KR20080015668A - Mobile communication terminal - Google Patents

Abstract

A mobile communication terminal is provided to drive a display for a long time even in call waiting state, so that a user can express the user's own unique image through the display while using all of a front side, sides, and a rear side of the terminal as the display, thereby expanding size of the display. An electronic paper(20) is installed on at least one of a front side, a rear side, and a side, is made of a flexible material in order to be contacted with a crooked part of the installed side, and displays an image by using direction arrangement changes of particles in accordance with polarity changes of electromagnetic fields. An image storage(30) stores plural images. An image selector(40) selects at least one image being displayed on the electronic paper(20) among the stored plural images. An image converter(50) classifies the image selected from the images selector into communication state images and call standby state images, and converts an image, which is displayed on the electronic paper, according to a communication state or call standby state of a mobile terminal.

Description

Mobile communication terminal

1 is a diagram illustrating a general mobile communication terminal,

2 illustrates an example of a mobile communication terminal according to the present invention;

3 is a cross-sectional view showing an example of a cell structure for a collision charged electronic paper;

4 is an exemplary diagram of colors expressed in a cell shown in FIG. 3;

5 is a block diagram schematically showing the configuration of a mobile communication terminal according to the present invention; and

6 is a view showing another example of a mobile communication terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

10, 100: mobile communication terminal 12: display

20: electronic paper 21: lower substrate

22: lower electrode 23, 29: insulating film

24: bulkhead 25: color positive (+) charged particles

26: black negative (-) charged particles 27: the upper substrate

30: image storage unit 40: image selection unit

50: image switching unit

The present invention relates to a display of a mobile communication terminal, and more particularly, it is possible to drive low power, display an image continuously for a long time, and display a mobile communication terminal capable of displaying an image utilizing individual personalities. It is about.

Recently, with the development of digital technology and data compression technology, various electronic devices have been miniaturized, reduced in weight, and multifunctional in order to be convenient to carry. Such a trend has been applied to mobile communication terminals. Here, the mobile communication terminal is a terminal including a cellular phone, a personal digital assistant (PDA), a portable multimedia player (PMP), etc., and refers to a terminal that is portable and has a wireless communication function.

Such a mobile terminal has a display as shown in FIG. 1 to provide visual information to a user. That is, the general mobile communication terminal 10 has a display 12 on a portion of its surface, and displays a moving image and a still image image through the display 12. In particular, in accordance with the advancement of image data compression technology, precision of image display, miniaturization of digital devices, large capacity of storage media, and high speed of data transmission technology, the mobile communication terminal 10 has not only a voice communication function but also accurate representation of general images, Various additional functions such as data storage and fast transfer of data are available.

However, since the mobile communication terminal consumes much power of the display and cuts off the display power when the mobile communication terminal is not in use, the mobile terminal can usually express its own original personality through the display of the mobile communication terminal. There is a problem that can not be.

In addition, since the mobile communication terminal as shown in FIG. 1 includes a display only on a specific portion of one surface of the mobile communication terminal and its size is limited, the mobile communication terminal can be visually recognized even if the display of the image is precise. There is a limit. In particular, when a large number of letters, numbers, symbols, etc. are to be displayed on one screen, the size of the letters, numbers, symbols, etc. is inevitably reduced in proportion to the display size of the mobile communication terminal. There is a problem that the letters, numbers, symbols, etc. cannot be identified.

The present invention was devised to solve the above problems, and it is possible not only to express original personality through the display even when the mobile communication terminal is not used, but also to display the display area of the display for a small mobile communication terminal. An object of the present invention is to provide a mobile communication terminal that can be extended.

A mobile communication terminal according to the present invention for achieving the above object is a multi-sided mobile communication terminal including a front, rear, and side, which is installed on at least one of the front, rear, and side, the installation It is made of a flexible (flexible) material to be in close contact with the bending of the surface, characterized in that it comprises an electronic paper for displaying the image by using a change in the arrangement of the direction of the particles according to the change in polarity of the electromagnetic field.

Preferably, the mobile communication terminal comprises an image storage unit for storing a plurality of images; And an image selection unit for selecting at least one image to be displayed on the electronic paper among a plurality of images stored in the image storage unit.

The mobile communication terminal divides the image selected by the image selector into a communication state image and a call waiting state image, and displays an image displayed on the electronic paper according to the communication state or the communication waiting state of the mobile communication terminal. It is preferable to further include an image conversion unit for switching.

Here, the image stored in the image storage unit preferably includes a moving image.

In addition, the electronic paper is made of a plurality of screens are bonded, it is preferable to display a different image on each of the screens.

Alternatively, the electronic paper may be formed by bonding a plurality of screens, and may display the same image on each of the screens.

Alternatively, the electronic paper may be formed by bonding a plurality of screens, and may be implemented to display one image through the plurality of screens.

As a result, the mobile communication terminal according to the present invention can not only express original personality through the display even when the mobile communication terminal is not in use, but also extend the display area of the display for a small mobile communication terminal. do.

Hereinafter, a mobile communication terminal according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a view showing an embodiment of a mobile communication terminal according to the present invention. Referring to the drawings, the mobile communication terminal 100 has a multi-sided structure including a front face, a rear face, and a side face, and at least one of the front face, the rear face, and the side face has a display 20. ) Is installed. Here, although the display 20 is shown as being installed only on a part of the front face of the slide-type mobile phone, the installation form of the display 20 is not limited to that shown, and the front and side, side and rear It may also be installed over the front and rear and side surfaces. In addition, the display 20 may be installed on all four sides of the side, and the display 20 may be installed only on any one side or two or three sides of the four sides. At this time, the display 20 installed on the front, side, and rear are each implemented as one screen, each of which is bonded to each other is preferably implemented to display a different image on each screen. In addition, it is preferable that the same image is simultaneously displayed on each screen. In addition, it is preferable that each screen is implemented to display only one image through the entire display 20 formed by bonding.

In addition, the form of the mobile communication terminal 100 in which the display 20 is installed is not limited to the slide type as shown, and is a flip type, a slim type, a super slim slide type. It may be installed in various types of mobile communication terminal 100, such as a folder (folder). At this time, when the display 20 is installed on an inner surface (inner surface) of the mobile communication terminal, the mobile communication terminal 100 of the present invention includes at least one outer surface including an inner surface. It is preferable to also have a plurality of displays 20 provided with a display (front, back, or side).

Here, the display 20 is made of a flexible material so as to be in close contact with the curvature of the surface on which it is installed, and is preferably composed of electronic paper for displaying an image by using a change in arrangement of the fine particles according to a change in polarity of the electromagnetic field. Do.

Electronic paper, also known as 'e-paper', is an electronic device that allows users to feel the feeling of paper as it is, such as paper books, paper newspapers and paper magazines, and is thin with millions of fine particles scattered in oil holes. It refers to a display device that can display characters or images through a flexible substrate such as plastic. The electronic paper has the advantage of being able to reproduce and use millions of times, and the low power consumption is expected to replace the existing print media such as books, newspapers, magazines in the future.

Electronic paper is the core of flexible display (or paper) implementation, and is based on electrophoresis, which imparts kinetic properties by applying an electromagnetic field to a conductive material, and conducts conductivity between thin flexible substrates. After distributing the fine particles having the particle size, the image is represented by a change in the arrangement of the fine particles (or charged particles) due to the polarity change of the electromagnetic field.

3 is a cross-sectional view showing an example of a cell structure for a collision charged electronic paper. Referring to the drawings, the cell structure of the charging electrification type electronic paper has a driving voltage of the element on the lower substrate 21 and the upper substrate 27 and the lower substrate 21 and the upper substrate 27 formed of plastic or glass. A lower electrode 22 and an upper electrode 28 which are formed as transparent electrodes, the partition wall 24 which separates the cells from the cells by keeping the distance between the lower substrate 21 and the upper substrate 27 constant, and the color; The color positive (+) charged particles 25, the black negative charged particles 26 formed between the lower electrode 22 and the upper electrode 28, the lower electrode 22 and the upper part to express It is formed on the electrode 28 and consists of insulating films 23 and 29 for maintaining the memory effect.

Here, the colored positive charged particles are red (R) positive (+) charged particles 25a, blue (B) positive (+) charged particles 25b, and green (G) positive (+) charged particles (not shown). ) Is charged into each cell together with the black negative charged particles 26, and the cell represents black or color (R, G, B) by the applied driving voltage.

In the collision charging type electronic paper display device having such a configuration, when sufficient driving voltage is applied to the upper electrode 28 and the lower electrode 22, the charged particles charged according to the voltage polarities applied to both electrodes 22 and 28 are included. Drawn to each electrode. For example, the black charged particles 26 are negative (-), the red (R) charged particles 25a and the blue (B) charged particles 25b have positive (+) properties, and ), And when a negative voltage is applied to the lower electrode 22, the black charged particles 26 are the upper electrodes 28, and the red (R) charged particles 25a and blue (B) charged particles 25b. Is moved to the lower electrode 22 so that the cell expresses black. On the contrary, when a negative voltage is applied to the upper electrode 28 and a positive voltage is applied to the lower electrode 22, the black charged particles 26 move to the lower electrode 22, and the red (R) charged particles 25a. ) And blue (B) charged particles 25b are moved to the upper electrode 28 so that the color of each cell, that is, the left cell is red (R), and the right cell is blue (B). Will be represented.

5 is a block diagram schematically illustrating a configuration of a mobile communication terminal according to the present invention. Referring to the drawings, the mobile communication terminal 100 may include an electronic paper 20, an image storage unit 30, an image selection unit 40, and an image conversion unit 50.

The image storage unit 30 stores a plurality of still image images and / or moving image images. Such an image may be captured by an imaging unit (not shown) installed in the mobile communication terminal 100, or may be received through an e-mail. It may also be interfaced with a computer, digital camera, other mobile communication terminal, or other digital electronic device and received from the device.

The image selector 40 selects at least one image to be displayed on the electronic paper 20 among a plurality of images stored in the image storage unit 30. The image selection unit 40 is preferably implemented by a key pad (key pad) such as a numeric key, a call key, a menu selection key installed in the mobile communication terminal 100.

The image switching unit 50 divides the image selected by the image selecting unit 40 into a communication state image and a call waiting state image, and the electronic paper 20 according to the communication state or the call waiting state of the mobile communication terminal 100. Switch the image displayed on the screen. For example, if image A is a communication state image and image B is a call waiting state image, the image switching unit 50 determines whether image A and image B depend on whether the mobile communication terminal 100 is in a communication state or a call waiting state. Is switched to display on the electronic paper (20). Here, the communication state includes a state in which a user transmits and receives voice or data to and from the outside through the mobile communication terminal 100, and a state of taking a picture or listening to music through the mobile communication terminal 100. do. In addition, the call waiting state includes a state in which the mobile communication terminal 100 is not used at all. In this case, the image switching unit 50 has been described as switching only the communication state image and the call waiting state image, but is not limited thereto. That is, the communication state image and the call waiting state image may be set in plural, and the image switching unit 50 switches the communication state image or the call waiting state image on the electronic paper 20 at predetermined intervals. You can. Here, it is preferable that the division of the communication state image and the call waiting state image is set by the user through the keypad.

In addition, when the electronic paper 20 is formed by bonding a plurality of screens, the image switching unit 50 controls switching of images displayed on each screen. For example, when the electronic paper 20 is formed by bonding the screen A and the screen B, the image switching unit 50 displays the image A on the screen A, and displays the image B on the screen B. After a predetermined time has elapsed, the image switching unit 50 controls switching so that the image C is displayed on the screen A and the image D is displayed on the screen B. FIG. In this case, the same image may be displayed on each screen as described above, and different images may be displayed.

Since the electronic paper consumes low power, the amount of power consumed is extremely low even when the display is driven while the mobile communication terminal 100 is not in use. Therefore, the mobile communication terminal 100 according to the present invention can display its own image through its front, rear, and side surfaces even in a call waiting state, and as shown in FIG.

In addition, since the front, side, and rear of the mobile communication terminal can be utilized as a display, it is possible to extend the size of the display as compared to the conventional.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the specific embodiments described above, and the present invention is not limited to the specific embodiments of the present invention without departing from the spirit of the present invention as claimed in the claims. Anyone skilled in the art can make various modifications, as well as such modifications are within the scope of the claims.

In the mobile communication terminal according to the present invention, the power consumption of the electronic paper is low, so that the display can be turned on even in a call waiting state.

In addition, since the mobile communication terminal according to the present invention can drive the display for a long time even in a call waiting state, the user can express his or her own unique image through the display.

In addition, according to the present invention, since the front, side, and rear of the mobile communication terminal can be utilized as a display, it is possible to expand the size of the display.

Claims (7)

In the mobile communication terminal having a multi-sided structure including a front, rear, and side, Is installed on at least one surface of the front, rear, and side, made of a flexible (flexible) material to be in close contact with the curvature of the surface is installed, and displays the image using the change in the arrangement of the direction of the particles according to the polarity change of the electromagnetic field Mobile communication terminal comprising an electronic paper. The method of claim 1, An image storage unit for storing a plurality of images; And And a image selection unit for selecting at least one image to be displayed on the electronic paper among a plurality of images stored in the image storage unit. The method of claim 2, The image selection unit divides the image selected by the communication state image and the call standby state image, and further comprises an image switching unit for switching the image displayed on the electronic paper according to the communication state or the communication standby state of the mobile communication terminal; Mobile communication terminal, characterized in that. The method of claim 2, The image stored in the image storage unit comprises a video image mobile terminal. The method of claim 1, The electronic paper is made of a junction of a plurality of screens, characterized in that to display a different image on each of the screen. The method of claim 1, The electronic paper is composed of a plurality of screens, the mobile communication terminal, characterized in that to display the same image on each screen. The method of claim 1, The electronic paper is made of a junction of a plurality of screens, characterized in that to display one image through the plurality of screens.

Images