KR20030020520A - Multi Display Device - Google Patents

Abstract

PURPOSE: A multi-display device is provided to display a plurality of displays as one screen by installing an optical tool of an integrated structure performing compensation to an upper end of the display. CONSTITUTION: Two displays(2,4) are closely connected with two panel housings(20,40) respectively having the displays(2,4). The optical tool(27) having the integrated structure is installed to the upper end of the adjacent displays(2,4). A connection tool is formed on the panel housings(20,40) and the optical tool(27). Thus, the optical tool(27) is formed on the upper end of the displays(2,4) by connecting connection grooves(20a,40a) formed on the panel housings(20,40) with a fixing frame(28) formed on the optical tool(27). Physical reliability is given to the optical tool of a film form by installing a side prop(29) to a side surface of the optical tool(27).

Description

Multi Display Device

In the present invention, when constructing one large screen using two or more displays, the display light emitted from the display device is optically refracted to visually remove the non-display area existing between the plurality of displays to form one large screen. It relates to a multi display device.

The construction of one large screen using two or more displays has been applied to large display devices. Recently, the necessity of a large screen has been increased as the performance is improved due to the performance of wireless Internet, etc., in a portable display device. In the portable display device, the large screen does not use portable characteristics such as size and movement, and thus a folding display is adopted. One multi-display device has been proposed.

In general, a flat panel display is used for a portable display device, and a flat panel display includes a liquid crystal display (LCD), a field emission display (FED), a plasma display panel (PDP), and an electro luminescent (EL).

1 is a view of a case example provided with optical means on the top of the display.

In the conventional multi display apparatus, the optical means 27 is provided on the upper ends of the first display 2 and the second display 4 which are adjacent to each other. The optical means 27 is for visually minimizing the seam, which is the boundary between the two displays 2, 4, but such an optical means 27 has two separate forms, so that the display 2 ( 4) There was a problem in that there was not enough removal of the seam between the non-display areas existing between the displays, and there was still a sense of heterogeneity between the displays.

Accordingly, the present invention has been invented to solve the above-mentioned problems of the prior art, and by mounting one optical means formed on the upper end of the display to form a unitary structure that can be compensated by refracting the display light of the flat panel display toward the seam. It is an object of the present invention to provide a multi display device capable of displaying a display on one screen.

In order to achieve the above object, the multi-display device of the present invention is a multi-display device mounted on two or more panel housings in which two or more displays are adjacent to form a screen, and the display unit includes two display units. Combine one optical means integrally formed with a symmetrical surface structure.

The optical means has a fixing frame, and the panel housing is provided with a coupling groove for engaging with the fixing frame. The fixing frame may have an elastic member.

The panel housing may be collapsible or coupled to and separated from each other, and may further include an accommodation space for accommodating the optical means when the panel housing is separated. In addition, one of the panel housing includes a sliding groove that can be moved by sliding the fixing frame of the optical means.

In addition, the optical means has a side rib, and the panel housing is formed with a detail groove into which the side rib can be inserted. The detail groove is formed in the detail groove of the joint is wider than the outer detail groove.

The multi display device of the present invention may further include a cover means for protecting the folded portion of the optical means when the panel housing is folded. In addition, when the panel housing is folded, the movement of the panel housing may be transmitted to the optical means, and may further include a movement transmitting means for moving the optical means. The movement transmitting means allows movement of the axis connected with the panel housing to be transmitted to the optical means. The shaft is a gear shaft.

1 is a view of a case example provided with optical means on the top of the display.

2 is a diagram illustrating a multi display device of the present invention.

3 is a view showing the principle of the optical means of the present invention.

4 shows an embodiment for accommodating optical means.

5A to 5C illustrate optical means mounted to the foldable display.

6 is a view showing a form when the display device is folded.

7 is a view showing optical means in a folded state.

8A to 8C show another embodiment of the optical means of the present invention.

9A to 9B illustrate another embodiment of the multi display device.

Explanation of symbols on the main parts of the drawings

2,4: display 6; shaft

20, 40: panel housing 20a, 40a: coupling groove

21: detail groove 22: sliding groove

27: optical means 28: fixing frame

29: side rod 30: storage space

31: seam

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described with reference to an accompanying drawing.

The present invention provides a folding portable display device having an effect of connecting at least two flat panel displays adjacent to each other to view a single screen, in order to visually minimize a seam that is an interface of a screen, using a seam using an optical structure. Suggest ways to reduce. In the present invention, a flat panel display may be LCD, FED, PDP, electronic paper (Electric Paper) and the like.

2 is a diagram illustrating a multi display device of the present invention.

In the multi-display device of the present invention, two panel housings 20 and 40 having respective displays 2 and 4 are combined to connect two displays 2 and 4 adjacently. One optical means 27 integrally formed on the two adjacent displays 2 and 4 is mounted. At this time, the panel housing 20, 40 and the optical means 27 is provided with a coupling means for coupling or separating it. That is, the coupling grooves 20a and 40a formed in the panel housings 20 and 40 and the fixing frame 28 formed in the integrated optical means 27 are combined to provide the optical means 27 on the top of the display 2 and 4. ) Is mounted. In addition, the side surface 29 of the optical means 27 is provided with a side rib 29 so as to have a physical reliability in the optical means 27 in the form of a film.

Various storage devices, a central processing unit, and a display driving circuit are provided inside the panel housing, and an input device is provided outside the panel housing or the display to function as a portable display device. In addition, two or more panel housings may be combined and separated from each other, and the multi-display device may be configured in various forms that can be folded.

3 is a view showing the principle of the optical means of the present invention.

As shown in FIG. 3, the flat panel display includes upper and lower substrates 15 and 17, and electrodes 19 are formed between the upper and lower substrates 15 and 17, and the upper and lower substrates 15 and 17 are disposed on the upper surface of the substrate 15. The optical means 27 of the present invention is provided. In general, in the case of a display device, there is a liquid crystal layer in the case of a liquid crystal (LCD) device in addition to the substrate and the electrode, and an organic light emitting layer in the case of an EL device. However, since the display device is not directly related to the present invention, illustration is omitted here.

As shown in FIG. 2, when the two panel housings 20 and 40 are coupled to each other and the two displays 2 and 4 are adjacent to each other, a joint 31 is formed. Normally, the joint 31 means a display interface, but there is a sealant 24 for sealing the upper and lower substrates of the display, and the sealant 24 also corresponds to an area where the screen is not displayed, so that the sealant 24 is included in the joint part. do.

The optical means 27 of the present invention is in the form of a film and can be easily mounted on the upper end of the display. An inclined structure 27a having a predetermined inclination angle is repeatedly formed on the surface of the optical means 27. Incidentally, the inclined structure 27a of the optical means 27 is symmetrical with each other in the first display 2 part and the second display 4 part. Therefore, as shown in FIG. 3, when the light proceeds from the lower part of the display to the upper part, the path of the light is refracted to the joint part in the direction of the arrow in the drawing, so that the seam is visually reduced. This is a phenomenon in which light is refracted and the light path is bent at an angle, which is a principle that uses the difference in refractive index between two media through which light travels.

4 shows an embodiment for accommodating optical means.

When the first panel housing 20 and the second panel housing 40 are separated, it is necessary to separate the optical means 27 from the panel housings 20 and 40 for separate storage. Therefore, the storage space 30 for accommodating the optical means 27 may be provided on the side of the first panel housing 20, so that the optical means 27 may be rolled in a roll form and accommodated in the storage space 30.

5A to 5C illustrate optical means mounted to the foldable display.

When two or more displays 2 and 4 have a foldable structure, the optical means 27 should also have a mounting structure suitable for this, and the fixing frame 28 of the optical means 27 has a panel housing 20 ( It is coupled to the coupling grooves 20a and 40a of the 40 and fixed to the panel housings 20 and 40.

A detailed view of the method of coupling the optical means 27 to FIG. 5B is enlarged. The sliding groove 22 in which the fixing frame 28 of the optical means 27 is slid and moved in the first panel housing 20 is illustrated. And the detail groove 21 is formed, the side rib 29 of the optical means 27 is inserted into the detail groove 21 is coupled. In addition, the coupling groove 20a of the panel housing 20 is provided with a locking device 20b that prevents the fixing frame 28 of the optical means 27 from being separated from the coupling groove 20a.

5C is a view showing in detail the structure of the detail groove 21 of the joint portion 31, the width of the detail groove 21 is formed on the side of the joint 31 more wide. In the case where the detail groove 21 of the joint part 31 is not formed wider, the detail groove 21 of the joint part 31 may be made wider by using an elastic material or the like. As such, the optical means 27 of the present invention can be combined or separated at the top of the panel housing 20.

6 is a view illustrating a form when the folding display device is folded.

When the folding display device starts to fold, the joint 31, which is an interface between the two displays 2 and 4, also opens and widens. However, since the integrated optical means 27 is not separated, the fixing frame 28 of the optical means 27 moves toward the joint 31 from the coupling groove 20a through the sliding groove 22.

At this time, the optical means 27 is moved only the portion mounted to the first panel housing 20, and therefore, the side bar of the optical means 27 inserted into the detail groove 21 formed in the first panel housing ( 29 also enables sliding movement.

7 is a cross-sectional view showing optical means in a folded state.

When the display device is folded, the optical means 27 of the folded side of the display 2 and 4 are protected by the cover means 10, and the cover means 10 is paneled by the elastic member 60. It is connected to the housing.

When the panel housings 20 and 40 are folded, the optical means 27 is received and folded into the panel housings 20 and 40. The fixing frame 28 of the optical means 27 is moved through the sliding groove 22 of the first panel housing 20, the side ribs 29 are slidingly moved inside the detail groove 21. The bent portion 27 ′ of the optical means 27 should be bent in an ellipse shape as shown in FIG. 7 to reduce the damage of the optical means 27 in the form of a film. To this end, as shown in FIG. 5C, the width of the detail groove 21 of the joint becomes wider, and the width of the detail groove 21 increases toward the folded portion.

8A to 8C show another embodiment of the optical means of the present invention.

In this embodiment, the elastic member 28a is provided on the fixing frame 28 of the optical means 27, and when the display 2 or 4 is unfolded, the optical means 27 is pulled in the opposite direction to the joint portion. do. Therefore, the optical means 27 is maximally unfolded at both ends of the fixing means.

FIG. 8B is a view showing the side ribs 29 of the portion folded by the optical means, and the side ribs 29 are made discontinuously and easily bent. The material of the side ribs 29 is plastics, and the fixing frame is also plastics.

8C is a cross-sectional view showing a position where the optical means 27 in the form of a film is attached to the fixing frame 28 and the side ribs 29. In order to closely contact the optical means 27 in the form of a film to the top of the display 2, 4, the optical means 27 is connected to the fixing frame 27 and the lower side side 29.

9A to 9B illustrate another embodiment of the multi display device of the present invention.

In the display device of the present embodiment, when the panel housings 20 and 40 are folded, the motion transmitting means for transmitting the movement of the panel housings 20 and 40 to the optical means 27 to move the optical means 27. It contains more. In addition, the movement of the shaft 6 connected to the panel housing 20 and 40 may be transmitted to the optical means 27. In this manner, the fixing frame 28 of the optical means 27 is moved in the direction of the joint portion.

In order for the two panel housings 20 and 40 to be folded in a foldable form, at least the shaft 6 should be divided into two structures. In this embodiment, one part is the gear shaft 6b, and the other part is the general shaft 6a. In addition, the gear shaft 6b is formed integrally with the first panel housing 20, and the general shaft 6a is formed integrally with the second panel housing 40. Therefore, as shown in FIG. 9A, when the panel housings 20 and 40 are folded, the gear shaft 6b integrally connected with the first panel housing 20 moves in the direction of the arrow. On the other hand, in the optical means 27, the side bar 29 is formed as a main portion so that the movement of the gear shaft 6b can be transmitted.

Here, the transmission gear 6c is provided inside the joint panel housing 20 by protruding the joint side surface of the first panel housing 20, and the joint side of the second panel housing has a round groove. It has a shape to match the protrusion of the first panel housing 20.

9b is a diagram showing the principle of the movement from the gear shaft 6b to the side rod 29. When the gear shaft 6b moves in the direction of the arrow, the transmission gear 6c moves in the opposite direction. Therefore, this movement is transmitted to the side bar 29 of the optical means 27 having a recessed shape to move the fixing frame 28 of the optical means 27 in the direction of the seam.

When the optical means 27 is moved using the gear shaft 6b in this manner, the size of the folded portion 27 'of the optical means 27 shown in FIG. 7 is in the folded state. 4) Adjust the gap of gear teeth so that it is bigger than the distance between them. By doing so, when the panel housings 20 and 40 are folded, the optical means 27 are naturally folded to minimize damage of the optical means 27 due to the folding.

In addition, as a transmission means for transmitting the movement of the panel housing 20, 40 to the optical means, a band for transmitting movement or power in addition to the gear shaft may be used. That is, one side of the band may be connected to the panel housing 20, 40 or the shaft 6, and the other side may be connected to the optical means 27 to be pulled.

As described above, the present invention can compensate by deflecting the display light of the flat panel display device toward the joint portion, and can display a plurality of displays on one screen by mounting the optical means having an integrated structure on the top of the display. In addition, even in a folding display device, a seam can be visually reduced.

Claims (12)

A multi-display apparatus mounted on two or more panel housings in which two or more displays are adjacent to form a screen, wherein the panel housing includes one optical means integrally formed with a surface structure symmetrical to each other at both display portions. Multi display device, characterized in that coupled. The multi-display apparatus according to claim 1, wherein the optical means includes a fixing frame, and the panel housing is provided with a coupling groove coupled to the fixing frame. The multi display apparatus of claim 1, wherein the panel housing further comprises an accommodation space accommodating the optical means. The multi-display apparatus of claim 1, wherein the panel housing further comprises a sliding groove through which the fixing frame of the optical unit is slid. The multi display device of claim 1, wherein the optical means includes a side rib, and the panel housing is formed with a detail groove into which the side rib can be inserted. The multi display device of claim 5, wherein the detail groove has a wider detail groove in the joint than an outer detail groove. The multi display apparatus of claim 1, further comprising a cover unit to protect the folded portion of the optical unit when the panel housing is folded. The multi display device of claim 2, wherein the fixing frame has an elastic member. The multi-display apparatus of claim 1, further comprising: motion transmitting means for transmitting the movement of the panel housing to the optical means when the panel housing is folded to move the optical means. The multi display device of claim 9, wherein movement of an axis connected to the panel housing is transmitted to the optical means. The multi display device according to claim 10, wherein the shaft is a gear shaft. The multi display device of claim 1, wherein the panel housing is collapsible or can be combined and separated.