LED wani nau'i ne na semiconductor wanda ke fitar da haske lokacin da kake ba shi dan wuta.Hanyar samar da haskensa kusan fitila mai kyalli da fitilar fitar da iskar gas.LED ba shi da filament, kuma haskensa ba ya haifar da dumama filament, wato, ba ya samar da haske ta hanyar barin wutar lantarki ta gudana ta cikin tashoshi biyu.LED yana fitar da igiyoyin lantarki na lantarki (yawan jijjiga mai yawan gaske), lokacin da waɗannan igiyoyin suka kai sama da 380nm kuma ƙasa da 780nm, tsayin daka a tsakiyar haske ne da ake iya gani, haske mai gani wanda idanuwan ɗan adam ke iya gani.

Hakanan za'a iya raba diodes masu fitar da haske zuwa diodes masu fitar da haske na monochrome na yau da kullun, diodes masu fitar da haske mai haske, diodes masu fitar da haske mai tsananin haske, diodes mai canza launi, diodes mai walƙiya haske, sarrafa wutar lantarki. diodes masu fitar da haske, diodes masu fitar da hasken infrared da kuma diodes masu fitar da haske mara kyau.

aikace-aikace:

1. AC ikon nuna alama

Matukar an haɗa kewaye da layin samar da wutar lantarki na AC 220V/50Hz, za a kunna LED ɗin, wanda ke nuna cewa wutar tana kunne.Ƙimar juriyar juriya mai iyakancewa R shine 220V/IF.

2. AC canza alamar haske

Yi amfani da LED azaman kewayawa don fitilun fitilun hasken wuta.Lokacin da aka katse wutar lantarki kuma kwan fitilar ta fita, na'urar tana samar da madauki ta hanyar R, LED da kwan fitila EL, kuma LED ɗin yana haskakawa, wanda ya dace da mutane don gano maɓallin a cikin duhu.A wannan lokacin, halin yanzu a cikin madauki yana da ƙananan ƙananan, kuma kwan fitila ba zai haskaka ba.Lokacin da aka kunna, ana kunna kwan fitila kuma a kashe LED.

3. AC ikon soket nuna alama haske

Da'irar da ke amfani da LED mai launi biyu (cathode na kowa) azaman haske mai nuni ga fitin AC.Ana sarrafa wutar lantarki zuwa soket ta hanyar sauyawa S. Lokacin da jajayen LED ke kunne, soket ba shi da iko;lokacin da koren LED yana kunne, soket yana da iko.