http://pastport.jp/user/CarlLowe/timeline/All%20Kinds%20Of%20Transparent%20LED%20Screen%20You%20Should%20Know Transparent LED displays are an improved version of traditional LED display. It uses transparent materials to produce bright, vivid images.https://www.yuchip-led.com/what-is-transparent-led-screen-and-how-does-it-work/ ja-JP