Active matrix organic light-emitting diode display panel with compensation capacitor
View Patent ↗The present invention provides an active matrix organic light emitting diode display panel including a display area with a recessed space and a concave area, wherein the concave area is connected to the display area and is disposed close to the recessed space, and the concave area is provided with an RC compensation capacitor therein, which is formed by voltage lines and a scanning lines. The active matrix organic light-emitting diode display panel provided by the present invention can reduce the phenomenon of screen-splitting between the concave area and the display area on the premise of ensuring a narrow upper frame.
1. An active matrix organic light-emitting diode display panel, comprising a display area having a recessed space and a concave area, wherein the concave area is connected to the display area and disposed close to the recessed space, the concave area is provided with an RC compensation capacitor, and the active matrix organic light-emitting diode display panel further comprises voltage lines and scan lines, which are alternately disposed and stacked to form the RC compensation capacitor, wherein:
the concave area comprises a first rounded corner area and a second rounded corner area opposite to the first rounded corner area, and the scan lines overlap the voltage lines after passing through the first rounded corner area and extend to the second rounded area; and
the voltage lines comprise a metal layer and a polysilicon layer that are respectively stacked on opposite sides of the scan lines and are insulated from the scan lines, wherein the metal layer is electrically connected to the polysilicon layer through a via hole.
2. The active matrix organic light-emitting diode display panel according to claim 1 , further comprising a plurality of via holes distributed on opposite sides of the scan lines.
3. The active matrix organic light-emitting diode display panel according to claim 1 , wherein the metal layer comprises a titanium-aluminum-titanium stacked film consisting of a titanium layer, an aluminum layer, and a titanium layer.
4. The active matrix organic light-emitting diode display panel according to claim 1 , wherein the scan lines are made of a material comprising molybdenum.
5. The active matrix organic light-emitting diode display panel according to claim 1 , further comprising an insulating layer disposed between the scan lines and the voltage lines, wherein the scan lines and the voltage lines are spaced from each other by the insulating layer to form the RC compensation capacitor.
6. The active matrix organic light-emitting diode display panel according to claim 5 , wherein the insulating layer comprises a first insulating layer disposed between the scan lines and the polysilicon layer and a second insulating layer disposed between the scan lines and the metal layer, and the first insulating layer has a thickness smaller than the second insulating layer.
7. The active matrix organic light-emitting diode display panel according to claim 1 , wherein the scan lines are arranged in parallel and equally spaced.
8. An active matrix organic light-emitting diode display panel, comprising a display area having a recessed space and a concave area, wherein the concave area is connected to the display area and disposed close to the recessed space, the recessed area is provided with an RC compensation capacitor, and the active matrix organic light-emitting diode display panel further comprises voltage lines and scan lines, which are alternately disposed to form the RC compensation capacitor; and
wherein the voltage lines comprise a metal layer and a polysilicon layer that are respectively stacked on opposite sides of the scan lines and are insulated from the scan lines, the metal layer is electrically connected to the polysilicon layer through a via hole.
9. The active matrix organic light-emitting diode display panel according to claim 8 , wherein the voltage lines and the scan lines are stacked to form the RC compensation capacitor.
10. The active matrix organic light-emitting diode display panel according to claim 8 , wherein the concave area comprises a first rounded corner area and a second rounded corner area opposite to the first rounded corner area, and the scan lines overlap the voltage lines after passing through the first rounded corner area and extend to the second rounded area.
11. The active matrix organic light-emitting diode display panel according to claim 8 , further comprising a plurality of via holes distributed on opposite sides of the scan lines.
12. The active matrix organic light-emitting diode display panel according to claim 8 , wherein the metal layer comprises a titanium-aluminum-titanium stacked film consisting of a titanium layer, an aluminum layer, and a titanium layer.
13. The active matrix organic light-emitting diode display panel according to claim 8 , wherein the scan lines are made of a material comprising molybdenum.
14. The active matrix organic light-emitting diode display panel according to claim 8 , further comprising an insulating layer disposed between the scan lines and the voltage lines, wherein the scan lines and the voltage lines are spaced from each other by the insulating layer to form the RC compensation capacitor.
15. The active matrix organic light-emitting diode display panel according to claim 14 , wherein the insulating layer comprises a first insulating layer disposed between the scan lines and the polysilicon layer and a second insulating layer disposed between the scan lines and the metal layer, and the first insulating layer has a thickness smaller than the second insulating layer.
16. The active matrix organic light-emitting diode display panel according to claim 8 , wherein the scan lines are arranged in parallel and equally spaced.