Muaj ntau qhov hype thiab tsis meej pem nyob ib puag ncig kev lag luam ntawm LED TVs. Txawm hais tias muaj ntau tus neeg sawv cev kev sib raug zoo rau pej xeem thiab cov kws tshaj lij muag khoom uas yuav tsum paub zoo dua yog qhia tsis tseeb tias LED TV yog dab tsi rau lawv cov neeg siv khoom yav tom ntej.
Cov ntaub ntawv hauv qab no siv rau TVs tsim los ntawm ntau lub tuam txhab suav nrog, tab sis tsis txwv rau, Hisense, LG, Panasonic, Samsung, Sony, TCL, thiab Vizio.
Kev Tshawb Nrhiav Txhua Yam
- Yuav pheej yig dua.
- Siv ntau zog.
- Thicker TVs.
- Duller, dimmer duab.
- Thinner TVs.
- Zoo dua, muaj zog dua daim duab.
- Ntau zog npaum.
- Ntau qhov ntau ntawm qhov screen loj.
- Nyob ntev.
LCD thiab LED TVs txawv li cas? Cov hom TV no zoo ib yam li kev sib piv tag nrho. Qhov sib txawv tseem ceeb ntawm ob qho no los ntawm qhov teeb pom kev rov qab.
Txhua lub TV muaj teeb pom kev hauv qab lub vijtsam kom pom cov duab thiab ua kom pom. Lub teeb yog qhov tseem ceeb. LCD sawv cev rau Liquid Crystal Display, thiab nws hais txog yuav ua li cas daim duab tsim hauv TV. Hauv TVs nrog lub npe LCD, lub teeb pom kev zoo tom qab lub vijtsam feem ntau yog qee yam ntawm lub teeb fluorescent. Lub teeb pom kev hauv TV tuaj yeem hlawv tawm, qee zaum.
LED TVs yog LCD TVs, tab sis muaj npe txawv. Tias yog vim li cas, tsis yog lub teeb pom kev zoo ib txwm muaj, LED TVs yog backlit los ntawm LEDs (Lub Teeb Emitting Diodes). Piv nrog rau cov teeb pom kev zoo li niaj zaus, LEDs zoo li ci dua, compact dua, thiab kav ntev dua. Ntxiv rau qhov ntawd, LEDs muaj zog dua. LED TVs muaj cov kua siv lead ua kua tab sis tau teeb los ntawm txhua qhov chaw zoo dua, siv LEDs.
LCD TVs Pros and Cons
- Thinner dua tube TVs.
- feem ntau yooj yim dua li LED TVs.
- Lub teeb fluorescent siv chav ntau dua.
- fluorescent teeb pom kev zoo siv zog ntau dua.
- fluorescent teeb tsis ci li.
- fluorescent teeb tsis kav ntev li.
LCD TVs muaj npe tom qab cov kua siv lead ua kua. Cov kua siv lead ua kua yog ua los ntawm ob daim iav los yog iav zoo li cov khoom pob tshab. Nruab nrab ntawm cov no yog ib txheej nrog ib tus neeg ua kua muaju. Thaum cov hluav taws xob tam sim no dhau los ntawm cov muaju, cov muaju tso cai thiab thaiv cov xim sib txawv ntawm lub teeb. Qhov no tuaj yeem siv los tsim cov duab uas hloov pauv sai raws li cov hluav taws xob hloov pauv.
Cov muaju tsis tawm lub teeb, yog li lub teeb ci yuav tsum tau muab tso rau tom qab cov iav kom dhau lub teeb. Nyob rau hauv cov ntaub ntawv ntawm thawj tiam ntawm LCD TVs, lub teeb qhov chaw yog feem ntau fluorescent qhov muag teev.
Thaum LCD TVs nyias dua li cov poj koob yawm txwv lub raj, cov TV no raug txwv los ntawm qhov loj ntawm lub teeb pom kev zoo.
Cov qij fluorescent kuj tsis tshua muaj txiaj ntsig zoo dua li LEDs thiab tsim lub teeb zoo nrog cov kev xaiv tsis tshua muaj zog.
LED TVs (aka LED / LCD TVs) Pros and Cons
- LEDs tso cai rau LCD TVs ua kom nyias thiab sib dua.
- LEDs pab tsim cov xim zoo dua.
- LEDs muaj zog dua.
- LEDs kav ntev dua li cov teeb pom kev zoo.
- Yuav kim dua.
- Feem ntau suav nrog Smart TV Cheebtsam, kom zoo dua lossis phem dua.
LED TVs yog qhov tseem ceeb ib yam li LCD. Hloov cov teeb pom kev zoo fluorescent siv los teeb cov muaju, LED TVs siv LEDs (lub teeb-emitting diodes).
LEDs me dua li cov teeb pom kev zoo fluorescent, tso cai rau LED TVs nyias thiab sib zog dua li LCD. LED TVs kuj siv zog tsawg dua thiab ua kom muaj cua sov tsawg.
LED TVs ua rau cov neeg sib tw zoo dua rau dai ntawm phab ntsa, thiab cov teeb pom kev sib txawv tau tso cai rau cov no tawg mus rau qhov ntau thiab tsawg, ua tsaug rau kev siv hluav taws xob qis thiab muaj peev xwm nthuav tawm LED teeb pom kev zoo yam tsis tas yuav nce lub thickness ntawm lub TV..
LEDs kuj tseem siv tau ntev dua li kev daws teeb pom kev yav dhau los. LEDs paub txog kev ua neej nyob ntev heev hauv lwm daim ntawv thov, xws li teeb pom kev hauv tsev, thiab TVs tsis muaj qhov tshwj xeeb.
Rau qhov tshwj xeeb ntxiv ntawm cov txheej txheem teeb pom kev xav tau rau LCD TV, nyeem Demystifying CRT, Plasma, LCD, thiab DLP TV Technologies.
Yuav kom muaj qhov tseeb, LED TVs yuav tsum tau sau npe thiab tshaj tawm raws li LCD / LED lossis LED / LCD TVs.
Ob Hom Lub Teeb Teeb
Muaj ob txoj hauv kev uas LED backlight yog siv rau hauv LCD TVs: Ntug Teeb pom kev zoo thiab teeb pom kev ncaj.
LED Ntug Teeb pom kev zoo
Ntug Teeb pom kev zoo muaj cov LEDs uas tau muab tso rau hauv cov npoo sab hauv ntawm lub LCD vaj huam sib luag. Lub teeb yuav tawg mus thoob plaws lub vijtsam uas siv lub teeb diffusers lossis cov lus qhia lub teeb.
- Qhov zoo ntawm txoj kev no yog qhov LED / LCD TV tuaj yeem ua kom nyias nyias.
- Qhov tsis zoo ntawm Edge teeb pom kev zoo yog cov qib dub tsis sib sib zog nqus, thiab thaj tsam ntawm ntug ntawm lub vijtsam muaj qhov nyiam ua kom ci dua qhov chaw nruab nrab ntawm qhov screen.
- Qee zaum koj yuav pom dab tsi yog hu ua tsom teeb nyob rau hauv cov ces kaum ntawm lub vijtsam lossis cov kab dawb tawg thoob plaws lub vijtsam. Thaum saib hnub ci lossis teeb pom kev sab hauv, cov teebmeem no feem ntau tsis pom. Txawm li cas los xij, cov no tuaj yeem pom tau thaum saib hmo ntuj lossis tsaus ntuj hauv TV program lossis movie.
LED Direct Teeb pom kev zoo
Direct lossis Full-Array (tseem hu ua Full LED) muaj ob peb kab ntawm LEDs tso rau tom qab tag nrho saum npoo ntawm lub vijtsam.
- Qhov kom zoo dua ntawm tag nrho-array backlight yog tias nws muab qhov sib npaug, zoo ib yam, thiab qib dub hla tag nrho cov tshuaj ntsuam saum npoo yam tsis muaj cov kab dawb dawb lossis lub kaum ntse ntse pom.
- Lwm qhov zoo dua yog tias cov teeb tsa no tuaj yeem ua haujlwm dimming hauv zos (yog tias siv los ntawm cov chaw tsim khoom). Tag Nrho-Array Backlighting ua ke nrog Local Dimming kuj tseem hu ua FALD.
Hauv qab no yog ib qho piv txwv ntawm lub TV uas muaj qhov ua haujlwm puv-Array Backlighting nrog Lub Zos Dimming.
Yog tias lub LED / LCD TV tau sau tias Direct Lit, qhov no txhais tau tias nws tsis suav nrog hauv zos dimming, tshwj tsis yog muaj qhov tsim nyog ntxiv. Yog tias lub LED / LCD TV suav nrog cov dimming hauv zos, feem ntau nws yog hu ua Full Array Backlit Set lossis tau piav qhia tias Full Array nrog Local Dimming.
Thaum kev dimming hauv zos tau siv, pawg ntawm LEDs tuaj yeem ua kom ci lossis dim ntawm nws tus kheej hauv qee qhov chaw ntawm lub vijtsam (qee zaum hu ua zones). Qhov no muab kev tswj ntau dua ntawm qhov ci thiab qhov tsaus ntuj rau txhua qhov chaw, nyob ntawm cov khoom siv uas nthuav tawm.
Sony Backlit Master Drive muab dimming ntawm txhua tus neeg LED.
Lwm qhov kev hloov pauv ntawm tag nrho cov teeb pom kev rov qab nrog lub zos dimming yog Mini-LED. Mini LEDs ua haujlwm zoo li cov qauv LEDs tab sis me dua. Qhov no txhais tau hais tias tsis yog lub kaum os lossis ob peb puas LEDs, Mini-LEDs tus lej hauv ntau txhiab thiab tuaj yeem ua pawg hauv ntau pua thaj chaw.
Qhov no tso cai rau qhov ci ntsa iab thiab qhov sib txawv tswj rau ob qho tib si ci thiab tsaus yam khoom, xws li tshem tawm cov ntshav dawb los ntawm cov khoom ci ntawm cov keeb kwm dub.
TCL's Quantum Contrast labeled TVs yog cov piv txwv uas siv mini-LED thev naus laus zis.
Lub Zos Dimming Hauv LED Ntug-Lit LCD TVs
Qee ntug-lit LED/LCD TVs kuj hais tias muaj kev dimming hauv zos.
- Samsung siv lo lus micro-dimming.
- Sony siv lo lus Dynamic LED (ntawm TVs uas tsis muaj Backlit Master Drive).
- Sharp hais txog lawv cov ntawv ua Aquos Dimming.
Nyob ntawm cov chaw tsim khoom, cov lus siv yuav txawv. Txawm li cas los xij, cov thev naus laus zis ua haujlwm suav nrog cov teeb pom kev sib txawv uas siv lub teeb diffusers thiab cov lus qhia lub teeb, tsis yog ntau tus LEDs tom qab lub vijtsam. Txoj kev no tsis tshua muaj tseeb dua FALD.
Yog tias koj tab tom txiav txim siab rau LED / LCD TV, nrhiav seb hom twg thiab cov qauv siv Edge lossis Full Array backlighting thiab saib seb hom LED backlighting zoo tshaj rau koj.
Ntau Tricks Up LED lub tes tsho
Vim tias cov thev naus laus zis LED, ntau txoj kev xaiv tau qhib rau TVs uas siv nws ua lub teeb pom kev zoo. LEDs hloov tau yooj yim dua li cov teeb pom kev zoo fluorescent. Raws li qhov tshwm sim, LEDs tau qhib qhov rooj rau ntau qhov kev tsim kho tshiab tshaj plaws hauv TVs nyob rau ob peb xyoos dhau los, suav nrog ntau dua li ob peb yam uas tau ua kom zoo dua cov duab zoo. Cov no yog qee qhov kev tsim kho tshiab thiab cov yam ntxwv los xav txog hauv kev yuav khoom LED TV.
LEDs thiab Quantum Dots
Lwm cov thev naus laus zis uas tau muab tso rau hauv LED / LCD TVs yog Quantum Dots. Samsung hais txog nws cov Quantum Dot-nruab LED / LCD TVs li QLED TVs, uas ntau yam tsis meej pem nrog OLED TVs. Txawm li cas los xij, ob lub thev naus laus zis sib txawv.
Quantum Dots yog tib neeg tsim nanoparticles uas tau muab tso rau ntawm Edge-Lit lossis Direct / Full-Array LED Backlight thiab LCD vaj huam sib luag. Quantum Dots yog tsim los txhim kho xim kev ua tau zoo tshaj qhov LED / LCD TV tuaj yeem tsim yam tsis muaj cov nanoparticles.
Samsung tab tom ua lub hauv paus rau kev tsim TVs uas ua ke Quantum Dots nrog OLED. Qhov no yog hu ua QD-OLED.
Digital Signage thiab Micro-LED
Qhov tsuas yog qhov tseeb LED nkaus xwb cov yeeb yaj kiab yog cov uas pom hauv cov chaw ntau pob, chaw ua si, lwm qhov chaw ua yeeb yam loj, cov ntawv tshaj tawm siab, cov ntxaij vab tshaus me me, thiab cov phab ntsa video uas ntiav cov thev naus laus zis xws li MicroLED uas cov LEDs tso saib cov ntsiab lus duab los ntawm kev tsim lub teeb, xim, thiab cov ntsiab lus duab.
LED Siv hauv DLP Video Projectors
LED teeb pom kev kuj tseem siv hauv DLP thiab, kom tsawg dua, hauv LCD video projectors.
Ib lub teeb ci LED muab lub teeb ci es tsis yog lub teeb ib txwm siv. Hauv DLP video projector, cov duab yog tsim nyob rau hauv daim ntawv grayscale nyob rau saum npoo ntawm DLP nti, nyob rau hauv uas txhua pixel yog ib daim iav. Lub teeb ci (qhov no, lub teeb ci LED ua los ntawm cov xim liab, ntsuab, thiab xiav) qhia txog lub teeb tawm ntawm DLP nti lub micromirrors thiab tau npaj rau ntawm qhov screen.
Siv lub teeb ci LED hauv DLP video projectors tshem tawm kev siv lub log xim. Qhov no tshem tawm cov nyhuv DLP zaj sawv (cov xim zaj sawv me me uas pom hauv cov neeg saib lub qhov muag thaum lub taub hau txav).
Txij li thaum LED qhov chaw teeb pom kev zoo rau cov projectors tuaj yeem ua me me, ib hom tshiab ntawm cov yeeb yaj duab compact, hu ua Pico projectors, tau nrov.
LED Siv Hauv TVs, Tam sim no thiab yav tom ntej
Txij thaum lub Plasma TVs tuag, LED / LCD TVs yog hom tseem ceeb ntawm TVs muaj rau cov neeg siv khoom. OLED TVs uas siv cov thev naus laus zis sib txawv kuj muaj, tab sis muaj kev faib tawm tsawg (raws li xyoo 2020, LG thiab Sony yog tib lub TV tsim ua lag luam OLED TVs hauv Asmeskas kev lag luam), thiab kim dua li LED / LCD TV counterparts. Nrog kev kho kom zoo ntawm lub zos dimming thiab Quantum Dots, lub neej yav tom ntej ntawm LED / LCD TVs yog ci.
Kev Txiav Txim Kawg
Tsis muaj laj thawj yuav ib qho LCD TV, txawm tias koj tuaj yeem nrhiav tau ib qho. LED yog universally zoo dua. Nws yog qhov kev rov ua dua tom ntej tom qab fluorescent-lit LCD TVs, thiab hauv qhov tsis tshua muaj kev sib tw rau kev lag luam thev naus laus zis, nws tau txav mus tom ntej yam tsis muaj qhov tsis zoo tiag tiag. Ze li txhua lub TV uas koj pom hauv khw niaj hnub no yog LED TV. Tsis txhob txhawj ntau dhau ntawm qhov sib txawv tam sim no. Hloov chaw, xav txog qee yam ntawm cov yam ntxwv ntxiv uas LED thev naus laus zis ua tau.
