Utudomo twa Quantum hamwe na encapsulation
Nibintu bishya bya nano, utudomo twa kwant (QDs) dufite imikorere idasanzwe bitewe nubunini bwayo.Imiterere yibi bikoresho ni serefegitire cyangwa quasi-spherical, kandi diameter yacyo iri hagati ya 2nm na 20nm.QDs ifite ibyiza byinshi, nkibyishimo byinshi, ibyuka bihumanya ikirere, ingendo nini ya Stoke, ubuzima burebure bwa fluorescent hamwe na biocompatibilité nziza, cyane cyane ibyuka bihumanya bya QDs bishobora gukwirakwiza urumuri rwose rugaragara binyuze mu guhindura ubunini bwarwo.
Mubikoresho bitandukanye bya QDs luminescent, Ⅱ ~ Ⅵ QDs zirimo CdSe zashyizwe mubikorwa byinshi bitewe niterambere ryihuse.Ubugari bwa kimwe cya kabiri cyubugari bwa Ⅱ ~ Ⅵ QDs buva kuri 30nm kugeza kuri 50nm, bushobora kuba munsi ya 30nm mugihe gikwiye cya synthesis, kandi umusaruro wa kwantine fluorescence hafi ya 100%.Ariko, kuba Cd yagabanije iterambere rya QDs.Ⅲ ~ Ⅴ QDs idafite Cd yateye imbere cyane, umusaruro wa fluorescence kwant yibi bikoresho ni 70%.Ubugari bwa kimwe cya kabiri cyurumuri rwicyatsi InP / ZnS ni 40 ~ 50 nm, naho itara ritukura InP / ZnS ni 55 nm.Umutungo wibi bikoresho ugomba kunozwa.Vuba aha, ABX3 perovskites idakeneye gupfukirana igikonoshwa cyakuruye abantu benshi.Uburebure bw’imyuka yabyo irashobora guhinduka mumucyo ugaragara byoroshye.Umusemburo wa fluorescence wa perovskite urenze 90%, naho ubugari bwa kimwe cya kabiri ni 15nm.Kubera ibara ryibara ryibikoresho bya QDs luminescent irashobora kugera kuri 140% NTSC, ubu bwoko bwibikoresho bufite porogaramu zikomeye mubikoresho bya luminescent.Porogaramu nyamukuru yarimo harimo aho kuba fosifori yisi idasanzwe yohereza amatara afite amabara menshi no kumurika muri electrode yoroheje.
QDs yerekana ibara ryuzuye ryurumuri bitewe nibi bikoresho birashobora kubona umurongo hamwe nuburebure ubwo aribwo bwose mu muriro, igice cyubugari bwuburebure buri munsi ya 20nm.QDs ifite ibintu byinshi biranga, birimo ibara risohora amabara, imyuka ihumanya ikirere, umusaruro mwinshi wa fluorescence.Birashobora gukoreshwa mugutezimbere urumuri rwinyuma rwa LCD no kunoza ibara ryerekana imbaraga na gamut ya LCD.
Uburyo bwa Encapsulation ya QDs nuburyo bukurikira:
1） Kuri-chip powder ifu ya fluorescent isanzwe isimburwa nibikoresho bya QDs luminescent, nuburyo bukuru bwo gukwirakwiza QDs mumurima.Ibyiza byibi kuri chip ni bike mubintu, kandi ibibi nibikoresho bigomba kugira ituze ryinshi.
2） Ku buso ： imiterere ikoreshwa cyane mumuri inyuma.Filime optique ikozwe muri QD, iri hejuru ya LGP muri BLU.Nyamara, igiciro kinini cyahantu hanini ya optique ya firime yagabanije gukoresha ubu buryo.
3） Kuruhande: ibikoresho bya QDs bikubiyemo gukuramo, kandi bigashyirwa kuruhande rwa LED na LGP.Ubu buryo bwagabanije ingaruka ziterwa nimirasire yumuriro na optique iterwa nubururu bwa LED na QDs luminescent.Byongeye kandi, gukoresha ibikoresho bya QDs nabyo biragabanuka.
