Synaptics announced an exclusive partnership with OXi Technology, a Shanghai-based developer of unique and patented optical fingerprint technology. The collaboration includes combining technology from each company in the development of new proprietary optical sensing solutions for smartphones, tablets and PCs.   Synaptics has signed an agreement to make a minority investment in OXi and expects the investment to close within a few weeks. Synaptics will also have the right to appoint a member of...