Optonica corporation is a joint venture of Korea and Japan and is developing ,manufacturing and selling the products applied with optical semi-conductor elements. Based on the unique technology accumulated for 30 years in the field of optics in Japan, we , Optonica, are always developing the items to perfectly meet customers&＃39;requirement . With the recent use of a precision gauge, a medical, an optical, and an OA instrument, and home appliance, Optonica is developing and manufacturing an element and a module suitable well for the specifications required by customers. In addition, we provide many users with LED & its package for cars, and the items for traffic signal and lighting apparatus with development of a super brightness intensity LED package.