O le GaP muamua ma le GaAsP homojunction mumu, samasama, ma le lanumeamata maualalo malamalama lelei LEDs i le 1970s ua faʻaogaina mo moli faʻailoga, numera ma faʻamatalaga tusitusia. Talu mai lena taimi, na amata ona ulufale atu le LED i vaega eseese o talosaga, e aofia ai le aerospace, vaalele, taavale, applicatio alamanuia ...
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