Circular UV polarizer

摘要

The invention relates to a circular UV polarizer based on a polymerized mesogen being obtainable by curing by actinic radiation or by heat of a polymerizable composition which comprises the following components: a) a liquid mesogenic component A composed of one or more achiral mesogenic compounds having at least one polymerizable end group optionally linked via a spacer group to the mesogenic core, b) a component B composed of one or more chiral compounds in such an amount that the maximum wavelength of reflection ( lambda max) of the composition is between 320 and 440 nm, inclusive, and c) a photoinitiator or thermal initiator component C.