KR20160150543A - Mobile terminal - Google Patents

Abstract

The present invention relates to a mobile terminal. A mobile terminal according to one aspect includes a display unit for outputting an image; A front case disposed on a rear side of the display unit and having the display unit mounted on a front surface thereof; A rear case disposed at the rear of the front case and forming an inner space by engaging with the front case; A substrate portion provided in the inner space; And an electronic component electrically connected to the base portion at a front side of the base portion and at least a part of which is seated in a seating groove formed in a back surface of the front case, wherein the front case is formed with a front surface and a rear surface, An electronic apparatus according to any one of claims 1 to 3, wherein an exposed hole is formed in the front surface of the front case so as to expose the electronic part seated in the seating groove to the front of the display unit, A waterproof portion is provided around the exposure hole.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. The mobile terminal can be divided into a handheld terminal and a vehicle mounted terminal according to whether the user can directly carry the mobile terminal.

The functions of mobile terminals are diversified. For example, there are data and voice communication, photographing and video shooting through a camera, voice recording, music file playback through a speaker system, and outputting an image or video on a display unit. Some terminals are equipped with an electronic game play function or a multimedia player function. In particular, modern mobile terminals can receive multicast signals that provide visual content such as broadcast and video or television programs.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

In recent years, a mobile terminal having a waterproof structure has been popularized in consideration of a close relationship between a mobile terminal and a user's daily life. As the waterproof structure of the mobile terminal, various packing members may be provided on the inner or outer surface of the case so as to prevent moisture or foreign matter from penetrating into the outer case.

1 is a perspective view showing a waterproof structure of a conventional mobile terminal.

FIG. 1 is a perspective view illustrating a waterproof structure of an acoustic output unit among various waterproof structures provided in a mobile terminal.

1, a mobile terminal 10 according to the related art includes a case 2 forming an outer shape and a receiver 4 mounted inside the case 2 to transmit a call sound to a user's ear . The receiver 4 may be exposed to the front of the mobile terminal 10 through a hole 1 formed in the front surface of the case 2. That is, the rear surface of the receiver 4 is connected to a substrate unit (not shown) provided inside the case 2, and outputs an acoustic signal input from the substrate unit to the outside of the mobile terminal 10 .

Meanwhile, water or dust may be introduced into the case (2) through the hole (1) in the mobile terminal (10).

The waterproof structure is formed by mounting the receiver 4 on the rear surface of the case 2 to form a seating groove 3 on which the receiver 4 can be seated to attach the rear cover 7 to the case 2 To cover the seating groove 3, as shown in Fig.

This prevents water or dust from flowing into the case 2 from the hole 1 formed in the front surface of the case 2.

The conventional waterproof structure of the mobile terminal described above has the following problems.

First, a camera 5 or a user operation unit 6 for exposing the function of the mobile terminal 10 may be provided on the rear surface of the mobile terminal 10 in a rearward direction. However, due to the receiver 4 and the back cover 7 sandwiched from the rear surface of the mobile terminal 10, installation in the configuration of the mobile terminal including the camera 5 and the user operation unit 6 There is space limitation.

Second, as described above, in the case of the waterproof structure using the back cover 7, it is possible to prevent the first penetration of moisture. However, when the front surface of the mobile terminal 10 is continuously in contact with water, 7 and the case 2 may be weakened, and as a result, there is a fear that moisture may penetrate into the rear of the case 2. In other words, since the waterproof structure is constituted by a single cover, the mobile terminal is not safe for moisture inflow.

The present invention has been proposed in order to solve the above problems, and it is an object of the present invention to provide a mobile terminal capable of securing a space for installing parts on the exterior.

According to an aspect of the present invention, there is provided a display apparatus comprising: a display unit to output an image; A front case disposed on a rear side of the display unit and having the display unit mounted on a front surface thereof; A rear case disposed at the rear of the front case and forming an inner space by engaging with the front case; A substrate portion provided in the inner space; And an electronic component electrically connected to the base portion at a front side of the base portion and at least a part of which is seated in a seating groove formed in a back surface of the front case, wherein the front case is formed with a front surface and a rear surface, An electronic apparatus according to any one of claims 1 to 3, wherein an exposed hole is formed in the front surface of the front case so as to expose the electronic part seated in the seating groove to the front of the display unit, And a waterproof portion is provided around the exposure hole.

The mobile terminal according to the present invention has the following effects.

First, since the waterproof portion is provided around the exposure hole for exposing the electronic component to the front surface of the case, there is an advantage that a separate waterproof structure is not required inside the mobile terminal.

Second, since the waterproof pad shields the space formed between the seating groove and the electronic component, it is prevented from moving to the inside of the mobile terminal even if a small amount of moisture or dust is introduced through the exposure hole.

Third, since the front end contacting the display portion of the screen is relatively wide in cross-sectional area as compared with the rear end, the display portion can be stably supported.

1 is a perspective view showing a waterproof structure of a conventional mobile terminal.
2 is a block diagram illustrating a mobile terminal according to the present invention;
3 is a front perspective view of a mobile terminal according to the present invention.
4 is a rear perspective view of a mobile terminal according to the present invention.
5 is an exploded perspective view of a mobile terminal according to an embodiment of the present invention.
Fig. 6 is a perspective view of Fig. 5 as seen from another angle; Fig.
7 is a perspective view showing a state in which a waterproof portion is coupled to a coupling groove according to an embodiment of the present invention;
FIG. 8 is a sectional view showing a side view of a mobile terminal according to an embodiment of the present invention; FIG.
Fig. 9 is an enlarged view of an enlarged view of Fig. 8A. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

The mobile terminal described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a slate PC A tablet PC, an ultrabook, a wearable device such as a smartwatch, a smart glass, and a head mounted display (HMD). have.

However, it will be appreciated by those skilled in the art that the configuration according to the embodiments described herein may be applied to fixed terminals such as a digital TV, a desktop computer, a digital signage, and the like, will be.

FIG. 2 is a block diagram for explaining a mobile terminal according to the present invention, and FIGS. 3 and 4 are conceptual diagrams illustrating an example of a mobile terminal according to the present invention in different directions.

2 to 4, the mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, A control unit 180, a power supply unit 190, and the like. The components shown in FIG. 3 are not essential for implementing a mobile terminal, so that the mobile terminal described herein may have more or fewer components than the components listed above.

More specifically, the wireless communication unit 110 among the above-mentioned components may communicate with the mobile terminal 100 and the wireless communication system, between the mobile terminal 100 and another mobile terminal, And one or more modules that enable wireless communication between the servers. In addition, the wireless communication unit 110 may include one or more modules for connecting the mobile terminal 100 to one or more networks.

The wireless communication unit 110 may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short distance communication module 114, and a location information module 115 .

The input unit 120 includes a camera 121 or an image input unit for inputting a video signal, a microphone 122 for inputting an audio signal, an audio input unit, a user input unit 123 for receiving information from a user, For example, a touch key, a mechanical key, etc.). The voice data or image data collected by the input unit 120 may be analyzed and processed by a user's control command.

The sensing unit 140 may include one or more sensors for sensing at least one of information in the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information. For example, the sensing unit 140 may include a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, A G-sensor, a gyroscope sensor, a motion sensor, an RGB sensor, an infrared sensor, a finger scan sensor, an ultrasonic sensor A microphone 226, a battery gauge, an environmental sensor (e.g., a barometer, a hygrometer, a thermometer, a radiation sensor (not shown)), an optical sensor , A thermal sensor, a gas sensor, etc.), a chemical sensor (e.g., an electronic nose, a healthcare sensor, a biometric sensor, etc.). Meanwhile, the mobile terminal disclosed in the present specification can combine and utilize information sensed by at least two of the sensors.

The output unit 150 generates at least one of the display unit 151, the sound output unit 152, the haptrip module 153, and the light output unit 154 to generate an output related to the visual, auditory, . The display unit 151 may have a mutual layer structure with the touch sensor or may be integrally formed to realize a touch screen. The touch screen may function as a user input unit 123 for providing an input interface between the mobile terminal 100 and a user and may provide an output interface between the mobile terminal 100 and a user.

The interface unit 160 serves as a path to various kinds of external devices connected to the mobile terminal 100. The interface unit 160 is connected to a device having a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, And may include at least one of a port, an audio I / O port, a video I / O port, and an earphone port. In the mobile terminal 100, corresponding to the connection of the external device to the interface unit 160, it is possible to perform appropriate control related to the connected external device.

In addition, the memory 170 stores data supporting various functions of the mobile terminal 100. The memory 170 may store a plurality of application programs or applications that are driven by the mobile terminal 100, data for operation of the mobile terminal 100, and commands. At least some of these applications may be downloaded from an external server via wireless communication. At least a part of these application programs may exist on the mobile terminal 100 from the time of departure for the basic functions (e.g., telephone call receiving, calling function, message receiving, and calling function) of the mobile terminal 100 have. Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and operated by the controller 180 to perform the operation (or function) of the mobile terminal.

In addition to the operations related to the application program, the controller 180 typically controls the overall operation of the mobile terminal 100. The control unit 180 processes signals, data, and information input or output through the above-mentioned components, or drives an application program stored in the memory 170 to provide or process appropriate information or functions to the user have.

In addition, the controller 180 may control at least some of the components illustrated in FIG. 3 in order to drive an application program stored in the memory 170. FIG. In addition, the controller 180 may operate at least two of the components included in the mobile terminal 100 in combination with each other for driving the application program.

Under the control of the controller 180, the power supply unit 190 receives external power and internal power and supplies power to the components included in the mobile terminal 100. The power supply unit 190 may include a battery, and the battery may be an internal battery or a replaceable battery.

At least some of the components may operate in cooperation with one another to implement a method of operation, control, or control of a mobile terminal according to various embodiments described below. In addition, the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170. [

Referring to FIGS. 3 and 4, the disclosed mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto and can be applied to various structures such as a folder type, a flip type, a slide type, a swing type, and a swivel type in which a watch type, a clip type, a glass type or two or more bodies are relatively movably coupled . A description of a particular type of mobile terminal, although relevant to a particular type of mobile terminal, is generally applicable to other types of mobile terminals.

Here, the terminal body can be understood as a concept of referring to the mobile terminal 100 as at least one aggregate.

The mobile terminal 100 includes a case (for example, a frame, a housing, a cover, etc.) which forms an appearance. As shown in the figure, the mobile terminal 100 may include a front case 101 and a rear case 102. Various electronic components are disposed in an inner space formed by the combination of the front case 101 and the rear case 102. At least one middle case may be additionally disposed between the front case 101 and the rear case 102. Hereinafter, for convenience of description, an assembly formed by the combination of the front case 101 and the rear case 102 is defined as a terminal main body.

Meanwhile, the front case 101 and the rear case 102 may be integrally molded and injected. 5, the front case 101 and the rear case 102 can be separated from each other for convenience of explanation. However, the front case 101 and the rear case 102 may be separated from each other by a single And the front and rear surfaces of the case can be formed. A substrate portion 181 (see FIG. 5) on which electronic components for driving are mounted is provided between the front case 101 and the rear case 102.

A display unit 151 is disposed on a front surface of the terminal body to output information. The window 151a of the display unit 151 may be mounted on the front case 101 to form a front surface of the terminal body together with the front case 101. [

In some cases, electronic components may be mounted on the rear case 102 as well. Electronic components that can be attached to the rear case 102 include a detachable battery, an identification module, a memory card, and the like. In this case, the rear case 103 for covering the mounted electronic component may be detachably coupled to the rear case 102. [ Therefore, when the rear case 103 is separated from the rear case 102, the electronic parts mounted on the rear case 102 are exposed to the outside. In other words, the rear case 103 is detachably coupled to the rear surface of the terminal body formed by the combination of the front case 101 and the rear case 102 to cover the back surface of the terminal body.

As shown in the figure, when the rear case 103 is coupled to the rear case 102, a side portion of the rear case 102 may be exposed. The rear case 102 may be completely covered by the rear case 103 when the rear case 130 is engaged. Meanwhile, the rear case 103 may be provided with an opening for exposing the camera 121b and the sound output unit 152b to the outside.

These cases 101, 102, and 103 may be formed by injection molding of synthetic resin or may be formed of metal such as stainless steel (STS), aluminum (Al), titanium (Ti), or the like.

The mobile terminal 100 may be configured such that one case provides the internal space, unlike the above example in which a plurality of cases provide an internal space for accommodating various electronic components. In this case, a unibody mobile terminal 100 in which synthetic resin or metal is connected from the side to the rear side can be realized.

Meanwhile, the mobile terminal 100 may include a waterproof portion (not shown) for preventing water from penetrating into the terminal body. For example, the waterproof portion is provided between the window 151a and the front case 101, between the front case 101 and the rear case 102, or between the rear case 102 and the rear case 103 And may include a waterproof member that seals the inner space at the time of engagement thereof.

The mobile terminal 100 is provided with a display unit 151, first and second sound output units 152a and 152b, a proximity sensor 141, an illuminance sensor 142, a light output unit 154, 2 cameras 121a and 121b, first to third operation units 123a to 123c, a microphone 122, an interface unit 160, and the like.

3 and 4, the display unit 151, the first sound output unit 152a, the proximity sensor 141, the light intensity sensor 142, The first camera 121a and the first operation unit 123a are disposed on the side of the terminal body and the second operation unit 123b, the microphone 122, The second camera 121b, the third operation unit 123c and the flash 124 are disposed on the rear surface of the terminal body, 100) will be described as an example.

However, these configurations are not limited to this arrangement. These configurations may be excluded or replaced as needed, or placed on different planes. For example, the first operation unit 123a may not be provided on the front surface of the terminal body, and the second sound output unit 152b may be provided on the side of the terminal body rather than the rear surface of the terminal body.

The display unit 151 displays (outputs) the information processed by the mobile terminal 100. For example, the display unit 151 may display execution screen information of an application program driven by the mobile terminal 100, or UI (User Interface) and GUI (Graphic User Interface) information according to the execution screen information have.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) a flexible display, a 3D display, and an e-ink display.

In addition, the display unit 151 may exist in two or more depending on the embodiment of the mobile terminal 100. [ In this case, the mobile terminal 100 may be provided with a plurality of display portions spaced apart from one another or integrally disposed, or may be disposed on different surfaces.

The display unit 151 may include a touch sensor that senses a touch to the display unit 151 so that a control command can be received by a touch method. When a touch is made to the display unit 151, the touch sensor senses the touch, and the control unit 180 generates a control command corresponding to the touch based on the touch. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like.

The touch sensor is formed in a film form having a touch pattern and disposed between the window 151a and a display (not shown) on the rear surface of the window 151a, or is directly patterned on the back surface of the window 151a. Metal wire. Alternatively, the touch sensor may be formed integrally with the display. For example, the touch sensor may be disposed on a substrate of the display or inside the display.

In this case, the display unit 151 may form a touch screen together with the touch sensor. In this case, the touch screen may function as a user input unit 123 (see FIG. 3). In some cases, the touch screen may replace at least some of the functions of the first operation unit 123a.

The first sound output unit 152a may be implemented as a receiver for transmitting a call sound to a user's ear and the second sound output unit 152b may be a loudspeaker for outputting various alarm sounds or multimedia playback sounds loud speakers.

The window 151a of the display unit 151 may have an acoustic hole for emitting sound generated from the first acoustic output unit 152a. However, the present invention is not limited to this, and the sound may be configured to be emitted along an assembly gap (for example, a gap between the window 151a and the front case 101) between the structures. In this case, the appearance of the mobile terminal 100 can be made simpler because the holes that are formed independently for the apparent acoustic output are hidden or hidden.

The light output unit 154 outputs light for notifying the occurrence of an event. Examples of the event include a message reception, a call signal reception, a missed call, an alarm, a schedule notification, an email reception, and reception of information through an application. The controller 180 may control the light output unit 154 to terminate the output of light when an event confirmation of the user is detected.

The first camera 121a processes a still image or a moving image frame obtained by the image sensor in a photographing mode or a video communication mode. The processed image frame may be displayed on the display unit 151 and may be stored in the memory 170.

The first and second operation units 123a and 123b are examples of the user input unit 123 operated to receive a command for controlling the operation of the mobile terminal 100, Can be collectively called. The first and second operation units 123a and 123b can be employed in any tactile manner, such as touch, push, and scroll, in a tactile manner. Also, the first and second operation units 123a and 123b can be employed in a manner that the user can operate without touching the user through a proximity touch, a hovering touch, or the like.

In the figure, the first operation unit 123a is a touch key, but the present invention is not limited thereto. For example, the first operation unit 123a may be a mechanical key or a combination of a touch key and a touch key.

The contents input by the first and second operation units 123a and 123b can be variously set. For example, the first operation unit 123a receives commands such as a menu, a home key, a cancellation, a search, and the like, and the second operation unit 123b receives commands from the first or second sound output units 152a and 152b, And a switch to the touch recognition mode of the display unit 151 can be input.

On the other hand, a third operation unit 123c may be provided on the rear surface of the terminal body as another example of the user input unit 123. [ The third operation unit 123c is operated to receive a command for controlling the operation of the mobile terminal 100, and input contents may be variously set. For example, a command for turning on / off the power, starting, ending, scrolling and the like, adjusting the size of the sound output from the first and second sound output units 152a and 152b, Mode, and the like. The third operation unit 123c may be implemented as a touch input, a push input, or a combination thereof.

The third operation unit 123c may be arranged to overlap with the display unit 151 on the front side in the thickness direction of the terminal body. For example, the third operation unit 123c may be disposed at a rear upper end portion of the terminal body so that the user can easily operate the terminal body when the user holds the terminal body with one hand. However, the present invention is not limited thereto, and the position of the third operation unit 123c may be changed.

When the third operation unit 123c is provided on the rear surface of the terminal body, a new type of user interface using the third operation unit 123c can be realized. In addition, the first operation unit 123a is not disposed on the front surface of the terminal body in place of at least a part of the functions of the first operation unit 123a provided on the front surface of the terminal body, The display unit 151 may be configured as a larger screen.

Meanwhile, in the present embodiment, the third operation unit 123c may include the camera 121b and a single module 200, and may be exposed to the rear surface of the terminal body. In other words, the third operation unit 123c and the camera 121b may be spaced apart from each other on the back surface of the single module 200 and may be exposed to the outside through the hole of the rear case 103 .

Meanwhile, the mobile terminal 100 may be provided with a fingerprint recognition sensor for recognizing the fingerprint of the user, and the controller 180 may use the fingerprint information sensed through the fingerprint recognition sensor as authentication means. The fingerprint recognition sensor may be embedded in the display unit 151 or the user input unit 123.

The microphone 122 is configured to receive a user's voice, other sounds, and the like. The microphone 122 may be provided at a plurality of locations to receive stereophonic sound.

The interface unit 160 is a path through which the mobile terminal 100 can be connected to an external device. For example, the interface unit 160 may include a connection terminal for connection with another device (for example, an earphone or an external speaker), a port for short-range communication (for example, an infrared port (IrDA Port), a Bluetooth port A Bluetooth port, a wireless LAN port, or the like), or a power supply terminal for supplying power to the mobile terminal 100. The interface unit 160 may be implemented as a socket for receiving an external card such as a SIM (Subscriber Identification Module) or a UIM (User Identity Module) or a memory card for storing information.

And the second camera 121b may be disposed on a rear surface of the terminal body. In this case, the second camera 121b has a photographing direction which is substantially opposite to that of the first camera 121a.

The second camera 121b may include a plurality of lenses arranged along at least one line. The plurality of lenses may be arranged in a matrix form. Such a camera can be named an 'array camera'. When the second camera 121b is configured as an array camera, images can be taken in various ways using a plurality of lenses, and a better quality image can be obtained.

The flash 124 may be disposed adjacent to the second camera 121b. The flash 124 illuminates the subject toward the subject when the subject is photographed by the second camera 121b.

And a second sound output unit 152b may be additionally disposed in the terminal body. The second sound output unit 152b may implement a stereo function together with the first sound output unit 152a and may be used for implementing a speakerphone mode during a call.

The terminal body may be provided with at least one antenna for wireless communication. The antenna may be embedded in the terminal body or formed in the case. For example, an antenna constituting a part of the broadcast receiving module 111 (refer to FIG. 3) can be configured to be fetchable from the terminal body. Alternatively, the antenna may be formed as a film type and attached to the inner surface of the rear case 103, or a case including a conductive material may be configured to function as an antenna.

The terminal body is provided with a power supply unit 190 (see FIG. 3) for supplying power to the mobile terminal 100. The power supply unit 190 may include a battery 191 built in the terminal body or detachable from the outside of the terminal body.

The battery 191 may be configured to receive power through a power cable connected to the interface unit 160. Also, the battery 191 may be configured to be wirelessly chargeable through a wireless charger. The wireless charging may be implemented by a magnetic induction method or a resonance method (magnetic resonance method).

In this figure, the rear case 103 is coupled to the rear case 102 to cover the battery 191, thereby limiting the detachment of the battery 191, As shown in Fig. When the battery 191 is detachably attached to the terminal body, the rear case 103 may be detachably coupled to the rear case 102.

The mobile terminal 100 may be provided with an accessory for protecting the appearance or for supplementing or extending the function of the mobile terminal 100. As an example of such an accessory, a cover or a pouch for covering or accommodating at least one surface of the mobile terminal 100 can be mentioned. The cover or pouch may be configured to interlock with the display unit 151 to expand the function of the mobile terminal 100. Another example of an accessory is a touch pen for supplementing or extending a touch input to the touch screen.

Hereinafter, the waterproof structure of the mobile terminal 100 will be described.

FIG. 5 is an exploded perspective view of a mobile terminal according to an embodiment of the present invention, FIG. 6 is a perspective view of FIG. 5 viewed from another angle, and FIG. 7 is a perspective view showing a state in which a waterproof portion is engaged with a coupling groove according to an embodiment of the present invention It is a perspective view.

In this embodiment, the waterproof structure of the mobile terminal 100 will be described as an example for preventing water or dust from entering the sound output unit 152. [ However, this is for convenience of explanation, and the waterproof structure described below may be provided in other electronic parts of the mobile terminal.

5 and 6, as described above, the front and rear cases 101 and 102 of the mobile terminal 100 can be integrally molded and injected. Between the front case 101 and the rear case 102, there is provided a base portion 181 on which electronic components for driving the mobile terminal 100 are mounted.

Between the front case 101 and the base unit 181, an acoustic output for electrically outputting information processed by the mobile terminal 100, which is electrically connected to one surface of the base unit 181, (Not shown). The rear surface of the front case 101 is provided with a seating groove 101a formed by a side wall 101b protruding from the rear surface of the front case 101. The sound output portion 152 can be seated in the seating groove 101a have. That is, the cross-sectional shape of the seating groove 101a is formed to correspond to the cross-section of the sound output section 152, and the front surface of the sound output section 152 is formed on the bottom surface 101c of the seating groove 101a Lt; / RTI >

The bottom surface 101c of the seating groove 101a is formed with an exposure hole 101d for exposing at least a part of the front surface of the sound output unit 152 to the outside. The exposure hole 101d is formed through the front case 101 and exposes at least a part of the sound output section 152 to the outside so that the sound output from the sound output section 152 is transmitted to the case 101 and 102, respectively. The display unit 151 is also provided with an exposure hole 151a corresponding to the position of the exposure hole 101d for emitting a sound output from the sound output unit 152. [ Therefore, the sound output from the sound output unit 152 is transmitted to the outside of the mobile terminal 100 through the plurality of exposure holes 101d and 151a.

The front surface of the front case 101 is covered with a shielding film 101d for preventing dust from entering into the case 101 through the exposure hole 101d, (104) are formed. A plurality of through holes are formed in the shielding film 104, and the sound of the sound output unit 152 can be transmitted to the outside through the plurality of through holes. That is, the shielding film 104 may be understood to be coupled to the front surface of the front case 101 to shield the exposure hole 101d.

An engaging groove 105 is formed in the front surface of the front case 101 to surround the exposure hole 101d and the shielding film 104 at a predetermined distance toward the rear. For example, when the exposure hole 101d and the shielding film 104 are formed in an elliptical shape having a long transverse length, the coupling groove 105 has a constant width along the periphery of the elliptical exposure hole 101d .

6 and 7, the waterproof portion 210 is coupled to the coupling groove 105 in the front surface of the front case 101. The waterproof portion 210 is formed in the shape of a ring having a hole 215 at the center thereof and is fitted into the coupling groove 105. That is, the cross-sectional shape of the waterproof portion 210 corresponds to the engagement groove 105.

The waterproof portion 210 includes a ring-shaped body 212 and a skin 214 extending forward from the front surface of the body 212. The shielding film 214 may be concentric with the edge of the hole 215 of the body 212 and the peripheral edge of the body 212. The shielding film 214 extends from the front surface of the body 212 toward the display unit 151 so that when the display unit 151 is coupled to the front case 101, And is brought into contact with the back surface.

On the other hand, the curled film 214 may form an inclined surface. In detail, the inner circumferential surface and the outer circumferential surface of the curtain film 214 are inclined so that the cross-sectional area of the hole formed by the curtain film 214 increases toward the front of the front case 101. The outer surface of the curled elastic film 214 may contact a part of the inner circumferential surface of the engaging groove 105.

Accordingly, the front end of the curtain wall 214, which is in contact with the display unit 151, has a relatively larger cross-sectional area than the rear end, so that the display unit 151 can be stably supported. When moisture or foreign matter enters between the display unit 151 and the front case 101, it is caught by the curtain wall 214 and is guided to the rear of the front case 101 through the exposure hole 101d The moisture or the foreign matter can be prevented from moving. That is, moisture or foreign matter introduced from the periphery of the curtain film 214 can not be moved to the exposure hole 101d by the curtain film 214. [

FIG. 8 is a sectional view showing a side view of a mobile terminal according to an embodiment of the present invention, and FIG. 9 is an enlarged view of an enlarged view of FIG. 8A.

8 and 9, the acoustic output unit 152 is seated in the seating groove 101a formed on the rear surface of the front case 101, as described above. A connection clip 183 extending from the back surface of the sound output unit 152 is connected to the connection terminal 183 formed on the front surface of the base unit 181 183 to be electrically connected.

The shielding film 214 protrudes forward from the body 212 to support the back surface of the display unit 151 and to prevent the display unit 151 and the front case 101 It is possible to prevent dust or moisture flowing into the rear portion of the exposure hole 106 from moving.

The seating groove 101a is provided with a waterproof pad 230 having one surface contacting the bottom surface 101c of the seating groove 101a and the other surface contacting the front surface of the sound output section 152. [ The waterproof pad 230 covers at least a part or the whole of the front surface of the sound output unit 152 and both surfaces are pressed to the seating groove 101a and the sound output unit 152. [

Therefore, even when a small amount of moisture or dust is introduced through the exposure hole 106, the waterproof pad 230 shields the space formed between the seating groove 101a and the acoustic output unit 152, It is prevented from moving to the rear of the sound output unit 152, i.e., into the inside of the mobile terminal 100. [ That is, the mobile terminal 100 primarily performs the waterproofing by the curtain 214, and secondarily performs the waterproofing by the waterproof pad 230, so that it can exhibit the double waterproof effect. Meanwhile, the material of the waterproof pad 230 may be Gore-Tex.

Claims (10)

A display unit for outputting an image;
A front case disposed on a rear side of the display unit and having the display unit mounted on a front surface thereof;
A rear case disposed at the rear of the front case and forming an inner space by engaging with the front case;
A substrate portion provided in the inner space; And
And an electronic part electrically connected to the base part at a front side of the base part and at least a part of which is seated in a seating groove formed in a back surface of the front case,
Wherein the front case is formed with an exposure hole which is formed to penetrate the front and rear surfaces and in which the electronic part seated in the seating recess is exposed in front of the display part,
And a waterproof portion is provided around the exposed hole in the front surface of the front case so as to prevent dust or foreign matter from entering the rear of the front case through the exposure hole.
The method according to claim 1,
Wherein the front case and the rear case are integrally molded and injected.
The method according to claim 1,
A ring-shaped coupling groove is formed in the front surface of the front case so as to be recessed rearward along the periphery of the exposure hole.
And the waterproof portion is coupled to the coupling groove.
The method of claim 3,
The water-
And a shielding film extending forward from a front surface of the body and contacting the back surface of the display unit.
5. The method of claim 4,
Wherein the inner circumferential surface and the outer circumferential surface of the shielding film are formed with inclined surfaces so that the cross-sectional area becomes wider toward the front.
The method according to claim 1,
The electronic component includes:
And a sound output section for outputting information to be processed by a sound.
The method according to claim 6,
Wherein a shielding film having a plurality of through holes is coupled to an area of the front surface of the front case where the exposure holes are formed to prevent dust from flowing into the inner space through the exposure holes.
The method according to claim 1,
In the seating groove,
And a waterproof pad having one side abutted against the bottom surface of the seating groove and the other side abutting against the front surface of the electronic component so that both surfaces are pressed.
9. The method of claim 8,
Wherein the material of the waterproof pad is Gore-Tex.
The method according to claim 1,
On the rear surface of the rear case,
A camera for capturing images, and an operation unit for user operation are provided as a single module.

Images