Light emitting display apparatus including an undercut along an outer periphery of an anode

1 . A light emitting display apparatus, comprising:

a planarization layer on a substrate;

a plurality of anodes provided on the planarization layer;

a bank including opening regions exposing the plurality of anodes;

a light emitting layer provided on the plurality of anodes and the bank; and

a cathode provided on the light emitting layer, the cathode including a first cathode and a second cathode,

wherein an undercut is provided at an outer portion of at least one of a first anode and a second anode adjacent to each other,

wherein the first cathode and the second cathode are disconnected from each other at the undercut and are connected to each other at an end of the first anode or the second anode or both,

wherein the first cathode covers the first anode, and the second cathode is provided in a boundary groove provided at the outer portion of the first anode, and

wherein the boundary groove is provided along the undercut.

2 . The light emitting display apparatus of claim 1 , wherein the first anode includes a main anode corresponding to an opening region and a connection anode extending from the main anode, and

a contact hole is provided in an end of the connection anode.

3 . The light emitting display apparatus of claim 1 , wherein an undercut is not provided at the end of the first anode.

4 . The light emitting display apparatus of claim 1 , wherein the light emitting layer comprises:

a first light emitting layer covering the first anode; and

a second light emitting layer provided in a boundary groove provided at the outer portion of the first anode, and

wherein the first light emitting layer and the second light emitting layer are disconnected from each other at the undercut.

5 . The light emitting display apparatus of claim 4 , wherein the first light emitting layer and the second light emitting layer are connected to each other at the end of the first anode.

6 . The light emitting display apparatus of claim 4 , wherein the bank includes a first bank and a second bank, the first bank covers the first anode, and the second bank is provided in the boundary groove.

7 . The light emitting display apparatus of claim 1 , wherein a connection electrode connecting the first anode to a driving transistor is exposed at a contact hole provided in the end of the first anode, and

wherein the first anode covers all of the connection electrode.

8 . The light emitting display apparatus of claim 1 , wherein a connection electrode connecting the first anode to a driving transistor is exposed at a contact hole provided in the end of the first anode, and

wherein the first anode covers a portion of the connection electrode.

9 . The light emitting display apparatus of claim 1 , wherein the bank includes a first bank and a second bank, the first bank covers the first anode, and the second bank is provided in the boundary groove.

10 . A light emitting display apparatus, comprising:

a planarization layer on a substrate;

at least one anode on the planarization layer, each anode of the at least one anode including a main anode portion having a rectangular shape from a plan view and a connection anode portion having an L-shape from the plan view, the connection anode portion extending from the main anode portion;

an undercut structure formed along an outer periphery of the main anode portion and the connection anode portion except at a first region in the connection anode portion;

a contact hole disposed to at least partially overlap with the connection anode portion;

a light emitting layer provided on the at least one anode; and

a cathode provided on the light emitting layer, the cathode including a first cathode and a second cathode that is disconnected with each other at the undercut structure,

wherein the first cathode and the second cathode disconnected from each other at the undercut structure are electrically connected to each other at the first region of the connection anode portion.

11 . The light emitting display apparatus of claim 10 , wherein the contact hole fully overlaps with the connection anode portion.

12 . The light emitting display apparatus of claim 10 , comprising a connection electrode electrically connecting the at least one anode to a driving transistor at the contact hole.