Kuunikira kwa LED kwakhala ukadaulo wodziwika bwino.Nyali za LED, zizindikiro zamagalimoto, ndi nyali zakutsogolo zili paliponse, ndipo mayiko akulimbikitsa kugwiritsa ntchito nyali za LED kuti zilowe m'malo mwa nyali za incandescent ndi fulorosenti m'nyumba zogona, zamalonda, ndi mafakitale zomwe zimagwiritsidwa ntchito ndi magetsi akuluakulu. Komabe, ngati kuyatsa kwa LED ndikusintha mababu a incandescent ngati maziko a gawo lowunikira, ukadaulo wa thyristor dimming LED udzakhala chinthu chofunikira kwambiri.
Kwa magwero a kuwala, dimming ndi njira yofunika kwambiri. Chifukwa sichimangopereka malo abwino owunikira, komanso kukwaniritsa kusunga mphamvu ndi kuchepetsa umuna. Ndi kukula kwachangu kwa msika wogwiritsa ntchito ma LED, kuchuluka kwa zinthu za LED kupitilira kukula.Zida za LEDiyenera kukwaniritsa zosowa zamitundu yosiyanasiyana yogwiritsira ntchito, chifukwa chake, ntchito yowongolera kuwala kwa LED ndiyofunikanso kwambiri.
Ngakhale palibe kuchepaNyali za LEDadakali ndi msika wawo. Komabe, kugwiritsa ntchito ukadaulo wa dimming wa LED sikungowonjezera kusiyanitsa, komanso kuchepetsa kugwiritsa ntchito mphamvu. Chifukwa chake, kukula kwaukadaulo wa dimming ya LED ndi njira yosapeŵeka. Ngati nyali ya LED ikufuna kupeza kuyatsa kocheperako, mphamvu yake iyenera kutulutsa mbali yosinthika kuchokera kwa wolamulira wa thyristor, kuti asinthe mosadukiza nthawi zonse zomwe zikuyenda ku LED. Ndizovuta kwambiri kukwaniritsa izi ndikusunga magwiridwe antchito a dimmer, zomwe nthawi zambiri zimabweretsa kusachita bwino. Kuwala ndi zovuta zowunikira mosiyanasiyana zimachitika.
Poyang'anizana ndi zovuta za dimming ya LED, mabizinesi akulu mumakampani akufufuza pang'onopang'ono ukadaulo wapamwamba wa LED ndi mayankho. Marvell, monga mtsogoleri wotsogola wa semiconductor wapadziko lonse lapansi, wakhazikitsa njira yake yochepetsera kuwala kwa LED. Dongosololi lakhazikitsidwa pa 88EM8183 ndipo lapangidwira ntchito zowunikira zowunikira za LED zapaintaneti, zomwe zimafikira kuya kwa 1%. Chifukwa cha makina ake apadera owongolera pano, 88EM8183 imatha kukwaniritsa kuwongolera kwakanthawi kotsatira pazolowera zosiyanasiyana za AC.