Rollable display device and rollable device
A rollable display device includes a rollable display and a first protection film disposed on a first surface of the rollable display. The first protection film extends beyond a first display edge of the rollable display. The rollable display device further includes a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display. The second protection film extends beyond the first display edge of the rollable display. The rollable display device additionally includes a first adhesive layer disposed between the rollable display and the first protection film. The rollable display device further includes second adhesive layer disposed between the rollable display and the second protection film, and a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film.
1. A rollable display device comprising:
a rollable display;
a first protection film disposed on a first surface of the rollable display, wherein the first protection film extends beyond a first display edge of the rollable display;
a second protection film disposed on a second surface of the rollable display facing the first surface of the rollable display, wherein the second protection film extends beyond the first display edge of the rollable display;
a first adhesive layer disposed between the rollable display and the first protection film;
a second adhesive layer disposed between the rollable display and the second protection film; and
a first adhesion part disposed adjacent to the first display edge of the rollable display and between the first protection film and the second protection film,
wherein the first and second protection films extend beyond a point of contact between the first adhesion part and the first adhesive layer and a point of contact between the first adhesion part and the second adhesive layer,
wherein the first adhesion part has a larger modulus of elasticity than that of the first adhesive layer, and
wherein the first adhesion part has a larger modulus of elasticity than that of the second adhesive layer.
2. The rollable display device of claim 1 , wherein
the first adhesion part includes an elastomer.
3. The rollable display device of claim 1 , wherein
the first display edge extends in a first direction, and
the first adhesion part extends along the first display edge in the first direction.
4. The rollable display device of claim 1 , wherein
the first adhesion part extends beyond an edge of the first protection film and beyond an edge of the second protection film, and
the first adhesion part is in contact with the edge of the first protection film and the edge of the second protection film.
5. The rollable display device of claim 1 , wherein
at least a portion of a surface of the first protection film in contact with the first adhesion part has protrusions and depressions in an alternating arrangement, and
at least a portion of a surface of the second protection film in contact with the first adhesion part has protrusions and depressions in an alternating arrangement.
6. The rollable display device of claim 1 , wherein:
the rollable display further includes a second display edge opposite of the first display edge;
the first protection film and the second protection film extend beyond the second display edge; and
a second adhesion part disposed adjacent to the first display edge and between the first protection film and the second protection film.
7. The rollable display device of claim 6 , wherein
the second adhesion part has a larger modulus of elasticity than that of the first adhesive layer, and
the second adhesion part has a larger modulus of elasticity than that of the second adhesive layer.
8. The rollable display device of claim 6 , wherein
the second adhesion part has a different modulus of elasticity from the first adhesion part.
9. The rollable display device of claim 6 , wherein
the second display edge extends in the first direction, and
the second adhesion part extends along the second display edge in the first direction.
10. The rollable display device of claim 6 , wherein
the rollable display further includes a third display edge connecting the first display edge and the second display edge, and a fourth display edge opposite of the third display edge and connecting the first display edge and the second display edge,
the first protection film and the second protection film extend beyond the third display edge and the fourth display edge, and
further comprising: a third adhesion part disposed adjacent to the third display edge and between the first protection film and the second protection film; and
a fourth adhesion part disposed adjacent to the fourth display edge of the rollable display and between the first protection film and the second protection film.
11. The rollable display device of claim 10 , wherein:
the first display edge and the second display edge extend in the first direction;
the third display edge and the fourth display edge extend in a second direction crossing the first direction;
the third adhesion part extends along the third display edge in the second direction; and
the fourth adhesion part extends along the fourth display edge in the second direction.
12. The rollable display device of claim 10 , wherein
the first adhesion part, the second adhesion part, the third adhesion part, and the fourth adhesion part are integrally formed.
13. The rollable display device of claim 1 , wherein
the first adhesive layer has a greater adhesion strength than that of the first adhesion part, and
the second adhesive layer has a greater adhesion strength than that of the first adhesion part.
14. The rollable display device of claim 1 , wherein
the first adhesive layer and the second adhesive layer include a pressure sensitive adhesive.
15. The rollable display device of claim 1 , wherein the first protection film and the second protection film extend beyond the first and second adhesive layers.
16. The rollable display device of claim 1 , wherein a side surface of the first protection film, a side surface of the second protection film, and a side surface of the first adhesion part are coplanar.