Tus tsav tsheb LED yog lub zog tswj hluav taws xob cov khoom siv hluav taws xob uas tsav LEDs kom tawm lub teeb lossis ua kom lub cev ua haujlwm ntawm LED module Cheebtsam. Vim yog cov yam ntxwv ntawm kev coj ua ntawm LED PN kev sib tshuam, nws tsuas tuaj yeem hloov mus rau qhov nqaim heev ntawm qhov hluav taws xob thiab qhov hloov pauv tam sim no. Kev sib txawv me ntsis tuaj yeem tiv thaiv LED los ntawm teeb pom kev zoo, txo qis kev ua haujlwm zoo, ua kom nws lub neej luv, lossis tseem hlawv tawm ntawm lub nti. Cov khoom siv hluav taws xob tam sim no thiab cov khoom siv roj teeb uas siv hluav taws xob tsis haum rau kev xa hluav taws xob ncaj qha rau LEDs. Tus tsav tsheb LED yog cov khoom siv hluav taws xob uas tsav LEDs ua haujlwm nyob rau hauv qhov kev pom zoo voltage lossis tam sim no.
Vim tias daim ntawv thov LED pom muaj nyob rau hauv yuav luag txhua qhov chaw ntawm cov khoom siv hluav taws xob, qhov kev hloov pauv hauv kev siv lub teeb ci, xim, thiab kev tswj / tawm yuav luag tsis tuaj yeem pom. Yog li ntawd, LED tsav tsheb yog qhov tseem ceeb ntawm ib qho - rau - ib qho khoom siv servo, uas ua rau muaj ntau haiv neeg ntawm cov khoom siv. Tus tsav tsheb LED yooj yim tshaj plaws (yog tias nws tuaj yeem hu ua qhov ntawd) tej zaum yuav yog ib lossis ob peb lub koob-cov resistors thiab capacitors faib tam sim no thiab voltage hauv Circuit Court; nws tsis yog ib qho khoom muag. Rau ntau cov ntawv thov kev lag luam uas xav tau cov khoom siv hluav taws xob tsis tu ncua thiab qhov hluav taws xob tsis tu ncua, cov txheej txheem kev daws teeb meem nrog cov kev tswj hwm lub zog muaj peev xwm raug tsim. Kev ua raws li cov kev daws teeb meem no feem ntau yuav tsum muaj kev tsim qauv hauv Circuit Court, qhov tseem ceeb ntawm cov lus nyob hauv kev sib koom ua ke ntawm LED tsav ICs. Los ntawm kev ntxiv cov kev txhawb nqa sib txawv nyob ib ncig ntawm LED tsav tsheb IC, kev daws teeb meem rau ntau yam LED daim ntawv thov tuaj yeem tsim tau, xws li cov ntawv me me -scale daim ntawv thov xws li lub xov tooj ntawm tes zaub backlights thiab khawm teeb pom kev zoo tsav tsheb mus rau qhov loj - nplai daim ntawv thov xws li siab- lub zog LED txoj kev teeb thiab loj sab nraum zoov LED zaub.
Kev tsim thiab muab cov khoom siv ntau dua - lub zog LED tsav tsheb feem ntau yog tswj hwm los ntawm cov tuam txhab tshwj xeeb. Cov tuam txhab no mam li rov ntim lawv rau hauv cov qauv thiab muab lawv rau LED kawg - thov cov khoom lag luam. Txawm li cas los xij, tus tsav tsheb tsim kom tsawg dua LED kawg- cov khoom siv yuav xav tau hauv - tsev tsim. Qhov no dhau los ua qhov tseem ceeb thiab thev naus laus zis thev naus laus zis ntawm LED kawg- cov khoom siv. Vim tias LED, raws li cov khoom ntim khoom, yog nce, nws cov kev ua haujlwm tau raug kho nyob rau hauv cov khoom LED. Rau qhov teeb pom kev zoo, tsim kom muaj qhov kawg nkaus - daim ntawv thov LED cov khoom tso tawm me me rau kev txhim kho tshaj qhov tsom mus rau LED txoj haujlwm tsav tsheb.
Vim qhov tshwj xeeb tseem ceeb ntawm LED tsav tsheb hauv LED daim ntawv thov thiab cov neeg siv khoom xav tau ntau, LED tsav IC, raws li lub plawv ntawm LED tsav tsheb, tau dhau los ua lub hauv paus tseem ceeb hauv tag nrho cov txheej txheem thev naus laus zis. Qhov no tau ua rau ntau lub tuam txhab, suav nrog ntau lub tuam txhab teev npe, ua kom cov tsav tsheb LED lawv cov khoom tseem ceeb, muab cov khoom loj ntawm LED tsav ICs rau kev lag luam hauv qab. Cov no suav nrog cov tuam txhab xws li Hangzhou Silan Microelectronics, Shenzhen Quancore Electronics, Shenzhen Guanghua Yuan Technology, Shenzhen Guowei Electronics, thiab CR Silicon Power, nrog rau cov tuam txhab Taiwanese xws li Pointchip Technology, Macroblock Technology, Guangpeng Technology, Taijing Technology, Feihong, Motech, thiab Yuanchuang. Ntau lub tuam txhab Asmeskas tseem tuav cov thawj coj kev lag luam hauv daim teb no, xws li National Semiconductor, Maxim Integrated, Texas Instruments, ON Semiconductor, Linear Technology, thiab Fairchild Semiconductor.
LED tsav tsheb fais fab mov yog lub tshuab hluav taws xob hloov hluav taws xob uas hloov cov khoom siv hluav taws xob rau hauv ib qho hluav taws xob tshwj xeeb thiab tam sim no los tsav lub LED kom tawm lub teeb. Feem ntau, cov tswv yim rau LED tsav lub zog muaj xws li siab-voltage AC (lub zog tseem ceeb), qis-voltage DC, siab-voltage DC, thiab qis-voltage siab- zaus AC (xws li cov zis ntawm hluav taws xob transformer). Cov zis ntawm LED tsav tsheb fais fab mov feem ntau yog qhov chaw tam sim no uas nws qhov hluav taws xob hloov pauv raws li lub zog hluav taws xob poob ntawm LED.
