Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With viewing layer of specified composition
Reexamination Certificate
2008-07-01
2008-07-01
Morris, Terrel (Department: 1794)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With viewing layer of specified composition
C252S585000, C252S299010, C349S115000, C349S176000
Reexamination Certificate
active
07393570
ABSTRACT:
A broad band cholesteric liquid crystal film of the present invention is a cholesteric liquid crystal film obtained by coating a liquid crystal mixture containing a polymerizable mesogen compound (a), a polymerizable chiral agent (b) and a photoisomerizable material (c) on a substrate to ultraviolet polymerize a coat of the liquid crystal mixture, and has a reflection bandwidth of 200 nm or more. A broad band cholesteric liquid crystal film of the present invention has a broad reflection band, is of a thin type and can be manufactured in less of manufacturing steps.
REFERENCES:
patent: 5430566 (1995-07-01), Sakaya et al.
patent: 5506704 (1996-04-01), Broer et al.
patent: 5518783 (1996-05-01), Kawata et al.
patent: 5691789 (1997-11-01), Li et al.
patent: 5731886 (1998-03-01), Taber et al.
patent: 5798057 (1998-08-01), Hikmet
patent: 6088077 (2000-07-01), De Wit et al.
patent: 6088079 (2000-07-01), Kameyama et al.
patent: 6099758 (2000-08-01), Verrall et al.
patent: 6175400 (2001-01-01), Duncan et al.
patent: 6319963 (2001-11-01), Coates et al.
patent: 6515785 (2003-02-01), Cobb et al.
patent: 6573963 (2003-06-01), Ouderkirk et al.
patent: 6849203 (2005-02-01), Farrand et al.
patent: 6961106 (2005-11-01), Kashima
patent: 7122227 (2006-10-01), Vaughan-Spickers et al.
patent: 2003/0072893 (2003-04-01), Nakano et al.
patent: 2004/0026660 (2004-02-01), Vaughan-Spickers et al.
patent: 0 606 940 (1999-04-01), None
patent: 6-281814 (1994-10-01), None
patent: 2561483 (1996-09-01), None
patent: 9-189811 (1997-07-01), None
patent: 10-321025 (1998-12-01), None
patent: EP 0881 509 (1998-12-01), None
patent: 11-248943 (1999-09-01), None
patent: 11-512849 (1999-11-01), None
patent: 2000321408 (2000-11-01), None
patent: 3272668 (2002-01-01), None
patent: 2002-308832 (2002-10-01), None
patent: 2002-338575 (2002-11-01), None
patent: 2003-262732 (2003-09-01), None
patent: 2004-523485 (2004-08-01), None
patent: WO 98/38547 (1998-09-01), None
patent: WO 02/40614 (2002-05-01), None
Abstract of JP 2000-347006, Yano, Dec. 2000.
Abstract of JP 06-082777, Sakatani et al, Mar. 1994.
Japanese Office Action dated May 8, 2007 (mailing date), issued in corresponding Japanese Patent Application No. 2004-002135.
Fukuoka Takahiro
Hara Kazutaka
Takahashi Naoki
Takeda Kentarou
Hon Sow-Fun
Morris Terrel
Nitto Denko Corporation
Westerman, Hattori, Daniels & Adrian , LLP.
LandOfFree
Broad-band-cholesteric liquid-crystal film, process for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Broad-band-cholesteric liquid-crystal film, process for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Broad-band-cholesteric liquid-crystal film, process for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2802243