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Tianhui- ib tug ntawm cov ua UV LED nti manufacturers thiab lwm tus neeg muab ODM/OEM UV coj nti kev pab cuam.

Dab tsi yog Qhov Tseem Ceeb Uas cuam tshuam rau AC-dawb LED Teeb Efficiency

1. Thaum tshav kub kub dissipation tshuab Rau lub teeb-emitting diode muaj li ntawm PN, thaum lub tom ntej tam sim no ntws los ntawm PN, PN knot muaj cua sov poob. Cov calories no tau tawg mus rau hauv huab cua los ntawm kev sib txuas cov kua nplaum, cov khoom siv dej, cov cua sov, thiab lwm yam, thiab tawg mus rau saum huab cua. Nyob rau hauv cov txheej txheem no, txhua feem ntawm cov khoom muaj cua sov tiv thaiv kom tsis txhob muaj cua sov, uas yog, tshav kub tsis kam, AC-free LED thermal kuj yog tus nqi tas li txiav txim siab los ntawm cov cuab yeej loj, qauv thiab cov khoom siv. Lub thermal tsis kam ntawm lub teeb diode yog RTH (/w), thiab lub zog hluav taws xob kub yog PD (W). Lub sijhawm no, PN knot kub tshwm sim los ntawm cov cua sov poob ntawm qhov tam sim no nce mus rau: t () = Rth PD. PN knot kub yog: TJ = TARTH PD, qhov twg TA yog qhov kub thiab txias. Raws li qhov kub thiab txias ntawm cov pob caus ntawd yuav txo tau lub caij nyoog ntawm compounding PN, lub brightness ntawm lub glowing diodes yuav txo. Nyob rau tib lub sijhawm, vim qhov kub nce ntxiv los ntawm thermal poob, qhov ci ntawm lub teeb-emitting diode yuav tsis txuas ntxiv mus ntxiv nrog rau qhov tam sim no, uas yog, qhov tshwm sim ntawm thermal saturation. Tsis tas li ntawd, nrog rau qhov nce ntawm qhov kub thiab txias, lub ncov wavelength ntawm glowing tseem yuav ya mus rau qhov kev taw qhia ntawm yoj ntev, txog 0.2-0.3nm /, uas yog rau dawb AC-dawb LED los ntawm dawb AC-dawb LED los ntawm txheej YAG fluorescent hmoov los ntawm Blu-duab tshav nti. Lub drift ntawm Blu-duab tshav wavelength yuav ua rau poob qhov sib tw nrog cov hmoov fluorescent los txhawb lub wavelength, yog li txo cov teeb pom kev zoo tag nrho ntawm lub teeb dawb LED, thiab qhov kev hloov pauv ntawm lub teeb dawb xim kub. Rau lub hwj chim emitting diode, cov tsav tam sim no feem ntau yog ntau tshaj li pua millimeters. Tam sim no qhov ceev ntawm PN knot yog siab heev, yog li qhov kub thiab txias ntawm PN knot yog pom tseeb heev. Rau kev ntim khoom thiab kev siv, yuav ua li cas txo cov thermal tsis kam ntawm cov khoom, kom cov cua sov tsim los ntawm PN knot tuaj yeem tawm sai li sai tau, uas tuaj yeem tsis tsuas yog txhim kho cov saturation tam sim no ntawm cov khoom, txhim kho lub teeb pom kev zoo ntawm cov khoom. khoom, tab sis kuj txhim kho kev ntseeg siab thiab lub neej ntawm cov khoom. Txhawm rau txo cov thermal tsis kam ntawm cov khoom, kev xaiv cov khoom ntim yog qhov tseem ceeb tshwj xeeb, nrog rau cov cua sov, cov nplaum, thiab lwm yam. Lub tshav kub tsis kam ntawm txhua yam khoom siv yuav tsum tsis tshua muaj, uas yog, kev ua haujlwm kub ua haujlwm tau zoo. Qhov thib ob, tus qauv tsim yuav tsum tsim nyog. Cov thermal conductivity ntawm txhua yam khoom yog txuas ntxiv mus, thiab cov thermal conductivity ntawm cov ntaub ntawv yog qhov zoo kom tsis txhob tsim cov cua sov dissipation bottlenecks hauv thermal conductivity. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas kom meej los ntawm cov khoom siv tes ua haujlwm, cov cua sov tawm hauv lub sijhawm raws li kev tsim ua ntej-tsim cua sov dissipation channel. 2. Kev xaiv ntawm cov kua nplaum raws li txoj cai ntawm refraction, thaum lub teeb yog tshwm sim los ntawm lub teeb tawm mus rau lub teeb sparse nruab nrab, thaum lub teeb meem lub kaum sab xis mus txog ib tug tej yam nqi, uas yog, thaum lub kaum sab xis tseem ceeb yog ntau dua lub kaum sab xis tseem ceeb, kev tso tawm tag nrho yuav tshwm sim. Nyob rau hauv cov nqe lus ntawm GAN xiav nti, lub refractive index ntawm GAN cov ntaub ntawv yog 2.3. Thaum lub teeb raug txhaj tshuaj los ntawm cov siv lead ua rau saum huab cua, raws li txoj cai ntawm refraction, lub kaum sab xis tseem ceeb 0 = sin-(n2/n1) yog qhov ntsuas qhov cuam tshuam, N1 yog qhov ntsuas qhov ntsuas ntawm GAN, yog li xam lub kaum sab xis tseem ceeb 0. txog 25.8 degrees. Nyob rau hauv rooj plaub no, tsuas yog qhov xwm txheej kaum 25.8 degrees nyob rau hauv lub kaum sab xis peb-seem ntawm qhov chaw nyob rau hauv lub kaum sab xis peb-seem ntawm qhov chaw. Tam sim no, sab nraud quantum efficiency ntawm GAN nti yog li 30% -40%. Yog li ntawd, vim kev nqus sab hauv ntawm cov nti siv lead ua nqus, qhov kev faib ua feem ntawm lub teeb pom kev rau sab nraud ntawm cov siv lead ua yog me heev. Raws li cov lus ceeb toom, qhov kev ua tau zoo sab nraud ntawm GAN nti yog tam sim no nyob ib puag ncig 30% -40%. Ib yam li ntawd, lub teeb tawm los ntawm cov nti yuav tsum tau xa mus rau qhov chaw los ntawm cov khoom ntim, thiab qhov cuam tshuam ntawm cov khoom siv rau lub teeb pom kev zoo ntawm cov khoom yuav tsum raug txiav txim siab. Yog li ntawd, txhawm rau txhim kho lub teeb pom kev zoo ntawm AC-dawb LED cov khoom ntim, tus nqi ntawm N2 yuav tsum tau nce ntxiv, uas yog, qhov ntsuas qhov ntsuas ntawm cov khoom ntim los txhim kho lub kaum ntse ntse ntawm cov khoom, yog li txhim kho cov khoom ntim teeb pom kev zoo. efficiency. Nyob rau tib lub sijhawm, qhov nqus ntawm cov khoom siv teeb pom kev zoo rau cov khoom ntim yuav tsum me me. Yuav kom nce qhov sib npaug ntawm lub teeb tawm ntawm lub teeb, cov duab ntawm lub ntim yog arched lossis hemispherical. Nyob rau hauv txoj kev no, thaum lub teeb raug tua los ntawm cov khoom ntim rau saum huab cua, nws yuav luag vertically tua rau lub interface, yog li tsis muaj kev xav txog tag nrho yuav raug tsim. 3. Muaj ob yam tseem ceeb ntawm kev kho qhov kev xav ntawm kev xav txog kev kho mob. Ib qho yog kev kho kev xav hauv lub nti, thiab lwm qhov yog qhov cuam tshuam ntawm cov khoom ntim rau lub teeb. Los ntawm qhov kev xav ntawm sab hauv thiab sab nraud, nws yuav ua rau kom muaj feem cuam tshuam ntawm cov khoom siv kho qhov muag los ntawm cov nti sab hauv, txo qhov nqus sab hauv ntawm cov nti, txhim kho lub zog AC-free LED tiav cov khoom teeb pom kev zoo. Nyob rau hauv cov nqe lus ntawm ntim, lub hwj chim -type LEDs feem ntau sib sau ua ke lub hwj chim -type nti ntawm ib tug hlau bracket los yog substrate nrog ib tug reflective kab noj hniav. Lub bracket -type reflex kab noj hniav feem ntau siv cov electroplating los txhim kho qhov cuam tshuam. Cov txheej txheem, kev kho electroplating kuj tau ua, tab sis ob txoj kev saum toj no cuam tshuam los ntawm pwm raug thiab txheej txheem. Tam sim no, lub hauv paus reflex kab noj hniav ntawm ib hom ntawv, vim tsis txaus polishing raug los yog oxidation ntawm cov hlau txheej, cov nyhuv reflex tsis zoo, uas tau ua rau ntau lub teeb kom absorbed tom qab lub reflection cheeb tsam ejected, thiab nws. tsis tuaj yeem cuam tshuam rau lub teeb saum npoo ntawm lub hom phiaj xav tau, uas ua rau kom ncav cuag lub hom phiaj xav tau, uas ua rau kom ncav cuag lub hom phiaj xav tau, uas ua rau kom ncav cuag kev ncav cuag lub hom phiaj, uas ua rau kom ncav cuag kom ncav cuag lub hom phiaj xav tau, uas ua rau kom ncav cuag kom ncav cuag lub hom phiaj xav tau, uas ua rau kom ncav cuag kom ncav cuag lub hom phiaj xav tau, uas ua rau kom ncav cuag kom ncav cuag. lub hom phiaj xav tau, nws yuav ua rau kom ncav cuag kom ncav cuag Lub teeb pom kev zoo tom qab ntim khoom tsawg. Peb tau tsim cov txheej txheem kho reflex nrog cov khoom siv organic txheej nrog kev ywj pheej ntawm cov tswv cuab kev txawj ntse nrog cov cuab yeej txawj ntse ywj pheej tom qab ntau qhov kev tshawb fawb thiab kev sim. Lub teeb txhaj tshuaj saum toj no qhia txog ntawm lub teeb. Kev ua tau zoo ntawm cov khoom tom qab ua tiav tuaj yeem nce 30% -50% piv rau kev ua haujlwm. Lub teeb nyhuv ntawm peb tam sim no 1W dawb lub teeb lub zog LED tuaj yeem ncav cuag 40-50LM / W (cov txiaj ntsig ntawm qhov kev ncua deb PMS-50 spectrum tsom xam ntsuas ntsuas), thiab tau txais cov txiaj ntsig zoo. 4. Nyob rau hauv cov nqe lus ntawm lub hwj chim dawb AC-dawb LED, kev txhim kho lub teeb lub zog AC kuj muaj feem xyuam rau kev xaiv thiab txheej txheem ntawm fluorescent hmoov. Txhawm rau txhim kho qhov ua tau zoo ntawm cov hmoov fluorescent los txhawb cov nti xiav, ua ntej ntawm tag nrho cov, kev xaiv cov hmoov fluorescent yuav tsum tsim nyog, nrog rau kev txhawb zog wavelength, particle loj, thiab kev tshoov siab efficiency. Thib ob, cov txheej ntawm cov hmoov fluorescent yuav tsum tau muab sib npaug, thiab cov tuab ntawm txhua lub luminous nti nrog cov luminous nti yog tuab tuab, yog li tsis txhob ua rau lub teeb hauv zos tsis tuaj yeem raug tua vim qhov tuab tsis sib xws. Kev tsim hluav taws xob zoo ua kom muaj txiaj ntsig zoo rau kev txhim kho lub zog-dawb LED khoom teeb pom kev zoo, thiab nws tseem yog qhov yuav tsum tau ua ua ntej kom ntseeg tau cov khoom lag luam thiab kev ntseeg tau. Thiab qhov zoo-tsim teeb pom kev zoo channel, ntawm no yog xa mus rau cov qauv tsim, xaiv cov khoom siv thiab cov txheej txheem ntawm kev xav txog kab noj hniav, txhaws kua nplaum, thiab lwm yam, uas tuaj yeem txhim kho lub teeb pom kev zoo ntawm lub zog-hom LED. Rau lub zog-raws li lub teeb dawb LED, kev xaiv thiab txheej txheem tsim ntawm fluorescent hmoov kuj tseem ceeb heev los txhim kho kev txhim kho ntawm lub teeb pom kev zoo thiab txhim kho cov teeb pom kev zoo.

Dab tsi yog Qhov Tseem Ceeb Uas cuam tshuam rau AC-dawb LED Teeb Efficiency 1

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Kev tiv thaiv ntawm kev sib txuas ntawm cov khoom siv hluav taws xob hauv Circuit Court tau dhau los ua neeg nyiam, tshwj xeeb tshaj yog qee qhov kev lag luam hluav taws xob uas yuav tsum tau ua ntau dua. Tus tiv thaiv
Tsis muaj ntaub ntawv
ib qho ntawm cov kws tshaj lij UV LED lwm tus neeg nyob hauv Suav teb
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