Protective film and display device including the same
A protective film comprises a first film layer, a second film layer disposed on a first surface of the first film layer, and an adhesive layer disposed on a second surface of the first film layer, which is opposite to the first surface, and a through hole is defined through the second film layer to expose the first surface of the first film layer.
1 . A display device comprising:
a display panel;
a window disposed on the display panel; and
a protective film disposed on the window, wherein the protective film comprises a first film layer, a second film layer disposed on a first surface of the first film layer, and adhesive layer disposed on a second surface of the first film layer, which is opposite to the first surface,
wherein the a through hole is defined through the second film layer to expose the first surface of the first film layer.
2 . The display device of claim 1 , wherein
the window comprises a flat area and a curved area surrounding the flat area, and
the through hole is defined in the curved area.
3 . The display device of claim 1 , wherein an elongation rate of the first film layer is greater than an elongation rate of the second film layer.
4 . The display device of claim 1 , wherein the first film layer comprises polyethylene.
5 . The display device of claim 1 , wherein the second film layer comprises polyethylene terephthalate.
6 . The display device of claim 1 , wherein the second film layer further comprises:
a first film piece disposed inside the through hole and having a circular shape;
a second film piece surrounding the first film piece; and
a third film piece extending from the first film piece to the second film piece.
7 . The display device of claim 1 , wherein the second film layer further comprises:
a plurality of first film extensions disposed inside the through hole and extending in a first direction; and
a plurality of second film extensions disposed inside the through hole and extending in a second direction perpendicular to the first direction.
8 . The display device of claim 1 , wherein the second film layer further comprises:
a plurality of film patterns disposed inside the through hole and having a hexagonal shape.
9 . The display device of claim 1 , wherein the second film layer further comprises:
a film pattern disposed inside the through hole and having a spiral shape.