At the opening ceremony of the Expo, the world's largest outdoor LED display with a length of 300 meters and a height of 30 meters not only brought a shocking visual feast to the audience, but also a concentrated display of Shanghai led technology. The Shanghai World Expo “Perception of Shanghai†interviewed yesterday visited the development of the LED industry outside the Expo.
The relevant person in charge of the Electronic Information Industry Department of the Shanghai Economic and Information Technology Commission introduced that at present, China has included semiconductor LED lighting in the medium and long-term science and technology development plan. In September 2009, Shanghai promoted the high-tech industrialization of electronic information manufacturing. The Program also clearly defines LED as the development focus of the new display field. As one of the national semiconductor lighting engineering industrialization bases, Shanghai has basically established a relatively complete epitaxial wafer production, chip preparation, package integration, LED application industry chain, especially at the two ends of the industry chain, namely LED upstream extension, chip and downstream applications. The link has certain advantages.
This World Expo provides a broad platform for the concentrated display of LED technology. The stage background of the main venue of the opening ceremony of the World Expo, the China Pavilion, the hexahedron "magic box" of the National Grid Pavilion, and the exterior wall of the oil museum have LED full-color displays. According to preliminary calculations, a total of 1.03 billion LED chips are used in the Expo site, and about 80% of the indoor lighting sources in the Expo site use LED green light sources.
Most of these LED "masterpieces" in the Expo Park are from Shanghai Sansi. Founded in 1993, Shanghai Sansi is the largest professional manufacturer of LED display and lighting products in China. Its main products are lighting and display screens. Its LED display products have reached the domestic first and international advanced level. The company has been recognized as a high-tech enterprise for 16 consecutive years. So far, it has applied for more than 118 patents at home and abroad, including 68 patents granted. Since 2002, the company's annual sales have increased at an average rate of 30%. It is reported that the company will build the world's largest LED application product research center.
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