| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF DRAWINGS [0053]FIG. 1 of the accompanying drawings is a schematic section through an electrophoretic display of the present invention having a liquid external phase. [0054]FIG. 2 is a schematic section through a first optical switch of the present invention. [0055]FIG. 3 illustrates schematically an optical switch of the present invention used in a Mach-Zender interferometer.
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