LOCA liquid optical adhesive bonding can be used as a transparent optical material, such as ITO film, PMMA, PC, PET, glass, electronic paper, the projection screen assembly, display assembly, the lens assembly, resistive touch screen G+ F + F, F + F, capacitive touch screen panel, ICON, and other related electronic optical adhesive materials. These transparent isotropic adhesives without substrate ensures accurate color and full display brightness, and provides bonding effect durable, high strength.