Kev cuam tshuam ntawm kev sib txawv ntawm kev kho mob ntawm kev ua haujlwm ntawm LEDs Encapsulated nrog Epoxy Resin

 

LED (Lub Teeb Emitting Diode), raws li qhov ua tau zoo, txuag hluav taws xob, thiab kav ntev lub teeb semiconductor, tau siv dav hauv ntau qhov chaw xws li teeb pom kev zoo, zaub, thiab kev sib txuas lus. Epoxy resin tau dhau los ua cov khoom siv feem ntau hauv LED encapsulation vim nws cov khoom zoo heev, nrog rau qhov pom kev pom zoo, rwb thaiv tsev, lub zog txhua yam, thiab tshuaj tiv thaiv corrosion. Txawm li cas los xij, cov txheej txheem kho ntawm epoxy resin muaj qhov cuam tshuam tseem ceeb rau kev ua haujlwm ntawm LEDs. Cov kev kho mob sib txawv tuaj yeem hloov kho lub xeev kho thiab cov khoom kawg ntawm epoxy resin, yog li cuam tshuam rau tag nrho cov kev ua tau zoo ntawm LEDs. Yog li ntawd, ib tug meej kev kawm ntawm lub hwj chim ntawm txawv curing tej yam kev mob ntawm kev ua tau zoo ntawm LEDs encapsulated nrog epoxy resin yog qhov tseem ceeb heev rau kev txhim kho qhov zoo ntawm LED cov khoom thiab optimizing cov txheej txheem encapsulation.

Kev cuam tshuam ntawm Curing Conditions ntawm Curing Reaction ntawm Epoxy Resin

1. Influence ntawm Kub

Qhov kub thiab txias yog ib qho tseem ceeb cuam tshuam rau kev kho cov tshuaj tiv thaiv ntawm epoxy resin. Cov tshuaj tiv thaiv ntawm epoxy resin thiab tus neeg sawv cev kho yog cov tshuaj tiv thaiv exothermic. Qhov kub thiab txias yuav ua rau cov tshuaj tiv thaiv kom nrawm. Nyob rau hauv ib tug tej yam ntau yam, ib tug ntau dua kub intensifies lub molecular thermal zog, ua rau muaj kev sib tsoo zaus thiab qhov tshwm sim ntawm kev sib tsoo zoo ntawm cov curing agent molecules thiab cov epoxy resin molecules, yog li ceev cov kev kawm ntawm cov tshuaj tiv thaiv curing. Piv txwv li, rau cov hom bisphenol A hom epoxy resin thiab amine curing tus neeg sawv cev, tsim nyog ua kom qhov kub thiab txias tuaj yeem txo lub sijhawm kho. Txawm li cas los xij, yog tias qhov kub thiab txias dhau lawm, cov tshuaj tiv thaiv kev kho yuav mob siab heev, ua rau cov tshuaj tiv thaiv nyuaj rau kev tswj, ua kom muaj kev ntxhov siab sab hauv, thiab txawm tias ua rau cov epoxy resin decomposition thiab poob ntawm nws cov kev ua tau zoo. Hloov pauv, yog tias qhov kub thiab txias qis dhau, qhov kev kho cov tshuaj tiv thaiv yuav qeeb dhau, ua rau kev kho tsis tiav thiab cuam tshuam rau hardness, lub zog, thiab lwm yam khoom ntawm epoxy resin.

2. Influence ntawm Sijhawm

Lub sijhawm curing yog ze ze rau qhov kub thiab txias. Ntawm qhov kub thiab txias, lub sijhawm txaus yuav tsum tau ua kom ntseeg tau tias cov epoxy resin thiab tus neeg sawv cev kho tau ua tiav kom ua tiav lub xeev kho kom tiav. Raws li lub sij hawm kho kom zoo, qhov kev sib txuas ntawm kev sib txuas ntawm cov epoxy resin maj mam txhim kho, thiab ntau cov tshuaj sib txuas tau tsim ntawm cov saw hlau molecular, yog li maj mam txhim kho cov khoom ntawm epoxy resin xws li hardness, zog, thiab modulus. Txawm li cas los xij, thaum lub sij hawm kho mus txog ib qho twg, kev txhim kho ntawm cov khoom ntawm epoxy resin nyhav rau theem. Kev txuas ntxiv mus rau lub sijhawm curing tsis tshua muaj txiaj ntsig rau kev txhim kho cov khoom tab sis yuav txo qis kev tsim khoom. Yog li, kev txiav txim siab lub sijhawm kho kom tsim nyog yog qhov tseem ceeb rau kev ua kom cov khoom ntawm epoxy resin thiab cov khoom siv tau zoo.

3. Kev cuam tshuam ntawm Humidity

Humidity kuj muaj qee yam cuam tshuam rau kev kho cov tshuaj tiv thaiv ntawm epoxy resin. Nyob rau hauv ib qho chaw ntub dej, noo noo tuaj yeem koom nrog kev kho cov tshuaj tiv thaiv ntawm epoxy resin, hloov cov tshuaj tiv thaiv mechanism thiab cov qauv ntawm cov khoom. Ntawm qhov tod tes, cov dej noo tuaj yeem cuam tshuam nrog tus neeg sawv cev kho, siv ib feem ntawm tus neeg sawv cev kho thiab ua rau kev kho tsis tiav. Ntawm qhov tod tes, cov dej noo tuaj yeem tsim cov npuas me me lossis qhov pores hauv epoxy resin, txo cov compactness thiab cov khoom ntawm epoxy resin. Tsis tas li ntawd, cov av noo kuj tseem cuam tshuam rau qhov chaw ntawm cov khoom ntawm epoxy resin, xws li nto nro thiab wettability, thiab yog li cuam tshuam nws lub zog sib txuas nrog LED nti thiab lwm yam ntaub ntawv encapsulation.

 

Kev cuam tshuam ntawm Curing Conditions ntawm Optical Properties ntawm LEDs

1. Influence ntawm Luminous Intensity

Qhov curing degree ntawm epoxy resin ncaj qha cuam tshuam rau nws qhov pom kev pom, thiab yog li cuam tshuam rau qhov luminous siv ntawm LEDs. Yog tias qhov kho tsis tiav, muaj cov molecules uas tsis muaj kev cuam tshuam thiab cov voids hauv epoxy resin, uas yuav ua rau muaj kev nce hauv kev tawg thiab nqus ntawm lub teeb, yog li txo cov luminous siv ntawm LEDs. Hloov pauv, kho kom zoo thiab ntom ntom epoxy resin tuaj yeem ua lub teeb zoo dua, txo lub teeb poob thiab ua kom lub teeb ci ntsa iab ntawm LEDs. Tsis tas li ntawd, qhov kev ntxhov siab sab hauv los ntawm kev kho tsis raug cai kuj tseem tuaj yeem hloov kho qhov muag ntawm epoxy resin, xws li tsim cov phenomenon birefringence, uas cuam tshuam rau kev nthuav tawm cov kev taw qhia thiab kev siv zog ntawm lub teeb.

2. Influence ntawm Xim Consistency

Cov kab mob sib txawv tuaj yeem ua rau muaj kev hloov pauv ntawm qhov ntsuas qhov ntsuas ntawm epoxy resin, yog li cuam tshuam cov xim sib xws ntawm LEDs. Thaum lub refractive Performance index ntawm epoxy resin tsis sib xws, lub teeb ntawm cov wavelengths sib txawv yuav dhau mus rau qhov sib txawv ntawm refraction thiab tawg thaum propagating hauv epoxy resin, uas ua rau xim sib txawv. Piv txwv li, yog tias qhov kub thiab txias dhau los yog lub sijhawm kho lub sijhawm ntev dhau, qhov sib txuas ntawm qhov sib txuas ntawm cov epoxy resin tuaj yeem loj dhau, ua rau qhov ntsuas qhov cuam tshuam, thiab yog li ua rau cov xim ntawm LEDs hloov mus rau qhov kev taw qhia luv luv. Thaum cov av noo siab, muaj cov dej noo nyob rau hauv epoxy resin yuav txo nws cov refractive index, ua rau cov xim hloov mus rau qhov ntev-yoj kev taw qhia.

3. Influence on Light Decay

Lub teeb lwj yog ib qho ntawm cov cim tseem ceeb rau kev ntsuas lub neej kev pab cuam ntawm LEDs. Kev kho tsis raug cai yuav ua rau txo qis kev ruaj ntseg ntawm epoxy resin, ua rau nws muaj kev cuam tshuam ntau dua rau kev cuam tshuam ntawm lwm qhov chaw ib puag ncig (xws li kub, av noo, ultraviolet rays, thiab lwm yam) thaum siv mus ntev, yog li ua kom lub teeb lwj. Piv txwv li, ib qho kev kho tsis tiav epoxy resin yog qhov ua rau degradation thiab kev laus nyob rau hauv qhov kub thiab txias thiab ultraviolet hluav taws xob, ua rau nws maj mam deterioration ntawm nws cov khoom kho qhov muag thiab acceleration ntawm lub teeb lwj. Txawm li cas los xij, kev kho kom tsim nyog tuaj yeem ua rau cov epoxy resin los tsim cov qauv sib txuas ruaj khov, txhim kho nws cov kev ua haujlwm tiv thaiv kev laus thiab ua kom qeeb ntawm lub teeb lwj.

 

Kev cuam tshuam ntawm Curing Conditions ntawm Cov Khoom Hluav Taws Xob ntawm LEDs

1. Influence ntawm rwb thaiv tsev Performance

Raws li cov khoom siv insulating rau LED encapsulation, kev kho lub xeev ntawm epoxy resin muaj qhov cuam tshuam tseem ceeb ntawm kev rwb thaiv tsev ntawm LEDs. Yog tias qhov kev kho tsis tiav, muaj cov pab pawg tsis muaj zog thiab cov voids hauv cov epoxy resin, uas yuav txo tau nws cov rwb thaiv tsev thiab ua rau muaj kev pheej hmoo ntawm to. Tsis tas li ntawd, cov av noo kuj tseem muaj feem cuam tshuam rau kev ua haujlwm rwb thaiv tsev ntawm epoxy resin. Rau cov epoxy resin kho nyob rau hauv ib qho chaw ntub dej, qhov muaj ntawm noo noo yuav ntxiv txo nws cov rwb thaiv tsev kev ua tau zoo. Conversely, ib tug tag nrho kho thiab ntom epoxy resin muaj zoo rwb thaiv tsev kev ua tau zoo, uas muaj peev xwm zoo cais cov LED nti los ntawm lub sab nraud Circuit Court thiab xyuas kom meej cov kev ua haujlwm ntawm LEDs.

2. Influence ntawm Hluav Taws Xob Parameters

Kev hloov pauv hauv kev kho mob tuaj yeem cuam tshuam rau cov hluav taws xob tsis zoo ntawm LEDs, xws li cov hluav taws xob rau pem hauv ntej thiab thim rov qab tam sim no. Ib qho kev kho tsis tiav lossis kev ntxhov siab epoxy resin tuaj yeem ua rau muaj kev ntxhov siab ntawm cov khoom siv ntawm LED nti, ua rau muaj kev cuam tshuam ntawm cov qauv lattice hauv cov nti, thiab yog li cuam tshuam rau nws cov khoom siv hluav taws xob. Piv txwv li, cov neeg kho tshuab kev ntxhov siab yuav hloov cov yam ntxwv ntawm PN hlws ris ntawm LED nti, uas ua rau muaj kev nce rau hauv pem hauv ntej voltage los yog nce nyob rau hauv rov qab to tam sim no. Tsis tas li ntawd, kev kho tsis zoo kuj tseem tuaj yeem cuam tshuam rau kev sib cuag ntawm lub ntsej muag ntawm epoxy resin thiab LED nti, thiab yog li cuam tshuam rau kev ua haujlwm hluav taws xob ntawm LEDs.

 

Kev cuam tshuam ntawm Curing Conditions ntawm Thermal Properties ntawm LEDs

1. Influence ntawm Thaum tshav kub kub Dissipation Performance

Cov cua kub ntau yog tsim thaum cov LEDs ua haujlwm, thiab kev ua haujlwm zoo thaum tshav kub kub dissipation yog qhov tseem ceeb rau kev ua haujlwm thiab kev ua neej ntawm lub neej. LEDs encapsulated nrog epoxy resin. Lub thermal conductivity ntawm epoxy resin yog ze ze rau nws lub xeev kho. Ib qho kho tsis tiav epoxy resin muaj ntau qhov khoob thiab qhov tsis xws luag hauv, uas yuav txo nws cov thermal conductivity thiab cuam tshuam qhov kev ua ntawm tshav kub. Tsis tas li ntawd, thaum cov av noo siab, qhov muaj cov dej noo hauv epoxy resin yuav txo nws cov thermal conductivity vim tias cov thermal conductivity ntawm cov dej yog qis dua li ntawm epoxy resin. Conversely, ib tug tag nrho kho thiab ntom epoxy resin muaj ib tug ntau dua thermal conductivity, uas muaj peev xwm ua tau zoo dua lub tshav kub generated los ntawm LED nti, txo lub nti kub, thiab txhim kho thermal stability ntawm LEDs.

2. Kev cuam tshuam ntawm Coefficient ntawm Thermal Expansion

Qhov tsis sib haum ntawm cov coefficients ntawm thermal expansion ntawm LED nti, epoxy resin, thiab lwm yam ntaub ntawv encapsulation yuav ua rau lub cim ntawm thermal stress thaum kub hloov, yog li cuam tshuam rau kev ua tau zoo thiab kev ntseeg siab ntawm LEDs. Cov txheej txheem kho yuav cuam tshuam rau coefficient ntawm thermal expansion ntawm epoxy resin. Feem ntau hais lus, qhov siab dua qhov curing degree, ntau dua qhov sib txuas ntawm qhov sib txuas ntawm epoxy resin, thiab qhov me dua nws cov coefficient ntawm thermal expansion. Yog tias qhov kev kho mob tsis tsim nyog, cov coefficient ntawm thermal expansion ntawm epoxy resin yuav txawv heev ntawm LED nti thiab lwm yam ntaub ntawv encapsulation. Thaum qhov kub hloov pauv, ntau qhov kev ntxhov siab thermal yuav raug tsim, uas yuav ua rau tawg ntawm qhov sib cuam tshuam ntawm cov nti thiab cov epoxy resin, thiab txawm tias cov nti puas.

 

Kev cuam tshuam ntawm Curing Conditions ntawm Mechanical Properties ntawm LEDs

1. Influence rau Hardness thiab Strength

Cov kev kho mob ncaj qha txiav txim siab txog kev sib txuas ntawm cov epoxy resin, thiab kev sib txuas ntawm cov khoom sib txuas yog ze ze rau qhov hardness thiab lub zog ntawm epoxy resin. Kho cov epoxy resin ntawm qhov tsim nyog kub thiab lub sijhawm tuaj yeem ua rau nws tsim cov qauv sib txuas txaus, maj mam nce nws qhov tawv thiab lub zog. Txawm li cas los xij, yog tias qhov kub thiab txias dhau los yog lub sijhawm ntev dhau, cov epoxy resin tuaj yeem kho ntau dhau, ua rau kev sib txuas ntawm nws cov saw hlau molecular ntau dhau, nce brittleness. Txawm hais tias lub hardness thiab lub zog yog nce mus rau ib qho twg, lub toughness txo, thiab nws yog nquag tawg. Hloov pauv, kho tsis tiav epoxy resin muaj qhov nyuaj thiab lub zog thiab tsis tuaj yeem tiv thaiv LED nti zoo.

2. Influence rau Impact Resistance

Cov LEDs tuaj yeem raug cuam tshuam rau kev siv tshuab thaum siv, yog li kev cuam tshuam ntawm lawv cov ntaub ntawv encapsulation tseem ceeb heev. Kev kho mob tsim nyog tuaj yeem ua rau cov epoxy resin zoo toughness thiab lub zog, ua kom nws nqus tau zoo thiab cuam tshuam lub zog cuam tshuam thiab tiv thaiv LED nti los ntawm kev puas tsuaj. Txawm li cas los xij, vim muaj qhov tsis xws luag thiab tsis sib xws ntawm nws cov qauv sab hauv, qhov kho tsis zoo epoxy resin yog qhov ua rau tawg tawm thiab tawg thaum raug cuam tshuam, txo qhov cuam tshuam ntawm LEDs.

xaus

Hauv kev xaus, kev kho mob xws li qhov kub thiab txias, lub sijhawm, thiab cov av noo muaj ntau yam cuam tshuam rau kev ua haujlwm ntawm LEDs encapsulated nrog epoxy resin. Thaum lub sij hawm LED encapsulation txheej txheem, tsim nyog tswj cov kev kho mob yog tus yuam sij kom ntseeg tau qhov kev ua tau zoo thiab kev cia siab ntawm cov LEDs. Yuav kom tau txais qhov zoo tshaj plaws LED kev ua tau zoo, nws yog ib qho tsim nyog yuav tsum tau ua kom zoo dua qhov tsis xws li qhov kub thiab txias, lub sijhawm, thiab cov av noo raws li cov yam ntxwv ntawm epoxy resin thiab cov qauv tsim ntawm LEDs, thiaj li ua tiav kev kho tiav ntawm epoxy resin thiab kev ua haujlwm zoo. Nyob rau tib lub sijhawm, nws tseem yuav tsum tau kawm ntxiv txog kev sib raug zoo ntawm kev kho mob, kho cov tshuaj tiv thaiv ntawm epoxy resin, thiab kev ua haujlwm ntawm LEDs, thiab txuas ntxiv tshawb xyuas cov txheej txheem kho tshiab thiab thev naus laus zis kom ua tau raws li qhov ua tau zoo thiab kev ua tau zoo ntawm cov khoom siv LED. Nyob rau hauv lub neej yav tom ntej, nrog kev txhim kho txuas ntxiv ntawm LED thev naus laus zis thiab kev nthuav dav ntawm nws daim ntawv thov kev lag luam, kev tshawb fawb thiab kev ua kom zoo ntawm cov txheej txheem epoxy resin encapsulation yuav yog qhov tseem ceeb dua, thiab nws yuav tsum muab kev txhawb zog rau kev txhim kho kev lag luam LED.

Yog xav paub ntxiv txog kev xaiv qhov zoo tshaj plaws ntawm kev kho mob sib txawv ntawm kev ua haujlwm ntawm LEDs encapsulated nrog epoxy resin, koj tuaj yeem them mus ntsib DeepMaterial ntawm https://www.epoxyadhesiveglue.com/category/epoxy-adhesives-glue/ yog xav paub ntau info.