KR100685069B1 - Mobile communication terminal - Google Patents

Abstract

A mobile communication terminal is provided to realize opening/closing types of both of an existing folder-type terminal and a slide-type terminal, thereby conveniently using the terminal according to various usage purposes. The first body(10) includes a guide member setting unit(12) equipped with one pair of guide grooves(13). A guide member(20) is combined with the setting unit(12) in a sliding motion ability structure. The second body(30) has an opening(33), and is equipped with a combiner(34) on one side to be combined in rotative structure from the guide member(20), then is formed in a structure of being open/closed in wide or slide opening/closing direction from the first body(10). A hinge(40) is installed on a contact surface of the combiner(34) with the guide member(20) to rotate the second body(30). A display unit is combined with the opening(33) in a rotatable structure, and is equipped with a display device for displaying video information on one side.

Description

Mobile communication terminal

1 is an exploded perspective view showing the configuration of a mobile communication terminal according to an embodiment of the present invention.

2 is a front view schematically showing an internal coupling structure of a second body constituting a mobile communication terminal according to an embodiment of the present invention.

3 is a cross-sectional view taken along line II of FIG. 2.

4 is an operating state diagram illustrating a process of automatically switching the output direction of a display unit of a mobile communication terminal according to an exemplary embodiment of the present invention.

5A is an enlarged perspective view of a portion of a mobile communication terminal according to an embodiment of the present invention, showing a state in which the second body is closed.

5B is a partially enlarged perspective view of a side of a mobile communication terminal according to an embodiment of the present invention, showing a state in which the second body is slide-opened.

5C is an enlarged perspective view of a portion of a mobile communication terminal according to an embodiment of the present invention, and shows a state in which the second body is opened in the wide direction.

6A to 6C are perspective views illustrating an opening and closing operation of a mobile communication terminal according to an embodiment of the present invention.

* Description of symbols on main parts of the drawings *

A-mobile communication terminal 10-first body

12-Guide member seating 13-Guide groove

20-guide member 21-rail part

22-Coupler 30-2nd Body

33-opening 34-coupling

40-hinge 50-display

51-Display Unit 60-Display Unit Switching Unit

61-Fixed Gear 62-Actuated Gear

63-Drive Gear 64-Holder

71-1st cable 72-2nd cable

80-Constraints 81-Rotation Restrictions

82-Slide restrictor 90-Second hinge

The present invention relates to a mobile communication terminal, and more particularly, to a mobile communication terminal that can be conveniently used according to a user's purpose by configuring to open and close both the existing folder type terminal and the slide type terminal.

Due to the rapid development of the information and telecommunications industry, mobile communication terminals such as mobile phones and PDAs are not only functions as telephones for talking with the other party, but also photo and video viewing functions, camera and camcorder functions, electronic organizers and electronic dictionary functions, and games. It is expanding in various ways.

In particular, with the rapid development of mobile technology, multimedia services such as movies, music videos, MP3s, games, etc. can be provided at any time and any place through a mobile communication terminal, which is inconvenient for users to use such services. The mechanical configuration of the mobile communication terminal is also recognized as an important matter so that there are no boxes, and accordingly, terminals having various functions and designs are being released.

The terminals have been developed from a general bar type terminal to a flip type terminal, a folder type terminal, a slide type terminal, etc. Recently, a folder type terminal and a slide type terminal have been developed. Is mainstream.

In other words, the folder-type terminal has enough free space to adopt a wide LCD screen as a display device, and is foldable in half so that portability is superior to other terminals. This is because it has a form of sliding to a certain length in the direction to open and can have a liquid crystal screen similar to a folder type terminal, and at the same time can contribute to the miniaturization of the terminal.

However, in the conventional folder type terminal and slide type terminal, the display device is fixed in the vertical direction, which makes it impossible to use the wide form or is very inconvenient.

In addition, the slide-type terminal has a problem that a lot of restrictions are used when using a variety of multimedia services due to the mechanical problem that can only adopt a single liquid crystal screen.

In addition, since these conventional terminals apply only a single opening and closing method, there is a drawback that they cannot satisfy the needs of users who change with long-term use.

Accordingly, the present invention has been made to solve the above-mentioned problems of the conventional mobile communication terminal, the object of the present invention is configured to enable both the opening and closing method of the folder type terminal and the slide type terminal, the user It is to provide a mobile communication terminal that can be conveniently used according to the purpose of use.

Another object of the present invention is to combine the display unit for displaying a variety of image information in the structure that can be rotated on the front of the second body, to use the slide type terminal and folder type terminal using only a single display device without the need for additional display device It is to provide a mobile communication terminal that enables all.

Such, the present invention includes a first body including a guide member seating portion provided with a set of guide grooves therein at one end of the front surface; A guide member coupled to the guide member seating portion of the first body in a structure capable of sliding movement; A second body having an opening having a predetermined portion open at a front surface thereof, and having a coupling portion at one side thereof so as to be coupled in a rotatable structure from the guide member; A hinge installed at a contact surface of the guide member and the engaging portion for rotating the second body; A display unit coupled to the opening of the second body in a rotatable structure and having a display device for displaying various image information on one surface thereof; Characterized in that comprises a.

In addition, the guide member is coupled to the guide groove formed in the guide member seating portion of the first body in a structure capable of sliding movement, and integrally formed on the upper end of the rail portion is coupled to the coupling portion of the second body It consists of a cylindrical coupler.

In addition, both sides of the rail portion is provided with a set of engaging projections, the guide grooves formed in the seating portion of the guide member to be coupled to the coupling projections are provided with coupling grooves respectively at the maximum point of movement of the rail portion.

In addition, the coupling member of the guide member has a first hinge groove on one surface and the insertion hole on the other surface, the coupling portion of the second body is provided with a second hinge groove at a position corresponding to the first hinge groove. And a dummy hinge at a position corresponding to the insertion hole, the first hinge is inserted into the first hinge groove and the second hinge groove, and the dummy hinge is inserted into the insertion hole, thereby rotating the second body from the first body. Combined into possible structures.

In addition, the hinge is divided into a first insertion portion having a shape that can be inserted into the first hinge groove and a second insertion portion having a shape that can be inserted into the second hinge groove, wherein the first insertion portion and the second insertion portion are the same. Combined into a structure that can be rotated individually by the rotation axis, it can be configured in a click hinge method is configured to be fixed at a predetermined angle period, or can be configured in a free-stop hinge method is configured to be fixed at any angle according to the user's choice. have.

In addition, a pair of coupling holes are provided at the inner top and bottom centers of the openings of the second body, and the display part is provided with a coupling shaft at a position corresponding to the coupling hole, thereby combining the display part from the second body in a rotatable structure.

In addition, the display unit is provided with a predetermined display unit switching device so that the output direction of the display device is switched by automatically rotating in conjunction with the wide opening and closing of the second body.

In addition, the display unit switching device is a fixed gear formed on the outer peripheral surface of the coupling member of the guide member, an operating gear fixed to the coupling shaft of the display unit, one or more power installed to engage between the fixed gear and the operating gear It consists of a transmission gear.

In addition, the fixed gear and the operating gear can adjust the rotation angle of the display unit according to the wide opening and closing of the second body by adjusting the relative size.

In addition, the operating gear and the power transmission gear are coupled in a structure capable of self-rotating inside the second body by a predetermined holder.

In addition, the inside of the rail of the guide member is provided with a cable lead-out hole penetrating downward in a structure in communication with the insertion hole of the coupler.

In addition, the upper end side coupling shaft of the display unit is provided with a cable extraction slot for the cable is connected to the inside of the display unit.

In addition, the mobile communication terminal is provided with a double operation limiting means for limiting the double opening when the slide opening and closing of the second body or the opening in the wide direction from the first body, the dual operation limiting means, the first body A first jaw formed at the outer end of the guide member seating portion of the guide member, a concave groove-shaped working groove formed at the lower end side of the guide member seating portion, and a position corresponding to the first jaw portion when the second body slides open. It consists of a second jaw portion.

In addition, the first body has a keypad for inputting a signal on the front surface, a talker for inputting a voice signal, and the second body has a receiver for outputting a voice signal on the front surface, and a signal input for a special function. A function key is provided.

The keypad may be divided into a first keypad formed for signal input of various characters or symbols, and a second keypad formed for using an electronic organizer or various multimedia services. The second keypad may be a computer. The keyboard layout may be formed in the form of a QWERTY keyboard layout.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

1 is an exploded perspective view showing the configuration of a mobile communication terminal according to an embodiment of the present invention.

As shown in FIG. 1, a mobile communication terminal A according to an exemplary embodiment of the present invention includes a guide member that is largely coupled to a first body 10 and a structure in which sliding motion is possible on a front surface of the first body 10. 20 and the second body 30 coupled to the front surface of the first body 10 in a rotatable structure from the guide member 20 and the contact surface between the guide member 20 and the second body 30. It is composed of a hinge 40 and a display unit 50 coupled to the second body 30 in a rotatable structure.

The first body 10 forms an enclosure to allow electronic devices such as a PCB to be mounted therein. A front panel includes a keypad 11 for signal input of various characters or symbols, and a voice signal is input at the bottom center. The talk part 12 is provided.

Here, the keypad 11 is utilized when using a first keypad 11a composed of 3 × 4 array of key buttons for simple data input such as a phone number of a counterpart or a short message, and an electronic notebook or various multimedia services. The second keypad 11b may be formed separately, and the second keypad 11b may be formed in a Qwerty keyboard arrangement, which is a keyboard layout of a computer keyboard.

And, the rear side is coupled to the removable structure for the battery (not shown) for power supply of the terminal.

On the other hand, at one end of the first body 10, a predetermined guide member seating portion 13 is formed in a substantially central portion. The guide member seating portion 13 has a groove shape extending in the longitudinal direction of the first body 10 and has a set of guide grooves 14 on both inner wall surfaces thereof to allow sliding of the guide member 20. .

The guide member 20 is provided so that the second body 30 can both open and close the slide from the first body 10 and open and close in the wide direction.

The guide member 20 is integrally formed with the rail part 21 coupled to the guide groove 14 formed in the guide member seating part 13 of the first body 10 and the upper end of the rail part 21. It consists of a cylindrical coupler 22. At this time, one side of the coupler 22 is provided with a first hinge groove 22a formed to a predetermined depth inward, and the other side is provided with an insertion hole 22b.

In addition, the rail portion 21 has a cable outlet hole 21a having a structure through which the inside penetrates to the lower side and communicates with the insertion hole 22b, and is electrically connected to the PCB mounted inside the first body 10. It provides a moving path of one cable (71).

In addition, a pair of engaging projections 21b are provided on both sides of the rail portion 21, and the rail portion 21 is moved in the guide groove 14 formed in the guide member seating portion 13 of the first body 10. By providing a coupling groove (14a) that is coupled to the engaging projection (22b) at each of the maximum points to be fixed, to prevent shaking or random flow in the open or closed state when the slide opening and closing of the second body (30) It has a fixed structure.

The second body 30 has a size and a shape capable of covering the front surface of the first body 10, and a sign language unit 31 for outputting voice information is provided at the center of the upper end, and the various functions of the terminal are used at the lower end. A plurality of function keys 32 are arranged in an appropriate position.

In addition, an opening 33 having a predetermined portion is opened between the hydration unit 31 and the function key 32, and a coupling hole for coupling with the display unit 50 in the center on the inner upper and lower walls of the opening 33. 33a).

In addition, one end of the second body 30 (a position corresponding to the lower end of the seating portion of the first body) has a second hinge at a position corresponding to the first hinge groove 22a of the guide member 20 on an inner wall of one side. A groove 34a is provided, and a dummy hinge 34b is provided at a position corresponding to the insertion hole 22b, and a hinge 40 is inserted and installed in the first hinge groove 22a and the second hinge groove 34a. In addition, the dummy hinge 34b is inserted into the insertion hole 22b and serves as a rotating shaft to allow the second body 30 to be opened and closed from the first body 10 in a wide direction.

The hinge 40 is inserted into the first inserting portion 41 having a shape that can be inserted into the first hinge groove 22a of the guide member 20 and the second hinge groove 34a of the second body 30. The second inserting portion 42 is formed into a possible shape divided, the first inserting portion 41 and the second inserting portion 42 is formed in a structure capable of rotating each of the same rotation axis, and has a constant cycle angle A click hinge method configured to be fixed or a free stop hinge method configured to adjust a rotation angle according to a user's selection may be applied.

Since the click hinge method configured to be fixed with such a fixed period of time and the free stop hinge method that can be fixed at various angles are already widely used in the related art, detailed description of the internal structure and operation thereof will be omitted.

The display unit 50 is coupled to the opening 33 of the second body 30 in a rotatable structure. The display unit 50 includes a display device 51 such as a liquid crystal screen or a touch screen for displaying various image information. In addition, the coupling shafts 52 are provided at positions corresponding to the coupling holes 33a provided in the openings 33 at the upper and lower centers thereof, thereby enabling rotation of the display unit 50 in the openings 33. do.

In this case, the upper coupling shaft 52 of the coupling shaft 52 is provided with a cable lead-out slot 52a communicating with the inside of the display unit 50 in a recessed shape inward in the center of the display unit 50. The second cable 72 electrically connected to the PCB mounted therein is drawn out.

On the other hand, the mobile communication terminal (A) according to an embodiment of the present invention is provided with a predetermined display unit switching device 60, the output of the display unit 50 as the second body 30 is opened in the wide direction Let the direction switch automatically.

Referring to the drawings will be described with respect to the display switching device 60 provided in the mobile communication terminal (A) according to an embodiment of the present invention.

2 is a front view schematically showing an internal coupling structure of a second body constituting a mobile communication terminal according to an embodiment of the present invention, FIG. 3 is a cross-sectional view taken along line II of FIG. 2, and FIG. FIG. 1 is a diagram illustrating an operation of automatically converting an output direction of a display unit of a mobile communication terminal according to an exemplary embodiment. Referring to FIG.

2 to 4, the mobile communication terminal A according to an embodiment of the present invention is provided with a predetermined display unit switching device 60 so that the second body 30 rotates in a wide direction to open. The generated driving force is transmitted to the display unit 50 to switch the output direction of the display unit 50.

Such, the display unit switching device 60 is an operation fixed to the fixed gear 61 is formed on the outer peripheral surface of the coupling port 22 of the guide member 20, and the lower coupling shaft 52 of the display unit 50 Gear 62 and one or more power transmission gears 63 installed to engage between the fixed gear 61 and the actuating gear 62.

Therefore, when the second body 30 performs the opening and closing operation in the wide direction, since the guide member 20 is fixedly coupled to the first body 10, the fixed gear 61 does not rotate and the fixed gear ( Only the power transmission gear 63 engaged with 61 rotates. At this time, since the power transmission gear 63 is installed to engage with the operation gear 62 fixed to the display unit 50 again, the operation gear 62 rotates and eventually the display unit 50 rotates.

In addition, by changing the nominal gear diameters of the fixed gear 61 and the operating gear 62 constituting the display switching unit 60, the rotation angle of the display unit 50 according to the opening angle of the second body 30. Can be adjusted.

That is, as shown in FIG. 3, the "B" portion of the fixed gear 61, the "C" portion of the operating gear, and the "D" portion of the power transmission gear 63 represent nominal gear diameters for the respective gears. .

Here, the power transmission gear 63 only serves to transmit the rotational force of the gear, and does not play a role of determining the rotation angle of the display unit 50, so the nominal gear of the fixed gear 61 and the operating gear 62. By adjusting the diameters (B) and (C), it is possible to variously set the rotation angle of the display unit 50 according to the opening angle of the second body 30, but the second body 30 is 150 degrees In the open state, the display unit 50 is rotated 180 degrees, so that the display unit 50 faces the second body 30 whenever the second body 30 is rotated by 30 degrees as shown in FIG. 4. It is preferable to rotate the display unit 50 by 180 degrees when the second body 30 is fully opened by 150 degrees by reference angle by 36 degrees.

In addition, the operating gear 62 and the power transmission gear 63 installed inside the second body 30 are fixedly installed inside the second body 30 by a predetermined holder 64 to shake or flow. Robust structure is installed without rotation.

In addition, although the present invention shows that the three gears are combined in parallel with the power transmission gear 63, the present invention is not limited thereto. The combination of the power transmission gear 63 in various arrangements and numbers is possible depending on the size and shape of the terminal and the internal space. Of course.

The electrical connection structure between the first body 10, the second body 20, and the display unit 50 of the mobile communication terminal A according to an embodiment of the present invention will be described below.

The first cable 71 connected to the PCB mounted inside the first body 10 may include a guide member seating portion 13, an insertion hole 22b formed in the coupling hole 22 of the guide member 20, and The dummy hinge 34b of the second body 30 is connected to the PCB mounted inside the second body 30. At this time, since the cable lead-out hole 21a is provided inside the rail portion 21 of the guide member 20 to communicate with the insertion hole 22b, the guide member 20 is drawn out through the guide member seating portion 13. The first cable 71 is drawn out into the insertion hole 22b and the dummy hinge 34b through the cable lead-out hole 21a of the guide member 20 and connected to the PCB mounted inside the second body 30. do.

In addition, the first cable 71 is connected in such a way that the length within the slide opening / closing range of the second body 30 is partially rolled, thereby not interfering with the sliding movement of the second body 30.

On the other hand, the second cable connected to the PCB mounted inside the display unit 50 is mounted in the second body through the cable extraction slot 52a provided in the upper coupling shaft 52 of the display unit 50 It is connected to the PCB.

In addition, since the display unit 50 is coupled to the second body 30 in a rotatable structure, the second cable 72 is coupled to the second cable 72 in a length such that the display unit 50 can rotate 180 degrees. By being connected to the second body while being wound around the shaft 52, it does not interfere with the rotation of the display unit 50.

Mobile communication terminal (A) according to an embodiment of the present invention is provided with a dual operation limiting means (80) for limiting the simultaneous opening of the slide and opening in the wide direction during the opening operation of the second body (30) do.

Referring to the drawings will be described with respect to the dual operation limiting means 80 provided in the mobile communication terminal (A) according to an embodiment of the present invention.

5 is a partially enlarged perspective view of a mobile communication terminal according to an embodiment of the present invention. FIG. 5A shows a state in which the second body is closed, and FIG. 5B shows a state in which the second body is slide-opened. FIG. 5C Denotes a state in which the second body is opened in the wide direction.

5A to 5C, the mobile communication terminal A according to an embodiment of the present invention arbitrarily slides open and opens in the wide direction when the second body 30 is opened or opened in the wide direction. It is provided with a double operation preventing means (80) for limiting what happens at the same time.

Such a double action preventing means 80 is the first jaw portion 81 formed at the outer end of the guide member seating portion 13 provided in the first body 10, and the lower end side of the guide member seating portion 13 It consists of an operation groove 82 formed in the shape of a recess in the groove, and the second jaw portion 83 formed at a position corresponding to the first jaw portion 81 when the second body 30 is slide-opened.

Therefore, since the first jaw portion 81 and the second jaw portion 83 remain in contact with each other and are in contact with each other when the second body 30 is in the slide-open state, the second body 30 opens in the wide direction. Is limited.

In addition, in the state in which the second body 30 is opened in the wide direction, the second jaw portion 83 of the second body 30 remains inserted into the operating groove 82 of the first body 10. The second jaw portion 83 is caught in the operation groove 82 is to limit the slide opening. At this time, the outer end of the working groove 82 of the first body 10 is rounded so as not to interfere with the rotation of the second jaw portion 83 so as to generate a gap with the second body 30.

Therefore, since the double motion limiting means 80 only allows opening in a single direction when the slide is opened or opened in the wide direction, it is possible to prevent malfunction caused by simultaneous opening of the slide and wide in the wide direction. It becomes possible.

Referring to the operational state of the mobile communication terminal (A) according to an embodiment of the present invention.

6A to 6C are perspective views illustrating an opening and closing operation of a mobile communication terminal according to an embodiment of the present invention.

First, when the user wants to make a phone call using the mobile communication terminal A according to an embodiment of the present invention, as shown in FIG. 6A, the second body 30 coupled to the front surface of the first body 10 is connected. The second body 30 is pushed up to a state as shown in FIG. 6B by applying a physical force. As such, when the second body 30 is pushed up, the guide member 20 fixed to the first body 10 by the coupling protrusion 21b and the coupling groove 14a is seated on the guide member of the first body 10. While moving along the portion 13, when it is moved to the fully open position to maintain the fixed state by the coupling protrusion 21b and the coupling groove 14a again.

As such, when the second body 30 is opened, the first keypad 11a and the talker 12 are exposed, and thus the user inputs a signal using the first keypad 11a and the function key 32. It is possible to make a telephone call using the transmitter 12 and the receiver 31.

At this time, since the second jaw portion 83 provided in the second body 30 is positioned as a portion corresponding to the first jaw portion 81 of the first body 10, the second jaw portion 83 is in contact with each other and cannot be opened in a wide direction. Done.

In addition, when the user wants to use various multimedia services such as an electronic notebook using the mobile communication terminal A according to an embodiment of the present invention, the second body ( 30) is rotated in the wide direction with respect to the hinge axis 40 to open. As described above, when the second body 30 is opened in the wide direction, one or more power transmission gears 63 mounted inside the second body 30 along the fixed gear 61 provided in the guide member 20 may be provided. The rotation force is transmitted to the operating gear 62 to automatically rotate the display unit 50.

When the second body 30 rotates in the wide direction as described above, the second keypad 11b of the first body 10 is exposed, and the display device 51 mounted on the second body 30 rotates. The output direction is switched inward.

In this state, since the output direction of the display device 51 is automatically switched and positioned at the viewing angle of the user, the user looks at the terminal at a stable angle and uses the second keypad 11b to hold an electronic notebook, a game, a movie, Functions of various multimedia services such as video can be conveniently used.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

According to the mobile communication terminal according to an embodiment of the present invention as described above, the convenience of use is improved because it can be opened and closed by using the opening and closing method of the slide type terminal or folder type terminal according to the user's purpose of use. Of course, there is an advantage that can solve the changing user's desire complaints, and also because only one display device is used to solve the problems such as product cost increase, complexity of the assembly process caused by using a plurality of display devices To be effective.

Claims (18)

A first body including a guide member seating portion provided with a set of guide grooves at one end of the front side; A guide member coupled to the guide member seating portion of the first body in a structure capable of sliding movement; The second body is formed on the front surface having an opening with a predetermined portion open, and on one side has a coupling portion to be coupled to the rotatable structure from the guide member, the second body formed of a structure capable of opening and closing in a slide direction or wide direction from the first body ; A hinge installed at a contact surface of the guide member and the engaging portion for rotating the second body; A display unit coupled to the opening of the second body in a rotatable structure and having a display device for displaying various image information on one surface thereof; Mobile communication terminal, characterized in that comprising a. The method of claim 1, The guide member, A rail unit coupled to the guide groove formed in the guide member seating portion of the first body in a structure capable of sliding movement; A mobile communication terminal, characterized in that formed in the upper end of the rail unit is composed of a cylindrical coupling sphere coupled to the coupling portion of the second body. The method of claim 2, Both sides of the rail unit is provided with a set of engaging projections, Mobile guide terminal, characterized in that the guide grooves formed in the seating portion of the guide member to be coupled to the coupling protrusion to be fixed to each of the maximum movement point of the rail portion. The method of claim 2, One side of the coupling member of the guide member is provided with a first hinge groove, the other side has an insertion hole, The coupling portion of the second body is provided with a second hinge groove at a position corresponding to the first hinge groove, and a dummy hinge at a position corresponding to the insertion hole, A first hinge is inserted into the first hinge groove and the second hinge groove, and a dummy hinge is inserted into the insertion hole, whereby the second body is coupled to the rotatable structure from the first body. The method of claim 4, wherein The hinge is The first insertion part is formed into a shape that can be inserted into the first hinge groove and the second insertion part is formed into a shape that can be inserted into the second hinge groove, and the first insertion portion and the second insertion portion are each rotated by the same rotation axis. The mobile communication terminal is coupled in a possible structure, characterized in that configured in a click hinge method configured to be fixed at a predetermined angle period. The method of claim 4, wherein The hinge is The first insertion part is formed into a shape that can be inserted into the first hinge groove and the second insertion part is formed into a shape that can be inserted into the second hinge groove, and the first insertion portion and the second insertion portion are each rotated by the same rotation axis. The mobile communication terminal is coupled in a possible structure, characterized in that configured in a free-stop hinge method configured to be fixed at any angle according to the user's selection. The method of claim 2, A pair of coupling holes are provided at the inner top and bottom of the opening of the second body, The display unit is provided with a coupling shaft at a position corresponding to the coupling hole is a mobile communication terminal, characterized in that coupled to the rotatable structure from the second body. The method of claim 7, wherein The display unit, And a predetermined display unit switching device for switching the output direction of the display device by automatically rotating in association with wide opening and closing of the second body. The method of claim 8, The display unit switching device, A fixed gear formed on an outer circumferential surface of the coupling member of the guide member; An operating gear fixedly coupled to the coupling shaft of the display unit; A mobile communication terminal comprising at least one power transmission gear is installed to engage between the fixed gear and the operating gear. The method of claim 9, The fixed gear and the operating gear is a mobile communication terminal, characterized in that the rotation angle of the display unit according to the wide opening and closing of the second body is adjusted by adjusting the relative size. The method of claim 9, The operation gear and the power transmission gear is a mobile communication terminal, characterized in that coupled to the structure capable of self-rotation inside the second body by a predetermined holder. The method of claim 4, wherein In the rail portion of the guide member, Mobile communication terminal, characterized in that the cable outlet penetrates to the lower side in a structure in communication with the insertion hole of the coupler. The method of claim 7, wherein On the upper side coupling shaft of the display unit, Mobile communication terminal, characterized in that the cable withdrawal slot is provided for the cable connected to the inside of the display unit is drawn out. The method of claim 1, The mobile communication terminal is provided with a dual operation limiting means for restricting the opening of the second body from the first body to open or close in the slide or open in the wide direction. The method of claim 14, The dual operation limiting means, A first jaw portion formed at the outer end of the guide member seating portion of the first body, An actuating groove having a concave groove formed on the lower side of the guide member seating portion, And a second jaw formed at a position corresponding to the first jaw when the second body is slid open. The method of claim 1, The first body has a keypad for signal input on the front and a talker for inputting a voice signal, The second body is a mobile communication terminal characterized in that it is provided with a receiver for outputting a voice signal on the front, and a function key for signal input of a special function. The method of claim 16, The keypad is, A first keypad formed for signal input of various characters or symbols, Mobile communication terminal, characterized in that formed by separating the second keypad formed to use the electronic organizer or various multimedia services. The method of claim 17, The second keypad, A mobile communication terminal characterized in that it is formed in the form of a keyboard layout (QWERTY) keyboard layout.

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