CARBOXYLATE COMPOUNDS, LIQUID CRYSTAL COMPOSITIONS AND LIQUID CRYSTAL ELEMENTS CONTAINING SAID COMPOUNDS AND METHOD OF OPTICAL MODULATION USING SAID ELEMENTS
The invention provides carboxylate compounds of the following formula (A): wherein R is a group selected from C3-C20 alkyl, C3-C20 alkoxy and halogenated C3-C20 alkyl, X and Y are each, independently, a group selected from: -COO-,-OCO-, -CH2CH2-. CH2O-, OCH2-, -S-S-, and or a single bond, A and B ar...
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Sprache: | eng |
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