Taa, a na-eji LEDs eme ihe n'ọtụtụ ebe, mana diode mbụ na-enye ọkụ bụ ihe karịrị afọ 50 gara aga site n'aka onye ọrụ General Electric. Ike nke LED pụtara ozugbo, n'ihi na ha dị obere, na-adịgide adịgide, ma na-egbuke egbuke. Igwe ọkụ ọkụ na-erikwa obere ike karịa ọkụ ọkụ. Kemgbe ọtụtụ afọ, teknụzụ LED ...
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