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1. An OLED display device, comprising:
a first substrate including a plurality of control signal lines and a plurality of data signal lines crossing each other, and a plurality of pixels located in a matrix at intersections of the plurality of control signal lines and the plurality of data signal lines; and a second substrate facing the first substrate; wherein: the plurality of pixels each include:
a pixel circuit to which a data voltage supplied from the corresponding data signal line is written in accordance with a control signal supplied from the corresponding control signal line; andan OLED display element including a first electrode supplied with a current from the pixel circuit in accordance with the data voltage, and a second electrode supplied with a power supply voltage; and the first substrate and the second substrate each include a plurality of power supply lines; the plurality of power supply lines of the first substrate and the plurality of power supply lines of the second substrate are respectively connected to each other via a conductive member; and each of the plurality of power supply lines is connected to the second electrode of the OLED display element.
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