CN102122483A - Method and system for monitoring LED (light-emitting diode) display screen as well as LED display - Google Patents
Method and system for monitoring LED (light-emitting diode) display screen as well as LED display Download PDFInfo
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- CN102122483A CN102122483A CN2010106020886A CN201010602088A CN102122483A CN 102122483 A CN102122483 A CN 102122483A CN 2010106020886 A CN2010106020886 A CN 2010106020886A CN 201010602088 A CN201010602088 A CN 201010602088A CN 102122483 A CN102122483 A CN 102122483A
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
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Abstract
The invention discloses a method and a system for monitoring an LED (light-emitting diode) display screen as well as an LED display. The method comprises the following steps: during the operating process of the LED display screen, detecting operating condition of one or more LED lamps in the LED display screen so as to obtain parameter data of the LED lamps; generating an abnormal data report according to the parameter data, and sending the abnormal data report to a controller; and adjusting the parameter data of the LED lamps or sending an alarm prompt according to the abnormal data report by utilizing the controller. By utilizing the method, the system and the display, maintenance efficiency of working personnel can be improved, and maintenance cost can be lowered.
Description
Technical field
The present invention relates to appliance field, in particular to a kind of method for supervising, system and light-emitting diode display of LED display.
Background technology
Domestic and international existing technology mainly is exactly the single point correction method at present, mainly be meant: each LED lamp is sampled by optical device, be recorded in the fixed position of display screen body, consistent with the colourity furnishing by dynamic algorithm then the brightness of each LED lamp, so just can improve the display effect of LED display in itself.
Said method is proofreaied and correct by LED single-point YC, make the chromaticity distortion scope of each LED less than ± 3%, human eye can't be discovered this deviation range, therefore, can guarantee the bright in luster even of LED display, eliminate the uneven mosaic phenomenon of chroma luminance.
But, this is just in the LED display starting stage, when LED display after the single point correction method is proofreaied and correct, bring into use LED display, prior art can't be controlled each pixel of display screen again at present, more can't discern and monitor, for the maintenance in using, replacing etc. have all brought trouble in the future, seriously increase maintenance cost like this.
At can't the discerning and monitor of above-mentioned correlation technique to each the LED lamp of LED display in the work, cause increasing the problem of the later maintenance cost of product, effective solution is not proposed at present as yet.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of method for supervising, system and light-emitting diode display of LED display, to solve can't discerning and monitor of above-mentioned correlation technique, cause increasing the problem of the later maintenance cost of product to each the LED lamp of LED display in the work.
To achieve these goals, according to an aspect of the present invention, provide a kind of method for supervising of LED display, this method comprises: in the operational process of LED display, detect the duty of the one or more LED lamps in the LED display, to obtain the supplemental characteristic of LED lamp; Generate the abnormal data report according to supplemental characteristic, and the abnormal data report is sent to controller; Controller is adjusted the supplemental characteristic of LED lamp or is sent alarm according to abnormal data report.
Further, the supplemental characteristic of LED lamp comprises: the brightness of LED lamp, colourity, contrast, the crystal grain dough softening and working time.
Further, generating abnormal data report according to supplemental characteristic comprises: whether the deviate of judging supplemental characteristic is in preset range; Under the deviate of supplemental characteristic exceeds situation in the preset range, supplemental characteristic is saved to the abnormal data report.
Further, controller comprises according to the supplemental characteristic of abnormal data report adjustment LED lamp: brightness, colourity and the contrast of obtaining the LED lamp in the abnormal data report; Judge whether the one or more parameters in these three parameters of brightness, colourity and contrast of LED lamp surpass first threshold, when surpassing under the situation of first threshold, should one or more parameter adjustments to the preset range.
Further, controller sends alarm according to abnormal data report and comprises: the crystal grain dough softening or the working time of obtaining the LED lamp in the abnormal data report; Whether the crystal grain dough softening or the working time of judging the LED lamp surpass second threshold value, wherein, when surpassing under the situation of second threshold value, send alarm.
Further, the duty of the one or more LED lamps in detecting LED display in the step with the supplemental characteristic that obtains the LED lamp, is that unit detects with the LED module, and each LED module is made of the LED lamp of predetermined number.
To achieve these goals, according to a further aspect in the invention, provide a kind of supervisory system of LED display, this system comprises: display board is provided with one or more LED lamps on display board; The single-point identification device, be connected in series with display board, be used for operational process, detect the duty of each LED lamp in LED display, obtain the supplemental characteristic of LED lamp by fetch interface and report, and the abnormal data report is sent to controller with the generation abnormal data; Controller is connected in series with display board and single-point identification device respectively, is used for adjusting the supplemental characteristic of LED lamp or sending alarm according to abnormal data report.
Further, the single-point identification device is built in the controller.
Further, the supplemental characteristic of LED lamp comprises: the brightness of LED lamp, colourity, contrast, the crystal grain dough softening and working time.
Further, the single-point identification device comprises: the single-point detecting unit, obtain the supplemental characteristic of the LED lamp on the display board; Processing unit, be used to analyze and the deviate of judging supplemental characteristic whether in preset range, under the deviate of supplemental characteristic exceeds situation in the preset range, supplemental characteristic is saved to the abnormal data report; Output unit is sent to controller with the abnormal data report.
Further, LED display also comprises: alarm, connect with controller, and be used for when the crystal grain dough softening of the LED lamp of abnormal data report or working time surpass second threshold value, alarm triggers via controller and reports to the police.
Further, the single-point identification device is that unit detects with the LED module, and each LED module is made of the LED lamp of predetermined number.
Further, system can also comprise: tracking means, be connected in series with each LED module, and be used to obtain and preserve the supplemental characteristic of all the LED lamps on the LED module.
To achieve these goals, the present invention also provides a kind of light-emitting diode display, and this light-emitting diode display comprises the supervisory system of above-mentioned any LED display.
By the present invention, adopt in the operational process of LED display, detect the duty of the one or more LED lamps in the LED display, to obtain the supplemental characteristic of LED lamp; Generate the abnormal data report according to supplemental characteristic, and the abnormal data report is sent to controller; Controller is adjusted the supplemental characteristic of LED lamp or is sent alarm according to abnormal data report, solved can't discerning and monitor of correlation technique to each LED lamp of the LED display in the work, cause increasing the problem of the later maintenance cost of product, and then the intellectuality control in the realization LED display course of work, improve staff's maintenance efficiency, reduced the effect of maintenance cost.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the supervisory system of the LED display of the embodiment of the invention;
Fig. 2 is the process flow diagram according to the method for supervising of the LED display of the embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the structural representation according to the supervisory system of the LED display of the embodiment of the invention.As shown in Figure 1, this system comprises: display board 1, single-point identification device 2 and controller 3 wherein, are provided with one or more LED lamps on display board 1; Single-point identification device 2, be connected in series with display board 1, be used for operational process in LED display, detect the duty of the one or more LED lamps on the LED display, obtain the supplemental characteristic of LED lamp by the fetch interface of single-point identification device 2, and generate abnormal data report, and the abnormal data report is sent to controller 3 according to supplemental characteristic; Controller 3 is connected in series respectively with display board 1 and single-point identification device 2, is used for adjusting the supplemental characteristic of LED lamp or sending alarm according to abnormal data report.Wherein, the supplemental characteristic of LED lamp can comprise: the brightness of LED lamp, colourity, contrast, the crystal grain dough softening and working time.
In the above embodiment of the present invention, in full-color LED display screen, increase single-point identification device 2, the core of this device is the utilization of single point correction technology, realization is to the identification and the correction of each pixel in the LED display (LED lamp), promptly in LED display, use a single-point identification device 2, after the LED display operation, can write down the working condition of each pixel, the concrete working time that can read each LED lamp, luminance state, crystal grain attenuation etc., and all data can be carried out classification and storage, in case a certain pixel occurs in the LED display in brightness, go wrong on the colourity, a certain pixel perhaps occurs and damaged condition occurs, single-point identification device 2 will in time propose the abnormal data report to display control program, and this pixel position coordinates informed control system, the maintenance personal only need check regularly that System Reports can understand the ruuning situation of LED display, and the LED lamp that serious problems occur is reported to the police, and the prompting staff changes this LED lamp.
Single-point identification device 2 in the foregoing description can be built in the controller 3 or be external as independent equipment.
Single-point identification device 2 in the embodiment of the invention can comprise: the single-point detecting unit, obtain the supplemental characteristic of the LED lamp on the display board 1; Processing unit, be used to analyze and the deviate of judging supplemental characteristic whether in preset range, under the deviate of supplemental characteristic exceeds situation in the preset range, supplemental characteristic is saved to the abnormal data report; Output unit is sent to controller 3 with the abnormal data report.
Preferably, the single-point identification device 2 in the embodiment of the invention can be that unit detects with the LED module, and each LED module is made of the LED lamp of predetermined number.
Based on the foregoing description, system of the present invention can also comprise: tracking means, be connected in series with each LED module, and be used to obtain and preserve the supplemental characteristic of all the LED lamps on the LED module.
LED display of the present invention can also comprise: alarm 4, connect with controller 3, be used for when the crystal grain dough softening of the LED lamp of abnormal data report or working time surpass threshold value (can be second threshold value in the method for supervising of LED display), alarm 4 triggers via controller 3 and reports to the police.At this moment, long when the dough softening or the working time of this LED lamp, cause the LED lamp normally to use, influence the effect of display screen, at this moment, alarm 4 prompting staff replace this LED lamp, and adjust the data such as brightness, colourity and contrast of the LED lamp after changing, make this LED lamp and near LED lamp duty be consistent, do not deviate from visually not discovering when the user uses.
Fig. 2 is the process flow diagram according to the method for supervising of the LED display of the embodiment of the invention, and this method comprises the steps: as shown in Figure 2
Step S202 is implemented in the operational process of LED display by the single-point identification device 2 among Fig. 1, detects the duty of the one or more LED lamps in the LED display, to obtain the supplemental characteristic of LED lamp.
Step S204, this single-point identification device 2 generates the abnormal data report according to supplemental characteristic, and the abnormal data report is sent to controller 3.
Step S206 realizes that by the controller among Fig. 13 report is adjusted the supplemental characteristic of LED lamp or sent alarm according to abnormal data.Wherein, the supplemental characteristic of LED lamp can comprise: the brightness of LED lamp, colourity, contrast, the crystal grain dough softening and working time.
Among the embodiment of above-mentioned method for supervising of the present invention, in full-color LED display screen, realize the utilization of single point correction technology by single-point identification device 2, realization is to the identification and the correction of each pixel in the LED display, after the LED display operation, single-point identification device 2 can write down the working condition of each pixel (LED lamp), comprise, working time, luminance state, chroma state, contrast state or crystal grain attenuation etc., and all data can be carried out classification and storage, in case a certain pixel is in brightness in the LED display, go wrong on the colourity, a certain pixel perhaps occurs and damaged condition occurs, single-point identification device 2 will in time propose the abnormal data report to display control program, and this pixel position coordinates informed control system, the maintenance personal only need check regularly that System Reports can understand the ruuning situation of LED display.
In the embodiments of the invention, the step that generates abnormal data report according to supplemental characteristic can comprise: whether the deviate of judging supplemental characteristic is in preset range, wherein, under the deviate of supplemental characteristic is in situation in the preset range, update anomalies data report not, otherwise, supplemental characteristic is saved to the abnormal data report.Deviate among this embodiment is meant in the full-color LED display screen course of work, single-point identification device 2 is by the poor of data and initial value that get parms, be that deviate determines whether this LED lamp breaks down, if being about to every data of this LED lamp, fault writes the abnormal data report, otherwise, just can not generate the abnormal data report, perhaps this report is empty.In the foregoing description, the initial value of each LED lamp in the LED display (being the pixel raw readings) is by just being saved in the single-point identification device 2 when LED display brings into operation.
In the above embodiment of the present invention, controller 3 is adjusted the supplemental characteristic of LED lamp or is sent alarm according to abnormal data report and comprises: brightness, colourity and the contrast of obtaining the LED lamp in the abnormal data report; Judge whether the one or more parameters in these three parameters of brightness, colourity and contrast of LED lamp surpass first threshold, wherein, with these one or more parameter adjustments to the preset range of regulation, otherwise, the raw parameter setting that keeps this LED lamp.This embodiment realizes based on original state all pixels being carried out the isoparametric correction of brightness, colourity and contrast and the record of single-point, and the running status of the screen of monitoring display at any time, when in case data such as brightness, colourity and contrast occurring and going wrong, the staff only need check every record, keeps in repair and debugs according to position coordinates.
In addition, the controller in the above embodiment of the present invention 3 step adjusting the supplemental characteristic of LED lamp according to abnormal data report or send alarm can also comprise: the crystal grain dough softening or the working time of obtaining the LED lamp in the abnormal data report; Whether the crystal grain dough softening or the working time of judging the LED lamp surpass second threshold value, wherein, when surpassing under the situation of second threshold value, send alarm.This embodiment realizes the replacing of the LED lamp that overruns is made that the display effect of display screen is better.
In the above embodiment of the present invention, the LED lamp that can divide predetermined number constitutes a LED module, the duty of the one or more LED lamps in detecting LED display, in the step with the supplemental characteristic that obtains the LED lamp, can realize with the LED module being that unit detects, each LED module is made of the LED lamp of predetermined number, so in a display screen of the above-mentioned LED module that comprises tentation data, can realize from the LED display of operation, starting the state of all pixels in the corresponding LED module by the modularization tracker, comprise, brightness, current value, colour gamut decay etc., and analyze and judge according to these data, be the ruuning situation that the maintenance personal can understand each module in this display screen, whether color is even mutually, luminance balance; Simultaneously, when running into the some of them module and going wrong, can judge also and how change new module how the data of new module should be provided with, can make whole screen clear display even.
Need to prove, can in computer system, carry out in the step shown in the process flow diagram of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
The present invention also provides a kind of light-emitting diode display, and this light-emitting diode display comprises the supervisory system of any one LED display in the foregoing description.
As can be seen from the above description, the present invention has realized following technique effect: this technology mainly is to have used single-point identification and monitoring technique, and it is intelligent that LED display is realized.Can allow each pixel in the LED display controlled.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for supervising of a LED display is characterized in that, comprising:
In the operational process of LED display, detect the duty of the one or more LED lamps in the described LED display, to obtain the supplemental characteristic of described LED lamp;
Generate the abnormal data report according to described supplemental characteristic, and described abnormal data report is sent to controller;
Described controller is adjusted the supplemental characteristic of described LED lamp or is sent alarm according to described abnormal data report.
2. method according to claim 1 is characterized in that, the supplemental characteristic of described LED lamp comprises: the brightness of described LED lamp, colourity, contrast, the crystal grain dough softening and working time.
3. method according to claim 2 is characterized in that, generates the abnormal data report according to described supplemental characteristic and comprises:
Whether the deviate of judging described supplemental characteristic is in preset range;
Under the deviate of described supplemental characteristic exceeds situation in the described preset range, described supplemental characteristic is saved to described abnormal data report.
4. method according to claim 3 is characterized in that, the supplemental characteristic that described controller is adjusted described LED lamp according to described abnormal data report comprises:
Obtain brightness, colourity and the contrast of the described LED lamp in the described abnormal data report;
Judge whether the one or more parameters in these three parameters of brightness, colourity and contrast of described LED lamp surpass first threshold, when surpassing under the situation of described first threshold, should one or more parameter adjustments extremely within the described preset range.
5. method according to claim 3 is characterized in that, described controller sends alarm according to described abnormal data report and comprises:
Obtain the crystal grain dough softening or the working time of the described LED lamp in the described abnormal data report;
Whether the crystal grain dough softening or the working time of judging described LED lamp surpass second threshold value, wherein, when surpassing under the situation of described second threshold value, send alarm.
6. method according to claim 1, it is characterized in that the duty of the one or more LED lamps in detecting described LED display is in the step with the supplemental characteristic that obtains described LED lamp, with the LED module is that unit detects, and each LED module is made of the LED lamp of predetermined number.
7. the supervisory system of a LED display is characterized in that, comprising:
Display board is provided with one or more LED lamps on described display board;
The single-point identification device, be connected in series with described display board, be used for operational process in LED display, detect the duty of each described LED lamp, obtain the supplemental characteristic of described LED lamp by fetch interface and report, and described abnormal data report is sent to controller with the generation abnormal data;
Controller is connected in series with described display board and described single-point identification device respectively, is used for adjusting the supplemental characteristic of described LED lamp or sending alarm according to described abnormal data report.
8. system according to claim 7 is characterized in that, described single-point identification device is built in the described controller.
9. system according to claim 7, it is characterized in that, described LED display also comprises: alarm, connect with described controller, be used for when the crystal grain dough softening of the described LED lamp of described abnormal data report or working time surpass second threshold value, described alarm triggers via described controller and reports to the police.
10. a light-emitting diode display is characterized in that, comprising: the supervisory system of each described LED display among the claim 7-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602088 CN102122483B (en) | 2010-12-22 | 2010-12-22 | Method and system for monitoring LED (light-emitting diode) display screen as well as LED display |
| PCT/CN2011/084446 WO2012083868A1 (en) | 2010-12-22 | 2011-12-22 | Method and system for monitoring led display screen as well as led display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602088 CN102122483B (en) | 2010-12-22 | 2010-12-22 | Method and system for monitoring LED (light-emitting diode) display screen as well as LED display |
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| CN102122483A true CN102122483A (en) | 2011-07-13 |
| CN102122483B CN102122483B (en) | 2013-08-21 |
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| CN116484269A (en) * | 2023-06-25 | 2023-07-25 | 深圳市彤兴电子有限公司 | Parameter processing method, device and equipment of display screen module and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102122483B (en) | 2013-08-21 |
| WO2012083868A1 (en) | 2012-06-28 |
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