KR20120087731A - Mobile terminal - Google Patents

Abstract

PURPOSE: A portable terminal is provided to guarantee the RF(Radio Frequency) performance of an antenna by preventing contact failure of a ground area when a slide member is used as the ground of the antenna. CONSTITUTION: An upper body(110) realizes an open state which exposes the upper surface of a lower body(120) and a closed state which the upper body covers with a part of the lower body. A slide member(300) combines the upper body with the lower body in order to relatively slide the upper body and the lower body. A PCB(Printed Circuit Board)(200) is stored in the inside lower body. A fastening member(400) couples fastens the PCB, the lower body, and the slide member.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal.

As the functions are diversified, the terminal is implemented in the form of a multimedia device having a complex function of, for example, taking pictures or moving pictures, playing music or moving picture files, receiving games and receiving broadcasts have.

The terminal can move And may be divided into a mobile terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. A portable terminal is a portable device that is portable and has one or more functions for making voice and video calls, inputting and outputting information, and storing data.

As portable terminals are regarded as personal portable products, form factors have been diversified to facilitate selection according to individuality. The traditional form of a mobile terminal is a bar type in which an input / output unit and a display unit are arranged in one body, and a folder type or swing in which one body is rotated with respect to the other body to be opened or closed. ), Or a slide type in which one body slides with respect to another body and is opened or closed.

The dual slide type is preferred because of its simplicity in opening and the easy recognition of the display unit because it is always exposed to the outside of the terminal. However, in the slide type, there is room for the fastening member fastened to the slide member to be released by the impact generated during the slide movement of the body.

The present invention provides a mobile terminal having improved fastening force of a fastening member fastened to a slide member in a slide type mobile terminal.

The mobile terminal according to an aspect of the present invention is arranged to overlap the lower body and the lower body, and to implement an open state for exposing a portion of the upper surface of the lower body and a closed state for covering the portion by a slide movement. An upper body to be formed, a slide member for coupling the upper body and the lower body to be relatively slidably movable, a printed circuit board accommodated in the lower body and mounted with various electronic components, and the printed circuit board and the lower part. And a fastening member configured to fasten the body and the slide member to be integral, wherein the fastening member includes a first fastening portion which contacts the slide member and is made of a screw and a second fastening surface which contacts the lower body and has a smooth surface. It includes wealth.

In the fastening member, the fastening member may have a stepped diameter in which the diameter of the second fastening part is greater than the diameter of the first fastening part.

In the mobile terminal, a portion of the lower body in which the fastening member contacts may be made of a soft material.

In the mobile terminal, the slide member may be made of a metal material.

In the mobile terminal, a hole to which the fastening member is fastened in the slide member may be formed to protrude.

According to the mobile terminal of the present invention, the fastening member may maintain the fastening force with respect to the slide member against an impact or an external shock generated when one body is slid and opened by the other body.

In addition, since the fastening force is improved, even when the length of the fastening member is short, the same performance can be maintained and the mobile terminal can be slimmed.

In addition, when the slide member is used as the ground of the antenna, it is possible to prevent the poor contact of the ground area to secure the RF performance of the antenna.

1 is a perspective view showing a closed state of a mobile terminal according to an embodiment of the present invention.
2 is a perspective view illustrating an open state of the mobile terminal of FIG. 1.
3 is a perspective view showing the rear of the mobile terminal of FIG.
4 is an exploded view of a mobile terminal according to an embodiment of the present invention;
5 is a perspective view showing a fastening member according to a first embodiment of the present invention;
FIG. 6 is a cross-sectional view in the direction AA of FIG. 5 when the fastening member of FIG. 5 is applied. FIG. 6A is a view illustrating a case where no protrusion is formed on the slide member, and FIG. 6B is a view illustrating a case where the protrusion is formed on the slide member. .
7 is a perspective view showing a fastening member according to a second embodiment of the present invention.
FIG. 8 is a cross-sectional view in the AA direction of FIG. 5 when the binding member of FIG. 7 is applied. FIG. 8A is a view showing a case where no protrusion is formed on the slide member, and FIG. 8B is a view showing a case where the protrusion is formed on the slide member.

Hereinafter, a mobile terminal according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings. In the present specification, different embodiments are given the same or similar reference numerals for the same or similar configurations, and the description is replaced with the first description. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

1 and 2 are top perspective views of a mobile terminal according to the present invention, FIG. 1 is a closed state of the mobile terminal, and FIG. 2 is a state in which the mobile terminal is opened.

As shown in FIGS. 1 and 2, the mobile terminal 100 includes a first body 110 and a second body 120 that are movably coupled to each other. In the mobile terminal 100 disclosed in FIGS. 1 and 2, an example of implementing the opened state by the slide direction in the width direction (horizontal direction) is presented. However, the present invention can also be applied to the example of implementing the open state by the longitudinal (vertical) slide movement.

As illustrated in FIG. 1, a state in which the first body 110 is disposed to overlap with the second body 120 may be referred to as a closed configuration, and as illustrated in FIG. 2, the first body 110 may be referred to as a closed configuration. ) Is moved in one direction so that at least a portion of the second body 120 is exposed may be referred to as an open configuration (open configuration). In the present exemplary embodiment, sliding is illustrated as a 'movement' to the base 130 of the first body 110 and the second body 120, but the present invention is not limited thereto. For example, one of the first body 110 and the second body 120 may be configured to swing or swivel with respect to the other.

The mobile terminal 100 operates mainly in the standby mode in a closed state, but the standby mode may be released by a user's manipulation. In addition, although the mobile terminal 100 operates mainly in a call mode or the like in an open state, the mobile terminal 100 may be switched to a standby mode by a user's manipulation or a lapse of a predetermined time.

The functions or parts that can be disposed on the upper surfaces of the first body 110 and the second body 120 may vary depending on which function the mobile terminal 100 emphasizes or which user interface is pursued. An example can be derived. For example, as illustrated in FIG. 2, the display unit 113 may be installed on the upper surface of the upper body 110, and the second operation unit 123 may be installed on the upper surface of the lower body 120 for an input or a control command.

Referring to FIG. 1, a case (casing, housing, cover, etc.) forming the exterior of the first body 110 is formed by the front case 111 and the rear case 112. Various electronic components are embedded in the space formed by the front case 111 and the rear case 112. At least one intermediate case may be further disposed between the front case 111 and the rear case 112. The cases may be formed by injecting a synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

In the first body 110, specifically, the front case 111, the display unit 113, the audio output unit 114, the first image input unit 115, the first operation unit 116, and the audio input unit 117 are provided. Can be arranged.

The display unit 113 includes a display module that visually expresses information, for example, a liquid crystal display (LCD) module, an organic light emitting diodes (OLED) module, a transparent OLED (TOLED) module, and the like.

The display unit 113 may further include a touch screen to enable input of information by a user's touch. In order to make a call connection, the display 113 may output numeric keys capable of touch input.

The display 113 may be formed to generate various tactile effects that a user can feel when touched. This may be implemented by a haptic module linked to the display 113. Vibration is a representative example of the haptic effect generated by the haptic module. The haptic module may be disposed in various ways according to the configuration of the mobile terminal 100 as well as the display 113.

The sound output unit 114 may be implemented in the form of a receiver or a speaker. The first image input unit 115 may be implemented in the form of a camera module for capturing an image or a video of a user. The first operation unit 116 receives a command for controlling the operation of the mobile terminal according to an embodiment of the present invention. The sound input unit 117 may be implemented in the form of a microphone. The sound input unit 117 may be disposed symmetrically with respect to the sound output unit 114 with respect to the display unit 113.

Like the first body 110, the front case 121 and the rear case 122 may form the second body 120. The second manipulation unit 123 (see FIG. 2) may be disposed on the front surface of the second body 120, specifically, the front case 121.

On one side of the second body 120, an antenna 132 for receiving a broadcast signal may be disposed in addition to an antenna for a call. The antenna 132 may be installed to be pulled out of the second body 120.

Referring to FIG. 2, when the first body 110 is slid relative to the second body 120, the second body overlapped by the first body 110 in the closed state (the state of FIG. 1) is thereby. The second manipulation unit 123 disposed on the front surface of the 120 is exposed with respect to the first body 110.

The exposed keys of the second manipulation unit 123 may be configured to receive an input related to contents output from the display 113. The second operation unit 123 may include language keys (Korean consonants and vowels / English alphabet, etc.) and numeric keys, and the language keys may be arranged to form a QWERTY arrangement. As the language keys are arranged to form a qwerty array, a user can easily write texts, notes, and e-mails in English.

If the second manipulation unit 123 is a touch screen, the icons of the function keys may be output to the exposed portions of the touch screen in a state capable of touch input. For example, if a video is output on the display 113, the function keys may be configured to receive a command for implementing a function such as pause, play, back, forward, and a playlist.

In the above description, the second operation unit 123 is disposed on the front surface of the second body 120, but the present invention is not limited thereto. For example, a second display unit interlocked with the display unit 113 may be disposed in front of the second body 120.

3 is a perspective view showing the rear side of the mobile terminal 100 of FIG. 2.

Referring to this drawing, a third manipulation unit 124, an interface 126, and the like may be disposed on a side surface parallel to (or facing) the main surface of the second body 120.

The first to third manipulation units 116, 123, and 124 may be collectively referred to as a user input portion, and may be employed in any manner as long as the user is operating in a tactile manner.

For example, the user input unit may be implemented as a dome switch or a touch screen that can receive a command or information by a user's push or touch operation, a touch pad, or a wheel that rotates keys or a jog or a joystick. It may also be implemented in a manner and the like.

In the functional aspect, the first operation unit 116 may be for inputting a command such as start, end, scroll, and the like, and the second operation unit 123 may be for inputting numbers, letters, symbols, and the like. In addition, the third manipulation unit 124 may operate as a hot-key that performs a special function such as activation of the first image input unit 115.

The interface 126 serves as a passage for allowing the mobile terminal 100 according to the present invention to exchange data with an external device. For example, the interface 126 may be wired or wirelessly, and a connection terminal for connecting to an earphone, a port for short-range communication (for example, an infrared port (IrDA port), a Bluetooth port, a wireless LAN port ( wireless Lan port), or at least one of power supply terminals for supplying power to the mobile terminal.

The interface 126 may be a card socket that accepts an external card such as a subscriber identification module (SIM) or a user identity module (UIM), a memory card for information storage, and the like.

The second body 120 is equipped with a power supply unit 127 for supplying power to the mobile terminal 100. The power supply unit 127 may be detachably coupled for charging, for example, as a rechargeable battery.

The second image input unit 128 may be further mounted on the rear case 122 of the second body 120. The second image input unit 128 may be a camera having a photographing direction substantially opposite to that of the first image input unit 115 (refer to FIG. 1) and having different pixels from the first image input unit.

For example, the first image input unit 115 has a low pixel so that the user's face is photographed and transmitted to the counterpart in case of a video call, and the second image input unit 128 immediately photographs a general subject. It is preferable to have a high pixel because it is not transmitted in many cases.

The flash 129 and the mirror unit 130 are further disposed adjacent to the second image input unit 128. The flash 129 emits light toward the subject when the subject is photographed by the second image input unit 128. The mirror unit 130 allows the user to see his / her own face or the like when photographing (self-photographing) the user by using the second image input unit 128.

The second sound output unit 131 may be further disposed on the rear case 122.

The second sound output unit 131 may implement a stereo function together with the first sound output unit 114 (refer to FIG. 1), and may be used for a call in a speakerphone mode.

In the above description, the second image input unit 128 and the like have been described as being disposed in the rear case 122. However, the present invention is not limited thereto. For example, at least one or more of the components 128 to 131 described as disposed on the rear case 122, such as the second image input unit 128, may be disposed on the first body 110, mainly the rear case 112. It is also possible to be mounted. In such a case, there is an advantage that the configuration (s) arranged in the rear case 112 in the closed state are protected by the second body 120. In addition, even if the second image input unit 128 is not separately provided, the first image input unit 115 may be rotatably configured to be able to take a photographing direction of the second image input unit 128.

Referring to this figure, in order to make the second body 120 slide when the first body 110 is slid, the first body 110 and the second body 120 refer to the slide module 360 (see FIG. 3). Connected by). The slide module 360 is formed to slide the first body 110 with respect to the second body 120 between the closed state and the open state.

As the first body 110 slides more, the exposed area of the front surface of the second body 120 becomes wider. As the exposed area becomes wider, the hardware function of the terminal may be further improved. For example, the language key and the numeric key of the second manipulation unit 123 (see FIG. 2) may be made larger.

4 is an exploded view of a mobile terminal according to an embodiment of the present invention.

Referring to the drawings, a mobile terminal according to an embodiment of the present invention includes a lower body 120, an upper body 110, a slide member 300, a printed circuit board 200, and a fastening member 400. Is done.

The mobile terminal is disposed such that the upper body 110 overlaps the lower body 120, and the upper body 110 opens the portion by an open state and a slide movement to expose a portion of the upper surface of the lower body 120. It is formed to realize the closed state.

At this time, the slide member 300 is coupled to the lower body 120 such that the upper body 110 and the lower body 120 are relatively slide-movable.

The slide member 300 is preferably made of a metal material such as stainless steel to prevent the wear that may occur during the slide movement and to have rigidity.

The printed circuit board 200 in which various electronic components are mounted is accommodated in the lower body 120, and the printed circuit board 200, the lower body 120, and the slide member 300 are fastening members 400. Is integrated by fastening.

At this time, the fastening member 400 is made of a multi-fastening structure, the first fastening portion 421 is fastened and coupled to the slide member 300 is made of a screw, is fastened and coupled to the lower body 120 2 fastening portion 422 is made of a smooth surface.

Therefore, since the first fastening force is obtained by the first fastening portion 421 and the second fastening force is obtained by the second fastening portion 422, the fastening force is improved.

Accordingly, the fastening member 400 may maintain the fastening force against the impact or the external shock generated by the slide movement of each body (110, 120).

In addition, since the fastening force is improved, even when the length of the fastening member 400 is short, it is possible to maintain the same performance, thereby making the mobile terminal slim.

On the other hand, when the slide member 300 is used as the ground of the antenna (not shown) it can prevent the poor contact of the ground area to ensure the RF performance of the antenna.

5 is a view showing a fastening member according to a first embodiment of the present invention, Figure 6 is a cross-sectional view in the AA direction of Figure 4 when the fastening member of the first embodiment is applied, Figure 6a is a projection to the slide member It is a figure which shows the case where it is not formed, and FIG. 6B is a figure which shows the case where the protrusion part was formed in the slide member.

Referring to the drawings, the fastening member according to the first embodiment of the present invention extends from one surface of the head portion 410 and the head portion 410 having a predetermined shape so as to engage the tool and coupled to the fastening object 420.

The body part 420 includes a first fastening part 421 having a screw shape and a second fastening part 422 having a smooth surface.

Referring to the drawings, the slide member 300, the lower body 120, and the printed circuit board 200 are sequentially stacked.

Through holes 310, 120a, and 210 are formed in the slide member 300, the lower body 120, and the printed circuit board 200, respectively.

At this time, the through-hole 210 of the printed circuit board 200 is preferably formed larger than the diameter of the body portion 420 of the fastening member 400.

This is to prevent damage to the printed circuit board 200 by preventing the force applied by the fastening member 400 to the printed circuit board 200 when the fastening member 400 is fastened.

The fastening member 400 is fastened to the printed circuit board 200, the lower body 120, and the slide member 300 in a state where the through holes 310, 120a, and 210 are arranged to coincide with each other.

A portion of the lower body 120 that the second fastening portion 422 of the fastening member 400 contacts is preferably made of a soft material such as synthetic resin.

When the contact portion is made of a soft material as described above, when the second fastening portion 422 is coupled to the lower body 120, interference fit is possible, thereby obtaining a greater fastening force.

A portion of the slide member 300 which the first fastening portion 421 of the fastening member 400 contacts is preferably formed as a protrusion 320.

As described above, when the portion in which the slide member 300 and the first fastening portion 421 contact each other is formed to protrude, it is possible to secure a relatively long fastening length without a great change in the thickness and weight of the slide member 300. Greater tightening force can be obtained.

7 is a view showing a fastening member according to a second embodiment of the present invention, Figure 8 is a cross-sectional view in the AA direction of Figure 4 when the binding member according to a second embodiment of the present invention, Figure 8a is a slide It is a figure which shows the case where a protrusion is not formed in a member, and FIG. 8B is a figure which shows the case where a protrusion is formed in a slide member.

Referring to the drawings, the fastening member 400 ′ according to the second embodiment of the present invention includes a head portion 410 and a body portion 420 like the fastening member 400 according to the first embodiment.

The body portion 420 may include a first fastening portion 421 having a screw shape and a second fastening portion 422 having a smooth surface, wherein the diameter of the second fastening portion 422 is the first. The stepped portion 422a is formed larger than the diameter of the fastening part 421.

Accordingly, the through hole 120a formed in the lower body 120 is also formed larger than the through hole 310 formed in the slide member 300 to correspond to the shape of the fastening member 400.

As described above, the first fastening part 421 and the second fastening part 422 are formed to have a stepped portion, thereby increasing the fastening area in the circumferential direction of the second fastening part 422 and the second fastening part 422. And the slide member 300 come into contact with each other to obtain a greater clamping force.

In addition, since the protrusion 320 is formed in the through hole 310 of the slide member 300 in addition to the fastening member 400, it is possible to obtain a greater fastening force.

In the above description, the body part of the fastening member has been described as being composed of the first fastening part and the second fastening part. However, the third fastening part may be further formed, and each fastening part may be any one of a screw or a smooth surface. It can also be provided with a stepped between.

The mobile terminal described above can be applied to not only the configuration and method of the embodiments described above but also all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments It is possible.

Claims (5)

Lower body;
An upper body disposed to overlap the lower body and configured to implement an open state exposing a portion of the upper surface of the lower body and a closed state covering the portion by a slide movement;
A slide member configured to couple the upper body and the lower body to be relatively slidably movable;
A printed circuit board accommodated in the lower body and mounted with various electronic components.
And
It includes a fastening member for fastening the printed circuit board, the lower body and the slide member to be integral,
The fastening member includes a first fastening part made of a screw and a second fastening part made of a smooth surface in contact with the lower body and in contact with the slide member. The method of claim 1,
The fastening member is a mobile terminal, characterized in that the step is formed by the diameter of the second fastening portion larger than the diameter of the first fastening portion. The method of claim 1,
The portion of the lower body that the fastening member is in contact with the mobile terminal, characterized in that made of a soft material. The method of claim 1,
The slide member is a mobile terminal, characterized in that made of a metal material. The method of claim 1,
The mobile terminal, characterized in that the hole in which the fastening member is fastened protruding from the slide member.

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