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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 is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.


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