I have been distracted today by an idea to make a globe (any size) out of RGB led’s which would be addressable by lat/lon coordinates. I found a story about these guys who built a single 40 led ring which rotates – at a certain frame rate – with 200 addressable positions – ie., 40×200.
by Solderlab
http://www.solderlab.de/index.php/led-projects/rgb-globe
Here’s an example of spherical projection mapping
by Hrvoje Benko at Microsoft Research
A patent application for a spherical electronic LCD display.
By Robin Dziama
http://www.google.com/patents/US20110199286
