Patent ID: 7496265

Claim:
A lens-equipped optical waveguide device for a touch panel comprising: an optical waveguide including an under cladding layer and a plurality of cores, said plurality of cores being formed on a surface of the under cladding layer with respective ends arranged in parallel to each other along one edge portion of said under cladding layer; and a lens device having a mounting surface for placing the optical waveguide thereon and a lens formed in an end portion of the mounting surface, wherein the one edge portion of the under cladding layer has an end surface which is in abutment with the lens of said lens device when said optical waveguide is bonded to the mounting surface of the lens device with an adhesive, wherein the mounting surface of said lens device includes an adhesive receiving groove formed therein, and wherein said optical waveguide includes a through hole penetrating in the direction of the thickness of the optical waveguide and in communication with said adhesive receiving groove so that the bonding with said adhesive is achieved by using said adhesive receiving groove and the through hole.