US Patent 10895678 Waveguide edge light shielding composition having excellent adhesive strength

An ultraviolet curable composition and a waveguide manufactured from the same are disclosed herein. In an embodiment, an ultraviolet curable composition for light shielding of a waveguide, comprises a colorant, an acrylate monomer, a urethane acrylate oligomer, an organosilane and a photopolymerization initiator, wherein adhesion between the cured composition and a glass substrate is 5B or greater by a ASTM D3359 standard and/or is 1,500 mN or greater by a microscratch test (MST).