2. It sort of works like a lightning bug in a jar
The lights these insects generate is caused by something called bioluminescence, which is the phenomenon of an animal producing light with its body. The difference with OLED is that what creates this glow are organic compounds and not entire organisms; in OLED, it’s called electroluminescence.
3. ...France helped invent it
Yes, in what seems like a mean parody of effete Frenchness, a dude named André observed electroluminescence at, wait for it, Nancy-Université, way back in the early '50s. How is this amazing? Uh, because the French invented something not delicious pastry-related?