Display device including protruding pattern part in input sensor layer

1 . A display device comprising:

a display layer comprising a display area, a hole area disposed on a base layer, and a dam part disposed on the base layer to correspond to the hole area, the hole area being disposed adjacent to the display area and including a through-hole formed through the base layer;

an organic planarization layer disposed on the base layer in an area corresponding to the hole area only; and

an input sensor layer disposed on the display layer and comprising a flat part and a protruding pattern part surrounding the through-hole in a plan view,

wherein the input sensor layer comprises:

a base insulating layer;

a sensing insulating layer on the base insulating layer;

a cover insulating layer on the sensing insulating layer;

a first conductive layer directly on the base insulating layer; and

a second conductive layer electrically connected to the first conductive layer through a hole defined in the sensing insulating layer,

wherein the flat part includes the base insulating layer, the sensing insulating layer, the cover insulating layer, the first conductive layer, and the second conductive layer, and the protruding pattern part includes the cover insulating layer,

wherein the dam part protrudes toward the organic planarization layer, and the dam part overlaps the flat part in the plan view,

wherein the protruding pattern part is disposed directly on the organic planarization layer to contact the organic planarization layer, and

wherein a height from the base layer to an upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole corresponds to a height from the base layer to an upper surface of the input sensor layer in the display area, and

the protruding pattern part comprises a plurality of protrusions, and every protrusion of the protruding pattern part disposed on the base layer extends directly from a top surface of the organic planarization layer and has a same height as each other from the base layer.

2 . The display device of claim 1 , wherein the protruding pattern part further comprises a recess part defined between the protrusions.

3 . The display device of claim 2 , wherein each of the protrusions has a ring shape completely surrounding the through-hole in the plan view.

4 . The display device of claim 2 , wherein a sidewall of the through-hole, which defines the through-hole, comprises an exposed surface of a portion of the display layer and an exposed surface of the organic planarization layer.

5 . The display device of claim 2 , wherein the display layer further comprises:

a circuit layer disposed on the base layer;

a display element layer disposed on the circuit layer; and

an encapsulation layer configured to cover the display element layer.

6 . The display device of claim 5 , wherein the display layer further comprises

a crack dam disposed on the base layer between the dam part and the through-hole, protruding toward the organic planarization layer, and having a height less than that of the dam part.

7 . The display device of claim 6 , wherein the crack dam overlaps the protruding pattern part in the plan view.

8 . The display device of claim 5 , wherein the display layer comprises a plurality of grooves that are concavely recessed in a direction of the base layer to correspond to the hole area and are defined in the circuit layer, and the protruding pattern part overlaps at least one of the grooves in the plan view.

9 . The display device of claim 1 , wherein the protrusions only comprise the cover insulating layer.

10 . The display device of claim 1 , wherein the height from the base layer to the upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole is equal to the height from the base layer to the upper surface of the input sensor layer in the display area.

11 . A display device comprising:

a display layer comprising a display area and a hole area disposed on a base layer, the hole area being disposed adjacent to the display area and including a through-hole formed through the base layer;

an organic planarization layer disposed on the base layer in an area corresponding to the hole area only; and

an input sensor layer disposed on the display layer and comprising a base insulating layer, a sensing insulating layer on the base insulating layer, a cover insulating layer on the sensing insulating layer, a first conductive layer directly on the base insulating layer, and a second conductive layer electrically connected to the first conductive layer through a hole defined in the sensing insulating layer,

wherein the display layer further comprises:

a circuit layer disposed on the base layer;

a display element layer disposed on the circuit layer;

an encapsulation layer configured to cover the display element layer;

a dam part disposed on the base layer to correspond to the hole area and protruding toward the organic planarization layer; and

a crack dam disposed on the base layer to protrude toward the organic planarization layer and disposed between the dam part and the through-hole in an area corresponding to the hole area,

wherein the input sensor layer comprises a protruding pattern part disposed directly on the organic planarization layer to contact the organic planarization layer and overlapping the crack dam in a plan view, and a flat part overlaps the dam part in the plan view,

wherein the flat part includes the base insulating layer, the sensing insulating layer, the cover insulating layer, the first conductive layer, and the second conductive layer, and the protruding pattern part includes the cover insulating layer, and

wherein a height from the base layer to an upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole corresponds to a height from the base layer to an upper surface of the input sensor layer in the display area, and

the protruding pattern part comprises a plurality of protrusions, and every protrusion of the protruding pattern part disposed on the base layer extends directly from a top surface of the organic planarization layer and has a same height as each other from the base layer.

12 . The display device of claim 11 , wherein the plurality of protrusions are formed by the cover insulating layer, and

wherein the protruding pattern part comprises

a recess part defined between the protrusions to expose the top surface of the organic planarization layer.

13 . The display device of claim 12 , wherein each of the protrusions has a ring shape completely surrounding the through-hole in the plan view.

14 . The display device of claim 11 , wherein the height from the base layer to the upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole is equal to the height from the base layer to the upper surface of the input sensor layer in the display area.

15 . A display device comprising:

an electronic module; and

a display module comprising a display layer and an input sensor layer disposed on a base layer, the display layer including a through-hole formed through the base layer and overlapping the electronic module, and an organic planarization layer surrounding the through-hole and disposed between the display layer and the input sensor layer,

wherein the input sensor layer includes a protruding pattern part and a flat part, the input sensor layer comprises:

a base insulating layer;

a sensing insulating layer on the base insulating layer;

a cover insulating layer on the sensing insulating layer;

a first conductive layer directly on the base insulating layer; and

a second conductive layer electrically connected to the first conductive layer through a hole defined in the sensing insulating layer,

wherein the flat part includes the base insulating layer, the sensing insulating layer, the cover insulating layer, the first conductive layer, and the second conductive layer, and the protruding pattern part is disposed directly on the organic planarization layer to contact the organic planarization layer and to surround the through-hole in a plan view,

wherein the display layer comprises a display area, a hole area disposed adjacent to the display area and including the through-hole, and a dam part disposed on the base layer to correspond to the hole area,

wherein the dam part protrudes toward the organic planarization layer, and the dam part overlaps the flat part,

wherein the organic planarization layer is disposed corresponding to the hole area only, and

wherein a height from the base layer to an upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole corresponds to a height from the base layer to an upper surface of the input sensor layer in the display area, and

the protruding pattern part includes the cover insulating layer and comprises a plurality of protrusions, and every protrusion of the protruding pattern part disposed on the base layer extends directly from a top surface of the organic planarization layer and has a same height as each other from the base layer.

16 . The display device of claim 15 , wherein plurality of protrusions include at least one of the base insulating layer, the sensing insulating layer, or the cover insulating layer.

17 . The display device of claim 16 , wherein the display layer comprises:

a circuit layer disposed on the base layer;

a display element layer disposed on the circuit layer;

an encapsulation layer configured to cover the display element layer; and

a crack dam disposed on the base layer to protrude toward the organic planarization layer and disposed between the dam part and the through-hole, and

wherein the protruding pattern part overlaps the crack dam in the plan view.

18 . The display device of claim 15 , wherein the height from the base layer to the upper surface of the protruding pattern part in the hole area disposed adjacent to the through hole is equal to the height from the base layer to the upper surface of the input sensor layer in the display area.