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Anchoring Properties in Photo-aligned Periodic Domains for Wide-viewing Liquid Crystal Displays  

Yu, Chang-Jae (School of Electrical Engineering #032, Seoul National University)
Park, Jae-Hong (School of Electrical Engineering #032, Seoul National University)
Lee, Sin-Doo (School of Electrical Engineering #032, Seoul National University)
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Abstract
We studied the anchoring properties in photo-aligned periodic domains of liquid crystals (LCs) in an alternating homeotropic and hybrid geometry. In this geometry, the surface anchoring energy was determined in using the director-distorted length of the LC near domain boundary, calculated in a linear approximation of the director profile within the continuum theory. The measurements were made using the LC diffraction grating with the phase profile in the form of a trapezoid.
Keywords
anchoring energy; continuum theory; diffraction grating; far-field diffraction;
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