KR100654850B1 - Led indication device for multi vision - Google Patents

Abstract

An LED display device for a multi vision is provided to display various image and to facilitate installation and removal thereof by adopting a frame structure having a slit formed by plural vertical bars. An LED display device for a multi vision displays a moving picture on a screen, and includes plural LED boards, a fixing frame(20), a power supply, and coupling units. The LED boards include plural LED pixels in the longitudinal direction, and a circuit board having a driving element for driving the LED pixels. The fixing frame includes an upper horizontal bar(21), a lower horizontal bar(22), a left vertical bar(23), and a right vertical bar(24). The upper and lower horizontal bars support the upper and lower portions of the LED boards, respectively. The left and right vertical bars support the left and right portions of the LED boards, respectively. The power supply supplies electric power to the LED pixels and the driving element. The coupling units include upper/lower and left/right coupling elements, and are formed on the fixing frame for coupling.

Description

LED display device for Multi Vision

1 is a state diagram used in the multi-vision display device according to the prior art.

2 is a state diagram used in the LED display device according to the prior art.

Figure 3 is a front perspective view of the LED display device according to the present invention.

4 is a rear view of the LED display device according to the present invention;

Figure 5 is an exploded perspective view showing the assembly configuration of the LED display device according to the present invention from the back.

Figure 6 is an operating state showing the power supply cover operating state of the present invention.

Figure 7 is a perspective view showing the operating state of the upper and lower coupling means of the present invention.

Figure 8 is a perspective view showing the operating state of the left and right coupling means of the present invention.

Figure 9 is a state diagram showing an embodiment of the LED display device according to the present invention.

10 is a state diagram showing another embodiment of the LED display device according to the present invention.

Figure 11 is a state diagram showing another embodiment of the LED display device according to the present invention.

12 is an enlarged exploded perspective view of the main part of FIG. 11;

<Code Description of Main Parts of Drawing>

1: LED pixel 2: driving element

3: buffer member 4: buffer spring

5 engaging piece 6 binding pin

7: Bolt 8: Bolt Fastening Tab

10: LED board 20: fixed frame

21: upper horizontal bar 22: lower horizontal bar
23: left vertical bar 24: right vertical bar

25: vertical reinforcement bar 26: horizontal reinforcement bar

27: expressing hole 28: bonding hole

29: power supply cover 40: acrylic top plate

The present invention relates to an LED display device that is installed in various areas such as indoor or outdoor commercial advertising boards or various performance halls, stages, and the like to express various images and characters in color, and in particular, light, sound, and wind can be transmitted to the front surface. The present invention relates to a multi-vision LED display device that facilitates installation and disassembly of a screen.

In general, a multi-vision system uses a display device such as a CRT or LCD as a unit, and displays the screens by arranging the display devices in a plurality of rows and columns to display a different screen on each unit display device, or Refers to a device that divides and displays a screen on each unit display device.

Conventional multi-vision display devices include multi-cube using an initial CRT CRT tube, multi-cube with a transmissive screen and a projector in a box of a predetermined size, a product using an LCD monitor, and a multi-cube using a DLP. Such multi-vision systems are becoming increasingly important as visual information transmission devices in various fields such as broadcast programs, large stages, big events, concerts, and brand presentations.

The multi-vision system as described above may be used for fixed installation, such as indoor and outdoor display boards, but is commonly used for rental of repeating installation and dismantling on a large screen having a predetermined size and shape as needed in a performance hall or an event event. .

However, since the conventional multi-vision display device has a structure including a box-shaped frame or housing having a predetermined width and length, as shown in FIG. 1, the plurality of display devices 100 are arranged in a horizontal row. When constructing a large screen, a separate wide installation space is required, and since the weight and volume of each unit display device go out, there is a problem in that repeated installation and dismantling operations are not easy.

In addition, since the conventional multi-vision display device blocks light or sound from the back side of the structure, it cannot be combined with the background or image of the back side of the display device, and the installation place is extremely limited, such as installations avoiding the front of the band or the speaker. There was a downside.

Recently, display devices using brighter, lighter and more semi-permanent LEDs have been used as rental multi-visions as well as conventional outdoor display boards, compared to multi-vision displays using CRT, LCD, and DLP. It is a trend.

However, the conventional LED display device according to the related art has a structure in which the LED module 202 composed of a plurality of LED pixels 201 is formed in a predetermined array in one independent frame 203 as shown in FIG. 2. In addition, since separate frames must be produced in accordance with the change in screen size or change in screen form required for rental, there is a problem in that the productivity and the size and shape of the installation screen must be largely restricted.

In addition, the conventional LED display device is not only difficult to install and dismantle because of its bulky and heavy weight, but also once installed, it is very difficult to move or move. Or a difficult task such as lifting the entire frame up. Therefore, the conventional method has a problem in that a lot of restrictions on the production, particularly by reducing the flexibility of the event site, such as a broadcast or a concert.

Therefore, the present invention has been made to solve the above problems, the object of the present invention is made of a frame structure formed with a gap at a predetermined interval so that light or sound can be transmitted, and through the predetermined coupling means formed on one side of the frame The present invention relates to a multi-vision LED display device which is easy to install and dismantle while not restricting the size and shape of the multi-vision screen required for rental, and the installation location by allowing the frames to be easily bound to the left and right.

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. First, in describing each of the drawings, only the same components have the same reference numerals as much as possible even if shown on different drawings.

Figure 3 is a front perspective view of the LED display device according to the present invention, Figure 4 is a rear view of the LED display device according to the present invention, Figure 5 is an exploded perspective view showing the assembly configuration of the LED display device according to the present invention from the back. As a configuration of the present invention, a plurality of LED pixels 1 are installed at predetermined intervals in a longitudinal direction on a front surface thereof, and a rod-shaped drive element 2 for driving each of the LED pixels 1 is installed on a rear surface thereof. A plurality of LED board 10 made of a circuit board, a fixed frame 20 for supporting each of the LED board 10 from the front, and formed on one side of the fixed frame 20 the drive element and the LED pixel And a power supply unit (not shown) connected to the power supply unit, and a vertical coupling unit and a left and right coupling unit formed at one side of the fixed frame 20 to bind the plurality of fixed frames 20 up, down, left and right. Will be done.

In this case, in particular, the fixed frame 20 has a pair of upper horizontal bars 21, a lower horizontal bar 22, a pair of left vertical bars 23, and a right vertical bar 24 in a rectangular closed loop shape. The plurality of vertical reinforcement bars 25 having a predetermined width and length corresponding to the LED board 10 are coupled to the upper side at equal intervals in parallel with the left vertical bar 23 and the right vertical bar 24. It is formed integrally coupled to the horizontal bar 21 and the lower horizontal bar 22, and also characterized in that the horizontal reinforcing bar 26 for supporting each of the vertical reinforcing bar 25 is formed.

Accordingly, the separation space 30 is formed between each vertical bar 23, 24 and the vertical reinforcement bar 25 so that light or sound can be transmitted from the rear surface well, unlike the conventional multivision system. The LED display device according to the present invention can not only express an image while concealing a band or a speaker on the rear side, but also can display an image rear structure that can be combined with a rear background and an image.

In addition, the left and right vertical bars 23 and 24 and the vertical reinforcement bar 25 include a plurality of coupling holes 27 for fastening the LED board 10 and LED pixels on the LED board 10. A plurality of display holes 28 are drilled to allow 1) to be inserted into and protrude on the front surface of the LED board 10 at the rear of the left and right vertical bars 23 and 24 and the vertical reinforcement bar 25. It is made of a structure that is coupled and fixed.

In addition, the LED display device according to the present invention on the left and right both ends of the upper horizontal bar 21 of the fixed frame 20, and the upper and lower ends of the left and right vertical bars 23 and 24, the other LED display device up and down, left and right A plurality of shock absorbing members (3) made of a sponge is provided to prevent the impact or noise generated when the coupling, in particular, a plurality of shock absorbing springs (4) are further included inside the shock absorbing member (3) The impact relieving effect by the elastic restoring force is doubled.

In addition, a plurality of cable entry holes 23a and 24a having a predetermined shape are formed on the left and right vertical bars 23 and 24 side surfaces of the fixed frame 20 to provide various cables such as a power cable and a signal cable. By penetrating through the inlet holes (23a) (24a) to be connected to each LED display device, it is possible to organize the cable line so as not to be exposed to the outside and at the same time has the effect of reducing the weight of the fixed frame 20 itself.

In addition, a plurality of drain holes 22a having a predetermined shape are formed on the bottom surface of the lower horizontal bar 22 of the fixed frame 20 so that foreign substances such as rainwater introduced into the fixed frame 20 are discharged to the outside. At the same time to reduce the weight of the fixed frame 20 itself.

On the rear of the upper horizontal bar 21 of the fixed frame 20, a power supply unit (not shown) is received inside, and a power supply unit cover 29 is formed to be opened and closed by a sliding method, and the power supply unit cover 29 As the sliding opening and closing operation is made as shown in Figure 6 it is easy to work during the maintenance of the power supply.

7 and 8 illustrate the operating state of the upper and lower coupling means and the left and right coupling means according to the present invention, firstly, the upper and lower coupling means are fixed to the sides of the left and right vertical bars 23 and 24, respectively, and the front end thereof. A coupling piece 5 having a predetermined coupling protrusion 5a and an insertion hole 5b formed therein, and provided at both ends of the bottom surface of the lower horizontal bar 22 so that the coupling protrusion 5a of the coupling piece 5 is in a vertical direction. It comprises an insertion hole (22b) to be inserted into and the binding pin (6) for fixing the coupling piece (5) to the lower horizontal bar (22).

That is, in order to bind the plurality of LED display devices according to the present invention in a vertical direction to form a large screen, the engaging projection 5a of the coupling piece 5 provided at both ends of the upper horizontal bar 21 of the lower LED display device. ) Is inserted into the insertion hole 22b formed at both ends of the lower horizontal bar 22 of the upper LED display device in a vertical direction, and then the binding pin 6 is horizontally inserted into the insertion hole 5b of the engaging projection 5a. When pushed in the direction, the lower LED display and the upper LED display are firmly combined.

Therefore, when combining a plurality of LED display device according to the present invention in the vertical direction to form a large multi-vision large screen, it is possible to easily combine in one-touch manner as described above without providing a separate fastener.

In addition, the left and right coupling means is one or more bolts 7 provided separately, and the bolt insertion hole (23b) formed to correspond to each of the bolts 7 through the side of the left and right vertical bars (23, 24) 24b and a bolt fastening tab 8 which is integrally formed inside a bolt insertion hole of one of the vertical bars on either side of the left and right vertical bars 23 and 24 and to which the respective bolts 7 are fitted. It is done by

On the other hand, the front side of the LED board 10, the LED pixel 1 is arranged to be spaced apart by a predetermined interval in the longitudinal direction, the driving device for controlling the blinking of each LED pixel 1 on the rear of the LED board 10 (2) is electrically connected to the LED pixel (1).

At this time, the LED pixel (1) is 24-bit by the sum of the colors of one or more LED elements emitting three primary colors of red (R), green (G), blue (B) accommodated in a circular or rectangular pixel case It is configured to produce full color light.

The multi-dedicated LED display device according to the present invention configured as described above is a single unit unit itself, and a plurality of devices are bound up, down, left, and right to form large screens of various sizes and shapes as shown in FIGS. 9 and 10. Is achieved.

In particular, since the LED display device according to the present invention has a gap penetrating the front and rear surfaces at predetermined intervals so that light or sound from the rear can be transmitted, the LED display device can be installed while hiding a speaker, a band, and the like. Can be.

In addition, the weight of the fixed frame is less, and the thickness of the front and back is thinner, it is possible to install a convex form such as a cylinder and a square pillar, and also has the advantage of freely hanging in the air or moving and dividing the screen when necessary. .

In addition, the LED display device according to the present invention can be installed on the stage floor by using the acrylic top plate 40, as shown in Figures 11 and 12, it is possible to express the image of all viewing angles as well as the conventional front image implementation Has an advantage.

What has been described above is only one embodiment for implementing a multi-vision LED display device according to the present invention, various substitutions, modifications, and changes can be made within the scope without departing from the technical spirit of the present invention described above It is not limited to an example and an accompanying drawing.

As described above, the present invention has an advantage of being easy to carry and install by minimizing its weight and volume by forming a frame structure having gaps at predetermined intervals by a plurality of vertical bars supporting a bar-shaped LED board from the front. In addition, unlike conventional display devices, sound and light are transmitted through the gap formed on the frame, so that the director can freely arrange various effects in the broadcasting or event scene without being restricted by the installation space. Has

Claims (8)

In the multi-display display device installed in various commercial billboards, indoor and outdoor, various performance halls, stages, etc. to output moving images and still images, and to be easily installed and dismantled into multi-screens having various sizes and shapes, A plurality of LED boards having a plurality of LED pixels disposed on the front surface at predetermined intervals in a length direction, and a rod-shaped circuit board having driving elements installed on the rear thereof to drive the respective LED pixels; A fixing frame for supporting each of the LED boards, the upper horizontal bar and the lower horizontal bar respectively supporting the upper part or the lower part, and the left vertical bar and the right vertical bar respectively supporting the left part or the right part; A power supply unit formed at one side of the fixed frame and connected to the driving device and the LED pixel to supply power; And a vertical coupling means and a left and right coupling means formed on one side of the fixed frame to bind the plurality of fixed frames up, down, left and right. The method of claim 1, The upper and lower horizontal bars and the left and right vertical bars of the fixed frame are coupled in the form of a rectangular closed loop, and a plurality of vertical reinforcement bars having a predetermined width and length corresponding to the LED boards are parallel to the left and right vertical bars. Multi-vision LED display device is formed integrally with the upper horizontal bar and the lower horizontal bar at equal intervals. The method of claim 1, The left and right ends of the upper horizontal bar of the fixed frame, and the upper and lower ends of the left vertical bar and the right vertical bar a plurality of shock absorbing member consisting of a sponge and a buffer spring is formed. The method of claim 1, The upper and lower coupling means is fixed to the left vertical bar and the right vertical bar from the side, respectively, the engaging piece formed with a predetermined engaging projection and the insertion hole at the front end, and is installed at both ends of the bottom of the lower horizontal bar, the engaging projection of the engaging piece in the vertical direction An LED display device for multi-vision, characterized in that it comprises an insertion hole to be inserted and a binding pin for fixing the coupling piece to the lower horizontal bar. The method of claim 1, The left and right coupling means may include one or more bolts provided separately, a bolt insertion hole formed to correspond to each of the bolts on the side of the left vertical bar and the right vertical bar, and one of the left vertical bars or the right vertical bar. The LED display device of claim 1, further comprising a bolt fastening tab which is integrally formed inside the bolt insertion hole of the bolt and is inserted into and fastened to each bolt. The method of claim 1, And a plurality of cable entry holes having a predetermined shape through which a power cable and a signal cable pass through the left vertical bar and the right vertical bar of the fixed frame. The method of claim 1, And a plurality of drain holes having a predetermined shape formed on a bottom surface of the lower horizontal bar of the fixed frame. The method of claim 1, LED display device, characterized in that the power supply is accommodated in the inner side of the upper horizontal bar of the fixed frame, the power supply cover is opened and closed by a sliding method.

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