EL backlight,EL Panel,el advertising,EL sheet,EL light,el advertisement panel,el advertising panel,el product(Can cut ) WHAT IS EL?EL Operating Theory:EL is an equipment ... time ect.We can design the EL driver according to customers' requirements, for example:1. Using DC 3,6 ... mark.8. Business Eequipment, Machine In Public: Station poster for omnibus, public telephone box , automatic soft drink , road ...