Currently hacking this. Just received my LED lights.
A lightboard is a glass pumped full of light. It’s for recording video lecture topics. You face toward your viewers, and your writing glows in front of you then flip the video.
Some call it a glass lighted video board? I’m not sure. I got 2 pieces of glass for free yesterday and found this video.
And his guide is here. https://sites.google.com/site/northwesternlightboard/home