Kukula kwa Ma OLED Displays

OLED (Organic Light-Emitting Diode) imatanthauza ma diode otulutsa kuwala kwachilengedwe, omwe amaimira chinthu chatsopano mu gawo la zowonetsera mafoni. Mosiyana ndi ukadaulo wachikhalidwe wa LCD, ukadaulo wowonetsera wa OLED sufuna kuwala kwakumbuyo. M'malo mwake, umagwiritsa ntchito zokutira zopyapyala kwambiri zachilengedwe ndi magalasi (kapena zosinthika zachilengedwe). Mphamvu yamagetsi ikagwiritsidwa ntchito, zinthu zachilengedwezi zimatulutsa kuwala. Kuphatikiza apo, zowonetsera za OLED zimatha kupangidwa kukhala zopepuka komanso zopyapyala, kupereka ma angles owonera ambiri, ndikuchepetsa kwambiri kugwiritsa ntchito mphamvu. OLED imatamandidwanso ngati ukadaulo wowonetsera wa m'badwo wachitatu. Zowonetsera za OLED sizongopyapyala, zopepuka, komanso zogwiritsa ntchito mphamvu zambiri komanso zimakhala ndi kuwala kwakukulu, kuwala kwapamwamba kwambiri, komanso kuthekera kowonetsa zakuda. Kuphatikiza apo, zimatha kupindika, monga momwe zimawonedwera m'ma TV amakono ndi mafoni anzeru. Masiku ano, opanga akuluakulu apadziko lonse lapansi akuthamanga kuti awonjezere ndalama za R&D muukadaulo wowonetsera wa OLED, zomwe zimapangitsa kuti ugwiritsidwe ntchito kwambiri pa ma TV, makompyuta (zowunikira), mafoni anzeru, mapiritsi, ndi zina. Mu Julayi 2022, Apple idalengeza mapulani oyambitsa zowonetsera za OLED pamndandanda wake wa iPad m'zaka zikubwerazi. Ma iPad a 2024 omwe akubwera adzakhala ndi ma OLED display panels atsopano, njira yomwe imapangitsa ma OLED kukhala opyapyala komanso opepuka.

Mfundo yogwirira ntchito ya ma OLED screens ndi yosiyana kwambiri ndi ya ma LCD. Ma OLED, omwe amayendetsedwa ndi mphamvu yamagetsi, amatulutsa kuwala kudzera mu jakisoni ndi kubwezeretsanso kwa ma charger carriers mu zinthu zachilengedwe za semiconductor ndi luminescent. Mwachidule, chophimba cha OLED chimapangidwa ndi mamiliyoni a "mababu" ang'onoang'ono.

Chipangizo cha OLED chimakhala ndi substrate, anode, hole injection layer (HIL), hole transport layer (HTL), electron blocking layer (EBL), emissive layer (EML), hole blocking layer (HBL), electron transport layer (ETL), electron injection layer (EIL), ndi cathode. Njira yopangira ukadaulo wa OLED display imafuna luso lapamwamba kwambiri, logawidwa kwambiri m'njira za front-end ndi back-end. Njira ya front-end makamaka imaphatikizapo njira za photolithography ndi evaporation, pomwe njira ya back-end imayang'ana kwambiri pa encapsulation ndi cutting technologies. Ngakhale kuti ukadaulo wapamwamba wa OLED umayendetsedwa kwambiri ndi Samsung ndi LG, opanga ambiri aku China akuwonjezeranso kafukufuku wawo pa OLED screens, ndikuwonjezera ndalama mu OLED displays. Zogulitsa za OLED display zaphatikizidwa kale muzopereka zawo. Ngakhale kuti pali kusiyana kwakukulu poyerekeza ndi makampani akuluakulu apadziko lonse lapansi, zinthuzi zafika pamlingo wogwiritsidwa ntchito.