 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10775655 Display apparatus and back light unit included therein Jun-Mo YOO, Seung-Hun Chae, Han Mi Choi, Young-chol Lee, Nae Won Jang +2 more 2020-09-15
10401679 Display apparatus Jong Bin Kim, Jeong Shan NA, Young-chol Lee, Jae Hak Cho, Jean HUR 2019-09-03
10317732 Display apparatus with backlight unit Dae-Young Kim, Jong Bin Kim, Hyung Ki Kim, Young-Min Lee, Young-Wook Jung +1 more 2019-06-11
9664990 Illumination apparatus and projection-type image display apparatus having the same Sung Tae Kim 2017-05-30
9645477 Polarization LED module, and lighting device and projector having the same Sung Tae Kim 2017-05-09
9154774 Stereoscopic imaging system for forming three-dimensional stereoscopic images Jin Hyun Cho 2015-10-06
9057941 Reflection type screen for front projection display apparatus Jeong-ho Nho, Sung Tae Kim, Sang Hyun SOHN, Won-Yong Lee 2015-06-16
8830150 3D glasses and a 3D display apparatus Jeong-ho Nho 2014-09-09
8414129 Optical system Jae Hyun Park, Jeong-ho Nho, Sung Tae Kim, Won-Yong Lee 2013-04-09
8395601 Touch sensing system and display apparatus employing the same Jeong-ho Nho 2013-03-12
8384846 Backlight unit and liquid crystal display having the same Jae Hyun Park, Myung-ryul Jung, Jun Seok Park 2013-02-26
8026468 Projection display apparatus comprising a spatial-beam changing unit which changes spatial positions of beams Young-chol Lee, Sang Hyun SOHN, Seok Chan HONG 2011-09-27
7369736 Light tunnel, uniform light illuminating device and projector employing the same 2008-05-06
7145728 Projection apparatus 2006-12-05
7075727 Projection lens system for image projection apparatus Kee-uk Jeon 2006-07-11
6908199 Optical illumination system and image projection system including the same 2005-06-21