Display device
A display device including a substrate, a first semiconductor layer disposed on the substrate, a first gate electrode disposed on the first semiconductor layer, a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode, and a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode. The first storage electrode includes a first opening, the first electrode includes a second opening, and the first opening and the second opening overlap each other.
1 . A display device comprising:
a substrate;
a first semiconductor layer disposed on the substrate;
a first gate electrode disposed on the first semiconductor layer;
a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode; and
a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode, wherein;
the first storage electrode includes a first opening,
the first electrode includes a second opening,
the first opening and the second opening overlap each other,
the first electrode further includes a third opening, the third opening overlaps the first storage electrode, wherein the first electrode receives a driving voltage, and
an area of the second opening is larger than an area of the third opening in a plan view.
2 . The display device of claim 1 , wherein
the first capacitor is a storage capacitor,
the second capacitor is a hold capacitor, and
the first capacitor and the second capacitor overlap in a direction that is perpendicular to a surface of the substrate.
3 . The display device of claim 1 , wherein
the first semiconductor layer includes a first transistor, and
the first transistor overlaps at least portions of the first gate electrode, the first storage electrode, and the first electrode.
4 . The display device of claim 3 , wherein
the first transistor is a driving transistor.
5 . The display device of claim 1 , wherein
a size of the second opening is greater than a size of the first opening.
6 . The display device of claim 3 , wherein
the display device further includes a first data conductive layer disposed on the first electrode, and
a portion of the first data conductive layer is electrically connected to the first gate electrode.
7 . The display device of claim 6 , wherein
the display device further includes:
a first gate insulating layer disposed between the first semiconductor layer and the first gate electrode;
a second gate insulating layer disposed between the first gate electrode and the first storage electrode;
a first insulating layer disposed between the first storage electrode and the first electrode; and
a second insulating layer disposed between the first electrode and the first data conductive layer,
wherein a fourth opening passing through the first opening and the second opening is formed in the second insulating layer, the first insulating layer, and the second gate insulating layer.
8 . The display device of claim 7 , wherein
the display device further includes:
a second semiconductor layer disposed on the second insulating layer;
a third gate conductive layer disposed on the second semiconductor layer; and
a second data conductive layer disposed on the first data conductive layer.
9 . The display device of claim 8 , wherein
the display device further includes second to ninth transistors.
10 . The display device of claim 1 , wherein each of the second opening and the third opening is entirely bounded by the first electrode in the plan view.
11 . The display device of claim 1 , wherein:
the first electrode is connected to receive the driving voltage, and
the second opening overlaps the first opening in a plan view.
12 . A display device comprising:
a substrate;
a first transistor disposed on the substrate;
a first gate electrode disposed on the first transistor;
a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode; and
a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode, wherein;
the first capacitor and the second capacitor overlap in a direction that is perpendicular to a surface of the substrate,
the first storage electrode includes a first opening,
the first electrode includes a second opening,
at least portions of the first opening and the second opening overlap each other,
the first electrode further includes a third opening, the third opening overlaps the first storage electrode, wherein the first electrode receives a driving voltage, and
an area of the second opening is larger than an area of the third opening in a plan view.
13 . The display device of claim 12 , wherein
the first capacitor is a storage capacitor, and
the second capacitor is a hold capacitor.
14 . The display device of claim 12 , wherein
the first transistor is a driving transistor, and
the first transistor overlaps the first storage electrode and the first electrode.
15 . The display device of claim 12 , wherein
a size of the second opening is greater than a size of the first opening.
16 . The display device of claim 14 , wherein
the display device further includes a first data conductive layer disposed on the first electrode, and
a portion of the first data conductive layer is electrically connected to the first gate electrode.
17 . The display device of claim 16 , wherein
the display device further includes:
a first gate insulating layer disposed between the first transistor and the first gate electrode;
a second gate insulating layer disposed between the first gate electrode and the first storage electrode;
a first insulating layer disposed between the first storage electrode and the first electrode; and
a second insulating layer disposed between the first electrode and the first data conductive layer,
wherein a fourth opening passing through the first opening and the second opening is formed in the second insulating layer, the first insulating layer, and the second gate insulating layer.
18 . The display device of claim 17 , wherein
the display device includes:
a second semiconductor layer disposed on the second insulating layer;
a third gate conductive layer disposed on the second semiconductor layer; and
a second data conductive layer disposed on the first data conductive layer.
19 . The display device of claim 17 , wherein
the display device further includes second to ninth transistors.
20 . The display device of claim 19 , wherein
at least some of the first to ninth transistors are p-type transistors, and
the rest of the first to ninth transistors are n-type transistors.