[rootusrootus]

I thought there was some people building things similar to this (not as bright) and they were using lenses from the front of LCD TVs. But I may be remembering the details wrong.

[erentz]

This same guy has a video doing just that somewhere in his history. It's not nearly as bright though which is the big difference.

[filleokus]

Now when you mention it, I realised that the guy in TFV have actually done something like that: https://www.youtube.com/watch?v=8JrqH2oOTK4