Imaging device and imaging system
View Patent ↗An imaging device including pixels including a first pixel and a second pixel, the pixels arranged in rows and columns, the first pixel belonging to a first column, the second pixel belonging to a second column adjacent the first column; a first signal path through which a signal from the first pixel flows; and a second signal path through which a signal from the second pixel flows, a first circuit including first and second lines, a first voltage being applied to the first lines, a second voltage different from the first voltage applied to the second lines. The first signal path is located in a region closer to one of the first lines than any of the second lines in a plan view, and the second signal path is located in a region closer to one of the second lines than any of the first lines in the plan view.
1. An imaging device comprising:
pixels including a first pixel and a second pixel, the pixels being arranged in rows and columns, the first pixel belonging to a first column, the second pixel belonging to a second column adjacent to the first column;
a first signal path through which a signal from the first pixel flows;
a second signal path through which a signal from the second pixel flows; and
a first circuit including first lines and second lines, a first voltage being applied to the first lines, a second voltage different from the first voltage being applied to the second lines, wherein
the first signal path is located in a region closer to one of the first lines than any of the second lines in a plan view,
the second signal path is located in a region closer to one of the second lines than any of the first lines in the plan view, and
the first signal path and the second signal path extend between the one of the first lines and the one of the second lines in the plan view.
2. The imaging device according to claim 1 , wherein each of the first lines and each of the second lines extend along a first direction in the plan view.
3. The imaging device according to claim 2 , wherein the first signal path and the second signal path extend along the first direction.
4. The imaging device according to claim 2 , wherein the first lines and the second lines are arranged alternately along a second direction perpendicular to the first direction in the plan view.
5. The imaging device according to claim 1 , wherein
the first voltage is a power supply voltage, and
the second voltage is a ground voltage.
6. The imaging device according to claim 1 , wherein the first circuit includes a buffer circuit coupled to the first lines and the second lines.
7. The imaging device according to claim 1 , wherein
the pixels include a third pixel belonging to a third column adjacent to the second column, the third column being different from the first column,
the imaging device further comprises a third signal path through which a signal from the third pixel flows, and
the third signal path is located in a region closer to one of the first lines than any of the second lines in the plan view.
8. The imaging device according to claim 7 , wherein
the pixels include a fourth pixel belonging to a fourth column adjacent to the third column, the fourth column being different from the second column,
the imaging device further comprises a fourth signal path through which a signal from the fourth pixel flows, and
the fourth signal path is located in a region closer to one of the second lines than any of the first lines in the plan view.
9. The imaging device according to claim 8 , wherein
the first pixel includes a first filter,
the second pixel includes a second filter,
the third pixel includes a third filter,
the fourth pixel includes a fourth filter,
a transmission wavelength band of the first filter is different from a transmission wavelength band of the second filter,
the transmission wavelength band of the first filter is the same as a transmission wavelength band of the third filter, and
the transmission wavelength band of the second filter is the same as a transmission wavelength band of the fourth filter.
10. The imaging device according to claim 7 , wherein
the first pixel includes a first filter,
the second pixel includes a second filter,
the third pixel includes a third filter,
a transmission wavelength band of the first filter is different from a transmission wavelength band of the second filter, and
the transmission wavelength band of the first filter is the same as a transmission wavelength band of the third filter.
11. The imaging device according to claim 1 , wherein
the first pixel includes a first filter,
the second pixel includes a second filter, and
a transmission wavelength band of the first filter is different from a transmission wavelength band of the second filter.
12. The imaging device according to claim 1 , wherein the first circuit includes a pre-stage circuit and a comparator.
13. The imaging device according to claim 1 , wherein the first circuit is coupled between the pixels and an AD converter.
14. An imaging device comprising:
pixels including a first pixel and a second pixel, the pixels being arranged in rows and columns, the first pixel belonging to a first column, the second pixel belonging to a second column adjacent to the first column;
a first signal path through which a signal from the first pixel flows;
a second signal path through which a signal from the second pixel flows; and
a first circuit including first lines and second lines, a first voltage being applied to the first lines, a second voltage different from the first voltage being applied to the second lines, wherein
the first signal path is located in a region closer to one of the first lines than any of the second lines in a plan view,
the second signal path is located in a region closer to one of the second lines than any of the first lines in the plan view,
the first circuit includes a first transistor of a first conductivity type and a second transistor of a second conductivity type different from the first conductivity type,
the first transistor is coupled to one of the first lines, and
the second transistor is coupled to one of the second lines.
15. An imaging device comprising:
pixels including a first pixel and a second pixel, the pixels being arranged in rows and columns, the first pixel belonging to a first column, the second pixel belonging to a second column adjacent to the first column;
a first signal path through which a signal from the first pixel flows;
a second signal path through which a signal from the second pixel flows; and
a first circuit including first lines and second lines, a first voltage being applied to the first lines, a second voltage different from the first voltage being applied to the second lines, wherein
the first signal path is located in a region closer to one of the first lines than any of the second lines in a plan view,
the second signal path is located in a region closer to one of the second lines than any of the first lines in the plan view, and
the pixels include a first OB pixel, the first OB pixel being an optical black pixel,
the imaging device further comprising:
a signal processing circuit; and
a first OB path through which a signal from the first OB pixel flows, wherein
the first OB path is located in a region closer to one of the first lines than any of the second lines in a plan view, and
the signal processing circuit performs an optical black correction on the signal from the first pixel with use of the signal from the first OB pixel.
16. An imaging device comprising:
pixels including a first pixel and a second pixel, the pixels being arranged in rows and columns, the first pixel belonging to a first column, the second pixel belonging to a second column adjacent to the first column;
a first signal path through which a signal from the first pixel flows;
a second signal path through which a signal from the second pixel flows; and
a first circuit including first lines and second lines, a first voltage being applied to the first lines, a second voltage different from the first voltage being applied to the second lines, wherein
the first signal path is located in a region closer to one of the first lines than any of the second lines in a plan view,
the second signal path is located in a region closer to one of the second lines than any of the first lines in the plan view, and
the first voltage is one of a power supply voltage or a ground voltage.
17. The imaging device according to claim 16 , wherein the second voltage is the other of the power supply voltage or the ground voltage.
18. The imaging device according to claim 16 , wherein
the pixels include a third pixel belonging to a third column adjacent to the second column, the third column being different from the first column,
the imaging device further comprises a third signal path through which a signal from the third pixel flows, and
the third signal path is located in a region closer to one of the first lines than any of the second lines in the plan view.
19. The imaging device according to claim 16 , wherein
the first pixel includes a first filter,
the second pixel includes a second filter, and
a transmission wavelength band of the first filter is different from a transmission wavelength band of the second filter.
20. The imaging device according to claim 18 , wherein
the first pixel includes a first filter,
the second pixel includes a second filter,
the third pixel includes a third filter,
a transmission wavelength band of the first filter is different from a transmission wavelength band of the second filter, and
the transmission wavelength band of the first filter is the same as a transmission wavelength band of the third filter.