KR20020012880A - Folder type portable flat display device - Google Patents

Abstract

PURPOSE: A foldaway portable flat display panel is provided to realize one large screen by unfolding an auxiliary panel, thereby proving various information and an expanded screen. CONSTITUTION: A folder-type portable telephone is formed with a display panel and a body part. The body part includes a function input part(32a) forming various keys, a battery(32b) supplying power, and a driving circuit board. The display panel is formed with a front display part(302) in contact with the body part when being folded, and a rear display part(304) can be seen outside after being folded. The first display part(302a) is installed at the front display part(302) and the second display part(304a) is installed at the rear display part(304), so that both display parts are unfolded at 180 degrees. A side cover(16) is installed at an upper end of a side surface part where a connecting element(12) is inserted into, so that the side cover(16) prevents alien substances from being attached to a contact part(303) of the first display part(302a).

Description

Folder type portable flat display device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable multi-display device, and more particularly, to a portable flat panel display that can enlarge a screen size by installing an auxiliary flat panel display adjacent to a portable multi-display device employing a flat panel display.

A flat panel display is a display having a flat screen surface, which replaces a conventional conventional cathode ray tube with a rounded protruding screen surface. The flat panel display is also widely used for industrial large screens and home TVs. However, with the development of information and communication technology, the flat panel display is recently used as a display device for portable electronic products, and the demand thereof is rapidly increasing.

The portable electronic products are difficult to apply the cathode ray tube due to the essential requirement that the user should be light and simple for the convenience of the user, mainly in the form of a thin plate such as a liquid crystal display (LCD), an organic light emitting display (ELD), a plasma display panel (PDP) Use a flat panel display that is easy to mount.

Hereinafter, a portable flat panel display refers to a portable electronic product that implements a screen by installing a flat panel display device such as a portable telephone, a laptop computer (laptop computer), a PDA, a portable TV, and an electronic notebook.

As described above, the portable flat panel display has been reduced in appearance and development form, and the flat panel display installed in the portable flat panel display is also limited in size. In order to solve the size problem of the flat panel display, the following methods have been attempted.

For example, in the case of a portable telephone, a folder type portable telephone composed of a front panel and a rear panel, in which a separate flat panel display is installed on the outside of one panel so that a user can check information even when the two panels are not expanded. Is presented.

However, such a mobile phone is equipped with two fixed displays and it is hard to say that the display screen is enlarged in a strict sense.

As a model for enlarging the display screen as described above, Korean Patent Application No. 96-41375 proposes a flat panel display device that can be reduced in size while being able to drive large screens and multi-drives. It is in close contact with the screen.

However, since the conventional folding portable flat panel display is configured to hide the display inside after folding, the screen information cannot be viewed in the folded state, and the display is installed on the outside even after folding like some folding portable phones. There is a problem that does not become a big screen in a strict sense because it is implemented separately from the display after being expanded to operate independently from the internal display.

The present invention is a new invention proposed to solve the above problems of the prior art, it is configured to fold through the connecting means to the flat panel display installed on the outer surface in the state in which the two panels folded and when the two panels unfold the display is in close contact with one large screen It is an object of the present invention to provide a portable flat panel display that can be implemented.

In the foldable portable flat panel display of the present invention to achieve the above object in the foldable portable flat panel display including a display panel with a flat panel display for displaying the screen and a function unit and a body unit containing a battery,

The display panel may include a front panel provided with a first display, a rear panel provided with a second display, a connecting means interposed to fold the front panel and a rear panel, and an upper side of the side part provided with the connecting means. It consists of a configuration including a side cover to protect.

The folding portable flat panel display having the above-described configuration is provided with an auxiliary panel having a display in addition to the main panel on which the display is formed, and the main panel and the auxiliary panel are foldable by the connecting means, which are unfolded and then become a large screen. A lot of information and images can be realized.

1 is a perspective view showing a folded state of a flip-type portable telephone of the foldable portable flat panel display of the present invention.

2 is a view showing the back of the flip type portable telephone.

FIG. 3 is a perspective view illustrating an extended state of a rear display unit of the flip type portable telephone. FIG.

Figure 4 is an exploded perspective view showing the connecting means of the display unit according to the present invention.

5 is a perspective view showing a folded state of the folding portable telephone of the folding portable flat panel display of the present invention.

Fig. 6 is a perspective view showing an unfolded state of the folding portable telephone.

7 to 9 are perspective views showing an expanded state and a folded state of the PDA of the foldable portable flat panel display of the present invention.

** Description of symbols for the main parts of the drawing **

2: display portion 4: body portion

6: function input unit 10: battery

12: connecting means 16: side cover

20: front display 22: first display

200: rear display unit 202: second display

The structure of this invention is demonstrated in detail, referring an accompanying drawing.

Example 1

1 is a perspective view showing a flip type portable telephone in an unfolded state as a preferred embodiment of a portable multi-display device according to the present invention, and FIG. 2 shows a state in which the rear display of the portable telephone is folded and a side cover is lifted up. Perspective view.

Referring to the drawings, the portable telephone can be largely divided into a display unit 2 and a body unit 4, and the display unit 2 is provided with a flat panel display on the front and rear. In addition, the body is provided with a function input unit 6 having various keys, a flip 8 for protecting the function input unit 6, and a battery 10 for supplying power, and a driving circuit board (not shown) inside. It is built.

The display unit 2 is composed of two parts, the front display unit 20 and the rear display unit 200. The first display unit 22 is installed on the front display unit 20, and the second display unit is mounted on the rear display unit 200. The display 202 is installed. The front display unit 20 and the rear display unit 200 are hinged by the connecting means 12 interposed on the side of the display unit 2 so as to be folded or unfolded in a state of 180 °.

As shown in FIG. 2, the first display 22 is formed to be biased to the side edge where the connecting means 12 is interposed. The second display 202 installed on the rear display unit 200 is formed up to a portion except for the rotation shaft interposed with the connecting unit 12, thereby extending the front display unit 20 and the rear display unit 200 to display respective displays ( 22) The close contact portion 24 of the 202 is brought into close contact with each other to form a single screen.

Instead of the above-described embodiment, the display may be formed to the side edges of the front display unit and the rear display unit, which may be in contact with each other, thereby forming a single screen by naturally contacting the close contact unit by the hinge coupling.

The side cover 16 is installed at the upper end of the side portion 14 with the connecting means 12 by hinge coupling. When the side cover 16 is stored without operating the portable telephone, one side of the first display 22 or the second display 202 is opened to attach dust or other foreign matter to the side of the first display 22. It is a means for preventing the screen from becoming bad.

The second display 202 installed on the rear display unit 200 is preferably formed to have the same size as the first display 22 on the front side, but may be appropriately changed to suit the purpose.

3 is a perspective view showing the side cover 16 of the portable telephone.

As shown in FIG. 2, when the rear display unit 200 is folded after the side cover 16 is opened, the side contact portion 24 of the display 22 is exposed. In order to prevent this, the side cover 16 is provided, which promotes safety of the displays 22 and 202 and eliminates the occurrence of defects on the screen due to foreign matter attachment.

Hereinafter, the connecting means 12 connecting the front display unit 20 and the rear display unit 200 will be described with reference to FIG. 4.

The connecting means 12 allows the first cam 3 to be inserted into and fixed to the housing 200a of the rear display unit 200, and the can 5 is coupled to and fixed to the outside of the first cam 3. Include as much of the configuration as possible. At this time, the can 5 is fixed because the hole 5a engages with the protrusion 3a protruding from the outer circumference of the first cam 3, and the can 5 is fitted into the housing 20a of the front display unit 20 to be rotatably installed. . Since the can 5 is burnt through the spring 7, a second cam 9 that is pressurized toward the first cam 3 is provided. The second cam 9 is rotatable in contact with the first cam 3, and the fixing bar 9a extending to the opposite side passes through the center hole 5b of the can 3 so that the front display unit ( It is fixed by being inserted into the groove (not shown) of the housing 20ab of 20.

The first display unit 22 and the second display unit 202 connected as described above are rotated by the mutual rotation of the first cam 3 fixed to the housing 200a and the second cam 9 fixed to the housing 20a. It can be folded or unfolded and held and fixed by the elastic force of the spring 7 in that state.

In such a case, the first display 22 and the second display 202 may attach the protective film 13 to the screen and the folded contact portions 24 and 204 to prevent damage during folding. . The protective film 13 is produced to a thickness of 0.5 mm or less using a resin or a metal material.

The first display 22 and the second display 202 when the front display unit 20 and the rear display unit 200 are foldable to extend the rear display unit 200 by interposing the connection means 12 described above. Is closely contacted to form a large screen to provide a variety of information and a large amount of information, and when viewing the screen screen, such as TV screen size is enlarged and can be conveniently viewed.

Example 2

5 and 6 illustrate a perspective view of a folding and unfolding state of a foldable portable telephone in a portable flat panel display device related to the present invention.

Referring to the drawings, the folding type portable telephone according to the present invention comprises a display panel 30 and a body portion 32, and the body portion 32 has a function input unit 32a having various keys and a battery for supplying power. 32b is provided, and a drive circuit board (not shown) is incorporated therein.

The display panel 30 is composed of a front display unit 302 which is in contact with the body 32 when folded, and a rear display unit 304 which is visible from the outside even after being folded. The first display 302a is installed in the 302 and the second display unit 304a is installed in the rear display unit 304 so as to be extended by 180 ° by the connecting means 12 described in the first embodiment.

In the display panel 30, a side cover 16 may be installed at an upper end of the side portion having the connecting means 12 interposed therebetween to engage the hinge 16a. The side cover 16 is exposed to the close contact portion 303 of the first display 302a in the front display unit 302 when the front display unit 302 and the rear display unit 304 is folded as in the first embodiment It is installed to prevent foreign matter from adhering.

The front display unit 302 and the rear display unit 304 allow the built-in central processing unit to operate on the same screen. That is, when outputting a character, the information moved or retrieved to the left end of the first line of the second display 304a without moving the cursor from the right end of the first line of the first display 302a to the first display ( From 302a to the second display 304a in succession.

By doing so, the information displayed on the conventional single screen is enlarged to about twice or more screens, and the amount of information that can be displayed also increases.

It is also possible to drive the first display 302a and the second display 304a separately. For example, securities information is displayed on the first display 302a, and the second display 304a is divided into separate screens such as internet chatting to enable multitasking. It is advantageous in TV or graphic output because it is enlarged in implementing color images.

Example 3

7, 8, and 9 illustrate a portable terminal called a PDA in the portable flat panel display of the present invention.

The PDA is composed of two foldable panels, such as the display unit of the portable telephone shown in Examples 1 and 2. A first display 402 and a second display 422 are formed on the front panel 40 and the rear panel 42, respectively, and the front panel 40 is normally provided with a function input unit 41. The front panel 40 As the connecting means of the rear panel 42, the connecting means 12 described in Embodiment 1 is used.

The first display 402 of the front panel 40 is formed up to the side edges with the connecting means 12 interposed therebetween so that the side of the first display 402 in close contact with the second display 422 is exposed when the rear panel 42 is folded. . In order to prevent this, the side cover 16 is installed as in the first and second embodiments.

As shown in the figure, the side cover 16 allows the hinge 16a to be coupled to the upper end of the side portion with the connecting means 12 interposed therebetween, and the side cover 16 after the front panel 40 and the rear panel 42 are folded. Down to cover the exposed contact portion 403 of the first display 402 to prevent display defects caused by the adhesion of foreign matter.

Only the second display 422 may be installed on the rear panel 42, and a variety of functions may be secured by providing a function input key like the front panel.

Referring to FIG. 9, when the PDA is not extended and operated, the second display 422 is protected by the display cover 162 as shown in the drawing.

Since the PDA having the above-described structure becomes twice as large as the screen size, it is possible to display various information and provide a window screen due to the characteristics of a portable computer, and can display a large screen image according to the trend of gradually transferring images. It can provide visual and functional convenience to the user.

The display unit of the conventional portable flat panel display device is configured by two folding panels, and thus a single large screen can be realized by unfolding the auxiliary panel, thereby providing various information and an enlarged screen.

Claims (5)

At least two collapsible panels; Connecting means for foldably connecting the panel; A flat panel display mounted to the panel; The flat panel display has at least one side coincident with one side of the panel so that when the panel is unfolded, one side of the flat panel display is in contact with each other, and when the panel is folded, the flat panel display is positioned on the rear of the panel to expose the screen to the outside. Folding portable flat display device comprising. The foldable portable flat panel display of claim 1, further comprising a side cover on the side of the display panel to cover the contact portion between the flat panel displays when the two panels are folded. The foldable portable flat panel display of claim 1, wherein the flat panel display is at least one of LCD, ELD, PDP, and FED. The foldable portable flat panel display of claim 1, further comprising a display cover covering and protecting a front surface of the display of the panel. The method of claim 1, wherein the connecting means comprises a first cam fixed to the housing of one flat panel display, a can coupled to the outside of the first cam and rotatably inserted into the housing of the other flat display, and the inside of the can. And a second cam inserted into the can, the second cam inserted into the can and being touched by the spring to be in contact with the first cam, the second cam being fixed to the housing of the other flat display unit.