KR101898172B1 - Electronic display module device including redundant wire and controller, and electronic display system employing the same - Google Patents

Electronic display module device including redundant wire and controller, and electronic display system employing the same Download PDF

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Publication number
KR101898172B1
KR101898172B1 KR1020150181448A KR20150181448A KR101898172B1 KR 101898172 B1 KR101898172 B1 KR 101898172B1 KR 1020150181448 A KR1020150181448 A KR 1020150181448A KR 20150181448 A KR20150181448 A KR 20150181448A KR 101898172 B1 KR101898172 B1 KR 101898172B1
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KR
South Korea
Prior art keywords
video signal
unit
input
stream
module device
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KR1020150181448A
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Korean (ko)
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KR20170073054A (en
Inventor
김범석
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빛샘전자 주식회사
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric sign board module device and a electric sign board system employing the same. According to another aspect of the present invention, there is provided a display module device comprising: a light emitting unit having a plurality of light sources arranged therein; A driving unit for driving the light emitting unit; And a plurality of control units providing the video signals to the driving unit, and one of the plurality of control units providing the video signals to the driving unit when one of them does not normally provide the video signal to the driving unit.

Figure R1020150181448

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic circuit board module having a line and a controller redundantly formed therein, and an electronic circuit board system employing the electronic circuit module.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric sign board module device and a electric sign board system employing the same.

LEDs and the like are arranged on a flat surface to display images of various characters and pictures are widely used as score boards, bulletin boards, billboards, and the like. The electric signboards vary in size depending on the application field and application. Generally, in the case of a large electric signboard, a plurality of electric signboard modules are connected together like a tile rather than a single module as a whole.

In an electric panel system composed of a plurality of electric panel modules, the electric panel modules are cascade-connected, so that a video signal stream is sequentially provided through each electric panel module. Therefore, if any one of the electric panel modules constituting the electric panel system malfunctions, the modules disposed at the rear end of the electric panel module can not operate normally. In addition to the failure of the controller of the electric panel module, when an abnormality occurs in the line connecting the electric panel modules, the modules disposed at the rear end of the line can not receive the image signal stream, and the image can not be displayed on the screen.

In the case where a failure occurs in the display panel, a part or the whole of the display panel can not be normally operated until it is repaired or replaced, so that the display can not be used for its intended purpose. Especially, in the environment where the electric signboard is buried below the ice sheet of the ice rink or installed in a high-rise building, it is inconvenient or damages due to failure of the electric signboard in an environment where the administrator can not access for maintenance.

It is an object of the present invention to provide an electric sign board module device and an electric signboard panel system in which the electric sign board module device and other electric sign board module devices disposed at the succeeding stage can normally operate even if the controller of the electric sign board module device fails.

An object of the present invention is to provide an electric sign board module device and an electric signboard panel system in which the electric sign board module devices disposed at the rear end of the electric signboard module devices can operate normally even if an abnormality occurs in a line connecting the electric sign board module devices.

According to another aspect of the present invention, there is provided a display module device comprising: a light emitting unit having a plurality of light sources arranged therein; A driving unit for driving the light emitting unit; And a plurality of control units providing the video signals to the driving unit, and one of the plurality of control units providing the video signals to the driving unit when one of them does not normally provide the video signal to the driving unit.

The plurality of control units include: a first input / output unit for receiving a video signal stream provided to a plurality of cascaded electronic display module devices from a front electronic module device and outputting the video signal stream to a rear electronic module device; A first video signal acquiring unit that receives the video signal stream from the first input / output unit and acquires a video signal for the electronic display module device from the video signal stream, and a second video signal acquiring unit that acquires the video signal acquired by the first video signal acquiring unit, A first control unit including a first transmission unit for transmitting the first control signal; A second input / output unit receiving the video signal stream from the front-end display panel module device and outputting the video signal stream to the rear-end display panel module device, a second input / output unit receiving the video signal stream from the second input / A second image signal acquisition unit for acquiring an image signal for the electric panel module device from the signal stream and a second transfer unit for transferring the image signal acquired by the second image signal acquisition unit to the driving unit, ; ≪ / RTI >

Wherein the first video signal obtaining unit generates a pulse signal based on the video signal stream and transmits the pulse signal to the second video signal obtaining unit, and the second video signal obtaining unit obtains the first video signal based on the pulse signal, It is possible to determine whether the part is normal or abnormal.

The first video signal obtaining unit may obtain at least one of a vertical synchronizing signal and a horizontal synchronizing signal for the electric panel module device from the video signal stream to generate the pulse signal at predetermined intervals.

The second video signal obtaining unit may determine that the first video signal obtaining unit is abnormal if the pulse signal is not received for a predetermined time.

The second video signal obtaining unit may block the second transmitting unit so that the second transmitting unit does not transmit the video signal to the driving unit when the first video signal obtaining unit is in the steady state.

The second image signal obtaining unit may block the first transmitting unit such that the first transmitting unit does not transmit an image signal to the driving unit when the first image signal obtaining unit is in an abnormal state, The second transmission unit may be connected to transmit an image signal.

Wherein the first input / output unit transfers the first video signal stream received from the front-end electronic board module device to the first and second video signal acquisition units, and the second input / output unit receives the first video signal stream received from the front- And the first video signal obtaining unit processes the first and second video signal streams received from the first and second input / output units, respectively, and outputs the first and second video signal streams to the first and second video signal obtaining units, respectively, And a second processed video signal stream, and transfers the first and second processed video signal streams to the first and second input / output units, respectively, and the second video signal obtaining unit obtains the first processed video signal stream from the first and second input / Processing the first and second video signal streams received respectively to generate third and fourth processed video signal streams, And the first input / output unit selects one of the first and third processed video signal streams received from the first and second video signal obtaining units, respectively, and transmits the first and third processed video signal streams to the first and second input / And the second input / output unit selects one of the second and fourth processed video signal streams received from the first and second video signal obtaining units, respectively, and outputs the selected one of the second and the fourth processed video signal streams to the rear- .

Wherein the second video signal obtaining unit is configured to: if the first video signal obtaining unit is in a steady state, to cause the first input / output unit to select the first processed video signal stream from among the first and third processed video signal streams, Can be controlled.

Wherein the second video signal obtaining unit is configured to determine whether the first input / output unit selects the third processed video signal stream among the first and third processed video signal streams, when the first video signal obtaining unit is in an abnormal state, Can be controlled.

An electric billboard system according to an embodiment of the present invention includes: a video signal stream providing apparatus for providing a video signal stream; And a display panel for receiving the image signal stream and displaying an image, the display panel comprising: a light emitting portion having a plurality of light sources arranged therein; A driving unit for driving the light emitting unit; And a plurality of control units for providing a video signal to the driving unit and providing one of the video signals to the driving unit when one of them does not normally provide the video signal to the driving unit, can do.

According to the embodiment of the present invention, even if any one of the cascade-connected electric panel module devices fails, the electric panel module device and the other electric panel module devices disposed at the subsequent stage can operate normally.

According to the embodiment of the present invention, even if an abnormality occurs in the line connecting the electric panel module devices, the electric panel module devices disposed at the rear end of the line can operate normally.

1 is a schematic block diagram of a display panel system according to an embodiment of the present invention.
2 is an exemplary block diagram of an electric sign board module apparatus according to an embodiment of the present invention.
3 is an exemplary block diagram showing a wiring structure of a display board system according to an embodiment of the present invention.
4 is an exemplary block diagram of a control unit included in the electric sign board module apparatus according to an embodiment of the present invention.
5 is an exemplary diagram illustrating a pulse signal generated in a first video signal acquisition unit and transmitted to a second video signal acquisition unit according to an embodiment of the present invention.
6 illustrates a process of selecting one processed video signal stream among the first and third processed video signal streams received from the first and second video signal obtaining units by the first input / output unit according to an embodiment of the present invention Fig.
7 illustrates a process of selecting one processed video signal stream from the second and fourth processed video signal streams received from the first and second video signal obtaining units by the second input / output unit according to an embodiment of the present invention Fig.

Other advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

Unless defined otherwise, all terms (including technical or scientific terms) used herein have the same meaning as commonly accepted by the generic art in the prior art to which this invention belongs. Terms defined by generic dictionaries may be interpreted to have the same meaning as in the related art and / or in the text of this application, and may be conceptualized or overly formalized, even if not expressly defined herein I will not.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. As used herein, the terms' comprise 'and / or various forms of use of the verb include, for example,' including, '' including, '' including, '' including, Steps, operations, and / or elements do not preclude the presence or addition of one or more other compositions, components, components, steps, operations, and / or components. The term 'and / or' as used herein refers to each of the listed configurations or various combinations thereof.

It should be noted that the terms such as '~', '~ period', '~ block', 'module', etc. used in the entire specification may mean a unit for processing at least one function or operation. For example, a hardware component, such as a software, FPGA, or ASIC. However, '~ part', '~ period', '~ block', '~ module' are not meant to be limited to software or hardware. Modules may be configured to be addressable storage media and may be configured to play one or more processors. ≪ RTI ID = 0.0 >

Thus, by way of example, the terms 'to', 'to', 'to block', 'to module' refer to components such as software components, object oriented software components, class components and task components Microcode, circuitry, data, databases, data structures, tables, arrays, and the like, as well as components, Variables. The functions provided in the components and in the sections ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ' , '~', '~', '~', '~', And '~' modules with additional components.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings attached hereto.

1 is a schematic block diagram of a display panel system 10 according to an embodiment of the present invention.

Referring to FIG. 1, the electric sign board system 10 includes an image signal stream providing apparatus 100 and an electric sign board 200. The video signal stream providing apparatus 100 provides a video signal stream to the display panel 200. The electric sign board 200 receives the image signal stream and displays an image.

The electric sign board 200 includes at least one electric sign board module device 210. 1, when the electric sign board 200 includes a plurality of electric sign board module devices 210, the electric sign board 200 may include at least one of a transverse direction and a longitudinal direction of the electric sign board module device 210 Direction to a predetermined size.

According to an embodiment of the present invention, the video signal stream providing apparatus 100 includes a VDU (Video Distribution Unit) for distributing a video signal to at least one electric panel module device 210 constituting the electric sign board 200 can do.

2 is an exemplary block diagram of an electronic sign board module device 210 according to an embodiment of the present invention.

2, the electric sign board module device 210 includes a light emitting unit 211, a driving unit 212, and a plurality of control units 213.

The light emitting unit 211 includes a plurality of light sources. As shown in FIG. 2, the light emitting unit 211 includes a plurality of pixels P arranged in a matrix structure. Each pixel P may include a light source corresponding to red, green, and blue. Here, the light source may include an LED, but is not limited thereto and includes any optical device capable of emitting light of a predetermined color such as a lamp or a light bulb.

The driving unit 212 drives the light emitting unit 211. The driving unit 212 may adjust the brightness of the light source by adjusting a driving current supplied to the light source of the light emitting unit 211 according to a video signal supplied from the video signal stream providing apparatus 100.

The control unit 213 provides the video signal to the driving unit 212. When one of the video signals is not normally supplied to the driving unit 212, .

In other words, in the embodiment of the present invention, the electric panel module device 210 includes N control units 213 which process the image signal stream and acquire image signals used in the electric panel module device 210, It is possible to prevent the operation of the electric sign board module device 210 from being interrupted due to a malfunction of one control unit.

3 is an exemplary block diagram showing the wiring structure of the electric sign board system 10 according to an embodiment of the present invention.

3, the electric sign board system 10 may include a plurality of electric sign board module devices 210 1 , 210 2 ,..., And 210 M cascaded to the video signal stream providing device 100 . The video signal stream providing apparatus 100 may multiplex the video signal streams provided to the plurality of display panel module devices 210 1 , 210 2 , ..., 210 M into the first video signal stream and the second video signal stream, Lt; / RTI >

The first video signal stream and the second video signal stream are configured to be identical to each other, and the video signal stream providing apparatus 100 includes the plurality of display panel module devices 210 1 , 210 2 , ..., 210 M , The same data can be transmitted in the same stream structure.

In addition, the module from the electronic board unit (210 M) located nearest to the last stage of the video signal stream supply device 100 includes a plurality of electronic board module device (210 1, 210 2, ... , 210 M) cascaded 1 and the second video signal stream.

As described above, according to the embodiment of the present invention, two or more lines connecting adjacent electric panel module devices can be constructed redundantly so that even if an abnormality occurs in any one of the lines, the electric panel module device disposed at the rear end of the line can operate normally .

4 is an exemplary block diagram of a control unit 213 included in the electric sign board module apparatus 210 according to an embodiment of the present invention.

4, the controller 213 may include a first controller 213 1 and a second controller 213 2 according to an embodiment of the present invention.

The first control unit 213 1 receives a video signal stream provided to a plurality of cascade-connected electric panel module devices 210 1 , 210 2 , ..., and 210 M from a front-end electric panel module device, The image signal used in the module device can be obtained. Similarly, the second controller 213 2 may also receive the image signal stream from the front panel module and process the image signal stream to obtain the image signal used in the panel module.

Specifically, the first control unit 213 1 may include a first input / output unit 2131 1 , a first video signal acquisition unit 2132 1 , and a first transmission unit 2133 1 . The second control unit 213 2 may include a second input / output unit 2131 2 , a second video signal acquisition unit 2132 2 , and a second transfer unit 2133 2 .

The first input / output unit 2131 1 receives the video signal stream from the front panel module and outputs the video signal stream to the rear panel module. The first video signal obtaining unit 2132 1 receives the video signal stream from the first input / output unit 2131 1 , and can acquire a video signal for the corresponding electric panel module device from the video signal stream. The first transmitting unit 2133 1 may transmit the video signal obtained by the first video signal obtaining unit 2132 1 to the driving unit 212.

The second input / output unit 2131 2 receives the video signal stream from the front panel module device and outputs the video signal stream to the rear panel module device. The second video signal obtaining unit 2132 2 receives the video signal stream from the second input / output unit 2131 2 and obtains the video signal for the corresponding electric panel module device from the video signal stream. The second transmitting unit 2133 2 may transmit the image signal obtained by the second image signal obtaining unit 2132 2 to the driving unit 212.

In this manner, the first controller 213 1 and the second controller 213 2 may perform a process of acquiring a video signal to be provided to the driver 212 from a video signal stream. Therefore, in this portion, the first control unit 213 1 and the second control unit 213 2 have the same configuration.

2, the first video signal obtaining unit 2132 1 generates a pulse signal based on the video signal stream and outputs the pulse signal to the second video signal obtaining unit 2132 2 ). The second video signal obtaining unit 2132 2 may determine whether the first video signal obtaining unit 2132 1 is normal or abnormal based on the pulse signal.

Figure 5 is an exemplary diagram is generated by the first image signal obtaining unit (2132 1) according to one embodiment of the invention showing a pulse signal transmitted to the second video signal pickup unit (2132 2).

As shown in FIG. 5, the first video signal obtaining unit 2132 1 generates a pulse signal repeated every predetermined period based on the first video signal stream received through the first input / output unit 2131 1 and it can be transferred to the second image signal acquisition unit (2132 2) of the pulse signal.

According to an embodiment of the present invention, the first video signal obtaining unit 2132 1 obtains at least one of a vertical synchronizing signal and a horizontal synchronizing signal for the electric panel module device from the video signal stream, Signal can be generated.

The video signal stream provided from the video signal stream providing apparatus 100 includes a vertical synchronizing signal for determining a vertical position of an image displayed on the electric panel module device 210 and a horizontal synchronizing signal for determining a horizontal position of the image Therefore, in the embodiment of the present invention, the first video signal obtaining unit 2132 1 extracts the vertical synchronizing signal, the horizontal synchronizing signal, or both signals from the video signal stream, 2 ).

According to an embodiment of the present invention, if the pulse signal is not received from the first video signal obtaining unit 2132 1 for a preset time, the second video signal obtaining unit 2132 2 may obtain the first The video signal acquisition unit 2132 1 can be determined as an abnormal state. On the other hand, the second image signal acquisition unit (2132 2) is the first and if the pulse signal is normally received from the video signal obtaining unit (2132 1), the first video image signal obtaining unit (2132 1) for determining a normal state .

Thus, embodiments of the invention the first video signal obtaining unit (2132 1) is based on a periodical pulse signal obtained from the video signal stream, obtaining the second video signal portion (2132 2) of the first video signal by monitoring the acquisition unit (2132 1) and the first Despite over operation of the video signal obtaining unit (2132 1) and the second a match module unit 210, the video signal acquisition section (2132 2) to operate properly .

The second video signal acquisition unit 2132 2 may transmit the second video signal to the second transmission unit 2132 2 connected to the second video signal acquisition unit 2132 2 when the first video signal acquisition unit 2132 1 is in a normal state, 2133 2 can block the second transmission unit 2133 2 from transmitting the video signal to the driving unit 212.

And, the second video signal obtaining unit (2132 2) of the first image signal acquisition unit (2132 1) is an abnormal state of the case, wherein the first transmission unit connected to the first video signal obtaining unit (2132 1) (2133 1 blocks the first transmitting unit 2133 1 to prevent the video signal from being transmitted to the driving unit 212 and the second transmitting unit 2133 2 transmits the video signal to the driving unit 212, 2 transfer unit 2133 2 can be connected.

The second video signal obtaining unit 2132 2 may generate a first control signal C 1 for connection or disconnection of the first transmitting unit 2133 1 and provide the first control signal C 1 to the first transmitting unit 2133 1 . Similarly, the first to provide a second image signal obtaining unit (2132 2) the second transmission unit (2133 2) to produce a second control signal C 2 to connect or cut off the second transfer unit (2133 1) of .

As a result, according to the embodiment of the present invention, when the first video signal obtaining unit 2132 1 operates normally among the first and second video signal obtaining units 2132 1 and 2132 2 , The controller 213 provides the video signal to the driving unit 212 through the first controller 213 1 and the first controller 213 when the first video signal acquiring unit 2132 1 does not operate normally 1 from the first controller 213 and supplies the video signal to the driver 212 through the second controller 213 2 .

Further, according to the embodiment of the present invention, the electric sign board module device 210 may be configured to repeatedly transmit the image signal stream to the electric sign board module device disposed at the rear end even if abnormality occurs in any of the redundantly constructed lines.

4, the first input / output unit 2131 1 may transmit the first video signal stream received from the front panel display module device to the first and second video signal acquisition units 2132 1 and 2132 2 have. Also, the second input / output unit 2131 2 may transmit the second video signal stream received from the front panel display module device to the first and second video signal acquisition units 2132 1 and 2132 2 .

The first video signal obtaining unit 2132 1 processes the first and second video signal streams received from the first and second input / output units 2131 1 and 2131 2 , respectively, and outputs the first and second video signal streams to the first and second And may transmit the first and second processed video signal streams to the first and second input / output units 2131 1 and 2131 2 , respectively. The second video signal obtaining unit 2132 2 processes the first and second video signal streams received from the first and second input / output units 2131 1 and 2131 2 , respectively, And may transmit the third and fourth processed video signal streams to the first and second input / output units 2131 1 and 2131 2 , respectively.

Here, the processed video signal stream is processed by the first and second video signal acquiring units 2132 1 and 2132 2 through the first and second input / output units 2131 1 and 2131 2 . The first and second video signal acquisition units 2132 1 and 2132 2 receive the video signal stream and output the processed video signal stream so that the video signal stream transmitted from the display board module disposed at the preceding stage It is possible to remove the jitter by adjusting the amplitude or phase of the signal before transmitting it to the electric panel module device.

The first input / output unit 2131 1 selects one of the first and third processed video signal streams received from the first and second video signal obtaining units 2132 1 and 2132 2 , And output to the module device. The second input / output unit 2131 2 selects one of the second and fourth processed video signal streams received from the first and second video signal obtaining units 2132 1 and 2132 2 , And output to the module device.

According to this embodiment, when the first video signal obtaining unit 2132 1 is in a steady state, the second video signal obtaining unit 2132 2 detects that the first input / output unit 2131 1 is in the first and third The first input / output unit 2131 1 may be controlled to select the first processed video signal stream provided from the first video signal obtaining unit 2132 1 among the processed video signal streams.

In contrast, when the first video signal obtaining unit 2132 1 is in an abnormal state, the second video signal obtaining unit 2132 2 detects that the first input / output unit 2131 1 has received the first and third processed video signal streams Output unit 2131 1 to select a third processed video signal stream received from the second video signal obtaining unit 2132 2 from among the first processed video signal streams received from the first video signal obtaining unit 2132 2 .

6 is from the first output unit (2131 1) of the first and second image signal acquisition unit the first and the third processed video signal stream received from each of (2132 1, 2132 2) according to one embodiment of the invention And a process of selecting one processed video signal stream.

Referring to FIG. 6, the first input / output unit 2131 1 may include a first multiplexer (MUX 1 ). The first multiplexer MUX 1 receives the first and third processed video signal streams and selects one of the two input signals according to the third control signal C 3 .

The second video signal obtaining unit 2132 2 may generate the third control signal C 3 to control the first multiplexer MUX 1 and provide the third control signal C 3 to the first input / output unit 2131 1 .

FIG. 7 is a diagram illustrating the second and the fourth processed video signal streams received from the first and second video signal obtaining units 2132 1 and 2132 2 , respectively, by the second input / output unit 2131 2 according to an embodiment of the present invention. And a process of selecting one processed video signal stream.

According to an embodiment of the invention, obtaining the second video signal portion (2132 2) the second and the second input and output unit (2131, 2) the acquiring unit (2132 1) and the second image signal is a normal state The second input / output unit 2131 2 may be controlled to select the fourth processed video signal stream provided from the second video signal obtaining unit 2132 2 among the fourth processed video signal streams.

Referring to FIG. 7, the second input / output unit 2131 2 may include a second multiplexer (MUX 2 ). The second multiplexer MUX 2 may receive the second and fourth processed video signal streams and select one of the two input signals according to the fourth control signal C 4 .

The second video signal obtaining unit 2132 2 may generate the fourth control signal C 4 to control the second multiplexer MUX 2 and provide the fourth control signal C 4 to the second input / output unit 2131 2 .

According to the embodiment described above, the electric sign board module device 210 includes a plurality of lines (for example, a first line for transmitting a first video signal stream in FIG. 3 and a second line for transmitting a second video signal stream The second line for transmitting the video signal to the electric panel module device disposed at the rear end.

According to the embodiment, the first video signal obtaining unit 2132 1 generates a pulse signal based on the first video signal stream, and the second video signal obtaining unit 2132 2 uses the pulse signal to generate the 1 image signal acquisition unit 2132 1 may be performed inversely between the first image signal acquisition unit 2132 1 and the second image signal acquisition unit 2132 2 . 4, the second video signal obtaining unit 2132 2 generates a pulse signal based on the second video signal stream, and the first video signal obtaining unit 2132 1 obtains the pulse signal May be used to monitor the second video signal acquisition unit 2132 2 . In this case, the first to generation and control of the fourth control signal (C 1 to C 4) according to the second acquired image signal portion (2132 2) in correspondence with the first image signal acquisition unit (2132 1) .

According to an embodiment of the present invention, the first and second input / output units 2131 1 and 2131 2 receive a video signal stream in the form of an optical signal, convert the input video signal stream into an electric signal form, delivered to the unit (2132 1, 2132 2), the first and second image signal acquisition unit (2132 1, 2132 2) from receiving the processed video signal stream of electrical signals form light which converts the optical signal form Modules.

Also, according to an embodiment of the present invention, the first and second video signal acquisition units 2132 1 and 2132 2 may include a programmable FPGA (Field Programmable Gate Array).

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Those skilled in the art will appreciate that various modifications may be made to the embodiments described above. The scope of the present invention is defined only by the interpretation of the appended claims.

10: Display Board System
100: a video signal stream providing apparatus
200:
210: electric sign board module device
211:
212:
213:
213 1 : first control section
213 2 : second control section
2131 1 : first input / output unit
2131 2 : second input / output unit
2132 1 : first image signal acquisition unit
2132 2 : the second video signal obtaining unit
2133 1 : first transmission part
2133 2 :

Claims (11)

A light emitting portion in which a plurality of light sources are arranged;
A driving unit for driving the light emitting unit; And
A plurality of control units for providing video signals to the driving unit, one for providing video signals to the driving unit, and the other for providing video signals to the driving unit;
Lt; / RTI >
The plurality of control units comprising:
A first input / output unit for receiving a video signal stream provided to a plurality of cascaded electronic display module devices from a front electronic module device and outputting the video signal stream to a rear electronic module device,
A first image signal acquisition unit that receives the image signal stream from the first input / output unit and acquires a video signal for the electric panel module device from the image signal stream,
A first transmitting unit for transmitting the video signal acquired by the first video signal acquiring unit to the driving unit,
A first control unit including a first control unit; And
A second input / output unit for receiving the video signal stream from the front panel module and outputting the video signal stream to the rear panel module,
A second video signal acquiring unit that receives the video signal stream from the second input / output unit and acquires a video signal for the corresponding electric panel module device from the video signal stream,
A second transmitting unit for transmitting the video signal acquired by the second video signal acquiring unit to the driving unit,
And a second control unit,
Wherein the first video signal obtaining unit comprises:
Generating a pulse signal based on the video signal stream and transmitting the pulse signal to the second video signal acquiring unit,
Wherein the second video signal obtaining unit comprises:
And determines whether the first video signal obtaining unit is normal or abnormal based on the pulse signal. delete delete The method according to claim 1,
Wherein the first video signal obtaining unit comprises:
And at least one of a vertical synchronizing signal and a horizontal synchronizing signal for the electric panel module device is obtained from the video signal stream to generate the pulse signal at predetermined intervals. The method according to claim 1,
Wherein the second video signal obtaining unit comprises:
And determines the first video signal obtaining unit to be in an abnormal state if the pulse signal is not received for a predetermined time. The method according to claim 1,
Wherein the second video signal obtaining unit comprises:
Wherein the second transfer unit blocks the second transfer unit so that the second transfer unit can not transmit the image signal to the driving unit when the first image signal acquisition unit is in the normal state. The method according to claim 1,
Wherein the second video signal obtaining unit comprises:
The second transfer unit blocks the first transfer unit to prevent the first transfer unit from transmitting an image signal to the drive unit when the first image signal acquisition unit is in an abnormal state, And an electric circuit board module device for connecting the transfer part. The method according to claim 1,
Wherein the first input / output unit transmits a first video signal stream received from the front panel module to the first and second video signal acquisition units,
Wherein the second input / output unit transmits a second video signal stream received from the front panel module to the first and second video signal acquisition units,
Wherein the first video signal obtaining unit processes the first and second video signal streams respectively received from the first and second input / output units to generate first and second processed video signal streams, respectively, 2 processed video signal streams to the first and second input / output units, respectively,
Wherein the second video signal obtaining unit processes the first and second video signal streams respectively received from the first and second input / output units to generate third and fourth processed video signal streams, respectively, 4 processing video signal streams to the first and second input / output units, respectively,
Wherein the first input / output unit selects one of the first and third processed video signal streams received from the first and second video signal obtaining units, respectively, and outputs the selected one to the next electric panel module device,
And the second input / output unit selects one of the second and fourth processed video signal streams received from the first and second video signal obtaining units, respectively, and outputs the selected one of the second and the fourth processed video signal streams to the next electric panel module device. 9. The method of claim 8,
Wherein the second video signal obtaining unit comprises:
Wherein the first input / output unit controls the first input / output unit to select the first processed video signal stream among the first and third processed video signal streams when the first video signal obtaining unit is in the steady state. 9. The method of claim 8,
Wherein the second video signal obtaining unit comprises:
Wherein the first input / output unit controls the first input / output unit to select the third processed video signal stream from the first and third processed video signal streams when the first video signal obtaining unit is in an abnormal state. A video signal stream providing device for providing a video signal stream; And
And a display panel for receiving the image signal stream and displaying an image, wherein the display panel comprises:
A light emitting portion in which a plurality of light sources are arranged;
A driving unit for driving the light emitting unit; And
A plurality of control units for providing video signals to the driving unit, one for providing video signals to the driving unit, and the other for providing video signals to the driving unit;
Lt; / RTI >
The plurality of control units comprising:
A first input / output unit for receiving a video signal stream provided to a plurality of cascaded electronic display module devices from a front electronic module device and outputting the video signal stream to a rear electronic module device,
A first image signal acquisition unit that receives the image signal stream from the first input / output unit and acquires a video signal for the electric panel module device from the image signal stream,
A first transmitting unit for transmitting the video signal acquired by the first video signal acquiring unit to the driving unit,
A first control unit including a first control unit; And
A second input / output unit for receiving the video signal stream from the front panel module and outputting the video signal stream to the rear panel module,
A second video signal acquiring unit that receives the video signal stream from the second input / output unit and acquires a video signal for the corresponding electric panel module device from the video signal stream,
A second transmitting unit for transmitting the video signal acquired by the second video signal acquiring unit to the driving unit,
And a second control unit,
Wherein the first video signal obtaining unit comprises:
Generating a pulse signal based on the video signal stream and transmitting the pulse signal to the second video signal acquiring unit,
Wherein the second video signal obtaining unit comprises:
And an electric panel module device for discriminating whether the first image signal obtaining unit is normal or abnormal based on the pulse signal.
KR1020150181448A 2015-12-18 2015-12-18 Electronic display module device including redundant wire and controller, and electronic display system employing the same KR101898172B1 (en)

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