KR20050033080A - A mobile telephone with a detachable display panel - Google Patents

Abstract

A mobile phone with a detachable display panel is provided to arrange interfacing ports in horizontal and vertical sides of the detachable display panel in order to enable the detachable display panel to couple with the mobile phone in a horizontal or a vertical direction corresponding to a picture configuration ratio of length to width of a content. A mobile phone with a detachable display panel comprises a key pad terminal(100) and a display panel(200). The key pad terminal comprises an embedded driver playing a moving picture data or a still picture data and a first interfacing port(140) arranged in a portion of the key pad terminal. The display panel, of a rectangular form and configured separately from the key pad terminal, comprises a second interfacing port(210) and a third interfacing port(215). The second interfacing port is capable of coupling with the first interfacing port electrically. The third interfacing port is capable of coupling with the first interfacing port electrically. The first interfacing port couples with the second interfacing port or the third interfacing port according to a user's selection.

Description

Mobile phone with a detachable display panel {A Mobile Telephone With A Detachable Display Panel}

The present invention relates to a mobile phone, and more particularly, an interface terminal is provided at both a longitudinal side and a width side of a rectangular display panel to enable an optimal screen output corresponding to a screen composition ratio of a multimedia content. Since the mounting position can be changed and connected, the present invention relates to a mobile phone having a detachable display panel capable of selecting and viewing a long screen in a horizontal direction or a long screen in a vertical direction.

As mobile phones (or mobile phones) are equipped with the ability to play / output multimedia contents such as videos, movies, games, and music, the mobile phones overcome the dimension of bilateral or multilateral voice communication, thereby reproducing multimedia contents. As the spotlight.

In addition, it is possible to wirelessly connect to the Internet for acquiring a variety of information, so that the data produced in the picture or video can be transmitted from the other party, and the mobile phone on the receiving side can reproduce / output it.

By the way, in particular, although the continuous screen output such as a video is possible, the conventional mobile phone has a problem that it is difficult to clearly view the video screen because the display panel is fixed and its size is small.

In addition, a multimedia content such as a movie has a wide screen configuration method of generally making the aspect ratio of 4: 3 or 16: 9, such as making the horizontal direction longer than the vertical direction. In addition, since the screen configuration method tends to replace the screen configuration method of general broadcast media, there is a problem in that it is not compatible with the display panel of the conventional mobile phone in terms of the screen configuration.

This problem is caused by the fact that the mobile phone does not have a structure for changing the position of the display panel and playing / outputting content according to the position thereof. Despite the reinforcement of the play / output function of various contents such as the area is partially wasted, there is a limit in not showing an optimized screen configuration.

Accordingly, the present invention has been made in view of the above-described conventional problems, and a first object of the present invention is to construct a display panel in a detachable manner and to respond to a horizontal / vertical aspect ratio of a content in the longitudinal direction or the width direction of the display panel. It is to provide a mobile phone having a detachable display panel in which an interface terminal is disposed on the longitudinal or widthwise side such that a side portion is mounted on an upper portion of the keypad terminal.

A second object of the present invention is a standard capable of converting the multimedia content data into a standard input / output signal corresponding to play / output multimedia content through an external A / V player such as a TV or a VTR. It is to provide a mobile phone having a detachable display panel equipped with a conversion module.

Such objects of the present invention, in a mobile phone,

A keypad terminal 100 having a driver 120 for reproducing moving image or still image data and having a first interface terminal 140 capable of outputting the data; And

A second interface terminal 210 which is configured separately from the keypad terminal 100 and electrically connected to the first interface terminal 140 on one surface thereof, and which is electrically connected to the first interface terminal 140 on the other surface thereof. Rectangular display panel 200 having three interface terminals 215,

It is achieved by a mobile phone having a detachable display panel, characterized in that the first interface terminal 140 can be coupled to the second or third interface terminals 210, 215 at the user's option.

Here, the second interface terminal 210 is provided on the short side of the rectangular display panel 200,

The third interface terminal 215 is preferably provided on the long side of the rectangular display panel 200, and vice versa.

The length ratio of the long side and the short side of the display panel 200 may be, for example, 16: 9 or 4: 3 or other length ratios.

The keypad terminal 100,

A standard conversion module 130 for converting the reproduced moving picture or still picture data into a TV picture signal; And

It is more preferable to further include a video output terminal 150 provided on one side of the keypad terminal 100, and electrically connected to the output side of the standard conversion module 130.

The keypad terminal 100 further includes: identification means for identifying which of the second or third interface terminals 210 and 215 is connected to the first interface terminal 140; And

It is most preferable to further include switching means for switching the display of the display panel 200 by 90 ° according to the identification result of the identification means.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings.

Hereinafter, a mobile phone having a detachable display panel according to the present invention will be described in detail with the accompanying drawings.

1 is an exploded perspective view of a mobile phone having a detachable display panel according to the present invention coupled in a first coupled state, FIG. 2 is a block diagram showing an operating state of the mobile phone of FIG. 1, and FIG. Is a separate perspective view when the cellular phone having the detachable display panel according to the present invention is coupled in a second engagement state. 1, 2 and 3, the mobile phone according to the present invention is roughly composed of a keypad terminal 100 and a display panel 200.

For example, the keypad terminal 100 includes a function of a conventional mobile phone, a CDMA method, an internet connection, and a wireless data communication module. A keypad 10 is installed at a front side thereof, and an antenna 160 is installed at a side thereof. On the back, a power source (or battery) 50 is detachably attached.

The keypad 110 is composed of up, down, left, and right arrow keys 110a, numeric keys 110b up to 1-0, function keys 110c such as “menu”, “confirmation”, “cancel”, and the like. The display driver 120 and the standard conversion module 130 included in the terminal 100 are embedded.

The first interface terminal 140 is installed to protrude on the upper surface of the keypad terminal 100 with reference to FIG. As the first interface terminal 140, a power terminal, a VGA signal terminal, and other control terminals for driving the display panel 200 to be described later are constantly arranged. The specific shape of the first interface terminal 140 may be any, and may be selected from signal sockets defined by the KS standard or connectors known to those skilled in the art.

Since at least some of the first interface terminals 140 are connected to the output side of the display driver 120, the VGA signal output by the driver 120 may be output to an external device (the external device in the present invention may be the display panel 200). IM) has a configuration to deliver.

The display panel 200 may be manufactured separately from the keypad terminal 100 and completely separated. Specific examples of such a display panel 200 include a TFT-LCD or LCD or an organic EL display device, a PDP display device, and the like. The panel 200 has a substantially rectangular shape, and the ratio of the length on the long side to the length on the short side can be 4: 3 or 16: 9.

The second interface terminal 210 is provided on the short side of the display panel 200, and the third interface terminal 215 is provided on the long side of the display panel 200. The second and third interface terminals 210 and 215 are mechanically identical in shape, but have a difference capable of generating signals that can be electrically mutually identified. The other VGA signal is output from the driver 120. That is, except for the above-described differences, the second and third interface terminals 210 and 215 are configured to implement the same function, and are respectively configured to be combined with the first interface terminal 140 to allow data transmission. .

The display driver 120 shown in FIG. 2 is a built-in module of the keypad terminal 100. The display driver 120 displays a character of an input key, plays an image, displays various control states, displays a menu, displays a mobile phone state, and configures an environment. It is configured to generate and output a VGA signal generated for a typical display device such as the size, brightness, sharpness, and color of a playback screen.

In particular, the power is supplied to the power source 50 composed of the secondary battery, and the part is used in the keypad terminal 100 and the part is configured to transmit to the display panel 200 through the first interface terminal 140.

Hereinafter, a method of operating the mobile phone of the present invention by the configuration described with reference to FIGS. 1, 2, and 3 will be described.

First, the user combines the keypad terminal 100 and the display panel 200 in the first combined state shown in FIG. 1 for movie, music video, TV viewing, and the like. That is, the first interface terminal 140 is connected to the third interface terminal 215. Then, as shown in Figure 1, the long side of the display panel 200 is placed in the horizontal direction, the short side is placed in the vertical direction. That is, a 4: 3 or 16: 9 screen can be implemented at the maximum size. In this first combined state, the user can watch a movie, a music video, a TV, a game, etc. full of screens.

If you want to perform text-oriented input, output, storage, retrieval, etc., such as the creation and transmission of text messages, normal phone calls, phonebook search or input, time checking, and schedule management, as shown in FIG. Join the mobile phone in the second engagement state. That is, the first interface terminal 140 is removed from the third interface terminal 215 and inserted into and connected to the second interface terminal 210.

At this time, at least one side or both sides of the display panel 200 and the keypad terminal 100 generates a control signal for identifying the first and second coupling states, so that the display driver 120 has a VGA in the first coupling state. Whether to output a signal (ie, a signal for a wide screen) or a VGA signal in a second combined state (ie, a signal for a screen rotated to a narrow screen).

The determination of the combined state can be configured to be made according to the value of the flag. That is, the specific terminal of the second interface terminal 210 always outputs the data value of "1", and the terminal of the same position among the third interface terminals 215 always outputs the data value of "0". In this case, the driver 120 or the CPU (not shown) detects this and identifies the coupling state. According to the identification result, the switching means switches the display of the display panel 200 by 90 degrees.

If the user wants to stop using the mobile phone and carry it in the pocket, the keypad terminal 100 and the display panel 200 are separated and stored in the maximum overlap. To this end, a predetermined coupling means (for example, permanent magnets and metal pieces, elastic means and hinge means, etc.) may be provided.

4 is a perspective view illustrating a state in which a keypad terminal of the present invention is connected to a TV, and FIG. 5 is a block diagram illustrating an operating state of the keypad terminal of FIG. 4. 4 and 5, the keypad terminal 100 is connected to an external device such as a TV 300, a projector (not shown), a monitor (not shown), and the like, and converts a VGA signal into a TV video signal. Standard conversion module 130 that can be output is mounted.

To this end, one side of the keypad terminal 100 is provided with a video output terminal (or TV connection terminal) 150. The video output terminal 150 is connected to the output side of the standard conversion module 130. Therefore, the user may connect the TV 300 and the keypad terminal 100 through the connection line 30 or the like. In this case, the display driver 120 outputs a VGA signal corresponding to the first coupling state, and the standard conversion module 130 converts the signal into a TV video signal (for example, an NTSC method).

Although the structure in which the second and third interface terminals 210 and 215 are disposed on the two sides of the display panel 200 has been described, the second interface terminal 210 may be provided only on one side of each side of the display panel 200. The first and second terminal terminals 140 are disposed on the upper and side portions of the keypad terminal 100 so that the structure of the display panel 200 may be changed and connected.

The display panel 200 and the keypad terminal 100 according to the present invention may be sold together or sold separately under the condition that the terminals are compatible. Therefore, the performance of each device can be upgraded separately.

According to the mobile phone having a detachable display panel according to the present invention as described above, the multimedia content that can be implemented in the mobile phone, for example, movies, music videos, TV viewing, games, etc. can be viewed in a maximized screen configuration There is this.

In addition, even if the keypad terminals of different models standardize the interface, there is an advantage of providing compatibility to share the display panel.

In addition, by using a removable display panel, when replacing the phone with improved functionality, only the keypad terminal need to be replaced, the display panel can be used as it is, there is an additional resource saving effect. In addition, there is an effect that an external display device (for example, a monitor, a TV, a projector, etc.) can be used as a display device of a mobile phone.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

1 is an exploded perspective view of a mobile phone having a detachable display panel according to the present invention coupled in a first coupled state,

Figure 2 is a block diagram showing the operating state of the mobile phone of Figure 1,

3 is an exploded perspective view of a mobile phone having a detachable display panel according to the present invention coupled in a second coupled state,

4 is a perspective view illustrating a state in which a keypad terminal of the present invention is connected to a TV;

5 is a block diagram illustrating an operating state of the keypad terminal of FIG. 4.

<Description of the code | symbol about the principal part of drawing>

30: connecting line, 50: power,

100: keypad terminal, 110: keypad,

110a: arrow keys, 110b: numeric keys,

110c: function key, 120: driver,

130: standard conversion module, 140: first interface terminal,

150: video output terminal, 160: antenna,

200: display panel, 210: second interface terminal,

215: third interface terminal, 300: TV.

Claims (5)

A mobile phone, comprising: a keypad terminal 100 having a driver 120 for reproducing moving image or still image data and having a first interface terminal 140 capable of outputting the data; And A second interface terminal 210 is formed separately from the keypad terminal 100 and electrically connected to the first interface terminal 140 on one surface thereof, and electrically connected to the first interface terminal 140 on the other surface thereof. By having a possible third interface terminal 215 and displaying based on the signal input from them, the rectangular display panel 200; A mobile phone having a detachable display panel, characterized in that the first interface terminal (140) can be coupled to the second or third interface terminals (210, 215) according to the user's choice. The method of claim 1, wherein the second interface terminal 210 is provided on the short side of the rectangular display panel 200, The third interface terminal (215) is a mobile phone having a detachable display panel, characterized in that provided on the long side of the rectangular display panel (200). 3. The cellular phone according to claim 1 or 2, wherein the length ratio of the long side and the short side of the display panel (200) is 16: 9 or 4: 3. The method of claim 1 or 2, wherein the keypad terminal 100, A standard conversion module 130 for converting the reproduced moving picture or still picture data into a TV picture signal; And A mobile phone having a detachable display panel further comprising a video output terminal 150 provided at one side of the keypad terminal 100 and electrically connected to an output side of the standard conversion module 130. The method of claim 1 or 2, wherein the keypad terminal 100, Identification means for identifying which of the second or third interface terminals (210, 215) is connected to the first interface terminal (140); And And a switching means for switching a display of the display panel 200 by 90 ° according to the identification result of the identification means.