1. Kev Taw Qhia Hauv lub neej niaj hnub no, LED video phab ntsa tau dhau los ua ib feem tseem ceeb ntawm peb ib puag ncig txhua hnub. Nrog kev nce qib ntawm kev siv thev naus laus zis, ntau hom LED zaub tau qhia, xws li me me pixel suab LED zaub, Micro LED zaub, thiab OLED zaub. Txawm li cas los xij, nws yog kuv ...
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