Na dogon lokaci aikiLEDzai haifar da tsufa, musamman ga babban ikoLED, matsalar lalacewar haske ta fi tsanani. Lokacin auna rayuwar LED, bai isa ba don ɗaukar lalacewar haske azaman ƙarshen nunin rayuwar LED. Yana da ma'ana mafi mahimmanci don ayyana rayuwar jagoranci ta hanyar ƙimar ƙarancin haske na LED, kamar 5% ko 10%.

Lalacewar haske: lokacin da ake caji saman drum na hotuna, tare da tarin caji akan saman drum na hotuna, yuwuwar kuma yana ƙaruwa, kuma a ƙarshe ya kai ga yuwuwar “jikewa”, wanda shine mafi girman yuwuwar. Ƙimar sararin samaniya zai ragu tare da wucewar lokaci. Gabaɗaya, ƙarfin aiki yana ƙasa da wannan yuwuwar. Tsarin da yuwuwar ke raguwa da lokaci ana kiranta tsarin “lalacewar duhu”. Lokacin da aka nazartar drum na hotuna da kuma fallasa, yuwuwar yanayin duhu (fuskar na'urar daukar hoto wanda ba a haskaka shi ta hanyar haske) yana cikin lalacewa mai duhu; A cikin yanki mai haske (fuskar na'urar daukar hoto ta hanyar haske), nauyin mai ɗaukar hoto yana ƙaruwa da sauri, ƙarfin aiki yana ƙaruwa da sauri, kuma wutar lantarki na photoconductive yana samuwa, cajin yana ɓacewa da sauri, da kuma damar da za a iya amfani da shi na photoconductor shima. yana raguwa da sauri. Ana kiransa "raguwar haske" kuma yana raguwa a ƙarshe.