China's high-end LED large-screen display core technology has made a major breakthrough, breaking the technical blockade and monopoly of foreign countries in the high-end LED large-screen display field, and the key indicators have reached the international leading level. Through the implementation of this subject, the undertaking unit has also developed LED special light color parameter acquisition instrument and LED special comprehensive evaluation platform, and established LED large-screen display display quality evaluation system, which greatly improved the independent innovation capability of China's LED display; More than 40 patents, published nearly 20 papers. The results of the project have been performed on the "Revival Road" of the National Grand Theater with the oval main display, the 60th anniversary of the National Day, the "Wonderful Jilin" National Day float display, the Shanghai Bund "Phantom Cube" and the Shanghai landmark "Jinmao Tower". It is applied in projects with significant display such as outdoor display engineering. The implementation and promotion of this topic, to improve the industrialization level of China's high-end LED large-screen display and the ability to participate in international competition, establish and improve the support system of LED technology and testing standards, testing methods and evaluation platform, and promote China's LED display industry The sustainable development and industrialization lay a solid foundation and provide strong technical support.
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The Chinese Academy of Sciences Changchun Institute of Optics and Changchun Xida Electronic Technology Co., Ltd. jointly tackled the breakthrough of LED large-screen display in point-by-point chromaticity parameter acquisition, brightness chromaticity factory and on-site calibration, display control, high-precision gradation control, detection and evaluation And technical bottlenecks in industrial production and other aspects, LED large-screen display in the clarity, uniformity, color deviation correction, gray control, data transmission, image processing, high refresh rate, high resolution and other technologies ranked first in the world.