Nrog rau kev nce qib ntawm thev naus laus zis thiab kev nce hauv kev tsim khoom los ntawm ntau lub tuam txhab, COB LED zaub tau txais ntau thiab nrov dua. Tam sim no, COB tso nyiaj ntau dua 50% ntawm cov teeb pom kev zoo LED. Hais txog tus nqi, P1.2 thiab P1.5 COB cov khoom lag luam tuaj yeem sib tw nrog SMD, thiab cov khoom COB hauv qab P0.9 yog pheej yig dua SMD.
