nobel prize for physics 2014 | scienceinfo.net

Japanese scientist won the 2014 Nobel Prize in Physics
The award was announced at 1145 (local time) at Karolinska Academy, Stockholm, Sweden. This is the 108th Nobel Prize in Physics awarded from 1901 to the present.
How important is a positive blue LED for Nobel Prize 2014?
When the application of LED has become common, not many people understand that the birth of blue LED means what.