CN104064147A - LED display screen brightness and chrominance correction method and LED box brightness and chrominance correction method - Google Patents
LED display screen brightness and chrominance correction method and LED box brightness and chrominance correction method Download PDFInfo
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Abstract
The invention provides an LED display screen brightness and chrominance correction method. The method comprises a step of reading hardware identification information stored in a plurality of LED boxes to be corrected in an LED display screen, a step of finding the correction coefficients of the plurality of LED boxes to be corrected from a correction coefficient database by using the read hardware identification information of the plurality of LED boxes to be corrected, wherein the correction coefficient database comprises the correction coefficients of a plurality of LED boxes and the hardware identification information corresponding to the plurality of LED boxes, and a step of uploading the found correction coefficients of the plurality of LED boxes to be corrected to the plurality of LED boxes to be corrected respectively for storage. In addition, the invention also discloses an LED box brightness and chrominance correction method. The automatic upload of the correction coefficients of the invention can be realized, the excessive intervention of the staff is not needed, the operation is convenient, and the upload efficiency of the correction coefficients can be greatly improved.
Description
Technical field
The present invention relates to show alignment technique field, be specifically related to a kind of LED display light tone degree bearing calibration and the bearing calibration of a kind of LED casing light tone degree.
Background technology
Due to reasons such as the discretenesses of the luminous discreteness of LED, Decay Rate and circuit elements device, there is brightness and the inconsistent phenomenon of colourity in LED display, seriously affects display quality.In order to overcome LED display brightness, colourity heterogeneity problem, pointwise correction technology is arisen at the historic moment, and development rapidly, and it can improve the homogeneity of LED display significantly, improves display quality.
According to the difference of application scenario, pointwise correction technology can be divided into again two kinds: a kind of is to proofread and correct (also claim casing proofread and correct) by case on production line, and another kind is that on-the-spot large-size screen monitors are proofreaied and correct (also claiming straightened up in place).Straightened up in place technology can select the suitable place of watching to proofread and correct, and ensures that LED display reaches satisfied display effect in applied environment at the scene, but site environment complicated and changeable and strange land technical support are the difficult problems that restriction straightened up in place faces.
It is to produce the one that line is proofreaied and correct that casing is proofreaied and correct, main in order to eliminate brightness and the colourity difference between box house and casing, the homogeneity of LED display after raising splicing.In order to ensure the homogeneity of the LED screen body that dispatches from the factory, reduce technical support cost, casing alignment technique just embodies the peculiar value of oneself, and it can significantly improve the display quality that splices rear display screen, and straightened up in place efficiency is higher relatively, is not subject to the restriction in time and place.Along with the development of LED display production firm, casing alignment technique is manufactured an indispensable part in link by becoming LED display, has a good application prospect.In addition, casing is proofreaied and correct the correction that can also be used for LED lease screen.Lease screen is generally made up of the batch casing of purchasing at times, luminance difference, the color gamut space difference etc. of different batches casing have caused full screen image quality decrease, now can adopt casing correcting scheme to carry out proofreading and correct by case to each lease casing, finally reach the consistent object of light tone degree, improve display quality.
Similar with straightened up in place, for each LED casing, the process that casing is proofreaied and correct comprises data acquisition, data analysis, desired value setting, correction factor calculation etc.; Correction coefficient is uploaded to receiving card by control system by correction coefficient after generating, and realizes the object of the bright chromaticity correction of LED casing.But, in prior art correction coefficient upload that convenience is poor and efficiency is not good, urgently improve.
Summary of the invention
Therefore, the technological deficiency existing for overcoming prior art, the present invention proposes a kind of LED display light tone degree bearing calibration and the bearing calibration of a kind of LED casing light tone degree.
Particularly, a kind of LED display light tone degree bearing calibration that the embodiment of the present invention proposes, comprises step: read the hardware identifier information of storing in the LED casing multiple to be corrected of LED display; The hardware identifier information of described multiple LED casings to be corrected that utilization is read goes out the correction coefficient of described multiple LED casings to be corrected from correction coefficient data library lookup, wherein said correction coefficient data storehouse comprises the hardware identifier information of the correction coefficient of multiple casings and described multiple LED casings corresponding with described correction coefficient; And the correction coefficient of the described multiple LED casings to be corrected that find out is uploaded to described multiple LED casing to be corrected stores respectively.
The hardware identifier information of storing in described multiple LED casing to be corrected in one embodiment of the invention, comprises the casing title of described multiple LED casings to be corrected.
The hardware identifier information of storing in described multiple LED casing to be corrected in one embodiment of the invention, comprises the receiving card title in described multiple LED casing to be corrected.
In one embodiment of the invention, described correction coefficient data storehouse is casing title and the correction coefficient relational database of LED casing.
In one embodiment of the invention, described correction coefficient data storehouse is casing title, receiving card title and the correction coefficient relational database of LED casing.
In one embodiment of the invention, the bearing calibration of above-mentioned LED display light tone degree also comprises step: read splicing and the arrangement mode of described multiple LED casings to be corrected of described LED display, and according to described splicing and arrangement mode, the correction coefficient of the described multiple LED casings to be corrected that find out is merged and is converted into full frame correction coefficient for uploading.
In addition, a kind of LED casing light tone degree bearing calibration that the embodiment of the present invention proposes, comprises step: gather the light tone degrees of data of LED casing and calculate the correction coefficient of described LED casing according to the difference of the light tone degrees of data gathering and light tone degree correction target value; By the casing title of described LED casing and correction coefficient association store to generate correction coefficient data storehouse; And the casing title that sends described LED casing is stored to described LED casing.
In one embodiment of the invention, the casing title of described LED casing sends and is stored to the receiving card in described LED casing.
In addition, a kind of LED casing light tone degree bearing calibration that another embodiment of the present invention proposes, comprises step: gather the light tone degrees of data of LED casing and calculate the correction coefficient of described LED casing according to the difference of the light tone degrees of data gathering and light tone degree correction target value; From described LED casing, read the receiving card title of described LED casing storage; And by the receiving card title in the casing title of described LED casing, described LED casing and described correction coefficient association store to generate correction coefficient data storehouse.
As from the foregoing, the correction coefficient in the embodiment of the present invention can realize robotization and upload, and too much intervenes without work people, and simple operation, can improve widely and proofread and correct upper transfer efficiency, saves time, manpower and financial resources.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below the specific embodiment of the present invention is described in detail.
[the first embodiment]
The LED casing light tone degree bearing calibration of first embodiment of the invention is to be for example applied to the casing producing on line to proofread and correct, each LED casing has the hardware identifier information that with it corresponding such as casing sequence number of casing title etc. can identification LEDs casing, each LED casing is equipped with the receiving card of oneself, and each LED casing comprises respectively a LED lamp plate or passes through multiple LED lamp plates of winding displacement cascade.At this, the casing title of LED casing can be generated by correction software, and can after printing with one dimension code form, affix to LED casing.
In the present embodiment, the bearing calibration of LED casing light tone degree for example comprises the steps (x1), (x2) and (x3):
(x1) multiple LED casings carried out to the collection of light tone degrees of data, data analysis and calculate the correction coefficient of each LED casing according to the difference value of itself and light tone degree correction target value; Herein, the light tone degree correction target value of each LED casing can be to calculate and obtain according to the public bright chromatic value of described multiple LED casings, the application for a patent for invention that circular can REFERENCE TO RELATED people be 201310562319.9 at the application number of application on November 11st, 2013, denomination of invention is " the light tone degree bearing calibration of LED display "; Or, the default value in empirical value or correction software that the light tone degree correction target value of each LED casing provides for manufacturer.
(x2) by the casing title of each LED casing and correction coefficient association store to database to generate correction coefficient data storehouse; Herein, correction coefficient data storehouse is casing title and the correction coefficient relational database of LED casing.
(x3) the casing title that sends each LED casing is stored respectively to each LED casing.Herein, the memory location of casing title in each LED casing can be the storer on the receiving card of LED casing, or is the storer on the LED lamp plate in LED casing.
Follow-up utilize part in described multiple LED casing even all (or being the LED casing with described multiple LED casings with same hardware identification information) carry out after scene builds splicing LED display, receiving card in each LED casing of LED display can be connected to control system by network, utilize application software to read the casing title of storing in each LED casing of LED display, and find out corresponding correction coefficient from the casing title of aforementioned LED casing and correction coefficient relational database, then receiving card correction coefficient being uploaded in corresponding LED casing is stored, thereby realize the bright chromaticity correction of LED display.
[the second embodiment]
The LED casing light tone degree bearing calibration of second embodiment of the invention is to be for example applied to the casing producing on line to proofread and correct, each LED casing has the hardware identifier information that with it corresponding such as casing sequence number of casing title etc. can identification LEDs casing, each LED casing is equipped with the receiving card of oneself, and each receiving card has with it corresponding such as receiving card sequence number of receiving card title etc. can identify in the hardware identifier information pre-stored storer on receiving card of receiving card.In addition, each LED casing comprises respectively a LED lamp plate or by multiple LED lamp plates of winding displacement cascade, the casing title of each LED casing can be generated by correction software, and can after printing with one dimension code form, affix to LED casing.
In the present embodiment, the bearing calibration of LED casing light tone degree for example comprises the steps (y1), (y2) and (y3):
(y1) multiple LED casings carried out to the collection of light tone degrees of data, data analysis and calculate the correction coefficient of each LED casing according to the difference value of itself and light tone degree correction target value; Herein, the light tone degree correction target value of each LED casing can be to obtain according to the public bright chromatic value of described multiple LED casings; Or, the default value in empirical value or correction software that the light tone degree correction target value of each LED casing provides for manufacturer.
(y2) from each LED casing, read the receiving card title of each LED casing storage.
(y3) by the casing title of each LED casing, receiving card title and correction coefficient association store to database with generate correction coefficient data storehouse; Herein, correction coefficient data storehouse is casing title, receiving card title and the correction coefficient relational database of LED casing.
Follow-up utilizing part in described multiple LED casing even all to carry out after scene builds splicing LED display, receiving card in each LED casing of LED display can be connected to control system by network, utilize application software to read the receiving card title corresponding to each LED casing of LED display, and from the casing title of aforementioned LED casing, in receiving card title and correction coefficient relational database, find out corresponding correction coefficient, then receiving card correction coefficient being uploaded in corresponding LED casing is stored, thereby the bright chromaticity correction in the scene of realizing LED display.
In addition, in above-mentioned first and second embodiment of the present invention, in order to increase transfer efficiency in correction coefficient, can also first be obtained by application software splicing and the arrangement mode of each LED casing in LED display, also i.e. annexation and the position relationship of each corresponding receiving card, according to this splicing and arrangement mode by each LED casing correction coefficient merging of LED display be converted into full frame correction coefficient again property upload.Conventionally, the splicing of LED casing is stored in the LED controller being connected with receiving card with arrangement mode, for example, in synchro control LED display system, the splicing of LED casing and arrangement mode can be stored in sending card, and in asynchronous control LED display system, the splicing of LED casing and arrangement mode can be stored in asynchronous control card.
In sum, the correction coefficient in the embodiment of the present invention can realize robotization and upload, and too much intervenes without staff, and simple operation, can improve widely and proofread and correct upper transfer efficiency, saves time, manpower and financial resources.
Applied specific case herein principle and the embodiment of LED display light tone degree bearing calibration of the present invention and the bearing calibration of LED casing light tone degree are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (9)
1. a LED display light tone degree bearing calibration, is characterized in that, comprises step;
Read the hardware identifier information of storing in the LED casing multiple to be corrected of LED display;
The hardware identifier information of described multiple LED casings to be corrected that utilization is read goes out the correction coefficient of described multiple LED casings to be corrected from correction coefficient data library lookup, wherein said correction coefficient data storehouse comprises the hardware identifier information of the correction coefficient of multiple LED casings and described multiple LED casings corresponding with described correction coefficient; And
The correction coefficient of the described multiple LED casings to be corrected that find out is uploaded to described multiple LED casing to be corrected stores respectively.
2. LED display light tone degree as claimed in claim 1 bearing calibration, is characterized in that, the hardware identifier information of storing in described multiple LED casings to be corrected comprises the casing title of described multiple LED casings to be corrected.
3. LED display light tone degree as claimed in claim 1 bearing calibration, is characterized in that, the hardware identifier information of storing in described multiple LED casings to be corrected comprises the receiving card title in described multiple LED casing to be corrected.
4. LED display light tone degree as claimed in claim 1 bearing calibration, is characterized in that, described correction coefficient data storehouse is casing title and the correction coefficient relational database of LED casing.
5. LED display light tone degree as claimed in claim 1 bearing calibration, is characterized in that, described correction coefficient data storehouse is casing title, receiving card title and the correction coefficient relational database of LED casing.
6. LED display light tone degree as claimed in claim 1 bearing calibration, is characterized in that, also comprises step:
Read splicing and the arrangement mode of described multiple LED casings to be corrected of described LED display, and according to described splicing and arrangement mode, the correction coefficient of the described multiple LED casings to be corrected that find out is merged and is converted into full frame correction coefficient for uploading.
7. the bearing calibration of LED casing light tone degree, is characterized in that, comprises step:
Gather the light tone degrees of data of LED casing and calculate the correction coefficient of described LED casing according to the difference of the light tone degrees of data gathering and light tone degree correction target value;
By the casing title of described LED casing and correction coefficient association store to generate correction coefficient data storehouse; And
The casing title that sends described LED casing is stored to described LED casing.
8. LED casing light tone degree as claimed in claim 7 bearing calibration, is characterized in that, the casing title of described LED casing sends and be stored to the receiving card in described LED casing.
9. the bearing calibration of LED casing light tone degree, is characterized in that, comprises step:
Gather the light tone degrees of data of LED casing and calculate the correction coefficient of described LED casing according to the difference of the light tone degrees of data gathering and light tone degree correction target value;
From described LED casing, read the receiving card title of described LED casing storage; And
By the receiving card title in the casing title of described LED casing, described LED casing and described correction coefficient association store to generate correction coefficient data storehouse.
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| CN201410292607.1A CN104064147B (en) | 2014-06-25 | 2014-06-25 | The bearing calibration of LED display bright chroma |
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| CN201410292607.1A CN104064147B (en) | 2014-06-25 | 2014-06-25 | The bearing calibration of LED display bright chroma |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992669A (en) * | 2015-07-07 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Splicing bright and dark line compensation method and device |
| CN105355167A (en) * | 2015-11-13 | 2016-02-24 | 西安诺瓦电子科技有限公司 | LED correction coefficient data merging method |
| CN105448236A (en) * | 2015-11-13 | 2016-03-30 | 西安诺瓦电子科技有限公司 | LED correction coefficient data segmentation method |
| CN108333801A (en) * | 2018-01-15 | 2018-07-27 | 武汉精测电子集团股份有限公司 | Liquid crystal module chromatic value acquisition system and method |
| CN108538239A (en) * | 2018-04-02 | 2018-09-14 | 厦门强力巨彩光电科技有限公司 | A kind of LED display bearing calibration and system based on high in the clouds control |
| CN108962184A (en) * | 2018-06-22 | 2018-12-07 | 苏州佳世达电通有限公司 | Bearing calibration, sampling display device and the correcting display device of display device |
| CN109658862A (en) * | 2018-12-28 | 2019-04-19 | 卡莱特（深圳）云科技有限公司 | A kind of LED box bright chroma bearing calibration and correction system |
| WO2020042905A1 (en) * | 2018-08-28 | 2020-03-05 | 杭州海康威视数字技术股份有限公司 | Correction method and device for led module, led display screen, and storage medium |
| CN112162880A (en) * | 2020-09-30 | 2021-01-01 | 卡莱特（深圳）云科技有限公司 | Method and device for acquiring module correction coefficient applied to LED screen |
| CN113436572A (en) * | 2021-05-17 | 2021-09-24 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN114299856A (en) * | 2021-12-29 | 2022-04-08 | 卡莱特云科技股份有限公司 | Correction coefficient processing method and device for LED display screen |
| WO2022109783A1 (en) * | 2020-11-24 | 2022-06-02 | 深圳市艾比森光电股份有限公司 | Data storage method for led display screen and related device |
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| CN103559864A (en) * | 2013-11-11 | 2014-02-05 | 西安诺瓦电子科技有限公司 | Bright chroma correcting method for LED display modules |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992669A (en) * | 2015-07-07 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Splicing bright and dark line compensation method and device |
| CN105355167A (en) * | 2015-11-13 | 2016-02-24 | 西安诺瓦电子科技有限公司 | LED correction coefficient data merging method |
| CN105448236A (en) * | 2015-11-13 | 2016-03-30 | 西安诺瓦电子科技有限公司 | LED correction coefficient data segmentation method |
| CN105448236B (en) * | 2015-11-13 | 2017-11-17 | 西安诺瓦电子科技有限公司 | LED correction coefficient data dividing methods |
| CN105355167B (en) * | 2015-11-13 | 2018-04-06 | 西安诺瓦电子科技有限公司 | LED correction coefficient data merging methods |
| CN108333801A (en) * | 2018-01-15 | 2018-07-27 | 武汉精测电子集团股份有限公司 | Liquid crystal module chromatic value acquisition system and method |
| CN108538239A (en) * | 2018-04-02 | 2018-09-14 | 厦门强力巨彩光电科技有限公司 | A kind of LED display bearing calibration and system based on high in the clouds control |
| CN108962184B (en) * | 2018-06-22 | 2021-08-03 | 苏州佳世达电通有限公司 | Display device calibration method, sampling display device and calibration display device |
| CN108962184A (en) * | 2018-06-22 | 2018-12-07 | 苏州佳世达电通有限公司 | Bearing calibration, sampling display device and the correcting display device of display device |
| WO2020042905A1 (en) * | 2018-08-28 | 2020-03-05 | 杭州海康威视数字技术股份有限公司 | Correction method and device for led module, led display screen, and storage medium |
| CN110910814A (en) * | 2018-08-28 | 2020-03-24 | 杭州海康威视数字技术股份有限公司 | LED module correction method and device, LED display screen and storage medium |
| CN109658862A (en) * | 2018-12-28 | 2019-04-19 | 卡莱特（深圳）云科技有限公司 | A kind of LED box bright chroma bearing calibration and correction system |
| CN109658862B (en) * | 2018-12-28 | 2021-11-02 | 卡莱特云科技股份有限公司 | LED box brightness and chrominance correction method and system |
| CN112162880A (en) * | 2020-09-30 | 2021-01-01 | 卡莱特（深圳）云科技有限公司 | Method and device for acquiring module correction coefficient applied to LED screen |
| CN112162880B (en) * | 2020-09-30 | 2023-05-30 | 卡莱特云科技股份有限公司 | Method and device for acquiring module correction coefficient applied to LED screen |
| WO2022109783A1 (en) * | 2020-11-24 | 2022-06-02 | 深圳市艾比森光电股份有限公司 | Data storage method for led display screen and related device |
| CN113436572A (en) * | 2021-05-17 | 2021-09-24 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN113436572B (en) * | 2021-05-17 | 2022-02-22 | 卡莱特云科技股份有限公司 | Correction method and device irrelevant to direction of LED box body and LED display screen |
| CN114299856A (en) * | 2021-12-29 | 2022-04-08 | 卡莱特云科技股份有限公司 | Correction coefficient processing method and device for LED display screen |
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