Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2006-04-18
2006-04-18
Wu, Shean C. (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299010, C252S299500, C252S299640, C252S299650, C252S299670, C349S115000
Reexamination Certificate
active
07029729
ABSTRACT:
The invention provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor, and at least one non-liquid crystalline additive that is a non-liquid crystalline compound of formula IThe invention also provides cholesteric liquid crystal films and optical bodies formed from cholesteric liquid crystal compositions of the invention. The invention further provides an optical display that includes a display medium, and a reflective polarizer including a cholesteric liquid crystal composition in accordance with the invention.
REFERENCES:
patent: 4293435 (1981-10-01), Portugall et al.
patent: 4412059 (1983-10-01), Krigbaum et al.
patent: 4974941 (1990-12-01), Gibbons et al.
patent: 5032009 (1991-07-01), Gibbons et al.
patent: 5332522 (1994-07-01), Chen et al.
patent: 5389698 (1995-02-01), Chigrinov et al.
patent: 5442025 (1995-08-01), Spes et al.
patent: 5581905 (1996-12-01), Huelsman et al.
patent: 5602661 (1997-02-01), Schadt et al.
patent: 5691789 (1997-11-01), Mustafa et al.
patent: 5694701 (1997-12-01), Huelsman et al.
patent: 5709817 (1998-01-01), Siemensmeyer et al.
patent: 5744057 (1998-04-01), Meyer et al.
patent: 5759449 (1998-06-01), Shiro et al.
patent: 5780629 (1998-07-01), Etzbach et al.
patent: 5834112 (1998-11-01), Muraoka et al.
patent: 5838407 (1998-11-01), Chigrinov et al.
patent: 5847068 (1998-12-01), Maxein et al.
patent: 5886242 (1999-03-01), Etzbach et al.
patent: 5958293 (1999-09-01), Gibbons et al.
patent: 5958305 (1999-09-01), Shiro et al.
patent: 5969055 (1999-10-01), Nishikawa et al.
patent: 5989461 (1999-11-01), Coates et al.
patent: 5994212 (1999-11-01), Arakawa et al.
patent: 6001277 (1999-12-01), Ichimura et al.
patent: 6060042 (2000-05-01), Schuhmacher et al.
patent: 6071438 (2000-06-01), Eckhard et al.
patent: 6106743 (2000-08-01), Fan
patent: 6134808 (2000-10-01), Yapel et al.
patent: 6153722 (2000-11-01), Schoenfeld et al.
patent: 6159654 (2000-12-01), Machida et al.
patent: 6181395 (2001-01-01), Li et al.
patent: 6309561 (2001-10-01), Hasegawa et al.
patent: 6312769 (2001-11-01), Hiraoka et al.
patent: 6316170 (2001-11-01), Kawamonzen et al.
patent: 6395354 (2002-05-01), Sahouani et al.
patent: 6473143 (2002-10-01), Li et al.
patent: 6573963 (2003-06-01), Ouderkirk et al.
patent: 6620342 (2003-09-01), Burchill et al.
patent: 6805920 (2004-10-01), Nakano et al.
patent: 6876427 (2005-04-01), Bowley et al.
patent: 2002/0006479 (2002-01-01), Sekine et al.
patent: 2002/0113937 (2002-08-01), Ouderkirk et al.
patent: 2002/0159019 (2002-10-01), Pokorny et al.
patent: 2002/0180912 (2002-12-01), Hsieh et al.
patent: 2003/0063245 (2003-04-01), Bowley et al.
patent: 2003/0072893 (2003-04-01), Nakano et al.
patent: 0 834 754 (1997-03-01), None
patent: 1 072 649 (2001-01-01), None
patent: 2 357 291 (2001-06-01), None
patent: 08-166603 (1996-06-01), None
patent: H 9-133810 (1997-05-01), None
patent: H 9-304770 (1997-11-01), None
patent: H 10-54909 (1998-02-01), None
patent: H 10-142407 (1998-05-01), None
patent: 2001-213919 (2001-08-01), None
patent: 2001-316668 (2001-11-01), None
patent: 2001-318225 (2001-11-01), None
patent: 2001-354733 (2001-12-01), None
patent: 2001-354734 (2001-12-01), None
patent: WO 97/35219 (1997-02-01), None
“Cholesteric Structure-I Optical Properties”, J.L. Fergason,Molecular Crystals, Gordon and Breach Science Publishers, 1966, vol. 1, pp. 293-307.
“Cholesteric Structure-II Optical Properties”, J.L. Fergason, N.N. Goldberg and R.J. Nadalin,Molecular Crystals, Gordon and Breach Science Publishers, 1966, vol. 1, pp. 309-323.
“A Broadband Circularly Polarized Film (CPF)”, J.-S. Luh et al.IDW, pp. 529-532 (2002).
Pokorny Richard J.
Radcliffe Marc D.
Spawn Terence D.
3M Innovative Properties Company
Kobilansky Anna A.
Wu Shean C.
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