The main uses of dysprosium are:

(1) As an additive for neodymium iron boron permanent magnets, adding about 2-3% dysprosium to this type of magnet can improve its coercivity. In the past, the demand for dysprosium was not high, but with the increasing demand for neodymium iron boron magnets, it became a necessary additive element, with a grade of 95-99. Around 9%, demand is also rapidly increasing.

(2) Dysprosium is used as an activator for phosphors, and trivalent dysprosium is a promising activating ion for a single luminescent center based tricolor luminescent material. It mainly consists of two emission bands, one emitting yellow light and the other emitting blue light. Dysprosium doped luminescent materials can be used as tricolor phosphors.

(3) Dysprosium is a necessary metal raw material for preparing large magnetostrictive alloy Terfenol, which can enable precise mechanical movements to be achieved.

(4) Dysprosium metal can be used as a magneto-optical storage material, with high recording speed and reading sensitivity.

(5) Used for the preparation of dysprosium lamps, the working substance used in dysprosium lamps is dysprosium iodide. This type of lamp has advantages such as high brightness, good color, high color temperature, small volume, and stable arc. It has been used as a lighting source in movies, printing, and other fields.