Saboda ƙarancin makamashi na duniya da gurɓataccen muhalli, nunin LED yana da sararin aikace-aikacen sararin samaniya saboda halayensa na ceton makamashi da kariyar muhalli. A fagen haske, aikace-aikacenLED fitilu kayayyakinyana jan hankalin duniya. Gabaɗaya magana, kwanciyar hankali da ingancin fitilun LED suna da alaƙa da zubar da zafi na jikin fitilar da kanta. A halin yanzu, zafi mai zafi na manyan fitilun LED masu haske a kasuwa sau da yawa suna ɗaukar yanayin zafi na yanayi, kuma tasirin bai dace ba.LED fitiluwanda aka yi ta hanyar hasken hasken LED sun ƙunshi LED, tsarin lalata zafi, direba da ruwan tabarau. Sabili da haka, zubar da zafi shima muhimmin bangare ne. Idan LED ba zai iya zafi da kyau ba, rayuwar sabis ɗin kuma za ta shafi.
Gudanar da zafi shine babban matsala a cikin aikace-aikacenhigh haske LED
Saboda p-type doping na rukuni na III nitrides yana iyakance ne ta hanyar solubility na masu karɓar Mg da kuma ƙarfin farawa mai yawa na ramuka, zafi yana da sauƙi don samar da shi a cikin nau'in p-type, kuma dole ne a watsar da wannan zafi a kan ramin zafi. ta hanyar dukan tsari; Hanyoyin watsar da zafi na na'urorin LED sun fi dacewa da zafi da zafi; Matsakaicin ƙarancin ƙarancin zafi na kayan sapphire yana haifar da haɓaka juriya na na'urar, yana haifar da mummunan tasirin dumama kai, wanda ke da mummunar tasiri akan aiki da amincin na'urar.
Tasirin zafi akan babban haske LED
Zafin yana mai da hankali a cikin ƙananan guntu, kuma zafin jiki na guntu yana ƙaruwa, yana haifar da rarrabawar rashin daidaituwa na damuwa na thermal da kuma raguwar ƙarfin wutar lantarki da phosphor lasing yadda ya dace; Lokacin da zafin jiki ya wuce ƙayyadaddun ƙima, ƙimar gazawar na'urar tana ƙaruwa sosai. Bayanai na kididdiga sun nuna cewa amincin yana raguwa da kashi 10 cikin ɗari kowane 2 ℃ ya tashi a yanayin zafin jiki. Lokacin da aka tsara manyan LEDs masu yawa don samar da tsarin hasken haske, matsalar ɓarkewar zafi ta fi tsanani. Magance matsalar kula da zafi ya zama abin da ake buƙata don aikace-aikacen LED mai haske.
Dangantaka tsakanin girman guntu da zubar da zafi
Hanya mafi kai tsaye don inganta hasken wutar lantarki nunin nunin LED shine ƙara ƙarfin shigarwa, kuma don hana jikewar Layer mai aiki, dole ne a ƙara girman pn junction daidai da haka; Ƙara ƙarfin shigarwar ba makawa zai ƙara yawan zafin mahaɗin kuma ya rage ƙarfin ƙididdigewa. Inganta ƙarfin transistor guda ɗaya ya dogara da ikon na'urar don fitar da zafi daga mahadar pn. A ƙarƙashin sharuɗɗan kiyaye kayan guntu na yanzu, tsari, tsarin marufi, ƙarancin halin yanzu akan guntu da kwatankwacin zafi, ƙara girman guntu shi kaɗai zai ƙara yawan zafin jiki.
Lokacin aikawa: Janairu-05-2022