| 摘要 |
To provide a wireless identification semiconductor device provided with a display function, which is capable of effectively utilizing electric power supplied by an electromagnetic wave. The following are included: an antenna; a power source generating circuit electrically connected to the antenna; an IC chip circuit and a display element electrically connected to the power source generating circuit; a first TFT provided in the power source generating circuit; a second TFT provided in the IC chip circuit; a third TFT provided in the display element; an insulating film provided to cover the first to third TFTs; a first source electrode and a first drain electrode, a second source electrode and a second drain electrode, and a third source electrode and a third drain electrode which are formed over the insulating film; and a pixel electrode electrically connected to the third source electrode or the third drain electrode. The first source electrode or the first drain electrode is electrically connected to the antenna.
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