- Photoactive propane derivatives and orientation layers
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Compounds of formula (I) may be used as alignment layers in liquid crystal devices wherein X1-5are idependently selected from H, F, CN, phenylene, C1-10alkyl, whereby when X1=X2, then X1,2=H and when X3=X4, then X3,4=H, S1-3are spacer units, PG1-3are photoisomerisable/dimerisable groups.
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Page/Page column 19-20
(2010/01/31)
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