Display apparatus with vibration apparatus
An apparatus comprises a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel and configured to vibrate the display panel, a supporting member disposed at the rear surface of the display panel and including a first member and a second member, and the first member and the second member are disposed on a same surface as the supporting member.
1 . An apparatus, comprising:
a display panel displaying an image;
a vibration apparatus disposed at a rear surface of the display panel and configured to vibrate the display panel; and
a supporting member separated from the vibration apparatus by an air gap and including a first member and a second member,
wherein the first member and the second member are disposed on a rear planar surface of the supporting member and the second member is disposed at least on two lateral sides of the first member to dampen vibrations of the first member,
wherein the first member and the second member are disposed to be co-planar on the rear planar surface of the supporting member, and
wherein the vibration apparatus is disposed between the display panel and the first member, and the vibration apparatus is disposed between the display panel and the second member.
2 . The apparatus of claim 1 , wherein the second member dampens low frequency acoustic signals travelling in a rear direction of the apparatus.
3 . The apparatus of claim 1 , wherein the first member is connected to the second member that is connected to the supporting member.
4 . The apparatus of claim 1 , wherein the vibration apparatus comprises two or more vibration structures.
5 . The apparatus of claim 4 , wherein each of the two or more vibration structures comprises a plurality of first portions including an inorganic material and a plurality of second portions including an organic material disposed between two adjacent first portions.
6 . The apparatus of claim 5 , wherein the plurality of first portions and the plurality of second portions are disposed to have an arrangement direction in one or more of a widthwise direction and a lengthwise direction of the display panel.
7 . The apparatus of claim 5 , wherein the plurality of first portions have a piezoelectric characteristic, and the plurality of second portions have a ductile characteristic.
8 . The apparatus of claim 4 , wherein each of the two or more vibration structures comprises:
a vibration layer;
a first protection member disposed at a first surface of the vibration layer; and
a second protection member disposed at a second surface different from the first surface of the vibration layer.
9 . The apparatus of claim 8 , wherein each of the two or more vibration structures further comprises:
a first electrode layer between the vibration layer and the first protection member; and
a second electrode layer between the vibration layer and the second protection member.
10 . The apparatus of claim 4 , further comprising a pad member disposed between the two or more vibration structures.
11 . The apparatus of claim 10 , wherein the pad member comprises:
a vibration layer;
a first electrode layer disposed at a first surface of the vibration layer; and
a second electrode layer disposed at a second surface different from the first surface of the vibration layer.
12 . The apparatus of claim 10 , wherein the pad member overlap with the supporting member.
13 . The apparatus of claim 1 , further comprising a pad member disposed at a rear surface of the vibration apparatus,
wherein the pad member overlap with one or more of the first member and the second member.
14 . The apparatus of claim 1 , wherein the display panel comprises a first region and a second region,
wherein the vibration apparatus comprises a first vibration apparatus configured to vibrate the first region and a second vibration apparatus configured to vibrate the second region, and
wherein the first member and the second member respectively overlap with the first and second vibration apparatuses.
15 . The apparatus of claim 14 , wherein the first member is connected to the second member.
16 . An apparatus, comprising:
a vibration member;
a vibration apparatus interfacing with the vibration member and configured to generate a sound in a forward direction of the vibration member; and
a supporting member separated from a rear surface of the vibration apparatus by an air gap,
wherein the supporting member comprises a first member overlapping with the vibration apparatus and configured to generate a sound in a reverse direction opposite to the forward direction and a second member is disposed on at least on two lateral sides of the first member to dampen vibrations of the first member,
wherein the first member and the second member are disposed to be co-planar on the rear planar surface of the supporting member, and
wherein the vibration apparatus is disposed between the display panel and the first member, and the vibration apparatus is disposed between the display panel and the second member.
17 . The apparatus of claim 16 , wherein the vibration member comprises a plate, and
wherein the plate includes one of a metal and single nonmetal or composite nonmetal of one or more of wood, plastic, glass, cloth and leather.
18 . The apparatus of claim 16 , wherein the vibration member comprises one of a display panel including a plurality of pixels displaying an image, one or more non-display panels of a light emitting diode lighting panel, an organic light emitting lighting panel and an inorganic light emitting lighting panel.
19 . The apparatus of claim 16 , wherein the vibration member comprises one of a display panel including a pixel displaying an image, one or more of a vehicular interior material, a vehicular glass window, a vehicular exterior material, a building ceiling material, a building interior material, a building glass window, an aircraft interior material and an aircraft glass window.
20 . The apparatus of claim 16 , wherein the second member dampens low frequency acoustic signals travelling in the reverse direction.
21 . The apparatus of claim 16 , wherein the vibration apparatus comprises a plurality of vibration generators.
22 . The apparatus of claim 21 , wherein each of the plurality of vibration generators comprises a plurality of vibration structures.
23 . The apparatus of claim 21 , wherein each of the plurality of vibration generators is stacked to be displaced in a same direction.
24 . The apparatus of claim 21 , further comprising a pad member disposed at a rear surface of each of the plurality of vibration generators.
25 . The apparatus of claim 16 , further comprising a pad member between the vibration apparatus and the supporting member.
26 . The apparatus of claim 25 , wherein the pad member is configured to be equal to the vibration apparatus.
27 . The apparatus of claim 25 , wherein the pad member overlaps with the first member.
28 . The apparatus of claim 16 , further comprising a pad member between the vibration apparatus and the first member.
29 . The apparatus of claim 16 , wherein the supporting member has a first region overlapping with a center of the vibration apparatus, a second region overlapping with a periphery of the vibration apparatus, and a third region between the first region and the second region,
wherein the first member is disposed at the first region of the supporting member, and
wherein a second member is disposed at the third region of the supporting member.
30 . The apparatus of claim 29 , wherein the first member is disposed between two adjacent second member.
31 . The apparatus of claim 29 , wherein the second member is connected to the supporting member.
32 . The apparatus of claim 16 , wherein the first member is configured to vibrate according to a vibration of the vibration apparatus.
33 . The apparatus of claim 32 , wherein the second member surrounds the first member and has a ductile characteristic.
34 . The apparatus of claim 16 , wherein the second member includes a material different from the supporting member.
35 . The apparatus of claim 16 , wherein the first member is configured to generate the sound toward a rear surface of the supporting member.
36 . An apparatus, comprising:
a display panel displaying an image;
a vibration apparatus including a piezoelectric portion and a ductile portion, and configured to generate a first vibration from a front surface of the apparatus;
a first member disposed on and planar with a rear surface of the vibration apparatus and separated from a rear surface of the display panel by an air gap and configured to generate a second vibration; and
a second member that borders the first member on the rear surface of the vibration apparatus to dampen the second vibration of the first member,
wherein the first member and the second member are disposed to be co-planar on the rear planar surface of the supporting member, and
wherein the vibration apparatus is disposed between the display panel and the first member, and the vibration apparatus is disposed between the display panel and the second member.
37 . The apparatus of claim 36 , wherein the second member surrounds the first member.
38 . The apparatus of claim 36 , wherein the second vibration is different from the first vibration.