Inventor
CHO KUN-HO
KR110 patents
⚠️ This page may combine multiple inventors who share the name “CHO KUN-HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
48 patentsUS6222812B1Apr 24, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD60 citations96
US5665957ASep 9, 1997
Lens device comprising light blocking means and an optical pickup apparatus using the lens device
SAMSUNG ELECTRONICS CO LTD94 citations96
US7097308B2Aug 29, 2006
Highly efficient projection system
SAMSUNG ELECTRONICS CO LTD36 citations93
US6971748B2Dec 6, 2005
High-resolution display including pixel moving optical system
SAMSUNG ELECTRONICS CO LTD24 citations93
US6547398B2Apr 15, 2003
Projection-type image display apparatus and method
SAMSUNG ELECTRONICS CO LTD28 citations93
US6449237B1Sep 10, 2002
Optical recording and pickup head for digital versatile disc compatible with read-writable compact disc by adopting flat plate lens having staircase type diffraction grating structure
SAMSUNG ELECTRONICS CO LTD20 citations93
US6091691AJul 18, 2000
Optical pickup having an objective lens compatible with a plurality of optical disk formats
SAMSUNG ELECTRONICS CO LTD38 citations93
US5822135AOct 13, 1998
Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
SAMSUNG ELECTRONICS CO LTD22 citations93
US8358387B2Jan 22, 2013
Liquid crystal display and LED module thereof
SAMSUNG ELECTRONICS CO LTD19 citations92
US7088664B2Aug 8, 2006
Reflection type compound prism and optical pickup apparatus employing the same
SAMSUNG ELECTRONICS CO LTD49 citations92
US6824270B2Nov 30, 2004
Single-panel color image display apparatus and scrolling method
SAMSUNG ELECTRONICS CO LTD36 citations92
US6791933B1Sep 14, 2004
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD18 citations92
US6275461B1Aug 14, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD25 citations92
US5777973AJul 7, 1998
Reproducing and recording optical pickup compatible with discs having different thicknesses
SAMSUNG ELECTRONICS CO LTD37 citations92
US6337841B1Jan 8, 2002
Compatible optical pickup
SAMSUNG ELECTRONICS CO LTD49 citations91
US5933401AAug 3, 1999
Optical pickup having plural optical sources and plural optical detectors
SAMSUNG ELECTRONICS CO LTD35 citations91
US5907530AMay 25, 1999
Optical pickup device
SAMSUNG ELECTRONICS CO LTD25 citations91
US7327410B2Feb 5, 2008
High resolution 3-D image display with liquid crystal shutter array
SAMSUNG ELECTRONICS CO LTD20 citations89
US8979294B2Mar 17, 2015
Curved display device
SAMSUNG ELECTRONICS CO LTD15 citations84
US7889152B2Feb 15, 2011
Direct viewing type stereoscopic image display apparatus which can remove moire pattern
SAMSUNG ELECTRONICS CO LTD7 citations84
US7789516B2Sep 7, 2010
Projection type image display device
SAMSUNG ELECTRONICS CO LTD9 citations84
US7607780B2Oct 27, 2009
Projection-type 3-D image display using single projector
SAMSUNG ELECTRONICS CO LTD8 citations84
US7439938B2Oct 21, 2008
Multi-display apparatus having an optical path changing device
SAMSUNG ELECTRONICS CO LTD19 citations84
US7287858B2Oct 30, 2007
Color separating unit and projection type image display apparatus employing the same
SAMSUNG ELECTRONICS CO LTD16 citations84
US7119964B2Oct 10, 2006
Color illuminating system and projection type image display apparatus using the same
SAMSUNG ELECTRONICS CO LTD12 citations84
US6921171B2Jul 26, 2005
Color scrolling projection system
SAMSUNG ELECTRONICS CO LTD17 citations84
US6869189B2Mar 22, 2005
Illumination optical unit employing dichroic mirror wheel and image display system including the illumination optical unit
SAMSUNG ELECTRONICS CO LTD15 citations84
US6430139B1Aug 6, 2002
Objective lens for high-density optical focusing, and optical pickup using the same
SAMSUNG ELECTRONICS CO LTD18 citations84
US6359850B1Mar 19, 2002
Optical pickup having catadioptric objective lens
SAMSUNG ELECTRONICS CO LTD14 citations84
US7448756B2Nov 11, 2008
Slim optical projection system and image display apparatus employing the same
SAMSUNG ELECTRONICS CO LTD13 citations82
US7177260B2Feb 13, 2007
Optical pickup including a many-sided reflection prism and method of using the optical pickup
SAMSUNG ELECTRONICS CO LTD10 citations82
US6798732B2Sep 28, 2004
Near-field optical storage medium and optical data storage system therefor
SAMSUNG ELECTRONICS CO LTD11 citations82
US9366398B2Jun 14, 2016
Backlight unit and liquid crystal display apparatus having the same
SAMSUNG ELECTRONICS CO LTD8 citations76
US7210787B2May 1, 2007
High efficiency projection system and method of forming color image using the same
SAMSUNG ELECTRONICS CO LTD7 citations74
US7200098B2Apr 3, 2007
Objective lens for high-density optical focusing and an optical disk in an optical pickup
SAMSUNG ELECTRONICS CO LTD6 citations74
US7177084B2Feb 13, 2007
Optical combining device
SAMSUNG ELECTRONICS CO LTD8 citations74
US7113343B2Sep 26, 2006
Optical combining device
SAMSUNG ELECTRONICS CO LTD6 citations74
US7090359B2Aug 15, 2006
Scrolling unit, color illuminating system, and projection system using the scrolling unit
SAMSUNG ELECTRONICS CO LTD8 citations74
US7048381B2May 23, 2006
Cylindrical lens array for scrolling colors, projection system using same, and scrolling method
SAMSUNG ELECTRONICS CO LTD7 citations74
US6938890B2Sep 6, 2005
Objective lens for high-density optical focusing and an optical disk in an optical pickup
SAMSUNG ELECTRONICS CO LTD10 citations74
US6913360B2Jul 5, 2005
Single-panel color image display apparatus
SAMSUNG ELECTRONICS CO LTD7 citations74
US6843567B2Jan 18, 2005
Highly efficient scrolling projection system and method
SAMSUNG ELECTRONICS CO LTD10 citations74
US6619801B2Sep 16, 2003
Projection type image display apparatus realizing three-dimensional image
SAMSUNG ELECTRONICS CO LTD9 citations74
US6400666B1Jun 4, 2002
Optical pickup device
SAMSUNG ELECTRONICS CO LTD7 citations74
US6272096B2Aug 7, 2001
Optical pickup using an optical phase plate
SAMSUNG ELECTRONICS CO LTD9 citations74
US6233217B1May 15, 2001
Optical pickup for recording/reproduction with a light emitting diode light source
SAMSUNG ELECTRONICS CO LTD8 citations74
US6198714B1Mar 6, 2001
Optical pickup having an objective lens compatible with a plurality of optical disk formats
SAMSUNG ELECTRONICS CO LTD14 citations74
US5987924ANov 23, 1999
Lens mold and method of manufacturing a lens
SAMSUNG ELECTRONICS CO LTD12 citations74
HUR GIL TAE
1 patentCHOI SUK JU
1 patentShowing the top 50 of 110 patents by PatentIndex Score.