CN107068028A - Display module and display module detecting system - Google Patents
Display module and display module detecting system Download PDFInfo
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- CN107068028A CN107068028A CN201710399913.9A CN201710399913A CN107068028A CN 107068028 A CN107068028 A CN 107068028A CN 201710399913 A CN201710399913 A CN 201710399913A CN 107068028 A CN107068028 A CN 107068028A
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- plate
- display
- display module
- control
- connecting plate
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention proposes a kind of display module and a kind of display module detecting system.The display module includes at least one display unit plate and display control device.The display control device includes connecting plate and the control card being arranged on the connecting plate, at least one described display unit plate connects the control card by the connecting plate, the control card is used under the control of the test instruction of input, and at least one display unit plate described in the default picture data drive control of reading carries out test pictures and shown.The embodiment of the present invention can simplify the complexity that large-size screen monitors are built.
Description
Technical field
The present invention relates to display control technology field, more particularly to a kind of display module and a kind of display module detection system
System.
Background technology
At present when building than larger LED display, often LED display modules one by one are stitched together, so
If can only all splice up when all LED display modules, the detection of display screen could be carried out, test display screen is whether
Splicing is normal, each LED display modules whether normal work etc..Like this, if centre has a LED display module bad
, it is necessary to by the LED display modules above it to removing, this bad LED display module is changed, then again in splicing
Face, it can thus seem pretty troublesome, add the complexity that large-size screen monitors are built.
The content of the invention
Therefore, the embodiment of the present invention proposes a kind of display module and a kind of display module detecting system, to realize simplification
The technique effect for the complexity that large-size screen monitors are built.
On the one hand, a kind of display module of proposition, including at least one display unit plate and display control device.It is described aobvious
Show that control device includes connecting plate and the control card being arranged on the connecting plate, at least one described display unit plate passes through institute
State connecting plate and connect the control card, the control card is used under the control of the test instruction of input, reads default frame numbers
Test pictures are carried out according at least one display unit plate described in drive control to show.
In one embodiment of the invention, wireless converting connector for substrate, described wireless turn are provided with the connecting plate
Fishplate bar connector is used to removably be arranged on the connecting plate for wireless converting plate and is connected with control card formation, institute
Stating wireless converting plate is used to wirelessly receive telecommand, and the test instruction input is generated after being parsed to described
Control card.
In one embodiment of the invention, the wireless converting connector for substrate connects the control by universal serial bus
Card.
In one embodiment of the invention, the display control device also includes wireless converting plate, is arranged on the company
On fishplate bar and connect the control card；The wireless converting plate includes PCB antenna, radio frequency chip and the microcontroller being sequentially connected
Device, and the microcontroller connects the control card via the connecting plate, to be instructed to the control card input test.
In one embodiment of the invention, the display module is LED box, and at least one described display unit plate is
LED lamp panel, and the control card is blocked for reception and grafting is fixed on the connecting plate.
Another further aspect, a kind of display module of proposition, including at least one display unit plate and display control device.It is described
Display control device includes connecting plate and the control card being arranged on the connecting plate, and at least one described display unit plate passes through
The connecting plate connects the control card；Wireless converting connector for substrate is provided with the connecting plate, the wireless converting plate connects
Connecing device is used to removably be arranged on the connecting plate for wireless converting plate, and is formed and is connected with the control card, to cause
The display control device can carry out radio communication with external equipment.
In one embodiment of the invention, the display module is LED box, and at least one described display unit plate is
LED lamp panel, and the control card is blocked for reception and grafting is fixed on the connecting plate.
On the other hand, a kind of display module detecting system of proposition, including display control device and remote control；The display
Control device be used for drive control at least one display unit plate carry out image show and including connecting plate be arranged on the company
Control card and wireless converting plate on fishplate bar, the wireless converting plate connect the control card via the connecting plate；It is described distant
Control device is used to send telecommand to the wireless converting plate, by the wireless converting plate according to telecommand generation test
Instruction input reads default picture data drive control institute to the control card, again by the control card according to the test instruction
State at least one display unit plate progress test pictures to show, to detect whether at least one described display unit plate normally shows
Show.
In one embodiment of the invention, the control card and the wireless converting plate are removably arranged on the company
On fishplate bar.
In one embodiment of the invention, the wireless converting plate include be sequentially connected PCB antenna, radio frequency chip and
Microcontroller, and the microcontroller connects the control card by universal serial bus.
In one embodiment of the invention, the control card is at least one display unit plate described in drive control
Carry out the reception card that shows of image, at least one described display unit plate is LED lamp panel, the display control device and it is described extremely
A few display unit plate is combined as LED box.
In one embodiment of the invention, the display control device is multiple, each described display control device
For driving at least one display unit plate；The remote control is used to send the telecommand to the multiple with broadcast mode
Display control device.
Another aspect, a kind of display module detecting system of proposition, including：Connecting plate, and it is arranged on the connecting plate
On wireless radio frequency modules, microcontroller, control circuit, the first network interface and the second network interface；Wireless radio frequency modules and described
Control circuit connects the microcontroller respectively, and circuit is controlled described in first network interface and second network interface connection, described
First network interface is instructed to display module to be detected for connecting display module to be detected, and sending test as output network interface, with
Control the display module to be detected to read locally default picture data progress test pictures and show that second network interface is used to connect
Connect the display module to be detected and as input network interface.
In one embodiment of the invention, the display module detecting system also includes：Liquid crystal display, connects the micro-control
Device processed.
In one embodiment of the invention, the display module detecting system includes wireless converting plate, and grafting is fixed on
On the connecting plate；The wireless radio frequency modules, the microprocessor and the liquid crystal display are the composition of the wireless converting plate
Part.
A technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：It can simplify what large-size screen monitors were built
Complexity, realizes the easy detection to display module.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of module diagram of display module of the embodiment of the present invention.
Fig. 2 is the structural representation of display control device shown in Fig. 1.
Fig. 3 is the structural representation of the wireless converting plate of the embodiment of the present invention.
Fig. 4 is a kind of configuration diagram of display module detecting system of the embodiment of the present invention.
Fig. 5 is a kind of configuration diagram of display module detecting system of another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, a kind of display module 10 that the embodiment of the present invention is proposed includes：Display unit plate 11 and connection display are single
The display control device 13 of first plate 11.In a specific embodiment, display unit plate 11 is, for example, LED lamp panel, and its quantity is
It is one or more；Display control device 13 includes being schemed for one LED lamp panel of drive control or multiple LED lamp panels of cascade
Reception card as shown in, and receive card and be typically include PLD such as FPGA as data processing module and connection
The mixed-media network modules mixed-media of PLD such as 100,000,000 mixed-media network modules mixed-medias, data memory module such as SDRAM and display driver circuit
Such as 74HC245 chips；Correspondingly, display module 10 is LED display modules, or referred to as LED box.
Referring to Fig. 2, display control device 13 specifically may include：Connecting plate 131 (or HUB plates) and removably it is arranged on
Control card on connecting plate 131 for example receives card 133.Furthermore, connecting plate 131 is additionally provided with wireless converting connector for substrate 1311,
It is used to removably be arranged on connecting plate 131 for wireless converting plate 135 (such as shown in Fig. 3) so that display control device
13 can support radio function；Wireless converting connector for substrate 1311 is preferably by universal serial bus (such as UART) via connecting plate
131 connections receive card 133, and it is, for example, wireless converting plate slot.It is, for example, to be fixed by arranging pin/row's mother's cooperation to receive card 133
Display unit plate 11 is electrically connected on connecting plate 131 and by connecting plate 131, the reception card 133 of the present embodiment is for example configured with
Two-way network interface, network interface is for connecting front controller (such as sending card) or previous stage display module 10, another road network mouthful all the way
For cascading rear stage display module 10.Winding displacement interface is for example configured with connecting plate 131 to connect for display unit plate 11.
Referring to Fig. 3, wireless converting plate 135 includes PCB antenna 1351, RF chips 1353 and the microcontroller being sequentially connected
1355.Wherein, PCB wireless 1351 and RF chips 1353 constitute wireless radio frequency modules, are come with carrying out radio communication with remote control 15
Telecommand is received, its communication frequency is, for example, low frequency 433MHz；Microcontroller 1355 is, for example, single-chip microcomputer, and it passes through serial total
Line connection is arranged on the reception card 133 on connecting plate 131, for being parsed simultaneously to the telecommand that RF chips 1353 are received
It is packaged into the data formats of the requirement of reception card 133 and blocks 133 to obtain testing instruction and be sent to receive, then blocks 133 bases by receiving
The test received instructs the default picture data of reading from local storage to carry out the progress test picture of drive control display unit plate 11
Face is shown.Herein it is understood that each element on wireless converting plate 135 can also be set directly at connecting plate 131 makees
Wireless converting connector for substrate 1311 need not be set on part, the connecting plate 131 shown in corresponding map 2 by being constituted for it.
Fig. 4 is participated in, it is a kind of configuration diagram for display module detecting system that the embodiment of the present invention is proposed.Such as Fig. 4
It is shown, remote control 15 can using broadcast mode send telecommand to multiple display modules 10 display control device 13, with
The respective display unit plate 11 of the triggering drive control of display control device 13 carries out test pictures and shown.Moreover, shown in Fig. 4
In embodiment, the display control device 13 of display module 10 also serves as treating both as the composition part of display module detecting system
Detect the composition part of display module.Further, it is to be appreciated that when realizing that large-size screen monitors are built at the scene, showing when there is a line
Show when module 10 builds completion to electricity in this line display module 10, open remote control 15, using remote control 15 to broadcast
The reception card 133 that mode is sent on telecommand, the display control device 13 of this when of each display module 10 can all be received
Corresponding test instruction, it will show specific test pictures according to the test instruction received on display unit plate 11, than
All light, Quan Hong, Quan Lv, Quan Lan, white oblique line, white straight line picture are such as shown on display unit plate 11；It can thus reach
To the purpose of the detection quality of display unit plate 11 so that the bad display unit plate 11 of discovery early, reach replace early it is bad
Display unit plate 11 purpose.
It is noted that the security to increase system, can be designed as carrying out any operation using remote control 15
It is preceding to carry out the input operation of password, by distinguishing the operating right of currently used person to the identification operation of password.
Furthermore, because the communication between remote control 15 and display control device 13 uses the mechanism of broadcast, so can
There can be such a case：There are two pieces of big display screens in one scene, one piece has been put up and normally played
Display content, in addition one piece of display screen build；If this when with broadcast mode send telecommand will allow side
The display screen normally shown shows entanglement.Therefore, the present embodiment is preferably to be designed with two instructions, is respectively intended to switch channel radio
Road, namely switch the output of wireless converting plate 135；After the completion of display screen is built, the behaviour for once closing radio path need to be sent
Make, radio path OPEN must be first sent if user will also carry out radio operation next time, radio path is defaulted as closing
Closed state.The closing of radio path is realized with open function on wireless converting plate 135, is referred to if being connected to radio path and opening
Order, after this recurrent all instructions are all transmitted to reception card 133, and if receiving radio path out code,
Then all instructions after this are not handed down to reception card 133, and wireless converting plate 135 directly abandons this bag data.
Referring to Fig. 5, a kind of display module detecting system 50 that another embodiment of the present invention is proposed includes：Connecting plate 51 (or
Claim HUB plates) and it is arranged on wireless radio frequency modules 52 on connecting plate 51, microcontroller 53, liquid crystal display 54, control circuit 55 and
Two-way network interface 56a and 56b.Wireless radio frequency modules 52 are used to carry out radio communication with remote control 57, and its working frequency is e.g. low
Frequency 433MHz；Wireless radio frequency modules 52 can include PCB antenna and radio frequency chip.Microcontroller 53 electrically connects less radio-frequency mould
Block 52, it is, for example, single-chip microcomputer (MCU).Liquid crystal display 54 electrically connects microcontroller 53.Control the electrical connection network interface 56a of circuit 55 and net
Mouthful 56b, its such as including PLD as FPGA.Network interface 56a and network interface 56b is respectively as output network interface and input
Network interface, so that display module 60 to be detected such as LED box connection forms loop therebetween.Certainly, network interface 56a and network interface
The quantity of the display module to be detected 60 connected between 56b can be one or be concatenated together it is multiple.
Embodiment illustrated in fig. 5 can also add automatic control mode, make in addition to using the MANUAL CONTROL mode of remote control
Enhanced convenience must be controlled and quick to the detection of display module 60.It is specific as follows：
(1) MANUAL CONTROL mode：The flow direction of data in control detection manually, whole control process is carried out using remote control 57
It is such：The starting source of data is in remote control 57, and what the telecommand that remote control 57 is sent was arrived first at is connecting plate 51
On wireless radio frequency modules 52, wireless radio frequency modules 52 send the director data being connected to microcontroller 53, by microcontroller
53 pairs of director datas are parsed and protocol translation, are organized after data, and data are passed through into serial bus interface such as SPI interface
The FPGA sent in control circuit 55, control circuit 55 is sent out further according to the data generation test instruction being connected to by network interface 56a
The control card for delivering to display module 60 to be detected for example receives card；
(2) automatic control mode：The control circuit 55 in the participation of remote control 57, display module detecting system 50 is not needed
All the time in circulate it is continual each test be sent out by network interface 56a instructed, these test instructions promote to be detected aobvious
Show that module 60 constantly shows various test pictures.Can automatically control mould under the default situations of display module detecting system 50
Formula, when MANUAL CONTROL mode to be made into, can be configured conversion by remote control 57.
Hold above-mentioned, network interface 56a is input network interface as output network interface and network interface 56b, and its effect is even in only one
Loop can also be constituted in the case of the individual such as LED box of display module to be detected 60, to connecing in display module 60 to be detected
Receive the purpose that each network interface on card reaches test.Furthermore, the number exported with network interface 56a can also be inputted according to network interface 56b
According to being contrasted, according to the different degrees of of data input and output data, and the bit error rate is calculated.
In addition, testing result and the bit error rate calculated can in real time be shown on liquid crystal display 54, to inform use
Family current detection result.
Finally, it is worth mentioning at this point that, the display module detecting system 50 of embodiment illustrated in fig. 5 is without to existing display mould
Display control device such as connecting plate in group is redesigned, and display module detecting system 50 is as one independently of to be checked
Survey the detection device of display module 60.
In summary, present invention solves the trouble that large-size screen monitors are built at scene, can realize to each display
The easy detection of module.Furthermore, the detachable design of wireless converting plate conveniently allows display control device to support radio communication mold
Formula.In addition, it is noted that liquid crystal display 54 is not limited to be set directly at connecting plate 51, it would however also be possible to employ externally connected with display screen
Mode；Wireless radio frequency modules 52, microprocessor 53 and liquid crystal display 54 can also be removable as the composition part of wireless converting plate
That unloads is arranged on connecting plate 51.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function can have other dividing mode, such as multichannel unit or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multichannel
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the portion of each embodiment methods described of the invention
Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
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
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (15)
1. a kind of display module, including at least one display unit plate and display control device；Characterized in that, the display control
Device processed includes connecting plate and the control card being arranged on the connecting plate, and at least one described display unit plate passes through the company
Fishplate bar connects the control card, and the control card is used under the control of the test instruction of input, reads default picture data and drives
Dynamic at least one described display unit plate of control carries out test pictures and shown.
2. display module as claimed in claim 1, it is characterised in that the connection of wireless converting plate is provided with the connecting plate
Device, the wireless converting connector for substrate be used for for wireless converting plate be removably arranged on the connecting plate and with the control
Card forms connection, and the wireless converting plate is used to wirelessly receive telecommand, and generates the test after being parsed
Instruction input is to the control card.
3. display module as claimed in claim 2, it is characterised in that the wireless converting connector for substrate is connected by universal serial bus
Connect the control card.
4. display module as claimed in claim 1, it is characterised in that the display control device also includes wireless converting plate,
It is arranged on the connecting plate and connects the control card；The wireless converting plate includes PCB antenna, the radio frequency core being sequentially connected
Piece and microcontroller, and the microcontroller connects the control card via the connecting plate, to input institute to the control card
State test instruction.
5. display module as claimed in claim 1, it is characterised in that the display module is LED box, it is described at least one
Display unit plate is LED lamp panel, and the control card is blocked for reception and grafting is fixed on the connecting plate.
6. a kind of display module, including at least one display unit plate and display control device；Characterized in that, the display control
Device processed includes connecting plate and the control card being arranged on the connecting plate, and at least one described display unit plate passes through the company
Fishplate bar connects the control card；Wireless converting connector for substrate is provided with the connecting plate, the wireless converting connector for substrate is used
Removably it is arranged on the connecting plate, and is connected with control card formation in for wireless converting plate, it is described aobvious to cause
Show that control device can carry out radio communication with external equipment.
7. display module as claimed in claim 6, it is characterised in that the display module is LED box, it is described at least one
Display unit plate is LED lamp panel, and the control card is blocked for reception and grafting is fixed on the connecting plate.
8. a kind of display module detecting system, it is characterised in that including display control device and remote control；The display controller
Part is used for drive control at least one display unit plate progress image and shown, and including connecting plate and is arranged on the connecting plate
Control card and wireless converting plate, the wireless converting plate connects the control card via the connecting plate；The remote control is used
It is defeated according to telecommand generation test instruction to the wireless converting plate, by the wireless converting plate in sending telecommand
Enter to the control card, again as the control card according to default picture data drive control is read in the test instruction at least
One display unit plate carries out test pictures and shown, to detect whether at least one described display unit plate normally shows.
9. display module detecting system as claimed in claim 8, it is characterised in that the control card and the wireless converting plate
Removably it is arranged on the connecting plate.
10. display module detecting system as claimed in claim 8, it is characterised in that the wireless converting plate includes connecting successively
PCB antenna, radio frequency chip and the microcontroller connect, and the microcontroller connects the control card by universal serial bus.
11. display module detecting system as claimed in claim 8, it is characterised in that the control card is for drive control
At least one described display unit plate carries out the reception card that image is shown, at least one described display unit plate is LED lamp panel, institute
That states display control device and at least one display unit plate is combined as LED box.
12. display module detecting system as claimed in claim 8, it is characterised in that the display control device be it is multiple, often
One display control device is used to drive at least one display unit plate；The remote control is used to send institute with broadcast mode
Telecommand is stated to the multiple display control device.
13. a kind of display module detecting system, it is characterised in that including：Connecting plate, and the nothing being arranged on the connecting plate
Line radio-frequency module, microcontroller, control circuit, the first network interface and the second network interface；The wireless radio frequency modules and control electricity
Road connects the microcontroller respectively, and circuit, first net are controlled described in first network interface and second network interface connection
Mouth is used to connect display module to be detected, and tests instruction to the display module to be detected as output network interface transmission, to control
Making the display module reading to be detected, locally default picture data progress test pictures show that second network interface is used to connect
The display module to be detected is simultaneously used as input network interface.
14. display module detecting system as claimed in claim 13, it is characterised in that the display module detecting system is also wrapped
Include：Liquid crystal display, connects the microcontroller.
15. display module detecting system as claimed in claim 13, it is characterised in that the display module detecting system includes
Wireless converting plate, grafting is fixed on the connecting plate；The wireless radio frequency modules, the microprocessor and the liquid crystal display are
The composition part of the wireless converting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710399913.9A CN107068028B (en) | 2017-05-31 | 2017-05-31 | Display module and display module detection system |
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|---|---|---|---|
| CN201710399913.9A CN107068028B (en) | 2017-05-31 | 2017-05-31 | Display module and display module detection system |
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| CN107068028A true CN107068028A (en) | 2017-08-18 |
| CN107068028B CN107068028B (en) | 2020-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109841184A (en) * | 2019-04-04 | 2019-06-04 | 郑州新双恒信息技术有限公司 | A kind of LED control card of both-way communication and the composite structure of LED unit plate |
| CN110702376A (en) * | 2018-10-12 | 2020-01-17 | 浙江宇视科技有限公司 | Display module troubleshooting method and device |
| CN110718188A (en) * | 2019-11-20 | 2020-01-21 | 桂林海威科技股份有限公司 | FPGA-based display screen control card output signal conversion method and device |
| CN111462678A (en) * | 2020-04-03 | 2020-07-28 | 东莞阿尔泰显示技术有限公司 | Novel L ED display panel with control signal loop-out function and control signal framework |
| CN111767177A (en) * | 2020-05-15 | 2020-10-13 | 广州视源电子科技股份有限公司 | Test method, test device, test equipment and storage medium for LED display screen control card |
| CN112735323A (en) * | 2019-10-12 | 2021-04-30 | 西安诺瓦星云科技股份有限公司 | Adapter plate and display device |
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| CN110718188A (en) * | 2019-11-20 | 2020-01-21 | 桂林海威科技股份有限公司 | FPGA-based display screen control card output signal conversion method and device |
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