IP Library › Granted Patent US 12666831
Granted Patent B2
US 12666831 · App. 18/334,508 · Granted Jun 23, 2026

Display device

Inventor: Kang-Yong Lee (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/131H10K59/123H10K59/8722H10K2102/311
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Quick Facts
Patent No.
US 12666831
App. No.
18/334,508
Granted
Jun 23, 2026
Kind
B2
Abstract

A display device includes a display panel including a display area, a pad area spaced apart from a display area, and a bending area located between a display area and a pad area and bent from a display area, a protective film disposed under a display panel, having an opening exposing a portion of a lower surface of a display panel, and overlapping a display area and a pad area in a plan view, a first adhesive layer disposed under a display panel and a protective film, integrally formed to overlap a display area, a pad area, and a bending area in a plan view, and covering an opening, and, a cushion layer disposed under a first adhesive layer, integrally formed to overlap a display area, a pad area, and a bending area in a plan view, and covering an opening.

Claims (36)

1 . A display device comprising:

a display panel including:

a display area;

a pad area spaced apart from the display area; and

a bending area located between the display area and the pad area and bent from the display area;

a protective film disposed under the display panel, having an opening exposing a portion of a lower surface of the display panel, and overlapping the display area and the pad area in a plan view;

a first adhesive layer disposed under the display panel and the protective film, extending continuously from the display area to the pad area to overlap the display area, the pad area, and the bending area in a plan view, covering the opening and directly contacting the display panel in the bending area; and

a cushion layer disposed under the first adhesive layer, extending continuously from the display area to the pad area to overlap the display area, the pad area, and the bending area in a plan view, and covering the opening.

2 . The display device of claim 1 , wherein the opening overlaps the bending area in a plan view.

3 . The display device of claim 1 , wherein a portion of the first adhesive layer is disposed in the opening.

4 . The display device of claim 1 , wherein a portion of the cushion layer is disposed in the opening.

5 . The display device of claim 1 , wherein the first adhesive layer contacts the lower surface of the display panel in the opening.

6 . The display device of claim 5 , wherein the first adhesive layer is spaced apart from an inner surface of the opening.

7 . The display device of claim 5 , wherein the first adhesive layer contacts an inner surface of the opening.

8 . The display device of claim 7 , wherein the first adhesive layer entirely covers the inner surface of the opening and the lower surface of the display panel in the opening.

9 . The display device of claim 1 , wherein the first adhesive layer and the cushion layer have flexibility.

10 . The display device of claim 1 , wherein a thickness of the cushion layer is in a range of about 50 micrometers to about 90 micrometers.

11 . The display device of claim 1 , wherein a thickness of the first adhesive layer is in a range of about 10 micrometers to about 50 micrometers.

12 . The display device of claim 1 , further comprising:

a second adhesive layer disposed under the cushion layer and overlapping the pad area in a plan view.

13 . The display device of claim 12 , wherein a thickness of the second adhesive layer is in a range of about 10 micrometers to about 50 micrometers.

14 . The display device of claim 12 , further comprising:

a metal layer disposed under the cushion layer and overlapping the display area in a plan view.

15 . The display device of claim 14 , wherein the second adhesive layer contacts the metal layer in a bent state of the bending area.

16 . The display device of claim 1 , further comprising:

a filling member disposed under the cushion layer and overlapping the bending area in a plan view.

17 . The display device of claim 16 , wherein the filling member overlaps the opening in a plan view.

18 . The display device of claim 16 , wherein the filling member and the cushion layer include a same material.

19 . The display device of claim 1 , further comprising:

a pad part disposed on an upper surface opposite to the lower surface of the display panel and overlapping the pad area in a plan view.

20 . The display device of claim 19 , wherein the display panel includes:

a transistor electrically connected to the pad part;

a pixel electrode disposed on the transistor and electrically connected to the transistor;

an emission layer disposed on the pixel electrode;

a common electrode disposed on the emission layer; and

an encapsulation layer disposed on the common electrode and including at least one inorganic encapsulation layer and at least one organic encapsulation layer.