OLED ndi chidule cha Organic Light Emitting Diode, kutanthauza "Organic Light Emitting display technology" mu Chitchaina.OLED ndi kupanga organic light-emitting material makumi a nanometers wandiweyani pa indium tin oxide (ITO) galasi ngati kuwala-emitting layer.Pamwamba pa kuwala-emitting wosanjikiza ndi wosanjikiza zitsulo maelekitirodi ndi ntchito yochepa ntchito, kupanga dongosolo ngati sangweji.
ukadaulo wapamwamba wa OLED chiwonetsero
Gawo laling'ono (pulasitiki yowonekera, galasi, zojambulazo) - Gawoli limagwiritsidwa ntchito kuthandizira OLED yonse.
Anode (TRANSPARENT) - Anode amachotsa ma electron (amawonjezera "mabowo" a electron) pamene panopa ikuyenda kupyolera mu chipangizocho.
Hole transport layer - Gawoli limapangidwa ndi mamolekyu achilengedwe omwe amanyamula "mabowo" kuchokera ku anode.
Luminescent wosanjikiza - Chigawochi chimapangidwa ndi mamolekyu achilengedwe (mosiyana ndi zigawo zoyendetsera) pomwe njira ya luminescence imachitika.
Electron transport layer - Gawoli limapangidwa ndi mamolekyu achilengedwe omwe amanyamula ma elekitironi kuchokera ku cathode.
Ma cathodes (omwe angakhale owonekera kapena opaque, malingana ndi mtundu wa OLED) - Pamene panopa ikuyenda kupyolera mu chipangizocho, ma cathodes amalowetsa ma electron mu dera.
Njira ya luminescence ya OLED nthawi zambiri imakhala ndi magawo asanu otsatirawa:
① Jakisoni Wonyamula: Pansi pa gawo lamagetsi lakunja, ma elekitironi ndi mabowo amabayidwa mu gawo la organic lomwe limapangidwa pakati pa maelekitirodi kuchokera ku cathode ndi anode, motsatana.
② Zonyamulira zonyamula: ma elekitironi olowetsedwa ndi mabowo amasuntha kuchokera pagawo loyendera ma elekitironi ndi kusanjikiza dzenje kupita kugawo la luminescent, motsatana.
③ Kuphatikizikanso kwa chonyamulira: ma electron ndi mabowo akabayidwa munsanjika ya luminescent, amamangidwa pamodzi kuti apange ma electron mabowo awiriawiri, ndiye kuti, excitons, chifukwa cha mphamvu ya Coulomb.
④ Kusamuka kwa Exciton: Chifukwa cha kusalinganika kwa mayendedwe a ma elekitironi ndi mabowo, chigawo chachikulu chopangira ma exciton nthawi zambiri sichimaphimba gawo lonse la luminescence, chifukwa chake kusamuka kudzachitika chifukwa cha ndende.
⑤ Exciton radiation imachepetsa ma photon: Kusintha kwa radiation kwa exciton komwe kumatulutsa ma photon ndikutulutsa mphamvu.
Nthawi yotumiza: Aug-11-2022
