... thin and neat,low energy consumption,high visibility,soft and stable light source, dampproo It can be used in mobile(screen),control board ... ,4.long life(more than 25000 hours),5.soft and stable light source,6.high visibility,7.dampproof, force bump and press,8 ... .not produce hot ,not has light line radiation,9.very light. EL film_advertisement_backlight_poster