Patent ID: 11900872
Assignee: SHARP KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The display device according to claim 1,
wherein the display portion further includes a current monitoring line provided corresponding to each of the columns of the pixel matrix,
the data signal line drive circuit has a function of measuring a current flowing in the current monitoring line,
the pixel circuit includes
the display element including a first terminal and a second terminal,
the drive transistor including a control terminal, a first conduction terminal, and a second conduction terminal,
a writing control transistor including a control terminal connected to the scanning signal line, a first conduction terminal connected to the data signal line, and a second conduction terminal connected to the control terminal of the drive transistor,
a monitoring control transistor including a control terminal connected to the scanning signal line, a first conduction terminal connected to the second conduction terminal of the drive transistor and the first terminal of the display element, and a second conduction terminal connected to the current monitoring line, and
a capacitive element connected, at one end, to the control terminal of the drive transistor and configured to hold a potential of the control terminal of the drive transistor, and

the second output terminal is connected to a corresponding scanning signal line.