アルミ陽極酸化処理を用いた無機配向膜による液晶の配向制御

概要

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The inorganic alignment film for the LC alignment is expected due to the high durability. The vertical alignmentfor the nematic LC is obtained by using the anodized Al film, which is inorganic. However, control of the pretilt angle isnot so easy. Some kinds of anisotropic are attempted to give the Al film surface during the anodic oxidation treatmentto induce the pretilt angle. The anodic oxidation was carried out while moving the slim cathode to the anode plane inparallel. As a result, the slight pretilt angle from the normal to the substrate was obtained, however, the alignment directionin azimuthal was continuously changed in the plane. The convexoconcave cased when the cathode was cut tothe slim gave the electric field distribution adverse effect during the anodic oxidation treatment.
2012-10-30