| 摘要 |
A luminescent display device includes a substrate and a thin-film transistor above the substrate. The thin-film transistor includes a semiconductor layer, a gate insulating film on the semiconductor layer, a gate electrode on the gate insulating film, a source electrode, and a drain electrode. The luminescent display device further includes an interlayer insulating film on the gate electrode, a first capacitor electrode on the interlayer insulating film in a region above the gate electrode, and a luminescent element configured to be driven by a driver to produce luminescence. The driver includes the thin-film transistor, and the first capacitor electrode and the gate electrode constitute a capacitor. |
| 主权项 |
1. A luminescent display device, comprising:
a substrate; and a plurality of pixels above the substrate, each of the pixels including:
a thin film transistor above the substrate, the thin film transistor including:
a semiconductor layer comprising a channel region, a source region, and a drain region;a source electrode electrically connected to the source region of the semiconductor layer; anda drain electrode electrically connected to the drain region of the semiconductor layer;a lower electrode above the substrate, the lower electrode including a first portion and a second portion, the first portion of the lower electrode being provided in a region in which the thin film transistor is provided, the first portion of the lower electrode comprising a gate electrode of the thin film transistor, the second portion of the lower electrode being provided in a region other than the region in which the thin-film transistor is provided the lower electrode, including the first portion and the second portion, comprising one continuous layer;an interlayer insulating film on the lower electrode;an upper electrode on the interlayer insulating film, the upper electrode including a first portion and a second portion, the upper electrode, including the first portion and the second portion, comprising one continuous layer, the first portion of the upper electrode comprising a capacitor electrode directly above the gate electrode, the first portion of the upper electrode further comprising the source electrode, the capacitor electrode and the source electrode being connected via a through-hole in the interlayer insulating film; anda luminescent element configured to be driven by a driver to produce luminescence, the driver including the thin film transistor, wherein the first portion of the upper electrode and the first portion of the lower electrode comprise a first capacitance, and the second portion of the upper electrode and the second portion of the lower electrode comprise a second capacitance. |
