Display device

A display device comprising:

• pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row;
• dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row;
• sensor circuits arranged in the interval between the pixel circuits on the second pixel row;
• light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits;
• first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits;
• and
• second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits,
• wherein one of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements, wherein the sensor circuits are disposed adjacent to the dummy sensor circuits in a second direction intersecting the first direction.

A display device comprising:

• a backplane structure including pixel circuits, dummy sensor circuits, and sensor circuits;
• and
• a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and light receiving elements connected to the sensor circuits,
• wherein each of the sensor circuits is commonly connected to at least four of the light emitting elements,
• wherein at least four of the pixel circuits are disposed between the sensor circuits adjacent to each other on the same pixel row.

A display device comprising:

• a backplane structure including pixel circuits, dummy sensor circuits, and sensor circuits;
• and
• a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and light receiving elements connected to the sensor circuits,
• wherein each of the sensor circuits is commonly connected to at least four of the light emitting elements,
• wherein each of the pixel circuits comprises:
• a first pixel transistor receiving a first power voltage from a first power line and generating a driving current supplied to one of the light emitting elements;
• a second pixel transistor connected between a data line and a first electrode of the first pixel transistor, the second pixel transistor including a gate electrode connected to a corresponding first scan line;
• and
• a third pixel transistor connected between a gate electrode of the first pixel transistor and a second power line through which a second power voltage is provided, the third pixel transistor including a gate electrode connected to a corresponding second scan line, and
• wherein each of the dummy sensor circuits in a first pixel row comprises:
• a first dummy sensor transistor connected to a third power line through which a third power voltage is provided;
• a second dummy sensor transistor connected between the first dummy sensor transistor and the third power line, the second dummy sensor transistor including a gate electrode connected to a first scan line of the first pixel row;
• and
• a third dummy sensor transistor connected between a fourth power line through which a fourth power voltage is provided and a gate electrode of the first dummy sensor transistor, the third dummy sensor transistor including a gate electrode connected to a control line.