Neon is extremely unreactive—the least reactive of any on the noble gases, in fact—and doesn’t form chemical bonds with other components, so there aren't any neon compounds. That non-reactivity is what makes neon so handy in gentle bulbs. Liquefied neon is commercially applied as being a cryogenic refrigerant in applications https://geschaftmega.de/die-emotionale-und-psychologische-wirkung-von-leuchtreklamen/