Display apparatus
A display apparatus includes: a display panel configured to be rolled or unrolled; at least one vibration module at a rear surface of the display panel, the at least one vibration module being configured to be rolled or unrolled with the display panel and to vibrate the display panel; a partition at the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module; and a plurality of rigid members at the rear surface of the display panel, the plurality of rigid members extending in a first direction and being spaced apart from each other in a second direction vertical to the first direction in a state in which the plurality of rigid members are not coupled or connected to each other.
1 . A display apparatus, comprising:
a display panel comprising a first area and a second area, the display panel being configured to display an image;
a housing module comprising a roller configured to allow the display panel to be rolled up in the housing module;
a rolling module comprising a structure connected to the display panel, the rolling module being configured to unroll the display panel in accordance with unfolding of the structure by rotation of the roller;
a plurality of vibration modules on a rear surface of the display panel, the plurality of vibration modules being configured to be rolled or unrolled with the display panel, and to vibrate the first area and the second area of the display panel in an unrolled state;
a partition at the rear surface of the display panel; and
a plurality of rigid members at the rear surface of the display panel, the plurality of rigid members extending in a first direction and being spaced apart from each other in a second direction vertical to the first direction in a state in which the plurality of rigid members are not coupled or connected to each other,
wherein the partition is connected to the rear surface of the display panel to surround lateral surfaces of the plurality of vibration modules and is spaced apart from the lateral surfaces of the plurality of vibration modules,
wherein an entirety of the partition is covered by the rear surface of the display panel, and
wherein the partition is configured to be rolled or unrolled together with the display panel.
2 . The display apparatus of claim 1 , wherein each of the plurality of vibration modules comprises a piezoelectric material.
3 . The display apparatus of claim 1 , wherein the partition comprises:
a first partition surrounding the first area on all sides; and
a second partition surrounding the second area on all sides.
4 . The display apparatus of claim 1 , wherein each of the plurality of vibration modules comprises:
a plurality of first portions having a piezoelectric property; and
a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.
5 . The display apparatus of claim 4 , wherein:
the plurality of second portions are configured to fill a gap between two first portions adjacent to each other among the plurality of first portions, or
the plurality of second portions are configured to connect between a lateral surface of each of two first portions adjacent to each other among the plurality of first portions, or
each of the plurality of first portions does not overlap with each of the plurality of second portions.
6 . The display apparatus of claim 4 , wherein the plurality of first portions and the plurality of second portions are configured to vibrate the display panel.
7 . The display apparatus of claim 4 , wherein the plurality of rigid members are located at the partition.
8 . The display apparatus of claim 7 , wherein:
the plurality of rigid members are configured to correspond to the plurality of first portions; and
the plurality of rigid members are arranged on a rear surface of the partition at a constant interval.
9 . The display apparatus of claim 7 , wherein the plurality of rigid members comprises:
a plurality of first rigid members that correspond to the plurality of first portions and are arranged at a first distance; and
a plurality of second rigid members that do not correspond to the plurality of first portions and are arranged at a second distance greater than the first distance.
10 . The display apparatus of claim 4 , wherein the plurality of rigid members are attached to the rear surface of the display panel.
11 . The display apparatus of claim 10 , wherein the plurality of rigid members comprises third rigid members outside the partition, the third rigid members extending in the first direction and being spaced apart from each other in the second direction.
12 . The display apparatus of claim 10 , wherein the plurality of rigid members comprises fourth rigid members inside the partition, the fourth rigid members extending in the first direction and being spaced apart from each other in the second direction by the plurality of vibration modules being interposed therebetween.
13 . The display apparatus of claim 1 , wherein:
the structure comprises a first structure and a second structure arranged in parallel;
the plurality of vibration modules comprises at least four vibration modules; and
the at least four vibration modules include:
a first vibration module and a second vibration module in the first area and rotatably connected to the first structure, and
a third vibration module and a fourth vibration module in the second area and rotatably connected to the second structure.
14 . The display apparatus of claim 13 , wherein:
the first vibration module and the second vibration module are arranged in the first area along a diagonal line with respect to the first direction and the second direction; and
the third vibration module and the fourth vibration module are arranged in the second area along a diagonal line with respect to the first direction and the second direction.
15 . The display apparatus of claim 1 , wherein the rolling module further comprises:
a supporting frame connected to an end portion of the display panel, the supporting frame being configured to support the display panel; and
a driving module accommodated in the housing module,
wherein the structure is connected between the supporting frame and the driving module, and
wherein the structure is configured to be folded or unfolded based on driving of the driving module.
16 . The display apparatus of claim 1 , wherein the plurality of vibration modules are further configured to vibrate the first area and the second area of the display panel, respectively.