Method of aligning or realigning liquid crystal media using...

Details Method of aligning or realigning liquid crystal media using... Method of aligning or realigning liquid crystal media using...

G - Physics

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G02F 1/1337 (2006.01) C09K 19/56 (2006.01) C09K 19/60 (2006.01) G02F 1/139 (2006.01) G11B 7/0055 (2006.01) G11B 7/25 (2006.01)

Patent

CA 2011383

Disclosed is a process for aligning the molecules in a liquid crystal medium having a surface adjacent to a substrate, in which the liquid crystals have a molecular weight of less than 1500, and anisotropically absorbing molecules in the medium or in the substrate adjacent to it are exposed to linearly polarized light of a wavelength within the absorption band of the absorbing molecules, and alignment of the liquid crystal medium at an angle + or - .theta. with respect to the direction of the linear polarization of the incident light beam is induced by the exposed anisotropically absorbing molecules.

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