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• [Preview CHINA HI-TECH FAIR 2012] QD Solution to show Quantum LED QD Solution (CEO Jin-won Song, www.qdsnano.com) will participate in 'CHINA HI-TECH FAIR 2012' held at longer lifespan and is superior in terms of efficiency of patterning and high resolution than the OLED blog.naver.com · 2013.01.01