Feem ntau cov neeg muag khoom yuav qhia koj tias lawv cov ntxaij vab tshaus yog "100% kuaj." Cov kab lus no txhais tau li cas los ntawm ib lub Hoobkas mus rau lwm qhov. Kuv tau mus xyuas cov kab ntau lawm hauv qhov kev lag luam no - thiab tau daws qhov tsis txaus ntseeg txaus - kom paub tias "kuaj" tuaj yeem txhais tau dab tsi los ntawm ob- qhov pom thib ob hauv qab lub teeb fluorescent mus rau xya- theem raws tu qauv uas siv kaum yim feeb rau ib chav.
Nov yog qhov tshwm sim ntawm Huikaicheng ntawm ib lub vaj huam sib luag tuaj txog ntawm peb cov kab ntau lawm thiab ib qho screen tiav tawm hauv lub thawv rau koj lub rooj cob qhia. Kuv sau qhov no ib nrab vim tias qhov kev pom tseeb tsim tau zoo dua ntev - kev sib raug zoo ntawm kev lag luam, thiab ib feem yog vim kuv xav muab cov txiaj ntsig zoo rau koj rau lwm zaus tus neeg xa khoom tshiab qhia rau koj tias lawv qhov zoo yog "ua pov thawj."
Theem 1 - Kev tshuaj ntsuam xyuas vaj huam sib luag: keeb kwm pov thawj thiab kev kuaj pom
Ua ntej ib qho screen nkag mus rau hauv kab sib dhos, lub vaj huam sib luag batch raug txheeb xyuas qhov kev txiav txim yuav khoom. Peb xyuas cov chaw tsim khoom vaj huam sib luag, qauv kev sib raug zoo, thiab ntau ntau tus lej. Qhov no tseem ceeb tshaj qhov nws yuav suab.
Hauv kev lag luam uas cov vaj huam sib luag los ntawm cov khoom sib txawv khiav - qee zaum txawv cov chaw tsim khoom, qee zaum sib txawv IC versions - tau sib xyaw ua ke yam tsis muaj kev tshaj tawm, ntau qhov kev taug qab yog koj thawj kab ntawm kev tiv thaiv cov khoom tsis sib xws. Tus neeg muag khoom uas tsis tuaj yeem qhia koj tias qhov ntau npaum li cas ib pawg ntawm cov vaj huam sib luag tuaj yeem tsis tuaj yeem cais qhov teeb meem zoo yog tias ib qho tshwm sim.
Kev soj ntsuam pom ntawm theem no npog lub vaj huam sib luag iav nto rau ua ntej- muaj khawb los yog cov cim siab, qhov xwm txheej ntawm cov teeb pom kev zoo, thiab lub xeev ntawm FPCB. Txhua lub vaj huam sib luag nrog kinked los yog khoov flex Circuit Court kab raug tsis lees paub ntawm no, ua ntej lawv haus cov dej ntws qis.
Yam khoom tsis lees txais tus nqi:0.8-2.5%, nyob ntawm seb lub vaj huam sib luag qhov chaw thiab qauv.
Theem 2 - OCA lamination thiab autoclave bonding
Rau cov qauv uas xav tau pem hauv ntej iav lamination - uas yog txhua tus qauv tam sim no nyob rau hauv peb ntau yam - panels mus los ntawm lub tshuab nqus tsev OCA bonding nyob rau hauv ib tug huv si -chav tsev ib puag ncig. Qhov sib txawv tseem ceeb ntawm no yog lub voj voog autoclave uas ua raws li lamination.
Tsis txaus siab los yog kub thaum lub sij hawm autoclave ua rau micro- npuas nyob nruab nrab ntawm lub iav sab nrauv thiab lub vaj huam sib luag. Cov npuas no feem ntau pom tsis pom ntawm chav tsev kub thaum hnub sib dhos. Lawv pom tau nyob rau hauv plaub mus rau yim lub lis piam raws li lub xov tooj lub cev ua haujlwm kub ua rau cov nplaum hloov me ntsis. Los ntawm lub sijhawm koj cov neeg siv khoom ceeb toom lawv, lub xov tooj tau rov qab mus rau hauv ib hlis thiab kev sib tham tsis txaus ntseeg.
Peb khiav 45-feeb autoclave voj voog ntawm 60℃thiab 5.5 bar. Tom qab txhua batch, peb rub tsib tus qauv coj mus kuaj thiab tshuaj xyuas lawv nyob rau hauv lub siab - lub kaum sab xis los xyuas tshwj xeeb rau cov npuas tsim ntawm cov ces kaum thiab cov npoo, qhov twg thermal expansion stress concentrates. Yog hais tias ntau tshaj ib tug ntawm nees nkaum tus qauv qhia pom ntug bubbling, tag nrho cov batch rov qab mus rau re-autoclave ua ntej mus.
Qee tus neeg muag khoom hla autoclave tag nrho thiab siv chav- kev sib txuas siab, uas tsim cov ntxaij vab tshaus uas zoo huv si rau hnub ib. Yog tias koj cov ntxaij vab tshaus tam sim no tab tom tsim cov npuas tsis txaus siab ntawm rau -rau - yim- lub lis piam tom qab kev teeb tsa, nug koj tus neeg muag khoom ncaj qha txog lawv cov txheej txheem autoclave thiab cov kev txwv.
Theem 3 - 100% fais fab tuag- ntawm kev kuaj pom
Txhua chav tsev yog txuas nrog rau qhov kev sim jig thiab muab tso rau hauv. Qhov no yog theem uas cov neeg muag khoom feem ntau txhais tau tias thaum lawv hais tias "100% sim" - tab sis muaj qhov sib txawv tseem ceeb ntawm lub vijtsam uas ib tus neeg saib rau ob vib nas this thiab ib qho uas tau khiav los ntawm cov txheej txheem teeb tsa.
Peb lub hwj chim- ntawm kev xeem khiav cov kab lus hauv qab no ntawm txhua chav tsev:
- Cov zaub puv dawb- kuaj xyuas cov pixels tuag. Ib qho pixel tsis pom dawb ntawm tag nrho - lub vijtsam dawb raug chij tam sim.
- Cov zaub puv dub- kuaj xyuas cov pixels ci los yog daig, thiab rau cov qauv teeb pom kev tom qab uas tsuas pom tawm tsam tom qab tsaus.
- 50% grey ntawm peb qib brightness- xyuas cov teeb pom kev sib xws ntawm lub vaj huam sib luag. Ib qho screen uas zoo nkaus li txawm tias tag nrho qhov ci tseem tuaj yeem pom qhov chaw kub kub lossis dimmer kaum ntawm 30% ci ntsa iab, uas yog qhov uas tib neeg feem ntau siv lawv lub xov tooj.
- Cov xim liab, ntsuab, thiab xiav puv puv- tshuaj xyuas cov xim channel tsis sib xws thiab ntes cov neeg tuag sub-pixels uas tag nrho - kuaj dawb yuav plam.
Hloov gradient qauv- kuaj xyuas kab kab rov tav lossis ntsug kab kos, uas yog hom tsis ua haujlwm feem ntau ntawm TFT vaj huam sib luag nrog cov tsav tsheb puas ICs.
Kev tsis lees paub qhov pib: xoom tuag pixels hauv nruab nrab 80% ntawm qhov screen. Txog li ob lub pixels tuag nyob rau hauv huab sab nraud kaum millimeters ntawm lub perimeter yog cais raws li Qib B, luv nqi raws li, thiab kom meej meej sau npe. Backlight uniformity variance ntau dua 15% thoob plaws lub vaj huam sib luag saum npoo yog qhov tsis siv neeg tsis siv neeg tsis hais txog qhov xwm txheej pixel.
Theem 4 - 5-point digitiser calibration thiab xeem raug
Kov kuaj yuav tsum tau ntau tshaj qhov paub tseeb tias cov txheej txheem digitiser yog hluav taws xob txuas. Peb cov txheej txheem khiav tsib -point calibration check - sab saum toj-sab laug, sab saum toj-txoj cai, nruab nrab, hauv qab-sab laug, hauv qab-txoj cai - tiv thaiv kab sib chaws paub. Qhov kev kam lees txais yog ntxiv lossis rho tawm ob millimeters ntawm txhua qhov ntsuas. Ib chav tsev uas qhia qhov sib npaug sib npaug ntau dua ob millimeters raug tso tseg.
Peb kuj tseem khiav flex- voj voog xeem ntawm FPCB connector: lub connector yog zaum, tso tawm, thiab reseated tsib zaug, nrog ib tug kov functionality xyuas tom qab txhua lub voj voog. Qhov no simulates cov txheej txheem kev teeb tsa - tshwj xeeb yog qhov tseeb tias cov kws tshaj lij tsis tas yuav lub rooj sib txuas zoo kawg nkaus rau thawj zaug - thiab cov khoom sib txuas uas yog marginal ntawm qib microscopic. Cov no yog cov ntxaij vab tshaus uas yuav dhau ib tus qauv ib zaug - kev sib txuas lub rooj zaum sim tab sis ua tsis tiav tom qab qhov tiag - ntiaj teb nruab.
Thaum kawg, txhua chav nyob ntawm qhov kev xeem jig rau rau caum vib nas this uas tsis muaj kev nkag mus siv. Txhua chav tsev uas sau npe phantom kov thaum lub sij hawm saib xyuas no yog flagged li dab kov tsis ua hauj lwm thiab tsis lees paub.
Theem 5 - 48-teev kub hnyiab- nyob rau hauv qhov kev sim nqus dej (cov qauv tshiab thiab cov khoom siv vaj huam sib luag tshiab)
Rau txhua tus qauv iPhone tshiab peb ntxiv rau peb cov kab ntau lawm, thiab rau ib qho khoom siv vaj huam sib luag tshiab ntawm cov qauv uas twb muaj lawm, peb khiav 48- teev hlawv- hauv kev sim ntawm cov qauv ntawm nees nkaum units. Cov ntxaij vab tshaus tau siv tas li ntawm 50% ci ntsa iab ntawm qhov kub thiab txias ntawm 35℃- simulating lub xov tooj hauv kev siv nyob rau hauv qhov chaw sov.
Qhov kev sim no tshwj xeeb yog tsim los kom ntes ob hom kev ua tsis tiav uas dhau qhov kev xeem lub rooj ntev zaum yam tsis muaj teeb meem. Thawj yog IC thermal tsis ua haujlwm: tus tsav tsheb marginal IC lossis kov tswj uas ua haujlwm nyob rau hauv spec thaum txias tab sis degrades nyob rau hauv kev kub ntxhov. Qhov thib ob yog tus tsav tsheb backlight tsis ruaj khov: dimming lossis flickering uas tsuas yog tshwm sim tom qab ncua sijhawm khiav, feem ntau nthuav tawm qeeb, tsis tshua pom qhov ci ntsa iab.
Ob hom kev tshwm sim thaum cov neeg siv khoom rov qab los ntawm peb - mus rau - rau lub lis piam tom qab kev teeb tsa. Qhov ntawd yog lub qhov rais uas ua rau muaj kev puas tsuaj ntau tshaj plaws rau kev sib raug zoo ntawm tus neeg muag khoom, vim hais tias los ntawm lub sijhawm ntawd tus neeg siv khoom twb ntxhov siab lawm, lub khw kho yog nqus tus nqi lav, thiab kev sib tham txog seb lub vijtsam lossis kev teeb tsa puas yog qhov nyuaj los daws. Peb xav ntes nws ntawm no ntawm qhov kub hnyiab- nyob rau theem tshaj qhov twg hauv qab dej.
Theem 6 - Thaum kawg tib neeg pom kev soj ntsuam nyob rau hauv cov qauv teeb pom kev zoo
Qhov no yog ib theem uas automated xeem tiag tiag hloov tsis tau. Txhua lub vijtsam raug tshuaj xyuas los ntawm tus kws tshaj lij QC kws tshaj lij hauv qab tus qauv 6500K lub teeb lub teeb ntawm ob qho tib si 45-degree thiab 90-degree cov ces kaum. Qhov no catches nto khawb qhia thaum lub sij hawm sib dhos tuav, me me nplaum kab mob me me uas tsuas yog pom ntawm oblique ces kaum, me me ntug chips los yog delamination uas dim los ntawm kev soj ntsuam, thiab thav duab alignment defects.
Peb cov kws tshaj lij QC ua haujlwm rau tus qauv uas kuv piav qhia rau cov neeg ua haujlwm tshiab no: yog tias koj tus kheej yuav ntxhov siab kom tau txais lub vijtsam no ua tus yuav, nws tsis dhau. Qhov ntawd yog qhov nyuaj rau kev tshuaj xyuas dua li qhov ntsuas ntsuas, tab sis nws yog lub lim uas koj cov neeg siv khoom kawg tau thov thaum lawv saib lub xov tooj kho hauv qab lub teeb ci.
Theem 7 - ESD ntim thiab cov ntaub ntawv xa tuaj
Cov ntxaij vab tshaus uas dhau tag nrho rau theem ua ntej yog tam sim ntawd muab tso rau hauv ib tus neeg los tiv thaiv- cov hnab tiv thaiv zoo li qub - tsis yog cov hnab PE txheem, uas tsis muaj kev tiv thaiv ESD - ua ntej tawm hauv thaj chaw tshuaj xyuas. Lawv nkag mus rau hauv ib tus neeg ua npuas ncauj-padded puab lub thawv, ces mus rau hauv ib lub thawv sab nrauv uas muaj cov voids txaus los tiv thaiv kev txav mus los thaum huab cua thauj khoom lossis xa khoom xa tuaj.
Ib qho screen uas dhau txhua theem QC thiab tom qab ntawd tau txais kev puas tsuaj los ntawm kev ntim khoom tsis txaus tseem yog QC tsis ua haujlwm. Nws nyuam qhuav tshwm sim ntawm kauj ruam kawg.
Txhua lub thawv xa khoom nrog cov ntawv pov thawj zoo uas teev cov vaj huam sib luag qhov chaw, ntau tus lej, thiab hnub QC tshuaj xyuas. Cov ntaub ntawv no yog koj qhov kev tiv thaiv nyob rau hauv ib qho kev tsis sib haum xeeb batch zoo, thiab qhov tseeb tias peb muab nws yam tsis tau nug yog lub teeb liab hais txog yuav ua li cas tiag peb coj traceability.
Xya lo lus nug los nug ib qho twgiPhone LCDtus neeg muag khoom ua ntej cog lus rau ntim
Siv cov txheej txheem no ua tus qauv ntsuas. Koj tsis xav tau txhua tus neeg muag khoom ua raws nraim li peb ua - tab sis koj yuav tsum nkag siab qhov twg lawv cov txheej txheem nres thiab koj tus kheej qhov kev pheej hmoo zoo pib.
"Koj puas khiav autoclave bonding, thiab koj lub voj voog tsis muaj dab tsi?"Yog hais tias cov lus teb yog "peb laminate nyob rau hauv- tsev tab sis tsis txhob autoclave," cia siab tias npuas yuav rov qab nyob rau hauv yim lub lis piam ntawm installation.
"Dab tsi yog koj qhov kev tsis lees paub pixel tuag?"Zero kam rau ua nyob rau hauv qhov chaw tso saib yog tus qauv rau cov khoom qib A. Txhua yam kev tso cai ntau dua yuav tsum tau muag thiab sau npe tias yog qib qis dua.
"Koj puas ua haujlwm rau -unit touch calibration testing, los yog kev sib txuas xwb?"Cov no yog qhov txawv. Kev sib txuas paub meej tias qhov kov txheej ua haujlwm. Calibration paub meej tias nws ua haujlwm raug. Tus neeg muag khoom uas tsis tuaj yeem piav qhia qhov txawv no tsis ua qhov ntsuas ntsuas ntsuas.
"Dab tsi yog koj qhov kev tsis txaus siab rau peb qhov kawg ntawm cov qauv no?"Txhua qhov chaw tsim khoom ua haujlwm ntsuas -raws li QC taug qab tus lej no. Yog tias lawv tsis tuaj yeem teb tau, lawv QC yog qhov pom kev - nkaus xwb.
"Koj puas khiav hlawv- hauv kev sim thaum koj thawj zaug ntxiv tus qauv tshiab rau koj cov kab?"Tsuas yog cuam tshuam yog tias koj yog ib tus neeg yuav khoom thaum ntxov ntawm tus qauv lawv nyuam qhuav pib tsim - tab sis qhov no yog raws nraim thaum thermal thiab backlight stability tsis ua hauj lwm feem ntau yuav dhau mus.
"Puas cov ntxaij vab tshaus ntim ib leeg hauv ESD shielding hnab?"Cov hnab PE txheem tsis yog ESD tiv thaiv. Qhov no yog qhov tseem ceeb rau tus digitiser IC thiab yog qhov qhia tau sai ntawm tus neeg muab khoom siv tiag tiag siv cov khoom siv hluav taws xob ntawm lawv cov txheej txheem.
"Koj puas tuaj yeem muab daim ntawv pov thawj QC nrog cov khoom xa tuaj?"Qhov no tiv thaiv koj nyob rau hauv txhua qhov teeb meem tsis sib haum xeeb thiab qhia koj seb lub Hoobkas puas muaj cov txheej txheem traceability nyob rau hauv qhov chaw - lossis ua haujlwm batch- los ntawm -batch tsis muaj ntaub ntawv.
Peb tsis yog tib lub chaw tsim khoom ua QC nruj hauv Shenzhen. Tab sis peb yog ib tug uas tuaj yeem taug kev koj mus txog txhua theem ntawm cov txheej txheem hauv cov ntsiab lus no - thiab rov qab nrog cov ntaub ntawv thaum koj nug. Yog tias koj tab tom ntsuas peb iPhone 12 lossisiPhone 14 LCD npontau, lossis lwm yam qauv hauv peb phau ntawv teev npe, peb zoo siab los qhia batch QC cov ntaub ntawv rau cov khoom tam sim no thiab npaj cov qauv txiav txim kom koj tuaj yeem khiav koj tus kheej cov ntaub ntawv pov thawj ua ntej cog lus rau ntim.
