Some handy tips and results in the Adafruit customer forums on making an edge-lit acrylic sign. Looks like LED tape is the way to go!
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Could also be used to edge-light multi-touch screens that use infrared FTIR (frustrated total internal reflection)?
Comment by . — September 22, 2009 @ 9:15 am
Yes, LED tape is awesome. For the “Crystal Monster” piece I worked on recently (http://sublimina.com/work ), we used about 70 meters of RGB LED tape.
Comment by Tod E. Kurt — September 22, 2009 @ 11:14 am