Qhov sib txawv tseem ceeb thiab kev siv ntawm LED diodes thiab cov diodes zoo tib yam

1, Lub ntsiab sib txawv ntawm LED diodes thiab zoo tib yam diodes
Lub hauv paus ntsiab lus ua haujlwm thiab cov qauv sib txawv
LED diode: Lub hauv paus ntawm LED diode nyob hauv nws cov qauv PN tshwj xeeb. Thaum ib qho hluav taws xob xa mus rau LED, cov hluav taws xob ntws los ntawm N- hom semiconductor cheeb tsam mus rau P- hom semiconductor cheeb tsam, recombine nrog qhov, thiab tso tawm lub zog. Lub zog no yog tawm hauv daim ntawv ntawm lub teeb, hu ua electroluminescence. LED muaj kev ua haujlwm siab luminous thiab kev siv hluav taws xob tsawg, thiab nrog kev txhim kho thev naus laus zis, nws cov xim luminous thiab ci tuaj yeem ua tiav los ntawm kev kho cov ntaub ntawv thiab cov khoom siv doping.
Ordinary diode: Ordinary diodes kuj muaj PN qauv, tab sis lawv lub luag haujlwm tseem ceeb yog unidirectional conduction. Thaum siv hluav taws xob rau pem hauv ntej, lub diode ua haujlwm; Thaum siv qhov hluav taws xob rov qab, lub diode raug kaw, thiab qhov rov qab tawg tsuas yog tshwm sim thaum qhov hluav taws xob rov qab tshaj li qhov pib. Cov qauv ntawm cov diodes zoo tib yam yog qhov yooj yim, feem ntau yog siv hauv circuits xws li rectification, detection, thiab voltage stabilization.
Cov yam ntxwv sib piv
Cov yam ntxwv luminous: Qhov tseem ceeb tshaj plaws ntawm LED diodes yog lawv lub peev xwm los tawm lub teeb, nrog kev ua haujlwm siab luminous, lub neej ntev, thiab nplua nuj xim, xws li infrared mus rau ultraviolet, thiab txawm tias lub teeb dawb. Qhov no ua rau LED dav siv hauv teeb pom kev zoo, zaub, backlight thiab lwm yam.
Cov yam ntxwv hluav taws xob: Ordinary diodes them ntau xim rau lawv cov unidirectional conductivity thiab thim rov qab voltage. Hauv rectifier circuits, cov diodes zoo tib yam tuaj yeem hloov pauv tam sim no mus rau qhov tam sim no ncaj qha; Nyob rau hauv lub voltage regulator Circuit Court, nws muaj peev xwm tswj tau qhov stability ntawm cov zis voltage.
Cov ntaub ntawv thiab daim ntawv thov teb
Cov khoom siv: LED diodes feem ntau siv cov khoom siv semiconductor uas tuaj yeem tawm lub teeb, xws li gallium nitride (GaN), gallium arsenide (GaAs), thiab lwm yam. Ordinary diodes, ntawm qhov tod tes, siv ntau cov khoom siv semiconductor xws li silicon (Si) lossis germanium (Ge).
Daim ntawv thov thaj chaw: LED diodes tau dav siv hauv teeb pom kev zoo, tso saib, qhia, kev sib txuas lus thiab lwm yam haujlwm vim lawv lub teeb tshwj xeeb -emitting yam ntxwv. Ordinary diodes feem ntau yog siv nyob rau hauv rectification circuits, voltage stabilization circuits, nrhiav kom tau circuits, thiab hais txog.
2, Daim ntawv thov ntawm LED diodes thiab zoo tib yam diodes
Kev siv ntawm LED diodes
Teeb pom kev zoo: LED diodes tau maj mam hloov cov teeb pom kev zoo ib txwm muaj vim lawv cov kev ua haujlwm siab, kev phooj ywg ib puag ncig, thiab kev ua neej ntev. Txawm hais tias nws yog teeb pom kev zoo sab hauv tsev, sab nraum zoov teeb pom kev zoo, theem teeb pom kev zoo, lossis teeb pom kev hauv nroog, LED tau ua kom pom kev ua tau zoo.
Zaub: LED kuj tau siv dav hauv thaj chaw ntawm cov zaub, muab cov teeb pom kev pom tseeb thiab ci ntsa iab los ntawm cov teeb pom kev yooj yim mus rau cov ntxaij vab tshaus xim. Tsis tas li ntawd, LEDs tseem tuaj yeem ua qhov chaw teeb pom kev zoo rau LCD, txhim kho lawv qhov ci thiab xim saturation.
Kev taw qhia thiab kev sib txuas lus: Hauv cov cuab yeej hluav taws xob thiab cov cuab yeej siv, LEDs feem ntau siv los ua lub zog taw qhia teeb, ntsuas roj teeb, lossis qhov chaw teeb pom kev tsawg. Lub caij no, LEDs kuj muaj cov ntawv thov hauv kev sib txuas lus, xws li infrared emitters rau kev xa cov ntaub ntawv wireless.
Kev siv cov diodes zoo tib yam
Rectification circuit: Ordinary diodes yog dav siv nyob rau hauv rectification circuits, uas muaj peev xwm hloov AC zog mus rau hauv DC zog thiab muab DC ruaj khov zog rau ntau yam khoom siv hluav taws xob.
Voltage regulator Circuit Court: Nyob rau hauv lub voltage regulator Circuit Court, zoo tib yam diodes muaj peev xwm tswj tau cov zis voltage ruaj khov thiab tiv thaiv voltage fluctuations los ntawm kev puas tsuaj rau cov khoom siv hluav taws xob.
Hloov Circuit Court: Los ntawm kev siv lub unidirectional conductivity ntawm diodes, ib tug switching circuit tuaj yeem tsim ua kom tiav ntawm -tawm tswj ntawm lub circuit.
Kev tiv thaiv Circuit Court: Hauv cov hluav taws xob hluav taws xob, cov diodes zoo tib yam kuj tuaj yeem siv los ua cov khoom tiv thaiv, xws li rov qab tiv thaiv diodes, los tiv thaiv kev puas tsuaj rau Circuit Court los ntawm kev sib txuas ntawm hluav taws xob rov qab.

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