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>> TFT-LCD: Large-sized investment in the field of small and medium-size investment is getting hot 24th,Jan,2018
TFT-LCD (TFT-LCD) technology has been quietly changing our lives as products like cell phones, laptops, flat-panel TVs and flat panel displays come to our notice. As a dazzling star in new display devices, TFT-LCDs make our life easier and more colorful.
According to the report of DisplaySearch, a market research agency, the global output value of flat panel displays topped 100 billion U.S. dollars for the first time in 2007, including 90 billion U.S. dollars for TFT-LCDs. It is estimated that by 2015, the output value of flat panel displays will reach 140 billion U.S. dollars, of which TFT-LCD will account for 127 billion US dollars. Many domestic enterprises also intend to invest more than 6 generations of TFT-LCD production lines, the international community has also continued to announce the investment to build high-generation TFT-LCD production line. The face of the rapid development of TFT-LCD and investment warming, many experts and scholars expressed their own views.
Unbalanced size technology continues to share
Small and medium size screen has always been TFT-LCD "exclusive stage." Jia Yuntao, vice general manager of Sichuan Hongou Display Devices Co., Ltd, said: "The LCD that takes the lead in static display will be more obvious in the applications of computers, mobile phones and small-sized TVs." "From a market perspective, small and medium size In addition to the original high sales of mobile phones, digital cameras and automotive displays, emerging applications will drive the growth of small and medium size panels in the future such as digital photo frames, personal navigation devices, and student applications Notebook computers, palmtop computers and ultra-low-cost notebook computers, etc. For domestic manufacturers, military products will also be an important application area. The market growth of small and medium size TFT-LCDs is very good. "Professor, Southeast University Display Technology Research Center Tong Lin Tau told reporters. However, in the face of the rapid development of technology, some experts think the screen size will not be the "magic spell" for industrial development. Jinsong, president of Shanghai Radio and Television (Group) Academia Sinica, told reporters that the global new round of investment heat is basically at 7.5 generations or more. For large-size TFT technology, the overall trend is also facing large-size. For China, there are also experts believe that the demand for large-size production line is too high, the risk is too large, does not meet China's current national conditions. Japan was originally a leader in liquid crystal production lines. However, after the 4.5-generation production line was not in a hurry to further develop large-scale liquid crystal production lines because of funding problems, it was working hard to develop and improve industrial chains and manufacturing equipment. On the surface, Japan now has a large production line Behind the South Korea, but the liquid crystal upstream materials are basically Japanese companies control and mastery.Japanese companies are now only further to develop large-scale production line.We can not blindly follow the trend, rush into action, otherwise it will pay a big price.It should be based on China The actual situation to do our own thing. "Tong Lin said so.
If the size of the size of the TFT-LCD technology development is one of the key directions, then its continuity and sharing can not be ignored. "In recent years, two new technologies that are very active in TFT-LCD field, such as low-temperature polysilicon TFT and inkjet printing, have been applied to AM-OLED and AM-E-paper and are becoming the most important common technologies in flat panel display technology. TFT-LCD technology and OLED, E-paper and other new display technologies will have good continuity and sharing. "BOE Technology Group Co., Ltd. Vice President Dong Youmei optimistic.
High cost of raw materials rely on imports
TFT-LCD panel production process is very complicated. The key technologies and materials that make up the panel include color filters, substrate glass, polarizers, chips and backlight modules. At present, most of our upstream materials, especially the panel-related materials are mainly imported. Although the rainbow glass substrate project successfully ignited, it still faces considerable challenges and risks.
TFT-LCD upstream industry development is also a high cost of industry consensus. Jia Yuntao said: "In terms of the upstream of the industry chain, the cost of TFT-LCD materials is relatively high, the screen part of the cost of module costs accounted for about 60%, the driver circuit part of the entire module costs about 40%." Tong Lin 夙 also This is confirmed by the specific data: "For a production line with a monthly capacity of 60,000 substrates, for example, each of the 5th generation production lines needs to invest 10 billion yuan each and its 6th generation production line needs to invest 20 billion yuan each. 7 generations of production lines each need to invest 30.2 billion yuan.
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