6:37Long-form

The blue LEDs that existed before the current InGaN blue LEDs

United StatesPublished February 13, 2024

Views 22.2K  |  Likes 1.28K  |  Comments 191
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JohnAudioTechJohnAudioTech
67K subs•607 videos•Aug 2012

Ranked #14,793,504 globally by view count, this video has accumulated 22.2K views since it was published on Feb 13, 2024.

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