US 11,843,885 B2
Image sensing device and operating method thereof
Choong Sik Ryu, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Oct. 30, 2020, as Appl. No. 17/085,848.
Claims priority of application No. 10-2020-0064429 (KR), filed on May 28, 2020.
Prior Publication US 2021/0377474 A1, Dec. 2, 2021
Int. Cl. H04N 25/75 (2023.01); H04N 25/671 (2023.01); H04N 23/84 (2023.01); H04N 25/76 (2023.01)
CPC H04N 25/75 (2023.01) [H04N 23/843 (2023.01); H04N 25/671 (2023.01); H04N 25/76 (2023.01)] 27 Claims
OG exemplary drawing
 
9. An image sensing device comprising:
a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a first group of pixel signals and a second group of pixel signals for each row;
a plurality of first readout circuits coupled to the pixel array, and suitable for compensating for readout deviations among the first group of pixel signals, based on a plurality of first bias voltages having different voltage levels according to dispositions of the plurality of first readout circuits, when reading out the first group of pixel signals; and
a plurality of second readout circuits coupled to the pixel array, and suitable for compensating for readout deviations among the second group of pixel signals according to dispositions of the plurality of second readout circuits, based on a plurality of second bias voltages having different voltage levels, when reading out the second group of pixel signals.