Semiconductor device and driving method thereof
First Claim
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1. A semiconductor device comprising:
- a display portion having first and second pixels over a substrate;
a first proximity sensor in the display portion;
a first signal line; and
a second signal line,wherein the first signal line is configured to supply a first image signal to the first pixel and to be supplied with a sensing signal from the first proximity sensor,wherein the second signal line is configured to supply a second image signal to the second pixel and to supply a control signal to the first proximity sensor, andwherein the first proximity sensor is configured to output the sensing signal in accordance with the control signal.
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Abstract
A semiconductor device having a novel data input and output panel with high definition is provided. A method for driving the semiconductor device having the novel data input and output panel with high definition is provided. The data input and output panel includes, over a substrate, proximity sensors, signal lines electrically connected to the proximity sensors, and pixels electrically connected to the signal lines. The signal lines can supply image signals to the pixels, can supply control signals to the proximity sensors, and can be supplied with sensing signals from the proximity sensors.
21 Citations
9 Claims
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1. A semiconductor device comprising:
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a display portion having first and second pixels over a substrate; a first proximity sensor in the display portion; a first signal line; and a second signal line, wherein the first signal line is configured to supply a first image signal to the first pixel and to be supplied with a sensing signal from the first proximity sensor, wherein the second signal line is configured to supply a second image signal to the second pixel and to supply a control signal to the first proximity sensor, and wherein the first proximity sensor is configured to output the sensing signal in accordance with the control signal. - View Dependent Claims (2, 3, 4)
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5. A semiconductor device comprising:
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a display portion having first, second, and third pixels over a substrate; a first proximity sensor in the display portion; a first signal line; a second signal line; and a third signal line, wherein the first signal line is configured to supply a first image signal to the first pixel and to be supplied with a sensing signal from the first proximity sensor, wherein the second signal line is configured to supply a second image signal to the second pixel and to supply a first control signal to the first proximity sensor, wherein the third signal line is configured to supply a third image signal to the third pixel and to supply a second control signal to the first proximity sensor, and wherein the first proximity sensor is configured to output the sensing signal in accordance with the first control signal and the second control signal. - View Dependent Claims (6, 7, 8)
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9. A method for driving a semiconductor device comprising a display portion having first and second pixels and a proximity sensor, the method comprising the steps of:
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supplying a first image signal to the first pixel via a first signal line; supplying a second image signal to the second pixel via a second signal line; supplying a control signal to the proximity sensor via the second signal line; and acquiring a sensing signal supplied from the proximity sensor via the first signal line, wherein the proximity sensor is configured to output the sensing signal in accordance with the control signal.
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Specification