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Proceedings Paper

Antiferroelectric and V-shape liquid crystal on silicon microdisplays
Author(s): Jose Manuel Oton; Roman S. Dabrowski; Xabier Quintana; V. Urruchi; J. L. Gayo
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Paper 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.

Paper Details

Date Published: 27 June 2002
PDF: 6 pages
Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); doi: 10.1117/12.472132
Show Author Affiliations
Jose Manuel Oton, Univ. Politecnica de Madrid (Spain)
Roman S. Dabrowski, Military Univ. of Technology (Poland)
Xabier Quintana, Univ. Politecnica de Madrid (Spain)
V. Urruchi, Univ. Politecnica de Madrid (Spain)
J. L. Gayo, Univ. Politecnica de Madrid (Spain)


Published in SPIE Proceedings Vol. 4759:
XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications

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