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lub teeb bar
Cov teeb rov qab LED yog hais txog kev siv LED (lub teeb ci hluav taws xob) ua qhov khoom siv rov qab rau lub ntsej muag LCD. Sib piv nrog cov tsoos CCFL (txias cathode raj) qhov chaw rov qab teeb, LED muaj cov yam ntxwv ntawm kev siv hluav taws xob tsawg, tus nqi tsis muaj calorific, siab ci thiab lub neej ntev, uas xav kom hloov cov tsoos backlight system hauv xyoo tsis ntev los no Lub teeb ci ntawm LED backlight yog siab, thiab cov duab ci ci ntawm LED backlight yuav tsis txo rau ib lub sijhawm ntev. Ntxiv mus, lub ...
