An san LED a matsayin ƙarni na huɗu na tushen hasken wuta ko tushen hasken kore, tare da halaye na ceton makamashi, kariyar muhalli, tsawon rayuwa, ƙaramin girman da sauransu. Ana amfani da shi sosai a fannoni daban-daban kamar nuni, nuni, ado, hasken baya, hasken gabaɗaya da yanayin dare na birni. Dangane da ayyuka daban-daban, ana iya raba shi zuwa rukuni biyar: nunin bayanai, fitilar sigina, fitilun abin hawa, hasken baya na LCD da hasken gabaɗaya.

Na al'adaLED fitilayana da wasu lahani kamar rashin isasshen haske, wanda ke haifar da rashin isasshen shahara. Ikon LED yana da fa'idodin isasshen haske da tsawon rayuwar sabis, amma LED ɗin wutar yana da matsalolin fasaha na marufi. Mai zuwa shine taƙaitaccen bincike na abubuwan da suka shafi ingancin hasken wutar lantarki na fakitin LED:

1.Fasahar watsawa zafi

2.Zaɓin filler

3.Tsarin tunani

4.Phosphor zaɓi da shafi