Sound apparatus and vehicular apparatus including the same

1 . A sound apparatus comprising:

a sound generating module including a vibration apparatus configured to be displaced by an electric signal applied to the vibration apparatus;

an enclosure including an internal space containing air and an opening portion connected to the internal space; and

a coupling part configured to couple the enclosure to a mount object equipped with the enclosure,

wherein the sound generating module comprises:

a vibration member disposed at the internal space to be spaced part from the opening portion; and

the vibration apparatus on the vibration member, and

wherein the coupling part comprises a hollow portion connected to the internal space through the opening portion of the enclosure.

2 . The sound apparatus of claim 1 , wherein the vibration apparatus comprises:

a first vibration apparatus on a first surface of the vibration member; and

a second vibration apparatus on a second surface different from the first surface of the vibration member.

3 . The sound apparatus of claim 1 , wherein the enclosure comprises:

a first enclosure including the opening portion; and

a second enclosure connected to the first enclosure, and

wherein the sound generating module is configured at the internal space between the first enclosure and the second enclosure.

4 . The sound apparatus of claim 3 , wherein the internal space comprises:

a first space between a first surface of the sound generating module and the first enclosure and connected to the opening portion; and

a second space between a second surface, which is opposite to the first surface, of the sound generating module and the second enclosure.

5 . The sound apparatus of claim 3 , wherein the vibration member is supported by the first enclosure and the second enclosure, and

wherein the vibration apparatus includes:

a first vibration apparatus connected to a first surface of the vibration member; and

a second vibration apparatus connected to a second surface different from the first surface of the vibration member, or connected to the first vibration apparatus.

6 . The sound apparatus of claim 5 , further comprising a connection member connected to the first enclosure,

wherein the first enclosure comprises an inner surface facing the vibration member and an outer surface opposite to the inner surface, and

wherein the connection member is connected to a periphery of the opening portion of the outer surface of the first enclosure.

7 . The sound apparatus of claim 5 , further comprising a soft member connected to the first enclosure,

wherein the first enclosure comprises an inner surface facing the vibration member and an outer surface opposite to the inner surface, and

wherein the soft member is connected to a periphery of the opening portion of the outer surface of the first enclosure.

8 . The sound apparatus of claim 3 , wherein:

the coupling part comprises a hook member coupled to an inner surface of the first enclosure facing the sound generating module, and

the hook member passes through the mount object and is accommodated into the opening portion of the first enclosure.

9 . The sound apparatus of claim 3 , wherein:

the first enclosure comprises an inner surface facing the vibration member and an outer surface opposite to the inner surface, and

the first enclosure further comprises a protrusion portion protruding from the outer surface of the first enclosure to surround the opening portion.

10 . The sound apparatus of claim 9 , wherein:

the coupling part comprises a hook member coupled to an inner surface of the first enclosure facing the sound generating module, and

the hook member passes through the mount object and the protrusion portion and is accommodated into the opening portion of the first enclosure.

11 . The sound apparatus of claim 1 , wherein:

the vibration apparatus comprises one or more vibration generators, and

the one or more vibration generators comprise:

a vibration portion;

a first electrode portion at a first surface of the vibration portion; and

a second electrode portion at a second surface different from the first surface of the vibration portion.

12 . The sound apparatus of claim 11 , wherein the vibration portion comprises a piezoelectric material.

13 . The sound apparatus of claim 11 , wherein the vibration portion comprises:

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

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

14 . The sound apparatus of claim 11 , wherein the one or more vibration generators comprise:

a first cover member at the first electrode portion; and

a second cover member at the second electrode portion.

15 . The sound apparatus of claim 14 , wherein:

the one or more vibration generators further comprise a signal supply member electrically connected to the vibration portion, and

a portion of the signal supply member is accommodated between the first cover member and the second cover member.

16 . The sound apparatus of claim 1 , wherein:

the vibration apparatus comprises a first vibration generator and a second vibration generator stacked on each other, and

each of the first vibration generator and the second vibration generator comprises:

a vibration portion;

a first electrode portion at a first surface of the vibration portion; and

a second electrode portion at a second surface different from the first surface of the vibration portion.

17 . The sound apparatus of claim 16 , wherein:

the vibration apparatus further comprises an intermediate member connected between the first vibration generator and the second vibration generator, and

the first vibration generator and the second vibration generator are displaced in a same direction.

18 . A vehicular apparatus, comprising:

an interior material exposed at the internal space; and

at least one or more sound generating apparatuses disposed at the interior material to output a sound to the internal space,

wherein the at least one or more sound generating apparatuses comprise the sound apparatus of claim 1 , and

wherein the interior material is the mount object.

19 . The vehicular apparatus of claim 18 , wherein the interior material comprises one or more holes connected to the opening portion into the internal space at the at least one or more sound generating apparatuses.

20 . The vehicular apparatus of claim 18 , further comprising a connection member between the interior material and the at least one or more sound generating apparatuses.

21 . The vehicular apparatus of claim 20 , further comprising a soft member between the interior material and the at least one or more sound generating apparatuses,

wherein the interior material comprises at least one or more curved portions contacting the soft member.

22 . The vehicular apparatus of claim 18 , wherein the coupling part is configured to couple the interior material to the enclosure that accommodates the internal space at the at least one or more sound generating apparatuses.

23 . The vehicular apparatus of claim 22 , wherein the interior material comprises a hole connected to the opening portion, and

wherein the coupling part passes through the opening portion and the hole of the interior material and is configured to be coupled to the enclosure.

24 . The vehicular apparatus of claim 23 , wherein the coupling part comprises:

a hollow member including the hollow portion, wherein the hollow member passes through the hole of the interior material and is accommodated into the opening portion;

a hook member connected to a first side of the hollow member and coupled to an inner surface of the enclosure facing the at least one or more sound generating apparatuses; and

a latch member connected to a second side of the hollow member and coupled to one surface of the interior material exposed at the internal space.

25 . The vehicular apparatus of claim 22 , further comprising a soft member between the interior material and the at least one or more sound generating apparatuses,

wherein the interior material comprises at least one or more curved portions contacting the soft member,

wherein the interior material comprises a hole connected to the opening portion, and

wherein the coupling part passes through the opening portion and the hole of the interior material and is configured to be coupled to the enclosure.

26 . The vehicular apparatus of claim 22 , wherein the interior material comprises a hole connected to the opening portion,

wherein the enclosure in the at least one or more sound generating apparatuses further comprises a protrusion portion protruding from the enclosure to surround the opening portion, wherein the protrusion portion is accommodated into the hole, and

wherein the coupling part passes through the hole of the interior material and is configured to be coupled to the enclosure.

27 . The vehicular apparatus of claim 26 , wherein the coupling part comprises:

a hollow member including the hollow portion, wherein the hollow member passes through the hole of the interior material and is accommodated into the opening portion;

a hook member connected to a first side of the hollow member and coupled to an inner surface of the enclosure facing the at least one or more sound generating apparatuses; and

a latch member connected to a second side of the hollow member and configured to be coupled to one surface of the interior material exposed at the internal space.

28 . The vehicular apparatus of claim 22 , wherein the interior material comprises a hole connected to the opening portion,

wherein the enclosure in the at least one or more sound generating apparatuses further comprises a protrusion portion protruding from the enclosure to surround the opening portion, wherein the protrusion portion is accommodated into the hole, and

wherein the coupling part is accommodated into and coupled to the protrusion portion and is configured to be coupled to one surface of the interior material exposed at the internal space.

29 . The vehicular apparatus of claim 18 , wherein:

the interior material comprises at least one or more of a dashboard, a pillar interior material, a roof interior material, a door interior material, a seat interior material, a handle interior material, a floor interior material, a rear package interior material, an overhead console, a rear view mirror, a glove box, and a sun visor; and

the at least one or more sound generating apparatuses are configured to vibrate at least one or more of the dashboard, the pillar interior material, the roof interior material, the door interior material, the seat interior material, the handle interior material, the floor interior material, the rear package interior material, the overhead console, the rear view mirror, the glove box, and the sun visor, to generate a sound.

30 . A sound apparatus comprising:

a sound generating module including a vibration apparatus configured to be displaced by an electric signal applied to the vibration apparatus; and

an enclosure including an internal space containing air and an opening portion connected to the internal space,

wherein the enclosure further comprises:

a first enclosure including the opening portion; and

a second enclosure connected to the first enclosure, and

wherein the sound generating module is configured at the internal space between the first enclosure and the second enclosure,

wherein the first enclosure comprises an inner surface facing a vibration member and an outer surface opposite to the inner surface, and

wherein the first enclosure further comprises:

a protrusion portion protruding from the outer surface of the first enclosure to surround the opening portion; and

a coupling part including a hollow portion coupled to the protrusion portion and connected to the internal space through the protrusion portion and the opening portion.

31 . The sound apparatus of claim 30 , wherein:

the coupling part comprises:

a hollow member accommodated into and coupled to the protrusion portion, the hollow member including the hollow portion; and

a latch member connected to the hollow member, and

wherein the latch member is configured to be coupled to a mount object equipped with the first enclosure.

32 . The sound apparatus of claim 31 , wherein:

the mount object comprises:

a first surface facing the first enclosure;

a second surface opposite to the first surface; and

a hole provided to pass through the first surface and the second surface, and

the latch member passes through the hole and is coupled to the second surface of the mount object.