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

 

LED (Light Emitting Diode), ua ib qho chaw ua haujlwm zoo, txuag hluav taws xob, thiab siv tau ntev, tau siv dav hauv ntau qhov chaw xws li teeb pom kev zoo, tso saib, 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, suav nrog kev pom tseeb zoo, rwb thaiv tsev, lub zog kho tshuab, thiab kev tiv thaiv xeb tshuaj lom neeg. 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 xwm txheej kho sib txawv tuaj yeem hloov pauv lub xeev kho thiab cov khoom kawg ntawm epoxy resin, yog li cuam tshuam rau kev ua haujlwm tag nrho ntawm LEDs. Yog li ntawd, kev kawm txog kev cuam tshuam ntawm cov xwm txheej kho sib txawv rau kev ua haujlwm ntawm LEDs encapsulated nrog epoxy resin yog qhov tseem ceeb heev rau kev txhim kho qhov zoo ntawm cov khoom LED thiab kev ua kom zoo dua ntawm cov txheej txheem encapsulation.

Kev Cuam Tshuam ntawm Cov Kev Mob Kho rau ntawm Kev Kho Mob ntawm Epoxy Resin

1. Influence ntawm Kub

Kub yog ib qho ntawm cov yam tseem ceeb uas cuam tshuam rau qhov kev kho ntawm epoxy resin. Qhov kev kho ntawm epoxy resin thiab tus neeg sawv cev kho yog ib qho kev kho exothermic tshuaj. Kev nce ntawm qhov kub yuav ua rau qhov kev kho sai dua. Hauv qee qhov ntau, qhov kub siab dua yuav ua rau lub zog thermal ntawm molecular nce ntxiv, ua rau muaj kev sib tsoo ntau zaus thiab qhov muaj feem yuav muaj kev sib tsoo zoo ntawm cov molecule kho thiab cov molecule epoxy resin, yog li ua kom qhov kev kho sai dua. Piv txwv li, rau cov kab ke kho bisphenol A hom epoxy resin thiab amine, kev nce qhov kub kho kom raug tuaj yeem ua rau lub sijhawm kho luv dua. Txawm li cas los xij, yog tias qhov kub siab dhau, qhov kev kho yuav kub dhau, ua rau qhov kev kho nyuaj rau tswj, tsim kev ntxhov siab sab hauv, thiab txawm tias ua rau cov epoxy resin lwj thiab ua rau nws txoj kev ua haujlwm poob qis. Ntawm qhov tod tes, yog tias qhov kub qis dhau, qhov kev kho yuav qeeb dhau, ua rau kev kho tsis tiav thiab cuam tshuam rau qhov nyuaj, lub zog, thiab lwm yam khoom ntawm epoxy resin.

2. Kev Cuam Tshuam ntawm Lub Sijhawm

Lub sijhawm kho yog ze rau qhov kub thiab txias. Ntawm qee qhov kub thiab txias, xav tau sijhawm txaus los xyuas kom meej tias cov epoxy resin thiab tus neeg sawv cev kho kom ua tiav tag nrho kom ua tiav lub xeev kho kom tiav. Thaum lub sijhawm kho kom nce ntxiv, qib 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 qhov nyuaj, lub zog, thiab modulus. Txawm li cas los xij, thaum lub sijhawm kho kom txog qee qhov, kev txhim kho ntawm cov khoom ntawm epoxy resin feem ntau yuav poob qis. Kev txuas ntxiv mus ntev lub sijhawm kho tsis muaj txiaj ntsig zoo rau kev txhim kho cov khoom tab sis yuav txo qhov ua tau zoo ntawm kev tsim khoom. Yog li ntawd, kev txiav txim siab lub sijhawm kho kom tsim nyog yog qhov tseem ceeb rau kev ua kom cov khoom ntawm epoxy resin thiab kev ua tau zoo ntawm kev tsim khoom.

3. Kev Cuam Tshuam ntawm Cov Av noo

Cov av noo kuj muaj qee yam cuam tshuam rau qhov kev kho ntawm cov epoxy resin. Hauv qhov chaw noo noo, cov av noo yuav koom nrog rau qhov kev kho ntawm cov epoxy resin, hloov pauv cov txheej txheem tshuaj tiv thaiv thiab cov qauv ntawm cov khoom. Ntawm ib sab tes, cov av noo yuav cuam tshuam nrog tus neeg sawv cev kho, noj ib feem ntawm tus neeg sawv cev kho thiab ua rau kev kho tsis tiav. Ntawm qhov tod tes, cov av noo yuav tsim cov npuas me me lossis cov qhov hauv cov epoxy resin, txo qhov compactness thiab cov khoom ntawm epoxy resin. Tsis tas li ntawd, cov av noo kuj tseem yuav cuam tshuam rau cov khoom ntawm cov epoxy resin, xws li qhov nro ntawm qhov chaw thiab qhov ntub dej, thiab yog li cuam tshuam rau nws lub zog sib txuas nrog LED chip thiab lwm yam khoom siv encapsulation.

 

Kev Cuam Tshuam ntawm Cov Kev Mob Curing rau ntawm Cov Khoom Siv Optical ntawm LEDs

1. Kev cuam tshuam rau qhov ci ntsa iab

Qhov degree ntawm kev kho ntawm epoxy resin cuam tshuam ncaj qha rau nws qhov kev pom tseeb ntawm lub teeb, thiab yog li ntawd cuam tshuam rau qhov ci ntsa iab ntawm LEDs. Yog tias kev kho tsis tiav, muaj cov molecule thiab voids tsis muaj zog hauv epoxy resin, uas yuav ua rau muaj kev nce ntxiv ntawm kev tawg thiab kev nqus ntawm lub teeb, yog li txo qhov ci ntsa iab ntawm LEDs. Ntawm qhov tod tes, ib qho epoxy resin kho tag nrho thiab ntom tuaj yeem ua rau lub teeb zoo dua, txo qhov poob ntawm lub teeb thiab ua rau lub teeb ci ntsa iab ntawm LEDs. Tsis tas li ntawd, kev ntxhov siab sab hauv los ntawm cov xwm txheej kho tsis raug kuj tseem yuav hloov pauv cov khoom siv kho qhov muag ntawm epoxy resin, xws li tsim cov xwm txheej birefringence, uas cuam tshuam rau kev taw qhia kev nthuav dav thiab kev faib tawm ntawm lub teeb.

2. Kev cuam tshuam rau kev sib xws ntawm xim

Cov xwm txheej kho sib txawv yuav ua rau muaj kev hloov pauv ntawm qhov ntsuas refractive ntawm epoxy resin, yog li cuam tshuam rau cov xim sib xws ntawm LEDs. Thaum qhov ntsuas refractive ntawm epoxy resin tsis sib xws, lub teeb ntawm cov wavelengths sib txawv yuav dhau los ntawm ntau qib ntawm refraction thiab scattering thaum kis mus rau hauv epoxy resin, ua rau muaj kev hloov pauv xim. Piv txwv li, yog tias qhov kub siab dhau lossis lub sijhawm kho ntev dhau, qhov sib txuas ntawm epoxy resin yuav loj dhau, ua rau qhov ntsuas refractive nce ntxiv, thiab ua rau cov xim ntawm LEDs hloov mus rau qhov kev taw qhia luv luv. Thaum cov av noo siab, qhov muaj cov av noo hauv epoxy resin yuav txo nws qhov ntsuas refractive, ua rau cov xim hloov mus rau qhov kev taw qhia ntev.

3. Kev Cuam Tshuam rau Kev Puas Tsuaj ntawm Lub Teeb

Kev lwj ntawm lub teeb yog ib qho ntawm cov cim qhia tseem ceeb rau kev ntsuas lub neej ua haujlwm ntawm LEDs. Kev kho tsis zoo yuav ua rau kev ruaj khov ntawm cov epoxy resin txo qis, ua rau nws yooj yim rau kev cuam tshuam ntawm cov yam ntxwv ib puag ncig sab nraud (xws li kub, av noo, ultraviolet rays, thiab lwm yam) thaum siv ntev, yog li ua kom lub teeb lwj sai dua. Piv txwv li, cov epoxy resin uas kho tsis tiav yuav raug puas tsuaj thiab laus hauv qab qhov kub siab thiab ultraviolet hluav taws xob, ua rau nws cov khoom siv kho qhov muag puas tsuaj maj mam thiab ua kom lub teeb lwj sai dua. Txawm li cas los xij, cov xwm txheej kho kom zoo tuaj yeem ua rau cov epoxy resin tsim cov qauv sib txuas ruaj khov, txhim kho nws cov kev ua haujlwm tiv thaiv kev laus thiab qeeb qeeb ntawm kev lwj ntawm lub teeb.

 

Kev Cuam Tshuam ntawm Cov Kev Kho Mob rau Cov Khoom Siv Hluav Taws Xob ntawm LEDs

1. Kev cuam tshuam rau kev ua haujlwm rwb thaiv tsev

Ua ib yam khoom siv rwb thaiv tsev rau LED encapsulation, lub xeev kho ntawm epoxy resin muaj feem cuam tshuam tseem ceeb rau kev ua haujlwm rwb thaiv tsev ntawm LEDs. Yog tias kev kho tsis tiav, muaj cov pab pawg polar tsis muaj zog thiab qhov khoob hauv epoxy resin, uas yuav txo nws qhov kev tiv thaiv rwb thaiv tsev thiab ua rau muaj kev pheej hmoo ntawm kev xau. Tsis tas li ntawd, av noo kuj muaj feem cuam tshuam loj rau kev ua haujlwm rwb thaiv tsev ntawm epoxy resin. Rau epoxy resin kho hauv qhov chaw noo noo, qhov muaj av noo yuav txo nws qhov kev ua haujlwm rwb thaiv tsev. Ntawm qhov tod tes, epoxy resin kho tag nrho thiab ntom muaj kev ua haujlwm rwb thaiv tsev zoo, uas tuaj yeem cais cov LED chip ntawm lub voj voog sab nraud thiab xyuas kom meej tias cov LEDs ua haujlwm ib txwm.

2. Kev Cuam Tshuam rau Cov Kev Ntsuas Hluav Taws Xob

Kev hloov pauv ntawm cov xwm txheej kho yuav cuam tshuam rau cov yam ntxwv hluav taws xob ntawm cov LEDs, xws li qhov hluav taws xob pem hauv ntej thiab qhov hluav taws xob rov qab. Cov tshuaj epoxy resin uas kho tsis tiav lossis ntxhov siab yuav ua rau muaj kev ntxhov siab rau lub nti LED, ua rau muaj kev cuam tshuam ntawm cov qauv lattice hauv lub nti, thiab yog li cuam tshuam rau nws cov kev ua haujlwm hluav taws xob. Piv txwv li, kev ntxhov siab ntawm cov khoom siv hluav taws xob yuav hloov pauv cov yam ntxwv ntawm PN junction ntawm lub nti LED, ua rau muaj kev nce ntxiv ntawm qhov hluav taws xob pem hauv ntej lossis nce ntxiv ntawm qhov hluav taws xob rov qab. Tsis tas li ntawd, cov xwm txheej kho tsis raug kuj tseem yuav cuam tshuam rau qhov kev sib cuag ntawm cov tshuaj epoxy resin thiab lub nti LED, thiab yog li cuam tshuam rau kev ua haujlwm hluav taws xob ntawm cov LEDs.

 

Kev Cuam Tshuam ntawm Kev Kho Mob rau ntawm Cov Khoom Siv Thermal ntawm LEDs

1. Kev Cuam Tshuam rau Kev Ua Haujlwm Kub Dissipation

Thaum cov LEDs ua haujlwm, muaj cua sov ntau heev, thiab kev ua haujlwm zoo ntawm kev tso cua sov tawm yog qhov tseem ceeb rau kev ua kom muaj kev ua haujlwm thiab lub neej ntev ntawm lub teeb. LEDs encapsulated nrog epoxy resin. Lub thermal conductivity ntawm epoxy resin muaj feem cuam tshuam nrog nws lub xeev kho. Ib qho epoxy resin uas kho tsis tiav muaj ntau qhov voids thiab qhov tsis zoo sab hauv, uas yuav txo nws cov thermal conductivity thiab cuam tshuam kev coj cua sov. Tsis tas li ntawd, thaum cov av noo siab, qhov muaj cov av noo hauv epoxy resin yuav txo nws cov thermal conductivity vim tias cov thermal conductivity ntawm dej qis dua li ntawm epoxy resin. Ntawm qhov tod tes, ib qho epoxy resin uas kho tag nrho thiab ntom muaj cov thermal conductivity siab dua, uas tuaj yeem ua tau zoo dua cov cua sov tsim los ntawm LED chip, txo qhov kub ntawm chip, thiab txhim kho qhov thermal stability ntawm LEDs.

2. Kev cuam tshuam rau Coefficient ntawm Thermal Expansion

Qhov tsis sib xws ntawm cov coefficients ntawm thermal expansion ntawm LED chip, epoxy resin, thiab lwm yam khoom siv encapsulation yuav ua rau muaj kev ntxhov siab thermal thaum qhov kub hloov pauv, yog li cuam tshuam rau kev ua haujlwm thiab kev ntseeg siab ntawm LEDs. Cov xwm txheej kho yuav cuam tshuam rau cov coefficient ntawm thermal expansion ntawm epoxy resin. Feem ntau hais lus, qhov siab dua qhov degree kho, qhov loj dua qhov cross-linking density ntawm epoxy resin, thiab nws cov coefficient ntawm thermal expansion me dua. Yog tias cov xwm txheej kho tsis raug, cov coefficient ntawm thermal expansion ntawm epoxy resin yuav txawv ntawm cov LED chip thiab lwm yam khoom siv encapsulation. Thaum qhov kub hloov pauv, yuav muaj kev ntxhov siab thermal ntau heev, uas yuav ua rau tawg ntawm qhov sib txuas ntawm cov chip thiab epoxy resin, thiab txawm tias ua rau cov chip puas tsuaj.

 

Kev Cuam Tshuam ntawm Kev Kho Mob rau Cov Khoom Siv Mechanical ntawm LEDs

1. Kev cuam tshuam rau qhov nyuaj thiab lub zog

Cov xwm txheej kho ncaj qha txiav txim siab qhov degree ntawm kev sib txuas ntawm cov epoxy resin, thiab qhov degree ntawm kev sib txuas yog ze rau qhov nyuaj thiab lub zog ntawm cov epoxy resin. Kev kho cov epoxy resin ntawm qhov kub thiab sijhawm tsim nyog tuaj yeem ua rau nws tsim cov qauv sib txuas txaus, maj mam ua rau nws qhov nyuaj thiab lub zog nce ntxiv. Txawm li cas los xij, yog tias qhov kub siab dhau lossis lub sijhawm ntev dhau, cov epoxy resin yuav kho dhau, ua rau muaj kev sib txuas ntau dhau ntawm nws cov saw hlau molecular, ua rau brittleness nce ntxiv. Txawm hais tias qhov nyuaj thiab lub zog tau nce mus rau qee qhov, qhov tawv txo qis, thiab nws yooj yim tawg. Ntawm qhov tod tes, cov epoxy resin kho tsis tiav muaj qhov nyuaj thiab lub zog qis thiab tsis tuaj yeem tiv thaiv cov LED chips zoo.

2. Kev cuam tshuam rau kev cuam tshuam

Cov LEDs yuav raug kev cuam tshuam los ntawm cov khoom siv thaum lub sijhawm siv, yog li qhov kev tiv thaiv kev cuam tshuam ntawm lawv cov ntaub ntawv encapsulation yog qhov tseem ceeb heev. Cov xwm txheej kho kom zoo tuaj yeem muab cov epoxy resin nrog lub zog zoo thiab lub zog, ua rau nws nqus tau zoo thiab faib cov zog cuam tshuam thiab tiv thaiv cov LED chip los ntawm kev puas tsuaj. Txawm li cas los xij, vim muaj qhov tsis zoo thiab tsis sib xws ntawm nws cov qauv sab hauv, cov epoxy resin kho tsis zoo yuav ua rau tawg thiab tawg thaum raug kev cuam tshuam, txo qhov kev tiv thaiv kev cuam tshuam ntawm cov LEDs.

xaus

Hauv kev xaus, cov xwm txheej kho xws li kub, sijhawm, thiab av noo muaj ntau yam cuam tshuam rau kev ua haujlwm ntawm LEDs encapsulated nrog epoxy resinThaum lub sijhawm ua haujlwm LED encapsulation, kev tswj hwm qhov kub thiab txias yog qhov tseem ceeb rau kev ua kom ntseeg tau tias cov LEDs ua haujlwm tau zoo thiab ntseeg tau. Yuav kom tau txais qhov ua tau zoo tshaj plaws ntawm LED, nws yog qhov tsim nyog los ua kom zoo dua cov kev ntsuas xws li qhov kub thiab txias, lub sijhawm, thiab av noo raws li cov yam ntxwv ntawm epoxy resin thiab cov qauv tsim ntawm LEDs, kom ua tiav qhov kev kho kom tiav ntawm epoxy resin thiab kev ua tau zoo sib xws. Tib lub sijhawm, nws tseem tsim nyog los kawm ntxiv txog kev sib raug zoo sab hauv ntawm cov xwm txheej kho, qhov kev kho kom zoo ntawm epoxy resin, thiab kev ua tau zoo ntawm LEDs, thiab tshawb nrhiav cov txheej txheem kho tshiab thiab cov thev naus laus zis kom ua tau raws li qhov zoo thiab kev ua tau zoo ntawm cov khoom LED. Yav tom ntej, nrog rau kev txhim kho tas mus li ntawm LED thev naus laus zis thiab kev nthuav dav ntawm nws cov teb thov, kev tshawb fawb thiab kev ua kom zoo dua ntawm epoxy resin encapsulation txheej txheem yuav tseem ceeb dua, thiab nws xav tias yuav muab kev txhawb nqa zoo rau kev txhim kho kev lag luam LED.

Yog xav paub ntxiv txog kev xaiv qhov cuam tshuam zoo tshaj plaws ntawm cov xwm txheej kho kom zoo sib txawv rau kev ua haujlwm ntawm LEDs encapsulated nrog epoxy resin, koj tuaj yeem mus saib DeepMaterial ntawm https://www.epoxyadhesiveglue.com/category/epoxy-adhesives-glue/ yog xav paub ntau info.