Fast-switching liquid crystal devices based on polymer stabilized alignment

来源 :The 4rd Symposium on Liquid Crystal Photonics(SLCP2015)(第四届液 | 被引量 : 0次 | 上传用户:mmoxx
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  A method of improving the response time of vertical or in-plane alignment liquid crystal device using surface polymer stabilization augmented surface anchoring is introduced.A minute amount of a reactive monomer and photo-initiator is mixed with a nematic liquid crystal host and the mixture is polymerized under UV light to form sub-micron sized polymer protrusions on the two substrates of the cell.Experimental evidence proves that polymer-stabilized liquid crystal alignment minimizing the light leakage problem and maximizing light transmission.In addition,the surface polymer stabilized cells provide very small but well-defined pretilt angle which results in a fast turn-on time and the fine structure of polymer protrusions gives a larger polar or azimuthal anchoring energy which reduces the turn off time.This presentation will discuss two types of polymerized surfaces for homeotropic and planar liquid crystal alignments.
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