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Inclined Homeotropic Alignment by Irradiation of Unpolarized UV Light
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Inclined homeotropic alignment was realized by irradiation of unpolarized ultraviolet light on a polyimide film that originally exhibited homeotropic alignment. Unpolarized UV light was irradiated from an oblique direction (45-degree inclined angle) once. The liquid crystal cell with a pair of inclined homeotropic aligned substrates and nematic liquid crystal with negative dielectric anisotropy exhibits a high contrast ratio (over 1000) with a crossed Nicols configuration and a bright transmittance (same as a TN cell, around 35%).
Title: Inclined Homeotropic Alignment by Irradiation of Unpolarized UV Light
Description:
Inclined homeotropic alignment was realized by irradiation of unpolarized ultraviolet light on a polyimide film that originally exhibited homeotropic alignment.
Unpolarized UV light was irradiated from an oblique direction (45-degree inclined angle) once.
The liquid crystal cell with a pair of inclined homeotropic aligned substrates and nematic liquid crystal with negative dielectric anisotropy exhibits a high contrast ratio (over 1000) with a crossed Nicols configuration and a bright transmittance (same as a TN cell, around 35%).
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