Social Tech on Instagram: "Why It Took 30 Years to Crack Blue LED Technology 💡🔵 This video explores the long and challenging journey behind the invention of blue LEDs — a breakthrough that scientists spent decades trying to achieve. While red and green LEDs were developed much earlier, creating a reliable and efficient blue light required entirely new semiconductor materials and solving extremely complex engineering problems. Once blue LEDs became practical, they made white LED lighting possib

Blue LED Edit Showcase with Creative Highlights