CN106710520A - LED display screen module set control method and device - Google Patents
LED display screen module set control method and device Download PDFInfo
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- CN106710520A CN106710520A CN201710037413.0A CN201710037413A CN106710520A CN 106710520 A CN106710520 A CN 106710520A CN 201710037413 A CN201710037413 A CN 201710037413A CN 106710520 A CN106710520 A CN 106710520A
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- module
- led display
- module set
- level
- reset
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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 El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention belongs to the LED display screen technical field and relates to an LED display screen module set control method and device. The method includes the following steps that: whether a module set is in a connected state is detected, when it is detected that the module set in a connected state, a reset signal is issued to the module set so as to make the module set reset; correction data stored in the module set are read; and image data are generated based on the correction data, and the image data are transmitted to the module set, so that the module set can perform normal display. According to the LED display module set control method and device of the invention, the module set can be automatically started and reconnected, and the image data are issued, and therefore, the maintenance efficiency of an LED display screen module set can be improved.
Description
Technical field
The present invention relates to LED display technical field, more particularly to a kind of LED display module control method and device.
Background technology
With scientific and technological progress, LED display application scenario is increasingly popularized, for high-end applications occasion (such as stadium
Shop, concert scene, TV station etc.), to display effect, on-site maintenance speed has requirement very high.At present, LED shows
When safeguarding, the plug or after needing more to renew module module in module failure in the case of powered is generally required for screen module
Module state is read manually, then re-issues vedio data, module can just normally shown, operate relatively cumbersome, the time
It is long so that the maintenance work efficiency of LED display module is low.
The content of the invention
It is an object of the invention to provide a kind of LED display module control method and device, it is intended to solve prior art
Cannot solve the problems, such as that the maintenance work efficiency of LED display module is low.
First aspect present invention provides a kind of LED display module control method, and it includes：
When connection module is detected, sending reset signal to the module makes the module reset；
Read correction data of the storage on the module；
View data is generated according to the correction data, and the module is given by described image data is activation, make the mould
The normal display of group.
Second aspect present invention provides a kind of LED display module controller, and it includes：
Detection unit, for detecting whether connection module；
Control unit, for when the detection unit detects connection module, sending reset signal to the module to make
The module resets；
Reading unit, for reading correction data of the storage on the module；
Control unit, is additionally operable to generate view data according to the correction data, and by described image data is activation to institute
Module is stated, the module is normally shown.
The present invention connects module by detecting whether, when connection module is detected, reset signal is provided to the module
The module is resetted, read correction data of the storage on the module；View data is generated according to the correction data, and
The module is given by described image data is activation, the module is normally shown, so as to improve the maintenance work of LED display module
Make efficiency.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of LED display module control method that the embodiment of the present invention one is provided；
Fig. 2 is a kind of structural representation of LED display module controller that the embodiment of the present invention two is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
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.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " is somebody's turn to do " and is intended to include plural form.
In order to improve the maintenance work efficiency of LED display module, a kind of LED display mould is the embodiment of the invention provides
Group control method and device, details are as follows：
Embodiment one：
Fig. 1 shows that the embodiment of the present invention one provides LED display module control method and realizes flow, for the ease of saying
It is bright, part related to the present embodiment is illustrate only, details are as follows：
In step S101, when connection module is detected, sending reset signal to the module makes the module reset.
In embodiments of the present invention, detecting connection module includes：The level change of detection signal is obtained, according to signal electricity
Flat change determines whether module connects, it is preferred that when the level is detected from high to low, determines the module connection.
Specifically, when needing to safeguard the module in LED display, module is disassembled and is safeguarded,
Complete to be attached module after safeguarding, when the level for detecting detection signal is low level, judge that the module has been connected, to
The module sends reset signal, drives the module to reset, to cause the display effect of the module and whole display screen for reconnecting
Unanimously, the phenomenon of flower screen is occurred without.
It should be noted that send reset signal making module reset to module can also be on same LED display
Multiple modules send reset signal makes the multiple module reset.Reset signal is sent to multiple modules, drives multiple modules same
Shi Fuwei so that the display effect of whole display screen is consistent, occurs without the phenomenon of flower screen.
Optionally, when connection module is detected, before the module is resetted to module transmission reset signal
Step includes：When connection module is detected, sending reset signal to scanning card makes the scanning card reset.
Specifically, when needing to safeguard the module in LED display, module is disassembled and is safeguarded,
Complete to be attached module after safeguarding, when the level for detecting detection signal is low level, judge that the module has been connected, to
Scanning card send reset signal, make scanning be stuck in it is powered in the case of resetted, with start scanning cassette tape carry multiple modules.Its
Afterwards to the module transmission reset signal of scanning cassette tape load, each module of driving resets, to cause the module of reconnect and entirely show
The display effect of display screen is consistent, occurs without the phenomenon of flower screen.
In step s 102, correction data of the storage on the module is read.
It should be noted that correction data is used to lift the LED display light tone uniformity and color fidelity.Generally, it is right
LED display school is exactly based on to the brightness in each pixel (or each primary color sub-pixels) region on LED display (and color
Degree) data are acquired, and provide the correction coefficient of each primary color sub-pixels or the correction coefficient matrix of each pixel, fed back
To the control system of display screen, by control system correction coefficient, realize to each pixel (or each primary color sub-pixels)
Otherness drive, allow the pure exquisiteness of picture of LED display, color is truly reduced.
In embodiments of the present invention, correction data includes the brightness and chroma data, coordinate data and backup of each module
Data etc., wherein, coordinate data is used to inquire about the position in display screen of each module, and brightness and chroma data are used to light mould
Group.When LED display is when follow-up maintenance is carried out, when such as changing module or being plugged again because module contact is bad, then need to read
The correction data stored in modulus group, the data after module is changed are solved to obtain the newest correction data of the module more
New problem.
In step s 103, view data is generated according to the correction data, and by described image data is activation to described
Module, makes the module normally show.
Specifically, after module is reconnected or multiple modules reset, school of the storage on module is reconnected is read
Correction data, the correction data includes coordinate data and view data etc., after the correction data of the retaking of a year or grade module, it is deposited
Storage, generates new view data, and the view data is sent into this and touch group so that the module normally shows according to the correction data
Show.
Further, LED display module control method also includes：When the level for detecting the detection signal is electricity high
Usually, determine that the module is extracted.
Specifically, when detecting that the module is extracted, the display data of the extraction module is sent to same LED and is shown
Some modules of screen, are displaced to some modules so that display image is uniformly distributed by the display image of the extraction module.
The embodiment of the present invention connects module by detecting whether, multiple to the module granting when connection module is detected
Position signal makes the module reset, and reads correction data of the storage on the module；Image is generated according to the correction data
Data, and the module is given by described image data is activation, the module is normally shown, so as to improve LED display module
Maintenance work efficiency.
Embodiment two：
The embodiment of the present invention two provides a kind of LED display module controller 20, as shown in Fig. 2 LED display module
Control device 20 includes detection unit 201, control unit 202 and reading unit 203.
Further, detection unit 201 is for detecting whether connection module.
In embodiments of the present invention, detecting connection module includes：The level change of detection signal is obtained, according to signal electricity
Flat change determines whether module connects, it is preferred that when the level is detected from high to low, determines the module connection.
Further, control unit 202 is used to, when the detection unit detects connection module, be sent to the module
Reset signal makes the module reset.
Specifically, when needing to safeguard the module in LED display, module is disassembled and is safeguarded,
Complete to be attached module after safeguarding, when the level for detecting detection signal is low level, judge that the module has been connected, to
The module sends reset signal, drives the module to reset, to cause the display effect of the module and whole display screen for reconnecting
Unanimously, the phenomenon of flower screen is occurred without.
It should be noted that send reset signal making module reset to module can also be on same LED display
Multiple modules send reset signal makes the multiple module reset.Reset signal is sent to multiple modules, drives multiple modules same
Shi Fuwei so that the display effect of whole display screen is consistent, occurs without the phenomenon of flower screen.
Optionally, control unit 202 is additionally operable to, when the detection unit detects connection module, be sent to the module
Reset signal makes the module include before resetting：Sending reset signal to scanning card makes the scanning card reset.
Specifically, when needing to safeguard the module in LED display, module is disassembled and is safeguarded,
Complete to be attached module after safeguarding, when the level for detecting detection signal is low level, judge that the module has been connected, to
Scanning card send reset signal, make scanning be stuck in it is powered in the case of resetted, with start scanning cassette tape carry multiple modules.Its
The module that control unit 202 is carried to scanning cassette tape again afterwards sends reset signal, drives each module to reset, to cause what is reconnected
The display effect of module and whole display screen is consistent, occurs without the phenomenon of flower screen.
Further, reading unit 203, for reading correction data of the storage on the module.
It should be noted that correction data is used to lift the LED display light tone uniformity and color fidelity.Generally, it is right
LED display school is exactly based on to the brightness in each pixel (or each primary color sub-pixels) region on LED display (and color
Degree) data are acquired, and provide the correction coefficient of each primary color sub-pixels or the correction coefficient matrix of each pixel, fed back
To the control system of display screen, by control system correction coefficient, realize to each pixel (or each primary color sub-pixels)
Otherness drive, allow the pure exquisiteness of picture of LED display, color is truly reduced.
In embodiments of the present invention, correction data includes the brightness and chroma data, coordinate data and backup of each module
Data etc., wherein, coordinate data is used to inquire about the position in display screen of each module, and brightness and chroma data are used to light mould
Group.When LED display is when follow-up maintenance is carried out, when such as changing module or being plugged again because module contact is bad, then need to read
The correction data stored in modulus group, the data after module is changed are solved to obtain the newest correction data of the module more
New problem.
Further, control unit 202 is additionally operable to generate view data according to the correction data, and by described image number
According to the module is sent to, the module is set normally to show.
Specifically, after module is reconnected or multiple modules reset, school of the storage on module is reconnected is read
Correction data, the correction data includes coordinate data and view data etc., after the correction data of the retaking of a year or grade module, it is deposited
Storage, generates new view data, and the view data is sent into this and touch group so that the module normally shows according to the correction data
Show.
Further, LED display module control method also includes：When the level for detecting the detection signal is electricity high
Usually, determine that the module is extracted.
Specifically, when detecting that the module is extracted, the display data of the extraction module is sent to same LED and is shown
Some modules of screen, are displaced to some modules so that display image is uniformly distributed by the display image of the extraction module.
LED display module controller provided in an embodiment of the present invention connects module by detecting whether, when detecting
During connection module, providing reset signal to the module makes the module reset, and reads correction number of the storage on the module
According to；View data is generated according to the correction data, and the module is given by described image data is activation, make the module normal
It has been shown that, so as to improve the maintenance work efficiency of LED display module.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (8)
1. a kind of LED display module control method, it is characterised in that the control method includes：
When connection module is detected, sending reset signal to the module makes the module reset；
Read correction data of the storage on the module；
View data is generated according to the correction data, and the module is given by described image data is activation, make the module just
Often display.
2. the method for claim 1, it is characterised in that the connection module that detects includes：
The level change of detection signal is obtained, when the level is detected from high to low, the module connection is determined.
3. method as claimed in claim 2, it is characterised in that the control method also includes：
When the level for detecting the detection signal is high level, determine that the module is extracted.
4. the method for claim 1, it is characterised in that described to send reset signal to the module and answer the module
Position includes：
Sending reset signal to the multiple modules on same LED display makes the multiple module reset.
5. a kind of LED display module controller, it is characterised in that the control device includes detection unit, control unit
And reading unit：
The detection unit detects whether to connect module；
Described control unit sends reset signal when the detection unit detects connection module, to the module makes the mould
Group resets；
The reading unit reads correction data of the storage on the module；
Described control unit generates view data according to the correction data, and gives the module by described image data is activation,
The module is set normally to show.
6. device as claimed in claim 5, it is characterised in that the detection unit obtains the level change of detection signal, when
When detecting the level from high to low, the module connection is determined.
7. device as claimed in claim 6, it is characterised in that the level that the detection unit detects the detection signal is
During high level, determine that the module is extracted.
8. device as claimed in claim 5, it is characterised in that described control unit is additionally operable to on same LED display
Multiple modules send reset signal makes the multiple module reset.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037413.0A CN106710520B (en) | 2017-01-19 | 2017-01-19 | LED display screen module control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037413.0A CN106710520B (en) | 2017-01-19 | 2017-01-19 | LED display screen module control method and device |
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| CN106710520A true CN106710520A (en) | 2017-05-24 |
| CN106710520B CN106710520B (en) | 2019-12-10 |
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| CN201185074Y (en) * | 2007-09-24 | 2009-01-21 | 杭州士兰微电子股份有限公司 | System for correcting LED dot array screen parameter |
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| CN106710520B (en) | 2019-12-10 |
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Address after: 518000 1805, tower 2, Shenye Jinyuan Building, No.112, Qingshuihe 1st Road, Qingshuihe community, Luohu District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN AOTO ELECTRONICS Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park building T2 A6-B Patentee before: SHENZHEN AOTO ELECTRONICS Co.,Ltd. |