Thulium oxide is a rare earth metal oxide that has a variety of uses, mainly including: light-emitting materials. Thulium oxide can be used to manufacture light-emitting materials such as phosphors, leds and phosphorescent, which are widely used in applications such as displays, lighting and fluorescent signage. Catalyst. In chemical reactions, thulium oxide can be used as a catalyst to promote reaction speed and efficiency. Electronics industry and scientific research. Thulium oxide is also used in the production of laser agents, electronics industry, scientific research, metal alloys, Ndfeb permanent magnet materials, chemical additives and so on.Manufacture of portable X-ray transmission devices. In addition, thulium oxide is used in the production of control materials for reactors and as a phosphor activator. These applications demonstrate the importance of thulium oxide in multiple fields, from the optical and electronics industries to medical and scientific research.