Question

who invented blue light emitting diodes?​

Answer 1

Answer:

Professors Isamu Akasaki, Hiroshi Amano and Shuji Nakamura made the first blue LEDs in the early 1990s. This enabled a new generation of bright, energy-efficient white lamps, as well as colour LED screens.

Answer 2

Answer:

Japanese Nobel laureate Isamu Akasaki, inventor of blue LED, dies. TOKYO (Kyodo) -- Japanese physicist Isamu Akasaki, a co-winner of the 2014 Nobel Prize in physics for inventing the world's first efficient blue light-emitting diodes, has died, Meijo University said Friday. He was 92