Developments of InGaN-based double hetero-structure high brightness blue LEDs and future lighting Shuji Nakamura keynote talk given at the 7th Ludwig Boltzmann Forum, Austrian Embassy in Tokyo, 20th February 2015 by Shuji Nakamura, Nobel Prize in Physics 2014. Inventor of blue GaN LEDs and lasers. Professor, Solid State Lighting and Energy Electronics Center, Materials and […]