[EN] PHOTOACTIVE PROPANE DERIVATIVES AND ORIENTATION LAYERS<br/>[FR] DERIVES DU PROPANE PHOTOACTIFS ET COUCHES D'ORIENTATION
申请人:SECR DEFENCE
公开号:WO2000037453A1
公开(公告)日:2000-06-29
Compounds of formula (I) may be used as alignment layers in liquid crystal devices wherein X1-5 are idependently selected from H, F, CN, phenylene, C1-10 alkyl, whereby when X1 = X2, then X1,2 = H and when X3 = X4, then X3,4 = H, S1-3 are spacer units, PG1-3 are photoisomerisable/dimerisable groups.