Sensing apparatus and driving method thereof
First Claim
1. A sensing apparatus, comprising:
- a first scan line;
a second scan line;
a readout line;
a first sensing device, coupled to the first scan line and the readout line, and configured for sensing a first energy, wherein the first sensing device outputs a first readout signal corresponding to the first energy to the readout line in response to a first scan signal on the first scan line, and the first sensing device is reset in response to the first scan signal and a reference signal provided by an external interpretation unit on the readout line, wherein the first sensing device comprises;
a first reset unit, configured for resetting the first sensing device, wherein a first terminal of the first reset unit is coupled to the first scan line, and a control terminal of the first reset unit is coupled to the readout line;
a first sensing unit, configured for sensing the first energy, and converting the sensed first energy to a first data signal;
a first storage unit, coupled to the first scan line and the first sensing unit, and configured for storing the first data signal, wherein one terminal of the first storage unit is coupled to the first scan line, and another terminal of the first storage unit is coupled to a second terminal of the first reset unit,wherein the sensing apparatus further comprising;
a second sensing device, coupled to a second scan line and the readout line, and configured for sensing a second energy, wherein the second sensing device outputs a second readout signal corresponding to the second energy to the readout line in response to a second scan signal on the second scan line, and the first scan signal and the second scan signal enable the first sensing device and the second sensing device in sequence,wherein when the reference signal provided by the external interpretation unit on the readout line is in a high voltage level, the first scan signal on the first scan line enables the first terminal of the first reset unit to be conducted with the second terminal, and the first scan signal is at a low voltage such that the terminal and the other terminal of the first storage unit are both in a low voltage level, so as to reset the first storage unit.
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Abstract
A sensing apparatus including a first scan line, a second scan line, a readout line, a first sensing device and a second sensing device is provided. The first sensing device is coupled to the first scan line and the readout line, and senses a first energy, and outputs a first readout signal corresponding to the first energy to the readout line in response to a first scan signal on the first scan line. The first sensing device is reset in response to the first scan signal and a reference signal on the readout line. The first sensing device includes a first reset unit configured for resetting the first sensing device, where a first terminal of the first reset unit is coupled to the first scan line, and a control terminal of the first reset unit is coupled to the readout line. A driving method thereof is also provided.
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Citations
24 Claims
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1. A sensing apparatus, comprising:
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a first scan line; a second scan line; a readout line; a first sensing device, coupled to the first scan line and the readout line, and configured for sensing a first energy, wherein the first sensing device outputs a first readout signal corresponding to the first energy to the readout line in response to a first scan signal on the first scan line, and the first sensing device is reset in response to the first scan signal and a reference signal provided by an external interpretation unit on the readout line, wherein the first sensing device comprises; a first reset unit, configured for resetting the first sensing device, wherein a first terminal of the first reset unit is coupled to the first scan line, and a control terminal of the first reset unit is coupled to the readout line; a first sensing unit, configured for sensing the first energy, and converting the sensed first energy to a first data signal; a first storage unit, coupled to the first scan line and the first sensing unit, and configured for storing the first data signal, wherein one terminal of the first storage unit is coupled to the first scan line, and another terminal of the first storage unit is coupled to a second terminal of the first reset unit, wherein the sensing apparatus further comprising; a second sensing device, coupled to a second scan line and the readout line, and configured for sensing a second energy, wherein the second sensing device outputs a second readout signal corresponding to the second energy to the readout line in response to a second scan signal on the second scan line, and the first scan signal and the second scan signal enable the first sensing device and the second sensing device in sequence, wherein when the reference signal provided by the external interpretation unit on the readout line is in a high voltage level, the first scan signal on the first scan line enables the first terminal of the first reset unit to be conducted with the second terminal, and the first scan signal is at a low voltage such that the terminal and the other terminal of the first storage unit are both in a low voltage level, so as to reset the first storage unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A driving method, applicable to a sensing apparatus, comprising:
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in the sensing apparatus, providing a first sensing device and a second sensing device to respectively sense a first energy and a second energy; making the first sensing device output a first readout signal corresponding to the first energy in response to a first scan signal; making the second sensing device output a second readout signal corresponding to the second energy in response to a second scan signal; and resetting the first sensing device and the second sensing device at the same time or in sequence in response to a reset voltage respectively applied to them having at least one pulse signal, wherein the step of resetting the first sensing device and the second sensing device at the same time or in sequence in response to the reset voltage having the at least one pulse signal comprises; when a reference voltage on the readout line connected to the first sensing device and the second sensing device is at a high voltage, repeating a read frame procedure for at least two times, to obtain a plurality of readout signals of a plurality of frames, wherein each read frame procedure comprises applying a first positive voltage pulse scan signal through the first scan line connected to the first sensing device to enable the first sensing device, and after the first sensing device is enabled, applying a second positive voltage pulse scan signal through the second scan line connected to the second sensing device to enable the second sensing device; and in a plurality of reset time intervals of a reset frame after repeating the read frame procedure for at least two times, applying a first negative voltage pulse scan signal through the first scan line connected to the first sensing device to reset the first sensing device, and after the first sensing device is reset, applying a second negative voltage pulse scan signal through the second scan line connected to the second sensing device to reset the second sensing device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A driving method, applicable to a sensing apparatus, comprising:
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providing a plurality of sensing devices in the sensing apparatus; respectively disposing a plurality of reset units in the sensing devices; and applying a plurality of direct current biases of a preset time interval at the same time through a plurality of readout lines respectively connected to a plurality of control terminals of the reset units, or applying a plurality of negative scan biases of the preset time interval at the same time through a plurality of scan lines connected to the reset units, to program a plurality of threshold voltages of the control terminals of the reset units, wherein the preset time interval is at least one hour, wherein the sensing apparatus comprises; a first scan line of the plurality of scan lines; a second scan line of the plurality of scan lines; a specific readout line of the plurality of readout lines; a first sensing device of the plurality of sensing devices, coupled to the first scan line and the specific readout line, and configured for sensing a first energy, wherein the first sensing device outputs a first readout signal corresponding to the first energy to the specific readout line in response to a first scan signal on the first scan line, and the first sensing device is reset in response to the first scan signal and a reference signal provided by an external interpretation unit on the specific readout line, wherein the first sensing device comprises; a first reset unit, configured for resetting the first sensing device, wherein a first terminal of the first reset unit is coupled to the first scan line, and a control terminal of the first reset unit is coupled to the specific readout line; a first sensing unit, configured for sensing the first energy, and converting the sensed first energy to a first data signal; a first storage unit, coupled to the first scan line and the first sensing unit, and configured for storing the first data signal, wherein one terminal of the first storage unit is coupled to the first scan line, and another terminal of the first storage unit is coupled to a second terminal of the first reset unit, wherein the sensing apparatus further comprising; a second sensing device of the plurality of sensing devices, coupled to the second scan line and the specific readout line, and configured for sensing a second energy, wherein the second sensing device outputs a second readout signal corresponding to the second energy to the specific readout line in response to a second scan signal on the second scan line, and the first scan signal and the second scan signal enable the first sensing device and the second sensing device in sequence, wherein when the reference signal provided by the external interpretation unit on the specific readout line is in a high voltage level, the first scan signal on the first scan line enables the first terminal of the first reset unit to be conducted with the second terminal, and the first scan signal is at a low voltage such that the terminal and the other terminal of the first storage unit are both in a low voltage level, so as to reset the first storage unit. - View Dependent Claims (22, 23, 24)
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Specification