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Technology update

Jun 11, 2008

Nanoimprint lithography improves OLEDs

Nanomprinted low-refractive index layers could increase the light-emitting efficiency of organic light-emitting diodes (OLEDs) by 40%. Hideo Takezoe of the Tokyo Institute of Technology and colleagues patterned amorphous fluoropolymers, which have low refractive indices and high light transmission over a wide range of wavelengths, as a substrate for the OLEDs. The technique could especially be useful for small or medium-sized devices.

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