Add-Vision, Inc.focuses on the development of proprietary techniques for low cost, screen-printed light-emitting display systems. During its first 7 years, the Company focused on creating light-emitting displays using thick film inorganic, alternating current phosphor electro-luminescence (ACPEL or EL for short) technologies. Add-Vision has extensive commercial experience with EL displays. The EL screen-printable displays are phosphor-based (ZnS), emitting their characteristic blue-green emission