Shin LED Emitting Farin Haske

Kamar yadda kowa ya sani, tsawon zangon bakan haske da ake iya gani shine 380nm ~ 760nm, wanda shine launuka bakwai na haske waɗanda idanuwan ɗan adam ke iya ji - ja, orange, yellow, green, green, blue da purple. Koyaya, launuka bakwai na haske duk monochromatic ne.

Misali, tsayin tsayin jan haske da LED ke fitarwa shine 565nm. Babu wani farin haske a cikin bakan na hasken da ake iya gani, domin farin haske ba haske ba ne, amma haske ne wanda ya hada da nau'ikan fitilun monochromatic, kamar yadda hasken rana farin haske ne wanda ya hada da fitilolin monochromatic guda bakwai, yayin da farin haske mai launi TV. kuma ya ƙunshi kala uku na firamare ja, kore da shuɗi.

Ana iya ganin cewa don yin LED yana fitar da farin haske, halayensa na bakan ya kamata su rufe dukkan kewayon da ake gani. Duk da haka, ba shi yiwuwa a kera irin wannan LED a ƙarƙashin yanayin fasaha. Bisa binciken da mutane suka yi kan hasken da ake iya gani, farin haske da idon dan Adam ke gani yana bukatar akalla cakude nau’ukan haske guda biyu, wato, haske mai tsawon zango biyu (Blue Light+Yellow Light) ko haske uku (blue light+green light+ja). haske). Farin haske na waɗannan hanyoyi guda biyu na sama yana buƙatar haske mai launin shuɗi, don haka ɗaukar haske mai launin shuɗi ya zama fasaha mai mahimmanci don kera farin haske, wato, "fasaha mai haske" wanda manyan kamfanonin kera LED ke bi. Akwai 'yan masana'antun da suka ƙware a cikin "fasaha na haske blue" a duniya, don haka gabatarwa da aikace-aikacen farin LED, musamman haɓaka babban haske mai haske a cikin Sin har yanzu yana da tsari.