US 12,377,341 B2
Display device for showing court line on indoor field
Ching-Shun Wang, New Taipei (TW)
Assigned to ADVANCED CONNECTION TECHNOLOGY, INC., New Taipei (TW)
Filed by Advanced Connection Technology, Inc., New Taipei (TW)
Filed on May 5, 2022, as Appl. No. 17/737,108.
Prior Publication US 2023/0356062 A1, Nov. 9, 2023
Int. Cl. A63C 19/06 (2006.01)
CPC A63C 19/065 (2013.01) 10 Claims
OG exemplary drawing
 
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.