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US 2021/0082980 A1Published application
Image sensing device
AssigneeSK hynix Inc.
InventorChoong-Sik RYU
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Abstract
An image sensing device includes a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a plurality of pixel signals, and a plurality of readout circuits coupled to the pixel array, and suitable for compensating for readout deviations among the plurality of pixel signals when reading out the plurality of pixel signals.
Claims20
An image sensing device comprising:
- a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a plurality of pixel signals;
- and
- a plurality of readout circuits coupled to the pixel array, and suitable for compensating for readout deviations among the plurality of pixel signals when reading out the plurality of pixel signals.
An image sensing device comprising:
- a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a plurality of pixel signals to a plurality of column lines;
- a plurality of detectors coupled to the plurality of column lines, and suitable for outputting a plurality of detection signals, corresponding to respective voltage levels of the pixel signals, to a plurality of readout lines;
- a plurality of counters coupled to the plurality of readout lines, and suitable for counting the plurality of detection signals, respectively;
- and
- a plurality of compensators coupled to the plurality of readout lines, and suitable for applying respective predetermined resistance values in the plurality of readout lines;
- wherein different predetermined resistance values are applied in each of the plurality of readout lines.
3 more elements
An image sensing device comprising:
- a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a plurality of pixel signals to a plurality of column lines;
- a plurality of detectors coupled to the plurality of column lines, and suitable for outputting a plurality of detection signals, corresponding to respective voltage levels of the pixel signals, to a plurality of readout lines;
- a plurality of counters coupled to the plurality of readout lines, and suitable for counting the plurality of detection signals, respectively;
- and
- a plurality of compensators coupled to the plurality of readout lines, and suitable for selectively applying one of two or more resistance values in each of the readout lines under the control of two or more common control signals.
2 more elements
Dependencies are inferred from the claim text.