LED teeb pom kev zoo tau dhau los ua ib qho kev xaiv rau kev teeb pom kev hauv pej xeem, chaw ua haujlwm, thiab chaw nyob. Nyob rau hauv xyoo tas los no, nws tau hloov pauv cov teeb pom kev zoo li qub vim nws txoj kev ua haujlwm ntev ntev thiab lub zog txuag. Muaj ob pawg tseem ceeb ntawm LED teeb pom kev zoo. Standard LEDs (lub teeb-emitting diodes) yog thawj, thaum SMDs (nto-mounted ntaus ntawv LEDs) yog qhov thib ob. Qhov sib txawv ntawm ob hom LED teeb pom kev zoo yuav tau tham hauv kab lus no.
Cia peb xub xyuas cov hauv paus ntsiab lus. Thaum ib qho hluav taws xob nkag mus rau LED, ib qho khoom siv hluav taws xob teeb pom kev zoo, lub teeb raug tso tawm. Cov khoom siv semiconducting uas tsim lub teeb thaum muaj hluav taws xob ntws los ntawm lawv tsim teeb pom kev zoo LED. Nws yog lub teeb pom kev siv hluav taws xob ntev ntev uas ua haujlwm tau zoo thiab siv zog. Qhov sib txawv tseem ceeb ntawm SMD thiab cov pa LEDs pom muaj nyob hauv lawv cov kev tsim kho.
Ob lub taub hau yog txuas mus rau lub hauv paus hlau hauv cov qauv LED teeb pom kev zoo, feem ntau hu ua los ntawm qhov LED. Tom qab ntawd, ob lub taub hau yog khoov thiab muab tso rau hauv qhov txuas, thiab LED nti, uas muaj txoj kab uas hla ntawm 5 hli, muab tso rau saum lub hauv paus. Cov LEDs no zoo meej rau cov ntawv thov kev lag luam uas xav tau kev siv hluav taws xob siab, tab sis lawv siv qhov chaw txuas ntxiv dua li SMD LEDs.
Nyob rau hauv sib piv, ib tug SMD LED yog ib tug nti uas yog positioned nyob rau hauv ib tug 2 hli dav board. Mounting no me me, tsawg-profile teeb ntawm cov chaw tiaj tus yog yooj yim. Vim tias SMD LED siv cov thev naus laus zis thev naus laus zis, cov chips LED tau muab tso ncaj qha rau ntawm lub rooj tsav xwm hauv Circuit Court, ua rau muaj kev sib txuam ntau dua, txo qis kev siv hluav taws xob, thiab txhim kho qhov ci ntsa iab. SMD LEDs muaj nyob rau hauv ntau cov duab thiab ntau thiab tsawg, xws li 3528, 5050, thiab 5630.
Dimensions thiab Form
Qhov loj thiab daim ntawv yog qhov sib txawv tseem ceeb ntawm SMD thiab cov pa LEDs. Vim tias SMD LEDs me dua li ntawm lub qhov LEDs, mounting lawv yuav siv sij hawm tsawg dua chav. Vim tias SMD LEDs yog tiaj tus thiab cov duab plaub, mounting lawv ntawm Circuit Court boards rau cov khoom siv hluav taws xob lossis teeb pom kev zoo yog qhov yooj yim. Txawm li cas los xij, tus qauv LED yog qhov zoo dua rau kev teeb pom kev lag luam vim nws loj dua thiab siv ntau qhov chaw mounting.
Kev siv fais fab
Piv rau cov qauv LEDs, SMD LEDs siv hluav taws xob tsawg dua. Qhov no yog vim tias tsawg zog poob thaum tshav kub thiab SMD LED ua haujlwm zoo dua ntawm kev tig lub zog rau hauv lub teeb. Yog li ntawd, SMD LED yog kev lag luam ntau dua lub sijhawm. Nyob rau tib lub teeb pom kev zoo, SMD LED siv lub zog tsawg dua thiab khiav ntawm qhov hluav taws xob qis dua li cov qauv LED. Vim li no, SMD LED yog qhov kev xaiv zoo rau cov khoom siv roj teeb, cov khoom siv hluav taws xob portable, thiab cov teeb pom kev zoo nkauj.
Luminance
Nyob rau tib lub zog siv, SMD LEDs ci dua li cov LEDs li niaj zaus. Qhov no yog vim qhov saum npoo-mount thev naus laus zis ntawm SMD LED ua rau nws tuaj yeem ua ke nrog ntau cov chips LED, uas ua rau kom ci ntsa iab. Cov qauv LEDs, ntawm qhov tod tes, yog qhov zoo tshaj plaws rau cov ntawv thov uas hu rau kev siv hluav taws xob qis vim tias lawv feem ntau muaj qis qis dua.
Kub ntawm Xim
Piv rau cov qauv LEDs, SMD LEDs yooj yim dua los hloov kho thiab kho raws li xim kub. Txias dawb, sov dawb, thiab RGB yog ntawm ob peb xim kub ntawm lub teeb uas yuav raug tsim siv SMD LED. Hloov pauv, cov qauv LEDs feem ntau muaj cov xim kub uas hloov tsis tau.
Kev ruaj khov
Ob leeg SMD thiab LEDs ib txwm siv tau ntev thiab muaj zog. SMD LEDs muaj zog dua li cov LEDs li niaj zaus, txawm li cas los xij. Qhov no yog vim SMD LED qhov kev ntxhov siab thiab kev vibration tsis kam, uas yog los ntawm kev sib koom ua ke ntawm ob peb LED chips rau hauv ib chav tsev. Nyob rau hauv sib piv, qhov raug LED yog feem ntau yuav tawg vim nws muaj kev ywj pheej qhov chaw uas raug rau txhua yam kev nyuaj siab.
Hauv cov ntsiab lus
Hauv kev xaus, txhua yam ntawm LED-tus qauv thiab SMD-muaj qhov tshwj xeeb zoo thiab qhov zoo. Standard LEDs yog qhov yooj yim rau nruab thiab zoo meej rau cov ntawv thov kev lag luam uas xav tau kev siv hluav taws xob siab. Conversely, SMD LED yog zoo meej rau cov roj teeb ua haujlwm gadgets, portable electronics, thiab ornamental illumination. Piv rau LEDs zoo tib yam, nws yog ci dua, me dua, thiab siv zog tsawg dua. Qhov kev txiav txim siab ntawm SMD LED thiab cov pa LED thaum kawg ua rau tus kheej saj thiab daim ntawv thov tshwj xeeb.
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