Igama eliphelele le-LED yi-semiconductor emit diode, eyenziwe ngezinto ezisetshenziswayo ze-semiconductor. Umgomo wayo osebenzayo ukuguqula ngokuqondile amandla kagesi kumandla optical, futhi inombolo kagesi iguqulwa ibe idivayisi yokukhanya kwesignali yokukhanya. Izinzuzo zayo yilezi: ukusetshenziswa okuphansi, ukukhanya okuphezulu, umbala ocebile, ukumelana nokudlidliza okuqinile, impilo ende yesevisi (ukukhanya okuvamile kufinyelela emahoreni angu-80,000 kuya ku-100,000), umthombo wokukhanya okubandayo, njll, kungathiwa ukukhanya kwangempela okuluhlaza. Imikhiqizo yokukhanyisa ene-LED njengomthombo wokukhanya omusha nakanjani izothatha indawo yezibani zokuluka ezimhlophe esikhathini esizayo sekhulu lama-21, ibe enye inguquko ekukhanyeni komuntu. Ubuhlalu besibani se-LED busebenzisa amandla aphansi we-voltage, futhi amandla kagesi agcinwa phakathi kuka-2-4V. Ngokomehluko womkhiqizo, ubuhlalu besibani se-LED bungumthombo wamandla aphezulu-voltage kunokusebenzisa amandla aphezulu-voltage, okufaneleka ngokukhethekile ukusetshenziswa ezindaweni zomphakathi ezindaweni zomphakathi. Ukwakheka kobuhlalu besibani se-LED obunemibala buhlanganisa okubomvu (R), okuluhlaza okotshani (g), noluhlaza okwesibhakabhaka (b) i-LED yombala wesisekelo esithathu. Wonke umuntu ujwayelene ne-LED enemibala emibili. Ngokuvamile kuhlanganisa ukukhanya okubomvu kwe-LED ne-LED eluhlaza. Ingakwazi ukukhipha ukukhanya okubomvu noma okuluhlaza ngokuzimela. Uma ukukhanya okubomvu nokukhanya okuluhlaza kuwukugqama ngesikhathi esifanayo, lezi zinhlobo ezimbili zokukhanya okubomvu nokuluhlaza zizoxutshwa kube okusawolintshi -ophuzi. Umgomo wokushintsha umbala kwesibani esishintsha umbala yilapho ama-LED amathathu ayisisekelo ekhanyisa ngama-LED amabili, angakhipha ophuzi, onsomi, cyan (njengama-LED abomvu naluhlaza okwesibhakabhaka lapho kukhanyisa ukukhanya okunsomi); Uma ama-LED amathathu okukhanya okwesibhakabhaka ngesikhathi esisodwa, azokhiqiza ukukhanya okumhlophe. Uma kukhona umjikelezo ongakhanyisa i-LED ebomvu, eluhlaza, neluhlaza okwesibhakabhaka ngokulandelana, ikhanyise, futhi ikhanyiswe ngemibala emithathu eyisisekelo iyodwa, khona-ke imibala yokukhanya eyisikhombisa ehlukene ingakhishwa, ngakho-ke ukwenzeka kwezibani ze-LED ezimibalabala ziyavela.
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Ukubulala Umoya
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Abakhiqizi be-UV Led diodes
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