A fagen marufi na LED, COB yana nufin Chip on Board, fasahar tushen haske mai haɗaɗɗiyar sararin samaniya wanda ke haɗa kwakwalwan LED kai tsaye zuwa madaidaicin.Madogarar hasken LED ta amfani da fasahar COB, guntu kai tsaye yana watsar da zafi zuwa ga ma'aunin, yana jure babban ƙarfin thermal;guntu...
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