The Quest for the Blue LED: A 30-Year Challenge!

Did you know it took over 30 years for scientists to create the blue LED? While red and green LEDs were already available in the 1960s, the blue LED remained elusive. Discover the incredible journey of innovation, the challenges faced with materials like gallium nitride, and the groundbreaking work of three Japanese scientists that led to a Nobel Prize in Physics. Today, blue LEDs light up our world—from phone screens to energy-efficient bulbs! Watch to learn why creating the blue LED was almost impossible!