KR20050069783A - Mobile terminal with movable lcd - Google Patents

Abstract

The present invention relates to a mobile terminal having a movable LCD, comprising: a case having an accommodation portion open at one side thereof; A fixed LCD fixedly disposed on the surface of the case; And a movable LED that is slidably movable between a storage position accommodated in the receiving portion and arranged in parallel with the fixed LCD, and the extraction positions are drawn out along the plate surface direction of the fixed LCD. As a result, a mobile terminal having a movable LCD capable of various screen configurations and enhancing user convenience is provided.

Description

Mobile terminal with movable LCD {MOBILE TERMINAL WITH MOVABLE LCD}

The present invention relates to a mobile terminal having a movable LCD. More particularly, the present invention relates to a mobile terminal having a movable LCD which enables various screen configurations to enhance user convenience.

1 is a perspective view of a conventional mobile terminal. As shown, the mobile terminal has an upper folder 21 and a lower folder 11 rotatably coupled to each other. A main PCB (not shown) is accommodated in the lower folder 11 so as to perform various functions, and a plurality of keys 13 are formed on the upper surface of the lower folder 11 to input an operation signal from the outside. A microphone 15 is formed at one side of the key 13 to input auditory information, and a fixed hinge portion 12 is formed at one side of the key 13 to pivotally support the upper folder 21. . The camera 17 is rotatably coupled to one side of the fixed hinge portion 12.

On the other hand, the inner surface of the upper folder 21 is coupled to the main LCD 24, the outer surface is provided with a sub-LCD not shown having a smaller size than the main LCD (24). On one side of the upper folder 21, a movable hinge portion 22 is formed to be coupled to the fixed hinge portion 12 so as to be relatively rotatable, and a receiver to output auditory information on the upper side of the main LCD 24. 25 is provided.

However, in such a conventional mobile terminal, the main LCD 24 displays various user interfaces and the like, and the sub LCD has a short message, a photographic image or a simple identification that can be easily confirmed without the upper folder 21 being opened. The digital clock is displayed, but when the main LCD 24 performs a viewfinder function or a web browser function during video recording that requires a relatively large screen, the size of the main LCD 24 is increased. There is a problem that the inconvenience is not enough to follow. In addition, the main LCD 24 and the sub LCD of the conventional mobile terminal have a problem that their size and position are not suitable in the configuration of various screens.

Accordingly, an object of the present invention is to provide a mobile terminal having a movable LCD capable of various screen configurations to enhance user convenience.

According to the present invention, there is provided a case in which a receiving portion is formed in one side open therein; A fixed LCD fixedly disposed on the surface of the case; And a movable LCD which is slidably moved between a receiving position accommodated in the receiving portion and arranged in parallel with the fixed LCD, and a withdrawal position which is drawn along the plate surface direction of the fixed LCD and arranged in parallel. It is achieved by a mobile terminal having a.

Here, it is preferable to further include a sliding support for supporting the movable LCD to be pulled out.

The sliding support may include a fixed frame disposed side by side on opposite sides of the fixed LCD, a sliding rail slidingly coupled to the fixed frame so as to be able to be pulled out, and arranged side by side on both sides of the movable LCD. It is effective to include a movable frame that one side is releasably accommodated in the sliding rail to support the movable LCD.

The movable frame has a cross-sectional shape that extends downward along the thickness direction of the movable LCD and is bent to be disposed below the movable LCD, and enables the movable LCD to rise along the thickness direction when withdrawing the movable LCD. It is preferable to further include a rising means.

The movable LCD lift means is effective to include a support spring that is elastically deformed in the up and down direction below the movable LCD.

The support spring preferably comprises a compression coil spring.

It is effective that the inclined portion is inclined downward toward the fixed LCD side of the fixed LCD side edge of the movable LCD, and the guide inclined surface is formed on the movable LCD side edge of the fixed LCD so as to be interviewed with the inclined portion.

The movable LCD is preferably provided with a flexible PC ratio that can be stretched along the longitudinal direction.

The terminal body has an upper folder and a lower folder which are rotatably coupled to each other, and the fixed LCD and the movable LCD are effectively disposed in the upper folder.

It is preferable to further include a sub-LCD having a reduced size compared to the fixed LCD and the movable LCD disposed on the outer surface of the upper folder.

It is effective to further include a sensing unit for sensing the withdrawal position and the receiving position of the movable LCD, and a control unit for controlling the fixed LCD and the movable LCD based on the detection result of the sensing unit.

It is preferable to further include a mode selection unit for selecting the screen display mode of the fixed LCD and the movable LCD.

Preferably, the screen display mode includes a first screen display mode in which the fixed LCD and the movable LCD simultaneously display different screens.

The screen display mode preferably includes a second screen display mode in which the fixed LCD and the movable LCD simultaneously display the entire screen.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

Figure 2 is a perspective view of a mobile terminal having a movable LCD according to an embodiment of the present invention, Figure 3 is a view showing the storage state of the movable LCD of Figure 2, Figure 4 is a folded state of the upper folder of Figure 3 5 and 6 are views illustrating a withdrawal process of the movable LCD of FIG. 3, respectively, and FIG. 7 is a plan view illustrating a deployment state of the fixed LCD and the movable LCD of FIG. 2, and FIG. 8. 7 is an enlarged cross-sectional view taken along the line VII-VII of FIG. 7, FIG. 9 is a cross-sectional view of a drawn state of the movable LCD of FIG. 2, FIG. 10 is a cross-sectional view of a stored state of the movable LCD of FIG. 2, and FIG. 11 is of FIG. 2. A control block diagram of a mobile terminal having a movable LCD. The same reference numerals and the same components as the above-described and illustrated configurations are denoted by the same reference numerals for convenience of description, and detailed description thereof will be omitted. As shown in these figures, the mobile terminal having the present movable LCD includes a case 23 having a receiving portion 27 having one side open therein, and a fixing fixedly disposed on the surface of the case 23. A movable LCD coupled to the LCD 31 and the receiving position accommodated in the accommodating portion 27 so as to be disposed in a layer with the fixed LCD 31 and a withdrawal position drawn out to be parallel with the fixed LCD 31. It is comprised including 41.

The terminal body includes an upper folder 21 and a lower folder 11 which are rotatably coupled to each other, and the lower folder 11 includes a plurality of keys 13 and a microphone (to input various signals and information). 15) is provided.

The upper folder 21 is provided with a case 23 to form a receiving space therein, and the sub LCD 35 and the fixed LCD 31 are fixedly coupled to the outer and inner surfaces of the case 23, respectively.

On the other hand, the receiving portion 27 is formed on the rear surface of the fixed LCD 31 along the thickness direction of the case 23 so that the movable LCD 41 can be accommodated, and the upper edge and the lower edge of the fixed LCD 31. The sliding support part 51 which supports the movable LCD 41 to slide out is formed in it.

The sliding support 51 includes a fixed frame 52 arranged side by side on the upper and lower portions of the fixed LCD 31, a sliding rail 54 which is retractably accommodated in the fixed frame 52, and a sliding rail. A movable frame 55 is provided to be retractable with respect to 54.

The fixed frame 52 is formed of a tubular body having a substantially rectangular cross-sectional shape so that an accommodation space is formed therein, and the sliding rail 54 has a size reduced to be retractably accommodated in the fixed frame 52. The branches are formed in a rectangular cross-sectional shape.

The movable frame 55 includes a coupling portion 56a having a rectangular cross-sectional shape that is reduced to be retractably accommodated in the sliding rail 54 and extends in the thickness direction from the coupling portion 56a. It consists of the side wall part 56b which accommodates the movable LCD 41, and the bending part 56c bent so that it may be arrange | positioned below the movable LCD 41 from the edge part of the side wall part 56b.

On the upper and lower portions of the movable LCD 41 and one side edge thereof, a movable LCD support portion 42 is formed to support the movable LCD 41, and the movable LCD 41 and the movable LCD support 42 are fixed LCDs ( An inclined portion 43 formed to be inclined downward toward the side 31 is formed.

The lower side of the movable LCD 41 is formed to be elastically deformable along the thickness direction so that the display surface of the movable LCD 41 is kept at the same height as the display surface of the fixed LCD 31 at the withdrawal position of the movable LCD 41. A plurality of support springs 57 in the form of compression coil springs for elastically supporting the movable LCD 41 are provided, and the fixed LCD 31 has a structure that can be stretched along the longitudinal direction when the movable LCD 41 is pulled out. One side of the flexible PC 59 is connected.

The upper and lower edges of the fixed LCD 31 are provided with a fixed LCD support part 32 for supporting the fixed LCD 31, and withdraw the movable LCD 41 of the fixed LCD 31 and the fixed LCD support 32 Guide side slopes 34 inclined so as to be in surface contact with the inclined portion 43 of the movable LCD 41 are formed at the side ends so as to guide the withdrawal and storage of the movable LCD 41.

On the other hand, the control unit 61 is implemented in the form of a microcomputer with a built-in control program in the fixed LCD 31, the movable LCD 41 and the sub-LCD 35 so as to control each of the fixed LCD driver 62 ) And the movable LCD drive unit 63 and the sub LCD drive unit 64 are electrically connected to each other.

The control unit 61 includes a plurality of screen display modes (e.g., fixed LCD 31 and movable LCD 41) so that screen display functions of the fixed LCD 31, the movable LCD 41, and the sub LCD 35 can be selected. At least one of a first screen display mode in which different screens simultaneously display different screens, and a second screen display mode in which the fixed LCD 31 and the movable LCD 41 simultaneously form the same full screen. Each of the mode selection unit 65 formed to be selectable, and the sensing unit 66 for sensing the storing position in which the movable LCD 41 is accommodated in the receiving unit 27 and the withdrawal position in which the movable LCD 41 is drawn out are respectively provided. It is connected.

By such a configuration, when a relatively large screen such as a viewfinder function of a camcorder or a web browser is required, the movable frame 55 is fixed by pulling the movable frame 55 along the width direction of the upper folder 21. It is drawn out while sliding along the longitudinal direction of the frame 52. At this time, the sliding rail 54 is drawn out of the fixed frame 52 to a predetermined length to support the movable flame (55).

When the withdrawal of the movable frame 55 is completed, the movable LCD 41 is raised by the elastic force of the lower support spring 57 and the inclined portion 34 of the guide slope 34 of the fixed LCD 31 and the movable LCD 41 ( 43 are in surface contact with each other, and the display surface of the movable LCD 41 and the display surface of the fixed LCD 31 are arranged on the same plane.

On the other hand, when the movable LCD 41 is drawn out, the sensing unit 66 outputs a sensing signal, and the control unit 61 controls the fixed LCD driving unit 62 and the movable LCD driving unit in accordance with the screen display mode selected by the mode selecting unit 65. Each of 65 is controlled to output predetermined information according to the selected screen display mode.

When the movable LCD 41 is to be accommodated in the receiving portion 27, when the movable frame 55 is pushed toward the fixed LCD 31, the inclined portion 43 of the movable LCD 41 is connected to the fixed LCD 31. Along the guide inclined surface 34 is moved to the lower side of the fixed LCD 31 is accommodated in the interior of the receiving portion 27, wherein each support spring 57 is elastically deformed and compressed along the thickness direction.

In the above-described and illustrated embodiments, the case of a so-called foldable mobile terminal having an upper folder and a lower folder which are rotatably coupled to each other is an example, but the present invention is applied to a so-called bar, flip or slide type mobile terminal Of course.

As described above, according to the present invention, a fixed LCD, a case in which the fixed LCD is fixed to the surface and the receiving portion is formed on one side of the fixed LCD along the thickness direction, and the storage accommodated in the receiving portion so as to be arranged in a layer with the fixed LCD. A mobile terminal having a movable LCD that can be configured to have a variety of screens by providing a movable LCD that can be slidably moved between the position and the withdrawal position drawn out from the accommodation unit to be arranged in parallel with the fixed LCD is provided. Is provided.

1 is a perspective view of a conventional mobile terminal,

Figure 2 is a perspective view of a mobile terminal having a movable LCD according to an embodiment of the present invention,

3 is a view illustrating a storage state of the movable LCD of FIG. 2;

4 is a view showing a folded state of the upper folder of FIG.

5 and 6 are views illustrating a withdrawal process of the movable LCD of FIG. 3, respectively;

7 is a plan view for explaining a deployment state of the fixed LCD and the movable LCD of FIG.

8 is an enlarged cross-sectional view taken along the line VII-VII of FIG. 7;

9 is a cross-sectional view of the pulled-out state of the movable LCD of FIG.

10 is a cross-sectional view of the storage state of the movable LCD of FIG.

FIG. 11 is a control block diagram of a mobile terminal having a movable LCD of FIG. 2.

Explanation of symbols on the main parts of the drawings

11: lower folder 21: upper folder

23 case 27: accommodating part

31: fixed LCD 34: guide slope

41: movable LCD 43: inclined portion

51: sliding support 52: fixed frame

54: sliding rail 55: movable frame

57: support spring 59: flexible PC

61 control unit 62 fixed LCD drive unit

63: movable LCD drive unit 64: sub LCD drive unit

65: mode selector 66: detector

Claims (14)

A case having an accommodation portion open at one side thereof; A fixed LCD fixedly disposed on the surface of the case; And a movable LCD which is slidably movable between a storage position accommodated in the receiving portion and arranged in parallel with the fixed LCD, and a withdrawal position which is drawn along the plate surface direction of the fixed LCD and arranged side by side. Mobile terminal provided with. The method of claim 1, A mobile terminal having a movable LCD further comprising a sliding support for supporting the movable LCD to be able to slide out. The method of claim 2, The sliding support may include a fixed frame disposed side by side on opposite sides of the fixed LCD, a sliding rail slidingly coupled to the fixed frame so as to be able to be pulled out, and arranged side by side on both sides of the movable LCD. The mobile terminal having a movable LED, characterized in that one side is received so as to be retractable in the sliding rail to support the movable LCD. The method of claim 3, The movable frame has a cross-sectional shape that extends downward along the thickness direction of the movable LCD and is bent to be disposed below the movable LCD, and enables the movable LCD to rise along the thickness direction when withdrawing the movable LCD. A mobile terminal having a movable LED further comprising a lifting means. The method of claim 4, wherein The movable LCD lift means, a mobile terminal having a movable LED, characterized in that it comprises a support spring elastically deformed in the up and down direction below the movable LCD. The method of claim 5, The support spring is a mobile terminal having a movable LED, characterized in that it comprises a compression coil spring. The method of claim 1, The inclined portion is inclined downward toward the fixed LCD side of the fixed LCD side edge of the movable LCD, and the guide inclined surface is formed on the movable LCD side edge of the fixed LCD to be interviewed with the inclined portion. Mobile terminal with movable LCD. The method of claim 1, The movable LCD is a mobile terminal having a movable LCD, characterized in that it has a flexible PC that can be stretched along the longitudinal direction. The method of claim 1, The terminal body has an upper folder and a lower folder which are coupled to be relatively rotatable with each other, wherein the fixed LCD and the movable LCD is disposed in the upper folder mobile terminal having a movable LED. The method of claim 9, A mobile terminal having a movable LCD further comprising a sub-LCD having a reduced size compared to the fixed LCD and the movable LCD and disposed on an outer surface of the upper folder. The method according to any one of claims 1 to 10, And a sensing unit for sensing the withdrawal position and the storing position of the movable LCD, and a control unit for controlling the fixed LCD and the movable LCD based on a sensing result of the sensing unit. terminal. The method of claim 11, And a mode selection unit for selecting a screen display mode of the fixed LCD and the movable LCD. The method of claim 11, The screen display mode includes a first screen display mode in which the fixed LCD and the movable LCD simultaneously display different screens. The method of claim 11, And the screen display mode includes a second screen display mode in which the fixed LCD and the movable LCD simultaneously display the entire screen.