Today, the Royal Swedish Academy of Sciences announced that it had awarded the Nobel Prize in Physics
for 2014 to three scientists -Professors Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura -“for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources".
Red and green LEDs existed (they had been developed in the 1950s and 1960s , respectively) when the three researchers first started their investigations in the mid-1980s to create the elusive blue diode.
All three believed that blue-light gallium nitride (GaN) was the correct material that needed to be introduced into the makeup of the diode’s architecture. The problem, however, was that high-quality gallium nitride crystals had yet to be produced with any consistency.
All three believed that blue-light gallium nitride (GaN) was the correct material that needed to be introduced into the makeup of the diode’s architecture. The problem, however, was that high-quality gallium nitride crystals had yet to be produced with any consistency.
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