KR20070015259A - Liquid crystal display and portable computer having the same - Google Patents

Abstract

An LCD and a portable computer having the same are provided to use a system of a main body even without opening a first LCD module, by preparing a second LCD module for displaying data of a user on a rear surface of the first LCD module. An LCD panel comprises a first LCD module(10) and a second LCD module(110). The first LCD module includes a first backlight assembly(30) and a first LCD panel(20), which are sequentially mounted on a second cover(50). The second cover is penetrated by a predetermined spacer. A first cover(40) is coupled with the second cover, and edges the first LCD panel. The second LCD module is mounted within the predetermined space of the second cover.

Description

Liquid crystal display and portable computer having same {Liquid crystal display and portable computer having the same}

1A and 1B are perspective views of a conventional portable computer.

Figure 2 is an exploded perspective view of the first liquid crystal module according to the present invention.

Figure 3a is an exploded perspective view of a second liquid crystal module according to the present invention.

Figure 3b is a perspective view of the second liquid crystal module according to the present invention.

Figure 4a is a perspective view showing a first liquid crystal module and a second liquid crystal module according to the present invention.

Figure 4b is a cross-sectional view of the combination of the first liquid crystal module and the second liquid crystal module according to the present invention.

5A is a perspective view of a first display unit of a portable computer according to the present invention;

5B is a perspective view of a second display unit of the portable computer according to the present invention;

6 is a perspective view of a portable computer in a system off state in accordance with the present invention.

7 is a control block diagram of a portable computer in a system off state in accordance with the present invention.

<Description of the reference numerals for the main parts of the drawings>

 1: portable computer 10: first liquid crystal module

20: first liquid crystal panel portion 30: first backlight portion

40: first cover 50: second cover

60: frame portion 70: menu input key portion

80: first display unit 110: second liquid crystal module

120: second liquid crystal panel portion 130: second backlight portion

140: first protective cover 150: second protective cover

180: second display unit 200: main body

210: input unit 250: hinge

260: power supply unit 300: power switch

The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device having a dual liquid crystal panel in a case of a portable computer and a portable computer having the same.

Liquid crystal display (LCD), one of the flat panel display devices, has better visibility than cathode ray tube (CRT) and has a lower average power consumption than CRT of the same screen size. Along with plasma display panels (PDPs) and field emission displays (FEDs), they have recently been in the spotlight as next-generation display devices for mobile phone monitors, computer monitors, and televisions. In particular, a portable computer using a liquid crystal as a display screen is composed of a liquid crystal panel and a main body connected to the hinge by the liquid crystal panel, and is foldable for convenient portability.

1A and 1B are perspective views of a conventional portable computer.

As shown in FIGS. 1A and 1B, the portable computer 501 includes a liquid crystal module 510 including a liquid crystal panel (not shown) and a main body 700 connected by a hinge 750.

The liquid crystal module 510 is composed of a liquid crystal panel in which upper and lower substrates are bonded to each other with a liquid crystal interposed therebetween, a drive for driving the liquid crystal panel, a driving circuit unit having various circuit elements attached thereto, and a backlight for irradiating light from the rear side.

The liquid crystal module 510 includes a rear cover 550 and a front cover 540, and the front cover 540 is a cover having a shape surrounding the edge of the liquid crystal panel, and an area excluding the edge serves as the display unit 580. Will be

The main body 700 connected through the liquid crystal module 510 and the hinge 750 is provided with a computer circuit configuration such as a central processing unit (not shown), a memory device, and a disk drive.

The lower part of the main body 700 is provided with a power supply unit 760 for supplying power, and the input device 710 is provided on the upper part. The main body 700 may further include a pointing device.

Therefore, when the liquid crystal panel is not used, the liquid crystal module is covered to be in contact with the main body.

In this case, in order to obtain the information displayed on the liquid crystal panel of the liquid crystal module, it is inconvenient to open the covered liquid crystal module.

Therefore, since the liquid crystal module must be opened to simply obtain information on the liquid crystal panel, a great complaint is raised by users, which ultimately causes a problem of lowering the reliability of the product.

The present invention provides a liquid crystal display device having a liquid crystal module having a dual liquid crystal panel in a portable computer so that necessary information can be obtained from an externally exposed liquid crystal panel, thereby improving user convenience and a portable computer having the same. Has its purpose.

In order to achieve the above object, the liquid crystal display according to the present invention, the first backlight assembly and the first liquid crystal panel is seated on the second cover having a predetermined space formed through, and coupled to the second cover A first liquid crystal module disposed to audit the edges of the first liquid crystal panel; And a second liquid crystal module seated in the predetermined space.

The second liquid crystal module has the same components as the first liquid crystal module, and has a smaller size than the first liquid crystal module.

Wherein the second liquid crystal display module has a second display unit having a touch screen function.

A portable computer of the present invention for achieving the above object, the first liquid crystal module having a first liquid crystal panel; A second liquid crystal panel seated on a predetermined portion of a rear surface of the first liquid crystal module and having a second display portion; A main body coupled to the first liquid crystal module through white paper and capable of rotational movement, and including a main body facing the first liquid crystal panel, the main body including: a memory in which predetermined user data is stored in advance; And means for controlling the user data to be displayed on the second liquid crystal panel when the first liquid crystal module is covered by the white paper and power is not applied.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and those skilled in the art can implement many other embodiments using the teachings of the present invention. It is not limited to this.

2 is an exploded perspective view of the first liquid crystal module according to the present invention.

As shown in FIG. 2, the first liquid crystal module 10 includes a plurality of covers 40 and 50 for supporting the first backlight unit 30 and the first liquid crystal panel unit 20.

Here, the plurality of covers 40 and 50 include a first cover 40 and a second cover 50 coupled to the first cover 40. The first cover 40 is a cover having a shape surrounding the edge of the first liquid crystal panel unit 20 to provide the first display unit 80 of the first liquid crystal module 10.

The second cover 50 is provided on the rear surface of the first backlight unit 30 provided on the rear surface of the first liquid crystal module 10.

In this case, the frame part 60 is provided in a predetermined region of the second cover 50. The frame part 60 corresponds to the second liquid crystal module 110 (refer to 110 of FIG. 3A) and serves to support the second liquid crystal module (refer to 110 of FIG. 3A).

In addition, the frame unit 60 may further include a frame capable of providing a menu input key unit 70 for menu selection in the second liquid crystal module (refer to 110 of FIG. 3A).

3A and 3B are exploded perspective views of a second liquid crystal module according to the present invention, respectively, and a perspective view of a second liquid crystal module combined according to the present invention.

As shown in FIG. 3A, the second liquid crystal module 110 includes a second liquid crystal panel unit 120 and a second backlight unit 130. The second liquid crystal module 120 is characterized in that the liquid crystal module separate from the first liquid crystal module 10. Thus, a plurality of protective covers 140 and 150 are provided to protect the second liquid crystal panel unit 120 and the second backlight unit 130.

The protective cover includes a first protective cover 140 provided on the front of the second liquid crystal panel 120 and a second protective cover 150 provided on the rear. The protective cover may not include the second protective cover 150. The first protective cover 140 is a cover having an edge enclosed so that the second display unit 180 of the second liquid crystal module 110 of the second liquid crystal panel unit is provided.

The second liquid crystal module 110 has a shape corresponding to the frame portion 60 of the second cover 50. In addition, the second liquid crystal module 110 is characterized in that smaller than the first liquid crystal module 10.

As shown in FIG. 3B, the second display unit 180 of the second liquid crystal module 110 is a touch screen that senses contact of the sensing object.

In addition, the second liquid crystal module 110 may further include a menu input key unit 70 on the second cover 50 of the first liquid crystal module 10 to select the menu. The second display unit 180 may display an initial menu according to a predetermined user memory according to a user input.

The initial menu can enjoy music, e-mail, schedule, DMB broadcasting, etc. according to the user's selection. The menu display for the menu selection will be described later in detail with reference to FIG. 7.

The initial menu may be selected by the touch screen of the second liquid crystal module 110, and the menu may be selected by the menu input key unit 70 provided in the second cover 50.

4A and 4B are exploded perspective views showing a first liquid crystal module and a second liquid crystal module according to the present invention, respectively, and a sectional view of a combination of the first liquid crystal module and the second liquid crystal module according to the present invention.

As shown in FIG. 4A, the second liquid crystal module 110 is coupled to the frame part 60 of the first liquid crystal module 10. The first liquid crystal module 10 includes a first liquid crystal panel unit 20 and a first backlight unit 30. The first liquid crystal module 10 may include a first cover 40 protecting the first display unit 80 of the first liquid crystal panel unit 20 and a second cover protecting the rear surface of the first backlight unit 30. 50).

Here, the second cover 50 is provided with a frame portion 60. The frame part 60 is coupled to the second liquid crystal module 110 and fixed / supported. The frame unit 60 may further include a frame to provide the menu input unit 70.

The second liquid crystal module 110 may be provided in the frame unit 60 to provide the second display unit 180 in the second cover 50, which is a rear cover of the first liquid crystal module 10. Therefore, even if the cover of the portable computer (refer to 1 in FIG. 5A) described later is closed, the system of the portable computer (1 in FIG. 5A) can be quickly used by the second display unit 180. FIG.

As shown in FIG. 4B, the first liquid crystal module 10 includes the first liquid crystal panel unit 20 and the first backlight unit 30 on the rear surface of the first liquid crystal panel unit 20. A first cover 40; The second cover 50 is coupled to the first cover 40.

The second cover 50 includes a frame part 60, and the second liquid crystal module 110 is coupled to the frame part 60. Here, the second liquid crystal module 110 is characterized in that it is possible to quickly check the information without opening the cover of the portable computer (reference 1 of Fig. 5a) without turning on the system.

In other words, even if the system of the portable computer (see 1 in Fig. 5A) is turned off, the convenience of checking information can be enhanced.

5A and 5B are perspective views showing a first display portion of a portable computer according to the present invention, and FIG. 5B is a perspective view showing a second display portion of a portable computer according to the present invention.

As shown in FIG. 5A, the portable computer 1 includes a main body 200 and an input unit 210 on the main body 200, and a lower power supply unit 260 for supplying power. In addition, the body 200 is provided with a first liquid crystal module 10 connected by a hinge 250.

The first liquid crystal module 10 is provided with a first display unit 80 to receive power from the power supply unit 260 to display an image.

As shown in FIG. 5B, in the portable computer 1, a frame part 60 is provided on a surface of the second cover 50 so that the second liquid crystal module 110 is coupled to the frame part 60. The second liquid crystal module 110 is provided with a second display unit 180.

The second display unit 180 is provided with a menu selection window by a memory input by the user even when the power is turned off. Therefore, by opening the cover of the first liquid crystal module 10 in the power off state it is possible to quickly check the information without turning on the system.

6 is a perspective view of a portable computer in a system off state in accordance with the present invention.

As shown in FIG. 6, when the first liquid crystal module 10 is folded by the hinge 250 of the main body 200, the image of the first display unit 80 of the first liquid crystal module 10 is turned off. However, power is supplied by the power supply unit 260 provided in the lower part of the main body.

Thus, the user can view the menu by the second display unit 180 of the second liquid crystal module 100 provided on the second cover 50 surface. Accordingly, the second display unit 180 turns on the menu selection window.

In addition, a menu selection input key unit 70 is provided around the second liquid crystal module 110. By the menu input key unit 70, the user can quickly check the information even if the system is turned off without opening the cover of the liquid crystal module.

That is, the system can be turned off by closing the cover of the portable computer 1. Here, even when the system is turned off, the second display unit 180 of the second liquid crystal module 110 is provided on the second cover 50 side of the portable computer so that the memory of the portable computer 1 can be stored in the memory stored by the user's selection. It can be enjoyed by the music and DMB and the like.

7 is a control block diagram of a portable computer in a system off state in accordance with the present invention.

As shown in FIG. 7, the portable computer 1 includes a video signal output device 330 for outputting a video signal, a signal output unit for outputting a signal input from the outside, and a microcomputer by converting the output signal into an input signal. An interface unit (not shown) provided to the 310 is provided.

The user memory 350 includes predetermined user data stored therein, and reads the data stored in the user memory 350 when the power switch 300 of the portable computer 1 is turned off and displays the data on the second liquid crystal module 110. The control unit 340 is provided.

In addition, according to the user's selection, the power selection unit 360 for turning on / off the power of the second liquid crystal module 110 is provided.

The controller 340 is provided with a graphic converting unit 345 for converting the data read from the user memory 350 into a graphic signal to display the user data 350 as text, figures, and the like on the second display unit 180.

The user memory 350 may be stored by a data storage program that controls the central processing unit 320 and stores data in the hard disk in the user memory 350 while the system is normally driven.

The controller 340 reads out the corresponding data from the user memory 350 based on the signal provided when the menu is selected on the initial menu screen of the second display unit 180. Here, the user memory 350 is preferably data which does not erase data even when the system is turned off.

In addition, the power selection unit 360 of the second liquid crystal module may turn off the power of the second display unit 180 implemented to be turned on automatically as the power switch 300 is turned off. The control unit 340 controls the power supply unit 260 to turn on / off the power supplied from the power supply unit 260 to the second liquid crystal module 110 according to a selection.

Therefore, the portable computer of the present invention includes a second liquid crystal module 110 in the second cover 50, and has a portable computer (PDA) function, GPS, moving picture, music viewing, e-mail, and the like in the second liquid crystal module 110. It is possible to implement a kick view without opening the cover of 1). Therefore, PDA, GPS, video, music, e-mail and other features are added to meet the various needs of customers.

Those skilled in the art through the above description will be capable of various changes and modifications without departing from the spirit of the present invention.

As described above, the portable computer of the present invention includes a second liquid crystal module in the second cover to provide a PDA function and functions such as GPS, moving picture, music listening, and e-mail in the second liquid crystal module to open the cover of the portable computer. You can implement a kick view without having to. Therefore, PDA, GPS, video, music, e-mail and other features are added to meet the various needs of customers.

Claims (6)

The first backlight assembly and the first liquid crystal panel are seated on a second cover having a predetermined space formed therethrough, and a first cover coupled to the second cover is arranged to audit the edge of the first liquid crystal panel. A first liquid crystal module; And a second liquid crystal module seated in the predetermined space. The method of claim 1, And the second liquid crystal module has the same components as the first liquid crystal module and has a smaller size than the first liquid crystal module. The method of claim 1, And the second liquid crystal display module has a second display unit having a touch screen function. A first liquid crystal module having a first liquid crystal panel; A second liquid crystal panel seated on a predetermined portion of the rear surface of the first liquid crystal module and having a second display portion; It is fastened by the first liquid crystal module and the white paper as a medium to rotate the movement, and includes a main body facing the first liquid crystal panel, The main body, A memory in which predetermined user data is stored in advance; And means for controlling the user data to be displayed on the second liquid crystal panel while the first liquid crystal module is covered by the white paper and the power is not applied. The method of claim 4, wherein The second liquid crystal module has the same components as the first liquid crystal module and has a smaller size than the first liquid crystal module. The method of claim 4, wherein And the second liquid crystal module has a second display unit having a touch screen function.

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