The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.
本发明提供了折射率至少为1.50的压敏粘合剂。该压敏粘合剂包括至少一种含有取代或未取代的
联苯基团的单体。