Скачать или смотреть Why the blue LED took decades—and changed everything

Why the blue LED took decades—and changed everything

Blue wasn’t just another LED color—it was the key to full‑color displays and efficient white light. This video explains, in clear terms, why blue was so hard, how engineers finally solved it, and what changed in your screens, cities, and energy bills. We separate myth from fact and leave you with a memorable insight you can share. Educational, respectful, and ad‑safe.

For educational purposes only. Not financial, medical, or engineering advice.
General sources: textbooks and reputable articles on semiconductor LEDs, gallium nitride materials, and LED history.
Sources: [Semiconductor LEDs overview], [GaN/InGaN materials], [Historical timelines of LED development]

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