Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With charge transferring layer of specified composition
Patent
1998-08-10
2000-05-02
Wu, Shean O.
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With charge transferring layer of specified composition
25229961, 25229962, 25229963, 349139, 349143, 349145, 349174, 349184, C09K 1902, C09K 1934, G02F 11335, G02F 11343
Patent
active
060570075
ABSTRACT:
A tristable liquid crystal display device comprises (a) first and second opposed substrates, at least one bearing an alignment coating and each bearing at least one electrode so as to define one or a plurality of pixels; (b) a tilted smectic or induced tilted smectic liquid crystal composition disposed between the substrates; and (c) a pair of orthogonally disposed polarizers, each having a polarization axis, one polarization axis being aligned with the zero field optical axis of a tilted smectic or induced tilted smectic mesophase of the liquid crystal composition; wherein the substrates are disposed so as to provide an alignment of the liquid crystal composition, the composition comprising at least one chiral liquid crystal compound that can be represented by the following formula:
REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.
patent: 4886619 (1989-12-01), Janulis
patent: 5082587 (1992-01-01), Janulis
patent: 5254747 (1993-10-01), Janulis
patent: 5262082 (1993-11-01), Janulis et al.
patent: 5377033 (1994-12-01), Radcliffe
patent: 5399291 (1995-03-01), Janulis et al.
patent: 5399701 (1995-03-01), Janulis
patent: 5437812 (1995-08-01), Janulis et al.
patent: 5474705 (1995-12-01), Janulis et al.
patent: 5482650 (1996-01-01), Janulis et al.
patent: 5559620 (1996-09-01), Tanaka et al.
patent: 5587106 (1996-12-01), Mizukami et al.
patent: 5631752 (1997-05-01), Tanaka
patent: 5658491 (1997-08-01), Kistner et al.
patent: 5702637 (1997-12-01), Johnson et al.
patent: 5750214 (1998-05-01), Ito et al.
patent: 5798056 (1998-08-01), Nakamura
patent: 5841497 (1998-11-01), Sato et al.
patent: 5855812 (1999-01-01), Radcliffe et al.
patent: 5948317 (1999-09-01), Sato
Collings, "Liquid Crystals: Natures Delicate Phase of Matter," pp. 100-103, (1990).
Collings, "Introduction to Liquid Crystals Chemistry and Physics," pp. 271-285, (1997).
Arakawa, "Novel Liquid Crystal Mixtures for a Surface-Stabilized Ferroelectric LDC," Liquid Crystals, vol. 23, No. 5, pp. 659-666, (1997).
Seomun et al., "Evolution of Switching Characteristics from Tristable to V-Shaped in an Apparently Antiferroelectric Liquid Crystal," Japanese Journal of Applied Physics, vol. 36, Pt. 1, No. 6A, (1997).
Okada et al., "New Display Mode of Ferroelectric Liquid Crystals with Large Tilt Angle," Ferroelectrics, vol. 149, pp. 171-181, (1993).
Crossland et al., "Addressing Requirements for Chiral Smectic Liquid Crystal Active Backplane Spatial Light Modulators," Ferroelectrics, vol. 149, pp. 361-374, (1993).
Verhulst, "Analytical Modelling of Active-Matrix Driving of Liquid Crystals with Spontaneous Polarization," Japanese Journal of Applied Physics, vol. 36, pp. 720-729, (1997).
Dijon, "Ferroelectric LCD's in Liquid Crystals Applications and Uses," vol. 1, Birenda Bahadur ed., pp. 330-333, World Scientific Publishing Ltd., NJ, (1990).
Clark et al., "Submicrosecond Bistable Electro-Optic Switching in Liquid Crystals," Appl. Phys. Lett. 36, pp. 899-901, (1980).
Meyer et al., "Ferroelectric Liquid Crystals," J. Physique, 36, pp. 1-69, (1975).
Skarp et al., "Helical Pitches and Tilt Angles in Room Temperature Ferroelectric Chiral Smectic C Liquid Crystals," Japanese Journal of Applied Physics, vol. 22, No. 4, pp. 566-568, (1983).
Chandani et al., "Tristable Switching in Surface Stabilized Ferroelectric Liquid Crystals with a Large Spontaneous Polarization," Japanese Journal of Applied Physics, vol. 27, No. 5, pp. L-729-L732, (1988).
Inui et al., "Thresholdless Antiferroelectricity in Liquid Crystals and its Application to Displays," J. Mater. Chem., 6(4), pp. 671-673 (1996).
Arakawa et al., "Synthesis of Fluorine-Containing Ferroelectric Liquid Crystals," Mol. Cryst. Liq. Cryst., vol. 204, pp. 15-25, (1991).
Nohira et al., "Synthesis and Mesomorphic Properties of Ferroelectric Liquid Crystals with a Fluorinated Asymmetric Frame (1)," Mol. Cryst. Liq. Cryst., vol. 180B, pp. 379-388, (1990).
Amano Takashi
Keyes Michael P.
Martin Steven J.
Radcliffe Marc D.
Savu Patricia M.
3M Innovative Properties Company
Kokko Kent S.
Wu Shean O.
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