The stories behind the World Cup LED spherical screen

Guide: Since MJ4 can be successfully applied to the opening and closing ceremony of the 2014 Brazil World Cup "live football" display project. Now let's talk about the stories behind the World Cup LED screen!

First, "live football" profile:

The total area of ​​the project is 150sqm and the diameter of the sphere is 7m. It is divided into 9 petals during the performance. Each petal is covered with a MJ4 P44 string. The whole ball is composed of more than 90,000 MJ4 lamp points with a brightness of up to 7000 nits. The particularity of the project:

1. Highly customized: the length of the string on each petal of the sphere is different, so each string needs to be customized separately, and the spacing of the points at the upper and lower corners of the petals is different. Therefore, the length of each string is different. Not one.

2. Unique installation and connection method: Our engineers carry out highly accurate calculations, and finally get the length and spacing of each string, and draw detailed layout diagram and system connection diagram.

3. Unique control method: Special customized software will process the pixel points of the sphere to realize the video playback of the whole ball.

4. Special video processing: The video used for this project is specially processed by the customer. Our engineers give a layout of the petals of the customer's sphere, and the customer refers to the production of the video to ensure the integrity and authenticity of the sphere.

5. Unique installation method: In this project, the MJ4 point light source series does not use the card holder, and the customer uses the nylon hook to realize the installation.

The procurement, verification and production of the World Cup project are very detailed. Nylon Velcro has been selected for the project with the most stable and reliable method after several tests. The customer was installed under the guidance document of Wittom Optoelectronics, and Wittom's photovoltaic engineer flew to Brazil for a month to assist with calibration, testing, repair and final opening site guidance. After the preliminary test results, the customer was particularly satisfied with the solutions and results of Witm Optoelectronics.

In the end, "Live Football" performed lively at the opening ceremony. The famous singer Jennifer Lopez sang the theme song "We are one" on the magic stage inside the football. The world football war was opened. prelude.

Second, "live football" preparation

Wittom Optoelectronics received an engineering proposal for "live football" in August 2013. Wittom's optoelectronic sales staff and R&D personnel gave the plan drawing and cooperation in the first time. The high flexibility of the point source and the professionalism of research and development have attracted customers' first reply and praise.

At the beginning of October 2013, the drawings of the spherical project were changed, which had higher requirements for highlights and waterproofing, and the product plan was also changed.

At the beginning of December 2013, the spherical project drawings were finalized, and the diameter was determined to be 7 m, and finally 9 petals were opened. The customer visited Witnm Optoelectronics again for the final negotiation and sent samples to Brazil. (The picture shows the final "live football" drawing requirements)

God's masterpiece: World Cup LED ball screen and the story behind it

"Live football" drawing requirements

At the beginning of February 2014, the ISE exhibition in the Netherlands once again met with customers, and finally confirmed that Witham became the LED display supplier of the special-shaped customized project, using the product as the point source series MJ4.

From February to March, the customer has had several skype meetings at Wittom Optoelectronics and the terminal to gradually solve the problems and bottlenecks encountered during the completion of the project.

At the Prolight + Sound in Frankfurt in early March, we celebrated winning the project with our customers and planning for the subsequent production schedule.

After the accurate calculation of the R&D department and various tests, the production of the order was started in mid-March. Complete all custom light strings in mid-April. At the end of April, complete all controllers, power supplies, etc.

Wittom Optoelectronics Engineers flew to Sao Paulo on May 7 to guide the installation, commissioning, and live screen control of the World Cup opening ceremony. The engineer is expected to return to China on June 14, and will fly to Brazil again at the closing ceremony to take full control.

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 1: MJ4 sample

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 2: MJ4 string welding

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 3: MJ4 different lengths of light string aging test

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 4: "live football" petals set up for system debugging

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 5: Paste "Nylon Glue"

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 6: Light string label for easy identification

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 7: Packaging, shipping

Third, "live football" installation

Third, "live football" installation

The Brazilian, Belgian, and Witm team completed the installation of the "live football" and spent a total of 9 days installing a petal every day.

God's masterpiece: World Cup LED ball screen and the story behind it

figure 1

God's masterpiece: World Cup LED ball screen and the story behind it

figure 2

God's masterpiece: World Cup LED ball screen and the story behind it

image 3

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 4

Fourth, "live football" debugging and rehearsal

Fourth, "live football" debugging and rehearsal

Under the collective cooperation of all customers and our engineers, the installation of the spherical project was successfully completed, and the commissioning and rehearsal stages were entered.

Due to the manual installation of all the light string design, there are subtle problems in the installation---the accuracy of some parts is not high.

After adjustment, the customer is very satisfied with the test results:

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 1: Installation accuracy is not high

Engineer on-site assistance

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 2: On-site assistance of our engineers

"live football" petals open effect

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 3: Testing the "live football" petals opening effect

God's masterpiece: World Cup LED ball screen and the story behind it

Figure 4: Opening rehearsal effect

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