Structure of liquid crystals in a confined geometry

Luz J. Martinez-Miranda; Elisabeth Smela; Hang Liu

doi:10.1117/12.172122

4 April 1994 Structure of liquid crystals in a confined geometry

Luz J. Martinez-Miranda, Elisabeth Smela, Hang Liu

Proceedings Volume 2175, Liquid Crystal Materials, Devices, and Applications III; (1994) https://doi.org/10.1117/12.172122
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

Abstract

We present the results of our structural measurements on smectic liquid crystal films deposited on photolithographed gratings on both glass and silicon substrates. These gratings have periods in the range of 664 nm - 200 micrometers , and the depths of up to 2 micrometers . We found that both silicon and glass gratings are able to align the liquid crystal in the period range 664 nm - 24 micrometers , as determined using both x-ray diffraction and optical microscopy. This result sets upper and lower boundaries for grating preparation. The results of our measurements were fit to a multilayer orientational model in order to determine the thickness of the observed aligned layer. We discuss the possible impact of our results on large area display packaging and preparation.

Citation Download Citation

Luz J. Martinez-Miranda, Elisabeth Smela, and Hang Liu "Structure of liquid crystals in a confined geometry", Proc. SPIE 2175, Liquid Crystal Materials, Devices, and Applications III, (4 April 1994); https://doi.org/10.1117/12.172122

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