This 11-minute video on the neon craftsmen of Hong Kong has a lot to recommend it; for instance, how to bend Chinese ideograms so as not to burn your hands. I visited Hong Kong a couple years ago, and the neons signs are over the top.
I was reminded of this recently when I was in Philadelphia. We had dinner in Chinatown, which had several excellent multicolor signs. But also, I was inside the Center for Architecture, whose walls are adorned with some fine animated signs, like this excellent sign for Greyhound: