[EN] PHOTOALIGNING MATERIAL<br/>[FR] MATÉRIAU DE PHOTOALIGNEMENT
申请人:ROLIC AG
公开号:WO2013017467A1
公开(公告)日:2013-02-07
The present invention relates to a copolymer for the photoalignment of liquid crystals comprising a photoreactive group as given below in formula (I), compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).
The present invention relates to photoreactive compounds that are particularly useful in materials for the alignment of liquid crystals.
本发明涉及光反应性化合物,特别适用于液晶对准材料的制作。
PHOTOALIGNING MATERIAL
申请人:Eckert Jean-Francois
公开号:US20130035446A1
公开(公告)日:2013-02-07
The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals comprising a main chain and a side chain, wherein the side chain comprises a difluoromethylene group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).
[EN] PHOTOALIGNING MATERIALS<br/>[FR] MATÉRIAUX DE PHOTOALIGNEMENT
申请人:ROLIC AG
公开号:WO2013050121A1
公开(公告)日:2013-04-11
The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, comprising a main chain and a side chain, wherein the side chain and/or main chain comprises a polar group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).
The present invention concerns functionalized photoreactive compounds of formula (I), that are particularly useful in materials for the alignment of liquid crystals. Due to the adjunction of an electron withdrawing group to specific molecular systems bearing an unsaturation directly attached to two unsaturated ring systems, exceptionally high photosensitivities, excellent alignment properties as well as good mechanical robustness could be achieved in materials comprising said functionalized photoreactive compounds of the invention.