CN109427288A - Displaying screen controller, display control program and method - Google Patents
Displaying screen controller, display control program and method Download PDFInfo
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- CN109427288A CN109427288A CN201710769616.9A CN201710769616A CN109427288A CN 109427288 A CN109427288 A CN 109427288A CN 201710769616 A CN201710769616 A CN 201710769616A CN 109427288 A CN109427288 A CN 109427288A
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- interface
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- driving circuit
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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]
Abstract
The embodiment of the invention discloses a kind of displaying screen controllers, comprising: video interface, video decoding circuit, governor circuit, the first driving circuit, first interface, the second driving circuit and second interface；Wherein, the video decoding circuit is connected between the video interface and the governor circuit, first driving circuit is connected between the first interface and the governor circuit, and second driving circuit is connected between the second interface and the governor circuit；The governor circuit is provided with signal TCU transfer control unit, and the signal TCU transfer control unit is used to that the first signal of the governor circuit will to be input to via first driving circuit, is converted into second signal and exports to second driving circuit.In addition, the embodiment of the invention also discloses the display control programs and method that are relevant to the displaying screen controller.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of displaying screen controller, a kind of display control program and
A kind of display control method.
Background technique
Currently, LED display is typically all to be spliced by multiple LED boxes, each LED box is fitted with reception
Card, card is received when electrifying startup can show picture material in LED box.In general, LED display needs to arrange in pairs or groups, front end is aobvious
Show control system just and can be carried out image and normally shows；However various functions of the equipments used by existing display control program compare
It is single, lead to the equipment for needing to carry a variety of different function when building LED display system at the scene, and this kind of need carrying is a variety of
The demand of the equipment of different function will cause user scene and build the not convenient of system.
Summary of the invention
Therefore, the embodiment of the present invention provides a kind of displaying screen controller, a kind of display control program and a kind of display
Control method, to realize the technical effect for promoting the convenience that user's fielded system is built.
On the one hand, a kind of displaying screen controller is provided, comprising: video interface, video decoding circuit, governor circuit,
One drive circuit, first interface, the second driving circuit and second interface；Wherein, the video decoding circuit is connected to the view
Between frequency interface and the governor circuit, first driving circuit be connected to the first interface and the governor circuit it
Between, second driving circuit is connected between the second interface and the governor circuit；The governor circuit is provided with letter
Number TCU transfer control unit, the signal TCU transfer control unit via first driving circuit for that will be input to the master control electricity
First signal on road is converted into second signal and exports to second driving circuit.
In one embodiment of the invention, the governor circuit is additionally provided with signal replication allocation unit, the signal
The vision signal that duplication allocation unit is used to input the video interface is being sent into the master via the video decoding circuit
Duplication distribution is carried out after control circuit, for output to first driving circuit and second driving circuit.
In one embodiment of the invention, the governor circuit includes microcontroller and programmable logic device, described
Microcontroller connects the programmable logic device, and the video decoding circuit, first driving circuit and described second drive
Dynamic circuit is separately connected the programmable logic device, and the signal TCU transfer control unit is built in the programmable logic device
Part.
In one embodiment of the invention, the governor circuit includes microcontroller and programmable logic device, described
Microcontroller connects the programmable logic device, and the video decoding circuit, first driving circuit and described second drive
Dynamic circuit is separately connected the programmable logic device, and the signal TCU transfer control unit and the signal replication allocation unit
It is built in the programmable logic device.
In one embodiment of the invention, the first interface is optical fiber interface, and first driving circuit includes light
Module；The second interface is network interface, and second driving circuit includes ethernet PHY transceiver and is connected to described
Network transformer between network interface and the ethernet PHY transceiver.
In one embodiment of the invention, the quantity of the first interface is four and the quantity of the second interface is
16；Or the quantity of the first interface is two and the quantity of the second interface is eight.
In another aspect, providing a kind of display control program, the first display screen and second display screen are carried for band, it is described aobvious
Show that control system includes: the first displaying screen controller and second display screen controller, first displaying screen controller is provided with
First video interface, first interface, second interface and signal replication allocation unit, the second display screen controller are provided with
Two video interfaces, third interface, the 4th interface and signal TCU transfer control unit；The first interface connects the third interface,
The second interface is for connecting first display screen, and the 4th interface is for connecting the second display screen, the letter
Number duplication allocation unit connects the first interface and the second interface, and the signal TCU transfer control unit connects the third
Interface and the 4th interface；The first interface and the third interface are first kind interface, the second interface and institute
Stating the 4th interface is the Second Type interface different from the first kind.
In one embodiment of the invention, first displaying screen controller and the second display screen controller have
The first kind interface of identical quantity and Second Type interface with identical quantity.
In one embodiment of the invention, first displaying screen controller includes the first video decoding circuit, first
Governor circuit, the first driving circuit and the second driving circuit；First video decoding circuit, first driving circuit and institute
It states the second driving circuit and is separately connected first governor circuit, first video interface connects the first video decoding electricity
Road, the first interface connect first driving circuit, and the second interface connects second driving circuit, the signal
Duplication allocation unit is contained in first governor circuit.
In one embodiment of the invention, first governor circuit includes microcontroller and programmable logic device,
The microcontroller connects the programmable logic device, first video decoding circuit, first driving circuit and institute
It states the second driving circuit and is separately connected the programmable logic device, the signal replication allocation unit is built in described programmable
Logical device.
In one embodiment of the invention, the second display screen controller includes the second video decoding circuit, second
Governor circuit, third driving circuit and the 4th driving circuit；Second video decoding circuit, the third driving circuit and institute
It states the 4th driving circuit and is separately connected second governor circuit, second video interface connects the second video decoding electricity
Road, the third interface connect the third driving circuit, and the 4th interface connects the 4th driving circuit, the signal
TCU transfer control unit is contained in second governor circuit.
On the other hand, a kind of display control method is provided, comprising: receive video using the first displaying screen controller and believe
Number；Processing is carried out to the vision signal received using first displaying screen controller and generates processing rear video signal；
The processing rear video signal is exported by Second Type interface to the first display screen using first displaying screen controller
It performs image display and is exported by first kind interface to second display screen controller；And utilize the second display screen
Controller carries out letter to the processing rear video signal of the first kind interface from first displaying screen controller
Output is performed image display to second display screen after number conversion.
In one embodiment of the invention, the first kind interface is optical fiber interface, and the Second Type interface is
Network interface；The signal, which is converted to, converts optical signals into electric signal.
One technical solution of above-mentioned technical proposal has the advantages that by being designed to displaying screen controller, makes
Obtaining it can have function switching signal such as photoelectric converting function, so as to have both sending card function and signal conversion function
Can, so that the function of displaying screen controller is enhanced, application is more flexible, application range is wider, while can also mention
Rise the convenience that system is built at user scene.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the structural schematic diagram of one of first embodiment of the invention displaying screen controller；
Fig. 2 is the structural schematic diagram of one of first embodiment of the invention governor circuit；
Fig. 3 is the structural schematic diagram of one of second embodiment of the invention displaying screen controller；
Fig. 4 is the structural schematic diagram of one of second embodiment of the invention governor circuit；
Fig. 5 is the structural schematic diagram of one of third embodiment of the invention displaying screen controller；
Fig. 6 is the structural schematic diagram of one of third embodiment of the invention governor circuit；
Fig. 7 is the structural schematic diagram of one of fourth embodiment of the invention display control program.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First embodiment
Referring to Figure 1, a kind of structural schematic diagram of the displaying screen controller provided for first embodiment of the invention.Such as figure
Shown in 1, displaying screen controller 11 includes: governor circuit 111, video interface 113, video decoding circuit 115, driving circuit
117a, interface 119a, driving circuit 117b and interface 119b.
Wherein, video interface 113 receives vision signal input for connecting external video source.In the present embodiment, video
The quantity of interface 113 is either one or more, and video interface 113 is, for example, digital visual interface, simulation view
Frequency interface or combinations thereof.For example, video interface 113 is for example including HDMI interface, DP interface and/or dual link DVI interface.
Video decoding circuit 115 is connected between video interface 113 and governor circuit 111, is usually provided with video solution
Code chip, and set video decoding chip is related to the type of video interface 113.Such as when video interface 113 connects for DVI
Mouthful, then video decoding chip uses DVI video decoding chip；When video interface 113 is DP interface, then video decoding chip uses
DP video decoding chip；When video interface 113 is HDMI interface, then video decoding chip uses HDMI video decoding chip.
Governor circuit 111 is provided with signal TCU transfer control unit 1112, and signal TCU transfer control unit 1112 is mainly used for
Signal conversion.In a citing, as shown in Fig. 2, governor circuit 111 includes that programmable logic device 1110 and connection are programmable
Such as MCU of microcontroller 1111 of logical device 1110, signal TCU transfer control unit 1112 are built in programmable logic device
1110.More specifically, programmable logic device 1110 is, for example, FPGA, microcontroller 1111 is for example for loading and configuring FPGA
And the controller communicated as displaying screen controller 11 with external equipment, such as microcontroller 1111 can pass through 100,000,000
Network interface, serial ports, USB port etc. are interacted with external equipment, also can connect human-computer interaction device such as key, LCD screen etc..
Driving circuit 117a is connected between the programmable logic device 1110 of governor circuit 111 and interface 119a.This reality
It applying in example, interface 119a is optical fiber interface, and driving circuit 117a includes: optical module, for carrying out photoelectric conversion, such as can will
The electric signal that programmable logic device 1110 exports is converted into optical signal and is exported by optical fiber interface 119a.For example, light
Module can be SFP (Small Form-factor Pluggable, i.e. Small Form-Factor Pluggable) optical module.More specifically, being directed to
Multichannel interface 119a, driving circuit 117a are typically arranged with multiple optical modules, such as when interface 119a is four tunnel, driving electricity
Road 117a can configure four optical modules.Certainly, it is worth mentioning at this point that, the quantity of the interface 119a of the present embodiment does not limit
System, is able to satisfy practical application request.
Driving circuit 117b is connected between the programmable logic device 1110 of governor circuit 111 and interface 119b.This reality
It applying in example, interface 119b is network interface, and driving circuit 117b includes ethernet PHY transceiver (PHY), and in order to enhance signal
Transmission range can also add network transformer in the outlet side of ethernet PHY transceiver.More specifically, being connect for multichannel
Mouth 119b, driving circuit 117b are typically arranged with the combination of multichannel ethernet PHY transceiver and network transformer, such as
When interface 119b is 16 tunnel, driving circuit 117b can configure 16 road ethernet PHY transceivers and network transformer
Combination.Certainly, it is worth mentioning at this point that, the quantity of the interface 119b of the present embodiment and with no restrictions, being able to satisfy practical application needs
It asks.In addition, it is worth noting that, the setting of different types of interface 119a and interface 119b are conducive to display screen control
The output interface diversification of device 11, and then promote its compatibility；And in order to realize interface 119b with interface 119a with identical
Load capacity, the configuration quantity of interface 119a and interface 119b are than being preferably 1:4.In addition, interface 119b and interface 119a
Configuration quantity is not limited to 16 roads and four tunnels of aforementioned citing, is also possible to be eight roads and two-way respectively.
Hold above-mentioned, signal TCU transfer control unit 1112 is for will be input to governor circuit 111 via driving circuit 117a
First signal (the fiber data signal of the optical signal of for example, corresponding interface 119a input), is converted into second signal (for example,
Ethernet data signal) it exports to driving circuit 117b in order to be exported from interface 119b.In brief, signal in the present embodiment
The setting of TCU transfer control unit 1112, so that displaying screen controller 11 has photoelectric converting function.
Second embodiment
Fig. 3 is referred to, for a kind of structural schematic diagram for displaying screen controller that second embodiment of the invention provides.Such as figure
Shown in 3, displaying screen controller 31 includes: governor circuit 311, video interface 313, video decoding circuit 315, driving circuit
317a, interface 319a, driving circuit 317b and interface 319b.
Wherein, video interface 313 receives vision signal input for connecting external video source.In the present embodiment, video
The quantity of interface 313 is either one or more, and video interface 313 is, for example, digital visual interface, simulation view
Frequency interface or combinations thereof.For example, video interface 313 is for example including HDMI interface, DP interface and/or dual link DVI interface.
Video decoding circuit 315 is connected between video interface 313 and governor circuit 311, is usually provided with video solution
Code chip, and set video decoding chip is related to the type of video interface 313.Such as when video interface 313 connects for DVI
Mouthful, then video decoding chip uses DVI video decoding chip；When video interface 313 is DP interface, then video decoding chip uses
DP video decoding chip；When video interface 313 is HDMI interface, then video decoding chip uses HDMI video decoding chip.
Governor circuit 311 is provided with signal replication allocation unit 3112.In a citing, as shown in figure 4, governor circuit
311 include programmable logic device 3110 and such as MCU of microcontroller 3111 for connecting programmable logic device 3110, and signal is multiple
Allocation unit 3112 processed is built in programmable logic device 3110.More specifically, programmable logic device 3110 is, for example, FPGA,
Microcontroller 3111 is for example for loading and configuring FPGA and communicated with external equipment as displaying screen controller 31
Controller, such as microcontroller 3111 can be interacted by 100-M network Ethernet, serial ports, USB port etc. with external equipment, also can connect
Human-computer interaction device such as key, LCD screen etc..Typically, video decoding circuit 315 obtains the view of input from video interface 313
After frequency signal, data and control signal that decoding obtains are transmitted to the programmable logic device 3110 of governor circuit 311, may be programmed
Logical device 3110 is cached by internal or external RAM and carries out replacement clock domain and bit wide map function, then will place
Data after reason carry out duplication and are allocated for exporting.For example, the internal logic of programmable logic device 3110 may include
Data input module, dual port RAM and its control module, 24bit turn 8bit module, signal replication allocation unit 3112；Data are defeated
Enter module by the vision signal of input (including data, clock, enabled, row field sync signal) distribute to rear end dual port RAM and
Its control module, and the synchronization of whole system is controlled, the read-write operation of the control module control RAM of dual port RAM is especially right
Start to write, write and stop, start to read, read to stop the control of this four states: the data exported from dual port RAM are transmitted after parallel-serial conversion
To signal replication allocation unit 3112, signal replication allocation unit 3112 is then replicated to the data after parallel-serial conversion and root
The data-signal after duplication is packaged according to the unlike signal format needs of driving circuit 317a, 317b, for output to drive
Dynamic circuit 317a, 317b.
Driving circuit 317a is connected between the programmable logic device 3110 of governor circuit 311 and interface 319a.This reality
It applying in example, interface 319a is optical fiber interface, and driving circuit 317a includes: optical module, for carrying out photoelectric conversion, such as can will
The electric signal that programmable logic device 3110 exports is converted into optical signal and is exported by interface 319a.For example, optical module
It can be SFP optical module.More specifically, being directed to multichannel interface 319a, driving circuit 317a is typically arranged with multiple optical modules,
Such as when interface 319a is four tunnel, driving circuit 317a can configure four optical modules.Certainly, it is worth mentioning at this point that, this reality
The quantity of the interface 319a of example and with no restrictions is applied, practical application request is able to satisfy.
Driving circuit 317b is connected between the programmable logic device 3110 of governor circuit 311 and interface 319b.This reality
It applying in example, interface 319b is network interface, and driving circuit 317b includes ethernet PHY transceiver (PHY), and in order to enhance signal
Transmission range can also add network transformer in the outlet side of ethernet PHY transceiver.More specifically, being connect for multichannel
Mouth 319b, driving circuit 317b are typically arranged with the combination of multichannel ethernet PHY transceiver and network transformer, such as
When interface 319b is 16 tunnel, driving circuit 317b can configure 16 road ethernet PHY transceivers and network transformer
Combination.Certainly, it is worth mentioning at this point that, the quantity of the interface 319b of the present embodiment and with no restrictions, being able to satisfy practical application needs
It asks.In addition, it is worth noting that, the setting of different types of interface 319a and interface 319b are conducive to display screen control
The output interface diversification of device 31, and then promote its compatibility；And in order to realize interface 319b with interface 319a with identical
Load capacity, the configuration quantity of interface 319a and interface 319b are than being preferably 1:4.In addition, interface 319b and interface 319a
Configuration quantity is not limited to 16 roads and four tunnels of aforementioned citing, is also possible to be eight roads and two-way respectively.
3rd embodiment
Fig. 5 is referred to, for a kind of structural schematic diagram for displaying screen controller that third embodiment of the invention provides.Such as figure
Shown in 5, displaying screen controller 51 includes: governor circuit 511, video interface 513, video decoding circuit 515, driving circuit
517a, interface 519a, driving circuit 517b and interface 519b.
Wherein, video interface 513 receives vision signal input for connecting external video source.In the present embodiment, video
The quantity of interface 513 is either one or more, and video interface 513 is, for example, digital visual interface, simulation view
Frequency interface or combinations thereof.For example, video interface 513 is for example including HDMI interface, DP interface and/or dual link DVI interface.
Video decoding circuit 515 is connected between video interface 513 and governor circuit 511, is usually provided with video solution
Code chip, and set video decoding chip is related to the type of video interface 513.Such as when video interface 513 connects for DVI
Mouthful, then video decoding chip uses DVI video decoding chip；When video interface 513 is DP interface, then video decoding chip uses
DP video decoding chip；When video interface 513 is HDMI interface, then video decoding chip uses HDMI video decoding chip.
Governor circuit 511 is provided with signal TCU transfer control unit 5112a and signal replication allocation unit 5112b.At one
In citing, as shown in fig. 6, governor circuit 511 includes programmable logic device 5110 and connection programmable logic device 5110
Microcontroller 5111 such as MCU, signal TCU transfer control unit 5112a and signal replication allocation unit 5112b are built in programmable
Logical device 5110.More specifically, programmable logic device 5110 be, for example, FPGA, microcontroller 5111 for example for load and
Configuration FPGA and the controller that is communicated as displaying screen controller 31 with external equipment, such as microcontroller 5111 can be with
It is interacted by 100-M network Ethernet, serial ports, USB port etc. with external equipment, also can connect human-computer interaction device such as key, LCD screen
Deng.Typically, when displaying screen controller 51 executes sending card function, video decoding circuit 515 obtains defeated from video interface 513
After the vision signal entered, data and control signal that decoding obtains are transmitted to the programmable logic device 5110 of governor circuit 511,
Programmable logic device 5110 is cached by internal or external RAM and carries out replacement clock domain and bit wide map function, so
It afterwards will treated that data carry out that duplication is allocated for exporting.For example, the internal logic of programmable logic device 5110 can
To include that data input module, dual port RAM and its control module, 24bit turn 8bit module, signal replication allocation unit 5112b；
The vision signal (including data, clock, enabled, row field sync signal) of input is distributed to the twoport of rear end by data input module
RAM and its control module, and the synchronization of whole system is controlled, the read-write operation of the control module control RAM of dual port RAM, especially
It is to starting to write, write to stop, start to read, read to stop the control of this four states: the data exported from dual port RAM are by parallel-serial conversion
After be transferred to signal replication allocation unit 5112b, signal replication allocation unit 5112b then answers the data after parallel-serial conversion
It makes and is packaged the data-signal after duplication according to the unlike signal format needs of driving circuit 517a, 517b, to supply
Out to driving circuit 517a, 517b.In addition, when displaying screen controller 51 executes photoelectric converting function, signal conversion and control list
First 5112a can (for example, corresponding interface 519a be defeated by the first signal for being input to governor circuit 511 via driving circuit 517a
The fiber data signal of the optical signal entered), second signal (for example, Ethernet data signal) output is converted into driving circuit
517b in order to from interface 519b export.As for the signal TCU transfer control unit of the governor circuit 511 in displaying screen controller 51
The function of 5112a and signal replication allocation unit 5112b execute opportunity, can be according to whether video interface 513 has accessed view
Depending on frequency signal, such as when there is vision signal to access video interface 513, then enables signal replication allocation unit 5112b and execute hair
Card feed function, on the contrary access video interface 513 without vision signal, then it enables signal TCU transfer control unit 5112a and executes photoelectricity turn
Change function.It is of course also possible to use other modes switch the sending card function and photoelectric converting function of displaying screen controller 51,
Such as hardware button is set and realizes switching by operation hardware button.
Driving circuit 517a is connected between the programmable logic device 5110 of governor circuit 511 and interface 519a.This reality
It applying in example, interface 519a is optical fiber interface, and driving circuit 517a includes: optical module, for carrying out photoelectric conversion, such as can will
The electric signal that programmable logic device 5110 exports is converted into optical signal and is exported by interface 519a.For example, optical module
It can be SFP optical module.More specifically, being directed to multichannel interface 519a, driving circuit 517a is typically arranged with multiple optical modules,
Such as when interface 519a is four tunnel, driving circuit 517a can configure four optical modules.Certainly, it is worth mentioning at this point that, this reality
The quantity of the interface 519a of example and with no restrictions is applied, practical application request is able to satisfy.
Driving circuit 517b is connected between the programmable logic device 5110 of governor circuit 511 and interface 519b.This reality
It applying in example, interface 519b is network interface, and driving circuit 517b includes ethernet PHY transceiver (PHY), and in order to enhance signal
Transmission range can also add network transformer in the outlet side of ethernet PHY transceiver.More specifically, being connect for multichannel
Mouth 519b, driving circuit 517b are typically arranged with the combination of multichannel ethernet PHY transceiver and network transformer, such as
When interface 519b is 16 tunnel, driving circuit 517b can configure 16 road ethernet PHY transceivers and network transformer
Combination.Certainly, it is worth mentioning at this point that, the quantity of the interface 519b of the present embodiment and with no restrictions, being able to satisfy practical application needs
It asks.In addition, it is worth noting that, the setting of different types of interface 519a and interface 519b are conducive to display screen control
The output interface diversification of device 51, and then promote its compatibility；And in order to realize interface 519b with interface 519a with identical
Load capacity, the configuration quantity of interface 519a and interface 519b are than being preferably 1:4.In addition, interface 519b and interface 519a
Configuration quantity is not limited to 16 roads and four tunnels of aforementioned citing, is also possible to be eight roads and two-way respectively.
Fourth embodiment
Fig. 7 is referred to, for a kind of structural schematic diagram for display control program that fourth embodiment of the invention provides.Such as figure
Shown in 7, display control program 70 includes: displaying screen controller 71 and displaying screen controller 73.
Wherein, displaying screen controller 71 is provided with video interface 711, signal replication allocation unit 712, first interface 713
With second interface 715；Displaying screen controller 73 is provided with video interface 731, signal TCU transfer control unit 732, third interface 733
With the 4th interface 735.First interface 713 connects third interface 733, and for connecting display screen 80a, the 4th connects second interface 715
Mouth 735 connects first interface 713 and second interface 715 for connecting display screen 80b, signal replication allocation unit 712, and signal turns
It changes control unit 732 and connects third interface 733 and the 4th interface 735.In the present embodiment, first interface 713 and third interface 733
For first kind interface, second interface 715 and the 4th interface 735 are the Second Type interface different from first kind interface.It lifts
For example, first interface 713 and third interface 733 can be optical fiber interface, thus first interface 713 and third interface 733 it
Between can be connected using optical fiber, and since the distance that optical fiber stablizes transmission signal is generally higher than 100 meters (namely greater than cable
Stablize transmission signal distance) so that the distance between displaying screen controller 71 and 73 can be greater than 100 meters；Second interface
715 and the 4th interface 735 can be network interface, thus second interface 715 can using cable connect display screen 80a, the 4th interface
735 can connect display screen 80b using cable.
For the displaying screen controller 71 and 73 in fourth embodiment of the invention, can be respectively adopted shown in Fig. 3 aobvious
Display screen controller 31 and displaying screen controller shown in FIG. 1 11, thus the specific structure and function declaration of displaying screen controller 71
It can be referred to reference to the associated description in aforementioned second embodiment, the specific structure and function declaration of displaying screen controller 73
Associated description in aforementioned first embodiment, therefore details are not described herein.
In other embodiments, displaying screen controller 71 and 73 can be all made of displaying screen controller 51 shown in fig. 5, until
It can refer to the associated description in aforementioned third embodiment in its specific structure and function description, therefore details are not described herein.
5th embodiment
Fifth embodiment of the invention proposes a kind of display control method.Specifically, the display control method of the present embodiment
For example including following steps:
A) the first displaying screen controller (such as the displaying screen controller 71 in Fig. 7, the displaying screen controller in Fig. 3 are utilized
Displaying screen controller 51 shown in 31 or Fig. 5) receive vision signal；
B) processing is carried out to the vision signal received using first displaying screen controller and generates processing rear video letter
Number；
C) the processing rear video signal is passed through Second Type interface using first displaying screen controller (such as to scheme
The interface 519b in the interface 319b or Fig. 5 in second interface 715, Fig. 3 in 7) output is to the first display screen (such as in Fig. 7
Display screen 80a) perform image display and by first kind interface (such as connecing in first interface 713 in Fig. 7, Fig. 3
Interface 519a in mouthful 319a or Fig. 5) output is to second display screen controller (such as displaying screen controller 73, Fig. 1 in Fig. 7
In displaying screen controller 11 or Fig. 5 shown in displaying screen controller 51)；And
D) first kind from first displaying screen controller is connect using the second display screen controller
Mouthful the processing rear video signal carry out signal conversion after output to second display screen (such as display screen 80b in Fig. 7) into
Row image is shown.Signal conversion herein typically converts optical signals into electric signal, namely carries out photoelectric conversion.
In conclusion present invention makes it possible to tool by carrying out novel designs to displaying screen controller
There is function switching signal such as photoelectric converting function, so as to have both sending card function and function switching signal, so that
The function of displaying screen controller is enhanced, and application is more flexible, application range is wider, while can also be promoted user scene and be taken
Build the convenience of system.
In several embodiments provided herein, it should be understood that disclosed system, device and/or method, it can
To realize by another way.For example, the apparatus embodiments described above are merely exemplary, for example, unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as multichannel unit or component can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some interfaces, the INDIRECT COUPLING of device or unit
Or communication connection, it can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multi-channel network
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the part step of each embodiment method of the present invention
Suddenly.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation ROM), with
Machine access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various to can store program code
Medium.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (13)
1. a kind of displaying screen controller characterized by comprising video interface, video decoding circuit, governor circuit, first drive
Dynamic circuit, first interface, the second driving circuit and second interface；Wherein,
The video decoding circuit is connected between the video interface and the governor circuit, the first driving circuit connection
Between the first interface and the governor circuit, second driving circuit is connected to the second interface and the master control
Between circuit；
The governor circuit is provided with signal TCU transfer control unit, and the signal TCU transfer control unit is used for will be via described first
Driving circuit is input to the first signal of the governor circuit, is converted into second signal and exports to second driving circuit.
2. displaying screen controller as described in claim 1, which is characterized in that the governor circuit is additionally provided with signal replication point
With unit, the vision signal that the signal replication allocation unit is used to input the video interface is decoded via the video
Circuit carries out duplication distribution after being sent into the governor circuit, for output to first driving circuit and the second driving electricity
Road.
3. displaying screen controller as described in claim 1, which is characterized in that the governor circuit includes microcontroller and can compile
Journey logical device, the microcontroller connect the programmable logic device, the video decoding circuit, the first driving electricity
Road and second driving circuit are separately connected the programmable logic device, and the signal TCU transfer control unit is built in institute
State programmable logic device.
4. displaying screen controller as claimed in claim 2, which is characterized in that the governor circuit includes microcontroller and can compile
Journey logical device, the microcontroller connect the programmable logic device, the video decoding circuit, the first driving electricity
Road and second driving circuit are separately connected the programmable logic device, and the signal TCU transfer control unit and the letter
Number duplication allocation unit be built in the programmable logic device.
5. displaying screen controller as described in claim 1, which is characterized in that the first interface is optical fiber interface, described the
One drive circuit includes optical module；The second interface is network interface, and second driving circuit includes ethernet physical layer transmitting-receiving
Device and the network transformer being connected between the network interface and the ethernet PHY transceiver.
6. volume displaying screen controller as claimed in claim 5, which is characterized in that the quantity of the first interface is four and institute
The quantity for stating second interface is 16；Or the quantity of the first interface is two and the quantity of the second interface is eight
It is a.
7. a kind of display control program, which is characterized in that carry the first display screen and second display screen, the display control for band
System includes: the first displaying screen controller and second display screen controller, and first displaying screen controller is provided with the first view
Frequency interface, first interface, second interface and signal replication allocation unit, the second display screen controller are provided with the second video
Interface, third interface, the 4th interface and signal TCU transfer control unit；
The first interface connects the third interface, and the second interface is for connecting first display screen, and the described 4th
Interface connects the first interface and described second and connects for connecting the second display screen, the signal replication allocation unit
Mouthful, the signal TCU transfer control unit connects the third interface and the 4th interface；
The first interface and the third interface are first kind interface, and the second interface and the 4th interface are difference
In the Second Type interface of the first kind.
8. display control program as claimed in claim 7, which is characterized in that first displaying screen controller and described second
First kind interface of the displaying screen controller with identical quantity and the Second Type interface with identical quantity.
9. display control program as claimed in claim 7, which is characterized in that first displaying screen controller includes the first view
Frequency decoding circuit, the first governor circuit, the first driving circuit and the second driving circuit；It is first video decoding circuit, described
First driving circuit and second driving circuit are separately connected first governor circuit, and first video interface connects institute
The first video decoding circuit is stated, the first interface connects first driving circuit, the second interface connection described second
Driving circuit, the signal replication allocation unit are contained in first governor circuit.
10. display control program as claimed in claim 9, which is characterized in that first governor circuit includes microcontroller
And programmable logic device, the microcontroller connect the programmable logic device, it is first video decoding circuit, described
First driving circuit and second driving circuit are separately connected the programmable logic device, the signal replication allocation unit
It is built in the programmable logic device.
11. display control program as claimed in claim 7, which is characterized in that the second display screen controller includes second
Video decoding circuit, the second governor circuit, third driving circuit and the 4th driving circuit；Second video decoding circuit, institute
It states third driving circuit and the 4th driving circuit is separately connected second governor circuit, the second video interface connection
Second video decoding circuit, the third interface connect the third driving circuit, the 4th interface connection described the
Four driving circuits, the signal TCU transfer control unit are contained in second governor circuit.
12. a kind of display control method characterized by comprising
Vision signal is received using the first displaying screen controller；
Processing is carried out to the vision signal received using first displaying screen controller and generates processing rear video signal；
The processing rear video signal is exported by Second Type interface to first using first displaying screen controller and is shown
Display screen is performed image display and is exported by first kind interface to second display screen controller；
Using the second display screen controller to the institute of the first kind interface from first displaying screen controller
Output to second display screen after processing rear video signal carries out signal conversion is stated to perform image display.
13. display control method as claimed in claim 12, which is characterized in that the first kind interface is optical fiber interface,
The Second Type interface is network interface, and the signal, which is converted to, converts optical signals into electric signal.
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|---|---|---|---|
| CN201710769616.9A CN109427288A (en) | 2017-08-31 | 2017-08-31 | Displaying screen controller, display control program and method |
| PCT/CN2018/097489 WO2019042057A1 (en) | 2017-08-31 | 2018-07-27 | Display control system and display screen controller |
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| CN201710769616.9A CN109427288A (en) | 2017-08-31 | 2017-08-31 | Displaying screen controller, display control program and method |
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| WO2020041938A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display control system |
| CN112346679A (en) * | 2019-08-07 | 2021-02-09 | 西安诺瓦星云科技股份有限公司 | Multi-display screen control system, display system and multi-display screen control method |
| CN112397011A (en) * | 2019-07-31 | 2021-02-23 | 西安诺瓦星云科技股份有限公司 | LED display screen, LED display system and display box |
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Application publication date: 20190305 |