Bayyana Bambance-bambance tsakanin COB da SMD Technologies a cikin Nuni na LED
COB (Chip-on-Board) da SMD (Surface Dutsen Na'urar) fasahar sune manyan 'yan wasa a fagen nunin LED, suna nuna bambance-bambance masu mahimmanci a cikin matakai, aikin samfur, dogaro, kuzari ...
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