Antiferroelectric and V-shape liquid crystal on silicon microdisplays

Jose Manuel Oton; Roman S. Dabrowski; Xabier Quintana; V. Urruchi; J. L. Gayo

doi:10.1117/12.472132

27 June 2002 Antiferroelectric and V-shape liquid crystal on silicon microdisplays

Jose Manuel Oton, Roman S. Dabrowski, Xabier Quintana, V. Urruchi, J. L. Gayo

Proceedings Volume 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications; (2002) https://doi.org/10.1117/12.472132
Event: XIV Conference on Liquid Crystals, Chemistry, Physics, and Applications, 2001, Zakopane, Poland

Abstract

In this work, the use of antiferroelectric and V-shape liquid crystals for video projection using LCOS microdisplays has been explored. Antiferroelectric gray levels arise from a double symmetric hysteresis loop that can be stabilized by a constant holding voltage, thus an active matrix is not strictly required in this case. If used, then the voltage levels and the waveform must be adjusted to fulfill the voltage limitations dictated by the matrix. V-shape materials lac,k hysteresis; therefore the active matrix is mandatory to stabilize the levels. Voltage limitations, however, are less restrictive in this case, since V-shape smectics require just a few volts for full switching.

Citation Download Citation

Jose Manuel Oton, Roman S. Dabrowski, Xabier Quintana, V. Urruchi, and J. L. Gayo "Antiferroelectric and V-shape liquid crystal on silicon microdisplays", Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); https://doi.org/10.1117/12.472132

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