Cibiyar Nazarin Kimiyya ta kasar Sin ta ƙera farin LED mai dumi mai ɗaki ɗaya
Kwanan nan, Yang Bin, masanin bincike na hadadden tsarin kwayoyin halitta, kungiyar bincike ta Dalian Institute of Chemical Physics, ya yi hadin gwiwa tare da Liu Feng, mai bincike na Jami'ar Shandong, don samar da sabon nau'in nau'in perovskite biyu tare da ingantaccen haske mai haske. kuma ya shirya wani bangare guda ɗaya bisa wannan kayan.Dumi farin haske emitting diodes (LED).
Hasken wutar lantarki shine kashi 15% na yawan wutar lantarki a duniya kuma yana fitar da kashi 5% na iskar gas a duniya.Amincewa da fasahar haske mai inganci da rahusa na iya rage kuzari da rikice-rikicen muhalli da taimakawa cimma burin "carbon biyu".Yana da kyau gaallon jagora mai sassauci.A halin yanzu, yawancin fasahar hasken haske na LED galibi suna dogara ne da LEDs masu haske mai shuɗi don faranta ran ɗimbin bangarori masu kyalli don samar da farin haske, don haka matsaloli kamar ma'anar launi mara kyau, ƙarancin haske mai haske, manyan abubuwan hasken shuɗi mai cutarwa, da ƙarancin haske mai haske. mai saurin faruwa.Haɓaka ingantaccen kayan aikin farin haske mai ƙarfi guda ɗaya ana ɗaukar su azaman mabuɗin warware matsalolin da ke sama.
Masu binciken sun gano cewa za'a iya shirya kayan aikin ƙarfe maras gubar halide biyu perovskite a cikin hanyar maganin ƙarancin zafin jiki tare da ƙarancin samarwa.Bugu da ƙari, saboda ƙayyadadden tsarin nasa da kuma tasiri mai ƙarfi na lantarki-phonon mai ƙarfi, kayan aikin perovskite biyu suna da kaddarorin masu tayar da hankali na musamman (STE), kuma luminescence ɗinsu na haɗin gwiwar yana nuna babban motsi na Stokes da watsawar haske, don haka yana nunawa. Halayen fitar farin haske.
Don haɓaka haɓakawar haɓakar radiyo, masu binciken sun ƙara yin amfani da dabarun Sb3+ don ƙara yawan ƙimar farin haske daga 5% zuwa fiye da 90%.Saboda high optoelectronic yi da kuma kyakkyawan bayani machinability na tattalin low-dimensional biyu perovskite abu, guda-bangaren dumi farin LED dangane da wannan abu za a iya shirya ta hanyar sauki bayani hanya, don haka, wannan aikin yana da alƙawarin ga na gaba-tsara. na'urorin hasken wuta.Zane yana ba da sababbin ra'ayoyi.
Fuskantar ikon mallakar allo na nadawa ta Apple, murƙushe allo na iya zama mai gyara kai
Jita-jitar cewa Apple na shirin shiga kasuwar nada kayan masarufi na ci gaba da jan hankalin kasashen waje a shekarun baya-bayan nan, kuma Samsung, wanda ke da matsayi wajen nade wayoyin hannu, bai yi watsi da shi ba.A farkon watan Nuwamba, Samsung ya kiyasta a taron masu samar da kayayyaki cewa ana sa ran zai kasance a farkon 2024, kuma za a iya samun damar ganin sabon samfurin Apple na farko tare da ƙirar "naɗewa", amma samfurin nadawa na farko ba. waya, amma kwamfutar hannu ko kwamfutar tafi-da-gidanka.
A cewar sabon rahoto daga kafofin watsa labaru na kasashen waje Patently Apple, kwanan nan Apple ya shigar da takardar neman takarda tare da Ofishin Patent and Trademark na Amurka, wanda ke nuna cewa fasahar nunin allo na warkar da kai wanda aka ƙera shekaru da yawa ana sa ran za a yi amfani da shi don nadawa. -na'urori masu alaƙa.
Duk da cewa abubuwan da ke cikin fasahar keɓancewa ba su faɗi takamaiman cewa an haife ta ne don nada iPhones ba, amma kawai yana nuna cewa ana iya amfani da shi akan iPhones, Allunan ko MacBooks.Duk da haka, tare da fallasa wannan sabon fasaha ta lamban kira, mafi yawan waje duniya fassara shi a matsayin gaba shiri na nadawa iPhone da za a kaddamar a nan gaba.
Bisa la'akari da fasahar zamani a wannan mataki, yana da wuya a guje wa ƙugiya don wayar hannu mai nadewa tare da zane mai ninkewa na tsawon lokaci na amfani.
Don haɓaka ƙwarewar mai amfani da la'akari da kyawawan abubuwan da ke haifar da creases da na'urorin nadawa ke haifarwa, fasahar baƙar fata da Apple ta ƙera da kanta ta yi kira ga yin amfani da fasahar sutura tare da na'urori na musamman da kayan warkarwa, waɗanda za a iya amfani da su don rufe murfin waje. na nunin na'urar.Lokacin da halin yanzu ke wucewa A lokaci guda, ta hanyar yin amfani da haske ko zafin jiki mai zafi daga yanayin waje, ana inganta tasirin warkar da kai na haɓakar haɓaka.
Har yanzu ba a san lokacin da wannan fasaha ta musamman da za a yi amfani da ita a kan na'urorin Apple da wuri-wuri bayan ta sami tantancewa da takaddun shaida a nan gaba.Duk da haka, yin hukunci daga bayanin fasaha na fasaha, fasaha ya ƙunshi matakai masu yawa kuma yana da rikitarwa.Yana da kyau gam LED allon.Bugu da kari, wannan lamban kira da Apple ya jera a matsayin wani sabon samfurin fasaha kungiyar na musamman ayyuka, wanda ya nuna cewa Apple yana ba shi muhimmanci.
Mini/Micro LED sabon kayan fasaha
An fahimci cewa taron 2022 Phosphors & Quantum Dots Forum an gudanar da shi a San Francisco, Amurka a karshen watan da ya gabata.A lokacin, na musamman kayan kamfanin na Yanzu, LED shuka lighting manufacturer, kaddamar da wani sabon nuni kayan - phosphor film, da kuma nuna wani Mini LED backlight nuni sanye take da wani sabon phosphor fim.
Chemicals na yanzu yana ɗaukar TriGain ™ KSF/PFS ja phosphor na yanzu da sabon JADEluxe ™ kunkuntar band koren phosphor a cikin fim ɗin phosphor, kuma yana haɗin gwiwa tare da Innolux don kera MiniLED LCD bangarorin hasken baya.Nunin hasken baya na Mini LED wanda aka nuna a wannan lokacin yana da halayen babban bambanci da gamut mai launi mai faɗi, kuma a halin yanzu yana kan kasuwa.
Dangane da bayanan, Chemicals na yanzu yana da fiye da shekaru 70 na bincike da ƙwarewar haɓakawa a fagen phosphor na LED, mahaɗan ƙasa da ba kasafai ba da sauran phosphor da ingantaccen kayan haɓaka kayan haɓaka.Idan aka kwatanta da daidaitaccen KSF phosphor, TriGain ™ KSF/PFS jan phosphor na mallakarsa yana da ƙarfin ɗaukar ƙarfi da ingantaccen aminci, wanda ke taimakawa samfuran hasken wuta na CRI 90 da nunin hasken baya na LED don cimma wadataccen ja mai haske.
Chemicals na yanzu sun yi imanin cewa sabon fim ɗin phosphor wanda ya haɗa TriGain ™ KSF/PFS ja phosphor da JADEluxe ™ kunkuntar band kore phosphor zai taka muhimmiyar rawa a fagen Mini / Micro LED nuni.
Lokacin aikawa: Dec-09-2022