KR101274733B1 - Electronic display - Google Patents

Abstract

According to the present invention, an LED board member having a rectangular shape in which a plurality of LED light emitting elements are arranged in rows and columns, and a rectangular base member that is combined with the LED substrate member to form an external shape of the LED board, and an existing LED substrate member and a base It includes a reflector plate member coupled to the upper portion of the member, the base member is provided with a light emitting element cover member having a "c" -shaped cross-section partitioned to cover the LED light emitting element individually, the upper surface of the light emitting element cover member is black And a thermoelectric element for cooling the LED light emitting element is disposed on the light emitting element cover member, and a circuit for driving the LED light emitting elements is formed on the back surface of the LED substrate member by a printing technique. The member is provided with a passage opening for passing the light emitting element cover member, the el A temperature sensor for sensing temperature, a humidity sensor for sensing humidity, a heating coil and a fan are installed between the digital substrate member and the base member, and the LED substrate member emits light for sensing power supplied to the LED light emitting device. An element voltage sensing unit, a wireless communication module, and a charging module are installed, and a light reflection coating layer is formed on an upper surface of the reflecting plate member, and a solar panel is disposed. According to the present invention, it is possible to increase the visibility of the information shown through the signboard, to prevent the penetration of moisture into the signboard, and to prevent damage by birds or insects.

Description

Electronic board {ELECTRONIC DISPLAY}

The present invention relates to an electronic signboard, and more particularly, to increase the visibility of information through the electronic signboard, to prolong the service life, to prevent moisture from penetrating into the electronic signboard, and to prevent damage by birds and insects. The invention relates to an electric sign board.

An electronic display is an apparatus for displaying an image or information, and is a large-size apparatus for displaying an image or information by arranging a plurality of light emitting elements such as a light bulb or a light emitting diode in a plurality of rows and columns, and selectively emitting the light emitting elements.

The electronic display board is disposed outdoors so that many people can see it. In the case of the outdoor environment, the brightness of the screen is degraded due to the brightness of the sunlight, which causes a decrease in visibility.

In addition, when snow or rain falls, moisture penetrates into the inside of the display panel, causing short circuiting or corrosion, resulting in failure of the display panel or reduction in service life.

In addition, various insects gather by the light emitted from the light emitting device disposed on the display board and invade into the display board, causing a problem such as contamination or short circuit, and when bird droppings accumulate on the display board, it causes corrosion. After a long time, water may penetrate into the corroded area.

In addition, when a failure occurs in some of the plurality of light emitting elements included in the electronic display board, the power is supplied while the information is not displayed, resulting in unnecessary waste of power and confusion of information, causing inconvenience to the driver. It can cause.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic board configured to increase the visibility of information viewed through the electronic board.

Still another object of the present invention is to provide an electric signboard configured to prevent moisture from penetrating into the electric signboard and to prevent damage caused by birds or insects.

Still another object of the present invention is to provide an electronic board configured to cut off a power supply while facilitating maintenance when a failure occurs in the electronic board.

The display board according to the present invention for achieving the above object is a rectangular LED substrate member having a plurality of LED light emitting elements are arranged in a row and column, and the base member of the rectangular shape combined with the LED substrate member to form the appearance of the display board; And a reflective plate member coupled to an upper portion of the LED substrate member and the base member, wherein the base member is provided with a light emitting element cover member having a "c" shape cross section partitioned to cover the LED light emitting element individually. The upper surface of the cover member is painted black, and a thermoelectric element for cooling the LED light emitting element is disposed on the light emitting element cover member, and a circuit for driving the LED light emitting elements is printed on the back surface of the LED substrate member. Is formed, the LED substrate member for the passage of the light emitting element cover member An over-opening is formed, and between the LED substrate member and the base member, a temperature sensor for sensing temperature, a humidity sensor for sensing humidity, a heating coil and a fan are installed, and the LED substrate member is mounted on the LED substrate member. A light emitting device voltage sensing unit, a wireless communication module, and a charging module are installed to sense power supplied to the upper surface of the reflective plate member.

Preferably, a light reflection coating layer is formed at a portion of the light emitting device cover member facing the LED light emitting device.

In addition, the reflecting plate member is formed integrally protruding from the upper portion of the base member, the LED substrate member is formed smaller than the size of the base member, and the LED substrate member and the base member in a state coupled to the base member The resin filling part may be formed between the edges of the base member.

Here, when it is detected that power is not supplied to the light emitting elements having a predetermined ratio among the LED light emitting elements installed in the LED substrate member, the power supply to the electronic display board is cut off, and the wireless terminal module is connected to an external terminal device. It may be configured to notify this.

The LED light emitting device may be configured to detect an LED light emitting device that is not supplied with power through the light emitting device voltage sensing unit, and transmit information about rows and columns of the LED light emitting device that are not supplied to the external terminal device through the wireless communication module. Can be.

On the other hand, a conductive wire is disposed on the reflecting plate member, an insect repellent module may be installed between the LED substrate member and the base member.

According to the present invention, the visibility of information viewed through the electronic display board can be improved.

In addition, moisture can be prevented from penetrating into the electronic signboard, and damage by birds or insects can be prevented.

In addition, it is possible to cut off the power supply while facilitating maintenance in the event of a failure of the display.

Since the accompanying drawings are for understanding the technical spirit of the present invention together with the detailed description of the invention, the present invention should not be construed as limited to the matters shown in the following drawings.
1 is a perspective view of an electric sign according to the present invention;
2 is a partially enlarged view of a light emitting device and a light emitting device cover member in which an LED substrate member and a base member are coupled;
3 is a partially enlarged view of a corner portion where an LED substrate member and a base member are coupled;
4 is a block diagram illustrating the internal configuration of the electronic display panel according to the present invention.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

1 is a perspective view of an electronic board according to the present invention, FIG. 2 is a partially enlarged view of a light emitting device and a light emitting device cover member in which the LED substrate member and the base member are coupled, and FIG. 3 is a combination of the LED substrate member and the base member. Partial enlarged view of the corner portion, Figure 4 is a block diagram of the configuration of the electronic display according to the present invention.

According to the present invention, the LED board member 10 having a quadrangular shape in which a plurality of LED light emitting devices 12 are arranged in rows and columns, and the base having a square shape that is combined with the LED substrate member 10 to form an external shape of the LED board A member 20 and a reflector plate member 30 coupled to an upper portion of the LED substrate member 10 and the base member 20, wherein the LED light emitting element 12 is individually provided on the base member 20. A light emitting device cover member 40 having a "c" shape cross section is provided, and the upper surface of the light emitting device cover member 40 is painted black, and the LED light emitting device is mounted on the light emitting device cover member 40. A thermoelectric element for cooling of (12) is disposed, and a circuit 16 for driving the LED light emitting elements is formed on a rear surface of the LED substrate member 10 by a printing technique, and on the LED substrate member 10 The light emitting device cover Passing opening 14 for the passage of the ash 40 is formed, between the LED substrate member 10 and the base member 20, a temperature sensor for sensing the temperature and a humidity sensor for sensing the humidity and heating A coil 25 and a fan 24 are installed, and the LED substrate member 10 includes a light emitting element voltage sensing unit for sensing power supplied to the LED light emitting element 12, a wireless communication module, and a charging module 18. ) Is installed, the light reflection coating layer is formed on the upper surface of the reflecting plate member 30, and further characterized in that the solar panel 32 is disposed.

The LED substrate member 10 includes a plurality of LED light emitting elements 12 arranged in a predetermined row and column, and a light emitting element cover member 40 formed in the base member 20 on an adjacent upper portion of the LED light emitting element 12. Passing opening 14 for the passage of the) is formed.

Light emitting device voltage sensing units are connected to the LED light emitting elements 12 to determine whether power is supplied to the LED light emitting element 12 or whether the LED light emitting element 12 is damaged and thus no power is supplied. To judge.

The LED substrate member 10 and the base member 20 are all formed in a square shape, and the LED substrate member 10 and the base member 20 form an external shape of the light emitting plate by the combination of the LED substrate member 10 and the base member 20.

The upper part of the base member 20 is provided with a reflector plate member 30 which serves as a roof to reflect sunlight incident on the display board and to prevent moisture from penetrating into the display board in the event of snow or rain.

On the upper surface of the reflector plate member 30, a light reflection coating layer such as chromium or aluminum coating layer is formed to reflect sunlight, and the solar panel 32 is disposed.

Thus, the light reflection coating layer is configured to reflect the direct sunlight from the sun to some extent and to charge the charging module 18 through the solar panel 32.

In FIG. 1, the reflecting plate member 30 is illustrated as being integrally inclined to protrude from the upper portion of the base member 20, but is not limited thereto and may be detachably coupled to the upper portion of the base member 20. It can also be installed.

If the surface on which the LED light emitting elements 12 are disposed in the LED substrate member 10 is referred to as a front surface, various circuits 16 for driving the LED light emitting elements 12 are formed by a printing technique.

The light emitting element cover member 40 covers the LED light emitting elements 12 individually to prevent the visibility of light emitted from the LED light emitting element 12 from being degraded due to the incident of sunlight, and the LED light emitting element ( It is a structure for preventing the contact of moisture to 12).

The light emitting device cover member 40 includes a horizontal progressing portion 42 and a vertical progressing portion 44, and the horizontal progressing portion 42 is an area in which the entire LED light emitting elements 12 are disposed. It is formed integrally extending along the, and the longitudinal progression section 44 is formed in a pair downward from the transverse progression section 42.

Thus, the one LED light emitting element 12 is configured to cover at the top in a "c" shape.

A thermoelectric element for cooling the LED light emitting element is disposed in the horizontal progression part 42, and the LED light emitting element 12 disposed directly above the power supply to the thermoelectric element and driven by the fan 24 is disposed. Will be cooled directly.

In addition, a light reflection coating layer such as chromium plating or aluminum plating is formed at a portion of the light emitting element cover member 40 facing the LED light emitting element, thereby condensing the light irradiated from the LED light emitting element 12 to improve visibility. Configured to improve.

The temperature sensor 25 and the humidity sensor 27 are installed in the space formed by the combination of the LED substrate member 10 and the base member 20.

Thus, when the temperature sensed by the temperature sensor 25 exceeds a preset temperature, for example, 70 degrees, the thermoelectric element and the fan 24 are driven to cool the LED light emitting elements 12. .

In addition, when the humidity sensed by the humidity sensor 27 is set in a relative humidity state of, for example, 90% or more, the fan 24 is heated while supplying electric power to the heating coil 25. By driving the hot air or by operating only the fan 24, the internal humid air is configured to discharge to the outside.

On the other hand, when the number of LED light emitting elements 12 damaged through the light emitting element voltage sensing unit 13 exceeds a predetermined range, for example, 10% of all LED light emitting elements, all the LED light emitting elements 12 It is configured to interrupt the power supply to.

Therefore, when information is difficult to transmit through the display board due to the broken light emitting devices, rather than interrupting the power supply to the entire LED light emitting devices 12 so that the information is not displayed, the drivers through the difficult display of information. To prevent confusion.

The LED light emitting elements 12 are arranged in a predetermined row and column, and the LED light emitting element voltage sensing units 13 are connected to each of the LED light emitting elements 12, so that the light emitting element voltage detecting unit 13 is connected. It is configured to transmit the row and column information of the damaged LED light emitting device through the wireless communication module to an external terminal such as a smartphone or a management server.

Therefore, it is possible to easily determine the number and location of the broken LED light emitting device 12 in the display board through the external terminal device to easily determine the need for maintenance work for the display board installed at various points.

The electronic display board according to the present invention is usually driven by commercial power supplied from the outside, but the wireless communication module 21 may be driven by the charging module 18 charged by the solar panel 32. Therefore, even in the case of a power failure or disconnection of the power line from which no power is supplied from the outside, this fact is configured to notify the external terminal device through the wireless communication module 21.

Thus, in the event of a typhoon or other natural disaster in which power is not supplied due to breakage or disconnection of the electric signboard, the external terminal device can be notified.

On the other hand, the LED substrate member 10 is formed smaller than the size of the base member 20, the LED substrate member 10 and the base in the state in which the LED substrate member 10 and the base member 20 is coupled The resin filling part space may be formed between the edges of the member 20.

That is, when the LED substrate member 10 is formed to have a length W1 and a length H1, the width of the base member 20 is formed to be W2 and length H2, but the W2 and H2 are somewhat larger than W1 and H1. When the LED substrate member 10 and the base member 20 are coupled to each other by screws (not shown), an epoxy or the like may be formed between the edge portion of the LED substrate member 10 and the edge portion of the base member 20. The synthetic resin 60 is filled to prevent moisture from penetrating between the LED substrate member 10 and the base member 20.

In addition, the rows and columns of the LED light emitting element 12 in the LED substrate member 10 are disposed at a predetermined distance, for example, 50 cm from both side edges of the LED substrate member 10, and the light emitting element The cover member 40 is also disposed at a predetermined distance from both edges of the base member 20.

Thus, even in the rain, the upper side primarily prevents rainwater from colliding with the LED light emitting device 12 through the reflector plate member 30, and the rainwater is secondary to the LED light emitting device through the light emitting device cover member 40. It prevents from hitting (12).

In addition, as described above, the LED light emitting device 12 is disposed at the center portion at a predetermined distance (50 cm, etc.) from both edges of the light emitting plate according to the present invention, whereby rainwater strikes the LED light emitting device 12 through both sides. It is configured to prevent the first, and to protect the LED light emitting device 12 from the rain from entering through both sides through the longitudinal progression 44 of the light emitting device cover member 40.

On the other hand, conducting wires are disposed on the upper surface of the reflecting plate member 30, so that a weak current flows when the bird descends on the reflecting plate member 30.

Thus, the algae is disposed on the upper surface of the reflecting plate member 30 to be contaminated to contaminate the solar panel 32 to reduce the charging efficiency and to prevent corrosion of the reflecting plate member 30 by the excrement.

In addition, an insect repellent module 26 is installed between the LED substrate member 10 and the base member 20, and a short circuit and light emission of a circuit by an insect gathered by light emitted from the LED light emitting element 12 is performed. It is configured to prevent damage such as contamination of the device.

As the insect repelling module 26, an ultrasonic wave generating module for generating ultrasonic waves in a specific range for combating insects may be used.

As mentioned above, although the present invention has been described by way of limited embodiments and drawings, the technical idea of the present invention is not limited thereto, and a person having ordinary skill in the art to which the present invention pertains, Various modifications and variations may be made without departing from the scope of the appended claims.

10: LED substrate member 20: base member
30: reflector plate member 40: light emitting element cover member

Claims (6)

A rectangular LED substrate member having a plurality of LED light emitting elements arranged in rows and columns;
A square base member coupled to the LED substrate member to form an external shape of the electronic board;
It includes a reflector plate member coupled to the upper portion of the LED substrate member and the base member,
The base member is provided with a light emitting element cover member having a "c" shape cross section partitioned to cover the LED light emitting element individually,
The upper surface of the light emitting element cover member is painted in black,
The light emitting device cover member is disposed with a thermoelectric element for cooling the LED light emitting device,
On the rear surface of the LED substrate member, a circuit for driving the LED light emitting elements is formed by a printing technique,
The LED substrate member is formed with a passage opening for passing the light emitting element cover member,
Between the LED substrate member and the base member is installed a temperature sensor for sensing the temperature and a humidity sensor for sensing the humidity, heating coil and fan,
The LED substrate member is provided with a light emitting device voltage detection unit for detecting the power supplied to the LED light emitting device, a wireless communication module and a charging module,
The light reflecting coating layer is formed on the upper surface of the reflecting plate member, and further comprising a solar panel. The method of claim 1,
The light emitting plate, characterized in that the light reflection coating layer is formed in the light emitting element cover member facing the LED light emitting element. 3. The method of claim 2,
The reflective plate member is integrally formed to protrude from the upper portion of the base member, the LED substrate member is formed smaller than the size of the base member, the LED substrate member and the base member in a state in which the LED substrate member and the base member is coupled Electroluminescent plate, characterized in that the resin filling portion is formed between the edges. The method of claim 3, wherein
If it is detected that no power is supplied to the light emitting elements having a predetermined ratio among the LED light emitting elements installed in the LED substrate member, the power supply to the electronic display board is cut off, and the external terminal device is notified through the wireless communication module. Display board, characterized in that configured to. The method of claim 4, wherein
It is configured to detect the LED light emitting device that is not supplied power through the light emitting device voltage detection unit, and transmit information about the row and column of the LED light emitting device that is not supplied to the external terminal device through the wireless communication module. Display board made with. The method of claim 5, wherein
The conductive plate is disposed on the reflecting plate member, and the electric insulation board, characterized in that the insect repellent module is installed between the LED substrate member and the base member.

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