| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device in which reliability of a device can be improved and the manufacturing cost can be reduced. SOLUTION: This display device has a first glass substrate 1 in which a liquid crystal display 29 and a liquid crystal display control circuit 26 are formed, and a third glass substrate 3 which is arranged at a position facing the first glass substrate 1 and in which an arithmetic circuit 8 performing signal transmission with the liquid crystal display control circuit 26 is formed, and signal transmission is performed using optical signals 17 and 18. Also. it is performed using a high frequency signal through a capacitor instead of an optical signal. On the other hand, transmission of electric power between substrates is performed using an alternating current. Thereby, signal transmission and electric power transmission between substrates can be performed with a non-contact method.
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