Environmental protection, 3D and touch screen are the main directions of display development. When it comes to environmental protection, the E-Book, OLED and LED back light become typically representative. According to the report of display report, the sales of OLED had reached five hundred million in 2006, and it will surpass one billion in 2010. The market of E-paper is similar with the OLED, but the application of OLED is wider.

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