Nrhiav kom paub seb koj yuav tsum paub txog Quantum Dots (aka QLED)
Quantum Dots thiab LCD TVs
Muaj tsis paub tias txawm tias muaj qee yam tsis pom kev , LCD TVs yog cov hom ntawm TV muag rau cov neeg siv raws li qhov chaw ntawm lawv cov kev lom zem hauv tsev. Qhov kev txaus sab ntawm LCD TV twv yuav raug ceev ceev qhov tuag ntawm CRT thiab Tsheb Projection TVs thiab kuj yog qhov tseem ceeb vim tias Plasma TVs tsis nrog peb .
Txawm li cas los, OLED TV yog touted los ntawm ntau, nrog nws cov "enhanced" kev ua tau raws li txoj cai successor rau LCD. Nyob rau hauv qhov tseeb, LG tau muab nws cov thawj koom ruam ntawm cov cuab yeej no los ntawm kev ua thiab nquag qhia txog cov TV TV.
Txawm li cas los xij, ntau li ntau cov neeg tuaj yeem xav xav tias OLED sawv cev rau cov kauj ruam hauv TV tshuab, LCD TVs tseem tuaj yeem nqa nws cov ntawv ntaus nqi nrog cov koom nrog Quantum Dots.
Dab tsi yog Quantum Dot?
Rau cov hom phiaj ntawm daim ntawv thov hauv TVs thiab video qhia, Quantum Dot yog ib tug txiv neej ua nanocrystal nrog semiconductor zog uas yuav siv tau los txhim kho qhov ci thiab kev ua yeeb yam tso tawm hauv cov tseem thiab video cov duab ntawm ib qho screen LCD.
Cov Quantum Dots yog cov khoom cua (xws li phosphors ntawm Plasma TV), tab sis, nyob rau hauv cov ntaub ntawv no, thaum lawv ntaus nrog photons los ntawm ib lub teeb sab nraud (hauv LCD TV daim ntawv thov lub teeb ci Xia Blue), txhua qhov tuaj tawm xim ntawm ib txoj kab bandwidth, uas yog txiav txim los ntawm nws qhov loj.
Tshaj loj tshaj plaws tawm lub teeb uas tawm ntawm qhov liab, thiab raws li cov dots tau me, lawv emit lub teeb uas yog skewed ntau ntawm ntsuab. Thaum Quantum Dots ntawm qhov ntau thiab tsawg los ua ke ua ke nyob rau hauv ib lub qauv (ntau ntawm qhov no nyob rau nplooj ntawv tom ntej) thiab tau nrog Blue LED teeb qhov chaw, lawv tuaj yeem tawm lub teeb ntawm tag nrho cov xim bandwidth uas yuav tsum muaj rau TV saib. Kev noj kom zoo dua ntawm Quantum Dot cov khoom, TV ua yuav txhawb txoj kev ci ci thiab kev ua haujlwm ntawm LCD TV saum toj saud tam sim no.
Cov duab saum toj no pom ob qho tib si lub qauv quantum dot (ntawm sab xis), ib qho piv txwv hypothetical txoj kev sib raug ntawm Quantum Dot xim emission zog raws li loj (nyob rau sab laug), thiab txoj kev uas Quantum Dots yeej ua tau (zoo li ib yam tawm ntawm Dr Frankenstein's lab lossis qib chemistry lab).
Yuav ua li cas Quantum Dots tau siv hauv LCD TVs
Thaum Quantum Dots raug muab, qhov sib txawv ntawm qhov sib txawv ntawm cov zauv tuaj yeem muab tso rau hauv nruab nrab ntawm ib lub thawv uas muab tso rau hauv LCD TV (nrog LCD TV cov dots yog feem ntau ntawm ob qhov loj, ib qho zoo rau Green thiab lwm optimized rau liab).
Daim duab ntawm nplooj ntawv no qhia txog seb cov Quantum Dots yuav siv li cas hauv LCD TV, raws li hom ntawv casing siv.
- Tso tawm sab hauv ntawm ib tus casing (hu ua Edge Optic) nrog lub vaj huam sib luag ntawm cov npoo ntawm cov xim xiav ntawm cov xim dub thiab lub LCD vaj huam sib luag ( rau cov teeb ci-ci LED / LCD ).
- Rau ib "zaj duab xis li txheej" tso rau ntawm Blue LED lub teeb ci qhov chaw thiab lub LCD vaj huam sib luag (rau Daim Ntawv Teev Tag Nrho los yog Ncaj Ncees Liab LED / LCD TVs).
- Rau ib lub nti uas muab tso rau ntawm Xia Huab Huv lub teeb nyob rau ntawm ntug ntawm lub vaj huam sib luag hauv LCD (rau cov teeb ci-ci LED / LCD).
Nyob rau hauv txhua txoj kev, Blue LED xa cov teeb los ntawm Quantum Dots, uas yog ces zoo siab heev kom lawv emit liab thiab ntsuab lub teeb (uas yog tseem nrog nrog Blue tuaj ntawm LED qhov chaw lub teeb). Qhov sib txawv xim txawv ces kis tau los ntawm cov npoj LCD, cov ntxaij lim dej xim, thiab nyob rau ntawm qhov screen rau duab saib. Qhov ntxiv Quantum Dot emissive txheej tso cai rau LCD TV los tso saib ntau tshaj plaws thiab muaj xim zoo dua gamut dua LCD TVs tsis muaj ntxiv Quantum Dot txheej.
Kuaj tawm ib qho yeeb yaj duab ua yees duab ntawm Quantum Dot Daim Ntawv Thov Hauv Kev Saib Xyuas Hauv Tsev (Lub Tsev Theatre Lub Tsev Kawm Ntawv Geeks / QD Vision)
Cov nyhuv ntawm Ntxiv Quantum Dots Los LCD TVs
Cov saum toj no yog ob qho tib si thiab ib qho piv txwv txog kev ntxiv cov Quantum Dots rau LCD TVs tuaj yeem txhim kho kev mob xim.
Nyob rau hauv daim duab ntawm sab saum toj yog ib qho qauv kev sawv cev uas qhia txog cov xim pom tag nrho pom. Txawm li cas los xij, TVs thiab yees duab yees tsis tuaj yeem pom cov xim tha xim tag nrho, yog li ntawd lub siab, daim duab peb sab pom tshwm hauv cov spectrum qhia li cas ze li ntawm ntau xim xim siv hauv video tso tawm ua ke uas lub hom phiaj.
Raws li koj tuaj yeem pom los ntawm daim ntawv peb tog, LCD TVs siv cov tsoos tsho dawb rov qab los yog ntug teeb pom kev deb tsawg tshaj li NTSC cov qauv xim uas tau txais nyob rau hauv 1953 rau kev sib kis xim. Txawm li cas los xij, thaum koj tseem pom, thaum Quantum Dots ntxiv rau qhov sib xyaw, xim ntawm ib lub TV hauv LCD muaj peev xwm ua kom ntev txaus kom tau raws li NTSC xim qauv tsim.
Cov tswv yim zoo: Xim muaj ntau yam thiab ntuj, raws li qhia nyob rau hauv kev sib piv hauv qab lub graph.
Nws tseem ceeb heev kom taw tes tias Quantum Dots kuj siv tau los ua kom tiav cov kev xav tau ntawm ob leeg HD (rec.709) thiab Ultra HD (rec.2020 / BT.2020) xim qauv, raws li tau hais hauv tsab xov xwm Quantum Dots For Ultra -huab Xim Xim Gamuts hauv LCDs tso tawm los ntawm International Society For Optics thiab Photonics.
LCD vs OLED
Raws li hais hauv kuv qhov intro rau cov tshooj no, LCD TVs yog hom kev siv ntau nyob hauv tsev neeg thoob plaws hauv lub Ntiaj Teb. Txawm li cas los xij, uas tau hais tias, LCD TVs muaj cov teeb meem, uas muaj cov xim saturation thiab cov theem dub, tshwj xeeb tshaj yog thaum piv rau Plasma TVs. Lub koom haum ntawm cov tshuab LED-thiab-ntug teeb pom kev zoo tau pab me ntsis, tab sis qhov ntawd tsis tau txaus.
Raws li qhov lus teb rau cov kev tsis txaus siab no, lub TV kev lag luam (feem ntau LG) tau tawm ntawm OLED raws li kev daws teeb meem, vim TVs siv lub tshuab hlwb hlau OLED yuav tsim tau ob lub xim zoo tshaj plaws thiab muaj dub.
Txawm li cas los xij, OLED yog ib qho zoo dua lwm qhov rau LED / LCD, tom qab lub xyoo cog lus thiab tsis tuaj yeem ua kom ncav cuag kev ua lag luam, hauv 2014 tsuas yog LG thiab Samsung nkag mus hauv TV kev lag luam nrog cov vijtsam loj hauv OLED TV uas tau pib ntawm CES 2013 siv ob txawv me ntsis txawv.
LG siv ib qho system hu ua WRGB, uas yog kev sib txuas ntawm cov teeb pom kev zoo OLED subpixels thiab xim cov duab los tsim cov dluab, thaum Samsung lub sib txuas ntawm lub ntsiab muag liab, ntsuab, thiab xiav lub teeb emitting OLED subpixels.
OLED TVs yeej zoo saib, tab sis nws muaj ib qho teeb meem loj uas cuam tshuam kev lag luam hauv TV los ntawm kev coj cov TV hauv TV rau ntawm ib qho kev ntsuas loj, nqi.
Tsis tas li ntawd, nws yuav tsum tau taw tes tias Samsung poob tawm ntawm DVR TV luam tawm ntau lawm hauv 2015, tawm hauv LG thiab, thiab tam sim no Sony, raws li qhov chaw rau OLED TVs tsom mus rau cov neeg lag luam.
Dua li ntawm qhov kev thov tias LCD TVs muaj teeb meem ntau dua li cov TV hauv OLED, qhov tseeb tiag yog tias OLEDs muaj, kom deb li deb, tau kim los ua qhov loj hauv qhov screen loj rau TV. Qhov no yog vim muaj teeb meem uas tshwm hauv cov txheej txheem tsim ua rau muaj feem pua ntawm OLED cov ntxaij lim dej kom tsis txais los ntawm kev siv rau ntau qhov ntau thiab tsawg. Raws li qhov tshwm sim, feem ntau ntawm OLED qhov kev ua tau zoo (xws li muaj peev xwm los tso saib lub voj txawv xim thiab qhov tob dub) tob dua LED / LCD TVs yog nyav.
Siv cov teeb meem ntawm OLED thiab qhov muaj peev xwm ntawm kev siv cov Quantum Dots los ua tus qauv LED / LCD TV tam sim no (thiab hloov me ntsis heev hauv cov kab sib dhos), Quantum Dots yuav yog daim pib mus nqa cov teebmeem LED / LCD TV nyob ze ntawm dab tsi TV ua tau vam cia nrog OLED - thiab thaum qis dua tus nqi.
LCD nrog Quantum Dots vs OLED
Tshaj tawm ntawm nplooj ntawv no yog daim phiaj los sib piv lub ci ntsa iab, xim muaj xim, thiab kev siv fais fab ntawm ob lub Sony LED / LCD TVs uas sib txuas nrog Quantum Dots nrog cov thawj cim OLED TV tso tawm los ntawm Samsung thiab LG.
Yog tias tsis muaj ntau txoj kev qhia, thaum koj sib piv tag nrho plaub zaug, koj yuav pom tias qhov xim ntawm ob lub Sony Quantum Dot - txawm yog siv cov teeb pom kev zoo los siv LCD / LCD, thiab tus qauv Samsung OLED yog ze heev, thaum LG OLED teeb ua tshwm rau hauv qab.
Ntawm qhov tod tes, thaum Samsung teeb muaj peev xwm siab tso zis, ob lub Sony Quantum Dot LED / LCD thiab LG OLED poob lawm.
Txawm li cas los xij, txoj kev sib txawv tshaj plaws yog nyob rau hauv kev siv hluav taws xob. Raws li koj tau pom, ob qho tib si hauv OLED TVs siv zog ntau tshaj li Sony teeb hauv kev sib piv no, tshwj xeeb tshaj yog thaum koj xav ntxiv tias lub koob yees duab Sony Sony Ntes 70K siv zog dua li 55-inch OLED TV. Qhov no txhais tau hais tias, txwv tsis pub muaj kev tsim kho hauv engineering hauv cov tiam tom ntej ntawm OLED TVs, tias lub TV 65-dais OLED yuav siv zog ntau tshaj li nws tus nqi quantum dot enabled LED / LCD TV equivalent.
Tsis tas li ntawd, lwm yam yuav tsum nco ntsoov tias thaum LED / LCD TVs tau siv fais fab rau ntau qhov tsis txig txawm tsis muaj qhov tso zis (txawm hais tias lwm cov nta hauv TV, xws li TV, Smart TV, , OLED TV fais fab kev noj pauv nrog cov theem ntawm qhov yuav tsum ua kom pom cov duab. Yog li, lub zog cov ntsiab lus, lub hwj huam ntau tshaj plaws - thiab ntawm chav kawm, siv cov Ntsuas TV thiab lwm yam nta kuj yuav hloov qhov no thiab.
Yog li, raws li koj tuaj yeem pom raws li qhia hauv daim phiaj, qhov nqi them ntxiv rau kev tsim khoom thiab kev yuav ib lub TV hauv OLED yuav tsis xa qhov ntau ntawm kev txhim kho dua ib qho Quantum Dot-equipped LED / LCD TV.
Quantum Dots - Lub yeeb yuj tam sim no thiab yav tom ntej
Muaj peb lub chaw lag luam ntawm Quantum Dot Technology siv rau hauv TVs, QD Vision (uas yog muab cov tshuaj thaiv kab pleev xim rau lit-plees LED / LCD TVs), thiab Nanosys thiab 3M (uas yog muab cov Quantum Dot Film (QDEF) xaiv - rau kev siv nrog Cov Teeb Meem Backlit LED / LCD TVs).
Nyob rau sab laug ntawm daim duab saum toj no, lub TV nyob rau sab laug yog ib Samsung 4K LED / LCD TV, thiab rau sab xis thiab hauv qab yog ib qho LG 4K OLED TV. Nyuam qhuav saum lub LG OLED TV yog Philips 4K LED / LCD TV uas muaj cov tshuab Quantum Dot. Raws li koj tau pom, cov liab liab tawm ntau tshaj rau ntawm Philips tshaj rau ntawm Samsung teeb thiab yog me ntsis ntau ntau tshaj li qhov liab tshwm nyob rau hauv LG OLED teeb.
Nyob rau sab xis ntawm daim duab yog cov qauv ntawm Quantum Dot-ntaus nruab TV los ntawm TCL thiab Hisense.
Kev siv Quantum Dots tau siv cov leap loj dhau los ua ob peb lub TV ua yeeb yam tsom tawm Quantum Dot enabled TVs ntawm lub 2016 CES, nrog rau Samsung, TCL, Hisense / Sharp, Vizio, thiab Philips.
Txawm li cas los, feeb txaus, LG, uas tso tawm ib co Quantum Dot TV prototypes nyob rau 2015 , muaj thaj txiav txim siab kom rov qab, thiab muab ntau cov kev pab cuam rau lawv cov kev siv technology hauv TV OLED.
Los ntawm lwm cov tes, nrog LG thiab Sony (raws li ntawm 2017) yog cov ua lag luam ntawm OLED TVs (Sony OLED TVs siv LG OLED panels), Quantum Dot lwm qhov xim rau li ntawm QD Vision, Nanosys, thiab 3M, yuav ua tau tiag pab kom LCD mus txuas ntxiv rau nws qhov chaw lag luam dominance xyoo, thiab kaum xyoo tuaj. Yog li, tom ntej no koj mus kav khw rau TV, xyuas seb nws puas muaj "IQ", "QLED", "QD", "QDT", lossis cov ntawv zoo sib xws ntawm cov teeb, lossis hauv phau ntawv qhia - uas yuav qhia koj hais tias lub TV siv khiav Quantum Dot Technology.
Quantum Dots thiab HDR: Ua Ke Zoo : Ua Ke Nrog HDR thiab Quantum Dots (QD Vision)
Quantum Dots nyob rau hauv txawb ua yeeb yam: Kua Retina (Tech Radar)