Hasken LED ya bambanta da incandescent da mai kyalli ta hanyoyi da yawa. Lokacin da aka tsara shi da kyau, hasken LED yana da inganci, mai yawa, kuma yana daɗe.
LEDs sune tushen hasken “direction”, wanda ke nufin suna fitar da haske a wani takamaiman al'amari, sabanin incandescent da CFL, waɗanda ke fitar da haske da zafi ta kowane bangare. Wannan yana nufin LEDs suna iya yin amfani da haske da ƙarfi sosai a cikin aikace-aikace da yawa. Duk da haka, yana nufin cewa ana buƙatar injiniyoyi na zamani don samar da kwan fitilar LED wanda ke haskaka haske ta kowace hanya.
Launuka LED gama gari sun haɗa da amber, ja, kore, da shuɗi. Don samar da farin haske, ana haɗa LEDs masu launi daban-daban ko an rufe su da kayan phosphor wanda ke canza launin hasken zuwa hasken "fararen" da aka saba amfani dashi a cikin gidaje. Phosphor abu ne mai launin rawaya wanda ke rufe wasu LEDs. Ana amfani da LED masu launi sosai azaman fitilun sigina da fitilun nuni, kamar maɓallin wuta akan kwamfuta.
A cikin CFL, wutar lantarki tana gudana tsakanin wayoyin lantarki a kowane ƙarshen bututu mai ɗauke da iskar gas. Wannan halayen yana haifar da hasken ultraviolet (UV) da zafi. Hasken UV yana jujjuya shi zuwa haske mai gani lokacin da ya bugi murfin phosphor a cikin kwan fitila.
Filayen fitilu suna samar da haske ta amfani da wutar lantarki don dumama filament na ƙarfe har sai ya zama "fararen" zafi ko kuma an ce ya mutu. A sakamakon haka, kwararan fitila na fitar da kashi 90% na kuzarinsu a matsayin zafi.
Lokacin aikawa: Afrilu-19-2021