申请人:ROLIC AG
公开号:US10557085B2
公开(公告)日:2020-02-11
The invention relates to a photoalignment composition comprising at least a single photoalignment polymer, preferably a homo- or a copolymer having at least one photoreactive group; and at least a single solvent of formula (I)
(R—CO—O—R′),
wherein R and R′ are independently from each other straight-chain or branched alkyl chain, with the proviso that at least one alkyl chain is branched.
Further, the present invention relates to the use of this composition for coating or printing, especially for printing, more especially for inkjet or offset printing processes, and most especially for an offset printing process. In addition, the present invention relates to the use of the photoalignment composition for the preparation of orientation layers for liquid crystals and in the construction of unstructured and structured optical elements and multi-layer systems, especially liquid crystal displays, LCDs.
本发明涉及一种光配位组合物,该组合物包含至少一种光配位聚合物,最好是具有至少一个光活性基团的均聚物或共聚物;以及至少一种式 (I) 溶剂
(R-CO-O-R′)、
其中 R 和 R′互不独立地为直链或支链烷基链,但至少有一个烷基链为支链。
此外,本发明还涉及将这种组合物用于涂层或印刷,特别是用于印刷,尤其是用于喷墨或胶印工艺,特别是用于胶印工艺。此外,本发明还涉及光配位组合物在制备液晶定向层以及构建非结构化和结构化光学元件和多层系统,特别是液晶显示器(LCD)中的用途。