US 12,451,082 B2
Sensor and display device including the same
Sang Yong No, Yongin-si (KR); Sunkwun Son, Yongin-si (KR); and Dong Hee Shin, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Mar. 13, 2024, as Appl. No. 18/604,293.
Claims priority of application No. 10-2023-0042196 (KR), filed on Mar. 30, 2023.
Prior Publication US 2024/0331642 A1, Oct. 3, 2024
Int. Cl. G09G 3/3266 (2016.01); G06F 3/042 (2006.01); G09G 3/32 (2016.01); H10K 59/40 (2023.01)
CPC G09G 3/3266 (2013.01) [G06F 3/0421 (2013.01); G09G 3/32 (2013.01); H10K 59/40 (2023.02); G09G 2310/0267 (2013.01); G09G 2310/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sensor of a display comprising:
a light-sensing element connected between a bias voltage line, which is configured to provide a bias voltage, and a first sensing node;
a first transistor connected between a reset voltage line, which is configured to provide a reset voltage that has a level that is lower than a level of the bias voltage, and the first sensing node;
a second transistor connected between a sensor-driving voltage line, which is configured to provide a sensor-driving voltage that is different from the reset voltage, and a second sensing node, and comprising a gate electrode connected to the first sensing node;
a third transistor connected between the second sensing node and a readout line, and comprising a gate electrode connected to a scan line of the display; and
a compensation capacitor connected between the gate electrode of the second transistor and the scan line.