Nyocha ọdịnihu nke teknụzụ Quantum Dot TV
Site na mmepe nke teknụzụ ngosi, ụlọ ọrụ TFT-LCD, nke na-achịkwa ụlọ ọrụ ngosi ruo ọtụtụ iri afọ, enweela nnukwu nsogbu.OLED abanyela n'ichepụta oke ma bụrụkwa nke a nakweere n'ọhịa nke smartphones.Teknụzụ na-apụta dị ka MicroLED na QDLED na-agakwa n'ụzọ zuru oke.Mgbanwe nke ụlọ ọrụ TFT-LCD aghọwo ihe a na-apụghị ịgbagha agbagha N'okpuru ike OLED elu-iche (CR) na àgwà gamut agba agba, ụlọ ọrụ TFT-LCD lekwasịrị anya n'ịkwalite njirimara nke gamut agba LCD ma tụpụta echiche nke "quantum". ntụpọ TV."Agbanyeghị, ihe a na-akpọ "TV quantum-dot" anaghị eji QD gosipụta QDLED ozugbo.Kama, ha na-agbakwunye naanị ihe nkiri QD na ọkụ azụ TFT-LCD.Ọrụ nke ihe nkiri QD a bụ iji gbanwee akụkụ nke ọkụ na-acha anụnụ anụnụ nke ọkụ azụ na-ebupụta n'ime ọkụ ndụ ndụ na-acha uhie uhie na nkesa ogologo ogologo nke dị warara, nke kwekọrọ na otu mmetụta ahụ dị ka phosphor omenala.
Ìhè akwụkwọ ndụ akwụkwọ ndụ na-acha uhie uhie na-atụgharị site na ihe nkiri QD nwere nkesa nkesa dị warara ma nwee ike jikọta ya na band transmittance CF dị elu nke LCD, nke mere na enwere ike ibelata ọkụ ọkụ ma nwee ike imeziwanye arụmọrụ ọkụ.Ọzọkwa, ebe ọ bụ na nkesa wavelength dị warara dị warara, ọkụ monochromatic RGB nwere ike ịdị ọcha dị elu (saturation) nwere ike mezuo, yabụ agba gamut nwere ike ibu ibu Ya mere, ọganihu teknụzụ nke "QD TV" adịghị emebi emebi.N'ihi mmezu nke ntụgharị fluorescence na bandwit dị warara na-egbuke egbuke, a pụkwara imezu phosphor omenala.Dịka ọmụmaatụ, KSF:Mn bụ nhọrọ phosphor dị ọnụ ala, dị warara-bandwidth.Ọ bụ ezie na KSF:Mn na-eche nsogbu nkwụsi ike ihu, nkwụsi ike nke QD dị njọ karịa nke KSF: Mn.
Inweta ihe nkiri QD nwere ntụkwasị obi dị elu adịghị mfe.N'ihi na QD na-ekpuchi mmiri na ikuku oxygen na gburugburu ebe obibi na ikuku, ọ na-emenyụ ngwa ngwa na ọrụ ọkụ na-adaba nke ukwuu.Ihe ngwọta na-egbochi mmiri na ikuku oxygen nke ihe nkiri QD, nke a na-anabata nke ọma ugbu a, bụ ịgwakọta QD n'ime gluu nke mbụ, wee sandwich gluu n'etiti okpukpu abụọ nke ihe mkpuchi mmiri na ihe nkiri plastik na-ekpuchi oxygen. mepụta usoro “sanwichi”.Ihe ngwọta ihe nkiri a dị mkpa nwere oke dị mkpa ma dị nso na BEF mbụ na njirimara ihe nkiri ndị ọzọ anya nke ọkụ azụ, nke na-eme ka mmepụta na mgbakọ dị mfe.
N'ezie, QD, dị ka ihe ọhụrụ na-enye ọkụ, enwere ike iji ya dị ka ihe ngbanwe fotoluminescent fluorescent ma nwee ike ịmegharị ya ozugbo ka ọ gbanye ọkụ.Ojiji nke mpaghara ngosi karịrị ụzọ nke ihe nkiri QDDịka ọmụmaatụ, enwere ike itinye QD na MicroLED dị ka oyi akwa ngbanwe nke fluorescence iji gbanwee ọkụ na-acha anụnụ anụnụ ma ọ bụ ìhè violet nke sitere na mgbawa uLED ka ọ bụrụ ìhè monochromatic nke ogologo wavelength ndị ọzọ.Ebe nha nke uLED sitere na micrometers iri na abuo ruo ọtụtụ iri micrometers, na nha nke phosphor particles bụ opekempe nke micrometers iri na abuo, nha nke phosphor a na-ahụkarị dị nso na otu mgbawa nha nke uLED. enweghị ike iji ya dị ka ntụgharị fluorescence nke MicroLED.ihe.QD bụ naanị nhọrọ maka ihe ngbanwe agba fluorescent ejiri ugbu a maka agba nke MicroLEDs.
Tụkwasị na nke ahụ, CF dị na cell LCD n'onwe ya na-arụ ọrụ dị ka ihe nzacha ma na-eji ihe na-ekpo ọkụ.Ọ bụrụ na ejiri QD dochie ihe mbụ na-anata ọkụ ozugbo, enwere ike nweta cell QD-CF LCD nke na-enwupụta onwe ya, yana arụmọrụ anya nke TFT-LCD nwere ike ime ka ọ dịkwuo mma mgbe ị na-enweta gamut agba.
Na nchịkọta, ntụpọ quantum (QDs) nwere atụmanya ngwa sara mbara na mpaghara ngosi.Ka ọ dị ugbu a, ihe a na-akpọ "quantum-dot TV" na-agbakwunye ihe nkiri QD na isi iyi azụ azụ TFT-LCD, nke bụ naanị nkwalite nke LCD TV na-ejibeghị uru QD zuru ezu.Dị ka amụma nke ụlọ ọrụ nyocha ahụ si kwuo, nkà na ụzụ ngosi nke gamut agba agba ga-eme ka ọnọdụ dị elu, ọkara na nke dị ala na ụdị ngwọta atọ ga-ebikọ ọnụ n'afọ ndị na-abịanụ.Na ngwaahịa etiti na nke dị ala, phosphor na ihe nkiri QD na-etolite mmekọrịta asọmpi.Na ngwaahịa dị elu, QD-CF LCD, MicroLED na QDLED ga-asọmpi na OLED.