... EL is not limited by sight,super thin and neat,low energy consumption,high visibility,soft and stable light ... source, dampproo It can be used in mobile(screen),control board of cars,bar,restaurant and Ad. El ... more than 25000 hours),5.soft and stable light source,6.high visibility,7.dampproof, force ... .not produce hot ,not has light line radiation,9.very light. EL film_advertisement_backlight_poster