LED backlit TV vs Full LED TV
LED backlit thiab Full LED yog ob lub npe nrov uas koj yuav tau hnov thaum koj mus yuav lub TV teeb. Thaum koj pom ib qho kev tshaj tawm tshaj tawm TV los ua LED, tsis txhob dag. Cov tuam txhab tsim TV siv ntau lub ntsiab lus los ua kom tib neeg tsis meej pem thiab muag lawv lub TV. Thaum lawv hais tias LED, nws twv yuav raug hu mus rau LCD nrog tsuas yog LED backlighting. Qhov sib txawv tiag tiag nyob ntawm hom LED siv li cas thiab teeb tsa li cas uas ua rau txhua qhov sib txawv.
Txhua lub LCD nyob ntawm qee yam teeb pom kev zoo los teeb lub vaj huam sib luag ua kua. Feem ntau siv cov teeb fluorescent hu ua CCFL tab sis niaj hnub no muaj kev sib txawv los siv LED backlighting. Cov teeb LED no siv lub zog tsawg dua thiab muab cov xim zoo sib xws thiab muab cov neeg tsim khoom zam kom them nqi ntau dua. Tab sis tsis txhob yuam kev, LED TV's tsuas yog LCD's nrog ntau hom backlights.
Muaj ob txoj hauv kev ntawm kev teeb pom kev ntawm LCD thiab cov no yog lub npe hu ua ntug teeb thiab tag nrho cov teeb pom kev zoo.
Full Array backlighting
Qhov no yog hais txog kev teeb tsa lub teeb hauv cov duab ntawm matrix qab LCD thiab lub diffuser. Lub diffuser ua kom paub tseeb tias qhov matrix ntawm backlights tau kis thoob plaws tom qab ntawm LCD. Qhov kev npaj ntawm LED's nrog diffuser muab qhov txiaj ntsig zoo tshaj plaws nyob rau hauv cov nqe lus ntawm kev sib xws li piv rau ntug-lit LED's.
Hauv zos dimming yog ib qho txheej txheem uas tau siv los ntawm kev dimming ntawm backlighting hauv qee qhov chaw ntawm cov zaub uas muaj cov ntsiab lus tsaus nti ntawm qhov chaw. Cov txheej txheem no ua rau muaj qhov sib piv zoo sib xws hauv LCD ua rau lawv piv rau HD plasma TV's. Cov txheej txheem no ua rau cov xim dub dub thiab qhov sib txawv ntau dua li tuaj yeem ua tiav los ntawm kev siv ntug-lit LED. Ib qho kev hloov pauv ntawm Full Array backlighting yog qhov chaw dawb LED tau hloov los ntawm pawg ntawm cov xim LED uas ua rau lub teeb dawb huv. Lub teeb dawb dawb no tso cai rau kom pom tseeb thiab muaj tseeb rau lub neej xim.
Edge Lit backlighting
Kev teeb tsa ntawm LED's raws ntug ntawm LCD yog hu ua Edge Teeb pom kev zoo. Lub teeb pom kev zoo yog ntsia rau tom qab ntawm LCD uas qhia txog lub teeb ntawm lub kaum sab xis thiab muaj peev xwm dhau los ntawm LCD vaj huam sib luag. Cov phaj no tsim cov teeb pom kev zoo ib yam li qhov uas tsis tas yuav tsum muaj diffuser. Dimming ntawm lub teeb tsis tuaj yeem ua tau ib tus zuj zus thiab tuaj yeem ua tiav hauv pab pawg txog tam sim no. Samsung tau ua tiav ib tus neeg dimming ntawm lub teeb yog li khaws 30-40% tus nqi kom zoo dua tag nrho array backlighting.
Summary
Txawm hais tias tag nrho cov teeb pom kev rov qab yog qhov zoo tshaj plaws ntawm ntug teeb pom kev ntawm ib hnub twg, kev hloov kho tshiab tsis ntev los no los ntawm cov thawj coj ua lag luam tau ua kom ntseeg tau tias ntug-lit backlight TV's tau ze dua hauv kev ua tau zoo rau tag nrho array backlighting dua li yav dhau los.
