CN202711664U - Led display screen correction system - Google Patents

Led display screen correction system Download PDF

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Publication number
CN202711664U
CN202711664U CN2012203753998U CN201220375399U CN202711664U CN 202711664 U CN202711664 U CN 202711664U CN 2012203753998 U CN2012203753998 U CN 2012203753998U CN 201220375399 U CN201220375399 U CN 201220375399U CN 202711664 U CN202711664 U CN 202711664U
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China
Prior art keywords
led display
correction
image capture
capture device
correcting
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Expired - Lifetime
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CN2012203753998U
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Chinese (zh)
Inventor
袁胜春
宗靖国
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Xian Novastar Electronic Technology Co Ltd
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Xian Novastar Electronic Technology Co Ltd
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Priority to CN2012203753998U priority Critical patent/CN202711664U/en
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Abstract

The utility model provides an LED display screen correction system, and aims to improve the correction accuracy, effectively save manpower and reduce the correction time. A correction device and a lens in the LED display screen correction system face an image acquisition device of an LED display screen. The correction device establishes network connection with an LED display screen control device. The correction device comprises an image acquisition processing module, a correction coefficient computing module, and a correction instruction module which are sequentially connected. An instruction processing module is provided in the LED display screen control device. The lens of the image acquisition device covers the full screen of the LED display screen, and the lens aiming direction and the focus can be adjusted. An image output terminal of the image acquisition device is connected to the image acquisition processing module of the correction device. With the correction system of the utility model, the correction accuracy is improved, the manpower is effectively saved, and the correction time is reduced.

Description

The LED display corrective system
Technical field
The utility model relates to LED display pointwise correction field, is specifically related to a kind of LED display corrective system.
Background technology
LED display pointwise correction function to LED display later maintenance play important effect, can significantly improve the light tone degree homogeneity of display screen.LED display is in correcting process, and is more because relating to link, needs a large amount of information interaction and compounding practice, and whole flow process can need at least 2 or more staff to finish correction work.
In general, correction can be divided into 3 steps:
Use image capture device to measure the LED display appointed area.In this link, a slip-stick artist need to operate in the pulpit, connects controller by computer terminal control software, allows LED display display specify image or subregion.Another slip-stick artist then need to take pictures by the control image capture device before the computer of proofreading and correct end, and the image capture device measurement data forwards on the computing machine, for later stage correction software analysis of image data is prepared;
Analysis of image data, calculation correction coefficient.Correction software carries out the analysis of LED YC by the view data that is written into; After the analysis, calculate the correction coefficient of every LEDs according to the difference between LED light tone degree and the standard value.
Coefficient is uploaded, and checks calibration result.In this link, a slip-stick artist calculates LED pointwise correction coefficient at the correction end, be submitted to the slip-stick artist of pulpit end by USB flash disk or other storage mediums, this slip-stick artist is uploaded to display screen by control software with coefficient again, and the control large-size screen monitors show the corresponding rear picture of proofreading and correct, at this moment the slip-stick artist who proofreaies and correct end can check calibration result, if wrong, will repeat above 1-3 step until calibration result is good.
This shows, the scene needs to carry out between two slip-stick artists the exchange of data, the interchange of information at least, at a distance of often surpassing rice up to a hundred, also may need the 3rd slip-stick artist to transmit the data of copy between the two.The Obtaining Accurate of information and transmission, understanding and judgement just seem particularly important.The tradition correcting process is very complicated, needs a large amount of operations between the links, and one of them step misoperation, will cause correction work not finish.Therefore, traditional bearing calibration operation link is too much, fault rate is large, and needs to carry out long information interchange between the different personnel, may misunderstand and judge by accident, needs a large amount of repeating to link up, cause human resources waste, to proofread and correct efficient lower.
The utility model content
The utility model provides a kind of LED display corrective system, with the accuracy of improve proofreading and correct, effectively save manpower, reduction correction time.
For realizing above utility model purpose, the utility model provides following technical scheme:
The LED display corrective system comprises the LED display control device, and the control output end of LED display control device is connected to the receiving card of LED display; Its special character is: this LED display corrective system comprises that also means for correcting and camera lens are towards the image capture device of LED display, set up network connection between means for correcting and the LED display control device, described means for correcting comprises image acquisition and processing module, correction coefficient computing module and the correction instruction module that connects successively; Be provided with command process module in the described LED display control device;
The camera lens covering LED display of image capture device is full frame and the alignment lens direction is adjustable, focal length is adjustable; The output end of image of image capture device is connected to the image acquisition and processing module of means for correcting, the correction instruction module by described network connection to command process module so that the LED display control device is carried out the correction instruction that means for correcting sends.
Based on above-mentioned basic technical scheme, the utility model can also be done following optimization and limit.
Above-mentioned network using wireless network, the layout of whole system is not limited by occasion like this.Certainly, also can adopt cable network.
The output end of image of above-mentioned image capture device is connected with the image acquisition and processing module of means for correcting by usb data line or other transmission mediums.
In means for correcting or LED display control device, be provided with to regulate the image capture device control module of image capture device alignment lens direction.
Image capture device can drive to change the alignment lens direction by stepper motor.
Image capture device can adopt slr camera or industrial camera.
The utlity model has following advantage:
Adopt corrective system of the present utility model, a slip-stick artist just can finish the corrective maintenance work of whole display screen, replace traditional bearing calibration to need one man operation image capture device and corrective system, the complex process of in addition one man operation control system, controller and LED display, improved the accuracy of proofreading and correct, effectively saved manpower, reduced correction time; Simultaneously, reduced the information communication process between the different personnel, misunderstanding and the erroneous judgement of having avoided field data to cause in the transmittance process between personnel have reduced repeated work.
Use the utility model, can set up a central hub, make the links automatic operation of contacting, reduced operation link.
The utility model can pass through wireless way for transmitting, not limited by occasion.
Description of drawings
Fig. 1 is LED display corrective system structural representation of the present utility model.
Fig. 2 is for adopting the LED display corrective system to carry out the schematic flow sheet of automated correction.
Embodiment
LED display corrective system of the present utility model comprises the LED display control device, and the control output end of LED display control device is connected to the receiving card of LED display; LED display control device and means for correcting are set up network connection, and the camera lens of image capture device is towards LED display.In means for correcting or LED display control device, be provided with to regulate the image capture device control module of image capture device alignment lens direction, and can adopt stepper motor to drive change alignment lens direction.Described means for correcting comprises image acquisition and processing module, correction coefficient computing module and the correction instruction module that connects successively; Be provided with command process module in the described LED display control device; The camera lens of image capture device cover the full frame and alignment lens direction of LED display and focal length adjustable, wherein, realize also manual focusing of focusing but focal length can arrange by software; The output end of image of image capture device is connected to the image acquisition and processing module of means for correcting by usb data line or other transmission mediums, the correction instruction module by network connection to command process module so that the LED display control device is carried out the correction instruction that means for correcting sends.
As shown in Figure 1, computer terminal LED display corrective system (A end) is connected B end with computer terminal LED display control system) connect by wireless network, be provided with image capture device (preferred slr camera) at the LED display scene, camera lens points to LED display, it is full frame that camera lens covers LED, and can aim at as required a certain subregion of LED display.Image capture device can gather the image information of LED display in high quality, be sent to corrective system by usb data line or other transmission mediums, the correction coefficient that correction coefficient computing module in the corrective system will calculate gained sends to the control system of LED display by network connection, thereby regulate the configuration parameter of LED display, finish the correction to LED display.
As shown in Figure 2, LED display automated correction method specifically comprises following execution link:
(1) makes up network connection
The computer terminal corrective system is the A end, and computer terminal LED display control system is the B end, makes up in order to realize the mutual network connection of AB two ends instruction and data; And being provided with image capture device, image capture device gathers image by the control of A end in order to the zone to be corrected of aiming at LED display;
The control module that image capture device is arranged in the exploitation of A end is to realize the automatic control of image capture device; The exploitation of B end has LED large-size screen monitors display control module, to realize the demonstration control of LED large screen display zone, picture material, brightness, color and the function of automatically regulating the LED brilliance control according to correction coefficient.
(2) the A end is held to B by described network connection transmission idsplay order, and according to this idsplay order, the full frame or specified partition of B end control LED display shows image.
(3) A end control image capture device is aimed at the zone to be corrected of LED display, and acquisition of image data also is uploaded to the A end, at the A end data analysis of uploading is processed, and generates correction coefficient; At least a corresponding in picture material, brightness and the color of correction coefficient.
(4) correction coefficient that the A end is generated is transferred to the B end by described network connection; After the B termination is received correction coefficient, become by the controller of B end and to send the receiving card of correction coefficient to LED display, so that LED display demonstrates the full frame or appointed area image after the correction.
(5) image capture device gathers image to this zone to be corrected again, and view data also is uploaded to the A end, at the A end light tone degree of LED pointwise is analyzed, and judges whether calibration result is satisfied with (if light tone degree high conformity then illustrate that calibration result is good);
If not, then to this regional repeated execution of steps to be corrected (3) to (5), until whether calibration result is satisfied with;
If, then continue to carry out according to step (2) to (5), carry out the correction of next specified partition.
(6) finish automated correction work.
The concrete control method that above specific embodiment and accompanying drawing thereof provide and operation example be only as a kind of preferred embodiment of the present utility model, and should not be considered as the restriction to the utility model protection domain.Based on control program of the present utility model, those skilled in the art obviously can do some adjustment at concrete control flow and mode of operation by conventional software setting according to demand for control, reach technique effect of the present utility model.

Claims (6)

1.LED display screen correction system comprises the LED display control device, the control output end of LED display control device is connected to the receiving card of LED display; It is characterized in that: this LED display corrective system comprises that also means for correcting and camera lens are towards the image capture device of LED display, set up network connection between means for correcting and the LED display control device, described means for correcting comprises image acquisition and processing module, correction coefficient computing module and the correction instruction module that connects successively; Be provided with command process module in the described LED display control device;
The camera lens of image capture device cover the full frame and alignment lens direction of LED display and focal length adjustable; The output end of image of image capture device is connected to the image acquisition and processing module of means for correcting, the correction instruction module by described network connection to command process module so that the LED display control device is carried out the correction instruction that means for correcting sends.
2. LED display corrective system according to claim 1, it is characterized in that: described network is wireless network.
3. LED display corrective system according to claim 1 is characterized in that: the output end of image of image capture device is connected with the image acquisition and processing module of means for correcting by the usb data line.
4. LED display corrective system according to claim 1 is characterized in that: the image capture device control module that is provided with to regulate image capture device alignment lens direction in means for correcting or LED display control device.
5. according to claim 1 to 4 arbitrary described LED display corrective systems, it is characterized in that: image capture device drives to change the alignment lens direction by stepper motor.
6. LED display corrective system according to claim 5 is characterized in that: image capture device employing slr camera or industrial camera.
CN2012203753998U 2012-07-30 2012-07-30 Led display screen correction system Expired - Lifetime CN202711664U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103327259A (en) * 2013-07-19 2013-09-25 西安诺瓦电子科技有限公司 Parameter adjusting method and device of camera for correcting LED (Light Emitting Diode) display screen
CN103413527A (en) * 2013-08-19 2013-11-27 西安诺瓦电子科技有限公司 Image acquisition method and display method for LED display screen correction
CN103458026A (en) * 2013-09-02 2013-12-18 西安诺瓦电子科技有限公司 Cluster-type monitoring system and monitoring method
CN103559862A (en) * 2013-11-11 2014-02-05 西安诺瓦电子科技有限公司 Partition zone correcting method for LED display screen
CN104978929A (en) * 2015-07-06 2015-10-14 西安诺瓦电子科技有限公司 Point-by-point correcting method of LED display device, system architecture for correcting, and controller
CN105572888A (en) * 2016-02-04 2016-05-11 无锡博一光电科技有限公司 3D display correction system and correction method
CN107113412A (en) * 2014-07-31 2017-08-29 三星电子株式会社 Display device, display calibration equipment, display correction system and display bearing calibration
CN110728947A (en) * 2019-09-21 2020-01-24 深圳市奥拓电子股份有限公司 LED display screen correction method, system and machine-readable storage medium
CN113380184A (en) * 2021-04-25 2021-09-10 卡莱特云科技股份有限公司 Correction method and device, LED display screen and computer equipment

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103327259A (en) * 2013-07-19 2013-09-25 西安诺瓦电子科技有限公司 Parameter adjusting method and device of camera for correcting LED (Light Emitting Diode) display screen
CN103327259B (en) * 2013-07-19 2016-03-23 西安诺瓦电子科技有限公司 The parameter regulation means of LED display correction camera and device
CN103413527A (en) * 2013-08-19 2013-11-27 西安诺瓦电子科技有限公司 Image acquisition method and display method for LED display screen correction
CN103458026A (en) * 2013-09-02 2013-12-18 西安诺瓦电子科技有限公司 Cluster-type monitoring system and monitoring method
CN103458026B (en) * 2013-09-02 2016-08-17 西安诺瓦电子科技有限公司 Concentrating type monitoring system and monitoring method
CN103559862A (en) * 2013-11-11 2014-02-05 西安诺瓦电子科技有限公司 Partition zone correcting method for LED display screen
CN103559862B (en) * 2013-11-11 2016-08-17 西安诺瓦电子科技有限公司 The Subarea calibration method of LED display
CN107113412A (en) * 2014-07-31 2017-08-29 三星电子株式会社 Display device, display calibration equipment, display correction system and display bearing calibration
CN107113412B (en) * 2014-07-31 2019-06-14 三星电子株式会社 Display device, display correction device, display correction system and display bearing calibration
CN104978929A (en) * 2015-07-06 2015-10-14 西安诺瓦电子科技有限公司 Point-by-point correcting method of LED display device, system architecture for correcting, and controller
CN105572888B (en) * 2016-02-04 2018-01-30 无锡博一光电科技有限公司 A kind of 3D display correction system and bearing calibration
CN105572888A (en) * 2016-02-04 2016-05-11 无锡博一光电科技有限公司 3D display correction system and correction method
CN110728947A (en) * 2019-09-21 2020-01-24 深圳市奥拓电子股份有限公司 LED display screen correction method, system and machine-readable storage medium
CN110728947B (en) * 2019-09-21 2021-10-26 深圳市奥拓电子股份有限公司 LED display screen correction method, system and machine-readable storage medium
CN113380184A (en) * 2021-04-25 2021-09-10 卡莱特云科技股份有限公司 Correction method and device, LED display screen and computer equipment
CN113380184B (en) * 2021-04-25 2022-02-15 卡莱特云科技股份有限公司 Correction method and device, LED display screen and computer equipment

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C14 Grant of patent or utility model
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province

Patentee after: XI'AN NOVASTAR TECH Co.,Ltd.

Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province

Patentee before: Xi'an NovaStar Tech Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130130