JP2019028423A - Wireless control type transparent electric lighting device - Google Patents

Abstract

To provide a wireless control type transparent electric lighting device capable of wirelessly controlling a flashing control signal of an LED module of a transparent electric lighting board, and excluding a wiring line for applying the flashing control signal to the LED module.SOLUTION: A wireless control type transparent electric lighting device desirably comprises: a plurality of LED modules on each of which an LED chip and a reception control module for receiving a flashing control signal by wireless communication to control the flashing of the LED chip on the basis of the flashing control signal are disposed; and a transparent electric lighting board on which the plurality of LED modules are separately disposed at predetermined pitch intervals. Thus, it is possible to control the flashing control signal of the LED module of the transparent electric lighting board by wireless communication, and to exclude a wiring line for applying the flashing control signal to the LED module.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a wireless control type transparent lightning device, and more specifically, wirelessly controls a blinking control signal of an LED module of a transparent lightning plate to eliminate a wiring line for applying the blinking control signal to the LED module. It is related with the radio | wireless control type | formula transparent lightning device which can be used.

  In general, as an electric plate used outdoors, an electric plate using a light emitting diode (LED: Light Emitting Diode, hereinafter referred to as “LED”) is widely used. Such a lightning board using an LED is used in various fields such as a large outdoor lightning board and a small indoor lightning board because the LED is driven with low power and has a long life.

  The LED is also used for a transparent electric light plate. A transparent electroluminescent plate using LEDs is designed so that three-chip LEDs are wired in a dot matrix structure on the transparent plate so that various characters or graphics can be realized.

  As shown in FIG. 1, in the transparent lightning device according to Korean Patent No. 0893805, a transparent electrode 14 is wired on a transparent lightning plate 10 and connected to a flexible circuit board 20 to join the transparent lightning plate 10 and the control board 30 together. ing.

  1 is a signal in which the flexible circuit board 20 is connected to the connection wiring 21 in order to apply a signal to the R / G / B LED of the LED chip 13 even if the flexible circuit board 20 is used. The wiring structure has a complicated pattern of lines, and the flexible connection board 21 is also patterned on the flexible circuit board 20 itself.

  When realized as dot matrix wiring by 16 × 16 LEDs on a transparent plate having an ITO transparent electrode layer, the total number of LEDs is 256, and a full-color (multicolor) 3-chip LED has four electrodes. Therefore, the total number of wires coming out of the transparent plate is 256 × 4 patterns = 1,024, and the mono-color (single color) single chip LED has two electrodes, so the total number of wires coming out of the transparent plate is 256 pieces. In order to achieve X2 patterns = 512, which can be realized in real time by soldering, etc., not only is it not preferable in terms of workability and product quality, but the product is enlarged overall. There is a problem that it is difficult to perform installation and maintenance. In addition, it takes not only a long construction period and great cost for installation, but also from the viewpoint of ex post, it is difficult to perform maintenance unless it is an expert, and it is not good from the viewpoint of expandability.

Korea Registered Patent No. 0893830

  The present invention provides a wireless control type transparent lightning device capable of controlling a blinking control signal of an LED module of a transparent lightning board wirelessly and eliminating a wiring line for applying the blinking control signal to the LED module. With the goal.

  A wireless control type transparent lightning device according to an embodiment of the present invention includes an LED chip, and a reception control module that receives a blinking control signal through wireless communication and controls blinking of the LED chip based on the blinking control signal. It is characterized by comprising a plurality of LED modules arranged, and a transparent electroluminescent plate in which the plurality of LED modules are spaced at a predetermined pitch interval.

  In one embodiment of the present invention, the LED module further includes a DC-DC converter that transforms an input DC voltage to a low DC voltage and applies power to the LED chip, and the LED module is uniformly supplied to a plurality of LED modules. It is preferable to apply a DC voltage.

  In one embodiment of the present invention, the wireless control type transparent lightning device further includes a transmission control unit that wirelessly communicates with the reception control module, and the transmission control unit blinks the video signal when an external video signal is input. It is preferable to convert it into a control signal and wirelessly transmit it to the reception control module.

  In one embodiment of the present invention, it is preferable that the transmission control unit includes a plurality of transmission modules that divide the transparent electric light board into a plurality of unit areas and individually transmit a blinking control signal for each unit area.

  In one embodiment of the present invention, the transparent electroluminescent plate is formed by arranging a plurality of LED modules in a matrix at a predetermined pitch interval, and connecting negative electrodes of the plurality of LED modules in the lateral direction of the plurality of LED modules. A plurality of first power supply lines and a plurality of second power supply lines connecting the positive electrodes of the plurality of LED modules in the longitudinal direction of the plurality of LED modules, to the LED chip of the reception control module by the blinking control signal The LED modules are preferably blinked individually by the power ON / OFF control.

  In one embodiment of the present invention, the LED chip is preferably at least one of a RED chip, a GREEN chip, and a BLUE chip.

  In one embodiment of the present invention, the LED chip preferably forms one pixel of the transparent light guide while blinking based on the blink control signal.

  The present invention can eliminate the wiring line for applying the blinking control signal to the LED module by controlling the blinking control signal of the LED module of the transparent electroluminescent plate by wireless communication.

  That is, according to the present invention, by using a reception control module disposed in the LED module, a blinking control signal is received wirelessly and the blinking of the LED chip is controlled. The complicated wiring lines connected to the RED chip, the GREEN chip, and the BLUE chip, respectively, are removed, and as a result, the pitch interval between the LED modules in the transparent electroluminescent plate can be reduced. Thereby, this invention can provide more LED modules in the transparent electroluminescent board which has the same standard as before, and can raise the whole resolution of a transparent electroluminescent board.

  Also, the present invention eliminates the complicated wiring lines connected to the RED chip, the GREEN chip, and the BLUE chip, which are LED chips, as compared with the prior art, thereby enabling a blinking control signal with a complicated wiring structure. Interference can be eliminated.

  Furthermore, the present invention divides the transparent electric light board into a plurality of unit areas, receives the blinking control signal while the LED module is individually wirelessly communicated with the transmission module for each unit area, and blinks the control signal at a fast response speed. Can be displayed on an LED transparent lightning board.

It is a circuit diagram of a transparent lightning device according to the prior art. 1 is a schematic configuration diagram of a wireless control type transparent lightning device according to an embodiment of the present invention. It is a schematic block diagram of the LED module by one Embodiment of this invention. FIG. 6 is a schematic configuration diagram illustrating that a transparent electroluminescent plate divided into a plurality of unit areas is wirelessly communicated with a plurality of transmission modules in an embodiment of the present invention.

  Hereinafter, a wireless control type transparent lightning device according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

  As shown in FIG. 2, the wireless control type transparent lightning device 100 according to an embodiment of the present invention includes a transparent lightning plate 110 and a transmission control unit 150.

  The transparent light guide plate 110 includes a plurality of LED modules 120 that emit light when power is supplied. As a material of the transparent electric light board 110, transparent glass, a transparent reinforced film, polycarbonate (PC: Poly Carbonate), acrylic, or a transparent flexible printed circuit board (FPCB) can be used.

  The transparent electroluminescent plate 110 is provided with a transparent electrode (not shown) that is electrically connected to the plurality of LED modules 120. The transparent electrode is formed by coating any one of indium tin oxide (ITO), indium zinc oxide (IZO), and a liquid polymer on the transparent electroluminescent plate 110 (Coating). The

  The transparent electric light board 110 may further be provided with a cover transparent board (not shown) for protecting the plurality of LED modules 120. The cover transparent plate is preferably made of a transparent material, like the transparent electro-optic plate 110.

  A filler may be further provided between the transparent lightning plate 110 and the cover transparent plate (not shown). Here, the filler is filled between the transparent electroluminescent plate 110 and the cover transparent plate to prevent damage to the plurality of LED modules 120 and the like, and the transparent electroluminescent plate 110 and the cover transparent plate are separated by a predetermined interval. Paste them together. As the filler, any one of PVB film, EVA film, and resin (resin) liquid filler can be used.

  The present invention can significantly reduce the thickness of the transparent lightning plate 110 by forming a circuit pattern with a transparent electrode, and since the transparent plate and the transparent electrode made of a transparent material are used, it has transparency and looks good. Will be better.

  The plurality of LED modules 120 receive the blink control signal from the transmission control unit 150 through wireless communication, and are individually blinked based on the blink control signal. The plurality of LED modules 120 are attached to the transparent lightning plate 110 with a conductive adhesive so as to be electrically connected to a plurality of transparent electrodes (not shown) provided on the transparent lightning plate 110.

  As the conductive adhesive, for example, a silver conductor suitable for screen printing or a silver paste is used. Here, the silver conductor or the silver paste has an appropriate viscosity (100 to 150 kcps), is excellent in adhesion to glass, and has low surface resistance (for example, 50 mΩ / sq). preferable. The silver paste according to the present invention has, for example, a viscosity of 100 to 150 kcps, and a conductive epoxy bond system can be used. Thereby, the adhesive force is maintained when the filler is filled using a laminating process or the like.

  As shown in FIG. 3, the LED module 120 includes a DC-DC converter 121, a reception control module 123, and an LED chip 125.

  The DC-DC converter 121 transforms the DC voltage to be lower than the input DC voltage. For example, the DC-DC converter 121 depressurizes an input voltage of 12V to an output voltage of 3V, and applies a DC voltage of 3V to the LED chip 125.

  The present invention is designed so that the LED chip 125 is driven at a low voltage by using the DC-DC converter 121 in consideration of power loss generated in the process of applying power, and the LED chip may be used depending on the service life. Even when a power loss occurs in 125, a uniform voltage is applied to the LED chips 125 of the plurality of LED modules 120 arranged in N × N (2 <N) on the transparent electroluminescent plate 110, so that the LED chips The brightness of 125 can be kept uniform.

  The reception control module 123 wirelessly receives the blink control signal and controls blinking of the LED chip 125 based on the blink control signal.

  The LED chip 125 emits light when power is supplied. The LED chip 125 forms any one pixel in the image realized on the transparent light guide 110 while blinking based on the blink control signal.

  The LED chip 125 is preferably at least one of a RED chip 125a, a GREEN chip 125b, and a BLUE chip 125c. R is an abbreviation for RED, G is an abbreviation for GREEN, and B is an abbreviation for BLUE. This embodiment will be described assuming that the LED chip 125 includes a RED chip 125a, a GREEN chip 125b, and a BLUE chip 125c.

  In the state where the power is supplied to the LED chip 125, ON / OFF of each of the RED chip 125a, the GREEN chip 125b, and the BLUE chip 125c is controlled based on the blinking control signal, and the R / G / B hue or R / G is controlled. A mixed hue of / B can be realized.

  Hereinafter, the transparent light guide plate 110 to which the LED module 120 described above is attached will be described.

  As shown in FIG. 2, the plurality of LED modules 120 are arranged in a matrix at a predetermined pitch interval. The plurality of LED modules 120 are connected to the first power supply line 131 and the second power supply line 132. The first power supply line 131 and the second power supply line 132 may be patterned on the transparent lightning plate 110 so as to be connected to a plurality of transparent electrodes.

  The LED module 120 is provided with a positive electrode and a negative electrode. The first power supply line 131 is a wiring line for connecting the negative electrode, and the second power supply line 132 is a wiring line for connecting the positive electrode.

  The first power supply line 131 is provided on the transparent lightning plate 110 in the lateral direction of the plurality of LED modules 120. The first power supply line 131 electrically connects the negative electrodes of the plurality of LED modules 120 arranged in a line in the same row.

  The second power supply line 132 is provided on the transparent electric light board 110 in the vertical direction of the plurality of LED modules 120. The second power supply line 132 electrically connects the positive electrodes of the plurality of LED modules 120 arranged in a line in the same column.

  In the present embodiment, due to the structure of the LED module 120 as described above, only the first power supply line 131 and the second power supply line 132 that supply power from the transparent light emitting plate 110 to the LED module 120 exist, and the LED module 120. The wiring line for applying the blinking control signal to is eliminated.

  In the present invention, the blinking control signal is received wirelessly using the reception control module 123 and the blinking of the LED chip 125 is controlled, so that the RED chip 125a and the GREEN forming the LED chip 125 are compared with the related art. Complex wiring lines respectively connected to the chip 125b and the BLUE chip 125c are removed, and as a result, the pitch interval between the LED modules 120 on the transparent electroluminescent plate 110 can be reduced. Accordingly, the present invention can increase the overall resolution of the transparent electro-optic plate 110 by providing more LED modules 120 on the transparent electro-optic plate 110 having the same standard as before.

  Further, the present invention eliminates complicated wiring lines respectively connected to the RED chip 125a, the GREEN chip 125b, and the BLUE chip 125c forming the LED chip 125 as compared with the prior art, thereby providing a complicated wiring structure. Interference of the blinking control signal due to can be eliminated.

  Hereinafter, the transmission control unit 150 will be described.

  The transmission control unit 150 receives an external video signal, converts the video signal into a flashing control signal, and wirelessly transmits the flashing control signal to the reception control module 123.

  As shown in FIG. 4, the transmission control unit 150 may divide the transparent electric light board 110 into a plurality of unit areas and individually transmit a blinking control signal for each unit area.

  The transmission control unit 150 includes a plurality of transmission modules 150A, 150B, 150C, 150D, 150E, 150F and a main board 151. The main board 151 converts the video signal input from the personal computer 160 into a blinking control signal.

  The plurality of transmission modules 150A, 150B, 150C, 150D, 150E, and 150F wirelessly transmit a blinking control signal to the reception control module 123. The plurality of transmission modules 150A, 150B, 150C, 150D, 150E, and 150F are transparent electric light boards 110 divided into a plurality of unit areas 110A, 110B, 110C, 110D, 110E, and 110F, and a blinking control signal for each unit area Is transmitted to the LED module 120. In the unit area, the plurality of LED modules 120 are arranged in N × N (where 2 <N).

  When the plurality of transmission modules 150A, 150B, 150C, 150D, 150E, and 150F transmit the blinking control signal from the main board 151, each of the transmission modules 150A, 150B, 150C, 150D, 150E, and 150F has a unit area that is divided into a plurality of unit areas. A blink control signal that is individually divided is transmitted.

  For convenience of explanation, when the plurality of unit areas are divided into the first unit area 110A to the sixth unit area 110F, the plurality of transmission modules are the first transmission module 150A to the sixth transmission module 150F. It is divided into.

  The first transmission module 150A transmits a blinking control signal corresponding to the first unit area 110A divided by the main board 151 to the LED modules 120 in the first unit area 110A. The second transmission module 150B transmits a blinking control signal corresponding to the second unit area 110B divided by the main board 151 to the LED modules 120 in the second unit area 110B.

  The third transmission module 150C to the sixth transmission module 150F are also controlled to blink to the third unit area 110C to the sixth unit area 110F in the same manner as the first transmission module 150A and the second transmission module 150B. Send signals individually.

  Accordingly, the present invention receives the blinking control signal while the LED module 120 is individually wirelessly communicated with the transmission module for each unit area, and displays the image based on the blinking control signal on the LED transparent light board 110 at a fast response speed. can do.

  The present invention described above is not limited in any way by the above-described embodiments and the accompanying drawings, and the present invention belongs to the fact that various substitutions, modifications and changes can be made without departing from the technical idea of the present invention. It is obvious to those who have ordinary knowledge in the technical field.

DESCRIPTION OF SYMBOLS 100 Radio | wireless control type | mold transparent lightning device 110 Transparent lightning board 120 LED module 121 DC-DC converter 123 Reception control module 125 LED chip 131 1st power supply line 132 2nd power supply line 150 Transmission control part

Claims (7)

A plurality of LED modules each including an LED chip and a reception control module that receives a blinking control signal by wireless communication and controls blinking of the LED chip based on the blinking control signal;
A radio-controlled transparent lightning device comprising: a plurality of LED modules, and a transparent lightning plate provided with a predetermined pitch interval. The LED module
A DC-DC converter that transforms an input DC voltage into a low DC voltage and applies power to the LED chip is further provided to provide a uniform DC voltage to the plurality of LED modules. Item 2. The wireless control type transparent lightning device according to item 1. A transmission control unit wirelessly communicating with the reception control module;
The wireless control according to claim 1, wherein the transmission control unit receives an external video signal, converts the video signal into the blink control signal, and wirelessly transmits the signal to the reception control module. Type transparent lightning device.   4. The transmission control unit according to claim 3, further comprising: a plurality of transmission modules that divide the transparent electric light board into a plurality of unit areas and individually transmit the blinking control signal for each unit area. Wireless control type transparent lightning device. The transparent lightning plate is formed by arranging the plurality of LED modules in a matrix at a predetermined pitch interval,
A plurality of first power lines connecting the negative electrodes of the plurality of LED modules in a lateral direction of the plurality of LED modules;
A plurality of second power lines connecting the positive electrodes of the plurality of LED modules in the vertical direction of the plurality of LED modules;
With
2. The wireless control type transparent lightning device according to claim 1, wherein the LED modules are individually blinked by ON / OFF control of power to the LED chip of the reception control module by the blinking control signal. .   The wireless control type transparent lightning device according to claim 1, wherein the LED chip is at least one of a RED chip, a GREEN chip, and a BLUE chip.   The wireless control type transparent lightning device according to claim 1, wherein the LED chip forms one pixel of the transparent lightning plate while blinking based on the blinking control signal.

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