Patent ID: 11886674
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. A touch display apparatus comprising:
a device substrate;
a lower planarization layer on the device substrate;
an upper planarization layer on the lower planarization layer;
a bank insulating layer on the upper planarization layer, the bank insulating layer laterally surrounding emission areas;
pixel electrodes, each of the pixel electrodes being disposed on one of the emission areas of the device substrate, each of the pixel electrodes extending into the upper planarization layer;
light-emitting layers, each of the light-emitting layers being disposed on one of the pixel electrodes;
upper electrodes on the bank insulating layer and the light-emitting layers, the upper electrodes being disposed side by side in a first direction and side by side in a second direction, the second direction being perpendicular to the first direction;
an encapsulating element on the upper electrodes;
first link wires disposed between the lower planarization layer and the upper planarization layer, the first link wires extending in the first direction;
second link wires disposed between the lower planarization layer and the upper planarization layer, the second link wires being spaced away from the first link wires;
a first contact hole that extends fully through the upper planarization layer to expose an upper surface of the lower planarization layer and an upper surface of one of the first link wires;
a second contact hole that extends fully through the bank insulating layer and overlaps with the first contact hole; and
a first encapsulation layer that extends into the first contact hole and is in direct contact with the one of the first link wires;
wherein one of the upper electrodes includes a cathode electrode and a touch electrode that are spaced away from each other,
wherein the cathode electrode extends into the first contact hole and the second contact hole and is in direct contact with the one of the first link wires and the upper surface of the lower planarization layer, and
wherein the touch electrode is connected to one of the second link wires.