1. Kodi LED, LCD ndi chiyani? LED imayimira Light-Emitting Diode, chipangizo cha semiconductor chopangidwa kuchokera kumagulu okhala ndi zinthu monga Gallium (Ga), Arsenic (As), Phosphorus (P), ndi Nitrogen (N). Ma elekitironi akalumikizananso ndi mabowo, amatulutsa kuwala kowoneka bwino, kupangitsa kuti ma LED azigwira bwino ntchito potembenuza ma elekitirodi ...
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