Ma LED oyambilira a GaP ndi GaAsP ophatikizira ofiira, achikasu, ndi obiriwira otsika kwambiri m'zaka za m'ma 1970 adayikidwa pamagetsi owonetsa, digito ndi zolemba. Kuyambira pamenepo, LED idayamba kulowa m'magawo osiyanasiyana ogwiritsira ntchito, kuphatikiza zakuthambo, ndege, magalimoto, zida zamafakitale ...
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