CN105336273B - A kind of mosaic screen - Google Patents
A kind of mosaic screen Download PDFInfo
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- CN105336273B CN105336273B CN201510874721.XA CN201510874721A CN105336273B CN 105336273 B CN105336273 B CN 105336273B CN 201510874721 A CN201510874721 A CN 201510874721A CN 105336273 B CN105336273 B CN 105336273B
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- 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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
- G09F9/3023—Segmented electronic displays
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention belongs to display device technical field, and disclose a kind of mosaic screen.In the present invention, mosaic screen includes N number of display device with small size display screen curtain, N is the positive integer more than 1, each display device can be according to user's operation as host, and one or more display devices in addition to host send number solicited message to host in N number of display device, and host is according to number solicited message to one or more display devices in N number of display device in addition to host into line renumbering.When the operation again of Host Detection to user is presses number selection key, host generation number selection information, and the display device accordingly numbered according to number selection information selection, and the display device that the control of feature operation information that host inputs again according to user is accordingly numbered performs switching on and shutting down operation, display operation or parameter adjustment operation, and then solves the problems, such as existing large scale display screen there are of high cost.
Description
Technical field
The invention belongs to display device technical field more particularly to a kind of mosaic screens.
Background technology
In recent years, with the development of display technology, large scale, oversize display device are more and more answered
It uses in industry, business and people’s lives, and the making of large scale display screen and production cost are very high at present.To sum up institute
State, existing large scale display screen there are it is of high cost the problem of.
The content of the invention
It is an object of the invention to mosaic screens, it is intended to solve the problems, such as that there are of high cost for existing large scale display screen.
The present invention is achieved in that a kind of mosaic screen, N number of including N number of display device with small size display screen curtain
The display device is in parallel, and N is the positive integer more than 1, and each display device is respectively provided with a number；
Host setting operation is performed in user, and one of display device in N number of display device is set as host
When, the host sends all display devices of the host signal into N number of display device in addition to the host, N number of institute
One or more display devices in display device in addition to the host are stated to be fed back to the host according to the host signal
Number solicited message；
The host according to the number solicited message to one in N number of display device in addition to the host or
Multiple display devices are into line renumbering, and the host works according to the N number of display device of user's operation control, when with
When family sends number selection operation to the host, the host generation number selection information, and according to the number selection letter
The display device that breath selection is accordingly numbered, and the feature operation information that the host is inputted according to user controls the corresponding volume
Number display device perform corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
In the present invention, mosaic screen includes N number of display device with small size display screen curtain, and N is the integer more than 1,
Each display device can be according to user's operation as host, and the one or more in N number of display device in addition to host
Display device send number solicited message to host, host according to number solicited message in N number of display device in addition to host
One or more display devices are into line renumbering.When the operation again of Host Detection to user is presses number selection key,
Host generation number selection information, and according to the display device accordingly numbered of number selection information selection, and host according to
The display device that the feature operation information control that family inputs again is accordingly numbered performs switching on and shutting down operation, display operation or parameter
Adjustment operation so that needing the occasion of oversize display device, shown using only what invention provided by multiple with small size
The mosaic screen that forms of display device cascade of display screen curtain without buying new oversize display device, reduces cost,
And then it solves the problems, such as existing large scale display screen there are of high cost.
Description of the drawings
Fig. 1 is the modular structure schematic diagram for the mosaic screen that a real-time example of the invention is provided；
Fig. 2 is another modular structure schematic diagram for the mosaic screen that one embodiment of the invention is provided；
Fig. 3 is the first modular structure schematic diagram of mosaic screen shown in Fig. 2；
Fig. 4 is the second modular structure schematic diagram of mosaic screen shown in Fig. 2；
Fig. 5 is the electrical block diagram of each display device in the mosaic screen that one embodiment of the invention is provided；
Fig. 6 is the integrated circuit structure diagram for the mosaic screen that one embodiment of the invention is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The realization of the present invention is described in detail below in conjunction with specific attached drawing：
Fig. 1 shows the modular structure for the mosaic screen that one embodiment of the invention is provided, and for convenience of description, illustrates only
With the relevant part of the embodiment of the present invention, details are as follows：
The mosaic screen that the embodiment of the present invention is provided include N number of display device 1 with small size display screen curtain, 2,
3...N, display device 1,2,3..N parallel connections.Wherein, N is the positive integer more than 1, and display device 1,2,3..N are respectively provided with a volume
Number.
Further, host setting operation is performed by one of display in N number of display device 1,2,3...N in user
When equipment is set as host, it is all in addition to the host into N number of display device 1,2,3...N which sends host signal
Display device, one or more display devices in N number of display device 1,2,3...N in addition to the host are according to the host signal
Number solicited message is fed back to the host, the host is according to number solicited message to removing the master in N number of display device 1,2,3...N
One or more display devices outside machine are into line renumbering, and the host controls N number of display device according to user's operation
1st, 2,3...N work；When user sends number selection operation to the host, host generation number selection information, and according to
The display device that number selection information selection is accordingly numbered, and the feature operation information that the host is inputted according to user controls phase
The display device that should be numbered performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
Specifically, for example, when user presses the host button on display device 1, master that display device 1 is pressed according to user
Machine button determines that it is host, and display device 1 sends host signal to display device 2,3...N, and display device 2,3...N are received
The host signal, and display device 2 in display device 2,3...N or display device 4,5...N are according to the host signal
Number solicited message is fed back to display device 1, display device 1 is according to the number solicited message of reception to display device 2 or aobvious
Show equipment 4,5...N into line renumbering.Display device 2 or display device 4,5...N completions are compiled again in display device 1
After number, display device 1 detects that the operation again of user is when pressing the number selection key of display device 1, and display device 1 generates
Number selection information, and the display device accordingly numbered according to number selection information selection.It selects accordingly to number in display device 1
Display device after, the display device that the control of feature operation information that display device 1 is inputted according to user is accordingly numbered performs
Corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
It should be noted that in the present embodiment, if not to the display device of host feedback number solicited message, from
In the case of not being numbered, then it is factory number 1 to give tacit consent to its number；If not to host feedback number solicited message
Display device was in the case where being carried out number, then number when it is numbered first one time that keeps this task.
Further, when it is all keys for pressing display device 1 that display device 1, which detects user's operation, display device 1
Generation number selection information, and all N number of display devices 1,2,3....N are selected according to number selection information, in display device 1
After selecting all N number of display devices 1,2,3....N, the feature operation information control that display device 1 is inputted according to user is all
N number of display device 1,2,3....N perform corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
When display device 1 detect user's operation be press display device 2,3,4 key when, display device 1 generation number
Information is selected, and display device 2,3,4 is selected according to number selection information, after display device 1 selects display device 2,3,4,
The feature operation information control display device 2,3,4 that display device 1 is inputted according to user performs corresponding switching on and shutting down operation, shows
Show operation or parameter adjustment operation.
Further, unit is performed to one or more of N number of display device 1,2,3....N display device in user
When job control operates, one or more of N number of display device 1,2,3....N display device are according to function input by user
Operation information performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.Specifically, for example, user press it is aobvious
Show equipment 1, display device 1 performs the operation of respective switch machine, display operation or ginseng according to feature operation information input by user
Number adjustment operation；In another example when user presses the unit button on display device 4,5,6 simultaneously, display device 4,5,6 according to
The feature operation information of family input performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
In the present embodiment, a display device can be selected in N number of display device as host, and in addition to the host
One or more of all display devices display device send number solicited message to the host, the host is in addition
One or more of all display devices display device into line renumbering, and selected after the completion of number according to user's operation
The display device accordingly numbered is selected, and it is corresponding that the display device accordingly numbered is controlled to perform in user input capability operation information
Switching on and shutting down operation, display operation or parameter adjustment operation so that needing to beat the occasion of size display screen, can will be N number of
The display device of small size display screen curtain cascades to realize that large scale is shown, reduces cost, and then solves existing large scale
The problem of display device is of high cost.
Fig. 2 shows another modular structure for the mosaic screen that one embodiment of the invention provides, and for convenience of description, only shows
Part related to the present embodiment, details are as follows：
The mosaic screen that the present embodiment is provided is realized on the basis of mosaic screen shown in Fig. 1.Wherein, N number of display
Each display device in equipment 1,2,3....N includes on-off circuit 10, controller 20 and interface circuit 30, Mei Gexian
Show that the on-off circuit 10 in equipment is connected with the controller 20 of each display device, the controller 20 of each display device with it is each
The interface circuit 30 of display device connects, and the interface circuit 30 of the display device 1 in N number of display device 1,2,3....N with
The interface circuit 30 of display device 2 connects, and the interface circuit 30 of display device 2 is connected with the interface circuit 30 of display device 3, with
This analogizes, and the interface circuit 30 of display device N-1 is connected with the interface circuit 30 of display device N.
Further, the on-off circuit 10 of one of display device in N number of display device 1,2,3...N is according to user
The host setting operation of execution exports corresponding host switch information to the controller 20 of one of display device, this is wherein
The controller 20 of one display device determines that one of display device is host according to the host switch information.
Specifically, when one of display device is host, the controller 20 of the host sends host signal and extremely should
The host signal is sent in N number of display device 1,2,3....N by the interface circuit 30 of host, the interface circuit 30 of the host
The interface circuit 30 of all display devices in addition to the host, in N number of display device 1,2,3....N in addition to the host
The host signal is sent in N number of display device 1,2,3....N in addition to the host by the interface circuit 30 of all display devices
All display devices controller 20.
The display of one or more of all display devices in N number of display device 1,2,3....N in addition to the host is set
Standby to feed back number solicited message to the controller 20 of the host according to the host signal, the controller 20 of the host is according to the number
Solicited message is to one or more of all display devices in N number of display device 1,2,3....N in addition to this display device
It is numbered into line renumbering, and when the number selection operation output that the on-off circuit 10 of the host is performed according to user is corresponding
To the controller 20 of the host, the controller 20 of the host is generated according to the number selecting switch information numbers selecting switch information
When selecting information, the controller 20 of the host will number the interface circuit 30 that information is selected to be sent to the host, which connects
Mouth circuit 30, which will number, selects information to be sent to all display devices in N number of display device 1,2,3....N in addition to the host
Interface circuit 30, the interface circuit 30 of all display devices in N number of display device 1,2,3....N in addition to the host will
Number selection information is sent to the controller of all display devices in N number of display device 1,2,3....N in addition to the host
20, N number of display device 1,2, the controller 20 of 3....N are identified number selection information and confirm number selection information
It is whether corresponding with the number of its affiliated display device, display device corresponding with number selection information for number, controller
The display corresponding with number selection information of the 20 feature operation information control number according to transmitted by the controller 20 of the host is set
It is standby to perform corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
Further, in the on-off circuit 10 of one or more of N number of display device 1,2,3....N display device
The unit job control operation performed according to user exports corresponding unit working control switch information to the one or more and shows
The controller 20 of equipment, the controller 20 of the one or more display device generate unit work according to the unit job control information
It, should when operating instruction, and control one or more display device execution single-set operation is instructed according to the unit operation
The feature operation information that the controller 20 of one or more display devices is inputted according to user controls the one or more to show
Equipment performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
As an embodiment of the present invention, Fig. 3 shows the first structure of mosaic screen shown in Fig. 2.Wherein, N number of display
The interface circuit 30 of each display device in equipment 1,2,3....N includes first interface circuit 300 and second interface circuit
302, first interface circuit 300, the second interface circuit 302 of each display device connect with the controller of each display device 20
Connect, the first interface circuit 300 of each display device is connected with second interface circuit 302, and N number of display device 1,2,
3....N the first interface circuit 300 of the display device 1 in is connected with the second interface circuit 302 of display device 2, display device
2 first interface circuit 300 is connected with the second interface circuit 302 of display device 3, and so on, the first of display device N-1
Interface circuit 300 is connected with the second interface circuit 302 of display device N.
As an embodiment of the present invention, Fig. 4 shows second of structure of mosaic screen shown in Fig. 2.Wherein, N number of display
The interface circuit 30 of each display device in equipment 1,2,3....N includes first interface circuit 300 and second interface circuit
302, first interface circuit 300, the second interface circuit 302 of each display device connect with the controller of each display device 20
Connect, the first interface circuit 300 of each display device is connected with second interface circuit 302, and N number of display device 1,2,
3....N the second interface circuit 302 of the display device 1 in is connected with the first interface circuit 300 of display device 2, display device
2 second interface circuit 302 is connected with the first interface circuit 300 of display device 3, and so on, the second of display device N-1
Interface circuit 302 is connected with the first interface circuit 300 of display device N.
It should be noted that in the structure of Fig. 3 and mosaic screen shown in Fig. 4, the first interface electricity of each display device
Road 300 or second interface circuit 302 can be used as expansion interface circuit, when needs expand the number of current display device
Zhan Shi, first interface circuit 300 or second interface circuit 302 as extension can be with the first interface electricity of another display device
Road 300 or second interface circuit 302 connect.
In addition, the course of work of the mosaic screen of the present invention is illustrated by taking mosaic screen shown in Fig. 3 as an example below, in detail
It states as follows：
When the on-off circuit 10 of the display device 1 in N number of display device 1,2,3....N is set according to the host that user performs
Fixed operation export corresponding host switch information to display device 1 controller 20 when, the controller 20 of display device 1 is according to this
Host switch information determines display device 1 as host, and the controller 20 of display device 1 sends the of host signal display device 1
The host signal is sent to aobvious by one interface circuit 300 and second interface circuit 302, the first interface circuit 300 of display device 1
Show the second interface circuit 302 of equipment 2, which is sent to display device by the second interface circuit 302 of display device 2
The host signal is sent to the of display device 3 by 2 first interface circuit 300, the first interface circuit 300 of display device 2
Two interface circuits 302, and so on, which is sent to display device by the first interface circuit 300 of display device N-1
The second interface circuit 302 of N.
Display device 2,3, the second interface circuit 302 of 4....N by the host signal be sent to display device 2,3,
4....N the controller 20 of one or more of controller 20, display device 2,3,4....N display device is according to the host
Signal feeds back number request signal to the controller 20 of display device 1, and the controller 20 of display device 1 asks to believe according to the number
Breath is to one or more display device in display device 2,3,4....N into line renumbering.When display device 1 is completed to compile again
After number, the corresponding number selecting switch of number selection operation output that the on-off circuit 10 of display device 1 is performed according to user is believed
It ceases to the controller 20 of display device 1, the controller 20 of display device 1 generates number selection according to the number selecting switch information
Information, and number selection information is sent to the first interface circuit 300 of display device 1 and second interface circuit 302, display
Number selection information is sent to the second interface circuit 302 of display device 2 by the first interface circuit 300 of equipment 1, and display is set
Number selection information is sent to the second interface circuit 302 of display device 3 by standby 2 first interface circuit 302, with such
It pushes away, number selection information is sent to the first interface circuit of display device N by the second interface circuit 302 of display device N-1
300 with second interface circuit 302.
The number is selected to believe by the second interface circuit 302 of each display device in N number of display device 1,2,3....N
Breath is sent to the controller 20 of each display device, the control in each display device in N number of display device 1,2,3....N
Device 20 to the number selection information be identified, and confirm the number selection information whether the number pair with its affiliated display device
Should, display device corresponding with number selection information for number, controller 20 is sent out according to the controller 20 of display device 1
The feature operation information control number sent switching on and shutting down corresponding with corresponding display device executions of number selection information are operated, shown
Operation or parameter adjustment operation.
In the present embodiment, mosaic screen include N number of display device with small size display screen curtain, N number of display device 1,
2nd, 3...N is in parallel, and when one of display device in N number of display device 1,2,3...N is host, which removes
One or more of all display devices outside it display device is opened accordingly according to the execution of the operating function information of host
Power-off operation, display operation or parameter adjustment behaviour so that multiple display device cascade operations show without oversize
Equipment solves the problems, such as that existing oversize display device is of high cost；In addition, it is both provided with extension on each display device
Interface when needing to increase the number of display device, can be connected, easy to operate letter by expansion interface with another display device
It is single.
Fig. 5 shows the circuit structure for the mosaic screen that one embodiment of the invention is provided, and for convenience of description, illustrates only
With the relevant part of the embodiment of the present invention, details are as follows：
In the present embodiment, controller 20 for microcontroller, arm processor or other possess compiling for data-handling capacity
Journey logical device.
As an embodiment of the present invention, the on-off circuit 10 of each display device in N number of display device 1,2,3....N
Include at least one switching group 100, optionally, in the present embodiment, the number of switching group 100 is two.Wherein, Mei Gekai
The ground terminal ground connection of pass group 100, the signal receiving end of the signal end of each switching group 100 and the controller 20 of each display device
It connects one to one, and the signal end of each switching group 100 receives external voltage.
As an embodiment of the present invention, each switching group 10 includes multiple switch element, is each opened in multiple switch element
The first end for closing element connects the ground terminal to form each switching group 100 altogether, the second of each switch element in multiple switch element
End connects the signal end to form each switching group 100 altogether.Optionally, in the present embodiment, each switching group 100 includes 3 switches
Element.That is, first switching group 100 includes first switching element K1, second switch element K2 and the 3rd switch member
Part K3, second switching group 100 include the 4th switch element K4, the 5th switch element K5 and the 6th switch element K6.
Specifically, the first switching element K1 of first switching group 100, second switch element K2 and the 3rd switch element
The first end of K3 connects the ground terminal to form first switching group 100, the first switching element K1 of first switching group 100, altogether
The second end of two switch element K2 and the 3rd switch element K3 connects the signal end to form first switching group 100, and altogether
The signal end of one switching group 100 is connected with the first signal receiving end of controller 20；4th switch of second switching group 100
The first end of element K4, the 5th switch element K5 and the 6th switch element K6 connect the ground connection to form second switching group 100 altogether
End, the 4th switch element K4, the 5th switch element K5 of second switching group 100 and the second end of the 6th switch element K6 are total to
Connect the signal end to form second switching group 100, and the secondary signal of the signal end of second switching group 100 and controller 20
Receiving terminal connects.
It should be noted that in the present embodiment, when the number more than two of switching group 100, the switching group 100 that has more
In the first ends of three switch elements connect the ground terminal to form the switching group 100 having more altogether, and each switching group 100 having more
In the second ends of three switch elements connect the signal end to form the switching group 100 having more altogether, and the letter for the switching group 100 having more
Number end and the 3rd signal receiving end of controller 20, fourth signal receiving terminal etc. connect one to one；In addition, when switching group 100
In switch element number more than three when, the first end for the switch element having more connects altogether with the first end of other switch elements
The ground terminal of switching group 00 is formed, and the second end for the switch element having more and the second end of other switch elements connect to form letter altogether
Number end, and is connected with the corresponding signal receiving terminal of controller 20；Further, the multiple switch element in each switching group 100
Can be single-pole single-throw switch (SPST), or key switch, and the multiple switch element in each switching group 100 can realize list
Key function control, can also the combination of multiple switch element realize multikey function control, and the multiple switch in each switching group 100
Multikey function controls between element can also realize group.
Further, each switching group 100 further includes pressure limiting resistance, and the first end of the pressure limiting resistance receives external voltage,
The second end of the pressure limiting resistance is connected with the signal end of switching group 100.Specifically, first switching group 100 includes the first pressure limiting
Resistance R1, the first end that second switching group 100 includes the second pressure limiting resistance R2, the first pressure limiting resistance R1 receive external voltage,
The second end of first pressure limiting resistance R1 is connected with the signal end of first switching group 100, the first termination of the second pressure limiting resistance R2
External voltage is received, the second end of the second pressure limiting resistance R2 is connected with the signal end of second switching group 100.In the present embodiment,
When pressure limiting resistance can prevent that external voltage is excessive, excessive pressure damages occur for switching group 100, and then ensure that switching group 100 is normal, steady
Surely work.
Further, when the switch element number in each switching group 100 is three, each switching group 100 further includes
Three resistance.Specifically, first switching group 100 includes resistance R3, R4, R5, second switching group 100 include resistance R6, R7,
R8；The first end of resistance R3 is connected with the first signal receiving end of controller 100, and the second end of resistance R3 is with pressure limiting resistance R1's
Second end connects, and the first end of resistance R4 is connected with the second end of switch element K1, second end and the switch element K2 of resistance R4
Second end connection, the first end of resistance R5 is connected with the second end of switch element K2, the second end and switch element of resistance R5
The second end connection of K3；The first end of resistance R6 is connected with the secondary signal receiving terminal of controller 100, the second end of resistance R6 with
The second end connection of pressure limiting resistance R2, the first end of resistance R7 are connected with the second end of switch element K4, the second end of resistance R7
It being connected with the second end of switch element K5, the first end of resistance R8 is connected with the second end of switch element K5, and the second of resistance R8
End is connected with the second end of switch element K6.
As an embodiment of the present invention, each display device in N number of display device 1,2,3....N further includes two fingers
Indication lamp circuit, each indicator light circuit include switch element, protective resistance and light emitting diode, the first end of protective resistance
It is connected with the indicator light signal output part of the controller of each display device, the second end of protective resistance and the control of switch element
End connection, the input terminal of switch element receive external voltage, and the output terminal of switch element and the anode of light emitting diode connect, hair
The cathode ground connection of optical diode.Specifically, the first indicator light circuit includes switch element Q1, protective resistance R9, resistance R10, electricity
R11 and light emitting diode D1 is hindered, the first end of protective resistance R9 is connected with the first indicator light signal output part of controller 20,
The second end of protective resistance R9 is connected with the control terminal of switch element Q1, and the input terminal of switch element Q1 is received by resistance R10
External voltage, the output terminal of switch element Q1 are connected by resistance R11 with the anode of light emitting diode D1, light emitting diode D1's
Cathode is grounded.
Second indicator light circuit includes switch element Q2, protective resistance R12, resistance R13, resistance R14 and light-emitting diodes
The first end of pipe D2, protective resistance R12 are connected with the second indicator light signal output part of controller 20, and the of protective resistance R12
Two ends are connected with the control terminal of switch element Q2, and the input terminal of switch element Q2 receives external voltage, switch member by resistance R13
The output terminal of part Q2 is connected by resistance R14 with the anode of light emitting diode D2, the cathode ground connection of light emitting diode D2.
In the present embodiment, switch element Q1 and switch element Q2 is PMOS tube, and the control terminal of switch element Q1 is with opening
The control terminal for closing element Q2 is the grid of PMOS tube, and the input terminal of the input terminal and switch element Q2 of switch element Q1 is
The drain electrode of PMOS tube, the defeated output terminal of switch element Q1 and the source electrode that the output terminal of switch element Q2 is PMOS tube, are opened certainly
It also can be NMOS tube to close element Q1 and switch element Q2.
As an embodiment of the present invention, the first interface in each display device in N number of display device 1,2,3....N
Circuit 300 be the first USB connector, second interface circuit 302 be the second USB connector, the power pins of the first USB connector
1 is connected with the power pins 1 of the second USB connector with external voltage, the first data pin 2 of the first USB connector and
First data pin 2 of two USB connectors and the first data pin connection of controller 20, the second of the first USB connector
Data pin 3 is connected with the second data pin 3 of the second USB connector and the second data pin of controller 20, the first USB
The information pin 6,7,8,9 of connector and the information pin 6,7,8,9 of grounding pin 4,5 and the second USB connector and ground connection
Pin 4,5 is grounded.
As an embodiment of the present invention, each display device in N number of display device 1,2,3....N further includes diode
D3, the first capacitance C1 and the second capacitance C2.The anode of diode D3 is connected with external voltage, the cathode of diode D3 and first
The power pins 1 of 1 and second USB connector of power pins of USB connector connect, the first end of the first capacitance C1 and
Cathode of the first end of two capacitance C2 with diode D3 is connected, the second end of the first capacitance C1 and the second capacitance C2 second
Ground connection.In the present embodiment, diode D3 can prevent that the first USB connector is excessive from transient voltage with the second USB connector
And it is damaged.
As an embodiment of the present invention, each display device in N number of display device 1,2,3....N further includes resistance
R15, R16, R17 and R18.Specifically, the first end of resistance R15 is connected with the first data pin of controller 20, resistance R15's
Second end is connected with the first end of resistance R16, the first data pin 2 of the second end of resistance R16 and the first USB connector and
First data pin 2 of the second USB connector connects；The first end of resistance R17 is connected with the second data pin of controller 20,
The second end of resistance R17 is connected with the first end of resistance R18, the second end of resistance R18 and the second data of the first USB connector
Second data pin 3 of 3 and second USB connector of pin connects.
Further, Fig. 6 shows the integrated circuit structure for the mosaic screen that one embodiment of the invention is provided, for the ease of
Illustrate, part related to the present embodiment is only shown, details are as follows：
Mosaic screen provided in this embodiment is formed in parallel as the display device shown in N number of Fig. 5.Wherein, the of display device 1
First data pin 2 of two USB connectors, the second data pin 3 and the first number of the first USB connector in display device 2
It is correspondingly connected with according to pin 2, the second data pin 3, the first data pin 2, second of the second USB connector in display device 2
Data pin 3 and the first data pin 2, the second data pin 2 of the first USB connector in display device 3 are correspondingly connected with, and are shown
Show that the first data pin 2 of the second USB connector in equipment 3, the second data pin 3 connect with the first USB in display device 4
Connect the first data pin 2 of device, the second data pin 3 is correspondingly connected with, and so on, the second USB connector of display device N-1
The first data pin 2, the second data pin 3 and the first data pin 2, second of the first USB connector in display device N
Data pin 3 is correspondingly connected with.It should be noted that in the present embodiment, the first USB connector of each display device and second
USB connector corresponds to two USB interfaces with each display device, and is connected between each display device using USB connecting lines.
Specifically, existing illustrate the circuit theory of mosaic screen of the present invention by taking the integrated circuit structure shown in Fig. 6 as an example,
Details are as follows：
When user presses the host button of display device 1, the on-off circuit 10 of display device 1 is defeated according to the operation of user
Go out corresponding host switch information to the controller 20 of display device 1, controller 20 generates corresponding according to host switch information
Coding information.Wherein, device 20 detects the variation that its signal receiving end voltage is occurred to the host switch information in order to control.Example
Such as, when user presses the host button of display device 1, if the switch element K1 of corresponding display device 1 is closed, display is set
Standby 1 controller 20 changes the first signal receiving end voltage for detecting the controller 20 being connected with K1, controller 20
Corresponding coding information is generated according to the voltage change, and the coding information is host signal.In addition, when the control of display device 1
When device 20 processed generates host signal, the first indicator light signal output part output indicator control of the controller 20 of display device 1
Signal is to switch element Q1, and switch element Q1 enters conducting state according to the indicator light control signal, and input indicator drives
Dynamic signal driving diode D1 shines, and diode D1 sends green light, to prompt the host identities of user's display device 1.
Further, the controller 20 of display device 1 connects the host signal of generation by the 2nd USB of display device 1
Connect device the first data pin 2 be sent to display device 2 the first USB connector the first data pin 2, display device 2
The host signal is sent to the first of the second USB connector of display device 2 by the first data pin 2 of the first USB connector
The host signal is sent to display device 3 by data pin 2, the first data pin 2 of the second USB connector of display device 2
The first USB connector the first data pin 2, and so on, display device N-1 passes through the first of its second USB connector
The host signal is sent to the first data pin 2 of the first USB connector of display device N by data pin 2.Display device 2,
The host signal is sent to the controller of display device 2,3...N by the first data pin 2 of the first USB connector 3...N
20, display device 2, the controller 20 of 3...N control its second indicator light signal output part output indication according to the host signal
For lamp control signal to switch element Q2, switch element Q2 enters conducting state according to the indicator light control signal, and inputs and refer to
Show that lamp drive signal driving diode D2 shines, and diode D2 sends feux rouges, to prompt user's display device 2,3...N
Slave identity.
Further, the controller 20 of one or more of display device 2,3...N display device sends number request
Information is to the controller 20 of display device 1, and wherein display device 2,3...N please to the transmission number of controller 20 of display device 1
The process of information is asked to send the anti-of host signal to the controller 20 of display device 2,3...N for the controller 20 of display device 1
Process is specifically no longer described in detail.Certainly it will be appreciated by persons skilled in the art that the first USB connector of each display device
The second data pin 3 and the second data pin 3 of the second USB connector can also be used to transmission signal, detailed process is with passing through
The second data pin 3 of the first USB connector of each display device is transmitted with the second data pin 3 of the second USB connector
The process of signal is identical.
Further, the controller 20 of display device 1 according to coding solicited message to one in display device 2,3...N
Or multiple display devices are into line renumbering, after the completion of display device 1 renumbers, when user presses the volume of display device 1
During number selection key, if the switch element K4 of corresponding display device 1 is closed, the output of on-off circuit 10 of display device 1 is compiled
To the controller 20 of display device 1, it is the control of display device 1 that the number selecting switch information is corresponding for number selecting switch information
The variation that the secondary signal receiving-end voltage of device 20 occurs, controller 20 generate corresponding coding information according to the voltage change,
And the coding information is number selection information, and number selection information is sent to display device 2,3...N by display device 1
Controller 20, N number of display device 1,2, the controller 20 of 3...N are identified number selection information and confirm number choosing
Whether corresponding with the number of its affiliated display device select information, display device corresponding with number selection information for number,
Feature operation information control number of the controller 20 according to transmitted by the controller 20 of display device 1 is corresponding with number selection information
Display device perform corresponding switching on and shutting down operation, display operation or parameter adjustment operation.It should be noted that display device
The process that 1 controller 20 sends number selection information to display device 2,3...N is identical with the process for sending host signal, tool
Body can refer to the controller 20 of display device 1 to the process of display device 2,3...N transmission host signals, and details are not described herein again.
Further, when user presses the unit button of display device 1, if the switch element of corresponding display device 1
K5 is closed, then the switch element K5 of display device 1 exports control of the corresponding unit working control switch information to display device 1
Device, and the unit working control switch information of switch element K5 outputs is presented as the controller of coupled display device 1
The variation of 20 secondary signal receiving-end voltage, the controller 20 of display device 1 is according to the secondary signal receiving-end voltage of detection
Variation generate corresponding coding information, and the coding information is the instruction of unit operation, the controller of display device 1 20
According to the unit operation control display device 1 is instructed to perform single-set operation, and the function behaviour of display device 1 is pressed in user
When making button, the controller 20 of display device 1 can control display device 1 perform corresponding switching on and shutting down operation, display operation or
Parameter adjustment operates.
It should be noted that any display device in display device 1,2,3...N can be used as host；In addition, display
Each display device in equipment 1,2,3...N all can be touch display device, and the operation of user be also not limited to by
Each button on lower display device, or the screen by touching corresponding display device, and transfer corresponding behaviour
Make, be so designed that can reduce set on the display device by bond number, save cost, and cause each display device appearance letter
Clean, appreciative value is high.
In the present invention, in the present invention, mosaic screen include N number of display device 1 with small size display screen curtain, 2,
3...N, N is integer more than 1, each display device can according to user's operation as host, and N number of display device 1,2,
3...N one or more display devices in addition to host send number solicited message, and to host, host is according to number request letter
Breath is to one or more display devices in N number of display device 1,2,3...N in addition to host into line renumbering.When host is examined
The operation again of user is measured as when pressing number selection key, host generation number selects information, and selects information according to number
The display device accordingly numbered is selected, and the feature operation information that host inputs again according to user controls that accordingly numbers to show
Show that equipment performs switching on and shutting down operation, display operation or parameter adjustment operation so that needing the field of oversize display device
It closes, the mosaic screen formed by multiple display device cascades with small size display screen curtain provided using only invention, nothing
New oversize display device need to be bought, reduces cost, and then solves existing large scale display screen there are of high cost
The problem of.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of mosaic screen, which is characterized in that the mosaic screen includes：
N number of display device with small size display screen curtain, N number of display device is in parallel, and N is the positive integer more than 1, each
The display device is respectively provided with a number；
When one of display device in N number of display device is set as host by user's execution host setting operation,
The host sends all display devices of the host signal into N number of display device in addition to the host, N number of described aobvious
Show that one or more display devices in equipment in addition to the host are fed back according to the host signal to the host to number
Solicited message；
The host is according to the number solicited message to the one or more in N number of display device in addition to the host
Display device is into line renumbering, and the host works according to the N number of display device of user's operation control, as user couple
When the host sends number selection operation, the host generation number selection information, and information choosing is selected according to the number
Select the display device accordingly numbered, and the host feature operation information control that is inputted according to user is described accordingly numbers
Display device performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation；
Each display device in N number of display device includes on-off circuit, controller and interface circuit, the switch
Circuit is connected with the controller, and the controller is connected with the interface circuit, and the in N number of display device the 1st
The interface circuit of a display device is connected with the interface circuit of the 2nd display device, the interface circuit of the 2nd display device
It is connected with the interface circuit of the 3rd display device, and so on, the interface circuit of the N-1 display device is shown with n-th to be set
Standby interface circuit connection；
The host setting that the on-off circuit of one of display device in N number of display device is performed according to user operates
Corresponding host switch information is exported to the controller of one of display device, the control of one of display device
Device processed according to the host switch information to determine one of display device be host when, the controller of the host is sent
To the interface circuit of the host, the host signal is sent to N number of described aobvious host signal by the interface circuit of the host
Show the interface circuit of all display devices in equipment in addition to the host, in N number of display device except the host it
The host signal is sent in N number of display device in addition to the host by the interface circuit of outer all display devices
All display devices controller, one or more display devices in N number of display device in addition to the host
Controller feeds back the number solicited message to the controller of the host, the controller of the host according to the host signal
One or more display devices in N number of display device in addition to the host are carried out according to the number solicited message
It renumbers, and when the corresponding number of number selection operation output that the on-off circuit of the host is performed according to user selects
Switching information is to the controller of the host, and the controller of the host is according to the number selecting switch information generation volume
During number selection information, the number is selected information to be sent to the interface circuit of the host by the controller of the host, described
The number selection information is sent in N number of display device all aobvious in addition to the host by the interface circuit of host
Show the interface circuit of equipment, the interface circuits of all display devices in N number of display device in addition to the host is by institute
The controller that number selection information is sent to all display devices in N number of display device in addition to the host is stated, it is N number of
The controller of the display device to it is described number selection information be identified and confirm it is described number selection information whether with
The number of its affiliated display device corresponds to, display device corresponding with the number selection information for number, controller root
It is corresponding aobvious according to the feature operation information control number transmitted by the controller of the host and the number selection information
Show that equipment performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
2. mosaic screen according to claim 1, which is characterized in that user to one in N number of display device or
When multiple display devices perform the operation of unit job controls, one or more of N number of described display device display device according to
The feature operation information that user is inputted performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
3. mosaic screen according to claim 1, which is characterized in that aobvious in one or more of N number of described display device
Show that the unit job control operation that the on-off circuit of equipment is performed according to user exports corresponding unit working control switch information
When, the controller of one or more of display devices generates unit operation according to the unit working control switch information
Instruction, and during display devices execution single-set operation one or more of according to unit operation instruction control, institute
It is one or more of aobvious to state the feature operation information control that the controllers of one or more display devices is inputted according to user
Show that equipment performs corresponding switching on and shutting down operation, display operation or parameter adjustment operation.
4. mosaic screen according to claim 3, which is characterized in that the on-off circuit of each display device is included at least
One switching group, the ground terminal ground connection of each switching group, the signal end of each switching group and each display device
The signal receiving end of controller connects one to one, and the signal end of each switching group receives external voltage.
5. mosaic screen according to claim 4, which is characterized in that each switching group includes multiple switch element, institute
The first end for stating each switch element in multiple switch element connects the ground terminal to form each switching group altogether, the multiple to open
The second end for closing each switch element in element connects the signal end to form each switching group altogether.
6. mosaic screen according to claim 3, which is characterized in that each display device further includes two indicator light electricity
Road, each indicator light circuit include switch element, protective resistance and light emitting diode, the first end of the protective resistance with
The indicator light signal output part connection of the controller of each display device, the second end of the protective resistance and the switch
The control terminal connection of element, the input terminal of the switch element receive external voltage, the output terminal of the switch element with it is described
The anode connection of light emitting diode, the cathode ground connection of the light emitting diode.
7. mosaic screen according to claim 3, which is characterized in that the interface circuit of each display device includes
First interface circuit and second interface circuit, the first interface circuit of each display device with second interface circuit and institute
The controller connection of each display device is stated, the first interface circuit of each display device is connected with second interface circuit,
And the of the first interface circuit of the 1st display device in N number of display device and the 2nd display device
Two interface circuits connect, the second interface electricity of the first interface circuit of the 2nd display device and the 3rd display device
Road connects, and so on, the first interface circuit of the N-1 display device connects with the second of the n-th display device
Mouth circuit connection.
8. mosaic screen according to claim 3, which is characterized in that the interface circuit of each display device includes
First interface circuit and second interface circuit, the first interface circuit of each display device with second interface circuit and institute
The controller connection of each display device is stated, the first interface circuit of each display device is connected with second interface circuit,
And the of the second interface circuit of the 1st display device in N number of display device and the 2nd display device
One interface circuit connects, the first interface electricity of the second interface circuit of the 2nd display device and the 3rd display device
Road connects, and so on, two interface circuits of the N-1 display device and the first interface of the n-th display device
Circuit connects.
9. the mosaic screen according to claim 7 or 8, which is characterized in that the first interface circuit is the first USB connections
Device, the second interface circuit are the second USB connector, and the power pins of first USB connector connect with the 2nd USB
The power pins for connecing device are connected with external voltage, and the first data pin of first USB connector connects with the 2nd USB
Connect the first data pin of device and the first data pin connection of the controller, the second number of first USB connector
It is connected according to pin with the second data pin of second USB connector and the second data pin of the controller, it is described
The information pin of first USB connector and the information pin and grounding pin of grounding pin and second USB connector are equal
Ground connection.
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| CN201510874721.XA CN105336273B (en) | 2015-11-30 | 2015-11-30 | A kind of mosaic screen |
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| CN201510874721.XA CN105336273B (en) | 2015-11-30 | 2015-11-30 | A kind of mosaic screen |
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| CN105336273B true CN105336273B (en) | 2018-05-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10778962B2 (en) * | 2017-11-10 | 2020-09-15 | Misapplied Sciences, Inc. | Precision multi-view display |
| CN111830857B (en) * | 2019-04-23 | 2021-09-21 | 杭州海康威视数字技术股份有限公司 | Display screen and control method thereof |
| CN111831241B (en) * | 2019-04-23 | 2022-04-26 | 杭州海康威视数字技术股份有限公司 | Display screen and address code setting method of display screen |
| CN114531610B (en) * | 2022-02-25 | 2023-03-24 | 深圳沃顿科技有限公司 | Splicing display method, device and equipment for display screen and storage medium |
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Effective date of registration: 20201211 Address after: No.1 Huike Road, Wujia Town, Fucheng District, Mianyang City, Sichuan Province Patentee after: Mianyang Huike Photoelectric Technology Co.,Ltd. Address before: 230012 northeast corner of the intersection of Jiudingshan road and Kuihe Road, Xinzhan District, Hefei City, Anhui Province Patentee before: HEFEI HUIKE JINYANG TECHNOLOGY Co.,Ltd. |