Thaum ntug dej LED LED yog siv rau hauv nruab nrab thiab cov nqi ntawm lub teeb thiab tus nqi ntawm lub teeb pom kev zoo tsis zoo. Lub teeb vaj huam sib luag tsis paub lub teeb meem ntawm LCD TV, tab sis tsuas yog paub cov teeb meem LED zoo dua thiab tuaj yeem paub txog lub hauv paus cheeb tsam ntawm LCD TV. Txheej txheem Backlight yog qhov yooj yim thiab tsis tas yuav muaj lub teeb taw qhia phaj. Lub teeb ci (LED nti Array) thiab PCB tau muab tso rau hauv qab ntawm lub backlight. Tom qab lub teeb tau tawm los ntawm cov LED, nws dhau los ntawm lub reflefor in hauv qab, thiab tom qab ntawd dhau los ntawm cov diffuser nyob rau saum npoo kom nce kaj. Zaj duab xis yog ejuted tusyees. Lub thickness ntawm backlight feem ntau yog txiav txim siab los ntawm qhov siab ntawm cov kab noj hniav ntawm cov yeeb yaj kiab uas muaj kev cuam tshuam thiab cov diffuser. In theory, on the premise of meeting the installation requirements and luminous brightness, the greater the cavity height, the better the uniformity of light emitted from the diffuser.