Igama elipheleleyo le-LED yi-semiconductor emitting diode, eyenziwe ngezinto ze-semiconductor. Umgaqo wayo osebenzayo kukuguqula ngokuthe ngqo amandla ombane kumandla optical, kwaye inombolo yombane iguqulwa ibe sisignali yokukhanya ukukhanya-isixhobo esikhuphayo. Iingenelo zayo zezi: ukusetyenziswa okuphantsi, ukukhanya okuphezulu, umbala ocebileyo, ukuxhathisa ukungcangcazela okunamandla, ubomi benkonzo ende (ukukhanya okuqhelekileyo kufikelela kwii-80,000 ukuya kwii-100,000 iiyure), umthombo wokukhanya okubandayo, njl., kunokuthiwa kukukhanya kwangempela okuluhlaza. Iimveliso zokukhanyisa ezine-LED njengomthombo wokukhanya omtsha ngokuqinisekileyo ziya kuthatha indawo yezibane zokuluka ezimhlophe kwixesha elizayo lenkulungwane yama-21, zibe olunye uguquko ekukhanyeni kwabantu. Izibane zezibane ze-LED zisebenzisa umbane ophantsi-i-voltage, kwaye umbane wombane ugcinwa phakathi kwe-2-4V. Ngokomahluko kwimveliso, izibane zesibane se-LED ziyi-high-voltage power supply ngaphezu kokusetyenziswa kwamandla ombane ophezulu, olungele ukusetyenziswa kwiindawo zoluntu kwiindawo zoluntu. Ukuqulunqwa kwemibala yesibane se-LED enemibala ibandakanya obomvu (R), oluhlaza (g), kunye noluhlaza okwesibhakabhaka (b) umbala osisiseko se-LED. Wonke umntu uqhelene ne-LED enemibala emibini. Ngokuqhelekileyo iquka ukukhanya okubomvu kwe-LED kunye ne-LED eluhlaza. Inokuzimela ngokuzimeleyo ukukhanya okubomvu okanye okuluhlaza. Ukuba ukukhanya okubomvu kunye nokukhanya okuluhlaza zizinto eziphambili ngexesha elifanayo, iintlobo ezimbini zokukhanya okubomvu kunye nohlaza ziya kuxutywa kwi-orange-yellow. Umgaqo wesibane sokutshintsha umbala kuxa izibane ezintathu ezisisiseko ze-LED zikhanyisa ii-LED ezimbini, zinokukhupha umthubi, mfusa, cyan (ezifana nee-LED ezibomvu neziluhlaza xa zikhanyisa ukukhanya okumfusa); Ukuba ii-LED ezintathu zokukhanya okuluhlaza ngaxeshanye, ziya kuvelisa ukukhanya okumhlophe. Ukuba kukho isekethe enokukhanyisa ukukhanya okubomvu, okuluhlaza, kunye nohlaza okwesibhakabhaka i-LED ngokulandelelanayo, ikhanyise, kwaye ikhanyiswe ngemibala emithathu esisiseko yodwa, ngoko ke imibala esixhenxe eyahlukeneyo yokukhanya inokukhutshwa, ngoko ke isenzeko sezibane ezimibalabala ze-LED zivela.
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