. . "diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used"@en-us . "103666362"^^ . . . . "LED"@en-us . . . "light-emitting diode"^^ . . "103529626"@en-us . "light-emitting diode"@en-us . "03666362-n"^^ . "0"^^ . "0"^^ . . .