Analytical approach to V-shaped characteristics in antiferroelectric liquid crystal displays |
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| Authors: | H Pauwels |
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| Institution: | 1. Departamento de Física Aplicada II, Facultad de Ciencias, Universidad del País Vasco , Apdo. 644, 48080, Bilbao, Spain;2. Departamento de Automática, Electónica y Telecommunicaciones, Escuela Técnica Superior de Ingenieros Industriales y de Telecomunicación, Universidad del País Vasco , Alameda de Urquijo s/n, 48013, Bilbao, Spain;3. Departamento de Física Aplicada II, Facultad de Ciencias, Universidad del País Vasco , Apdo. 644, 48080, Bilbao, Spain;4. Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Zaragoza-CSIC , 50009, Zaragoza, Spain |
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| Abstract: | Not only in ferroelectric liquid crystal displays (LCDs), but also in antiferroelectric LCDs, grey levels are possible by actively addressing the ‘continuous director rotation mode’. For ferroelectric LCDs this was shown qualitatively and quantitatively in previous articles. In this article it is shown that an exact analytical approach is also possible for antiferroelectric LCDs. In two consecutive layers the director orientations are symmetric, and at zero voltage they are in a splayed state. The conditions on alignment layer thickness and interaction coefficients are related to those of ferroelectric liquid crystal but are easier to fulfill. |
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