Thaum muab piv cov qauv sib txawv ntawm cov TV, koj yuav pom cov lus "ntug-lit LED." Txhua LED TVs yog ib hom LCD TV; "LED" tsuas yog hais txog hom teeb pom kev zoo siv los teeb lub LCD pixels hauv TV. Muaj ntau tshaj ib txoj hauv kev los teeb lub pixels. Ob lub thev naus laus zis tseem ceeb yog ntug-lit thiab puv-array.
Cov ntaub ntawv no siv tau rau TV los ntawm ntau lub tuam txhab suav nrog, tab sis tsis txwv rau, cov tsim los ntawm LG, Samsung, Panasonic, Sony, thiab Vizio.
Edge-Lit LED
Nyob rau hauv ib qho ntug-kim TV, LEDs uas ci ntsa iab LCD pixels tsuas yog nyob ntawm ntug ntawm lub teeb. Cov LEDs no tig mus rau sab hauv ntawm lub vijtsam kom pom nws.
Cov qauv no nyias nyias thiab lub teeb ntawm tus nqi me me ntawm qee cov duab zoo-tshwj xeeb hauv thaj tsam ntawm qib dub. Cov cheeb tsam dub ntawm daim duab, xws li qhov tsaus ntuj tsaus nti, tsis yog xim dub tiag tiag tab sis zoo li grey tsaus heev vim qhov teeb pom kev los ntawm ntug thiab teeb pom kev tsaus ntuj me ntsis ntxiv.
Hauv qee qhov tsis zoo-zoo ntug-lit LEDs, cov duab zoo ib yam tuaj yeem ua teeb meem. Vim tias cov LEDs nyob ntawm cov npoo ntawm lub vaj huam sib luag, qhov zoo poob qis thaum koj mus txog nruab nrab ntawm lub vijtsam vim tias qhov teeb pom kev tsis sib xws tsis ncav cuag pixels ntxiv ntawm cov npoo. Ntxiv dua thiab, qhov no pom tau ntau dua thaum lub sijhawm tsaus ntuj; cov xim dub ntawm ob sab ntawm lub vijtsam yog grey dua li cov xim dub (thiab cov ces kaum tuaj yeem pom muaj lub teeb ci zoo li lub teeb pom kev zoo ntawm qhov pom ntawm cov npoo).
Full-Array LED
Cov TVs puv-array LED siv lub vaj huam sib luag tag nrho ntawm LEDs kom pom cov pixels. Feem ntau ntawm cov teeb no kuj muaj qhov dimming hauv zos, uas txhais tau hais tias cov LEDs tuaj yeem dim hauv ntau thaj tsam ntawm lub vaj huam sib luag thaum lwm qhov chaw tsis muaj. Nws pab txhim kho qib dub, uas zoo nkaus li ze rau dub dua tsaus grey.
Cov TV puv-array feem ntau yog tuab thiab hnyav dua li cov qauv teeb pom kev.
Edge-Lit Versus Full-Array LED
Feem ntau, tag nrho-array LED yog lub thev naus laus zis zoo tshaj plaws thaum nws los txog rau daim duab zoo, tab sis ntug teeb teeb muaj ib qho txiaj ntsig tseem ceeb: qhov tob. Edge-lit LED TVs tuaj yeem ua tau ntau dua li cov teeb nrog tag nrho LED vaj huam sib luag lossis ib txwm muaj fluorescent (tsis yog-LED) backlight. Vim li ntawd, feem ntau ntawm cov khoom kim heev uas koj pom hauv khw yuav yog ntug-lit.
Yuav ua li cas thiaj tsim nyog rau koj nyob ntawm qhov koj xav tau.
Yog tias koj tab tom nrhiav rau qhov zoo tshaj plaws ua tau daim duab zoo, koj feem ntau yuav pom nws nyob rau hauv tag nrho-array LED zaub nrog lub zos dimming. Yog tias koj feem ntau txhawj xeeb txog cov tsos ntawm lub TV thiab xav tau ib qho screen nyias heev, ntug teeb yog qhov style uas yuav haum rau koj cov kev xav tau.
