KR101589959B1

KR101589959B1 - Bezel free multi-screen display device with flat panel transparent cover and fastening device of flat panel transparent cover

Info

Publication number: KR101589959B1
Application number: KR1020150080861A
Authority: KR
Inventors: 임명관
Original assignee: 임명관
Priority date: 2015-06-08
Filing date: 2015-06-08
Publication date: 2016-02-12

Abstract

The present invention relates to a multi-screen display device and a multi-screen display device, in which a flat transparent cover made of a high-purity transparent polycarbonate is mounted on a screen display unit of a multi-screen display device in a one- Free multi-screen display having a flat-type light-projecting cover and a flat-type light-projecting cover fixing device on which a flat light-projecting cover is mounted by a flat-plate light-projecting cover fixing device on a screen display part so that the screen can be visually recognized A plurality of screen display units 110; A flat plate translucent cover 130 provided on the front surface of the screen display unit 110 so as to correspond to the plurality of screen display units 110; A support frame 150 provided on a rear surface of the plurality of screen display units 110 to support the screen display unit 110; A plurality of bezels 120 having one end supported by the support frame 150 and the other end positioned in a space S formed between the adjacent display units 110; A plurality of brackets 140 coupled to a side surface of the flat plate transparent cover 130; And a flat plate translucent cover fixing device 200 coupled to each of the brackets 140 so that the flat plate translucent cover 130 is fixed to the support frame 150. The flat plate translucent cover fixing device 200 includes: A fixed body 210 coupled to one side of the support frame 150 and having a through hole 211 and a fixed body 214 and a fixing unit body 210 coupled to a side surface 133 of the flat plate transparent cover 130. [ A head part 221 inserted into and fixed to the insertion groove 141 of the bracket 140 and a body part 220 inserted into the through hole 211 of the fixing device body 210 and having a second protrusion 222 223, respectively.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bezel-free multi-screen display device having a flat-plate transparent cover and a flat-

The present invention relates to a bezel-free multi-screen display device having a flat-type light-projecting cover and a flat-type transflective cover fixing device, and more particularly, So that the viewer of the multi-screen display device can view the bezel at the same time, and the viewer can visually recognize the screen as if the image is normally displayed without being cut off over the entire area of the display device, Free multi-screen display device having a flat-type light-projecting cover and a flat-type light-projecting cover fixing device in which a flat light-projecting cover is mounted by an apparatus.

In general, a flat panel display device such as a liquid crystal display (LCD), a light emitting diode (LED), or a plasma discharge panel (PDP) is easy to implement in high resolution and has various advantages as a large screen display device. However, such flat panel display devices are problematic in large-area fabrication, resulting in a sharp increase in manufacturing cost and deterioration of image quality due to signal delay and the like.

Accordingly, as an alternative to implementing a large display using a single display panel, a multi-screen device in which a plurality of display panels are combined in a matrix form (so-called "Tiled" For example, a multi-screen device is constituted by combining a plurality of large display panels of about 40 inches or more in a matrix form, such as a commercial display installed on a roof of a building, a large display installed on a racetrack or a casino,

However, the conventional multi-screen device using the multi-display panel has a plurality of display panels of approximately 40 inches or more, and a bezel, which is an external component such as a chassis, is installed outside the display panel. Therefore, in an area where a bezel is present, that is, a contact area between display panels, an area where no image is displayed occurs. Such a video non-display area causes a problem of deteriorating the continuity of the screen.

To solve these problems, Korean Patent Publication No. 10-2011-0065627 and Korean Patent No. 10-1426726 have been proposed.

Korean Patent Laid-Open No. 10-2011-0065627 discloses that a reflector is installed at a spaced portion in the same pattern as a pattern of a spaced portion so as to reflect the image displayed on the screen and expose to the outside by the size of the spaced portion as a core point The details of the technical content are disclosed in the publication, and a detailed description thereof will be omitted.

However, the technique disclosed in Japanese Patent Application Laid-Open No. 10-2011-0065627 has a problem in that the reflector does not reflect as shown in the drawing of the disclosure publication, so that the black bezel portion remains intact. Further, even if the reflector is arranged so that the vertex of the reflector faces downward, there is a problem that the same problem, that is, the problem that the bezel remains intact is not solved. Further, there is a problem that means for fixing the reflector on the screen is not proposed.

Korean Patent No. 10-1426726 discloses that the side surface is formed with an outwardly widening inclination forward and the outer circumferences of the front surface of the transparent cover are in contact with each other so as to be provided on the screen display portion and between the opposite side surfaces of the adjacent light- A light transmitting cover is provided on the screen display unit so that the light transmitting cover is provided on the screen display unit.

However, Korean Patent Registration No. 10-1426726 has a problem that glare occurs on the screen due to irregular reflection depending on inclination due to bending of the convex translucent cover front face. Further, there is a problem that the image reflected by the light-transmitting cover is not clear and the screen is blurred. Further, it is described that the means for fixing the light-transmitting cover on the screen can be provided in the screen display portion by the known fastening means or the coupling means, and it is not clear how the light-transmitting cover is fixed on the screen display portion have.

1. Korean Patent Laid-Open No. 10-2011-0065627 "Multivision Screen Device" (Published Date: June 16, 2011) 1. Korean Patent No. 10-1426726 entitled " Multi-screen display device having a light-emitting cover in which a bezel can not be seen "(Registration date:

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above-mentioned problems, and it is therefore an object of the present invention to provide a planar light projecting cover which is free of glare and screen blur due to diffuse reflection, Free multi-screen display device having a flat-type light-transmitting cover and a flat-plate light-transmitting cover fixing device fixed on a screen display unit.

A bezel-free multi-screen display device having a flat-type light-projecting cover and a flat-type light-projecting cover fixing device according to the present invention includes a plurality of screen display parts; A flat light-emitting cover provided on the front surface of the screen display unit so as to correspond to the plurality of screen display units; A support frame provided on a rear surface of the plurality of screen display units to support the screen display unit 110; A plurality of bezels, one end of which is supported by the support frame and the other end of which is located in a space defined between adjacent screen display parts; A plurality of brackets coupled to a side surface of the flat plate translucent cover; And a flat plate transparent cover fixing device coupled to each of the brackets so that the flat plate transparent cover is fixed to the support frame, wherein the flat plate transparent cover fixing device is coupled to one side of the support frame, A head unit inserted and fixed in an insertion groove of a bracket coupled to a side surface of the flat plate translucent cover, and a body portion inserted into the through hole of the fixing apparatus body and having a second projection, And a cable tie.

As described above, the bezel-free multi-screen display device having the flat-type floodlight cover and the flat-type floodlight cover fixing device according to the present invention has a flat-type floodlight cover on a one- .

In addition, a flat-type light-transmissive cover in which the side surfaces are formed obliquely are opposed to each other, and a flat-type light-transmissive cover is placed on the screen display portion so that the bezel is positioned in a space formed by the opposite side faces of the pair of flat- In addition, it is advantageous that the screen of the screen display unit is reflected on the side surface so that the screen is displayed to the user as if the screen is normally displayed as on the screen display unit.

Also, by using the flat-type light-transmitting cover, there is an advantage that the glare phenomenon does not occur on the screen due to irregular reflection depending on the inclination due to the convex surface of the light-transmitting cover.

Further, by using the flat-plate transparent cover, there is an advantage that the image is not blurred and clear.

In addition, there is an advantage that the structural rigidity can be secured by a simple structure by fixing the flat-type transparent cover to the frame on which the display panel is mounted using a cable tie.

In addition, by providing a flat light-transmissive cover on a one-to-one basis on the screen display portion of the multi-screen display device, contamination due to direct contact of the multi-screen can be prevented and an expensive multi-screen can be protected from breakage or damage.

1 is a front view of a multi-screen display device having a flat light-transmitting cover according to the present invention.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multi-
3 is a detailed view of the main part of Fig.
4 is a side cross-sectional view of a flat-type transparent cover according to the present invention.
FIG. 5 is a view illustrating a state in which the flat-type floodlight cover and the flat-plate floodlight cover fixing apparatus are combined according to the present invention. FIG.
6 is an operational state view of a flat-type floodlight cover fixing apparatus according to the present invention.
7 is a detailed view of a main part of a flat-type floodlight cover fixing device according to the present invention;
8 is a schematic view of a screen of a multi-screen display device without a flat light projecting cover according to the present invention.
FIG. 9 is a schematic view of a screen of a multi-screen display device having a flat light-transmitting cover according to the present invention. FIG.

Hereinafter, a bezel-free multi-screen display device having an I-flat-plate transparent cover and a flat-plate transparent cover fixing device according to the present invention will be described in detail with reference to the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and they may vary depending on the intentions or customs of the client, the operator, the user, and the like. Therefore, the definition should be based on the contents throughout this specification.

Like numbers refer to like elements throughout the drawings.

FIG. 1 is a front view of a multi-screen display device having a flat-type translucent cover according to the present invention, FIG. 2 is a sectional view of a multi-screen display device having a flat-type translucent cover according to the present invention, FIG. 4 is a side sectional view of a flat plate translucent cover according to the present invention, FIG. 5 is a combined state view of a flat plate translucent cover and a flat plate translucent cover fixing apparatus according to the present invention, 7 is a detailed view of a main portion of the flat-type floodlight cover fixing device according to the present invention, and Fig. 8 is a screen view of a multi-screen display device without a flat light- And FIG. 9 is a screen view of a multi-screen display device having a flat light-transmitting cover according to the present invention.

2 to 4, a bezel-free multi-screen display device having a flat-type floodlight cover and a flat-type floodlight cover fixing device according to the present invention includes a plurality of screen display parts (display panels, Quot;) 110 < / RTI > A flat plate translucent cover 130 provided on the front surface of the screen display unit 110 so as to correspond to the plurality of screen display units 110; A support frame 150 provided on a rear surface of the plurality of screen display units 110 to support the screen display unit 110; A plurality of bezels 120 having one end supported by the support frame 150 and the other end positioned in a space S formed between the adjacent display units 110; A plurality of brackets 140 coupled to a side surface of the flat plate transparent cover 130; And a flat plate translucent cover fixing device 200 coupled to each of the brackets 140 so that the flat plate translucent cover 130 is fixed to the support frame 150.

Here, the term original bezel refers to a frame for fixing the watch glass, but is currently used as a term for the border of the screen display portion in various monitors such as an LCD.

The bezel 130 is located in the space S formed by the opposite side surfaces 133 of the pair of flat plate transparent covers 130 that are in contact with each other.

The flat plate translucent cover 130 has a rectangular shape opposed to the screen display unit 110 and has four sides thereof inclined toward the outline of the screen display unit 110 and bent inward to form a bent portion 131a, A back surface 131 formed of a flat flat portion 131b extending from the bent portion 131a; A flat front surface 132 which is the other side surface of the back surface 131; And an inclined side surface 133 formed from the back surface 131 toward the front surface 132. [ Here, the planar light transmitting cover 130 is preferably formed of a translucent material such as acrylic resin, glass, quartz, or the like, which transmits light, but it is more preferably implemented as a high purity transparent polycarbonate.

For example, if the size of the screen display unit 110 is 55 inches, the size of the flat light transmitting cover 130 may vary according to the size (inch, inch) of the screen display unit 110, The width of the flat portion 131b is 1213.6 mm, the length is 681.4 mm, the thickness of each of the bent portions 131a is 15.9 mm, and the flat portion 131b is 7 mm.

The bracket 140 is formed to have an inclined surface corresponding to the inclined side surface 133 of the flat plate translucent cover 130 and the lower side of the bracket 140 has an insertion groove The cover plate 141 is formed of the same material as that of the flat plate transparent cover 130.

Refers to an angle at which the user views the display device and the term "outermost viewing angle" refers to the angle at which the image of the screen display unit 110 displayed on the side surface 133 of the flat- This is the maximum angle the user can see. Accordingly, when the user sees the display device within the outermost viewing angle range, the user can see the image of the screen display unit 110 reflected by the side surface 133 and transmitted through the front surface 132, The side 133 of the flat-plate transparent cover 130 is visually recognized by the user as if the image is displayed. The outermost viewing angle is preferably greater than 0 ° and less than 90 °, and more preferably 45 ° to 70 °.

The side surface 133 of the flat plate translucent cover 130 is inclined so as to extend outwardly toward the front side in the direction from the back surface 131 to the front surface 132. That is, the side surface 133 is inclined so that the front surface 132 is wider than the back surface 131. [

The curved portion 131a of the back surface 131 of the flat plate translucent cover 130 maintains an angle alpha greater than 0 DEG and less than 50 DEG with respect to the image display portion 110 (0 < . Here, when the bending portion 131a of the back surface 131 exceeds 50 degrees, a phenomenon occurs in which the screen displayed by the bending portion 131a is blurred.

Further, since the front surface 132 of the flat panel transparent cover 130 is made flat, the angle of 0 degrees with respect to the image display unit 110 is maintained

The side surface 133 of the flat plate translucent cover 130 is inclined so as to maintain an angle β of greater than 90 ° and less than 140 ° with respect to the screen display 110 (90 <β≤140). Here, β is an angle formed by the screen display unit 110 and the side surface 133. When the side surface 133 of the flat panel transparent cover 130 maintains an angle of more than 140 degrees with respect to the screen display unit 110, 133, so that the bezel 120 is visible.

The bezel 120 is not seen by placing the bezel 120 in the space S between the side surfaces 133 of the adjacent flat plate transparent cover 130 due to the side surface 133 of such a configuration.

Also, a reflective material may be coated on the side surface 133 of the flat-type transparent cover 130 so that total reflection can be easily performed. The reflective coating may be coated directly on the side surface, or the coating film may be adhered, and the coating material to be performed for reflection is well known and a detailed description thereof is omitted.

Also, the support frame 150 may be provided with one or more support bars (not shown). In this case, it is preferable that the support bar is vertically installed in consideration of a feature that the screen display unit 110 is installed in a long horizontal direction and a short vertical direction. Meanwhile, if the screen display unit 110 is installed in a long vertical direction and a short horizontal direction, the support bar may be installed in the left and right direction.

Further, a mounting frame (not shown) may be provided on the rear surface of the support frame 150.

5 to 7, a planar light projecting cover fixing apparatus according to the present invention will be described in more detail.

The flat plate translucent cover fixing device 200 includes a fixing device body 210 coupled to one side of the support frame 150 and having a through hole 211 and a fixing body 214, And a second protrusion 222 inserted into the through hole 211 of the fixation device body 210. The second protrusion 222 is inserted into the insertion hole 141 of the bracket 140, And a cable tie 220 having a body portion 223 having a bottom surface.

The fixing device body 210 includes a fixed body 214 having one end protruded to have an elastic force on the fixing device body 210 and a cable tie 220 formed on an end of the fixed body 214, And a first protrusion 212 that is resiliently coupled to the second protrusion 222 of the first protrusion 222. [

When the flat plate translucent cover 130 is to be fixed to the flat plate translucent cover fixing device 200, the insertion groove 141 of the bracket 140 attached to the side surface 133 of the flat plate translucent cover 130 The body portion 223 of the cable tie 220 is inserted into a fixing device body (not shown) coupled to one side surface of the support frame 150 And the first protrusion 212 and the second protrusion 221 engage with each other by pulling the body part 223 from the rear of the fixing device body 210. [ . On the other hand, when the cable tie 220 is to be detached from the fixing device body 210, the body portion 223 of the cable tie 220 is pulled downward, The body portion 223 of the cable tie 220 is pulled upwards after the fixed body 214 is pushed to one side to separate the first and second protrusions 212 and 221 using elastic force So that the cable tie 220 is separated from the fixing device body 210. The flat plate transparent cover 130 may be appropriately positioned on the screen display unit 110 using the above-described method.

One or more brackets 140 are provided on the side surface 133 of each of the flat plate translucent covers 130 and the fixing device body 210 is fixed to the support frame 150 in correspondence with the number of the brackets 140. [ As shown in Fig.

8, the entire screen of the multi-screen in which the flat-plate transparent cover 130 is not mounted is cut off by the bezel 120, and as shown in Fig. 9, The entire screen of the multi-screen in a state in which the display unit 130 is mounted is not disconnected by the bezel 120, so that the entire screen is continuous. That is, in FIG. 9, the screen of the screen display unit 110 is mirror-symmetrically reflected from the side surface 133 of the flat-type transparent cover 130.

As described above, the bezel-free multi-screen display device having the flat-type floodlight cover and the flat-plate floodlight cover fixing device according to the present invention includes the flat-type floodlight cover on a one- In addition, a flat-type light-transmissive cover in which the side surfaces are formed obliquely are opposed to each other, and a flat-type light-transmissive cover is placed on the screen display portion so that the bezel is positioned in a space formed by the opposite side faces of the pair of flat- In addition, the screen of the screen display unit is reflected on the side surface and is displayed to the user as if the screen is normally displayed on the side as if the screen display unit is normally displayed. Further, by using the flat-plate transparent cover, the glare phenomenon does not occur on the screen due to irregular reflection depending on the inclination due to the curvature of the convex transparent cover. Further, by using the flat-plate transparent cover, the image is clear without being blurred. Further, by fixing the flat-type transparent cover to the frame on which the display panel is mounted using a cable tie, the structural rigidity is secured with a simple structure. In addition, by providing a flat light-transmissive cover on a one-to-one basis on the screen display portion of the multi-screen display device, contamination due to direct contact of the multi-screen can be prevented, and an expensive multiscreen can be protected from breakage or damage.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various changes, modifications or adjustments to the example will be possible. Therefore, the scope of protection of the present invention should be construed as including all changes, modifications, and adjustments that fall within the spirit of the technical idea of the present invention.

110: screen display part 120: bezel
130: Flat plate light-projecting cover 131:
131a: bent portion 131b: flat portion
132: front side 133: side
140: bracket 141: insertion groove
150: Support frame 200: Flat plate projector cover fixing device
210: fixing device body 211: through hole
212: first protrusion 214: fixed body
220: cable tie 221: head part
222: second projection 223:

Claims

A plurality of screen display units 110;
A flat plate translucent cover 130 provided on the front surface of the screen display unit 110 so as to correspond to the plurality of screen display units 110;
A support frame 150 provided on a rear surface of the plurality of screen display units 110 to support the screen display unit 110;
A plurality of bezels 120 having one end supported by the support frame 150 and the other end positioned in a space S formed between the adjacent display units 110;
A plurality of brackets 140 coupled to a side surface of the flat plate transparent cover 130;
And a flat plate translucent cover fixing device 200 coupled to each of the brackets 140 so that the flat plate translucent cover 130 is fixed to the support frame 150,
The flat plate translucent cover fixing device 200 includes a fixing device body 210 coupled to one side of the support frame 150 and having a through hole 211 and a fixed body 214, A head portion 221 inserted and fixed in an insertion groove 141 of a bracket 140 coupled to a side surface 133 of the fixing device body 130 and a second protrusion 221 inserted into the through hole 211 of the fixing device body 210, And a cable tie (220) having a body part (223) provided with a flat plate transparent cover (222).

The method according to claim 1,
The flat plate translucent cover 130 includes a back surface 131 formed of a bent portion 131a bent inward and a flat flat portion 131b extending from the bent portion 131a;
A flat front surface 132 which is the other side surface of the back surface 131; And
And a tilted side surface (133) formed from the back surface (131) toward the front surface (132).

The method of claim 2,
The bracket 140 is formed to have an inclined surface corresponding to the inclined side surface 133 of the flat plate translucent cover 130 and the lower side of the bracket 140 is formed with an insertion groove 141 for inserting the head portion 221 of the cable tie 220 The bezel-free multi-screen display device according to claim 1,

The method according to claim 1,
The side surface 133 of the flat plate transparent cover 130 may be provided with a flat plate transparent cover and a flat plate transparent cover fixing device, A bezel free multi-screen display device.

The method according to claim 1,
The fixing device body 210 includes a fixed body 214 having one end protruded from the fixing device body 210 so as to have an elastic force and a fixing device body 214 formed at an end of the fixing device body 214, And a first protrusion (212) elastically coupled to the second protrusion (222). The bezel free multi-screen display device according to claim 1, wherein the first protrusion (212)

The method of claim 2,
The bent portion 131a of the back surface 131 of the flat plate translucent cover 130 maintains an angle of greater than 0 DEG and less than 50 DEG with respect to the screen display portion 110;
The side surface 133 of the flat plate transparent cover 130 maintains an angle of greater than 90 ° and less than 140 ° with respect to the screen display unit 110. The flat plate transparent cover and the bezel free A multi-screen display device.

The method according to claim 1,
The bezel-free multi-screen display device according to claim 1, wherein the flat plate transparent cover (130) is made of any one selected from acrylic resin, glass, quartz, and transparent polycarbonate.