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Surface stabilized ferroelectric liquid crystal devices with plural orientation states of different colors or separated by domain walls
Surface stabilized ferroelectric liquid crystal devices with plural orientation states of different colors or separated by domain walls
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机译:具有不同颜色的多个取向状态或被畴壁隔开的表面稳定的铁电液晶装置
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摘要
A liquid crystal device including a ferroelectric liquid crystal disposed between plates treated to enforce a particular ferroelectric molecular orientation to the plates. The devices employ alone or in combination non-planar boundary conditions, polar boundary conditions, boundaries with multiple physical states, intrinsic spontaneous splay distortion of the polarization orientation field, combined ferroelectric and dielectric torques, layers tilted with respect to the plates. The plates are spaced by a distance sufficiently small to ensure unwinding of the helix typical in a bulk of the material to form either monostable, bistable or multistable states which exhibit novel electro-optic properties. The liquid crystal is responsive to an externally applied electric field, temperature or the like to make a light valve or other electro-optical device.
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