LED zaub yog tsim los ntawm kab ntawm lub teeb emitting diodes, yog li qhov zoo ntawm LED ncaj qha cuam tshuam rau tag nrho cov khoom zoo.
1. Brightness thiab lub kaum sab xis ntawm kev pom
Qhov ci ntsa iab ntawm qhov screen feem ntau yog nyob ntawm qhov luminous siv thiab LED ntom ntawm LED.Nyob rau hauv xyoo tas los no, cov thev naus laus zis tshiab ntawm LED hauv substrate, epitaxy, nti thiab pob tau tshwm sim tsis muaj qhov kawg, tshwj xeeb tshaj yog kev ruaj ntseg thiab kev loj hlob ntawm cov txheej txheem nthuav dav tam sim no thiab cov txheej txheem ntawm indium tin oxide (ITO), uas tau txhim kho qhov kev siv zog ntawm LED zoo heev. .Tam sim no, nyob rau hauv cov xwm txheej uas lub kaum sab xis ntawm qhov pom yog 110 degrees thiab ntsug lub kaum sab xis ntawm qhov pom yog 50 degrees, lub teeb ci ntawm lub raj ntsuab tau mus txog 4000 mcd, lub raj liab tau mus txog 1500 mcd, thiab lub raj xiav muaj mus txog 1000 mcd.Thaum lub pixel sib nrug yog 20 hli, qhov ci ntawm lub vijtsam tuaj yeem ncav cuag ntau dua 10,000nit.Cov zaub tuaj yeem ua haujlwm ib ncig ntawm lub moos hauv txhua qhov chaw
Thaum tham txog qhov kev xav ntawm lub vijtsam zaub, muaj qhov tshwm sim tsim nyog xav txog: LED cov ntxaij vab tshaus, tshwj xeeb tshaj yog sab nraum zoov cov ntxaij vab tshaus, yog qhov pib pom los ntawm hauv qab, thaum nyob rau hauv daim ntawv ntawm cov ntxaij vab tshaus LED uas twb muaj lawm, ib nrab ntawm cov luminous flux. ploj mus saum ntuj loj heev.
2. Kev tsis sib xws thiab pom tseeb
Nrog rau txoj kev loj hlob ntawm LED zaub technology, uniformity tau dhau los ua qhov taw qhia tseem ceeb tshaj plaws los ntsuas qhov zoo ntawm cov zaub.Nws yog feem ntau hais tias LED zaub yog "ci ntsa iab hauv txhua qhov me me thiab ci ntsa iab hauv txhua daim", uas yog qhov ua piv txwv zoo rau qhov tsis sib xws ntawm pixels thiab modules.Cov ntsiab lus kev tshaj lij yog "cov nyhuv plua plav" thiab "mosaic phenomenon".
Qhov laj thawj tseem ceeb ntawm qhov tshwm sim tsis sib xws yog: LED kev ua haujlwm tsis sib xws;Kev sib dhos tsis txaus qhov tseeb ntawm lub vijtsam zaub thaum lub sijhawm tsim khoom thiab teeb tsa;Cov hluav taws xob tsis zoo ntawm lwm cov khoom siv hluav taws xob tsis sib xws;Kev tsim ntawm modules thiab PCBs tsis yog tus qauv.
Qhov laj thawj tseem ceeb yog "qhov tsis sib xws ntawm LED kev ua haujlwm tsis zoo".Cov kev tsis sib haum xeeb ntawm cov kev ua tau zoo no feem ntau suav nrog: qhov tsis sib xws ntawm lub teeb ci, qhov tsis sib xws ntawm qhov muag qhov axis, cov xim tsis sib xws, cov xim tsis sib xws ntawm cov xim tsis sib xws ntawm txhua qhov xim, thiab cov yam ntxwv attenuation inconsistent.
Yuav ua li cas los daws qhov tsis sib xws ntawm LED kev ua haujlwm tsis zoo, muaj ob txoj hauv kev tseem ceeb hauv kev lag luam tam sim no: ua ntej, txhim kho qhov sib xws ntawm LED kev ua tau zoo los ntawm kev faib cov kev qhia tshwj xeeb ntawm LED;Lwm qhov yog txhawm rau txhim kho qhov sib luag ntawm lub vijtsam zaub los ntawm kev kho tom ntej.Qhov kev kho tom ntej no kuj tau tsim los ntawm kev kho qhov muag thaum ntxov thiab kev kho qhov module rau hnub no los ntawm kev kho qhov taw tes.Kho thev naus laus zis tau tsim los ntawm kev kho lub teeb siv yooj yim rau kev siv lub teeb xim sib koom ua ke.
Txawm li cas los xij, peb ntseeg tias kev kho tom ntej tsis yog txhua yam.Ntawm lawv, qhov inconsistency ntawm optical axis, inconsistency ntawm lub teeb siv tis nkhaus nkhaus, inconsistency ntawm attenuation yam ntxwv, tsis zoo los ua ke raug thiab cov qauv tsis zoo yuav raug tshem tawm los ntawm kev kho tom ntej, thiab txawm tias qhov kev kho tom ntej no yuav ua rau qhov tsis sib haum xeeb ntawm optical axis. , attenuation thiab sib dhos raug.
Yog li ntawd, los ntawm kev xyaum, peb cov lus xaus yog tias qhov kev kho tom ntej no tsuas yog kho tau, thaum LED parameter subdivision yog lub hauv paus ua rau thiab lub neej yav tom ntej mainstream ntawm LED zaub kev lag luam.
Raws li kev sib raug zoo ntawm kev tshuaj ntsuam uniformity thiab txhais, feem ntau muaj kev nkag siab yuam kev hauv kev lag luam, uas yog, kev daws teeb meem hloov lub ntsiab lus.Qhov tseeb, lub ntsiab lus ntawm lub vijtsam zaub yog qhov kev xav ntawm tib neeg lub qhov muag ntawm qhov kev daws teeb meem, qhov sib xws (lub teeb liab-rau-suab nrov piv), ci ntsa iab, qhov sib piv thiab lwm yam ntawm lub vijtsam.Tsuas yog txo lub cev pixel qhov sib nrug los txhim kho qhov kev daws teeb meem, thaum tsis quav ntsej txog qhov sib xws, yog qhov tsis ntseeg los txhim kho qhov pom tseeb.Xav txog lub vijtsam zaub nrog "plua plav nyhuv" thiab "mosaic phenomenon".Txawm hais tias nws lub cev pixel qhov sib nrug me me thiab nws qhov kev daws teeb meem siab, nws tsis tuaj yeem tau txais cov duab zoo txhais.
Yog li ntawd, nyob rau hauv ib lub siab, "uniformity" es tsis yog "lub cev pixel spacing" tam sim no txwv qhov kev txhim kho ntawm LED zaub screen txhais.
3. Zaub npo pixel tawm ntawm kev tswj
Muaj ntau ntau yam vim li cas rau cov zaub screen pixels kom tawm ntawm kev tswj, qhov tseem ceeb tshaj plaws yog "LED tsis ua hauj lwm".
Qhov laj thawj tseem ceeb ntawm LED tsis ua haujlwm tuaj yeem muab faib ua ob yam: ib qho yog qhov tsis zoo ntawm LED nws tus kheej;Qhov thib ob, txoj kev siv yog tsis tsim nyog.Los ntawm kev txheeb xyuas, peb xaus qhov sib raug zoo ntawm LED tsis ua haujlwm hom thiab ob qho laj thawj tseem ceeb.
Raws li tau hais los saum no, ntau qhov teeb meem LED tsis tuaj yeem pom nyob rau hauv kev tshuaj xyuas niaj hnub thiab kev sim ntawm LED.Ntxiv rau qhov raug electrostatic tawm, qhov loj tam sim no (ua rau qhov kub thiab txias ntau dhau), sab nraud quab yuam thiab lwm yam kev siv tsis raug, ntau LED tsis ua haujlwm yog tshwm sim los ntawm qhov sib txawv sab hauv kev ntxhov siab los ntawm qhov sib txawv thermal expansion coefficients ntawm LED chips, epoxy resins, kev txhawb nqa, sab hauv. leads, khoom siv lead ua adhesives, PPA khob thiab lwm yam ntaub ntawv nyob rau hauv high kub, tsis kub, kub hloov ceev los yog lwm yam mob hnyav.Yog li ntawd, kev soj ntsuam zoo ntawm LED yog ib txoj haujlwm nyuaj heev.
4. Lub neej
Cov yam tseem ceeb cuam tshuam rau lub neej ntawm LED zaub screen muaj xws li sab hauv thiab sab nraud, nrog rau kev ua haujlwm ntawm cov khoom siv peripheral, kev ua haujlwm ntawm LED teeb pom kev zoo, thiab kev qaug zog ntawm cov khoom;Cov yam ntxwv sab hauv suav nrog qhov chaw ua haujlwm ntawm LED zaub screen, thiab lwm yam.
1).Peripheral feem cuam tshuam
Ntxiv nrog rau cov khoom siv hluav taws xob LED, LED cov khoom siv kuj tseem siv ntau lwm yam khoom siv peripheral, nrog rau cov khoom siv hluav taws xob, cov plhaub yas, hloov cov khoom siv hluav taws xob, cov khoom sib txuas, chassis, thiab lwm yam. Txhua qhov teeb meem nrog ib qho kev tivthaiv yuav txo tau lub neej ntawm cov zaub.Yog li ntawd, lub neej ntev tshaj plaws ntawm lub vijtsam zaub yog txiav txim siab los ntawm lub neej ntawm cov khoom tseem ceeb nrog lub neej luv tshaj plaws.Piv txwv li, LED, hloov hluav taws xob thiab cov vaj tsev hlau yog txhua tus xaiv raws li tus qauv 8 xyoo, thaum cov txheej txheem tiv thaiv kev ua haujlwm ntawm lub rooj tsavxwm tuaj yeem txhawb nqa nws txoj haujlwm tsuas yog 3 xyoos.Tom qab 3 xyoos, nws yuav raug puas tsuaj vim corrosion, yog li peb tsuas tuaj yeem tau txais 3-xyoos zaub screen.
2).Qhov cuam tshuam ntawm LED Teeb Emitting Device Performance
LED lub teeb emitting li yog qhov tseem ceeb tshaj plaws thiab lub neej ntsig txog cov khoom ntawm lub vijtsam zaub.Rau LED, nws feem ntau suav nrog cov ntsuas hauv qab no: cov yam ntxwv attenuation, dej vapor permeability yam ntxwv, thiab ultraviolet tsis kam.Yog tias cov chaw tsim khoom lag luam LED tsis ua tiav qhov kev ntsuam xyuas ntawm qhov ntsuas qhov ua tau zoo ntawm cov khoom siv LED, nws yuav raug siv rau cov zaub, uas yuav ua rau muaj ntau yam xwm txheej zoo thiab cuam tshuam rau lub neej ntawm LED zaub.
3).Cov nyhuv ntawm qaug zog tsis kam ntawm cov khoom
Kev tiv thaiv kev qaug zog ntawm LED zaub screen khoom nyob ntawm cov txheej txheem ntau lawm.Nws yog ib qho nyuaj los xyuas kom meej lub anti qaug zog kev ua tau zoo ntawm modules uas ua los ntawm tsis zoo peb tiv thaiv kev kho mob.Thaum qhov kub thiab av noo hloov, qhov chaw tiv thaiv ntawm lub rooj tsav xwm hauv Circuit Court yuav tshwm sim tawg, ua rau poob ntawm kev tiv thaiv kev ua haujlwm.
Yog li ntawd, cov txheej txheem ntau lawm ntawm LED zaub screen kuj yog ib qho tseem ceeb los txiav txim lub neej ntawm cov zaub screen.Cov txheej txheem tsim khoom koom nrog hauv kev tsim cov tshuaj ntsuam xyuas suav nrog: cov txheej txheem khaws cia thiab pretreatment txheej txheem, qhov cub vuam txheej txheem, peb txheej txheem pov thawj, txheej txheem sealing dej, thiab lwm yam. Kev ua tau zoo ntawm cov txheej txheem muaj feem xyuam rau kev xaiv thiab kev faib ua feem ntawm cov ntaub ntawv, kev tswj tsis tau thiab qhov zoo ntawm cov neeg ua haujlwm.Rau feem ntau LED zaub manufacturers, tsub zuj zuj ntawm kev paub yog ib qho tseem ceeb heev.Lub Hoobkas nrog ntau xyoo ntawm kev paub yuav tswj cov txheej txheem ntau lawm zoo dua.
4).Kev cuam tshuam ntawm ib puag ncig ua haujlwm
Vim yog lub hom phiaj sib txawv, kev ua haujlwm ntawm lub vijtsam zaub sib txawv heev.Nyob rau hauv cov nqe lus ntawm ib puag ncig, qhov sib txawv ntawm qhov kub hauv tsev yog me me, thiab tsis muaj kev cuam tshuam los ntawm nag, daus thiab ultraviolet lub teeb;Qhov siab tshaj plaws kub sib txawv sab nraud tuaj yeem ncav cuag 70 degrees, ntxiv rau cua, hnub thiab nag.Qhov chaw tsis zoo yuav ua rau muaj kev laus zuj zus ntawm qhov screen, thiab qhov chaw ua haujlwm yog qhov tseem ceeb cuam tshuam rau lub neej ntawm lub vijtsam.
Lub neej ntawm LED zaub screen yog txiav txim siab los ntawm ntau yam, tab sis qhov kawg ntawm lub neej tshwm sim los ntawm ntau yam tuaj yeem txuas ntxiv txuas ntxiv los ntawm kev hloov ntawm qhov chaw (xws li hloov lub zog hluav taws xob).Txawm li cas los xij, LED tsis tuaj yeem hloov pauv hauv qhov ntau.Yog li ntawd, ib zaug lub neej ntawm LED xaus, nws txhais tau tias lub neej ntawm cov zaub screen xaus.
Peb hais tias LED lub neej txiav txim siab lub neej ntawm cov zaub screen, tab sis peb tsis txhais hais tias LED lub neej yog sib npaug rau lub neej ntawm cov zaub screen.Txij li thaum lub vijtsam zaub tsis ua haujlwm tag nrho txhua lub sijhawm thaum nws ua haujlwm, lub neej ntev ntawm lub vijtsam yuav tsum yog 6-10 npaug ntawm LED thaum nws ua yeeb yaj kiab video ib txwm, thiab lub neej ntev ntawm LED tuaj yeem ua haujlwm. yuav ntev dua thaum nws ua haujlwm ntawm qhov tam sim no.Yog li ntawd, lub neej ntawm LED zaub screen nrog hom no tuaj yeem ncav cuag li 50000 teev.
Post lub sij hawm: Dec-20-2022