![TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. : r/todayilearned TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. : r/todayilearned](https://external-preview.redd.it/til-the-first-blue-led-wasnt-commercially-available-until-v0-4_Ql4CUEEV57uAVokPwxDK_7jZL0bm6JUxX45eEBKkk.jpg?width=640&crop=smart&auto=webp&s=01297052176b2230059138566e9db39aff494656)
TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. : r/todayilearned
Shuji Nakamura's groundbreaking invention of the blue LED light allowed for the full spectrum of colors in LEDs for the first time. His... | Instagram
![Lightbulb moment for Nobel physicists: prize awarded for inventing blue LEDs | Nobel prizes | The Guardian Lightbulb moment for Nobel physicists: prize awarded for inventing blue LEDs | Nobel prizes | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2014/10/7/1412702033931/Shuji-Nakamura-with-a-blu-014.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTQucG5n&enable=upscale&s=b9f951ac0892afb19000e891ad9e23be)