Neon is highly unreactive—the least reactive of any in the noble gases, in actual fact—and doesn’t form chemical bonds with other elements, so there are no neon compounds. That non-reactivity is exactly what makes neon so helpful in gentle bulbs. Aluminium gallium nitride (AlGaN) of varying Al/Ga fraction can be https://focusz.de/beleuchten-sie-ihren-raum-die-geschichte-und-kunstfertigkeit-der-leuchtreklamen/