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Appeared on: Friday, May 09, 2008
LG Display Develops Next Generation TFT Printing Technology

LG Display has developed the world?s first TFT roll-printing technology that can replace the photolithography process.

Photolithography is a process used in TFT-LCD fabrication to form patterns on the TFT and color filter substrate. It involves a complex set of processes that requires huge and costly equipment. However, using the roll-printing technology instead of photolithography, the complex set of processes used to form the required patterns can be proceeded at once.

The roll-printing technology is expected to help reduce material and equipment costs, clean room investment costs and also shorten the production time of TFT-LCD. Furthermore, roll-printing is an environment-friendly technology that decreases the use of chemicals used in the photolithography process and is also applicable to the next-generation, flexible display technology.

LG Display already developed the color filter roll-printing technology in the end of 2005 and recently succeeded in applying the roll-printing technology to the TFT process for the first time in the world. This was due to LG Display?s technological development in enhancing accuracy and resolution, which was previously considered as a limitation of the roll-printing technology.

"LG Display?s TFT roll-printing technology will give us a strong lead in the market for next generation printing technologies." said Mr. In-Jae Chung, the company?s Chief Technology Officer and Executive Vice President. "We will continue to pioneer the development of cutting-edge display technology to effectively meet our customers? current and future needs." Jung added.

LG Display plans to unveil its new TFT roll-printing technology at the SID (Society of Information Display) 2008 which will be held from May 20 through 22 in Los Angeles, California.


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