The performances at this year's Winter Olympics will astonish you if you saw the opening ceremony of the Beijing Winter Olympics earlier this year. Apart from the amazing programs, the technological skill behind them is even more striking, especially on the site of the opening ceremony, which is shown live on a giant screen.
With a total surface area of 10,393 square meters, the screen is almost 1.5 times the size of a football field. It has more than 42,000 LED modules and has a 100,000:1 contrast ratio. It has a refresh rate of 3840Hz, which is extremely fast.
The "snowflake" main torch stage, a 14.89-meter-high torch stage made up of 96 tiny snowflakes and six olive branch-shaped LED double-sided screens, was also used during the opening ceremony. In the hollowed-out design, 550,000 LED light beads are installed, each of which is controlled independently by a single channel of the driver chip.
The whole opening ceremony combines LoRa with synchronous playback time correction technology to provide a flawless video image and that these lamp beads and the stage's enormous screen can achieve synchronous push of video images in a very short period and that all screens can reply in milliseconds. Synergy.
Local enterprises have quickly followed in the AMOLED panel industry, it may be argued. According to CINNO Research, mainland China has overtaken the United States as the world's largest panel manufacturing base, accounting for 76 percent of global capacity by 2025. By 2024, China's OLED panel manufacturing capacity will surpass that of South Korea, making it first in the world.
Only a few years ago, this would have been unimaginable. You should be aware that the panel market is monopolized by Korean companies. Samsung or LG products are used in almost all high-end telephones and other gadgets from major manufacturers.
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