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New method can increase OLED efficiency by 3000%: Claims researchers

New method can increase OLED efficiency by 3000%: Claims researchers

By BizLED Bureau

June 25, 2015: A research team at the University of Ulsan led by Lee Min-hyung, a professor at the Department of Chemistry, said that it has developed a technique to improve the efficiency of light-emitting materials used for making organic LEDs (OLED) by more than 30 times.

The research team drastically increased light-emitting efficiency by making the molecular structure of light-emitting materials stronger by using a method to synthesize molecules. They found that the result was attributable to a change in the molecular structure in an excited state generated by light.

?The newly-developed technology has increased our understanding about the light-emitting mechanism of light-emitting materials, and can maximize light-emitting efficiency while minimizing power consumption as well. So, I think that it will contribute hugely to improving the function of electronics like OLED TVs or smartphones,? explained Professor Lee. The research findings have been published by the Journal of the American Chemical Society.

Photo caption: The research team headed by Lee Min-hyung (center), professor of the Department of Chemistry at the University of Ulsan, has increased light-emitting efficiency by 30 times using a method to synthesize molecules in a lab.


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