Dukkanmu muna da irin wannan kwarewar rayuwa. Sabbin sayeLED fitilukoyaushe suna da haske sosai, amma bayan ɗan lokaci, yawancin fitilu za su yi duhu da duhu. Me yasa fitilu LED ke da irin wannan tsari?

Mu kai ku kasa yau! Don fahimtar dalilin da yasa fitilun LED na gidan ku ke samun dimmer, muna buƙatar fahimtar kalmar ƙwararru - lalata hasken LED.

Yawan amfani da fitilun LED, duhun su ne saboda hasken LED zai sami lalacewa.

Haske attenuation naLED fitilasamfurori shine siginar rauni na haske a watsawa. A halin yanzu, da haske attenuation digiri naLED samfuroriwanda manyan masana'antun LED suka yi a duniya ya bambanta. Babban jagoran wutar lantarki shima yana da haɓakar haske, wanda ke da alaƙa kai tsaye da zafin jiki, galibi an ƙaddara ta guntu, phosphor da fasahar marufi. A halin yanzu, lalacewar haske na farin LED a kasuwa yana daya daga cikin matsalolin da suka fi dacewa wajen bunkasa hasken wutar lantarki.

Rushewar haske gabaɗaya yana nufin fitowar haskensa. Lokacin da ake caji saman drum na hotuna, tare da tarin cajin akan saman drum na hotuna, yuwuwar yana ƙaruwa gabaɗaya, kuma a ƙarshe ya kai ga yuwuwar "saturation", 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 kiranta "lalacewar haske".