Abstract
To study the alignment of liquid crystal molecules, the relationship between the optical phase retardation of rubbed polyimide films and the azimuthal anchoring energy was reported. For this work, we investigated the effects of the side chain of polyimide and the rubbing parameter on optical phase retardation of the rubbed polyimide surfaces and azimuthal anchoring energy. One main chain type and two side chain type polyimide were used.
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