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Sang Un Choi
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Kyoungki-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
VVA-mode liquid crystal display
Patent number
7,064,348
Issue date
Jun 20, 2006
Boe-Hydis Technology Co., Ltd.
Sung Woon Kim
G02 - OPTICS
Information
Patent Grant
Method for forming ultra fine contact holes in semiconductor devices
Patent number
7,001,710
Issue date
Feb 21, 2006
Sang-Tae Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display
Patent number
6,943,860
Issue date
Sep 13, 2005
Boe-Hydis Technology Co., Ltd.
Seung Ho Hong
G02 - OPTICS
Information
Patent Grant
Color polymer dispersed liquid crystal display and method for manuf...
Patent number
6,909,476
Issue date
Jun 21, 2005
Boe-Hydis Technology Co., Ltd.
Soo Young Choi
G02 - OPTICS
Information
Patent Grant
VVA mode LCD
Patent number
6,905,902
Issue date
Jun 14, 2005
Boe-Hydis Technology Co., Ltd.
Seong Wook Shin
G02 - OPTICS
Information
Patent Grant
Reflective liquid crystal display device using a reflective plate h...
Patent number
6,473,145
Issue date
Oct 29, 2002
Hyundai Display Technology Inc.
Hwan Soo Shim
G02 - OPTICS
Information
Patent Grant
Method for forming a reflector of a reflective crystal display
Patent number
6,466,287
Issue date
Oct 15, 2002
Hyundai Display Technology Inc.
Hwan Su Shim
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
VVA-mode liquid crystal display
Publication number
20060102898
Publication date
May 18, 2006
Boe Hydis Technology Co., Ltd.
Sung Woon Kim
G02 - OPTICS
Information
Patent Application
Liquid crystal display
Publication number
20040252265
Publication date
Dec 16, 2004
Jung Ho Ma
G02 - OPTICS
Information
Patent Application
VVA MODE LCD
Publication number
20040201790
Publication date
Oct 14, 2004
Seong Wook Shin
G02 - OPTICS
Information
Patent Application
Color polymer dispersed liquid crystal display and method for manuf...
Publication number
20040189893
Publication date
Sep 30, 2004
Soo Young Choi
G02 - OPTICS
Information
Patent Application
Liquid crystal display
Publication number
20040125276
Publication date
Jul 1, 2004
Seung Ho Hong
G02 - OPTICS
Information
Patent Application
VVA mode liquid crystal display
Publication number
20040080695
Publication date
Apr 29, 2004
Sang Un Choi
G02 - OPTICS
Information
Patent Application
Method for forming ultra fine contact holes in semiconductor devices
Publication number
20040072104
Publication date
Apr 15, 2004
Sang-Tae Choi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid crystal display with black matrix of low reflectivity
Publication number
20010003470
Publication date
Jun 14, 2001
Sang Un Choi
G02 - OPTICS