CN106231759B - A kind of landscape decorative lamp system and its automatic address coding method - Google Patents
A kind of landscape decorative lamp system and its automatic address coding method Download PDFInfo
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- CN106231759B CN106231759B CN201610822823.1A CN201610822823A CN106231759B CN 106231759 B CN106231759 B CN 106231759B CN 201610822823 A CN201610822823 A CN 201610822823A CN 106231759 B CN106231759 B CN 106231759B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
- G09G3/2088—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination with use of a plurality of processors, each processor controlling a number of individual elements of the matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
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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)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of landscape decorative lamp system and its automatic address coding method, the landscape decorative lamp system include：Controller and at least two display modules, the input terminal of each display module is connected to the output end of the controller, each described display module includes main control module and one or more sub-control modules, and the sub-control module in the same display module is sequentially connected in series the rear class in the main control module of the display module；The controller is for sending display data and address code instruction；Address code instruction carries out automatic address encoding operation to each described display module based on the received, and intercepts corresponding display data for showing according to Self address coded data after receiving display data.The present invention compensates for landscape decorative lamp system in parallel and the series connection landscape decorative lamp system deficiency in cost and performance respectively, and can be avoided the prior art using controller to each display module progress address code and caused by computational complexity.
Description
Technical field
The present invention relates to a kind of ornament lamp more particularly to a kind of landscape decorative lamp systems, and are related to being applied to landscape dress
Adorn the automatic address coding method of lamp system.
Background technique
Currently, traditional series landscape lamp system can be because of wherein one or more series connection in landscape decorative lamp system
Display module fails and subsequent display module is caused to can not work normally；And landscape decorative lamp system in parallel can be solved effectively
The series landscape lamp system for having determined traditional to received display data connected step by step transmission when be easy can not normal work
The problem of making, and then be applied widely；But although landscape lamp system in parallel obtains really in terms of Performance And Reliability
It improves, but also increases system cost to a certain extent simultaneously；And to the control of system cost in most of Engineering Projects
It is again relatively stringent, this condition for often making user face a difficult selection when selecting which kind of landscape decorative lamp system.
Summary of the invention
The technical problem to be solved by the present invention is to need to provide one kind can reasonable control cost, and can be avoided again
The landscape for the drawbacks of causing subsequent display module can not work normally because of wherein one or more series connection display module failures
Lamp system is decorated, and is related to the automatic address coding method applied to the landscape decorative lamp system.
In this regard, the present invention provides a kind of landscape decorative lamp system, including：Controller and at least two display modules, it is each
The input terminal of a display module is connected to the output end of the controller, each described display module includes master control
Module and one or more sub-control modules, the sub-control module in the same display module are sequentially connected in series the master control in the display module
The rear class of module；The controller is for sending display data and address code instruction；Each described display module is according to connecing
The address code instruction of receipts carries out automatic address encoding operation, and according to Self address coded data after receiving display data
The corresponding display data of interception are for showing.
A further improvement of the present invention is that each described display module includes more than two sub-control modules, it is described
More than two sub-control modules include concatenated first sub-control module and the n-th sub-control module, and n is natural number, n >=2, and described first
The port of the address code input terminal of main control module is hanging, and the display data output end of the main control module is connected to the first sub-control
The display data input pin of module, the display data output end of the first sub-control module are connected to its next concatenated sub-control
The display data input pin of module, according to this until the display data output end of the (n-1)th sub-control module is connected to the n-th sub-control module
Show data input pin；The cascade data that the display data output end of the n-th sub-control module is connected to the main control module is defeated
Enter end.
A further improvement of the present invention is that a corresponding main control module is arranged in each described display module, it is described
Main control module at least two display modules is respectively the first main control module and N main control module, and N is natural number, N >=2, institute
The port for stating the address code input terminal of the first main control module is hanging, the address code output end connection of first main control module
To the address code input terminal of the main control module of next display module, according to this until the address code of N-1 main control module is defeated
Outlet is connected to the address code input terminal of N main control module.
A further improvement of the present invention is that first main control module using address code instruct in address date as
The address code data and cascade data of first main control module are sent under it by address code data, first main control module
The main control module of one display module is as its address code data, according to this until the address code data of N-1 main control module
Address code data of the N main control module as N main control module are sent to cascade data.
A further improvement of the present invention is that the address code input terminal of first main control module is connected to predetermined level
State, the predetermined level state includes high level state.
A further improvement of the present invention is that each main control module and sub-control module are correspondingly connected to a luminous mould
Block.
A further improvement of the present invention is that each light emitting module includes one or more luminescence units.
The present invention also provides a kind of automatic address coding methods of landscape decorative lamp system, fill for landscape as described above
Lamp system is adornd, and is included the following steps：
Step S1, controller send address code instruction to the display module for being connected in parallel on data/address bus；
Whether step S2, the data that the main control module judgement receives are address code instruction, and until being, basis is connect
The address code instruction execution automatic address encoding operation received, and obtain respective cascade data；
Step S3 judges whether current main control module is the first main control module, if then going to step S4, if otherwise jumping
Go to step S5；
Step S4 obtains the address code data of first main control module according to the address date in the coded command of address,
And calculate and export the address code data of the main control module of next display module；
Step S5, current main control module receive address code number transmitted by the main control module of a display module thereon
According to, and calculate and export the address code data of the main control module of next display module；
Step S6 completes the backed off after random automatic address encoding state of the automatic address coding of whole display modules.
A further improvement of the present invention is that, if current main control module is the first main control module, being deposited in the step S4
Address code data of the address date in address code instruction as the corresponding display module of the first main control module are stored up, and are passed through
Its next display module is calculated in the address code data and cascade data of the corresponding display module of first main control module
Address code data.
A further improvement of the present invention is that the main control module for storing a upper display module is sent out in the step S5
Address code data of the address code data sent as current display module, and the address code number for passing through current display module
According to the address code data that its next display module is calculated with cascade data.
Compared with prior art, the beneficial effects of the present invention are：At least two display modules are controlled using controller, and
Each display module includes a main control module and multiple sub-control modules, and at least two display modules are between each other with parallel connection
Mode from controller obtain display data；Grade is associated in one to sub-control module in each display module in series again
Rise, then connect the rear class in corresponding main control module, and go here and there compensate for by way of combination landscape decorative lamp system in parallel and
Landscape decorative lamp system of the connecting deficiency in cost and performance respectively；Meanwhile at least two between display module with series connection by
The mode of grade transmission realizes disposable automatic address encoding operation, can effectively overcome in the prior art using controller to every
One display module carry out address code and caused by calculate complicated and troublesome in poeration defect.
Detailed description of the invention
Fig. 1 is the system structure diagram of an embodiment of the present invention；
Fig. 2 is the circuit diagram of the main control module of an embodiment of the present invention；
Fig. 3 is the circuit diagram of the sub-control module of an embodiment of the present invention；
Fig. 4 is the workflow schematic diagram of an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, preferably embodiment of the invention is described in further detail.
As shown in Figure 1, this example provides a kind of landscape decorative lamp system, including：Controller and at least two display modules, often
The input terminal of one display module is connected to the output end of the controller, specifically, each described display module
Display data input pin be connected to the display data output end of the controller；Each described display module includes master
Module and one or more sub-control modules are controlled, the sub-control module in the same display module is sequentially connected in series the master in the display module
Control the rear class of module；Preferably, each described display module of this example includes more than two sub-control modules, it is described two more than
Sub-control module include concatenated first sub-control module and the n-th sub-control module, n is natural number, n >=2, the main control module it is aobvious
Show that data input pin is connected with the display data output end of the controller, the display data output end of the main control module connects
It is connected to the display data input pin of the first sub-control module, it is next that the display data output end of the first sub-control module is connected to its
The display data input pin of a concatenated sub-control module, according to this until the display data output end of the (n-1)th sub-control module is connected to
The display data input pin of n-th sub-control module；The display data output end of the n-th sub-control module is connected to the main control module
Cascade data input terminal.The main control module and the circuit realization principle figure of sub-control module difference are as shown in Figures 2 and 3.Such as
Shown in Fig. 1, the sub-control module in the same display module described in this example is sequentially connected in series after the main control module of the display module
Grade.
As shown in Fig. 2, in the present embodiment, main control module includes main control chip U1, first capacitor C1 and first resistor R1,
Further, it is possible to which main control module can also include the second display data input pin, second resistance according to the difference of practical situations
One of R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7 or a variety of.
As shown in figure 3, sub-control module described in this example includes：Sub-control chip U2, capacitor C2 and resistance R8.The one of capacitor C2
End is connected to the supply pin VDD of sub-control chip U2 altogether, and the other end of capacitor C2 and the grounding leg of sub-control chip U2 are connected to ground, resistance altogether
The other end of data the input pin DAI, resistance R8 of one end connection sub-control chip U2 of R8 are that the display data of sub-control module input
End.The output pin of sub-control chip U2（OUTR,OUTG,OUTB）Connect the output end of each luminescence unit；The number of sub-control chip U2
It is the display data output end of sub-control module, the display data input pin of the sub-control module for cascading rear class according to output pin DAO
Or the cascade data input terminal of main control module.
As shown in figure 3, sub-control module described in this example can also include resistance R9, resistance R9 connection and power input and divide
Between the supply pin VDD for controlling chip U2；Sub-control module can also include resistance R10, and resistance R10 connection sub-control chip U2 data are defeated
Out between foot ADO and the display data output end of sub-control module.That is, sub-control module is including dividing in the present embodiment
On the basis of controlling chip U2, capacitor C2 and resistance R8, according to the difference of practical situations, sub-control module can also include upper
The resistance R9's that states and resistance R10 is one or more.
Display data input pin, address code input terminal and the address code output end of main control module described in this example be respectively
Display data input pin, address code input terminal and the address code output end of the corresponding display module of the main control module.It is described
The display data output end of main control module is connected to the display data input pin of the first sub-control module, the display of the first sub-control module
Data output end is connected to its next concatenated sub-control module（Second sub-control module）Display data input pin, with such
It pushes away, until the display data output end of the (n-1)th sub-control module is connected to the n-th sub-control module, and the display number of n-th of sub-control module
It is then connected to the cascade data input terminal of main control module according to output end, and then obtains cascade data, what the cascade data indicated
It is the quantity of cascade sub-control module after the main control module, for representing the sub-control mould connected step by step after the main control module
The quantity of block.
Controller described in this example is for sending display data and address code instruction；Each described display module is according to connecing
The address code instruction of receipts carries out automatic address encoding operation, and according to Self address coded data after receiving display data
The corresponding display data of interception are for showing.
Each described display module of this example is arranged a corresponding main control module, at least two display module
Main control module is respectively the first main control module and N main control module, and N is natural number, N >=2, the address of first main control module
The port at coding input end is hanging, and it is the equal of at it that the port of the address code input terminal of first main control module is hanging
Inside is set as high level；The address code output end of first main control module is connected to the master control mould of next display module
The address code input terminal of block, according to this until the address code output end of N-1 main control module is connected to the ground of N main control module
Location coding input end.
First main control module described in this example using address code instruct in address date as address code data, described
The address code data and cascade data of first main control module are sent to the master control of its next display module by one main control module
Module is as its address code data, according to this until the address code data and cascade data of N-1 main control module are sent to N
Address code data of the main control module as N main control module.
The address code input terminal of first main control module described in this example is connected to predetermined level state, the predetermined level shape
State includes high level state.
Specifically, the address code input terminal of corresponding first main control module of the 1st display module maintains the pre- of high level
If level state, with this for distinguishing the 1st display module with other display modules, in the 2nd display module to N
In a display module, the address code input terminal of n-th display module connects the address code output of the N-1 display module
End.Each display module receives the address code instruction execution automatic address encoding operation of display data input pin, and
Obtain the cascade data of current display module, that is, obtain current display module concatenated sub-control module quantity.Preferably,
Corresponding first main control module of 1st display module is using the data in the instruction of the address code of controller as the 1st display mould
The address code data of group are stored, while being calculated by the address code data and cascade data of the 1st display module
The address code data of 2nd display module, and send the 2nd to by the address code output end of the 1st display module and show
Show the address code input terminal of mould group；2nd display module receive the 1st display module transmission address code data after by its
The address code data as the 2nd display module are stored, while passing through the address code data and cascade of the 2nd display module
Data calculate the address code data of the 3rd display module, and so on, until completing whole display modules automatically
Location coding.
Each main control module of this example and sub-control module are correspondingly connected to a light emitting module；Each light emitting module packet
Include one or more luminescence units；The output end of each light emitting module is separately connected corresponding main control module or sub-control mould
Block is to realize display.
Now by it is actual illustrate how to by the address code data and cascade data of current display module come
The address code data for calculating the main control module of next display module, are exemplified below：Assuming that the address of current display module is compiled
Code data are 1, and the corresponding main control module of current display module is by display data-out port to the concatenated sub-control of following stage institute
Module sends 65 frame data, if the cascade data input terminal of the main control module receives 60 frame data, next display
The address code data of module are 1+（65-60）=6, i.e., address code data=current display module of next display module
Address code data+（The fixed cascade for sending the corresponding main control module of the current display module of data frame number-of next display module
Data input pin received data frame number）, and so on.The fixation that the corresponding main control module of the current display module is sent
Frame number subtracts the cascade data that data frame number received by its cascade data input terminal is current display module, described next
The fixed data frame number that sends of a display module can be configured and modify according to actual needs.
The address code control of the 1st display module of this example is not connected with controller, and is to maintain high level with reality
Existing predetermined level state, and the address code input terminal of other display modules in parallel is connected to display module thereon
Address code output end；The address code output end of display module in parallel is in addition to changing shape when sending address code data
State, it is other whenever all to keep low level, make display module in parallel judge address code input terminal in this way
State confirm whether current display module is the 1st display module.
Controller sends an address code instruction by the bus signals of data/address bus, and this address coded command is different from
Show data, the display module is very enough to be accurately distinguished.When whole display modules receives address code instruction, enter
The automatic cascade data for reading display module, the cascade data it is also assumed that be overall channel number, each display module
Overall channel number is returned by bus feedback in the main control module of the display module, thus determines its overall channel number.It determines total logical
After road number, address code data mode is sent in addition to the 1st display module enters, other display modules, which enter, waits shape
State.1st display module calculates the 2nd display module by the address code data and cascade data of the 1st display module
（Next display module of 1st display module）Address code data, and the 2nd display module is sent to by signal wire
In, EEPROM is written after receiving address code data transmitted by the 1st display module in the 2nd display module, and passes through the 2nd
The address code data and cascade data of display module calculate the 3rd display module address code data in parallel, and so on, directly
To the address code data for the display module for completing all parallel connections to realize write-in.
As shown in figure 4, this example also provides a kind of automatic address coding method of landscape decorative lamp system, for as described above
Landscape decorative lamp system, and include the following steps：
Step S1, controller send address code instruction to the display module for being connected in parallel on data/address bus；
Whether step S2, the data that the main control module judgement receives are address code instruction, and until being, basis is connect
The address code instruction execution automatic address encoding operation received, and obtain respective cascade data；
Step S3 judges whether current main control module is the first main control module, if then going to step S4, if otherwise jumping
Go to step S5；
Step S4 obtains the address code data of first main control module according to the address date in the coded command of address,
And calculate and export the address code data of the main control module of next display module；
Step S5, current main control module receive address code number transmitted by the main control module of a display module thereon
According to, and calculate and export the address code data of the main control module of next display module；
Step S6 completes the backed off after random automatic address encoding state of the automatic address coding of whole display modules.
In step S4 described in this example, if current main control module is the first main control module, in storage address coded command
Address code data of the address date as the corresponding display module of the first main control module, and it is corresponding by the first main control module
The address code data of its next display module are calculated in the address code data and cascade data of display module.
In step S5 described in this example, address code data conduct transmitted by the main control module of a upper display module is stored
The address code data of current display module, and be calculated by the address code data and cascade data of current display module
The address code data of its next display module.For example, firstly, the 2nd display module receives the of the 1st display module
The address code data that one main control module is issued, the 2nd display module receive and store the address code data as the 2nd
Then the address code data of display module solve the 3rd by the address code data of the 2nd display module and cascade data
The address code data of display module, such as address code of address code data=2nd display module of the 3rd display module
Data+（The fixed cascade data for sending corresponding second main control module of-the 2 display module of data frame number of 3rd display module
Input terminal received data frame number）, and so on；2nd display module is arrived solution by address code output end
The address code data of the 3rd display module be sent to the 3rd display module, and so on, until completing n-th shows mould
The address code data of group, which are realized, to be saved, that is, completes the automatic address coding of whole display modules.
This example controls at least two display modules using controller, and each display module includes a main control module
With multiple sub-control modules, at least two display modules obtain display data from controller in parallel between each other；It is each
Sub-control module in a display module is concatenated together in series again, then connects the rear class in corresponding main control module,
And go here and there and compensate for landscape decorative lamp system in parallel and series connection landscape decorative lamp system by way of combination respectively in cost and property
Deficiency on energy；Meanwhile at least two realize disposable automatic address in such a way that series connection transmits step by step between display module
Encoding operation, can effectively overcome in the prior art using controller to each display module carry out address code and caused by
Calculate complicated and troublesome in poeration defect.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (7)
1. a kind of automatic address coding method of landscape decorative lamp system, which is characterized in that be used for landscape decorative lamp system, and wrap
Include following steps：
Step S1, controller send address code instruction to the display module for being connected in parallel on data/address bus；
Whether step S2, the data that main control module judgement receives are address code instruction, Zhi Daoshi, then according to the ground received
Location coded command executes automatic address encoding operation, and obtains respective cascade data；
Step S3 judges whether current main control module is the first main control module, if then going to step S4, if otherwise jumping to
Step S5；
Step S4 obtains the address code data of first main control module according to the address date in the coded command of address, and counts
Calculate and export the address code data of the main control module of next display module；
Step S5, current main control module receive address code data transmitted by the main control module of a display module thereon, and
Calculate and export the address code data of the main control module of next display module；
Step S6 completes the backed off after random automatic address encoding state of the automatic address coding of whole display modules；
The landscape decorative lamp system includes：Controller and at least two display modules, the input of each display module
End is connected to the output end of the controller, each described display module includes main control module and one or more sub-controls
Module, the sub-control module in the same display module are sequentially connected in series the rear class in the main control module of the display module；The control
Device is for sending display data and address code instruction；Address code instruction carries out each described display module based on the received
Automatic address encoding operation, and corresponding display data are intercepted according to Self address coded data after receiving display data and are used
In display；
The current corresponding main control module of display module is sent out by display data-out port to the concatenated sub-control module of following stage institute
Send fixed frame data, the fixation frame number that the corresponding main control module of the current display module is sent subtracts its cascade data input terminal
Received data frame number is the cascade data of current display module；
The address code number of the address code data of the main control module of next display module=current display module main control module
According to the cascade data of the main control module of+current display module.
2. the automatic address coding method of landscape decorative lamp system according to claim 1, which is characterized in that each institute
Stating display module includes more than two sub-control modules, and described two above sub-control modules include concatenated first sub-control module
With the n-th sub-control module, n is natural number, n >=2, the display number of the display data input pin and the controller of the main control module
It is connected according to output end, the display data output end of the main control module is connected to the display data input of the first sub-control module
End, the display data output end of the first sub-control module are connected to the display data input of its next concatenated sub-control module
End, according to this until the display data output end of the (n-1)th sub-control module is connected to the display data input pin of the n-th sub-control module；Institute
The display data output end for stating the n-th sub-control module is connected to the cascade data input terminal of the main control module.
3. the automatic address coding method of landscape decorative lamp system according to claim 1 or 2, which is characterized in that each
A display module is arranged a corresponding main control module, and the main control module at least two display module is respectively the
One main control module and N main control module, N are natural number, N >=2, the port of the address code input terminal of first main control module
Vacantly, the address code output end of first main control module is connected to the address code of the main control module of next display module
Input terminal, according to this until the address code output end of N-1 main control module is connected to the address code input of N main control module
End.
4. the automatic address coding method of landscape decorative lamp system according to claim 3, which is characterized in that described first
Main control module using address code instruct in address date as address code data, first main control module is by the first master control
The address code data and cascade data of module are sent to the main control module of its next display module as its address code number
According to according to this until the address code data and cascade data of N-1 main control module are sent to N main control module as N master control
The address code data of module.
5. the automatic address coding method of landscape decorative lamp system according to claim 3, which is characterized in that described first
The address code input terminal of main control module is connected to predetermined level state, and the predetermined level state includes high level state.
6. the automatic address coding method of landscape decorative lamp system according to claim 1 or 2, which is characterized in that each
A main control module and sub-control module are correspondingly connected to a light emitting module.
7. the automatic address coding method of landscape decorative lamp system according to claim 6, which is characterized in that each hair
Optical module includes one or more luminescence units.
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| CN107041051A (en) * | 2017-04-14 | 2017-08-11 | 苏州艾克威尔科技有限公司 | A kind of addressing method of bright lamp system |
| CN106912153A (en) * | 2017-05-02 | 2017-06-30 | 陈法明 | A kind of bright lamp control system and its method |
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| CN103607481A (en) * | 2013-11-22 | 2014-02-26 | 深圳市明微电子股份有限公司 | Address configuration method and device in parallel display control system |
| CN103841724B (en) * | 2013-12-03 | 2016-08-17 | 深圳市明微电子股份有限公司 | A kind of LED parallel connection lamp control system and parallel connection lamp control circuit thereof |
| CN105282904B (en) * | 2014-06-25 | 2019-05-03 | 欧普照明股份有限公司 | A kind of control system and its control method based on DMX512 agreement |
| CN104332135B (en) * | 2014-10-30 | 2016-12-07 | 深圳市明微电子股份有限公司 | A kind of display circuit in parallel and display device thereof |
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