| 摘要 |
PROBLEM TO BE SOLVED: To improve communication performance by a simple configuration in a configuration having a communication control part and a display control part connected between an information display layer which varies display of information and an antenna supplying an electric power source obtained by a contactless communication to the information display layer.SOLUTION: An antenna 21 is provided on a surface of a controller substrate 20, and a communication control IC 22 and a display control IC 23 are provided on a rear surface of the controller substrate 20, and a through hole 28 is formed respectively on both end parts of the antenna 21. The communication control IC 22 and the antenna 21 are connected to wiring 27 connected to the communication control IC 22 via the through hole 28. |
