Patent ID: 11922875
Assignee: SHARP KABUSHIKI KAISHA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The display device according to claim 3, wherein
each of the plurality of pixel circuits further includes:
a threshold compensation switching element;
a control voltage initialization switching element; and
first and second emission control switching elements each as the emission control switching element, wherein
the drive transistor includes
a first conductive terminal that is connected to a corresponding data signal line via the write control switching element and is connected to the first power line via the first emission control switching element,
a second conductive terminal that is connected to the first electrode of the display element via the second emission control switching element, and
a control terminal that is connected to the second conductive terminal via the threshold compensation switching element, is connected to the first power line via the holding capacitor, and is connected to the initialization voltage line via the control voltage initialization switching element,
a control terminal of the control voltage initialization switching element is connected to a scanning signal line selected before the corresponding scanning signal line,
control terminals of the first and second emission control switching elements and the display element initialization switching element are connected to the corresponding emission control line,
the drive transistor, the write control switching element, and the first and second emission control switching elements are P-channel transistors, and
the threshold compensation switching element, the control voltage initialization switching element, and the display element initialization switching element are N-channel transistors that each have a channel layer formed of an oxide semiconductor.