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Gang Xu
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Northville, MI, US
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last 30 patents
Information
Patent Grant
Normally white twisted nematic LCD with positive uniaxial and negat...
Patent number
6,292,242
Issue date
Sep 18, 2001
OIS Optical Imaging Systems, Inc.
John A. VanderPloeg
G02 - OPTICS
Information
Patent Grant
Normally white LCD including first and second biaxial retarders
Patent number
6,229,588
Issue date
May 8, 2001
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Liquid crystal display having high contrast viewing zone centered i...
Patent number
6,226,065
Issue date
May 1, 2001
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with optical compensator
Patent number
6,169,590
Issue date
Jan 2, 2001
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with first and second tilted retarders
Patent number
6,057,901
Issue date
May 2, 2000
OIS Optical Imaging Sytems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic liquid crystal display including ret...
Patent number
6,028,651
Issue date
Feb 22, 2000
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with positive and negative retar...
Patent number
6,023,317
Issue date
Feb 8, 2000
OIS Optical Imaging Systems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic liquid crystal display including ret...
Patent number
5,907,378
Issue date
May 25, 1999
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
NW twisted nematic LCD with negative tilted retarders on one side o...
Patent number
5,895,106
Issue date
Apr 20, 1999
OIS Optical Imaging Systems, Inc.
John A. VanderPloeg
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with positive uniaxial and nebat...
Patent number
5,859,681
Issue date
Jan 12, 1999
OIS Optical Imaging Systems, Inc.
John A. VanderPloeg
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with patterned retardation films
Patent number
5,818,615
Issue date
Oct 6, 1998
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with positive uniaxial and negat...
Patent number
5,793,458
Issue date
Aug 11, 1998
OIS Optical Imaging Systems, Inc.
John A. VanderPloeg
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with two positive tilted retardation films a...
Patent number
5,777,709
Issue date
Jul 7, 1998
OIS Optical Imaging Systems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with positive and negative retar...
Patent number
5,739,881
Issue date
Apr 14, 1998
OIS Optical Imaging Systems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
Liquid crystal display having high contrast viewing zone centered i...
Patent number
5,737,048
Issue date
Apr 7, 1998
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
LCD with reduced canopy reflection
Patent number
5,715,028
Issue date
Feb 3, 1998
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Method of making and using a normally white twisted nematic LCD wit...
Patent number
5,706,068
Issue date
Jan 6, 1998
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
LCD including a negative biaxial retarder on each side of the liqui...
Patent number
5,694,187
Issue date
Dec 2, 1997
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with positive and negative retar...
Patent number
5,657,140
Issue date
Aug 12, 1997
OIS Optical Imaging Systems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with tilted retardation film
Patent number
5,638,200
Issue date
Jun 10, 1997
OIS Optical Imaging Systems, Inc.
Gang Xu
G02 - OPTICS
Information
Patent Grant
LCD with a pair of retardation films on one side of normally white...
Patent number
5,594,568
Issue date
Jan 14, 1997
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
LCD with reduced canopy reflection having a retarder of 220-320 nm...
Patent number
5,579,139
Issue date
Nov 26, 1996
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Liquid crystal display having a retarder with 100-200nm retardation...
Patent number
5,576,861
Issue date
Nov 19, 1996
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Normally white twisted nematic LCD with retardation films on opposi...
Patent number
5,570,214
Issue date
Oct 29, 1996
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with patterned retardation films
Patent number
5,499,126
Issue date
Mar 12, 1996
OIS Optical Imaging Systems, Inc.
Adiel Abileah
G02 - OPTICS