Jeri Ellsworth demonstrates the basic principles behind brewing your own OLEDs, and continues her little tutorial on semiconductor physics by showing how the “band gap” in materials works.

Making an OLED – Light from Plastics

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Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


  • Maker Dino

    Thanks Jeri! Great video… You always enlighten!
    Pun intended. :)