Abstract
We demonstrate new approach of polyimide (PI)‐less polymer stabilized vertical alignment (PS‐VA) mode in which binary mixture of single kind of reactive mesogen and LC induces a VA with temperature treatment. The induced VA is fixed at first UV exposure and then a pretilt angle is generated with second UV exposure. The proposed device with two‐step UV exposure exhibits excellent electro‐optics such as fast response time and enhanced on‐state transmittance. This approach fixes a vertical alignment physically unlike chemical bonding in conventional PI‐less VA mode, giving rise to high reliability.
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