CN208706212U - A kind of LED display correction system - Google Patents
A kind of LED display correction system Download PDFInfo
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- CN208706212U CN208706212U CN201821471420.8U CN201821471420U CN208706212U CN 208706212 U CN208706212 U CN 208706212U CN 201821471420 U CN201821471420 U CN 201821471420U CN 208706212 U CN208706212 U CN 208706212U
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- led display
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Abstract
The utility model relates to LED display technical fields, specifically disclose a kind of LED display correction system, including PC machine, multiple transmission units, multiple receiving units, LED display and the filming apparatus being connected respectively with multiple transmission units, wherein: transmission unit is equipped with USB serial ports and USB port, the USB port of a transmission unit in two neighboring transmission unit is connect with the USB serial ports of next transmission unit by USB Serial Port Line, so that multiple transmission units successively cascade, and PC machine is connect with the USB serial ports of first transmission unit；Receiving unit is connect with LED display；Filming apparatus is connect with PC machine.A kind of LED display correction system of the utility model guarantees the correction indifference between each transmission unit, and easy to operate by cascade transmission unit structure；The transmission that information is realized with a plurality of USB Serial Port Line, reduces the cost of LED display correct operation, it is no longer necessary to which additional equipment simplifies system structure.
Description
Technical field
The utility model relates to LED display technical fields more particularly to a kind of LED display to correct system.
Background technique
For LED display is compared with traditional LC D, DLP, can arbitrarily it splice, area is bigger, and visual angle is wider, and it is also more eye-catching,
Visual impact is also stronger；In addition to large-size screen monitors advantage, outdoor full color LED display screen, image quality high definition is rich in color gorgeous, fine and smooth journey
It spends also higher and higher.Ideally, LED display is uniform, the light that each pixel issues on unspecified angle it is bright
Degree, coloration are always consistent.And in actual production process, the uniformity of display screen will receive LED itself, and there are brightness, color
Otherness and LED display manufacturing process flatness, mould group heat dissipation uneven distribution on degree, LED light brightness decline naturally
Subtract, the influence for the factors such as all lamp attenuation degrees are inconsistent, so the uniformity for the LED display not corrected can not reach
To desirable level, there are obvious gaps compared with other flat panel displays for image quality.
For the alignment technique of LED display, there are two types of modes in the prior art；The first, is passed by video signal cable
The signal of defeated image or video, the screen carried respectively for individual sending card band is successively corrected, but such correction
Correction can generate difference between the screen that each sending card band carries in method, and calibration result is bad；Second, pass through vision signal
The transmission of image or vision signal is realized in line parallel connection, is connected between sending card, and multiple sending cards show complete graph using splicer
It as picture and then is corrected, the method can greatly increase additional hardware equipment, and at high cost, debugging is complicated, and super large screen is difficult to do
To point-to-point.
Utility model content
For the technical problems in the prior art, the utility model provides a kind of LED display correction system.
A kind of LED display correction system, including PC machine, multiple transmission units and multiple transmission units respectively correspond company
Multiple receiving units, LED display and the filming apparatus connect, in which:
Transmission unit is equipped with USB serial ports and USB port, the USB port of a transmission unit in two neighboring transmission unit
Connect with the USB serial ports of next transmission unit by USB Serial Port Line so that multiple transmission units successively cascade, and PC machine with
The USB serial ports connection of first transmission unit；Picture signal is stored in transmission unit, PC machine sends control to first transmission unit
System order, control command transfer to other transmission units step by step, the control command that multiple transmission units are sent according to PC machine to
Its receiving unit being correspondingly connected with sends corresponding image information；
Receiving unit is connect with LED display, and picture signal is sent to LED display progress image and shown by receiving unit
Show；
Filming apparatus is connect with PC machine, the image that filming apparatus shows LED display according to the shooting order of PC machine into
Row shooting, and the photo of shooting is sent to PC machine；
PC machine, which receives the photo of filming apparatus shooting and carries out analysis, obtains correction result.
Further, transmission unit is sending card.
Further, receiving unit includes that at least one receives card, and it is single with corresponding transmission to receive one end after card successively cascades
Member connection, the other end are connect with LED display.
Further, LED display is spliced by least one LED display module, in which:
Receiving unit connects one to one with LED display module, and LED display module is according to the reception list of corresponding connection
The image information that member is sent performs image display.
Further, correction result is sent in receiving unit by transmission unit and is stored by PC machine.
Further, filming apparatus includes tripod, holder and camera, and camera is connect with PC machine.
A kind of LED display correction system of the utility model guarantees each transmission by cascade transmission unit structure
Correction indifference between unit, and it is easy to operate；The transmission that information is realized with a plurality of USB Serial Port Line, reduces LED and shows
Shield the cost of correct operation, it is no longer necessary to which additional equipment simplifies system structure.
Detailed description of the invention
Illustrate the utility model embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it is clear that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that the LED display of the utility model embodiment corrects the module composition figure (one) of system；
Fig. 2 is that the LED display of the utility model embodiment corrects the module composition figure (two) of system；
Wherein: 1-PC machine, 2- transmission unit, 201-USB serial ports, 202-USB mouthfuls, 3- receiving unit, 301- reception card, 4-
LED display, 401-LED display module, 5- filming apparatus.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, to the technical scheme in the embodiment of the utility model carry out it is clear,
Complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those skilled in the art is without making creative work
All other embodiment obtained, belongs to the protection scope of the utility model.
As shown in Figure 1, a kind of LED display for the utility model embodiment corrects system, including PC machine 1, Duo Gefa
Multiple receiving units 3, LED display 4 and the filming apparatus 5 for sending unit 2, being connected respectively with multiple transmission units 2,
In: transmission unit 2 is equipped with USB serial ports 201 and USB port 202, a transmission unit 2 in two neighboring transmission unit 2
USB port 202 is connect with the USB serial ports 201 of next transmission unit 2 by USB Serial Port Line, so that multiple transmission units 2 are successively
Cascade, and PC machine 1 is connect with the USB serial ports 201 of first transmission unit 2；Store picture signal in transmission unit 2, PC machine 1 to
First transmission unit 2 sends control command, and control command transfers to other transmission units 2, multiple 2 bases of transmission unit step by step
The control command that PC machine 1 is sent sends corresponding image information to the receiving unit 3 of corresponding connection；Receiving unit 3 with
LED display 4 connects, and picture signal is sent to LED display 4 and performed image display by receiving unit 3；Filming apparatus 5 and PC
Machine 1 connects, and filming apparatus 5 is shot according to the image that shows to LED display 4 of shooting order of PC machine 1, and by shooting
Photo is sent to PC machine 1；PC machine 1, which receives the photo that filming apparatus 5 is shot and carries out analysis, obtains correction result.The utility model
In to the particular numbers of multiple transmission units 2 or multiple receiving units 3 without limitation, it is only necessary to according to specifically used requirement benefit
Transmission unit 2 is gradually cascaded with USB Serial Port Line, corresponding transmission unit 2 connects receiving unit 3.The utility model is implemented
Control command is sent to first transmission unit 2 by USB Serial Port Line by example, and first transmission unit 2 and other transmissions are single
Member 2 cascades, then control command is transmitted to step by step in each transmission unit 2, realizes control of the PC machine 1 to each transmission unit 2.This
When PC machine 1 in embodiment is corrected analysis to photo, can coloration to LED display 4 and brightness be corrected, point
Colorimeter system used by analysis calculates or standard are not specifically limited, and require to be designed according to prior art.This
Embodiment without limitation to the resolution ratio of LED display 4, do not make by specific size and manufacturer to LED display 4 etc.
It limits.The present embodiment is not specifically limited the resolution ratio of photo captured by filming apparatus 5, it is preferred that with LED display 4
Resolution ratio it is identical.The function that the filming apparatus 5 of the utility model embodiment is realized is the image shown to LED display 4
It is shot, so the filming apparatus 5 that need to only reach this purpose can be used as the protection scope of the present embodiment, it is preferred that this
Filming apparatus 5 in utility model embodiment includes tripod, holder and camera, and camera is connect with PC machine 1, and camera can be selected
The camera of CCD camera or other models.Filming apparatus 5 in the present embodiment is mounted on the front of LED display 4, specifically from
The distance of LED display 4 is not construed as limiting, and the size depending on LED display 4 is designed.PC machine 1 in the present embodiment can to
Its first transmission unit 2 connected sends control command, shooting order can be also sent to filming apparatus 5, while also collecting
Photo shown by the LED display 4 that filming apparatus 5 is shot, and analysis is carried out to photo and obtains correction result.By cascade
Transmission unit structure guarantees the correction indifference between each transmission unit, and easy to operate；It is real with a plurality of USB Serial Port Line
The transmission of existing information, reduces the cost of LED display correct operation, it is no longer necessary to additional equipment, such as splicing video card, spelling
Device etc. is connect, the structure of system is simplified.
Specifically, the transmission unit 2 in the present embodiment is sending card, the receiving unit 3 in the present embodiment is to receive card, this
Embodiment to sending card, receive card specific product parameter and manufacturer without limitation, those skilled in the art can pass through
Working experience is voluntarily selected.Preferably, multiple sending cards are integrated in same cabinet, by USB serial ports 201 and USB
Mouth 202 is arranged outside cabinet, directly carries out being correspondingly connected between interface, and operation is simpler accurately.Or it will hair
Card feed and reception card connect one to one post package in a cabinet, and interface is all arranged on cabinet, convenient for aobvious with LED
Display screen 4 connects.
Specifically, as shown in Fig. 2, the receiving unit 3 of the utility model embodiment include at least one receive card 301, connect
It receives one end after card 301 successively cascades to connect with corresponding transmission unit 2, the other end is connect with LED display 4.The present embodiment into
Without limitation, the specific size depending on LED display 4 is designed the cascade quantity for receiving card 301 of row.The reception of the present embodiment
Unit 3 includes that at least one receives card 301, increases the control area of this correction system.
Specifically, as shown in Figures 1 and 2, LED display 4 is spliced by least one LED display module 401,
In: receiving unit 3 connects one to one with LED display module 401, and LED display module 401 is according to the reception of corresponding connection
The image information that unit 3 is sent performs image display.Large LED display screen 4 in the prior art is because manufacturing cost is excessively high, equipment
Maintenance is not easy, and connecting method is mostly used to be composed, and each LED display module 401 shows a part of picture, is both after piecing together
Entire picture needs the correction shown to each LED display module 401 for the LED display 4 of this large size,
Receiving unit 3 is connect with LED display module 401, and PC machine 1 is realized by connecting with the USB serial ports 201 of first transmission unit 2
With the connection of all transmission units 2, control signal is sent to first transmission unit 2, realizes the control to all transmission units 2
System, and then control LED display module 401 and show corresponding image.The correction of LED display module 401 in the present embodiment is relatively only
It is vertical, after being shot to the image of entire LED display 4 display, divided by information such as the resolution ratio of the photo to shooting
Analysis calculates, and obtains the correction coefficient of the LED display module 401 connected with corresponding receiving unit 3, and PC machine 1 passes through result is corrected
Transmission unit 2 is sent in receiving unit 3 and is stored, thus the image for showing that LED display 4 again according to correction result
Requirement after correction can be reached.
The correction system of the utility model embodiment carries out the correction work of LED display by following steps:
(1) PC machine, multiple transmission units, multiple receiving units, LED display are accordingly connected；
(2) PC machine installs correction software,
(3) PC machine detection transmission unit and receiving unit, the base of setting transmission unit, receiving unit and LED display
This parameter；
(4) filming apparatus is mounted in front of LED display, and is connect with PC machine；PC machine sends shooting life to filming apparatus
It enables, adjusts viewfinder area, viewfinder area is made to be no more than monitor area；
(5) survey light is carried out to blue three colors of reddish yellow respectively, while adjusting filming apparatus parameter；
(6) selection subregion carries out continuous shooting, repeats the step, until LED display shooting is completed；
(7) PC machine is analyzed by the photo that correction software shoots filming apparatus, generates correction coefficient；
(8) correction coefficient is stored in receiving unit.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to the spirit and scope of the utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment belong to the range that the utility model is protected.
Claims (6)
1. a kind of LED display corrects system, which is characterized in that single including PC machine, multiple transmission units and multiple transmissions
Multiple receiving units, LED display and the filming apparatus that member is connected respectively, in which:
The transmission unit is equipped with USB serial ports and USB port, a transmission unit in the two neighboring transmission unit
USB port connect with the USB serial ports of next transmission unit by USB Serial Port Line so that multiple transmission units according to
Secondary cascade, and the PC machine is connect with the USB serial ports of first transmission unit；Image is stored in the transmission unit
Signal, the PC machine send control command to first transmission unit, and the control command is transferred to step by step described in other
Transmission unit, the reception list of the control command that multiple transmission units are sent according to the PC machine to corresponding connection
Member sends corresponding image information；
The receiving unit is connect with the LED display, and described image signal is sent to the LED and shown by the receiving unit
Display screen performs image display；
The filming apparatus is connect with the PC machine, and the filming apparatus is aobvious to the LED according to the shooting order of the PC machine
The image that display screen is shown is shot, and the photo of shooting is sent to the PC machine；
The PC machine, which receives the photo of the filming apparatus shooting and carries out analysis, obtains correction result.
2. a kind of LED display according to claim 1 corrects system, which is characterized in that the transmission unit is to send
Card.
3. a kind of LED display according to claim 2 corrects system, which is characterized in that the receiving unit includes extremely
Few reception card, one end is connected with the corresponding transmission unit after the reception card successively cascades, and the other end and the LED are aobvious
Display screen connection.
4. a kind of LED display according to claim 3 corrects system, which is characterized in that the LED display is by least
One LED display module is spliced, in which:
The receiving unit connects one to one with the LED display module, and the LED display module is according to corresponding connection
The receiving unit send described image information perform image display.
5. a kind of LED display according to claim 4 corrects system, which is characterized in that the PC machine is by the correction
As a result it is sent in the receiving unit and is stored by the transmission unit.
6. a kind of LED display according to claim 3 corrects system, which is characterized in that the filming apparatus includes three
Foot prop, holder and camera, the camera are connect with the PC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471420.8U CN208706212U (en) | 2018-09-10 | 2018-09-10 | A kind of LED display correction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471420.8U CN208706212U (en) | 2018-09-10 | 2018-09-10 | A kind of LED display correction system |
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| Publication Number | Publication Date |
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| CN208706212U true CN208706212U (en) | 2019-04-05 |
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ID=65946336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821471420.8U Active CN208706212U (en) | 2018-09-10 | 2018-09-10 | A kind of LED display correction system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017587A (en) * | 2019-05-30 | 2020-12-01 | 西安诺瓦星云科技股份有限公司 | Display system, display correction method and display correction device |
| CN114827658A (en) * | 2021-01-18 | 2022-07-29 | 深圳市洲明科技股份有限公司 | Display unit and data transmission method thereof |
-
2018
- 2018-09-10 CN CN201821471420.8U patent/CN208706212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017587A (en) * | 2019-05-30 | 2020-12-01 | 西安诺瓦星云科技股份有限公司 | Display system, display correction method and display correction device |
| CN114827658A (en) * | 2021-01-18 | 2022-07-29 | 深圳市洲明科技股份有限公司 | Display unit and data transmission method thereof |
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Address after: 518000 integrated circuit Industrial Park 101, No. 1089, chaguang Road, Xili street, Shenzhen City, Guangdong Province Patentee after: Carlette (Shenzhen) cloud Technology Co.,Ltd. Address before: 518055 Chaguang Road 1089 Integrated Circuit Design and Application Industrial Park, Nanshan District, Shenzhen City, Guangdong Province 101 Patentee before: COLORLIGHT (SHENZHEN) CLOUD TECHNOLOGY Co.,Ltd. Address after: Room 3801, block a, block 8, block C, Wanke Yuncheng phase III, Liuxin Fourth Street, Xili community, Nanshan District, Shenzhen City, Guangdong Province (37-39 floors) Patentee after: Carlette cloud Technology Co.,Ltd. Address before: 518000 integrated circuit Industrial Park 101, No. 1089, chaguang Road, Xili street, Shenzhen City, Guangdong Province Patentee before: Carlette (Shenzhen) cloud Technology Co.,Ltd. |