1. Kev ntsuas LED nti
Kev kuaj me me: seb puas muaj kev puas tsuaj rau cov tshuab ntawm cov khoom thiab thaj chaw thiab qhov loj thiab cov nplaim hluav taws xob ntawm cov xauv toj thiab cov electrode loj ua tau raws li cov txheej txheem.
2. Kev nthuav dav LED
Txij li cov LED nti tseem teeb nrog ib qho ze me me (kwv yees 0.1 hli) tom qab ntswm, nws tsis yog qhov muaj txiaj ntsig zoo rau kev ua haujlwm ntawm cov txheej txheem tom qab. Cov zaj duab xis ntawm sib khi sib txuas tau nthuav dav los ntawm kev kis mus rau ncab lub suab ntawm LED nti mus txog 0.6 hli. Nws kuj tseem siv tau kev siv nthuav tawm, tab sis nws yooj yim kom tsim teeb meem xws li chip khib nyiab thiab khib nyiab.
3.LED dispensing
Muab cov kua nplaum los yog cov kua nplaum insulating rau ntawm qhov chaw coj ua ntawm lub cim LED. Rau GaAs, SiC conductive substrates, liab, daj, thiab daj-ntsuab chips nrog rov qab electrodes yog ua los ntawm cov nyiaj muab tshuaj txhuam. Rau xiav thiab ntsuab LED chips ntawm sapphire insulated substrates, insulating muab tshuaj yog siv los kho cov chips.
Qhov nyuaj ntawm cov txheej txheem nyob rau hauv kev tswj ntawm qhov nyiaj ntawm kua nplaum, thiab muaj cov ncauj lus kom ntxaws cov khoom siv hauv qhov siab ntawm kua nplaum thiab txoj hauj lwm ntawm cov kua nplaum. Txij li cov nyiaj kua nplaum thiab cov kua nplaum ua kua nplaum muaj cov kev cai nruj hauv kev khaws cia thiab kev siv, kev tsim-tsim kom muaj, nplawm thiab siv lub sijhawm ntawm cov kua nplaum nyiaj yog txhua yam uas yuav tsum tau them nyiaj rau hauv cov txheej txheem.
4.LED npaj kua nplaum
Nyob rau hauv kev sib piv rau kev faib tawm, cov kua nplaum yog siv rau sab tom qab electrode ntawm LED nrog lub tshuab kua nplaum, thiab tom qab ntawd LED nrog nyiaj kua nplaum nyob sab nraum qab yog ntsia rau ntawm tus tuav LED. Qhov ua tau zoo ntawm kev npaj ntawm kua nplaum yog ntau dua li cov nqi faib tawm, tab sis tsis yog txhua yam khoom tsim nyog rau cov txheej txheem npaj.
5.LED tes-tho
Daim nplai loj LED nti (nrog lossis tsis lo kua nplaum) tau muab tso rau ntawm qhov kho ntawm lub qhov rooj lancet, thiab lub cim LED teeb tau tso rau hauv qab qhov txuas, thiab cov LED nti tau punctured ib qho los ntawm ib qho hauv lub tshuab tsom kab ntsig nrog rab koob. Lub tshuab ua cov pos muaj qhov zoo dua li kev thau khoom, ua rau nws yooj yim los hloov cov chips sib txawv thaum twg los tau, rau cov khoom uas xav tau ntau daim chips.
6.LED tsis siv neeg mounting
Kev siv lub tshuab ua haujlwm tsis siv neeg yog qhov tseeb ntawm kev sib txuas ntawm ob kauj ruam ntawm cov kua nplaum (cov xa tawm) thiab muab tso rau hauv cov nti. Ua ntej, muab cov nyiaj lo kua nplaum (insulating kua nplaum) rau ntawm lub voj voos LED, tom qab ntawd siv lub nqus nozzle los nqus cov LED nti mus rau qhov chaw txav, thiab tom qab ntawd muab tso rau hauv qhov chaw coj tau raug. Hauv cov txheej txheem ntawm kev thauj khoom tsis siv neeg, nws yog qhov tseem ceeb yuav tsum paub txog kev ua haujlwm thiab cov haujlwm ntawm cov khoom siv, thiab tib lub sijhawm los kho cov kua nplaum thiab txhim kho qhov tseeb ntawm cov khoom siv. Hauv kev xaiv ntawm lub nozzle, bakelite nozzle yuav tsum tau siv ntau li ntau tau los tiv thaiv kev puas tsuaj rau saum npoo ntawm LED nti. Hauv qhov tshwj xeeb, lub xiav thiab ntsuab chips yuav tsum tau ua ntawm bakelite. Vim hais tias cov kav hlau tsis tuaj yeem txhuam qhov txheej tam sim no nyob rau sab saum npoo ntawm cov nti.
7.LED sintering
Lub hom phiaj ntawm sintering yog los kho cov nyiaj muab tshuaj, thiab qhov sintering yuav tsum saib xyuas qhov ntsuas kub kom tsis txhob muaj qhov tsis taus. Qhov kub ntawm cov nyiaj muab tshuaj txhuam yog sintered feem ntau tswj tau li ntawm 150 ° C thiab lub sijhawm sintering yog 2 teev. Raws li qhov tseeb qhov teeb meem, nws tuaj yeem hloov kho mus rau 170 ° C rau 1 teev. Cov kua nplaum insulating yog feem ntau 150 ° C rau 1 teev.
Lub ntsej muag nyiaj dawb lub qhov cub me me yuav tsum qhib thiab hloov nrog cov khoom txeem tsis pub dhau 2 teev (lossis 1 teev) raws li cov txheej txheem xav tau. Sintering ncu yuav tsum tsis txhob siv rau lwm lub hom phiaj txhawm rau tiv thaiv kev ua paug.
8.LED ceev vuam
Lub hom phiaj ntawm kev vuam siab yog coj cov electrode mus rau LED nti kom tiav qhov kev sib txuas ntawm cov khoom puab sab hauv thiab sab nraud.
Muaj ob yam ntawm LED siab vuam txheej txheem: kub xov hlau khi thiab txhuas xaim siab vuam. Cov txheej txheem ntawm aluminium hlau siab vuam yog thawj zaug nias thawj taw tes ntawm qhov hluav taws xob ntawm lub nti LED, tom qab rub rub cov xov hlau txhuas saum qhov sib dhos, thiab nias rau kis thib ob kom rhuav cov txhuas hlau. Cov txheej txheem kub pob zeb vuam txheej txheem hlawv lub pob ua ntej thawj kis, thiab cov txheej txheem seem zoo li.
Siab vuam yog qhov txuas tseem ceeb hauv LED ntim tshuab. Lub ntsiab xav tau los saib xyuas cov txheej txheem yog cov duab ntawm lub siab-welded kub hlau (txhuas hlau), cov duab ntawm cov pob txha pob qij, thiab lub zog tensile.
9.LED sealant
Cov khoom ntim LED yog feem ntau me ntsis kua nplaum, Potting, molding. Yeej, qhov nyuaj ntawm txheej txheem tswj yog npuas, tsis muaj cov khoom siv, thiab pob dub. Tus qauv tsim yog feem ntau rau kev xaiv ntawm cov ntaub ntawv, thiab kev sib xyaw ntawm cov epoxy zoo thiab cov cim nqa tau raug xaiv. (Cov LED dav dav tuaj yeem hla tsis tau qhov ntsuas cua nruj)
LED Dispensing TOP-LED thiab Sab-LED muaj nyob hauv dispensing pob khoom. Kev tuav phau ntawv yuav tsum muaj kev ua haujlwm siab (tshwj xeeb yog LEDs dawb). Cov teeb meem loj yog kev tswj hwm ntawm cov nyiaj faib tawm, raws li epoxy thickens thaum siv. Kev faib tawm ntawm cov LEDs dawb kuj tseem muaj teeb meem ntawm phosphor nag lossis daus ua rau chromatic aberration ntawm lub teeb.
LED Potting pob Lub teeb-LED pob yog nyob rau hauv daim ntawv ntawm Potting. Cov txheej txheem potting yog yuav tsum tau txhaj thawj cov kua epoxy rau hauv lub tshuab hluav taws xob rau hauv maus taus LED, tom qab ntawd ntxig rau qhov siab-sib raug zoo LED lub ntsej muag rau hauv qhov cub kom kho tau cov epoxy, thiab tom qab ntawd tshem lub LED los ntawm kab noj hniav kom tsim.
Cov txheej txheem pwm pob LED tso lub siab-welded LED lub cim rau hauv cov pwm, pwm lub pwm sab saud thiab qis nrog lub tshuab hydraulic thiab cov chaw tso lawv, thiab muab cov khoom sib xyaw epoxy rau hauv qhov ntxig ntawm cov kab txhaj kom nias cov hydraulic ejector rau hauv cov pwm roj hmab. txoj kev. Lub epoxy nkag mus rau txhua LED txoj kev ua zawj raws txoj kab kua nplaum thiab solidifies.
10. LED tua thiab tom qab tua tuaj
Kev kho mob yog hais txog qhov ua kom zoo ntawm cov encapsulating epoxy, uas feem ntau kho ntawm 135 ° C rau 1 teev. Cov pob moulded feem ntau yog li ntawm 150 ° C rau 4 feeb. Kev kho tom qab yog tso cai rau epoxy kho kom zoo thaum sov tom qab lub hnub nyoog ntawm LED. Kev kho tom qab yog qhov tseem ceeb los ua kom muaj lub zog ntawm cov epoxy mus rau kev txhawb nqa (PCB). Cov xwm txheej dav dav yog 120 ° C rau 4 teev.
11.LED txiav thiab dicing
Txij li cov LEDs tau sib txuas ua ke nyob rau hauv cov txheej txheem ntau lawm (tsis yog ib leej), Lub Teeb ntim cov khoom siv LEDs siv lub pob tw los txiav lub caj dab ntawm LED tuav. SMD-LED yog nyob rau hauv PCB lub rooj tsavxwm thiab xav tau lub tshuab sau ntawv kom ua tiav qhov sib cais.
12. Kev kuaj LED
Kuaj qhov ntsuas hluav taws xob photoelectric ntawm lub LED, kos sab nraud qhov ntev, thiab txheeb cov khoom lag luam LED raws li cov neeg siv khoom.
