Feasibility of electrooptic devices utilizing ferroelectric bismuth titanate

1 January 1970

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 58 (8) , 1220-1229
https://doi.org/10.1109/proc.1970.7898

Abstract

A feasibility study has shown that Bi4Ti3O12can be used to form a matrix-addressed display possessing gray scale and capable of operating at TV speed and resolution. As compared with other matrix-addressed schemes, the Bi4Ti3O12display has the advantages of high contrast and brightness, low power, no interface connection problems, and a separation of the switching and display functions. The disadvantages are that the elements are size-limited and require high drive voltages, and that it is necessary to fabricate long crystal bars possessing very good dimensional, electrical, and optical uniformity. The unique electrical and optical properties of ferroelectric Bi4Ti3O12suggest that the material could be used in applications other than the proposed display mode. Consideration has been given to using Bi4Ti3O12as an optical selector, in conjunction with a photoconductor to form an optical storage medium, as a matrix-addressed memory, for a transcharger-electroluminescent display, as a bar graph, and as an optical slit.

Keywords

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