• MALUNGA

Uhlalutyo lwexesha elizayo le-Quantum Dot TV Technology

Ngophuhliso lobuchwephesha bokuboniswa, ishishini le-TFT-LCD, eliye lalawula ishishini lokubonisa amashumi eminyaka, liye lacelwa umngeni kakhulu.I-OLED ingene kwimveliso yobuninzi kwaye yamkelwe ngokubanzi kwintsimi yee-smartphones.Itekhnoloji ekhulayo efana ne-MicroLED kunye ne-QDLED nazo zijikeleza ngokupheleleyo.Utshintsho kushishino lwe-TFT-LCD luye lwaba yinto engenakuguquleka Ngaphantsi kwe-OLED ephezulu-contrast (CR) kunye neempawu ze-gamut zemibala ebanzi, imboni ye-TFT-LCD igxile ekuphuculeni iimpawu ze-LCD yombala we-gamut kwaye yaphakamisa ingcamango "quantum". dot TV."Nangona kunjalo, oko kuthiwa "i-quantum-dot TVs" ayisebenzisi ii-QD ukubonisa ngokuthe ngqo ii-QDLED.Endaweni yoko, bongeza kuphela ifilimu ye-QD kwisibane esiqhelekileyo se-TFT-LCD.Umsebenzi wale filimu ye-QD kukuguqula inxalenye yokukhanya okuluhlaza okwesibhakabhaka okhutshwe yi-backlight ibe ngukukhanya okuluhlaza kunye nobomvu kunye nokusabalalisa kwe-wavelength encinci, elingana nomphumo ofanayo kunye ne-phosphor eqhelekileyo.

Ukukhanya okuluhlaza kunye nobomvu okuguqulwa yifilimu ye-QD kunokusabalalisa kwe-wavelength emxinwa kwaye kunokuhambelana kakuhle kunye ne-CF high light transmittance band ye-LCD, ukwenzela ukuba ilahleko yokukhanya ingancitshiswa kwaye ukukhanya okuthile kuphuculwe.Ukuqhubela phambili, ekubeni ukuhanjiswa kwe-wavelength kuncinci kakhulu, ukukhanya kwe-RGB ye-monochromatic kunye nokucoceka kombala ophezulu (i-saturation) inokuqondwa, ngoko umbala we-gamut unokuba mkhulu Ngoko ke, impumelelo yezobuchwepheshe ye "QD TV" ayiphazamisi.Ngenxa yokuqonda ukuguqulwa kwe-fluorescence kunye ne-bandwidth emxinwa ye-luminescent, i-phosphors eqhelekileyo nayo inokufezekiswa.Umzekelo, i-KSF: Mn yi-phosphor enexabiso eliphantsi, i-bandwidth-enomxinwa.Nangona i-KSF:Mn ijongene neengxaki zozinzo, uzinzo lwe-QD lubi kunolo lwe-KSF:Mn.

Ukufumana ifilimu ye-QD ethembekileyo akulula.Ngenxa yokuba i-QD ibonakaliswe kumanzi kunye ne-oksijini kwindawo esemoyeni, iyacima ngokukhawuleza kwaye ukusebenza kakuhle okukhanyayo kwehla kakhulu.Isisombululo sokukhusela amanzi kunye ne-oksijini yokukhusela ifilimu ye-QD, esamkelwa ngokubanzi ngoku, kukuxuba i-QD kwiglue kuqala, kwaye emva koko i-sandwich iglue phakathi kweengqimba ezimbini zeefilimu zeplastiki ezinobungqina bamanzi kunye ne-oxygen. yenza "sandwich" isakhiwo.Esi sisombululo sefilimu esincinci sinobunzima obuncinci kwaye sisondele kwi-BEF yasekuqaleni kunye nezinye iimpawu zefilimu ye-optical ye-backlight, eququzelela ukuveliswa kunye nokuhlanganisana.

Ngapha koko, i-QD, njengesixhobo esitsha esikhanyayo, inokusetyenziswa njengesixhobo sokuguqula i-photoluminescent fluorescent kwaye inokufakelwa umbane ngokuthe ngqo ukukhupha ukukhanya.Ukusetyenziswa kwendawo yokubonisa ingaphezulu kakhulu kunendlela yefilimu ye-QDNgokomzekelo, i-QD ingasetyenziswa kwi-MicroLED njengomaleko wokuguqula i-fluorescence ukuguqula ukukhanya okuluhlaza okwesibhakabhaka okanye ukukhanya kwe-violet ekhutshwe kwi-chip ye-ULED ibe yi-monochromatic light of other wavelengths.Kuba ubungakanani be-ULED busuka kwishumi elinesibini leemicrometer ukuya kumashumi aliqela eemicrometers, kwaye ubungakanani bamasuntswana aqhelekileyo ephosphor bubuncinci beshumi elinesibini lemicrometers, ubungakanani bamasuntswana ephosphor eqhelekileyo busondele kubungakanani betshiphu enye ye-ULED. kwaye ayinakusetyenziswa njengokuguqulwa kwe-fluorescence ye-MicroLED.impahla.I-QD lolona khetho lodwa lwezinto zokuguqula umbala wefluorescent ngoku ezisetyenziselwa ukufaka imibala kwiiMicroLED.

Ukongeza, i-CF kwiseli yeLCD ngokwayo isebenza njengesihluzi kwaye isebenzisa izinto ezifunxa ukukhanya.Ukuba i-original light-absorbing material itshintshwe ngokuthe ngqo nge-QD, i-self-light-luminous QD-CF LCD iseli inokuphunyezwa, kunye nokusebenza kakuhle kwe-TFT-LCD kunokuphuculwa kakhulu ngelixa kufezekisa umbala obanzi we-gamut.

Isishwankathelo, amachaphaza e-quantum (QDs) anethemba elibanzi kakhulu lesicelo kwindawo yokubonisa.Okwangoku, into ebizwa ngokuba yi "quantum-dot TV" yongeza ifilimu ye-QD kumthombo oqhelekileyo we-TFT-LCD we-backlight, ophucula kuphela ii-TV ze-LCD kwaye azizange zisebenzise ngokupheleleyo iinzuzo ze-QD.Ngokwesimo sezulu seziko lophando, itekhnoloji yokubonisa i-gamut yombala okhanyayo iya kwenza imeko apho amabakala aphezulu, aphakathi kunye naphantsi kunye neentlobo ezintathu zezisombululo ziya kuhlala kunye kwiminyaka ezayo.Kwiimveliso zebanga eliphakathi kunye neliphantsi, i-phosphors kunye nefilimu ye-QD yenza ubudlelwane obukhuphisanayo.Kwiimveliso eziphezulu, i-QD-CF LCD, i-MicroLED kunye ne-QDLED iya kukhuphisana ne-OLED.