Vibration generating apparatus

1 . An apparatus comprising:

a vibration member;

a vibration apparatus configured to vibrate the vibration member;

a supporting member disposed at a rear surface of the vibration member; and

a porous member disposed between the vibration member and the supporting member,

wherein the vibration apparatus is connected to the rear surface of the vibration member, and

wherein the vibration apparatus includes:

a first electrode layer;

a second electrode layer; and

a vibration layer disposed between the first electrode layer and the second electrode layer.

2 . The apparatus of claim 1 , wherein the porous member contacts at least one of the rear surface of the vibration member and an upper surface of the supporting member.

3 . The apparatus of claim 1 , wherein a thickness of the porous member is less than or equal to a distance between the vibration member and the supporting member.

4 . The apparatus of claim 1 , wherein the porous member has a uniform thickness.

5 . The apparatus of claim 1 , wherein the porous member has different thicknesses.

6 . The apparatus of claim 1 , wherein the porous member does not overlap with the vibration apparatus.

7 . The apparatus of claim 1 , wherein the porous member overlaps with the vibration apparatus.

8 . The apparatus of claim 1 , wherein the supporting member includes at least one first hole overlapping with the vibration apparatus.

9 . The apparatus of claim 8 , wherein at least a portion of the vibration apparatus is disposed in the at least one first hole of the supporting member and the vibration apparatus is coupled to the supporting member.

10 . The apparatus of claim 1 , wherein the vibration apparatus is disposed between the vibration member and the supporting member.

11 . The apparatus of claim 1 , wherein the vibration layer includes:

a plurality of inorganic material portions having a piezoelectric characteristic; and

an organic material portion disposed between the plurality of inorganic material portions.

12 . The apparatus of claim 1 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts the upper surface of the supporting member and the rear surface of the vibration member, and the porous member does not overlap with the vibration apparatus.

13 . The apparatus of claim 1 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts the upper surface of the supporting member, the porous member does not overlap with the vibration apparatus, and the porous member is spaced apart from the vibration member.

14 . The apparatus of claim 1 , wherein the porous member overlaps with the vibration apparatus and the porous member is spaced apart from the vibration member.

15 . The apparatus of claim 14 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts the upper surface of the supporting member and the porous member is spaced apart from the vibration apparatus.

16 . The apparatus of claim 14 , wherein a thickness of a first portion of the porous member contacting the upper surface of the supporting member and overlapping with the vibration apparatus is different than a thickness of a second portion of the porous member that does not overlap with the vibration apparatus.

17 . The apparatus of claim 1 , wherein the supporting member includes at least one first hole overlapping with the vibration apparatus, and

wherein an internal space between the vibration member and the supporting member is in communication with an outside through the at least one first hole.

18 . The apparatus of claim 17 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts both of the upper surface of the supporting member and the rear surface of the vibration member, and the porous member does not overlap with the at least one first hole.

19 . The apparatus of claim 17 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts the upper surface of the supporting member, and the porous member does not overlap with the at least one first hole and is spaced apart from the vibration member.

20 . The apparatus of claim 17 , wherein the porous member has a uniform thickness, and

wherein the porous member contacts the upper surface of the supporting member, covers the at least one first hole and is spaced apart from the vibration apparatus.

21 . The apparatus of claim 17 , wherein a thickness of a first portion of the porous member contacting the upper surface of the supporting member, covering the at least one first hole and overlapping with the vibration apparatus is different than a thickness of a second portion of the porous member that does not overlap with the vibration apparatus.

22 . The apparatus of claim 1 , further comprising a partition member disposed between the vibration member and the supporting member to surround the vibration apparatus,

wherein the porous member is surrounded by the partition member.

23 . The apparatus of claim 22 , wherein the porous member is spaced apart from the partition member.

24 . The apparatus of claim 22 , wherein one or more sides of the partition member include an open portion extending through an inner portion of the partition member to an outer portion of the partition member.

25 . The apparatus of claim 1 , wherein the porous member includes one or more of a porous coordination polymer (PCP), a metal organic framework (MOF), zeolite, and activated carbon.

26 . The apparatus of claim 1 , wherein the vibration member includes one or more of metal, plastic, fiber, leather, wood, cloth, rubber, carbon, glass, and paper.

27 . The apparatus of claim 1 , wherein the vibration member is a display panel, or the apparatus is included in a display device.

28 . An apparatus comprising:

a vibration member;

a supporting member;

a vibration apparatus disposed between the vibration member and the supporting member, the vibration apparatus being configured to vibrate the vibration member; and

a porous member including a plurality of cavities, the porous member at least partially surrounding the vibration apparatus and being spaced apart from the vibration apparatus,

wherein the vibration apparatus is connected to a rear surface of the vibration member, and

wherein the vibration apparatus includes:

a first electrode layer;

a second electrode layer; and

a vibration layer disposed between the first electrode layer and the second electrode layer.

29 . The apparatus of claim 28 , further comprising:

a partition member at least partially surrounding the porous member,

wherein the porous member is spaced apart from the partition member.

30 . The apparatus of claim 28 , wherein the supporting member includes at least one hole overlapping with the vibration apparatus, the at least one hole being configured to pass air in and out of the apparatus.

31 . The apparatus of claim 28 , further comprising:

a heat dissipation member disposed between the vibration member and the vibration apparatus,

wherein the porous member is spaced apart from the heat dissipation member.