KR20030091402A - Display device of mobile phone - Google Patents

Abstract

PURPOSE: An expansion display device for a mobile communication terminal is provided to expand a display device by composing at least one or more auxiliary display devices except for the display device formed in a body. CONSTITUTION: An auxiliary display device(50a) which is independent of an LCD(14) or interworks with the LCD(14) is combined with a side of a body(10) by hinge. The auxiliary display device(50a) is folded in the LCD(14) of the body(10) by the rotation of the auxiliary display device(50a). The auxiliary display device(50a) has an auxiliary LCD(54a) and a cover(52a). The auxiliary LCD(54a) is connected to a PCB and an FPCB(Flexible PCB) of the body, and is independent of the LCD(14) of the body(10) or interworks with the LCD(14) of the body(10). The cover(52a) is combined with one side of the body(10) by hinge for supporting and protecting the auxiliary LCD(54a).

Description

Magnified display of mobile terminal {Display device of mobile phone}

The present invention relates to a mobile communication terminal, and more particularly, to enlarge the size of the LCD, which is a display device, while maintaining the size of the terminal, and to display various menus and received text messages without limitation, and the size of the displayed font. The present invention relates to an enlarged display device of a mobile communication terminal capable of solving a visual inconvenience.

Mobile communication terminals, commonly referred to as cellular phones, cellular phones, PCS phones, personal cellular phones, wireless terminals, and the like, are portable terminals that allow a person to carry and talk wirelessly. There is this.

1 is a perspective view of a bar-type mobile communication terminal, a main body 10 having a plurality of input keys 12 and an LCD 14, a case 20 and a case 20 coupled to a rear surface of the main body 10. It consists of a battery pack 30 and the antenna 40 coupled to the back of the).

Such a mobile communication terminal can view not only letters and numbers but also a face screen, a moving picture, etc. of the other party through the LCD 14.

However, in recent years, according to the advances in the manufacturing technology of mobile communication terminals and users' preferences for large screens, an LCD has been positioned on one side and a fold type having a plurality of input keys on the other side.

In particular, with the introduction of the next-generation mobile communication service IMT-2000, users can be provided with more various services from the mobile communication terminal, and a large display device is required to provide various services.

By using a mobile communication terminal, users can receive various services such as watching a video call, watching a movie, watching a movie, playing a game, and accessing the Internet, and accordingly, a larger display device is required, but a conventional mobile communication terminal requires such a request. It does not meet the requirements.

Even in the case of the mobile phone with the largest screen, the LCD is provided only at one side of the folder, thereby limiting its size.

On the other hand, there is a known dual LCD folder having a separate auxiliary display device on the outside of the folder for the status code showing the status of the receiving or mobile communication terminal, this is the current time, through the auxiliary display device when the folder is closed, It is not intended to provide a large screen, but only to display information such as the strength of received radio waves and the amount of battery remaining.

That is, the display device of the conventional mobile communication terminal is limited in displaying various menus and received text messages, and there is a visual inconvenience in view of the small font size.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a display device formed on a main body with at least one auxiliary display device, thereby expanding the display device while maintaining compact and light weight. The present invention provides an enlarged display device of a mobile communication terminal that can be conveniently provided with various services such as watching a video, watching a movie, watching a game, and connecting to the Internet.

Another object of the present invention is to provide an enlarged display device of a mobile communication terminal capable of diversifying font size and display method in receiving various services using a mobile communication terminal by expanding the display device size.

In order to achieve the above object, the present invention is a mobile communication terminal consisting of a main body, a case, and a battery pack provided with a plurality of input keys, LCD,

The side of the main body is to provide an enlarged display device of a mobile communication terminal, characterized in that the auxiliary display device to display independently or in conjunction with the LCD is hinged and folded to the display device of the main body by rotation.

In order to achieve the above object, the present invention is a mobile communication terminal consisting of a main body, a case, and a battery pack provided with a plurality of input keys, LCD,

An auxiliary display device having a slide hole formed inside the main body or the case to display independently or in association with the LCD slides within a predetermined section of the slide hole.

1 is a perspective view of a general mobile communication terminal.

2A and 2B are a perspective view and a plan view of a mobile communication terminal equipped with an enlarged display device according to a first embodiment of the present invention.

3A and 3B are a perspective view and a plan view of a mobile communication terminal equipped with an enlarged display device according to a second embodiment of the present invention.

4 is a perspective view of a mobile communication terminal equipped with an enlarged display device according to a third embodiment of the present invention.

5A and 5B are cross-sectional views of FIG. 4 when not in use and in use.

<Description of the symbols for the main parts of the drawings>

10: main body 12: input key

14: LCD20: case

30: battery pack 40: antenna

50a, 50b, 50c, 50d: auxiliary display devices 52a, 52b, 52c: cover

54a, 54b, 54c, 54d: Secondary LCD 56: Slider

60: slide hole 64a: tension spring

64b: compression spring 66: button

68: lever 70: pivot

72: locking groove 74: support rod

80: hinge axis

Hereinafter, the configuration and operation of the present invention will be described with reference to the accompanying drawings.

2A and 2B are a perspective view and a plan view of a mobile communication terminal equipped with an enlarged display device according to a first embodiment of the present invention.

According to a first embodiment, a mobile communication terminal includes a main body 10 having a plurality of input keys 12 and an LCD 14, a case 20, and a battery pack 30.

Side of the main body 10 is characterized in that the auxiliary display device 50a for displaying independently or in conjunction with the LCD 14 is hinged and folded to the LCD 14 of the main body 10 by rotation. .

The auxiliary display device 50a is connected to a PCB (not shown) and an FPCB (not shown) inside the main body 10 to display independently or in association with the LCD 14 of the main body 10. And a cover 52a hinged to one side of the main body 10 to support and protect the auxiliary LCD 54a.

The flexible printed circuit board (FPCB) is a substrate used in the form of a cable for circuit connection of an electronic component unit, and is particularly used as a circuit of a bent portion in a folder type mobile communication terminal.

In the present invention, the auxiliary display device 50a is foldably installed on the left side of the main body 10 by the hinge shaft 80 so that the auxiliary display device 50a is rotated about the hinge axis 80 and is not used. Is in contact with the LCD 14 to cover the entire LCD (14).

3A and 3B are a perspective view and a plan view of a mobile communication terminal equipped with an enlarged display device according to a second embodiment of the present invention.

In the first embodiment, one auxiliary display device 50a is hinged to one of both sides of the main body 10 to cover the LCD 14 when not in use. It is provided with two 50b and 50c and hinged to both sides of the main body 10 so that the LCD display 14 can be half and half covered by the two auxiliary display devices 50b and 50c when not in use.

That is, in the mobile communication terminal comprising a main body 10 having a plurality of input keys 12 and an LCD 14, a case 20, and a battery pack 30,

On both sides of the main body 10, auxiliary display devices 50b and 50c which display independently or in conjunction with the LCD 14 are hingedly coupled to each other and half of the main body 10 by the rotation of the LCD 14 of the main body 10. It is characterized by being folded.

The auxiliary display devices 50b and 50c are connected to PCBs (not shown) and FPCBs (not shown) inside the main body 10 to display independently or in conjunction with the LCD 14 of the main body 10. 54b and 54c and covers 52b and 52c hinged to both sides of the main body 10 to support and protect the auxiliary LCDs 54b and 54c.

The auxiliary display devices 50b and 50c are foldably installed by hinge shafts 80 on both sides of the main body 10 so that the auxiliary display devices 50b and 50c are rotated about the hinge axis 80 and are not used. A half and a half contact the LCD 14 to cover the entire LCD 14.

Therefore, the left and right widths of the auxiliary display devices 50b and 50c according to the second embodiment are 1/2 of the left and right widths of the auxiliary display device 50a according to the first embodiment.

4 is a perspective view of a mobile communication terminal equipped with an enlarged display device according to a third embodiment of the present invention.

5A and 5B are cross-sectional views of FIG. 4 when not in use and in use.

According to the third embodiment, the mobile communication terminal includes a main body 10 having a plurality of input keys 12 and an LCD 14, a case 20, and a battery pack 30.

A slide hole 60 is formed in the main body 10 or the case 20 so that the auxiliary display device 50d for displaying the display device independently or in association with the LCD 14 is a predetermined section of the slide hole 60. And slides within.

The auxiliary display device 50d is connected to a PCB (not shown) and an FPCB (not shown) inside the main body 10 to display independently or in association with the LCD 14 of the main body 10. And a slider 56 that slides in the slide hole 60 formed in the main body 10 or the case 20 and supports and protects the auxiliary LCD 54d.

A compression spring 64a is installed inside the slide hole 60 so that the auxiliary display device 50d slides outwardly from the slide hole 60 and slides inward so that the auxiliary display device 50d can easily slide outward. Install a button 66 protruding to the outside.

In detail, the auxiliary display device is provided with a locking means (not shown) so that the auxiliary display device is not separated out of the slide hole 60, and a support rod which is mounted on the slider 56 inside the slider hole 60 by a compression spring 64a. 74 is formed to extend and the support bar 74 is formed with a locking groove 72.

The upper portion of the support rod 74 is pivoted N-shaped lever 68 is coupled to the pivot 70, one end of the lever 68 is formed to fit into the locking groove 72 and the other end is projected outward so that the button 66 is do.

The lever 68, on which the button 66 is formed, is provided with a tension spring 64b so that the button 66 tries to ascend upward and one end of the lever descends about the pivot 70.

When not in use, when the auxiliary display device 50d is pushed into the slide hole 60, the compression spring 64a is compressed, and one end of the lever 68 to be lowered by the tension spring 64b is connected to the support rod 74. The auxiliary display device 50d is fixed to the lock groove 72 and does not move.

At this time, the button 66 is raised.

When the button 66 is pressed to use the auxiliary display device 50d, one end of the lever 68 coupled to the pivot 70 is lifted and exits from the locking groove 72.

As a result, the auxiliary display device 50d is elastically slid out by the compression spring 64a, which has been compressed, and no longer comes out by the locking means after being slid to some extent.

This configuration and operation are just one example for easily sliding the auxiliary display device 50d and sliding the button 66 as the present invention is not limited thereto.

In the above configuration, although the LCD 14 and the auxiliary LCDs 54a, 54b, 54c, and 54d are formed relatively smaller than the main body 10, the cover 52a, 52b, 52c, or the slider 60, This is just so indicated on the drawing, in the practical application of the present invention, the LCD and the subsidiary LCD is made almost the same size as the main body, cover or slider, so that when using the LCD and the subsidiary LCD at the same time, the characters do not break continuously It becomes visible.

When the mobile communication terminal with the enlarged display device according to the present invention as described above is not used, the cover 52a, 52b, 52c can be closed or the slider 60 can be slid inward for easy portability and the cover can be unfolded in use. Or slide the slider out to view the required content on the secondary LCD 54a, 54b, 54c, 54d.

That is, the desired contents can be viewed while viewing at least two or more LCDs of the LCD 14 and the auxiliary LCDs 54a, 54b, 54c, and 54d provided in the main body 10.

In this case, the LCD and the subsidiary LCD can be displayed in one full screen, and the displayed contents can be greatly enlarged.

Larger view is used when the screen is larger, such as when watching a movie or TV, or reading a book. The larger the screen, the less the eye fatigue for the user. Used when running at the same time.

For example, one LCD has a video call and the other LCD retrieves data.

In addition, the auxiliary LCD is provided on the cover or slider for the enlarged display device so that the cover can be folded on the main body or slide-mounted on the main body or the case so that the display device can be enlarged without increasing the size of the conventional mobile communication terminal. It can be.

Although the above embodiments have been described in detail, it is obvious to those skilled in the art that various modifications can be made without departing from the scope of the claims of the present invention.

As described above, according to the present invention, in addition to the display device of the LCD formed on the main body, at least one auxiliary display device is provided to enlarge the display device, while maintaining a small size and light weight, as well as a video call according to the introduction of IMT-2000. It can be conveniently provided with various services such as watching TV, watching movies, games, and internet access.

In addition, the size of the display device may be diversified to provide various services using the mobile communication terminal by expanding the size of the display device.

Claims (8)

In the mobile communication terminal consisting of a main body having a plurality of input keys and LCD, a case, and a battery pack, And an auxiliary display device for displaying independently or in association with the LCD is hingedly coupled to the side of the main body and folded on the LCD of the main body by rotation. The enlarged display device of claim 1, wherein one of the auxiliary display devices is hinged to one side of left and right sides of the main body to cover the entire LCD. The enlarged display device of claim 1, wherein the two auxiliary display devices are hinged to both left and right sides of the main body to cover the LCD half and a half. The auxiliary display device according to any one of claims 1 to 3, wherein the auxiliary display device includes an auxiliary LCD which displays independently or in association with an LCD of the main body, and a cover that is hinged to a side of the main body to support and protect the auxiliary LCD. An enlarged display device of a mobile communication terminal, characterized in that. In the mobile communication terminal consisting of a main body having a plurality of input keys and LCD, a case, and a battery pack, And an auxiliary display device having a slide hole formed inside the main body or the case to display independently or in association with the LCD slides within a predetermined section of the slide hole. The enlarged display device of a mobile communication terminal according to claim 5, wherein a spring is coalesced into the slide hole and the auxiliary display device is elastically slid to the outside. The display apparatus of claim 6, wherein the auxiliary display device is fixed by a locking means when the auxiliary display device slides in a certain distance, and a button is formed on the outside of the main body or the case so that the auxiliary display device is unlocked and slides out as the button is pressed. An enlarged display device of a mobile communication terminal. The display device of claim 5, wherein the auxiliary display device is configured to display an auxiliary LCD which is displayed independently or in association with an LCD of the main body, and slides in a slide hole formed in the main body or the case and supports the auxiliary LCD. An enlarged display device of a mobile communication terminal, characterized by comprising a slider to protect.