LCD with protrusion structures for axially symmetrically aligning liquid crystal in regions smaller than 70 μm×70 μm

Abstract

A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer interposed between the first and second substrates. The first substrate includes a protrusion structure and a vertical alignment layer each facing the liquid crystal layer. The liquid crystal layer includes a plurality of liquid crystal regions separated from each other by the protrusion structure. Liquid crystal molecules in the plurality of liquid crystal regions are aligned axially symmetrically around an axis perpendicular to a surface of the second substrate at least in the presence of applied voltage. Each of the plurality of liquid crystal regions has a size such that each of the plurality of liquid crystal regions is included within a circular area circumscribing a square of approximately 70 μm or less.

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