G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/135 (2006.01) G02F 1/141 (2006.01) G09G 3/36 (2006.01) G02F 1/1337 (2006.01)
Patent
CA 2077132
A ferroelectric liquid crystal display device includes a pair of substrates having an electrode selectively formed on the surface thereof, an insulating film and an orientation film are formed thereon. Uniaxial orientation processing is performed and the electrodes are arranged so that directions of their uniaxial orientation processing may be almost parallel to each other. A liquid crystal panel is formed by injecting a liquid crystal having a chiral smectic C phase between the substrates, and driving means are provided for switching an optical axis of the liquid crystal by selectively applying a voltage to the electrode. Means are also provided for optically identifying the switching of the optical axis, in which the liquid crystal shows a chevron structure as a layer structure at the chiral smectic C phase in which a layer structure is doglegged, and an orientation region is generated from interaction in the uniaxial orientation processing direction. The layer structure is an inside region surrounded by a lightning defect generated in the uniaxial orientation direction and a hair-pin defect generated behind the lightning defect or an outside region surrounded by the hair-pin defect generated in the uniaxial orientation direction and a lightning defect generated behind the hair-pin defect. The liquid crystal can invert to switch an orientation axis near the substrates, and the ratio of an angle d of inclination of a layer of the liquid crystal to the substrate, to a tilt angle .THETA. is made to be from 0.9 to 1.
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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