Research Insights - February 01, 2015

Lighting up Our Lives - Blue LED

One of the 2014 Nobel laureates in Physics, Prof. Shuji NAKAMURA has been our IAS Visiting Professor since 2008.
0.19 inch 1,700 pixels per inch (PPI) high resolution passive-matrix Light Emitting Diode on Silicon (LEDoS) micro-display for wearable electronics such as head-mounted display.

The 2014 Nobel Prize in Physics went to three scientists and engineers, Profs Isamu AKASAKI, Hiroshi AMANO, and Shuji NAKAMURA for their invention of energy-efficient and environment-friendly blue light-emitting diode (LED). A natural question from readers might be, “Why blue in particular, but not LEDs in other colors?”

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