Semiconductor device and manufacturing method thereof
First Claim
1. A semiconductor device comprising:
- a conductive film functioning as an antenna;
a power source generating circuit electrically connected to the conductive film functioning as an antenna, the power source generating circuit including a constant voltage circuit and a displaying power source circuit;
an integrated circuit and a display element electrically connected to the power source generating circuit wherein the constant voltage circuit is configured to supply a first voltage to the integrated circuit and the displaying power source circuit is configured to supply a second voltage to the display element;
a first thin film transistor provided in the power source generating circuit;
a second thin film transistor provided in the integrated circuit;
a third thin film transistor provided in the display element;
an insulating film provided to cover the first thin film transistor, the second thin film transistor, and the third thin film transistor;
a source electrode and a drain electrode of the first thin film transistor, a source electrode and a drain electrode of the second thin film transistor, and a source electrode and a drain electrode of the third thin film transistor which are formed over the insulating film; and
a pixel electrode electrically connected to the source electrode or the drain electrode of the third thin film transistor,wherein the source electrode or the drain electrode of the first thin film transistor is electrically connected to the conductive film functioning as an antenna.
1 Assignment
0 Petitions
Accused Products
Abstract
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.
30 Citations
20 Claims
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1. A semiconductor device comprising:
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a conductive film functioning as an antenna; a power source generating circuit electrically connected to the conductive film functioning as an antenna, the power source generating circuit including a constant voltage circuit and a displaying power source circuit; an integrated circuit and a display element electrically connected to the power source generating circuit wherein the constant voltage circuit is configured to supply a first voltage to the integrated circuit and the displaying power source circuit is configured to supply a second voltage to the display element; a first thin film transistor provided in the power source generating circuit; a second thin film transistor provided in the integrated circuit; a third thin film transistor provided in the display element; an insulating film provided to cover the first thin film transistor, the second thin film transistor, and the third thin film transistor; a source electrode and a drain electrode of the first thin film transistor, a source electrode and a drain electrode of the second thin film transistor, and a source electrode and a drain electrode of the third thin film transistor which are formed over the insulating film; and a pixel electrode electrically connected to the source electrode or the drain electrode of the third thin film transistor, wherein the source electrode or the drain electrode of the first thin film transistor is electrically connected to the conductive film functioning as an antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A semiconductor device comprising:
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an antenna; an integrated circuit; a display element including a thin film transistor over a substrate; a power source generating circuit electrically connected to the antenna, the power source generating circuit including; a constant voltage circuit for supplying a first voltage to the integrated circuit; and a displaying power source circuit for supplying a second voltage to the display element. - View Dependent Claims (12, 13, 14, 15)
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16. A semiconductor device comprising:
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an antenna; an integrated circuit; a display element over a substrate; a power source generating circuit electrically connected to the antenna, the power source generating circuit including; a constant voltage circuit for supplying a first voltage to the integrated circuit; and a displaying power source circuit for supplying a second voltage to the display element. - View Dependent Claims (17, 18, 19, 20)
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Specification