| 摘要 |
An array substrate includes: a plurality of signal line groups, each of which is a set of a plurality of signal lines; a plurality of photoelectric conversion elements, each of which is connected to the signal lines on a pixel-to-pixel basis; a plurality of DA conversion circuits which are provided respectively corresponding to the signal line groups; a plurality of AD conversion circuits which are provided respectively corresponded to the signal line groups; and a selection circuit selecting any one of a connection of the DA conversion circuits to the respective signal line groups, and a connection of the AD conversion circuits to the respective signal line groups.
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