Joalokaha bohle re tseba, li-ultraviolet light-emitting diode ke li-semiconductors tse ntšang khanya ka bolelele bo itseng ba maqhubu ha khanya e feta ho tsona. Li-LED li tsejoa e le lisebelisoa tsa boemo bo tiileng. Likhamphani tse ngata li etsa li-chips tsa LED tse thehiloeng ho UV bakeng sa lits'ebetso tsa indasteri,
lisebelisoa tsa bongaka
, lisebelisoa tsa ho thibela likokoana-hloko le tse bolaeang likokoana-hloko, lisebelisoa tsa ho netefatsa litokomane, le tse ling. Ke ka lebaka la substrate ea bona le thepa e sebetsang. E etsa hore li-LED li be pepeneneng, li fumanehe ka theko e tlase, li lokisa motlakase, 'me li fokotsa matla a hlahisoang ke khanya bakeng sa tšebeliso e nepahetseng.