KR20160028126A - Mobile terminal - Google Patents

Abstract

A mobile terminal including a curved surface curved in a first direction, comprising: a display; A front case on which the display unit is seated on the front side; A rear case coupled to a rear surface of the front case to form a full length portion between the front case and the rear case; A battery frame coupled to the front case and including a battery seating portion; A battery coupled to a battery seating portion of the battery frame; And a curved bar curved in the first direction, the curved bar being disposed adjacent to the battery and engaging with the front case and the battery frame, the mobile terminal comprising: So that the curved surface shape can be maintained. In addition, the fastening force between the boat tree frame and the front case can be increased to sufficiently support the display unit even if the middle frame is omitted.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a curved 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. .

As the importance of multimedia functions is emphasized, a large-sized mobile terminal with a large display size is emerging, and tablets of 8 inches or more appear. When the screen is enlarged, a demand for a display portion of a curved surface shape is increased in order to increase the degree of immersion. However, in the case of a curved display, since the display unit is configured to fix the curved surface by fixing the original flat state with a mechanism such as a case, there is a problem that it is difficult to maintain the curved surface as it becomes larger.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mobile terminal capable of maintaining a curved surface of a curved mobile terminal.

A mobile terminal including a curved surface curved in a first direction, comprising: a display; A front case on which the display unit is seated on the front side; A rear case coupled to a rear surface of the front case to form a full length portion between the front case and the rear case; A battery frame coupled to the front case and including a battery seating portion; A battery coupled to a battery seating portion of the battery frame; And a curved bar disposed adjacent to the battery and coupled to the front case and the battery frame, the curved surface being curved in the first direction.

The front case having a fastening slot opened in a second direction perpendicular to the first direction; And a frame seating part positioned at a rear surface of the fastening slot and on which the battery frame is seated, wherein the curved bar is located at one side of the second direction and is engaged with the frame seating part and the battery frame .

The coupling portion may include a first coupling portion inserted into the coupling slot, a second coupling portion located on the back surface of the battery frame, and a third coupling portion maintaining a gap between the first coupling portion and the second coupling portion .

Wherein the curved bar is formed by hemming a rectangular metal plate along a first direction, the first plate contacting the back surface of the front case; A second plate stacked on a back surface of the first plate; And a folding part which is located on the other side in the second direction and connects the first plate and the second plate, and the engaging part is formed by folding at one end of the first plate in the second direction, And one end of the second plate in the second direction.

A protrusion formed inside the fastening slot; And a recess portion formed at a position corresponding to the protrusion, wherein a portion of the first engaging portion is omitted.

Wherein the first engaging portion is formed by cutting a part of one side of the curved bar in the second direction, and the second engaging portion and the third engaging portion are formed by cutting one side end of the curved bar in the second direction except for the first engaging portion, It can be formed by folding at a right angle.

Wherein the curved bar and the front case are integrally formed by insert injection, the hook further includes a hook protruding from an end of the battery frame and including a slope, and the engaging portion includes a first engaging portion inserted into the engaging slit; A fourth engaging portion protruding from the curved bar in the backward direction; And a fifth engaging portion formed at the fourth engaging portion with a hole at a position corresponding to the hook.

The frame receiving portion may have a stepped portion, and the front surface of the battery frame may have a concavo-convex shape corresponding to the stepped portion.

The front case may further include a battery receiving portion formed by omitting the inside of the frame receiving portion.

The battery frame includes a side wall frame surrounding the periphery of the battery and surrounding the inside of the battery housing part, And a latch frame protruding outward from the side wall frame to cover the frame seat.

The battery includes a plurality of batteries, and the battery frame further includes a divided frame that divides the inside of the battery frame, and the battery can be coupled to the divided part.

And a battery circuit unit connecting the plurality of batteries or connecting each battery to a main board, and a part of the divided frame may be formed with a step to allow the battery circuit unit to pass through.

The front case may further include a battery receiving portion formed by omitting the inside of the frame receiving portion, and the battery receiving portion may further include a support bar at a position corresponding to the divided frame.

The curved bar may include a metallic material, and may further include a ground line connecting the display unit and the curved bar.

The method of claim 1, wherein the curved bar is formed by beading and further comprises a bead in a first direction.

The curved bar may further include a screw hole through which the screw fastened to the front case passes.

The curved bar may be coupled to both sides of the battery frame in the second direction, and both sides of the battery frame in a first direction may include a screw hole into which a screw to be coupled with the front case is inserted.

According to at least one embodiment of the present invention, the shape of the curved surface can be maintained by resisting the restoring force of the display unit to return to the plane. In addition, the fastening force between the boat tree frame and the front case can be increased to sufficiently support the display unit even if the middle frame is omitted.

Further scope of applicability of the present invention will become apparent from the following detailed description. It should be understood, however, that the detailed description and specific examples, such as the preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.

1A is a block diagram illustrating a mobile terminal according to the present invention.
1B and 1C are conceptual diagrams illustrating an example of a mobile terminal according to the present invention in different directions.
2 is an exploded perspective view showing an example of a mobile terminal according to the present invention.
3 is a rear view of a mobile terminal according to an embodiment of the present invention.
4 is an exploded perspective view showing an example of a front case, a battery frame, and a battery according to the present invention.
5 is a rear view showing an example of a front case, a battery frame, and a battery of the present invention.
6 is a perspective view illustrating an example in which a curved bar associated with the present invention is coupled to a front case and a battery frame.
7 is a cross-sectional perspective view showing the AA 'section of FIG.
8 is a cross-sectional perspective view showing the cross section BB 'of FIG.
9 is a cross-sectional perspective view showing an example of a curved bar related to the present invention.
10 is a cross-sectional view showing a cross section taken along line CC 'in FIG.
11 is a cross-sectional view showing another example of a curved bar related to the present invention.
12 is a cross-sectional view showing another example of a curved bar associated with the present invention.
FIG. 13 is a cross-sectional view illustrating an embodiment in which the curved bar of FIG. 12 is fastened to the front case and the battery frame.
FIG. 14 is a cross-sectional view showing the DD 'section of FIG. 2; FIG.
15 is a cross-sectional view showing a section taken along the line EE 'in Fig.
16 is a view showing an example of a front case, a battery frame and a battery of the present invention.

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.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

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.

1A to 1C are block diagrams for explaining a mobile terminal according to the present invention, and FIGS. 1B and 1C are conceptual diagrams showing an example of a mobile terminal according to the present invention in different directions.

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, and a power supply unit 190 ), And the like. The components shown in FIG. 1A 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.

The wireless communication unit 110 may be connected between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and another mobile terminal 100 or between the mobile terminal 100 and the external server 100. [ Lt; RTI ID = 0.0 > wireless < / RTI > 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 A touch key, a mechanical key, and the like). 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 at least one sensor 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 (for example, a barometer, a hygrometer, a thermometer, a radiation detection 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 includes at least one of a display unit 151, an acoustic output unit 152, a haptic tip module 153, and a light output unit 154 to generate an output related to visual, auditory, can do. 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 that provides 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 types 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 running on 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. Also, at least a part of these application programs may exist on the mobile terminal 100 from the time of shipment for the basic functions (e.g., telephone call receiving function, message receiving function, and calling function) of the mobile terminal 100. Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and may be operated by the control unit 180 to perform the operation (or function) of the mobile terminal.

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

In addition, the controller 180 may control at least some of the components illustrated in FIG. 1A 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.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power to the components included in the mobile terminal 100. The power supply unit 190 includes a battery, which 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. 1B and 1C, the disclosed mobile terminal 100 includes a bar-shaped terminal body. In particular, the mobile terminal 100 of the present invention includes a curved surface formed in a first direction. 1B and 1C, the first direction refers to a longitudinal direction having a longer length, and the upper and lower ends protrude toward the front direction in which the display unit 151 is located, and the central portion protrudes to the back surface convexly The mobile terminal 100 shown in FIG.

However, the present invention is not limited to the mobile terminal 100 including the curved surface in the longitudinal direction shown in Figs. 1B and 1C, but may be a configuration in which the center protrudes in the front direction, ) Are also included in the present invention. For convenience of explanation, the mobile terminal 100 including the curved surface in the up-down direction, that is, the longitudinal direction is described as a reference, but the present invention is not limited thereto.

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, and the like) that forms an appearance. As shown, the mobile terminal 100 may include a front case 101 and a rear case 102. Various electronic components are disposed in the 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.

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 also be mounted on the rear case 102. Electronic parts that can be mounted on the rear case 102 include detachable batteries, an identification module, a memory card, and the like. In this case, a rear cover (not shown) for covering the mounted electronic components can be detachably coupled to the rear case 102. [ Therefore, when the rear cover 103 is separated from the rear case 102, the electronic parts mounted on the rear case 102 are exposed to the outside.

As shown in the figure, when the rear cover is coupled to the rear case 102, a side portion of the rear case 102 can be exposed. In some cases, the rear case 102 may be completely covered by the rear cover during the coupling. Meanwhile, an opening for exposing the rear cover or the sound output unit 152b to the outside may be provided.

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 unit (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 cover 103, And a waterproof member for sealing the inside space of the oven.

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, Cameras 121a and 121b, first and second operation units 123a and 123b, a microphone 122, an interface unit 160, and the like.

1B and 1C, a display unit 151, a first sound output unit 152a, a proximity sensor 141, an illuminance sensor 142, an optical output unit (not shown) A second operation unit 123b, a microphone 122 and an interface unit 160 are disposed on a side surface of the terminal body, And a mobile terminal 100 having a second sound output unit 152b and a second camera 121b disposed on a rear surface thereof.

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 surface of the terminal body rather than the rear surface of the terminal body.

The display unit 151 displays (outputs) 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 .

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 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 each other or disposed integrally with one another, or may be disposed on different surfaces, respectively.

The display unit 151 may include a touch sensor that senses a touch with respect 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 may be a film having a touch pattern and disposed between the window 151a and a display (not shown) on the rear surface of the window 151a, or may be a 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 way, the display unit 151 can form a touch screen together with the touch sensor. In this case, the touch screen can function as a user input unit 123 (see FIG. 1A). In some cases, the touch screen may replace at least some 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 implemented as a loud speaker for outputting various alarm sounds or multimedia playback sounds. ). ≪ / RTI >

The window 151a of the display unit 151 may be provided with an acoustic hole for emitting the 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 more simple because the hole formed independently for the apparent acoustic output is hidden or hidden.

The optical output unit 154 is configured to output 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 control unit 180 may control the light output unit 154 to terminate the light output when the event confirmation of the user is detected.

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

The first and second operation units 123a and 123b may be collectively referred to as a manipulating portion as an example of a user input unit 123 operated to receive a command for controlling the operation of the mobile terminal 100 have. The first and second operation units 123a and 123b can be employed in any manner as long as the user is in a tactile manner such as touch, push, scroll, or the like. In addition, the first and second operation units 123a and 123b may be employed in a manner that the user operates the apparatus without touching the user through a proximity touch, a hovering touch, or the like.

In this 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 a command such as a menu, a home key, a cancellation, a search, and the like, and the second operation unit 123b receives a command from the first or second sound output unit 152a or 152b The size of the sound, and the change of the display unit 151 to the touch recognition mode.

On the other hand, a rear input unit (not shown) may be provided on the rear surface of the terminal body as another example of the user input unit 123. The rear input unit is operated to receive a command for controlling the operation of the mobile terminal 100, and input contents may be variously set. For example, commands such as power on / off, start, end, scrolling, and the like, the size adjustment of the sound output from the first and second sound output units 152a and 152b, And the like can be inputted. The rear input unit may be implemented as a touch input, a push input, or a combination thereof.

The rear input unit may be disposed so as to overlap with the front display unit 151 in the thickness direction of the terminal body. For example, the rear input unit may be disposed at the rear upper end of the terminal body such that when the user holds the terminal body with one hand, the rear input unit can be easily operated using the index finger. However, the present invention is not limited thereto, and the position of the rear input unit may be changed.

When a rear input unit is provided on the rear surface of the terminal body, a new type of user interface using the rear input unit can be realized. When 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, 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 the 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 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 a 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 may be referred to as 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 may be disposed adjacent to the second camera 121b. The flash 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 in 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 (see FIG. 1A) may be configured to be able to be drawn out from the terminal body. Alternatively, the antenna may be formed in a film type and attached to the inner surface of the rear cover 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. 1A) 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. In addition, 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).

The rear cover 103 is configured to be coupled to the rear case 102 so as to cover the battery 191 to restrict the release of the battery 191 and to protect the battery 191 from external impact and foreign matter . When the battery 191 is detachably attached to the terminal body, the rear cover 103 may be detachably coupled to the rear case 102.

The mobile terminal 100 may be provided with an accessory that protects the appearance or supports or expands the function of the mobile terminal 100. [ One example of such an accessory is a cover or pouch that covers or accommodates at least one side of the mobile terminal 100. [ 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.

FIG. 2 is an exploded perspective view illustrating an example of a mobile terminal 100 according to the present invention. FIG. 3 is a perspective view illustrating a mobile terminal 100 according to an embodiment of the present invention. Back view. The mobile terminal 100 according to the present invention may omit the middle frame supporting the back surface of the display unit 151 and reinforcing the rigidity of the mobile terminal 100 between the front case 101 and the rear case, And a curved bar 200 positioned on the right and left sides.

The thickness of the mobile terminal 100 can be reduced by omitting the middle frame and the back surface of the display unit 151 is supported by using the front case 101 and the battery 191 instead of the middle frame. For reinforcement of rigidity, the curved bar 200 may comprise carbon fiber or may be made of a high strength material such as a metal.

The curved bar 200 supports the back surface of the display unit 151 and serves to maintain the shape of the curved mobile terminal 100 in addition to reinforcing the rigidity of the mobile terminal 100. [ In the case of the mobile terminal 100 having a large screen like the tablet PC, since the force for the display unit 151 to return to the plane is greater and the displacement of the bent portion is large, it is more difficult to maintain the curved shape, ), It is helpful to maintain the curved shape.

As shown in FIG. 3, the curved bar 200 may be positioned on only one side of the curved bar 200. However, the curved bar 200 may be provided on the right and left sides of the battery 191 to stably fix the rigidity of the mobile terminal 100, So that the thickness of the mobile terminal 100 is prevented from becoming thick.

2, the front glass 151a covers the display unit 151, and the display unit 151 is seated in the front case 101. Referring to FIG. 3, the front case 101 is provided with a display unit 151 and a window glass 151a. On the rear surface of the front case 101, a battery 191, a main board 185, An output unit 152, a camera 121, and the like. The rear case 102 covering the main board 185, the sound output unit 152, the camera 121 and the battery 191 and forming the back surface of the mobile terminal 100 body is defective in the front case 101 .

The curved bar 200 is bent in the longitudinal direction as shown in Fig. 2, and both the front case 101 and the rear case 102 have a curved shape. The battery 191 may be formed in a curved shape, or a plurality of planar batteries 191 may be arranged on a curved surface.

The battery 191 can be fixed to the battery frame 193 by using the adhesive tape 195. Especially when a plurality of batteries 191 are mounted, the adhesive tape 195 can be used to fix the position of each battery 191 Can be fixed.

Various components including the main board 185 can be disposed in the left and right or upper and lower spaces of the battery 191. Particularly, the present invention relates to a mobile terminal 100 including a large-size display unit 151, and even if a large-sized battery 191 is used, a space for installing electronic components can be ensured because of a free space.

Each member will be described according to the assembling procedure of the mobile terminal 100 of the present invention. 4 and 5 are views showing a state in which the front case 101 and the battery frame 193 are engaged with each other and a battery frame 193 is seated on the back surface of the front case 101. [

In order to further reduce the thickness of the mobile terminal 100, an opening may be formed in the front case 101 at a position corresponding to the battery 191 to form the battery receiving portion 101a. The battery 191 itself can serve to support the rear surface of the display unit 151 so that the portion corresponding to the portion where the battery 191 is located (the battery receiving portion 101a) omits the front case 101 The thickness of the mobile terminal 100 can be reduced.

The battery frame 193 is made up of linear members wrapping around the seat 191 of the battery 191 to which the battery 191 is coupled. The battery frame 193 includes a side wall frame 1931 that surrounds the battery 191 and surrounds the inside of the battery accommodating portion 101a and is formed so as to protrude from the side wall frame 1931 to cover the frame seat 1012 And a fixed frame 1932.

When the battery 191 is divided into two or more parts as shown in FIG. 4, in order to implement the mounting part of the battery 191 on which each battery frame 193 is seated, the battery 191 ) And a division frame 1935 for dividing the seat portion.

And a frame receiving portion 1012 to which the battery frame 193 is coupled around the battery receiving portion 101a of the front case 101 can be provided. The frame seating portion 1012 is formed corresponding to the shape of the battery frame 193 and the supporting frame 1015 on which the divided frame 1935 is seated is disposed in the battery accommodating portion 1935 when the battery frame 193 has the divided frame 1935. [ Can be formed across the portion 101a.

4, a step 1013 is formed in the frame seating part 1012 so that the battery frame 193 is seated in place, and the front surface of the battery frame 193 is separated from the step of the frame seating part 1012 The concaves and convexes 1933 may be formed in a shape corresponding to the concave and convex portions 1013.

And a battery circuit unit 192 for connecting each battery 191 or connecting the battery 191 to the main board 185 when the battery 191 coupled to the battery frame 193 is divided into a plurality of cells. The battery circuit unit 192 includes a connection terminal 192 'connected to the main board 185.

The battery circuit unit 192 must be connected to each battery 191 as shown in FIG. 5, and therefore, must be disposed through the divided frame 1935. Therefore, the divided frame 1935 can be formed with a step 1935 'having a partially different height so that the battery circuit portion 192 can pass through.

The battery frame 193 to which the battery 191 is coupled is seated on the frame seating portion 1012 and the battery frame 193 and the frame seating portion 1012 are coupled using the curved bar 200. [ 6, the curved bar 200 slides in a direction perpendicular to the curved direction of the curved bar 200, that is, in the left and right directions, and the battery frame 193 and the frame receiving portion 1012 are fastened together. The pair of curved bars 200 are coupled to the left and right sides of the battery frame 193 by slidingly coupling a pair of curved bars 200 from the left and right outside of the battery frame 193 toward the inside.

The left and right sides of the battery frame 193 are fixed to the front case 101 by the curved bar 200 and the upper and lower sides of the battery frame 193 can be coupled with screws. A screw hole 1936 into which the screw is inserted may be formed on the upper side and the lower side of the battery frame 193.

7 and 8 are sectional views showing a state in which the curved bar 200 related to the present invention is fastened to the front case 101 and the battery frame 193. The curved bar has a coupling part 230 at one side in the width direction for fastening with the front case 101 and the battery frame 193. The coupling portion 230 may be formed in a rail shape in which the front case 101 and the battery frame 193 are inserted at the same time.

The rail includes a first engaging portion 231 fixed to the front case 101, a second engaging portion 232 located on the back surface of the battery 191 cover for fixing the battery 191 cover and a first engaging portion 231 And a third engaging portion 233 for maintaining a gap between the first engaging portion 232 and the second engaging portion 232. The cross section of the engaging portion 230 has a C shape.

The front case 101 includes a fastening slot opened to the left and right to insert the first engaging part 231 and a frame seating part 1012 on which the battery frame 193 is seated is disposed on the back surface of the fastening slot. .

The battery frame 193 is coupled to the frame seating portion 1012 and the first coupling portion 231 is inserted into the slot of the front case 101. The frame seating portion 1012 and the battery frame And the front case 101, the battery frame 193, and the curved bar 200 are engaged with each other as shown in FIG.

As shown in Fig. 9, the curved bar 200 of the present embodiment can be manufactured by folding for rigidity. The folding process increases the rigidity of the metal plate. The bead 220 may be formed by pressing a part of the curved bar 200 to further improve the rigidity.

The shape of the bead 220 formed by machining the bead 220 may be hemispherical or may be formed to be long in the longitudinal direction as shown in FIG. The longer the longitudinal direction, the greater the rigidity that the curved surface of the mobile terminal 100 is supported by the restoring force to be stretched.

A curved bar 200 formed by folding a rectangular long rectangular metal plate in the longitudinal direction has a first plate 211 in contact with the back surface of the front case 101 and a second plate 211 on the back surface of the first plate 211, And a folding part 213 located on the other side in the width direction and connecting the first plate 211 and the second plate 212.

The U-shaped slot-like engaging portion located at one side of the curved bar 200 can be formed by folding the end of the second plate 212. The end portion of the first plate 211 becomes the first engaging portion 231 to be inserted into the fastening slot 1011 of the front case 101 and the end portion of the second plate 212 is folded twice The second engaging portion 232 and the third engaging portion 233 can be formed.

Fig. 10 is a perspective view for explaining a fastening mode of the curved bar 200 and the front case 101 related to the present invention, in which the projection 1014 is shown coupled with the recess portion 235. Fig. The recess 235 can partially be formed by machining the end of the first engaging part 231. [ 10, the recess portion 235 is inserted with a protrusion 1014 partially protruding inside the fastening slot 1011. As shown in FIG. The recess portion 235 and the protrusion prevent the curved bar 200 from flowing in the vertical direction.

11 is a cross-sectional view showing another example of the curved bar 200 related to the present invention. The curved bar 200 of the present embodiment does not implement the double curved bar 200 but forms one of the ends of the one metal plate to form the engaging portion 230. [ In the case of the double curved bar 200, the first plate 211 is formed as the first coupling portion 231 and the second plate 212 is formed as the second coupling portion 232. However, (200) cuts one end of the curved bar (200) to form a first engaging part (231) and a second engaging part (232).

The U-shaped or U-shaped incision cut in one side of the curved bar 200 in the width direction serves as a first engaging portion 231. The second engaging portion 232 and the third engaging portion 233 are formed by cutting The remaining portions except for the bent portion are folded twice to form a step. Since the curved bar 200 is formed of a single layer of metal plate, the thickness of the curved bar 200 can be reduced even if the rigidity is weak, and the amount of the member for forming the metal bar can be reduced by half.

Fig. 12 is a sectional view showing another example of the curved bar 200 related to the present invention, and Fig. 13 is a view showing a state in which the curved bar 200 of Fig. 12 is fastened to the front case 101 and the battery frame 193 Fig.

This embodiment can be applied to the case where the battery frame 193 is coupled to the front case 101 and the curved bar 200 in a state where the curved bar 200 is first coupled to the front case 101. For example, when the curved bar 200 is integrally formed through the insert injection in the front case 101, the battery frame 193 must be later assembled.

In this case, it is difficult to locate the second engaging part 232 on the rear surface of the battery frame 193. The first engaging part 231 fixed to the front case 101, the curved bar 200 And a hole (fifth engaging portion 236) formed in the fourth engaging portion 234 and the fourth engaging portion 234 protruding in the back face direction from the first engaging portion 234. The first coupling portion 231 may be omitted when the front casing 101 is injection molded.

The battery frame 193 has a hook 1937 inserted in the fifth engaging portion 235 in a lateral direction and the hook 1937 is formed with an inclined surface 1937 ' ', And the hook 1937 is fastened to the fifth engaging portion 236 while the fourth engaging portion is pushed outward. The fifth engaging portion 236 serves as the second engaging portion 232 that fixes the battery frame 193 in the above-described embodiment.

14 is a cross-sectional view taken along the line D-D 'in Fig. And a signal line connecting between the connection terminal 192 'and the main substrate. The signal lines may be arranged to be positioned in the back surface direction of the curved bar 200. The adhesive tape can be opened without covering the connection terminal 192 'to expose the connection terminal 192' as shown in FIG.

The curved bar 200 may serve as a ground when it is made of a metal material. The display unit 151 and various components can be brought into contact with the curved bar 200 to be grounded and a ground line electrically connected to the display unit 151 by forming an opening in the front case 101 can be displayed on the display unit 151 And the curved bar 200, as shown in FIG.

A grounding line 151 'is formed by attaching an elastic terminal such as a C clip to the back surface of the display unit 151 and the display unit 151 is coupled to the front surface of the front case 101. When the curved bar 200 is coupled to the back surface of the front case 101, the display unit 151 is grounded via the ground line 151 'to block static electricity flowing through the display unit 151, 151 can be improved.

The front case 101 and the curved bar 200 can be coupled to each other through a screw 240. The front case 101 is provided with the screw 240 And the curved bar 200 may include a screw hole 242 through which the screw 240 passes.

16 is a view showing an example of the front case 101, the battery frame 193 and the battery 191 of the present invention. In the case of using a cable covered with an insulating material such as an RF cable, And a clip 250 for fixing the cable to the fixing part.

According to at least one embodiment of the present invention, the shape of the curved surface can be maintained by restoring the restoring force of the display unit 151 to return to the plane. Further, it is possible to sufficiently support the display unit 151 even if the middle frame is omitted by increasing the fastening force between the boat tree frame and the front case 101.

The foregoing detailed description should not be construed in all aspects as limiting and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

100: mobile terminal 110: wireless communication unit
120: Input unit
140: sensing unit 150: output unit
160: interface unit 170: memory
180: control unit 190: power supply unit
101: front case 1011: fastening slot
1012: frame mounting portion 1013: stepped portion
1014: projection 1015: support bar
191: Battery 192: Battery circuit part
192 ': connection terminal 193: battery frame
1931: side wall frame 1932: stationary frame
1933: Uneven 1935: Split frame
195: adhesive tape 200: curved bar (200)
211: first plate 212: second plate
213: folding part 220: bead
230: engaging portion 231: first engaging portion
232: second coupling portion 233: third coupling portion
235: recessed part

Claims (17)

A mobile terminal comprising a curved surface curved in a first direction,
A display unit;
A front case on which the display unit is seated on the front side;
A rear case coupled to a rear surface of the front case to form a full length portion between the front case and the rear case;
A battery frame coupled to the front case and including a battery seating portion;
A battery coupled to a battery seating portion of the battery frame; And
And a curved bar disposed adjacent to the battery and coupled to the front case and the battery frame, the curved bar including a curved surface curved in the first direction. The method according to claim 1,
The front case
A fastening slot opened in a second direction perpendicular to the first direction; And
Further comprising: a frame seating part located on a back surface of the fastening slot and on which the battery frame is seated,
Wherein the curved bar is located at one side of the second direction and includes an engaging portion which is engaged with the frame seating portion and the battery frame. 3. The method of claim 2,
The coupling portion
A first engaging portion inserted into the fastening slot,
A second engaging portion located on a back surface of the battery frame,
And a third coupling unit for maintaining an interval between the first coupling unit and the second coupling unit. The method of claim 3,
Wherein the curved bar is formed by hemming a rectangular metal plate along a first direction,
A first plate contacting the back surface of the front case;
A second plate stacked on a back surface of the first plate;
And a folding part located on the other side of the second direction and connecting the first plate and the second plate,
The coupling portion
And one end of the first plate in the second direction and one end of the second plate of the second plate folded at twice a right angle. The method of claim 3,
A protrusion formed inside the fastening slot; And
And a recessed portion formed at a position corresponding to the protrusion, wherein a portion of the first engagement portion is omitted. The method of claim 3,
Wherein the first engaging portion is formed by cutting a part of one side of the curved bar in the second direction,
Wherein the second engaging portion and the third engaging portion are formed by folding the end portion of the curved bar in the second direction at a right angle twice except for the first engaging portion. 3. The method of claim 2,
Wherein the curved bar and the front case are integrally formed by insert injection,
Further comprising a hook projecting from an end of the battery frame and including a sloped front surface,
The coupling portion
A first engaging portion inserted into the fastening slit;
A fourth engaging portion protruding from the curved bar in the backward direction; And
And a fifth engaging portion formed at the fourth engaging portion with a hole at a position corresponding to the hook. 3. The method of claim 2,
Wherein the frame receiving portion has a stepped portion,
Wherein a front surface of the battery frame is formed with a concavo-convex shape corresponding to the step. 3. The method of claim 2,
Wherein the front case further comprises a battery receiving portion formed by omitting the inside of the frame receiving portion. 10. The method of claim 9,
Wherein the battery frame comprises:
A side wall frame surrounding the periphery of the battery and surrounding the inside of the battery housing part; And
And a stationary frame protruding outwardly from the side wall frame to cover the frame seat part. 3. The method of claim 2,
Wherein the battery includes a plurality of batteries,
Wherein the battery frame further includes a divided frame for partitioning the inside of the battery frame,
And wherein the battery is coupled to a portion partitioned by the divided frame. 12. The method of claim 11,
Further comprising a battery circuit unit connecting the plurality of batteries or connecting each battery to a main board,
Wherein a part of the divided frame is formed with a step so that the battery circuit part passes through the stepped part. 12. The method of claim 11,
Wherein the front case further comprises a battery accommodating portion formed by omitting the inside of the frame seat portion,
Wherein the battery accommodating portion is further formed with a supporting bar at a position corresponding to the divided frame. The method according to claim 1,
Wherein the curved bar comprises a metallic material,
And a ground line connecting the display unit and the curved bar. The method according to claim 1,
The curved bar
Characterized in that the mobile terminal further comprises a bead formed by beading and extending in a first direction. The method of claim 1, wherein
Wherein the curved bar further comprises a screw hole through which a screw fastened to the front case passes. The method according to claim 1,
The curved bars engage both sides of the battery frame in the second direction,
Wherein the battery case further includes screw holes through which the screws fastened to the front case are inserted, on both sides of the battery frame in the first direction.

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