... 4. Maximum size:90cmX60cm neon backlight WHAT IS EL?EL Operating Theory:EL is an equipment that converts electronic power to ... Thickness and Bend Toughness:EL is light and slim. Generally, bending above 3cm can be acceptable, and can make any form ... telephone, electronic note book, electronic dictionary, control panel of music equipment, micro-wave stove, control panel of fax machine, printer, watch ...