CPC A63C 19/065 (2013.01) | 10 Claims |
1. A display device for showing a court line, wherein the court line is adapted to be shown on an indoor field, and the display device comprise:
a plurality of field line sets disposed on a predetermined field, wherein the field line sets together have a plurality of marker lines, and at least two of the marker lines overlap with each other to form an overlapped region;
each of the marker lines comprises:
a transparent body, wherein the transparent body includes a protective film, a conductive layer, a light-emitting layer, an insulating layer, and an electrode layer; the protective film, the conductive layer, the light-emitting layer, the insulating layer, and the electrode layer are arranged in sequence from top to bottom; the light-emitting layer is made of a material comprising an electrochromic material;
each of the marker lines in each of the field line sets has an independent circuit loop formed by a conductive line.
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