| CPC G09G 3/3233 (2013.01) [G06V 40/1318 (2022.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/08 (2013.01); G09G 2354/00 (2013.01)] | 20 Claims |
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1. A display device comprising:
a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit connected to the light emitting element; and
a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit connected to the light receiving element,
wherein the sensor driving circuit includes:
a first reset transistor including a first electrode configured to receive a reset voltage, a second electrode connected to a first sensing node, and a third electrode configured to receive a reset control signal;
a second reset transistor, separate from the first reset transistor, and including a first electrode configured to receive the reset voltage, a second electrode connected to a second sensing node, and a third electrode configured to receive the reset control signal;
a sensing capacitor including a first electrode connected to the first sensing node and a second electrode connected to the second sensing node;
an amplification transistor including a first electrode configured to receive a sensor driving voltage, a second electrode connected to a third sensing node, and a third electrode connected to the second sensing node; and
an output transistor including a first electrode connected to the third sensing node, a second electrode connected to a readout line, and a third electrode configured to receive an output control signal.
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