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"In 1970 I found little difficulty staying 30 years ahead of the man in the street, and now I find it difficult to stay 18 months ahead of the man on the street."
- Vernor Vinge

Leaf Screens  
  Bioform displays grown from plants offering flat surfaces - like leaves.  

There might even be broad-leaved philodendrons whose every leaf was a veedo screen...

...At a recent seminar, she had seen how flat surfaces - leaves or skins - could generate high-resolution images, their pixels nothing more than single cells that emitted bioluminescence, like fireflies or ocean algae or deep-sea fish, on command.

From Sparrowhawk, by Thomas A. Easton.
Published by Ace Books in 1990
Additional resources -

Imagine being able to grow small displays, like cell phone screens, on plants. Now that's an organic light-emitting diode!

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Additional resources:
  More Ideas and Technology from Sparrowhawk
  More Ideas and Technology by Thomas A. Easton
  Tech news articles related to Sparrowhawk
  Tech news articles related to works by Thomas A. Easton

Leaf Screens-related news articles:
  - Solar Leaves - Electrochemical and Biological

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