While the first major commercial application for the metal was for dental alloys, today indium is used chiefly for thin-film coatings in electro-luminescent lamps and liquid-crystal displays.

• 鉴于其多元性被广泛应于各种最终用途,铟主要作为包复层或与其它金属制成合金，以增强耐腐蚀性；铟有优良的反射性，可用来制造反射镜；