Solventless photocurable liquid composition, cured product thereof, optical filler containing same, and display device including layer comprising said cured product

Abstract

A photocurable liquid silicone composition, that has low viscosity that facilitates injection into a small gap, cures quickly by irradiating with a high energy beam such as ultraviolet light or the like, has a refractive index after curing that is high not only in a visible region but also in an infrared region, in which composition design is possible to provide an arbitrarily low dielectric constant, and is particularly useful as a material for a device using an infrared LED light source, is provided. The composition comprises: (A) one or more type of an organosilane or organopolysiloxane having on average one or more photoreactive functional groups and two or more monovalent functional groups selected from aromatic groups with 6 to 12 carbon atoms and aralkyl groups with 7 to 12 carbon atoms in a molecule and having 1 to 5 silicon atoms, and optionally further comprising (C) a curing catalyst.

Dependencies are inferred from the claim text.