US 12,217,685 B2
Display device
Heerim Song, Yongin-si (KR); Cheol-Gon Lee, Yongin-si (KR); and Mukyung Jeon, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 16, 2023, as Appl. No. 18/450,786.
Claims priority of application No. 10-2022-0126539 (KR), filed on Oct. 4, 2022.
Prior Publication US 2024/0112632 A1, Apr. 4, 2024
Int. Cl. G09G 3/3233 (2016.01); G06F 3/041 (2006.01); G06F 3/042 (2006.01); G06V 40/13 (2022.01)
CPC G09G 3/3233 (2013.01) [G06F 3/0412 (2013.01); G06F 3/04166 (2019.05); G06F 3/042 (2013.01); G06V 40/1318 (2022.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/08 (2013.01); G09G 2354/00 (2013.01)] 20 Claims
OG exemplary drawing
 
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 included in at least one sensor from among the sensors includes:
a reset transistor including a first electrode configured to receive a reset signal, a second electrode connected to a first sensing node, and a third electrode configured to receive a reset control signal;
an amplification transistor including a first electrode configured to receive a sensor driving voltage, a second electrode connected to the first sensing node, and a third electrode connected to a second sensing node;
a first output transistor including a first electrode connected to the second sensing node, a second electrode connected to a readout line, and a third electrode configured to receive a first output control signal; and
a second output transistor including a first electrode connected to the second sensing node, a second electrode connected to the readout line, and a third electrode configured to receive a second output control signal.