SENSOR PIXEL OPERATING IN OPTICAL MODE AND CAPACITIVE MODE AND IMAGE SENSOR INCLUDING THE SAME
First Claim
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1. A sensor pixel, comprising:
- a first transistor controlled depending on a mode selection voltage supplied to one end thereof;
a second transistor including a gate connected to the other end of the first transistor; and
a photoconductor connected to one end of the second transistor, wherein the sensor pixel operates in an optical mode when the first transistor is turned on and operates in a capacitive mode when the first transistor is turned off.
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Abstract
There is provided a sensor pixel, including: a first transistor controlled depending on a mode selection voltage supplied to one end thereof; a second transistor including a gate connected to the other end of the first transistor; and a photoconductor connected to one end of the second transistor, wherein the sensor pixel operates in an optical mode when the first transistor is turned on, and the sensor pixel operates in a capacitive mode when the first transistor is turned off.
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15 Claims
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1. A sensor pixel, comprising:
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a first transistor controlled depending on a mode selection voltage supplied to one end thereof; a second transistor including a gate connected to the other end of the first transistor; and a photoconductor connected to one end of the second transistor, wherein the sensor pixel operates in an optical mode when the first transistor is turned on and operates in a capacitive mode when the first transistor is turned off. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An image sensor, comprising:
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a sensor panel including a plurality of pixels, a plurality of gate lines connected to the plurality of pixels, a plurality of date lines, and a plurality of mode selection lines; a gate driving circuit supplying a plurality of gate signals corresponding to the plurality of gate lines; a sensor signal readout circuit receiving a plurality of data signals from the plurality of pixels through the plurality of date lines; and a mode selection unit supplying a mode selection voltage to the plurality of mode selection lines, wherein each of the plurality of pixels operates in one of a capacitive mode and an optical mode depending on the mode selection voltage. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification