Light emitting display device
A light emitting display device includes a first pixel positioned in a first display area, the first pixel including a first driving circuit part including a first boost capacitor, and a first driving transistor, and a first light-emitting element; a second pixel positioned in a second display area, the second pixel including a second driving circuit part including a second boost capacitor, and a second driving transistor, and a second light-emitting element; and a third pixel positioned in a third display area positioned at a boundary part of the first display area and the second display area, the third pixel including a third driving circuit part including a third boost capacitor, and a third driving transistor, and a third light-emitting element, wherein the first boost capacitor, the second boost capacitor, and the third boost capacitor have different capacitance values.
1 . A light emitting display device comprising:
a non-display area;
a display area; and
a scan driver generating a scan signal,
wherein the display area includes:
a first pixel positioned in a first display area, the first pixel including:
a first driving circuit part including:
a first boost capacitor; and
a first driving transistor; and
a first light-emitting element;
a second pixel positioned in a second display area, the second pixel including:
a second driving circuit part including:
a second boost capacitor; and
a second driving transistor; and
a second light-emitting element; and
a third pixel positioned in a third display area positioned at a boundary part of the first display area and the second display area, the third pixel including:
a third driving circuit part including:
a third boost capacitor; and
a third driving transistor; and
a third light-emitting element,
wherein the scan driver transmits the scan signal to the first driving circuit part of the first pixel, the second driving circuit part of the second pixel, and the third driving circuit part of the third pixel,
wherein at least a part of the scan driver positioned in the display area,
wherein at least one of the second light-emitting element is positioned above the at least a part of the scan driver positioned in the display area, and
wherein the first boost capacitor, the second boost capacitor, and the third boost capacitor have different capacitance values.
2 . The light emitting display device of claim 1 , wherein the third boost capacitor has a capacitance value greater than a capacitance value of the first boost capacitor or a capacitance value of the second boost capacitor.
3 . The light emitting display device of claim 2 , wherein the first pixel is further positioned in the third display area.
4 . The light emitting display device of claim 3 , wherein the capacitance value of the third boost capacitor of the third pixel is greater than the capacitance value of the first boost capacitor of the first pixel.
5 . The light emitting display device of claim 4 , wherein
a magnitude of the second driving transistor of the second pixel is greater than a magnitude of the first driving transistor and a magnitude of the third driving transistor, and
the magnitude of the first driving transistor and the magnitude of the third driving transistor are equal to each other.
6 . The light emitting display device of claim 2 , wherein the second pixel is further positioned in the third display area.
7 . The light emitting display device of claim 6 , wherein the capacitance value of the third boost capacitor of the third pixel is greater than the capacitance value of the second boost capacitor of the second pixel.
8 . The light emitting display device of claim 7 , wherein
a magnitude of the second driving transistor of the second pixel is greater than a magnitude of the first driving transistor, and
the magnitude of the second driving transistor of the second pixel is equal to a magnitude of the third driving transistor.
9 . The light emitting display device of claim 1 , wherein
the first pixel, the second pixel, and the third pixel each further include:
a second transistor transmitting a data voltage; and
a third transistor connecting a gate electrode and a second electrode of each of the first driving transistor, the second driving transistor, and the third driving transistor, and
each of the first boost capacitor, the second boost capacitor, and the third boost capacitor is formed between the gate electrode and the second electrode of the third transistor, and
each of the first boost capacitor, the second boost capacitor, and the third boost capacitor is also electrically connected to the gate electrode of each of the first driving transistor, the second driving transistor, and the third driving transistor.
10 . The light emitting display device of claim 9 , wherein
each of the first driving transistor, the second driving transistor, the third driving transistor, and the second transistor is a p-type transistor, and
the third transistor is an n-type transistor.
11 . The light emitting display device of claim 2 , wherein the second display area is divided into:
an overlapping region where the second driving circuit part and the second light-emitting element overlap each other in a plan view; and
a non-overlapping region where the second driving circuit part and the second light-emitting element do not overlap each other in a plan view.
12 . The light emitting display device of claim 11 , wherein the second light-emitting element positioned in the non-overlapping region overlaps the scan driver in a plan view.
13 . The light emitting display device of claim 2 , wherein the first light-emitting element, the second light-emitting element, and the third light-emitting element display a same color and have a same magnitude in a plan view.
14 . The light emitting display device of claim 2 , wherein the second driving circuit part is electrically connected to one or more of the second light-emitting element.
15 . A light emitting display device comprising:
a polycrystalline semiconductor layer on a substrate;
a first gate conductive layer positioned over the polycrystalline semiconductor layer and electrically insulated from the polycrystalline semiconductor layer, the first gate conductive layer including a gate electrode of a driving transistor and a first scan line;
a second gate conductive layer positioned over the first gate conductive layer and electrically insulated from the first gate conductive layer, the second gate conductive layer including a first storage electrode for a storage capacitor;
an oxide semiconductor layer positioned over the second gate conductive layer and electrically insulated from the second gate conductive layer;
a third gate conductive layer positioned over the oxide semiconductor layer and electrically insulated from the oxide semiconductor layer, the third gate conductive layer including a second scan line;
a first data conductive layer positioned over the second gate conductive layer and electrically insulated from the second gate conductive layer, the first data conductive layer including a first connecting member electrically connecting the oxide semiconductor layer and the gate electrode of the driving transistor; and
a second data conductive layer electrically insulated from the first data conductive layer and positioned over the first data conductive layer, the second data conductive layer including a data line and a driving voltage line,
wherein the first connecting member is extended in a different direction of an extending direction of the second scan line and the first connecting member further includes a protruded part extending in a corresponding direction of the extending direction of the second scan line and overlapping the second scan line in a plan view.
16 . The light emitting display device of claim 15 , wherein a boost capacitor is formed where the first connecting member, the protruded part, and the second scan line overlap each other in a plan view.
17 . The light emitting display device of claim 16 , wherein
the first storage electrode has an opening, and
the first connecting member is electrically connected to the gate electrode of the driving transistor through the opening.
18 . The light emitting display device of claim 17 , wherein the first storage electrode overlaps the gate electrode of the driving transistor in a plan view to form the storage capacitor.
19 . The light emitting display device of claim 15 , further comprising:
an anode positioned on the second data conductive layer,
wherein the anode overlaps in a plan view a scan driver that generates a scan signal to the first scan line or the second scan line.
20 . The light emitting display device of claim 15 , wherein another first connecting member adjacent to the first connecting member does not have a protruded part extending along the second scan line as the protruded part of the first connecting member.