KR20210049346A - Electronic device with microphone module - Google Patents

Abstract

According to various embodiments of the present invention, an electronic device includes: a housing including a first plate facing a first direction, a second plate facing a second direction that is directed opposite to the first direction, and a side member facing a third direction that is perpendicular to the first and second directions, surrounding at least a portion of a space between the first and second plates, and having at least one microphone hole; a printed circuit board disposed between the first and second plates; a microphone module bonded to one surface of the printed circuit board facing the first direction, and adjacent to the side member; and a microphone sound path for connecting a sound from the microphone hole to the microphone module, wherein the microphone sound path includes an opening formed in one surface of the printed circuit board facing the microphone module, and extending toward the microphone hole. Various other embodiments are possible. Accordingly, a slim body is implemented, and particularly, it is advantageous to widen a display area by reducing a bezel width.

Description

Electronic device including a microphone module {ELECTRONIC DEVICE WITH MICROPHONE MODULE}

Various embodiments of the present disclosure relate to a microphone module mounting structure of an electronic device.

As the voice recognition function of an electronic device is expanded, the performance of an acoustic component installed in a housing, such as a speaker or a microphone device, is becoming more important. In particular, microphone devices are becoming increasingly important not only for simple recording or video calls, but also in AI environments. The microphone device may be disposed in an area far away from noise-generating components, such as speakers, fans, and keyboards, for voice recognition performance.

At least one of these microphone devices is mounted on a peripheral portion of the electronic device, and in particular, in a peripheral area of the display, at least one or more may be mounted at a location convenient to face a user.

However, in order to cope with the body (eg, housing) of a slim electronic device and a shrinking bezel, a top type microphone module is used in the related art, and a microphone module is mounted using a microphone sealing rubber. There may be a structural problem with limitations in reducing the bezel width.

Embodiments according to the present disclosure provide an electronic device having a microphone module mounting structure.

Embodiments of the present disclosure provide an electronic device including a microphone module mounting structure that is disposed close to a camera disposed in a peripheral area of a display, and enables acoustic sealing and minimizes the mounting space of the microphone module.

An electronic device according to various embodiments of the present disclosure includes a first plate disposed to face in a first direction, a second plate disposed to face in a second direction opposite to the first direction, and the first and second directions. A housing disposed to face in a third direction perpendicular to and surrounding at least a portion of the space between the first and second plates, and including a side member having at least one microphone hole formed thereon; A printed circuit board disposed between the first and second plates; A microphone module bonded to one surface of the printed circuit board facing the first direction and disposed close to the side member; And a microphone sound path connecting sound from the microphone hole to the microphone module, wherein the microphone sound path is formed on one surface of the printed circuit board facing the microphone module, and includes an opening extending toward the microphone hole. I can.

An electronic device according to various embodiments of the present disclosure includes: a first housing including a plurality of keys; A first plate disposed in a first direction, a second plate disposed in a second direction facing in a direction opposite to the first direction, and a third plate disposed in a third direction perpendicular to the first and second directions, Comprising a side member surrounding at least a portion of the space between the first and second plates, including a side member having at least one microphone hole formed therein, and a display disposed to be exposed through at least a partial area of the first plate, and the first A second housing that is folded or unfolded in the housing; A hinge device rotatably connecting the first and second housings to each other; A printed circuit board disposed between the first and second plates; A microphone module bonded to one surface of the printed circuit board facing the first direction and disposed close to the side member; And a microphone sound path connecting sound from the microphone hole to the microphone module, wherein the microphone sound path includes an opening formed on one surface of the printed circuit board facing the microphone module; And a sealing member disposed between the microphone module and the microphone hole.

Since the electronic device according to the present disclosure reduces the height and width of the microphone mounting structure, it is possible to implement a slim body, and in particular, it is advantageous in reducing the width of the bezel to widen the display area.

1 is a perspective view illustrating an electronic device in a folded state according to various embodiments of the present disclosure.
2 is a perspective view illustrating an electronic device in an unfolded state according to various embodiments of the present disclosure.
3A is a perspective view illustrating a part of a second housing of an electronic device according to various embodiments of the present disclosure.
3B is a side view illustrating a second housing of an electronic device according to various embodiments of the present disclosure.
4 is a perspective view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted.
5A is a perspective view illustrating a state in which a microphone hole is formed according to various embodiments of the present disclosure.
5B is a perspective view illustrating a state in which a sealing member is mounted according to various embodiments of the present disclosure.
6A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted.
6B is a perspective view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure.
6C is a plan view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure.
7A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted.
7B is a plan view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure.
8A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted.
8B is a plan view illustrating a first opening formed in a printed circuit board according to various embodiments of the present disclosure.
8C is a bottom view illustrating a second opening formed in a printed circuit board according to various embodiments of the present disclosure.

Hereinafter, various embodiments of the present disclosure will be described with reference to the accompanying drawings. However, this is not intended to limit the present disclosure to a specific embodiment, and it should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure. In connection with the description of the drawings, similar reference numerals may be used for similar elements.

Electronic devices according to various embodiments of the present disclosure include, for example, a smartphone, a tablet PC, a mobile phone, a video phone, and an e-book reader (e- book reader), desktop personal computer (PC), laptop personal computer (laptop personal computer), netbook computer, workstation, server, personal digital assistant (PDA), portable multimedia player (PMP), MP3 Players, mobile medical devices, cameras, or wearable devices (e.g. smart glasses, head-mounted-devices (HMD)), electronic clothing, electronic bracelets, electronic necklaces, electronic apps It may include at least one of an accessory (appcessory), an electronic tattoo, a smart mirror, or a smart watch.

In some embodiments, the electronic device may be a smart home appliance. Smart home appliances include, for example, televisions, digital video disk (DVD) players, audio, refrigerators, air conditioners, vacuum cleaners, ovens, microwaves, washing machines, air cleaners, set-top boxes, and home automation. Home automation control panel, security control panel, TV box (eg Samsung HomeSync??, Apple TV ^TM or Google TV ^TM , game console (eg Xbox??, PlayStation??), etc.), It may include at least one of an electronic dictionary, an electronic key, a camcorder, and an electronic frame.

In another embodiment, the electronic device includes various medical devices (e.g., various portable medical measuring devices (blood glucose meter, heart rate meter, blood pressure meter, or body temperature meter, etc.), magnetic resonance angiography (MRA), magnetic resonance imaging (MRI), CT (computed tomography), camera, or ultrasound), navigation device, global positioning system receiver (GPS), event data recorder (EDR), flight data recorder (FDR), infotainment device for automobiles, ships Electronic equipment (e.g. marine navigation devices, gyro compasses, etc.), avionics, security devices, vehicle head units, industrial or home robots, automatic teller's machines (ATMs) in financial institutions, POS in stores (point of sales), or internet of things (e.g. light bulbs, various sensors, electricity or gas meters, sprinkler devices, fire alarms, thermostats, street lights, toasters, exercise equipment, It may include at least one of a hot water tank, a heater, a boiler, etc.).

According to some embodiments, the electronic device is a furniture or part of a building/structure, an electronic board, an electronic signature receiving device, a projector, or various measurement devices (e.g., It may include at least one of water, electricity, gas, or radio wave measurement equipment. In various embodiments, the electronic device may be a combination of one or more of the aforementioned various devices. The electronic device according to some embodiments may be a flexible electronic device. Further, an electronic device according to an embodiment of the present disclosure is not limited to the above-described devices, and may include a new electronic device according to technological advances.

Hereinafter, various embodiments of the present disclosure will be described with reference to the accompanying drawings. However, this is not intended to limit the present disclosure to a specific embodiment, and it should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure. In connection with the description of the drawings, similar reference numerals may be used for similar elements.

1 is a perspective view illustrating an electronic device in a folded state according to various embodiments of the present disclosure. 2 is a perspective view illustrating an electronic device in an unfolded state according to various embodiments of the present disclosure.

Referring to FIGS. 1 and 2, the electronic device 10 according to an embodiment will be described using a notebook as an example. According to an embodiment, the electronic device 10 may include a first housing 11, a second housing 12, and a hinge device 13. According to one embodiment, the second housing 12 is rotatably connected to the first housing 11 by a hinge device 13, so that it can be folded or unfolded on the first housing 11. For example, the first and second housings 11 and 12 may be made of a metal material, but are not limited thereto.

According to an embodiment, the first housing 11 is a data input device, and includes a plurality of keys 115 and a touch pad 116, a plurality of ports 117, a printed circuit board not shown, and a battery. It may include. According to an embodiment, the second housing 12 is a data output device, and a display module 120 and at least one acoustic component, such as a microphone module and a camera module, may be disposed.

3A is a perspective view illustrating a part of a second housing of an electronic device according to various embodiments of the present disclosure. 3B is a side view illustrating a second housing of an electronic device according to various embodiments of the present disclosure.

3A and 3B, the second housing 12 according to an embodiment has a first plate 121 disposed in a first direction (①) and opposite to the first direction (①). The second plate 122 is disposed to face in the second direction (②), which is a direction, and is disposed to surround at least a portion of the space on the first and second plates 121 and 122, and the first and second directions (①,②) It may include a side member 123 disposed facing the third direction (③) perpendicular to the. According to an embodiment, the side members 123 may extend along between the first and second plates 121 and 122. For example, the side member 123 may be made of a metal material or a synthetic resin material. For example, the side member 123 is formed of a metal material and has a segmented shape, so that it can operate as an antenna radiator. For example, the side member 123 may be combined with the first plate 121 or the second plate 122 or may be integrally formed.

At least one of the second housing 12 according to an embodiment may include an acoustic component, for example, a microphone module 30 (not shown). For example, the microphone module 30 may be disposed in a pair or more. For the microphone module 30, the side member 123 may include at least one microphone hole 126. For example, the microphone holes 126 may be formed as a pair. According to an embodiment, at least one camera module may be disposed in a peripheral area of the display, and at least one microphone hole 126 may be formed in a vicinity of the camera module. According to an embodiment, each microphone hole 126 may be disposed between camera lenses.

According to an embodiment, in the electronic device, at least one microphone module 30 may be disposed in a space between the first plate 121 and the second plate 122. According to an embodiment, at least one microphone module 30 disposed in the second housing 12 may be disposed at a position closest to the user, facing the user, and free from obstructions. For example, at least one microphone module 30 may be disposed to face the second plate 122 of the second housing 12.

Hereinafter, a mounting structure of the microphone module 30 according to various embodiments of the present disclosure will be described with reference to the accompanying drawings.

4 is a perspective view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted. 5A is a perspective view illustrating a state in which a microphone hole is formed according to various embodiments of the present disclosure. 5B is a perspective view illustrating a state in which a sealing member is mounted according to various embodiments of the present disclosure.

Referring to FIGS. 4 to 5B, according to an exemplary embodiment, a plurality of components may be disposed along an edge area between the second plate 122 and the side member 123 in the second housing 12. For example, the printed circuit board 31 on which the camera module 125 and at least one microphone module 30 and the camera module 125 and at least one microphone module 30 are mounted may be disposed. The printed circuit board 31 may be disposed along the edge area of the second plate 122.

According to an embodiment, the sealing member 32 may be attached to the microphone hole 126 formed in the side member 123. The sealing member 32 may be disposed between the microphone module 30 and the side member 123 in which the microphone hole 126 is formed. For example, the sealing member 32 is a foamed resin material and may include a sponge material.

According to an embodiment, the elastic member may be attached to the inner surface of the side member 123 on which the microphone hole 126 is formed, and may be attached along the periphery of the microphone hole 126. According to an embodiment, the elastic member may be disposed in tight contact between the microphone module 30 and the side member 123. For example, the elastic member has a'C' shape, and one surface may be attached to the side surface of the microphone module 30, and the other surface may be attached to a surface around the microphone hole 126.

6A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted. 6B is a perspective view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure. 6C is a plan view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure.

6A to 6C, according to an embodiment, in the electronic device, the microphone module 30 may be disposed between the first and second plates 121 and 122, and may be disposed close to the side member 123. have.

According to an embodiment, the printed circuit board 31 includes one surface facing in the first direction and the other surface facing in the second direction, and the microphone module 30 may be mounted on the first surface. A sealing member 32 is disposed between the mounted microphone module 30 and the side member 123, thereby providing a structure for preventing sound leakage.

According to an embodiment, the microphone module 30 is a bottom sound emission type, and may be arranged to receive sound in the first direction at the bottom portion of the microphone module 30. A microphone sound path p1 may be formed between the microphone module 30 and the microphone hole 126. For example, reference numeral p1 may refer to a microphone sound path. According to an embodiment, the microphone sound path p1 may extend from the microphone module 30 to the microphone hole 126. For example, the microphone sound path p1 and the microphone hole 126 are spatially connected to each other, do not overlap each other, and may be connected in a straight line in approximately parallel directions.

According to an embodiment, the microphone sound path p1 is a duct structure through which sound passes, and may be formed on the printed circuit board 31. According to an embodiment, the microphone sound path p1 may include an opening 310 formed on one surface of the printed circuit board 31. According to an embodiment, the opening 310 has a straight shape and may serve to collect and transmit sound from the microphone hole 126 to the sound receiving unit of the microphone module 30. According to an embodiment, one end of the opening 310 may face the center of the sound receiving unit of the microphone module 30, and the other end may face the microphone hole 126. According to an embodiment, the opening 310 may be formed in a groove shape recessed in the second direction on the first surface of the printed circuit board 31. According to an embodiment, the width w1 of the opening 310 is preferably the same as the width w2 of the microphone hole 126, but may be formed to have a slightly smaller width. According to one embodiment, due to the difference in width between the opening and the microphone hole, a stepped portion s may be formed between the opening 310 and the microphone hole 126, but the size of the stepped portion s is minimized. It may be desirable to be.

According to one embodiment, the opening 310 may be a space formed by removing or processing a partial region of at least a partial layer of the first surface of the printed circuit board 31. According to one embodiment, the printed circuit board 31 ) May have a connection surface 311 formed along the periphery of one end of the opening 310. For example, the connection surface is a metal layer coated with a metal material, and may be a mounting surface to be connected to the connection part of the microphone module 30.

According to an embodiment, the microphone hole 126 formed in the side member 123 may be formed close to the second plate 122. According to an embodiment, when viewed from the third direction, the microphone hole 126 may have a circular or polygonal shape, for example, a rectangular shape.

Through the microphone sound path p1 described above, sound may be transmitted to the sound receiving unit of the microphone module 30 through the microphone hole 126 and the opening 310.

7A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted. 7B is a plan view illustrating an opening formed in a printed circuit board according to various embodiments of the present disclosure.

The microphone mounting structure shown in Figs. 7A and 7B is different from the microphone mounting structure shown in Figs. 6A to 6C, and only the microphone sound path p2 is different, and the remaining configurations are the same. Will be omitted.

Referring to FIGS. 7A and 7B, according to an embodiment, a microphone sound path p2 for collecting and transmitting sound from the microphone hole 126 to the microphone module 30 is at least a part of the printed circuit board 31. It can be formed by cutting.

According to an embodiment, the microphone sound path p2 may include an opening 312 formed by cutting a portion of the printed circuit board 31. For example, the opening 312 may be a through hole. According to an embodiment, the opening 312 is substantially straight, and may be a duct that collects and transmits the sound transmitted from the microphone hole 126 to the sound receiving unit of the microphone module 30. According to an embodiment, one end of the opening 312 may face the center of the sound receiving unit of the microphone module 30 and the other end may face the microphone hole 126.

According to an embodiment, the width w3 of the opening 312 may be preferably the same as the width w2 of the microphone hole 126. According to an embodiment, the printed circuit board 31 may have a connection surface 313 formed along the periphery of one end of the opening 310. For example, the connection surface 313 is a conductive layer coated with a metal material, and may be a connection surface to be connected to the connection portion of the microphone module 30.

By the microphone sound path p2 described above, the sound may reach the sound receiving unit of the microphone module 30 through the microphone hole 126 and the opening 312.

8A is a cross-sectional view illustrating a state in which a microphone module according to various embodiments of the present disclosure is mounted. 8B is a plan view illustrating a first opening formed in a printed circuit board according to various embodiments of the present disclosure. 8C is a bottom view illustrating a second opening formed in a printed circuit board according to various embodiments of the present disclosure.

The microphone mounting structure shown in Figs. 8A to 8C is different from the microphone mounting structure shown in Figs. 6A to 6C, and only the microphone sound path p3 is different, and the remaining configurations are the same. Will be omitted.

8A to 8C, according to an embodiment, a microphone sound path p3 for collecting and transmitting sound from the microphone hole 126 to the microphone module 30 includes first and second openings 314 and 315. Can include. According to one embodiment, the first opening 314 may be formed in a through-hole shape on the first surface 31a, and the second opening 315 may be formed in a groove shape recessed in the second surface 31b. have. According to an embodiment, the first opening 314 is spatially connected to the second opening 315, and when viewed from above the printed circuit board 31, the first opening 314 may be disposed in a position overlapping each other.

According to one embodiment, the first opening 314 is located coaxially with the center of the sound receiving unit of the microphone module 30, the second opening 315 has one end connected to the first opening 314, the other end It may be connected to the microphone hole 126. According to one embodiment, the second opening 315 is substantially straight, and may be a duct that collects and transmits sound from the microphone hole 126 to the first opening 314.

According to an embodiment, the connection surface 316 of the printed circuit board 31 may be formed along the periphery of one end of the second opening 315. For example, the connection surface 316 is a ring-shaped conductive layer coated with a metal material, and may be a connection surface to be connected to the connection portion of the microphone module 30.

Through the microphone sound path p3 described above, sound may be transmitted to the sound receiving unit of the microphone module 30 through the microphone hole 126 and the first and second openings 314 and 315.

Various embodiments of the present disclosure disclosed in the present specification and drawings are merely provided with specific examples to easily describe the technical content of the present disclosure and to aid understanding of the present disclosure, and are not intended to limit the scope of the present disclosure. Therefore, the scope of the present disclosure should be construed that all changes or modified forms derived based on the technical idea of the present disclosure in addition to the embodiments disclosed herein are included in the scope of the present disclosure.

Claims (20)

In the electronic device,
A first plate disposed in a first direction, a second plate disposed in a second direction facing in a direction opposite to the first direction, and a third plate disposed in a third direction perpendicular to the first and second directions, A housing surrounding at least a portion of the space between the first and second plates and including a side member having at least one microphone hole formed therein;
A printed circuit board disposed between the first and second plates;
A microphone module bonded to one surface of the printed circuit board facing the first direction and disposed close to the side member; And
A microphone sound path connecting sound from the microphone hole to the microphone module, the microphone sound path
An electronic device formed on one surface of the printed circuit board facing the microphone module and including an opening extending toward the microphone hole. The electronic device of claim 1, wherein the opening extends in a straight line. The electronic device of claim 2, wherein the opening has a groove shape recessed in the second direction. The electronic device of claim 1, wherein the opening has one end facing the center of the microphone module and the other end connected to the microphone hole. The electronic device of claim 1, wherein the opening does not overlap with the microphone hole, but is connected in a parallel direction. The electronic device of claim 1, wherein a sealing member is further disposed between the microphone module and the side member. The electronic device of claim 6, wherein the sealing member is disposed in tight contact between a side surface of the microphone module and a portion around the microphone hole. The electronic device of claim 7, wherein the sealing member comprises a sponge. The electronic device of claim 1, wherein the microphone module is arranged to receive sound in the first direction. The electronic device of claim 1, wherein the at least one microphone hole is formed close to the second plate. The electronic device of claim 1, comprising a display disposed to be exposed through at least a partial area of the first plate. The electronic device of claim 1, wherein at least one camera module is disposed in an area around the display, and the at least one microphone hole is formed in a location adjacent to the camera module. The electronic device of claim 1, wherein when the at least one microphone hole is viewed from the third direction, the at least one microphone hole has a polygonal shape. The electronic device of claim 1, wherein when the at least one microphone hole is viewed from the third direction, the at least one microphone hole has a rectangular shape. The electronic device of claim 11, wherein the opening has a duct shape. In the electronic device,
A first housing including a plurality of keys;
A first plate disposed to face in a first direction, a second plate disposed to face in a second direction facing in a direction opposite to the first direction, and a third plate disposed to face in a third direction perpendicular to the first and second directions, And a display that surrounds at least a portion of the space between the first and second plates, includes a side member having at least one microphone hole formed thereon, and is disposed to be exposed through at least a partial area of the first plate, and the first A second housing that is folded or unfolded in the housing;
A hinge device rotatably connecting the first and second housings to each other;
A printed circuit board disposed between the first and second plates;
A microphone module bonded to one surface of the printed circuit board facing the first direction and disposed close to the side member; And
A microphone sound path connecting sound from the microphone hole to the microphone module, the microphone sound path
An opening formed in one surface of the printed circuit board facing the microphone module; And,
Electronic device comprising a sealing member disposed between the microphone module and the microphone hole periphery. The electronic device of claim 16, wherein the opening has a groove shape recessed in the second direction and extends linearly toward the microphone hole. The electronic device of claim 17, wherein the opening has one end facing the center of the microphone module and the other end connected to the microphone hole. The electronic device of claim 1, wherein the opening does not overlap with the microphone hole, but is connected in a parallel direction. The electronic device of claim 16, wherein the sealing member is disposed in close contact between a side surface of the microphone module and a portion around the microphone hole.

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