KR100751898B1 - Frame structure of display device using led - Google Patents

Abstract

A frame structure of an LED(Light Emitting Diode) electric signboard is provided to dispose the electric signboard at various angles by making the plane of the outline frame in a ladder form and to exchange the electric signboard by separating a thin plate-type main frame from the outline frame. In a frame structure of an LED electric signboard, a ladder-shaped horizontal frame(120) comprises a pair of horizontal bars(121,122) installed in the front and rear sides with facing each other and an inclined bar(123) obliquely installed to connect both ends of the horizontal bars. A bent vertical frame(130) has a bent piece(131) formed by bending outward the end portion and provided with a fixing hole(132) and a reinforcing piece(140) integrated with a fan screw nut(N) and combined in the rear side of one edge to improve combining force in joining a main frame(150). The reinforcing piece comprises upper and lower reinforcing pieces(142) joined to the upper and lower parts of one edge of the vertical frame and a center reinforcing piece(144) joined in the center of one edge of the vertical frame and connected to the other side of the vertical frame, wherein a center portion of the vertical frame is extended and bent. A placing piece(152) is formed in the main frame to place and join an LED board(160).

Description

Frame structure of LED display board {Frame structure of display device using LED}

1 is a perspective view showing a conventional LED display.

Figure 2 is a side cross-sectional view showing a conventional LED display.

3 is an exploded perspective view of the LED display board according to the first embodiment of the present invention.

Figure 4 is a perspective view of the LED display board combined according to the first embodiment of the present invention.

5 is a front view of the LED display board according to the first embodiment of the present invention.

6 is a plan view of the LED display board according to the first embodiment of the present invention.

7, 8 and 9 are diagrams illustrating a state of use of the LED display board according to the first embodiment of the present invention.

10 is a state diagram used in the main frame of the LED display board according to the second embodiment of the present invention.

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

100: LED Display Board 110: Outer Frame

120: horizontal frame 130: vertical frame

140: reinforcing piece 150: main frame

152: Settlement 160: LED Board

165 control unit 170 auxiliary cover

180 housing 190 connection member

200: up and down connecting means 210: seating member

220: locking member 230: locking member

300: side expansion means 310: first fixing ball

320: second fixing sphere 330: angle changing member

332: ball planar 334: shaft axis

336: angle adjustment section 338: angle adjustment hole

The present invention relates to an LED display board, and more particularly, consisting of an aluminum outer frame and a main frame to significantly reduce the weight, the main frame is separated from the outer frame frame structure of the LED display board easy to replace when defective It is about.

In general, companies use a variety of advertising means in order to inform consumers that they are superior and excellent for their business name and product through advertisement, especially the light emitting means in which the LED (LED) installed inside the fixed frame is fixedly arranged. LED signboards are formed in such a way as to illuminate the text of the advertisement by using them. The LED signboard is usually formed by combining a plurality of pixel panels horizontally and vertically, each of which has 16 pixels inserted in the horizontal direction. The protective floodlight plate is attached to the front side, and the rear panel protecting the rear side of the billboard is attached to the rear side, and the outside of the billboard to which the floodlight plate and the back plate are attached is fixed to the frame. Therefore, it is suitable to catch the eyes of many people at the same time without distinguishing between indoor and outdoor, the use trend is increasing significantly.

Meanwhile, the frame fixing the outside of the LED signboard is a means for protecting the pixel panel, the floodlight panel and the back panel of the signboard and installing and supporting the display board indoors or outdoors. The importance is also growing, and technology development is in progress.

1 is a perspective view showing a conventional LED sign, Figure 2 is a side cross-sectional view showing a conventional LED sign.

As shown, the conventional LED display board 1 is composed of a rectangular frame 10 and the LED board 20 is coupled to the frame 10 by a bolt.

The control unit 30 is provided inside the frame 10 and transmits data to the LED board 20 by a cable.

That is, the controller 30 receives and converts data transmitted from a computer or an image output apparatus linked to the computer, and transmits the converted data to the LED board 20 to display the information. Done.

In addition, a light transmitting plate 12 is installed on the front surface of the frame 10 to express information displayed on the LED board 20, and a rear plate 14 is installed on the rear surface of the frame 10. Should not be visible.

According to the conventional LED display board, the frame had to be made large in order to maximize the advertising effect, and the large sized display board was quickly replaced by various events such as broadcasting stations requiring rapid installation and dismantling of the display board due to its weight. There is a risk of breakage because it is impossible to transform into a unique and distinctive display board that is suitable for the atmosphere, decoration and decoration.

In addition, in the case of loading and using a plurality of display boards in order to form a large display board, there was a problem that it is inconvenient to replace when one of the display boards is defective, and when the angle is changed when the side is expanded by using a frame having a thick thick square, There was a gap between the gap, which adversely affects the advertising effect.

Therefore, the present invention is devised to solve the above problems, the present invention is made of aluminum material, greatly reduced the weight by the outer frame and the main frame consisting of only the border, the planar shape of the outer frame trapezoidal shape By providing a variety of angles, the main frame is formed in a thin plate shape, and can be separated from the outer frame, can be used individually, providing a frame structure of the LED signboard easy to replace in case of failure For the purpose of

The present invention for achieving the above object is made of a frame-shaped outer frame, and a plate-shaped main frame provided on the front surface of the outer frame, the LED board is installed by the control unit on the front surface, The main frame may be separated from the outer frame.

The outer frame and the main frame is made of an aluminum material, the LED board is characterized in that the bolt is coupled to the main frame can be separated.

The outer frame is composed of a horizontal frame formed parallel to each other on the upper and lower sides facing each other, and a vertical frame coupled to both sides of the horizontal frame, the horizontal frame is a pair of horizontal bars facing before and after, Connecting both ends of the horizontal bar, it is characterized by having a trapezoidal shape consisting of an inclined bar formed inclined.

A mounting piece is formed in the main frame so that the LED board is seated and coupled.

And, the seating piece is formed extending into the inner side of the main frame, formed across the center of the main frame, the fastening hole for fixing the LED board to a position corresponding to the edge of the LED board on the seating piece Is formed, the fastening hole is integrally formed with the pan nut.

A front cover of the main frame is further provided with an auxiliary cover forming an LED opening hole so that the LED of the LED board protrudes to the front side.

According to the above structure, the width of the frame by the plate shape is greatly reduced, made of aluminum material to reduce the weight, can be installed at various angles when multiple arrangements have the advantage of maximizing the advertising effect.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

In addition, the present embodiment is not intended to limit the scope of the present invention, but is presented by way of example only, and the components having the same construction and operation as the conventional invention use the same symbols or names.

3 is an exploded perspective view of the LED display board according to the first embodiment of the present invention, Figure 4 is a perspective view of the LED display board combined according to the first embodiment of the present invention, Figure 5 is a first embodiment of the present invention 6 is a top view of the LED display board, and FIG. 6 is a plan view of the LED display board according to the first embodiment of the present invention, and FIGS. 7, 8, and 9 are diagrams showing a state of use of the LED display board according to the first embodiment of the present invention.

As shown, the LED display board 100 according to the present invention is provided in the frame-shaped outer frame 110, the front of the outer frame 110, the LED board that is emitted by the control unit 165 on the front ( It consists of a plate-shaped main frame 150 is installed 160, characterized in that the main frame 150 is removable from the outer frame 110.

Preferably, the outer frame 110 and the main frame 150 are made of aluminum, and the LED board 160 is bolted to the main frame 150 to be detachable.

The outer frame 110 is made of only the edge of the outermost edge in order to minimize the sense of weight, the outer frame 110 is formed in parallel with each other on the upper and lower horizontal frame 120 and the horizontal frame ( The vertical frame 130 is coupled to both sides of the 120, respectively.

The horizontal frame 120 and the vertical frame 130 are integrally formed by combining the contacting portions by rivets.

The horizontal frame 120 connects both ends of the first and second horizontal bars 121 and 122 to face each other before and after, and the inclined bar 123 formed to be inclined to connect the both ends of the first and second horizontal bars 121 and 122, respectively. Is made of.

The first and second horizontal bars 121 and 122 are formed with a long first horizontal bar 121 and a short second horizontal bar 122, and the inclined bar 123 is formed with the first and second horizontal bars 121 and 122. Connected to each end of the to keep the inclination becomes narrower toward the rear side so that the horizontal frame 120 is formed in a trapezoid when viewed in plan, and has a constant width.

It is preferable that the support piece 124 is formed between the first and second horizontal bars 121 and 122 to reinforce the strength.

In addition, the first horizontal bar 121 of the horizontal frame 120 has a connection piece 125 extending to one side to facilitate the coupling by widening the contact area with the vertical frame 130.

That is, the connecting piece 125 of the horizontal frame 120 provided in the upper portion extends downward and the connecting piece 125 of the horizontal frame 120 provided in the lower portion extends upward.

The vertical frame 130 is bent in a planar shape 'b' shape, the end is bent outward again to form a bending piece 131.

The bending piece 131 is preferably formed with a fixing hole 132 to be inserted and fixed to the projection (P) arbitrarily formed in the fixed body.

One side of the protrusion (P) is fixed to the fixed body, the other side is preferably made of a large diameter head portion, the fixing hole 132 is a guide hole having a large diameter to facilitate insertion of the protrusion (P) 133 and a mounting hole 134 having a small diameter so as to extend upward from the guide hole 133 so that the head of the end of the protrusion P is not separated outward.

The upper and lower ends of the vertical frame 130 are coupled to the inner surface of the horizontal frame 120 by rivets.

That is, the upper and lower front surfaces of the vertical frame 130 are coupled to the inner surface of the first horizontal bar 121 of the horizontal frame 120 by a rivet, and the upper and lower portions of the bent piece 131 are the second horizontal. The inner surface of the bar 122 abuts and is joined by rivets.

In addition, in the combined state of the vertical frame 130 and the horizontal frame 120, the installation piece 135 is formed so that the upper and lower connecting means 200 is installed on the upper and lower surfaces facing the vertical frame 130.

The rear side of the installation piece 135 is coupled to the connection reinforcing piece 136, the pan nut (N) is formed integrally.

The vertical connecting means 200 are respectively coupled to the mounting member 135 formed on the upper and lower portions of the outer frame 110, and to be engaged with each other, the mounting member 210 and the mounting member 210, respectively, The seating member 210 is made of a locking member 220 for locking in the engaged state.

In addition, the seating member 210 is fixed to the installation piece 135 on the upper portion of the outer frame 110 and has a first seating hole 212 having an uneven protrusion 214, and the first seating hole 212 and It is symmetrically fixed to the installation piece 135 of the lower portion of the outer frame 110 and consists of a second seating hole 216 is formed with a concave-convex groove 218 to engage with the concave-convex protrusion 214.

The locking member 220 is a locking projection 222 is coupled to the upper portion of the seating member 210, and the locking projection coupled to the lower portion of the seating member 210 to be selectively caught with the locking projection 222 Member 230.

The locking member 230 is extended to both sides and the bracket 232 having a hinge hole 231 in the center, the hinge 234 is hinged to the hinge hole 231 of the bracket 232 and rotated; A connecting bar 236 hinged across the center of the lever 234 and a hook portion 238 is formed at the end of the connecting bar 236 so as to be caught by the locking protrusion 222 at an end thereof. According to the operation of the lever 234 is made of a hook 237 that is caught or separated from the locking projection 222.

Preferably, the hook 237 is formed with a screw thread 239 on the other outer periphery of the hook portion 238 and screwed to the center of the connecting bar 236.

In addition, the hook portion 238 is characterized in that the hinge is connected to the end of the hook 237.

On the other hand, the main frame 150 is bolted to the front of the outer frame 110 is detachable structure.

Coupling holes 102 are formed at both edges of the outer frame 110 so that the main frame 150 is coupled by bolts.

At this time, the back of the vertical frame 130, that is, the rear of the coupling hole 102 is provided with a reinforcing piece 140 formed with a pan nut (N) integrally to form a deep depth of the coupling hole 102 bolt Improves tightening force when engaged.

The reinforcing piece 140 is coupled to the upper and lower reinforcing piece 142 is coupled to the upper and lower edges of one side of the vertical frame 130, and coupled to the center of one side edge of the vertical frame 130, the central portion is extended to one side bent It consists of a central reinforcing piece 144 formed to be connected to the other side of the vertical frame 130, and serves to support the vertical frame 130.

The upper and lower reinforcing pieces 142 are bar-shaped, the central reinforcing piece 144 is formed integrally by the rivet to the vertical frame 130 in a 'T' shape.

In addition, a mounting piece 152 is formed in the main frame 150 so that the LED board 160 is seated therein.

The seating piece 152 extends inwardly of the main frame 150 and is formed across the center of the main frame 150.

In addition, the mounting piece 152 has a fastening hole 154 for fixing the LED board 160 at a position corresponding to the edge of the LED board 160.

The pan nut N is integrally fixed to the fastening hole 154, and the LED board 160 is fixed to the main frame 150 as the bolt penetrating the LED board 160 is coupled.

The LED board 160 is coupled to a plurality of arranged on the front of the main frame 150. In the present invention, four LED boards 150 are arranged and coupled as shown in the figure.

In addition, the front cover of the main frame 150 is further provided with an auxiliary cover 170 having an LED opening hole 172 to open the LED 162 of the LED board 160 to the front.

The auxiliary cover 170 is coupled to cover the LED boards 160, respectively, and the auxiliary cover 170 has a predetermined thickness so that the LED 162 is moved to the outside through the LED opening hole 172. It is desirable not to protrude.

In addition, the overlapping portions of the auxiliary cover 170, the LED board 160, the main frame 150 and the outer frame 110 is preferably fastened together by one bolt.

The housing 180 having the control unit 165 therein is formed in the rear center portion of the main frame 150.

The housing 180 has a space therein and is opened at the front thereof, and a control unit 165 is provided in the interior space. The control unit 165 receives data transmitted from an image output device and a computer and the LED board 160. ) Into appropriate data that can be expressed.

In addition, a lower surface of the housing 180 includes a power input / output terminal 182 for supplying power to the controller 165, and a data input / output terminal 184 for receiving data of an image output device or a computer from the controller 165. Is provided.

In addition, the lower surface of the housing 180 is provided with a position control button 185 for setting the position, the rear of the housing 180 is a display unit (not shown) to show the value manipulated by the position control button 185 H) is provided.

In addition, the housing 180 is bolted to the back of the main frame 150 is formed with a coupling piece 181 formed with a bolt hole outside the edge, the planar shape of the housing 180 is the horizontal frame ( 120 is made of the same trapezoidal shape.

Both edges of the outer frame 110 are provided with separate side extension means 300 to extend the outer frame 110 'to the side while changing the angle.

The side extension means 300 is coupled to the first and second fixtures 310 and 320 provided at both edges of the outer frame 110, and the first and second fixtures 310 and 320, respectively. At the same time as connecting the fixtures 310,320 consists of an angle changing member 330 that can selectively change the angle.

The first and second fasteners 310 and 320 are formed in a triangular shape and fixed to the edge of the outer frame 110 on the inclined surface by bolts on the upper surface of the housing 180 installed at the rear center of the LED display panel 100. Combined.

The angle changing member 330 is provided on the ball planar 332 provided in the first fixture 310, the shaft shaft 334 coupled to the second fixture 320, and the shaft shaft 334 One end is coupled to rotate and a plurality of angle adjustment hole 338 is formed therein, the ball of the ball planar 332 is selectively coupled to the angle adjustment hole 338 angle adjustment piece 336 is changed in angle Is done.

The ball planar 332 is configured in connection with the spring and the ball, the ball is supported by the elastic force of the spring.

The ball planar 332 is screwed to the housing 180 through the first fixture 310, the shaft shaft 334 is penetrated through the second fixture 320 to the housing 180 Screwed on.

Preferably, the first and second fixtures 310 and 320 are fixed to the upper side of the housing 180 provided on the rear side of the outer frame 110 and the fixing plate 312, coupled to the upper portion of the fixing plate 312 And a fixing cover 314 to prevent the angle changing member 330 from being separated. A portion of the fixing plate 312 is cut to form a stepped portion 313 to form a space when the fixing cover 314 is coupled. It is characterized by forming.

The angle adjusting piece 336 is made of a boomerang shape, the stepped surface 313a of the stepped portion 313 is formed to be symmetrical with a portion of the angle adjusting piece 336 is in contact with each other when adjusting the angle The angle of rotation of the piece 336 is limited.

On the other hand, Figure 10 is a state diagram using the main frame of the LED display board according to the second embodiment of the present invention.

As shown in FIG. 10, the main frame 150 is separated from the outer frame 110 and can be used independently, and is connected in multiple stages by the connection member 190.

The connection member 190 includes a connection hole 192 formed at upper and lower edges of the main frame 150 and a connection ring 194 connecting the connection hole 192 to each other.

Hereinafter, the operation and effects of the LED display board according to the present invention.

First, the horizontal frame 120 is provided on the upper and lower parts, and the vertical frame 130 is positioned to be in contact with both sides of the horizontal frame 130, and then the parts that are in contact with each other by combining by a rivet to the outer frame 110 To produce.

In addition, the housing 180 having the control unit 165 therein is coupled to the rear center portion of the main frame 110.

A coupling piece 181 having a bolt hole is formed at an edge of the housing 180 to be bolted to the rear surface of the main frame 150.

Thereafter, the LED board 160 and the auxiliary cover 170 are sequentially coupled to the front of the main frame 150.

In this case, after the data cable connected to the controller 165 is connected to the LED board 160, the LED board 160 and the auxiliary cover 170 are coupled to the mounting piece 152 of the main frame 150.

The pan nut N is fixed to the fastening hole 154 of the seating piece 152 to improve the binding force.

The main frame 150 is bolted to the main frame 150 and the outer frame 110 in a state in which the housing 180, the LED board 160, and the auxiliary cover 170 are coupled to the main frame 150.

The main frame 150 is coupled through the coupling hole 102 formed at the edge of the outer frame 110, the pan nut (N) is integrally formed on the rear of the coupling hole 102 of the outer frame 110 The reinforcing piece 140 is formed to improve the fastening force when the bolt is coupled.

The reinforcing piece 140 consists of the upper and lower reinforcing pieces 142 and the central reinforcing piece 144. The central reinforcing piece 144 extends inclined to one side and is coupled to the vertical frame 130 to improve the bearing force.

The LED signboard 100 assembled as described above is the outer frame 110 and the main frame 150 is made of aluminum, not only can significantly reduce the weight by a hollow state consisting of the rim has a constant width It can be used upright without a separate support.

In addition, as shown in Figure 9 can be used to hang on the projection (P) formed arbitrarily by the fixing hole 132 formed in the bending piece 131 of the vertical frame (130).

The fixing hole 132 extends from the wide guide hole 133 and the guide hole 133 to be provided with a narrow mounting hole 134 to provide convenience for the user to easily hang.

When replacement is required due to a failure of the main frame 150, if only the bolt of the coupling hole 102 is dismantled, the main frame 150 may be separated and replaced in the outer frame 110.

In addition, when only one of the four LED boards 160 coupled to the front of the main frame 150 is defective, the main frame 150 and the outer frame 110 are coupled to each other. The bolt and the bolt of the fastening hole 154 may be disassembled to replace and replace the auxiliary cover 170 and the LED board 160.

This is possible because only the coupling hole 102 formed at the edge of the mounting piece 152 of the main frame 150 of the coupling hole 102 is coupled to the outer frame 110.

As such, since only a part corresponding to any part failure can be replaced, there is an advantage in that the part can be quickly responded to a defective part.

In addition, as shown in Figure 7 or 8, the installation piece 135 of the vertical frame 130 is provided with a vertical connecting means 200, the side edge of the vertical frame 130, a separate side expansion means 300 is provided and can be used to extend the plurality of LED display board 100.

When another LED display plate 100 'is stacked on the LED display plate 100, mounting members 210 respectively formed on upper and lower portions of the vertical frame 130 are engaged with each other and seated.

The seating member 210 includes a first seating hole 212 and a second seating hole 216. An uneven protrusion 214 is formed on an upper surface of the first seating hole 212. Uneven grooves 218 are formed on the lower surface of the sphere 216 so that when the LED display panels 100 are stacked, they are easily engaged with each other.

Then, when the lever 234 is rotated about the hinge hole 231 of the bracket 232 to raise the upper portion, the engaging ring 237 screwed to the connecting bar 236 is the locking projection ( Close to 222 hangs the hook portion 238 formed at the end of the hook 237 to the locking protrusion 222 is locked by lowering the lever 234 downward.

In addition, the LED display panel 100 may be extended to the side using the side extension means 300.

The first and second fixtures 310 and 320 are coupled to an upper surface of an edge of the housing 180 installed at the rear of the outer frame 110, and the LED fixtures 100 ′ adjacent to the first fixture 310 are formed. By connecting the second fixture 320 by the angle adjusting piece 336, it is extended to the side.

When the user expands the LED display panel 100 to the side and to a different angle, the fixing cover 314 of the second fixture 320 is removed and then the angles of the LED display panels 100 and 100 'are arranged at a desired angle. When the ball of the ball planar 332 provided in the second fixing sphere 320 is inserted into the angle adjusting hole 338 of the other side of the angle adjusting piece 336 LED display boards (100, 100 ') You can change them at different angles.

This is because the first fixture 310 is provided with a shaft shaft 334, one side of the angle adjusting piece 336 is possible to be coupled to rotate in the shaft shaft 334.

In addition, the fixing plate 312 is formed with a stepped portion 313 for limiting the rotation angle of the angle adjustment piece 336 is to limit the rotation of the angle adjustment piece 336 it is possible to change the stable angle.

By stacking a plurality of LED display boards by the vertical expansion means 200 in the above manner, and by arranging a plurality of LED display panels 100 to the side by the side expansion means 300, a large LED display board is provided.

Furthermore, when the LED display panel 100 is extended to the side by the side extension means 300 and disposed, the LED display panel 100 may be arranged at a predetermined angle, and the curved surface or the curved surface may be bent by the plate shape of the main frame 150. You can tell the true image as a smoothly following image.

This is possible because the planar shape of the outer frame 110 is formed in a trapezoid.

Meanwhile, as shown in FIG. 10, since only the main frame 150 may be separated from the outer frame 110, replacement and maintenance of the main frame 110 may be easy, and only the main frame 150 may be separated. There is an advantage that can be used independently.

FIG. 10 is a view illustrating a state in which only the main frame 150 is used independently and may be extended in multiple stages by the connection member 190 under the main frame 150.

Therefore, the present invention is devised to solve the above problems, the present invention is made of aluminum material, greatly reduced the weight by the outer frame and the main frame consisting of only the border, the planar shape of the outer frame trapezoidal shape By doing so, it can be arranged at various angles, the main frame is formed in a thin plate shape, and can be separated from the outer frame, can be used separately, there is an advantage that can be replaced easily in case of failure.

In addition, since the fixing hole is formed on the bending piece of the vertical frame and can be used on the arbitrarily formed protrusion of the fixed body, there is an advantage that it can be used indoors or outdoors.

In addition, a plurality of LED boards on the front of the main frame and corresponding sub-covers that protect the LED boards corresponding to the structure that can be separated separately from the main frame has the advantage that it is easy to replace only the desired parts.

In addition, the LED of the LED board does not protrude forward by the thickness of the auxiliary cover has the advantage of reducing the direct damage to the LED.

In addition, each fastening hole of the seating piece is provided with a pan nut integrally formed, and the coupling hole of the outer frame is provided with a reinforcing piece integrally formed with a pan nut integrally to secure the fastening depth when assembling the bolt to improve the fastening force.

Claims (14)

The outer frame of the frame shape consisting of a horizontal frame formed parallel to each other on the upper and lower sides facing each other, and a vertical frame coupled to both sides of the horizontal frame, and provided on the front of the outer frame, by a controller on the front In the frame structure of the LED display board made of a plate-shaped main frame provided with a light-emitting LED board, the main frame is removable from the outer frame, The horizontal frame is a trapezoidal shape consisting of a pair of horizontal bars facing the front and rear, and the inclined bar is formed inclined to connect both ends of the horizontal bar; The vertical frame is bent and formed, the end is bent back to the outside to form a bending piece having a fixing hole, one side rear end is coupled to the reinforcing piece integrally formed with a pan nut to improve the fastening force when the main frame is coupled; The reinforcing piece is coupled to the upper and lower reinforcing piece coupled to the upper and lower edges of the vertical frame; A center reinforcing piece which is coupled to the center of one side edge of the vertical frame and is formed to be connected to the other side of the bent vertical frame with a central portion extending to one side; The inside of the main frame frame structure of the LED signboard, characterized in that the mounting piece is formed so that the LED board is seated and coupled. The method of claim 1, LED frame, characterized in that the outer frame and the main frame is made of aluminum, made of only a border. delete delete The method of claim 1, Both ends of the horizontal bar frame structure of the LED signboard, characterized in that to form a connection piece extending in one vertical direction. delete delete delete The method of claim 1, Installation pieces are formed on the inner upper and lower portions of the vertical frame; The installation piece is coupled to the upper and lower connecting means frame structure of the LED signboard, characterized in that for extending the further outer frame up and down. delete The method of claim 1, The seating piece is formed extending inwardly of the main frame, the frame structure of the LED signboard, characterized in that formed across the center of the main frame. The method of claim 1, The mounting piece is formed with a fastening hole for fixing the LED board at a position corresponding to the edge of the LED board; Frame structure of the LED display board, characterized in that the fastening hole is formed integrally with the pan nut. According to claim 1, LED display board, characterized in that the front surface of the main frame is further provided with an auxiliary cover forming an LED opening hole so that the LED of the LED board to the front. The method of claim 1, The main frame is separated from the outer frame can be used independently, the LED display board, characterized in that connected in multiple stages by a connecting member.

Images