KR100940919B1

KR100940919B1 - Light emitting diode display device

Info

Publication number: KR100940919B1
Application number: KR1020070100599A
Authority: KR
Inventors: 윤영산
Original assignee: (주)베이직테크
Priority date: 2007-10-05
Filing date: 2007-10-05
Publication date: 2010-02-19
Also published as: KR20090035356A

Abstract

The present invention relates to an LED display device, a plurality of LED pixels are provided at a predetermined interval in the N × M matrix on the front and a PCB panel having a plurality of driving elements for driving the LED pixels on the back, and the LED A plurality of insertion holes are formed to correspond to the LED pixels so that the pixels are inserted and exposed to the outside, and a PCB protective cover for protecting the front surface of the PCB panel, and a PCB protective cover for protecting the rear surface of the PCB panel on the front surface. The PCB panel is fixedly coupled to each other, and includes a body part having a built-in power supply unit for supplying power to a driving device connected to the LED pixel, thereby limiting the size and shape of a multi-vision screen required for broadcasting and event sites. At the same time it is easy to install and dismantle.

LED Display, LED Pixel, PCB Panel, PCB Protective Cover, Body, Power Supply

Description

LED display {LIGHT EMITTING DIODE DISPLAY DEVICE}

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 display not only various lights but also images and characters in color, and more particularly, installation and dismantling of small and large screens. The present invention relates to an LED display device that facilitates work.

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, a 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. These multi-vision systems are becoming increasingly important as visual information transmitters 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 installations such as indoor and outdoor display boards, but is generally used for rental of repeating installation and dismantling of 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, a separate large installation space when a plurality of display devices are arranged in a horizontal row to form a large screen Since it requires a lot of weight and volume for each unit display device, there is a problem in that repeated installation and dismantling work during rental is not easy.

In order to solve these problems, recently, display devices using brighter, lighter and more semi-permanent LEDs than conventional multi-display devices using CRT, LCD, DLP, etc. are not only used for outdoor outdoor display boards but also for rental multi-vision displays. It is also used as a trend.

However, since the conventional LED display device has a structure in which a plurality of LED modules consisting of a plurality of LEDs are formed in a predetermined array in a single independent frame, the screen size or the shape of the screen required for rental are changed. Since a separate frame must be produced, there is a problem in that the productivity and the size and shape of the installation screen have to 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. Difficult tasks such as lifting the entire frame upwards.

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.

The present invention has been made to solve the above-described problems, the object of the present invention is to be easy to install and dismantle while at the same time not to be limited to the size and shape of the location of the multi-vision screen required in the broadcast and event site. An LED display is provided.

In order to achieve the above object, the first aspect of the present invention, a plurality of LED pixels are provided at a predetermined interval in the N × M matrix on the front and a plurality of PCBs are installed on the back for driving the LED pixels panel; A plurality of insertion holes formed to correspond to the LED pixels so that the LED pixels are inserted and exposed to the outside, and a PCB protection cover for protecting the front surface of the PCB panel; And a body part in which a PCB panel is fixedly coupled to the front surface of the PCB panel so that the rear surface of the PCB panel is protected, and a power supply unit for supplying power to a driving element connected to the LED pixel. A pair of hinge members protruding integrally with the body portion to the side of the body portion and connecting to the body portion in a horizontal or vertical direction so as to be rotatable; And a hinge shaft that is used to connect the plurality of body parts in a rotatable manner, is detachably inserted into an insertion hole of a hinge member of the body portion, and one end is easily detachable from the hinge member and is bent in an annular shape to be elastically coupled. It is to provide an LED display device comprising.

Here, the power supply unit is made of a printed circuit board mounted with a plurality of electronic components for power supply, one end of the printed circuit board is provided with a power supply connector for receiving external power, one side of the body portion The insertion hole is further formed so that the power supply connector is inserted and exposed to the outside when combined with the printed circuit board.

Preferably, when connecting a plurality of the body portion in a horizontal or vertical direction, a pair of hinge members may be further provided on both left and right ends of each body portion to be rotatable by a hinge axis.

According to a second aspect of the present invention, a plurality of LED pixels are provided at a predetermined interval in an N × M matrix on a front surface thereof, and a PCB panel is provided with a plurality of driving elements for driving the LED pixels on a rear surface thereof; A plurality of insertion holes formed to correspond to the LED pixels so that the LED pixels are inserted and exposed to the outside, and a PCB protection cover for protecting the front surface of the PCB panel; And a body part to which the PCB panel is fixedly coupled to the front surface of the PCB panel so that the rear surface of the PCB panel is protected. When the plurality of the body parts are connected in a horizontal or vertical direction, the body parts are provided at both left and right ends thereof. It is to provide an LED display device characterized in that a pair of hinge members are provided to be rotatable by the hinge axis.

Preferably, a magnet member provided on the rear of the body portion to generate a magnetic force may be further provided.

Preferably, a plurality of through holes may be further formed at the same position on the edges of the PCB panel, the PCB protection cover, and the body part.

Preferably, a data input / output connector for distributing data to the LED pixels is further provided on both rear sides of the PCB panel, and the data input / output connector is inserted at both front sides of the body when combined with the PCB panel. The insertion hole may be further formed at a position corresponding to the data input / output connector so as to be exposed to the outside.

Preferably, when connecting a plurality of the body portion in the vertical and vertical direction, a pair of hinge members may be further provided to be rotatable by hinge shafts on both upper and lower ends of each body portion.

Preferably, each hinge member may be integrally formed with the body portion.

Preferably, the hinge shaft and each hinge member may be screwed to both ends of the hinge shaft in order to prevent separation from each other.

Preferably, one end of the hinge shaft may be bent in a ring shape to be easily detachable from the hinge member and to be elastically coupled.

According to the LED display device of the present invention as described above, a PCB panel equipped with a plurality of LED pixels and driving elements, a PCB protective cover for protecting the front of the PCB panel, a PCB protective cover and the PCB panel is fixedly coupled Since the power supply unit is made of a built-in body, it is easy to install and dismantle at the same time as not limited to the size and shape of the multi-vision screen required for the broadcast and event site.

In addition, according to the present invention, by providing a pair of hinge members on the left / right and / or upper / lower ends of the body portion to be rotatable by a hinge axis, by connecting a plurality of body parts in a horizontal and / or vertical direction, There is an advantage that can freely produce various types of display screen without being restricted by the installation place.

In addition, according to the present invention, by having a magnet member for generating a magnetic force on the rear of the body portion, it can be easily attached to and detached from the iron installed in the indoor and outdoor, there is an advantage that can be easily installed and released.

Further, according to the present invention, by screwing to both ends of the hinge shaft coupled to each hinge member, there is an advantage that the hinge shaft and each hinge member can be prevented from being separated from each other.

In addition, according to the present invention, by forming one end of the hinge shaft in a ring shape so as to be elastically coupled to the hinge member, there is an advantage that the hinge shaft can be easily separated from the hinge member to be quickly and simply installed and released.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the following embodiments of the present invention may be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art.

1 is an exploded perspective view showing an LED display device according to an embodiment of the present invention, Figure 2 is a combined perspective view showing an LED display device according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention 4 is a combined front view illustrating an LED display device according to an embodiment, and FIG. 4 is a combined rear view illustrating an LED display device according to an embodiment of the present invention, and FIG. 5 is a PCB panel applied to an embodiment of the present invention. 6 is a rear view showing a power supply unit applied to an embodiment of the present invention, Figure 7 is a rear view showing a body portion applied to an embodiment of the present invention, Figure 8 is a view of the present invention 9 is a front view illustrating a coupling state of a power supply unit and a body unit applied to an embodiment, and FIG. 9 is an exploded perspective view illustrating an example of a coupling state of a hinge member and a hinge shaft applied to an embodiment of the present invention, FIGS. 10 and FIG. 11 is one embodiment of the present invention Yongdoen a hinge member and showing separation of another example of the hinge shaft coupled state perspective view and a front view combined.

1 to 10, an LED display device according to an exemplary embodiment of the present invention includes a printed circuit board (PCB) panel 100, a PCB protection cover 200, and a body part 300. .

Here, the PCB panel 100 is a square circuit board, and a plurality of LED pixels 110 are arranged on the front surface of the PCB panel 100 in an N × M (N, M = 1, 2, 3, ...) matrix. It is mounted so as to be spaced apart from each other, a plurality of driving elements 120 for controlling the blinking of each LED pixel 110 is mounted on the back of the PCB panel 100 so as to be electrically connected to the LED pixel 110.

Each LED pixel 110 is, for example, a color combination of one or more LED elements emitting three primary colors of red (R), green (G), and blue (B) contained in a circular or rectangular pixel case. It is configured to produce a bit full color of light.

In addition, each LED pixel 110 is properly disposed on the front of the PCB panel 100 so as to be spaced apart by a predetermined interval (preferably, about 1.2 to 1.6 cm) in an 8 × 8, 12 × 12 or 16 × 16 matrix. As a result, the number of LED pixels 110 per unit area of the PCB panel 100 is increased, thereby realizing the design of the integrated PCB more efficiently.

In addition, the edge portion of the PCB panel 100 is fixed to the plurality of first fastening holes 310 formed in the front edge portion of the body portion 300 by conventional fixing means (for example, screws, bolts, etc.). A plurality of second fastening holes 130 are formed at the same size and position as the first fastening holes 310.

In addition, the outer portion of the PCB panel 100 through a plurality of first through holes 320 formed in the front edge portion of the body portion 300 by the usual fixing means (for example, screws, bolts, etc.) A plurality of second through holes 140 are formed at the same size and position as the first through holes 320 so as to be fixedly coupled to the space (for example, a floor, a wall, or a bar).

On the other hand, the second through hole 140 formed in the edge portion of the PCB panel 100 may be used not only for fixing to a specific external space, but also for binding in a horizontal or vertical direction between a plurality of LED display devices.

The second fastening hole 130 and the second through hole 140 may be formed to be spaced apart from each other by a predetermined interval, and the diameter of the second fastening hole 130 is smaller than the diameter of the second through hole 140. Preferably formed.

In addition, the rear side of the PCB panel 100 receives a variety of data for the configuration of the display screen from the outside and distributes to each LED pixel 110, each LED pixel 110 of the other PCB panel 100 connected nearby Data input / output connectors 150a and 150b for outputting may be further provided.

Meanwhile, in an embodiment of the present invention, the PCB panel 100 and the LED pixel 110 are configured and arranged in a square shape, but are not limited thereto. For example, the PCB panel 100 and the LED pixel 110 may be configured and arranged in an oval shape, a circular shape, a triangle shape, a rectangular shape, or a polygonal shape. You may.

And, the PCB protection cover 200 is made of a plate shape of a plastic material, and serves to protect the front of the PCB panel 100 and a part of each LED pixel 110.

On the PCB protection cover 200, a plurality of insertion holes 210 are formed to correspond to each LED pixel 110 so that each LED pixel 110 is inserted and exposed to the outside when the PCB panel 100 is fixedly coupled to the PCB panel 100. have.

In addition, in order to fix the PCB protection cover 200 together with the PCB panel 100 to the body portion 300 by conventional fixing means, the first portion of the body portion 300 is formed at the edge of the PCB protection cover 200. A plurality of third fastening holes 220 are formed at the same size and position as that of the fastening holes 310 and the second fastening holes 130 of the PCB panel 100.

In addition, in order to fix the PCB panel 100, the PCB protection cover 200 and the body portion 300 fixedly coupled to each other by a conventional fixing means to a specific space of the outside in the edge portion of the PCB protection cover 200 A plurality of third through holes 230 are formed at the same size and position as the first through hole 320 of the body part 300 and the second through hole 140 of the PCB panel 100.

In addition, the rear surface of the PCB protection cover 200 of the third through hole 230 so that the gap between the PCB protection cover 200 and the PCB panel 110 can be kept constant when fixedly coupled with the PCB panel 100. The protrusion 240 may be integrally protruded from a part or the entire outer circumferential surface thereof.

The PCB protection cover 200 configured as described above may not only improve the stability of the front display portion of the multi-vision LED display device but also clean up the appearance more beautifully.

In addition, the body part 300 is formed in a square shape of a plastic material in which the front part is partially opened, the PCB together with the PCB protection cover 200 to protect the rear surface of the PCB panel 100 on the front part of the body part 300. It serves to fix the panel 100.

The front panel of the body portion 300 is a PCB panel through the second fastening hole 130 of the PCB panel 100 and the third fastening hole 220 of the PCB protective cover 200 using a conventional fixing means. A plurality of first fastening holes 310 are formed at the same size and position as the second fastening hole 130 and the third fastening hole 220 in order to fix the 100 and the PCB protection cover 200.

In addition, the front edge of the body portion 300, the external through the second through hole 140 of the PCB panel 100 and the third through hole 230 of the PCB protective cover 200 using a conventional fixing means. A plurality of first through holes 320 are formed at the same size and position as that of the second through hole 140 and the third through hole 230 so as to be fixed to the specific space.

Additionally, the inner bottom surface of the body portion 300 may integrally protrude a plurality of protrusion pillars 330 having a coupling groove 330a at the center thereof, and the plurality of protrusion pillars 330 may be described later. The supply unit 400 performs a role of fastening by screwing the coupling groove (330a).

Here, the power supply unit 400 is for supplying power to the driving device 120 connected to each LED pixel 110, a printed circuit board mounted with a plurality of electronic components 410 for power supply , A printed circuit board (PCB), and a power supply connector 420 for receiving external power at one end of the printed circuit board (PCB).

In addition, when the power supply unit 400 is fixedly coupled to the plurality of protruding pillars 330 on one side of the body 300, the power supply connector 420 is inserted so that the power supply connector can be exposed to the outside. The hole 340 may be further formed.

In addition, data input / output connectors 150a and 150b provided on the rear surface of the PCB panel 100 may be inserted into both front sides of the body part 300 to be exposed to the outside. The data input / output connector insertion holes 350a and 350b may be further formed at positions corresponding to the data input / output connectors 150a and 150b.

In addition, when connecting a plurality of body portion 300 in the horizontal and / or vertical direction, the center to be rotated by the hinge shaft 500, respectively on the left / right and / or upper / lower ends of each body portion 300 A pair of hinge members 600a and 600b having insertion holes 610a and 610b may be further provided, and the pair of hinge members 600a and 600b are integrally formed with the body 300. It is preferable to protrude.

On the other hand, the pair of hinge members (600a, 600b) provided on each of the left / right and / or upper / lower ends of each of the body portion 300 are arranged to be offset from each other, so that the body portion 300 of the same shape is horizontal And / or it can be connected in plurality in the vertical direction.

And, as shown in Figure 9, by the hinge shaft 500, a pair of hinge members (600a, 600b) provided in the different body portion 300 of the same shape is coupled to each other in the hinge shaft ( In order to prevent the 500 from being easily separated from the insertion holes 610a and 610b formed in the pair of hinge members 600a and 600b, the screws N may be fastened to both ends of the hinge shaft 500, respectively. have.

10 and 11, when the hinge shaft 500 is detachably coupled to a pair of hinge members 600a and 600b provided in different body parts 300 of the same shape. In addition, the hinge shaft 500 may be easily formed on the pair of hinge members 600a and 600b and may be formed by bending one end of the hinge shaft 500 in a ring shape 510 so as to be elastically coupled to the hinge shaft 500. have.

In addition, the rear side of the body portion 300 is further provided with a magnet member 700 for generating a predetermined magnetic force, so that it can be easily attached and detached to the iron portion installed in the indoor and outdoor, and the LED display device of the present invention more It can be easily installed and removed.

On the other hand, the LED display device according to an embodiment of the present invention is preferably implemented in the front of the horizontal × vertical 150mm × 150mm, but is not limited to this, for example, a variety of 150mm × 300mm, 150 × 600mm, 150mm × 900mm It can also be implemented in size.

Hereinafter, the operation and various installation forms when the LED display device according to an embodiment is connected in plural will be described in detail.

12 is a side view illustrating various bending states by connecting a plurality of LED display devices according to an exemplary embodiment of the present invention.

Referring to FIG. 12, a plurality of body parts 300 having the same shape may be connected in one direction by using a pair of hinge members 600a and 600b provided in the hinge shaft 500 and the body part 300. In this case, each body portion 300 is bent at various angles by rotating in the front / rear direction by the hinge shaft 500 and a pair of hinge members (600a, 600b), multi-vision required in the broadcast and event scene There is an effect that can easily produce a variety of display screens freely without being restricted by the size and shape of the installation place.

FIG. 13 is a front view illustrating a state in which a plurality of LED display devices are connected in a horizontal direction, and FIG. 14 illustrates a state in which a plurality of LED display devices according to an embodiment of the present invention are connected in a vertical direction. 15 is a front view illustrating a state in which a plurality of LED display devices are connected in a horizontal and vertical direction according to an embodiment of the present invention.

Referring to FIGS. 13 to 15, a pair may be rotatable by hinge shafts 500 at both left and right sides and / or both top and bottom ends of the body 300 of the LED display device according to an exemplary embodiment. Hinges 600a and 600b of the plurality of body parts 300 of the same shape by connecting a plurality in the horizontal and / or vertical direction, the size and shape of the multi-vision screen required in the broadcast and event site installation places, etc. There is an effect that can easily produce a variety of display screen freely without receiving.

While a preferred embodiment of the LED display device according to the present invention has been described above, the present invention is not limited thereto, and the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

1 is an exploded perspective view showing an LED display device according to an embodiment of the present invention.

2 is a perspective view showing a combined LED display device according to an embodiment of the present invention.

3 is a combined front view showing an LED display device according to an embodiment of the present invention.

Figure 4 is a combined rear view showing an LED display device according to an embodiment of the present invention.

Figure 5 is a rear view showing a PCB panel applied to an embodiment of the present invention.

Figure 6 is a rear view showing a power supply applied to an embodiment of the present invention.

Figure 7 is a rear view showing the body portion applied to an embodiment of the present invention.

Figure 8 is a front view showing a coupling state of the power supply and the body portion applied to an embodiment of the present invention.

Figure 9 is an exploded perspective view showing an example of a coupling state of the hinge member and the hinge shaft applied to an embodiment of the present invention.

10 and 11 are an exploded perspective view and a coupling front view showing another example of the coupling state of the hinge member and the hinge shaft applied to an embodiment of the present invention.

12 is a side view illustrating various bending states in which a plurality of LED display devices are connected according to an embodiment of the present invention.

FIG. 13 is a front view illustrating a state in which a plurality of LED display devices are connected in a horizontal direction according to an exemplary embodiment of the present invention. FIG.

14 is a front view illustrating a state in which a plurality of LED display devices according to an embodiment of the present invention are connected in a vertical direction.

15 is a front view showing a state in which a plurality of LED display devices connected in a horizontal and vertical direction according to an embodiment of the present invention.

Claims

A PCB panel in which a plurality of LED pixels are installed at predetermined intervals in an N × M matrix on the front surface and a plurality of driving elements are installed on the rear surface to drive the LED pixels;

A plurality of insertion holes formed to correspond to the LED pixels so that the LED pixels are inserted and exposed to the outside, and a PCB protection cover for protecting the front surface of the PCB panel; And

A body part having a power supply unit for fixing power to a driving device connected to the LED pixel, wherein the PCB panel is fixedly coupled to the front surface of the PCB panel so as to protect the rear surface of the PCB panel;

In order to connect the plurality of body parts in a horizontal or vertical direction to be rotatable, a pair of hinge members 600a protruding integrally with the body part to the side of the body part and having insertion holes 610a and 610b in the center thereof. 600b; And

It is used to connect the plurality of the body portion rotatably, is detachably inserted into the insertion hole of the hinge member (600a, 600b) of the body portion, one end is easily detachable from the hinge member, and also has a ring shape to be elastically coupled LED display device comprising a hinge axis (500) bent by (510).

The method of claim 1,

The power supply unit includes a printed circuit board on which a plurality of electronic components for power supply are mounted, and a power supply connector for receiving external power at one end of the printed circuit board, wherein the power supply connector is provided at one side of the body part. The LED display device, characterized in that the insertion hole is further formed so that the power supply connector is inserted and exposed to the outside when combined with the printed circuit board.

delete

The method according to claim 1 or 2,

Data input / output connectors for distributing data to the LED pixels are further provided at both sides of the rear panel of the PCB panel, and the data input / output connector is inserted into both front surfaces of the body to expose the outside to the outside. And an insertion hole further formed at a position corresponding to the data input / output connector.

delete