KR100929884B1 - Led displayer for outdoor installation - Google Patents

Abstract

PURPOSE: An LED displayer for an outdoor installation block is provided to facilitate an installation and separation operation of a total LED displayer by integrally forming a proximity sensor and an LED. CONSTITUTION: An LED is mounted on an LED printed circuit board(411). A bottom case supports the LED printed circuit board, and forms an outer body. An LED lens part(43) is coupled in a top side of the LED printed circuit board, and induces a light emitted in the LED. A light transmitting part is coupled in a top part of the LED lens part, protects the LED and the LED printed circuit board, and is made of a transparent material or a translucent material. An object detecting sensor(45) is positioned in the LED printed circuit board, and detects an object positioned in a top part of the light transmitting part.

Description

LED display for outdoor installation block {LED DISPLAYER FOR OUTDOOR INSTALLATION}

The present invention relates to an LED display, and more specifically, because it is made of a separate module having a waterproof sealing structure to be installed outdoors, moisture does not penetrate inside even by rain or fountain water, so that lighting operation is made stable. The present invention relates to an LED display for an outdoor installation block, which is easy to install and disassemble of an entire LED display and is easy to repair because it is made of a single module.

In general, the lighting device is to function to illuminate the outside, mainly at night.

In recent years, a large number of lighting devices using LEDs are used, and the LED lighting devices are used as a means of transmitting various colors and information with a function of simply illuminating the surroundings.

However, most LED lighting devices are easily broken, and are used in places where the user is not in close proximity, or are mainly applied indoors.

In particular, when installed as a lighting system, because the entire installation is installed in a single structure, the installation work is difficult, complicated, and the installation period takes a considerable time, there are many problems in the installation work.

In addition, the repair process is complicated because repairs are required for the entire structure.

And when such a lighting facility is installed outdoors, especially when the floor lighting is installed, there is a problem that the LED lighting operation may malfunction because the ambient temperature is high in the hot summer.

The present invention for solving the above problems relates to the LED display installed in the outdoors, because it is made of a separate module having a waterproof and sealed structure, the moisture does not penetrate inside even by the water of rain or fountain, lighting operation The purpose is to make this stable.

In addition, when installed in the outdoor floor lighting, the ventilation member for cooling together with the LED lighting member is provided to ensure stable operation even in the hot summer, and because the user is approached by the proximity sensor, according to the stable signal detection The purpose is to be able to see a variety of images with lighting fixtures, so as to be illuminated with a variety of images and colors.

Furthermore, since the proximity sensor for detecting the user's proximity and the LED for light emission are composed of one single module and installed in a combination of a plurality of single modules, it is easy to install and disassemble the entire LED display. The purpose is to make repair work convenient.

LED display for outdoor installation block according to the present invention for achieving the above object is provided with an LED PC 411 on which the LED 41 is mounted, supporting the bottom of the LED PC 411, the outer body A bottom case 42 is formed, and the LED lens unit 43 is coupled to the upper side of the LED 411 to guide the light emitted from the LED, and the upper portion of the LED lens unit 43 is provided. It is coupled to protect the LED 41 and the LED CB 411 and is provided with a light-transmitting portion 44 made of a transparent material or a translucent material, the LED portion 411 is located in the light-transmitting portion 44 Characterized in that the object detecting sensor 45 for detecting the object located at the top of the.

One end of the bottom case 42 is provided so that the stopper 421 is coupled, the waterproofing agent 422 is provided to be introduced into the bottom case 42 through the stopper 421, the waterproofing agent 422 The LED 41 and the LED CB 411 may surround the LED 41 and the LED case 411, and may be provided to be positioned in an interior sealed by the light transmitting part 44 and the bottom case 42.

In addition, a plurality of the bottom case 42 and the light-transmitting portion 44 in which the LED 41 and the LED PC 411 are embedded are provided, and the LED display layer 31 is provided, and the LED display layer 31 is provided. Ventilation space 32 is formed at the bottom of the), one or a plurality of ventilation fans 33 may be provided in the ventilation space 32, and receives the signal detected from the object sensor 45 The controller 10 is provided to control the LED 41 to be turned on, and the LED driver 412 included in the LED 411 receives a control signal from the controller 10 to receive the LED 41. Is provided to turn on, and the control unit 10 receives the high temperature detection signal from the temperature sensor 22 installed in the LED display layer 31 or the ventilation space 32, the ventilation fan 33 It may be provided to operate.

Furthermore, the control method of the LED display for outdoor installation block according to the present invention,

An LED PC 411 in which the LED 41 is mounted is provided in an interior sealed by the light transmitting part 44 and the bottom case 42, and an object in the object detecting sensor 45 provided in the LED CB 411. Detecting the object (S01);

A detection signal receiving step (S02) of receiving the detection signal transmitted from the object detection sensor 45 so as to be stored in the memory unit 12;

When the controller 10 determines that the object is detected, the position of the corresponding LED 41 is determined, and the image signal stored in the memory unit 12 is transmitted to the LED driver 412 of the corresponding LED 41. Video signal transmission step (S03);

An LED light emitting step (S04) of receiving the image signal transmitted from the controller 10 from the LED driver 412 to cause the LED 41 to emit light;

A temperature sensing step S05 of detecting a temperature of the vent space at the bottom of the LED 41, the LED PC 411 or the LED PC 411;

When receiving the temperature data detected by the temperature sensing step (S05) from the control unit is determined to be a high temperature, the ventilation operation step (S06) to transmit the operation signal of the ventilation fan 33 to operate the ventilation fan 33. It may be provided to include.

The present invention provided as described above relates to an LED display installed in the outdoors, because it is made of a separate module having a waterproof and sealed structure, the lighting operation is stable because the water does not penetrate into the interior even by rain or fountain water. It has an excellent effect of making it happen.

In addition, when installed in the outdoor floor lighting, there is an advantage that the ventilation member for cooling is provided with the LED lighting member to operate stably even in hot summer.

In particular, since the user is approached by the proximity sensor, the image is displayed in a variety of colors and colors according to the stable signal detection, there is an advantage that you can enjoy a variety of images with the lighting facility.

Furthermore, since the proximity sensor for detecting the proximity of the user and the LED for light emission are made of one single module, the entire LED display is easy to install and disassemble, and the repair work is convenient.

Hereinafter, described in detail with reference to the accompanying drawings.

1 is a schematic cross-sectional view of the module of the LED display according to the present invention, Figure 2 is a cross-sectional view of the separated state of the module of the LED display according to the present invention, Figure 3 is a display for the LED display according to the present invention 4 is a plan view and a cross-sectional view of the LED lens unit of the LED display according to the invention, Figure 5 is a schematic cross-sectional view of the installed state of the LED display according to the present invention, Figure 6 is an LED display according to the present invention 7 is a control flowchart for the LED display according to the present invention, and FIG. 8 is a control flowchart for the LED display according to the present invention.

That is, the LED display (A) for outdoor installation block according to the present invention is installed on the outside of the building, as shown in Figure 1 to 8, the LED 41 is mounted therein the LED 41 411 Is provided, and the bottom case 42 which forms the outer body supporting the bottom of the LED CB 411 is provided. And coupled to the upper portion of the LED lens unit 43 is positioned above the LED CB 411, the LED 41 and the LED CB 411 to protect the transparent portion or translucent portion 44 made of a transparent material or translucent material ) Is provided to form the LED display module 40 that includes the LED 41 as a whole.

In addition, the LED display module 40, the LED lens unit 43 is coupled to the upper side of the LED BP 411 to guide the light emitted from the LED. In addition, the LED lens unit 43 is formed with an LED coupling hole 431 to which the LED 41 is coupled to emit light emitted from the LED 41.

In particular, an object detection sensor 45 for detecting an object located in the LED 411, the upper portion of the light-transmitting portion 44 is provided, the person or object is moved to the upper portion of the light-emitting portion 44 Sensing and the LED 41 is provided to be signaled to emit light.

In the LED display module 40, a stopper 421 is coupled to one side of the bottom case 42, and the waterproofing agent 422 is inserted into the bottom case 42 through the stopper 421. It is provided to be inserted, the waterproofing agent 422 is to be provided to surround the LED 41 and the LED PC 411, and to be located inside the sealed by the light-transmitting portion 44 and the bottom case 42. .

As the waterproofing agent 422 surrounding the LED 41 and the LED PC 411, a urethane-based, butyl-based or resin-based resin that was applied to the Republic of Korea Patent Registration No. 811067 to which the inventor of the present invention has applied for a patent application Including waterproofing agents may be used. In addition, when the light-transmitting part 44 and the bottom case 42 are completely enclosed, a liquid waterproofing agent, which is not a gel state such as silicon oil, may be included.

In particular, the waterproofing agent is electrically insulated between the terminals of the LED 41 and the LED 411, and the heat generated by the heat generated from the LED 41 or the LED 411 of the inside is discharged to the outside. It would be more desirable if a good reason was used.

The LED display module 40 provided with the LEDs 41 and the LEDs 411 as described above may be implemented in various forms by further adding various members for operation.

Looking at the embodiment of the configuration of the LED display module 40, as shown in Figure 1 and 2, the bottom case 42 is positioned to the bottom side of the LED display module 40. The housing case 423 is coupled to the outer circumferential upper side of the bottom case 42, and is fastened by a bolt 424 in the drawing, and the packing member 425 is provided between the housing case 423 and the bottom case 42. It may be provided to be sealed by).

In addition, the housing case 423 has a two-stage step structure, and the bottom part is coupled to the inside of the bottom case 42 and provided to be in close contact with the packing member 425. Is the edge bottom of the light-transmitting portion 44, which becomes a plate of transparent or translucent material. Therefore, the light transmitting portion 44 may be made of ordinary glass, tempered glass, or a plastic material having strength. Particularly, when the LED display module 40 is used as a floor lighting member, it may be preferable that the LED display module 40 is made of tempered glass or durable plastic material having a certain strength because people may pass to the upper side of the light transmitting part 44. will be.

Of course, when the LED display (A) according to the present invention is used for the floor lighting is installed as an outdoor block as shown in Figure 5 as described above, the light-transmitting portion 44 is made of tempered glass or plastic material having durability A load is preferable, whereas, for wall lighting and handrail lighting, which are installed as outdoor wall blocks, it may be made of ordinary glass, lightweight tempered glass, or a non-thick plastic material, which is somewhat durable because it does not carry a person's weight. There will be.

In addition, the light-transmitting portion 44 and the housing case 423 may be provided to be sealed by a packing member and a bolt, or may be provided to be made of a waterproof or sealing material made of a silicone or resin, or a hardening or gel type. will be.

The LED display module 40 provided as described above is provided with an LED PC 411 on which the LED 41 is mounted. The LED PC 411 may be provided to be fixed to the bottom case 42. will be.

In addition, the LED driver 412 for receiving the control signal transmitted from the controller 10 to turn on the LED 41 may be mounted on the sensor installation unit 451 coupled with the LED PC 411. In addition, as shown in FIG. 1, the object installation sensor 45 is coupled to the sensor installation unit 451 coupled to the bottom of the LED CB 411 to sense an object proximate to the outside of the light-transmitting unit 44. . Of course, the sensor installation unit 451 may be provided with an LED driver 412, in another embodiment the LED driver 412 may be provided in the LED BP 411, the object detection sensor 45 is also an LED It may be fixed to 411.

The object detection sensor 45 may be provided with an infrared sensor, an ultrasonic sensor, etc. In particular, the proximity sensor may be used. That is, as the object detecting sensor 45 to be a proximity sensor, a high frequency oscillation type proximity sensor, a capacitive type proximity sensor, or the like may be used. In particular, when a capacitive type proximity sensor is used, the accuracy of object detection is improved. There is an advantage.

And the LED lens unit 43 is provided between the LED 41 and the light-transmitting portion 44, the light emitted from the LED 41 by the LED lens unit 43 is stably without interference of the surrounding light It will be emitted forward. Particularly, the individual LEDs 41 emit light with a unique color by the control of the controller 10. When the LEDs are exposed to interference with the LEDs next to the surroundings, the individual LEDs are not illuminated with their own unique colors. It may be difficult to implement various images that can be seen in A).

However, in the LED display A according to the present invention, since the light of the individual colors emitted from the individual LEDs 41 is projected forward without being interfered by the LED lens unit 43, the user is allowed to separate the LEDs from the individual LEDs 41. You will see a variety of colors of light emitted. Therefore, the LED display (A) according to the present invention has the advantage of allowing to see more clearly the various images shown as a whole.

In particular, the LED lens unit 43 may be provided to be formed in a plurality of stages, as shown in FIGS.

This is formed with a plurality of stages in which the individual cells of the LED lens unit 43 are vertical walls and horizontal walls, and the light emitted from the individual LEDs 41 of the inner bottom of the individual cells is simply illuminated at a predetermined angle. In other words, it has the advantage of being focused forward by the vertical plane of each stage. That is, since light emitted from the LEDs 41 in the individual cells of the LED lens unit 43 is focused more forwardly by the vertical wall formed in multiple stages rather than spreading in all directions, the high intensity of the LEDs 41 of the individual cells is reflected. The colored light is reflected without being disturbed, and the entire image shown in the entire LED display A is distinguished from each other to emit light, which has the advantage of being displayed as the light of a more distinct image.

And the bottom case 42 of the LED display module 40 may also be formed in a plurality of stages. Referring to the example of FIGS. 1 and 2 showing one embodiment of such a bottom case 42, it can be seen that the bottom case 42 has three stages. That is, the lower end of the housing case 423 is located at the upper end, and the intermediate support is coupled to the PCB support member 414 for supporting the LEDs 411.

In addition, an injection hole 426 is provided at the lowermost end of the bottom case 42 to inject the waterproofing agent 422 located inside the LED display module 40, and a plug 421 is provided at the injection hole 426. The waterproofing agent 422 injected into the interior is provided so as not to escape to the outside.

One side of the bottom case 42 is provided with a signal line 46 connecting the controller 10 and the LED driver 412.

Furthermore, when the LED display module 40 is used as the floor lighting member as shown in FIG. 5, the bottom member 35 may be further provided to the outside of the light transmitting part 44 to prevent damage from the user. The bottom member 35 may of course be provided with a transparent material or a translucent material, an embossed plate.

In addition, the LED display module 40 including the bottom case 42 and the light-transmitting portion 44 having the LEDs 41 and the LEDs 411 therein includes a plurality of LED display modules as shown in FIG. 5. 40 is provided and the LED display layer 31 is provided, it may be used as the LED display (A) for the outdoor installation block. That is, as shown in Figure 5 may be used as a floor lighting member for the outdoor installation block, may also be used as an external lighting member, such as a lighting member of a general building exterior wall, or a railing.

And the LED display layer 31 is provided with an installation frame (not shown) for mounting the individual LED display module 40, the main signal line between the LED display module 40 and the control unit 10 in the installation frame (Not shown) is provided. In particular, the LED display module 40 coupled to the LED display layer 31 is provided to be separated and coupled from the LED display layer 31, and the signal line 46 of the LED display module 40 is connected to the main signal line and the connecting jack. Since it is provided to be coupled, there is an advantage that the installation and maintenance work of the entire LED player (A) becomes easy.

In particular, the outdoor display block for the LED display (A) is to be provided by the LED 41 to emit light by detecting the user near the proximity sensor.

That is, since the individual LED display module 40 is provided with a separate object detection sensor 45, when the user passes through the place where the LED display (A) according to the present invention as shown in Figure 5, the example of Figure 5 In order from the left to the right, the user passes the object detection sensor 45 in the individual LED display module 40 in order to detect the user's passing in order.

These sequentially detected detection signals are individually transmitted to the control unit 10, thereby transmitting the lighting control signal of the LED 41 to the LED display module 40 in which the detected object sensor 45 is located. Will be done.

Therefore, the LED display module 40 in which the user is positioned is that individual LEDs 41 are sequentially emitted as the user passes, and the LEDs 41, which have been emitted once, have gradually increased brightness only after the delayed emission time has elapsed. It is controlled to be adjusted and turned off.

Of course, when the LED display (A) according to the present invention is provided as a floor lighting device, the object detection sensor 45 may be provided as a capacitive proximity sensor, when the user stepping on the foot to detect the user's proximity It may be provided so as to emit light.

In addition, when the wall or handrail is installed for the object detection sensor 45 is provided with a high frequency oscillation type proximity sensor, infrared sensor, ultrasonic sensor, it may be provided to emit light by detecting the proximity or passage of the user.

Since the LED display (A) according to the present invention provided in this way is mainly installed outdoors, the heat of the outside may act on the LED display (A) during the hot summer. In addition, since heat generated inside the LED 41 or the LED display module 40 is added, the members of the LED display A may be malfunctioned. Cooling member may be further provided to prevent this.

That is, as shown in FIG. 5, the ventilation space 32 is formed at the bottom of the LED display layer 31, and the ventilation space 32 may be provided with one or a plurality of ventilation fans 33.

Therefore, even in an environment such as a hot summer, heat generated from the LED display layer 31 is transferred to the ventilation space 32, and the heat of the LED display A is cooled by the ventilation fan 33. The advantage is that it works.

Looking at the control configuration of the LED display (A) according to the present invention provided as described above are as follows. That is, as shown in FIGS. 1 and 6, the controller 10 is provided to control the LED 41 to be turned on by receiving the signal detected from the object detecting sensor 45, and the LED PC 411 is provided. The provided LED driver 412 is provided to receive the control signal from the controller 10 so that the LED 41 is turned on.

In addition, for the cooling operation, the control unit 10 receives the high-temperature temperature detection signal from the temperature sensor 22 installed in the LED display layer 31 or the ventilation space 32, the ventilation fan 33 is It is provided to work.

And the power supply unit 13 for supplying power to the entire LED display (A) is provided, the temperature sensor 22 is an individual temperature sensor for sensing the temperature of each LED display module 40, the external It may be provided as an external temperature sensor for sensing the temperature, a vent space temperature sensor for sensing the temperature of the ventilation space.

The control unit 10 may be provided with a sensor signal processing unit 14 for receiving and processing the detection signals transmitted from the temperature sensor 22 and the object sensor 45 to be transmitted to the main controller 11. In addition, an input device signal processor 15 for processing signals from an external input device 151 such as a keyboard and a mouse, a fan operation signal processor 16 for transmitting a control signal to the ventilation fan 33, and an LED driver ( LED output signal processing unit 17 for transmitting a control signal to the side 412, the external computer and a signal transmission member for signal transmission may be provided together.

Looking at the control method of the LED display (A) according to the present invention can be provided as follows. That is, as shown in FIGS. 7 and 8, the LEDs 411 mounted with the LEDs 41 are provided in the interior sealed by the light-transmitting portion 44 and the bottom case 42, and the LEDs 411 on the LEDs 411. An object detecting step S01 for detecting an object in the provided object detecting sensor 45 is performed. Of course, at this time, the individual LED display module 40 may transmit information or a position value with respect to the position of the object along with the detection signal for the object. Alternatively, individual main signal lines may be wired to each LED display module 40, and the main signal lines may be provided to be connected to one branch member. Therefore, the detection signal of the individual object detection sensor 45 is first transmitted to several branch members through the main signal line, and in such a branch member, together with the detection signal of each individual object detection sensor 45, the address signal value assigned to the branch member. In addition, the signal value may be provided to the control unit. Of course, it is natural that the transmission method for other detection signals and corresponding position values can be applied in various ways.

The sensing signal transmitted from the object detecting sensor 45 is received by the control unit 10 so that the sensing signal receiving step S02 is performed to be stored in the memory unit 12.

As such, when the user passes, the controller 10 determines the position of the corresponding LED 41 and determines the position of the corresponding LED 41, and outputs the image signal stored in the memory unit 12 to the LED driver 412 of the corresponding LED 41. The video signal transmission step S03 of transmitting the video signal is performed. Accordingly, the LED driver 412 for driving each of the LEDs 41 transmits information and a control signal about the color value of the image suitable for each of the LEDs 41. Therefore, each LED driver 412 is signaled and transmitted so that the individual LEDs 41 emit light in a color that emits light. In addition, it is possible to transmit various image data signals such as image data signals and virtual image data signals stored in the memory unit 12, the image data signal for the shape of the LED display layer 31, fish shape, Various data signals such as an image data signal for a background color can be transmitted. Thus, each LED 41 can be displayed in a variety of colors and images.

Therefore, the LED light emitting step S04 is performed to receive the video signal transmitted from the controller 10 from the LED driver 412 so that the LED 41 emits light, thereby emitting the individual LEDs 41. Therefore, the LED 41 to which the user is approached emits light with the transmitted color value, and subsequently emits light for a predetermined time, and then sequentially turns off to gradually become dark.

In the exemplary embodiment, when used as a floor lighting device, only the foot where the user stands can be brightly illuminated, or the wavy image may be provided at the step where the user stands. In addition, in the case of wall lighting or handrail lighting, it may be implemented with various colors, brightness, and images such as a shadow that follows the user's back or an image that allows the puppy to follow. Could be.

In addition, in the individual temperature sensor 22, a temperature sensing step S05 for sensing the temperature of the vent space at the bottom of the LED 41, LED PD 411 or LED PD 411 is performed, and then the temperature sensing step If it is determined that the temperature data sensed by the controller (S05) is received at a high temperature, the operation of the ventilation fan 33 is performed by transmitting an operation signal of the ventilation fan 33 to operate the ventilation fan 33. .

Therefore, since the temperature of the entire LED display (A) is always kept constant, the lighting is stably operated without malfunction.

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art without departing from the spirit and scope of the invention described in the claims below In the present invention can be carried out by various modifications or variations.

1 is a schematic cross-sectional view of a module of an LED display according to the present invention.

Figure 2 is a cross-sectional view of the separated state of the module of the LED display according to the present invention.

3 is a plan view of the LED display according to the present invention.

4 is a plan view and a cross-sectional view of the LED lens unit of the LED display according to the present invention.

Figure 5 is a schematic cross-sectional view of the installed state of the LED display according to the present invention.

Figure 6 is a control block diagram for the LED display according to the present invention.

7 is a control flowchart for the LED display according to the present invention.

8 is a control flow diagram for the LED display according to the present invention.

<Explanation of symbols for the main parts of the drawings>

A: LED display 10: control unit

11: main controller 22: temperature sensor

31: LED display floor 32: Ventilation space

33: ventilation fan 40: LED display module

41: LED 411: LED PD

42: bottom case 422: waterproofing agent

43: LED lens portion 44: light transmitting portion

45: object detection sensor

Claims (5)

An LED PC 411 is mounted on which the LED 41 is mounted. The bottom case 42 is formed to support the bottom of the LED 411, forming an outer body, The LED lens unit 43 is coupled to an upper side of the LED 411 to guide the light emitted from the LED. It is coupled to the upper portion of the LED lens unit 43 to protect the LED 41 and the LED CB 411 and is provided with a light transmitting portion 44 made of a transparent material or a translucent material, LED display for the outdoor installation block is characterized in that the object is located in the LED 411, the object detecting sensor 45 for detecting the object located above the floodlight (44). The method of claim 1, One side of the bottom case 42 is provided so that the stopper 421 is coupled, The waterproofing agent 422 is provided to be introduced into the bottom case 42 through the stopper 421. The waterproofing agent 422 surrounds the LED 41 and the LED PC 411 and is installed outdoors so as to be positioned inside the airtight part 44 and the bottom case 42 sealed. LED display for blocks. The method of claim 1, The LED display layer 31 is provided with a plurality of the bottom case 42 and the light-transmitting portion 44 in which the LED 41 and the LED PC 411 are embedded, and an LED display layer 31 is provided. Ventilation space 32 is formed at the bottom of the LED display layer 31, LED display for the outdoor installation block, characterized in that the ventilation space 32 is provided with one or a plurality of ventilation fans (33). The method of claim 1, The control unit 10 is provided to control the LED 41 is turned on by receiving the signal detected from the object sensor 45, The LED driver 412 positioned toward the LED 411 is provided to receive the control signal from the controller 10 so that the LED 41 is turned on. The control unit 10 is an LED player for an outdoor installation block, characterized in that the ventilation fan 33 is operated to receive the temperature detection signal transmitted from the temperature sensor 22. An LED PC 411 in which the LED 41 is mounted inside the sealed part by the light transmitting part 44 and the bottom case 42 is provided, and the object is detected by the object detecting sensor 45 located in the LED CB 411. Detecting the object (S01); A detection signal receiving step (S02) of receiving the detection signal transmitted from the object detection sensor 45 so as to be stored in the memory unit 12; When the control unit 10 determines that the object is detected, the position of the corresponding LED 41 is determined, and the image signal stored in the memory unit 12 is transmitted to the LED driver 412 of the corresponding LED 41. Video signal transmission step (S03); An LED light emitting step (S04) of receiving the image signal transmitted from the controller 10 from the LED driver 412 to cause the LED 41 to emit light; A temperature sensing step S05 of detecting a temperature of the vent space at the bottom of the LED 41, the LED PC 411 or the LED PC 411; When receiving the temperature data detected by the temperature sensing step (S05) from the control unit is determined to be a high temperature, the ventilation operation step (S06) to transmit the operation signal of the ventilation fan 33 to operate the ventilation fan 33. Control method of the LED display for outdoor installation block is provided that is included.

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