US-20260129354-A1 - ELECTRONIC DEVICE INCLUDING ACOUSTIC MODULE

Abstract

An electronic device includes a housing and an acoustic module disposed inside the housing. The acoustic module may include: a speaker unit including a vibrating plate; a speaker enclosure for accommodating the speaker unit; a porous air-adsorbing member disposed inside the speaker enclosure; and an air-permeable shock-absorbing member that is disposed inside the speaker enclosure and stacked with the air-adsorbing member.

Inventors

• Joonrae CHO
• Kiwon Kim
• Donghyun Kim
• Myeungseon KIM
• Myungcheol LEE

Assignees

• SAMSUNG ELECTRONICS CO., LTD.

Dates

Publication Date

20260507

Application Date

20260107

Priority Date

20230807

Claims (20)

1. 1 . An electronic device comprising: a housing; and an acoustic module disposed inside the housing, wherein the acoustic module comprises: a speaker unit comprising a diaphragm; a speaker enclosure accommodating the speaker unit; a porous air-absorbing member disposed inside the speaker enclosure; and a breathable buffer member disposed inside the speaker enclosure and stacked with the porous air-absorbing member.
2. 2 . The electronic device of claim 1 , wherein the speaker enclosure comprises a first enclosure housing and a second enclosure housing coupled to the first enclosure housing and disposed above the first enclosure housing.
3. 3 . The electronic device of claim 1 , wherein the acoustic module further comprises a resonance space formed inside the speaker enclosure.
4. 4 . The electronic device of claim 3 , wherein the porous air-absorbing member is configured to: perform negative air absorption when air in the resonance space is compressed by vibration of the diaphragm; and perform positive air absorption when air in the resonance space expands by vibration of the diaphragm.
5. 5 . The electronic device of claim 1 , wherein the breathable buffer member is disposed between the porous air-absorbing member and the speaker enclosure.
6. 6 . The electronic device of claim 1 , wherein the breathable buffer member comprises a foaming agent.
7. 7 . The electronic device of claim 1 , wherein the breathable buffer member comprises at least one of a melamine foam or a high-density polyurethane foaming foam.
8. 8 . The electronic device of claim 1 , wherein the breathable buffer member is formed of a film material.
9. 9 . The electronic device of claim 1 , further comprising: a first adhesive member between the porous air-absorbing member and the breathable buffer member; and a second adhesive member between the breathable buffer member and the speaker enclosure.
10. 10 . The electronic device of claim 1 , wherein the porous air-absorbing member is a mixture comprising particles and a binder having a molecular structure configured to perform adsorption and desorption of air.
11. 11 . The electronic device of claim 1 , wherein the porous air-absorbing member comprises any one of a zeolite composite, an activated carbon polymer, or a porous surface material having a metal-organic framework (MOF) structure.
12. 12 . The electronic device of claim 2 , wherein the porous air-absorbing member comprises a first air-absorbing member disposed on the first enclosure housing, and a second air-absorbing member disposed on the second enclosure housing, and wherein, when the breathable buffer member comprises a first buffer member disposed between the first enclosure housing and the first air-absorbing member, and a second buffer member disposed between the second enclosure housing and the second air-absorbing member.
13. 13 . The electronic device of claim 1 , wherein the breathable buffer member comprises a plurality of pouches forming empty spaces therein.
14. 14 . The electronic device of claim 1 , wherein the breathable buffer member comprises a (1-1) th buffer member disposed on an upper surface of the porous air-absorbing member, and a (1-2) th buffer member disposed on a lower surface of the porous air-absorbing member.
15. 15 . The electronic device of claim 1 , wherein the speaker enclosure is integrally formed with the housing.
16. 16 . An acoustic module comprising: a speaker unit including a diaphragm; a speaker enclosure accommodating the speaker unit and defining a resonance space in which vibration of the diaphragm causes compression and expansion of air; a porous air-absorbing member disposed inside the speaker enclosure and configured to adsorb the air; and a breathable buffer member disposed in contact with the porous air-absorbing member and configured to suppress vibration applied to the porous air-absorbing member.
17. 17 . The acoustic module of claim 16 , wherein the porous air-absorbing member is configured to absorb the air in response to compressing the air in the resonance space by vibration of the diaphragm and to desorb the air in response to expanding the air in the resonance space by vibration of the diaphragm.
18. 18 . The acoustic module of claim 17 , wherein the porous air-absorbing member minimizes a movement resistance of the diaphragm.
19. 19 . The acoustic module of claim 17 , wherein the breathable buffer member suppresses the vibration applied to the porous air-absorbing member while allowing the air to pass therethrough.
20. 20 . The acoustic module of claim 19 , wherein the breathable buffer member comprises a foaming material.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application, claiming priority under § 365(c), of an International application No. PCT/KR2024/007658, filed on Jun. 4, 2024, which is based on and claims the benefit of a Korean patent application number 10-2023-0103138, filed on Aug. 7, 2023, in the Korean Intellectual Property Office, and of a Korean patent application number 10-2023-0133624, filed on Oct. 6, 2023, in the Koran Intellectual Property Office, the disclosure of each of which is incorporated by reference herein in its entirety. BACKGROUND 1. Field An embodiment of the disclosure relates to an electronic device including an acoustic device. 2. Description of Related Art Due to the remarkable development of information communication technology and semiconductor technology, the distribution and use of various electronic devices are rapidly increasing. In particular, recent electronic devices are being developed to be portable and capable of communication. The term “electronic device” may refer to a device that performs a specific function based on an installed program, such as a home appliance, an electronic scheduler, a portable multimedia player, a mobile communication terminal, a tablet PC, a video/audio device, a desktop/laptop PC, or a vehicle navigation system. The above-mentioned electronic devices may output, for example, information stored therein as audio or video. An electronic device may include at least one speaker module to output various sounds. The speaker module may output sound signals audible to the user by converting electrical signals generated in the electronic device into sound signals using vibration of a diaphragm. The above-described information may be provided as related art for the purpose of helping to understand the disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art with respect to the disclosure. SUMMARY An electronic device according to an embodiment of the disclosure may include a housing and an acoustic module disposed inside the housing. The acoustic module may include a speaker unit including a diaphragm, a speaker enclosure accommodating the speaker unit, a porous air-absorbing member disposed inside the speaker enclosure, and a breathable buffer member disposed inside the speaker enclosure and stacked with the air-absorbing member. An electronic device according to an embodiment of the disclosure may include a housing and an acoustic module disposed inside the housing. The acoustic module may include a speaker unit including a diaphragm, a speaker enclosure accommodating the speaker unit, a resonance space formed inside the speaker enclosure, a porous air-absorbing member disposed inside the speaker enclosure and configured to perform negative air absorption or positive air absorption in the resonance space by vibration of the diaphragm, and a breathable buffer member including a foaming agent and disposed between the air-absorbing member and the speaker enclosure inside the speaker enclosure. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a block diagram of an electronic device in a network environment, according to an embodiment disclosed herein. FIG. 2 is a perspective view illustrating a front side of an electronic device according to an embodiment disclosed herein. FIG. 3 is a perspective view illustrating a rear side of the electronic device of FIG. 3 according to an embodiment disclosed herein. FIG. 4A is an exploded perspective view illustrating a front side of the electronic device of FIG. 2, according to an embodiment disclosed herein. FIG. 4B is an exploded perspective view illustrating a rear side of the electronic device of FIG. 2, according to an embodiment disclosed herein. FIG. 5 is an exploded perspective view of an acoustic module according to an embodiment disclosed herein. FIG. 6 is a cross-sectional view taken along line A-A′ of the acoustic module of FIG. 5 according to an embodiment disclosed herein. FIG. 7 is a partially enlarged view of the acoustic module according to an embodiment disclosed herein. FIG. 8 is a view illustrating a molecular structure of an air-absorbing member according to various embodiments of the disclosure. FIGS. 9 to 11 are cross-sectional views illustrating an air-absorbing member and a buffer member inside an acoustic module according to an embodiment disclosed herein. FIGS. 12 to 14 are cross-sectional views illustrating a portion of an electronic device in which a speaker enclosure and a housing are integrally formed according to an embodiment disclosed herein. DETAILED DESCRIPTION The electronic device according to the embodiments disclosed herein may be in the form of a single device. The electronic device may include, for example, a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance. The electronic devices