Hauv peb lub xyoos dhau los, cov khoom siv thiab kev muag khoom ntawm me me pixel pitch LED cov ntxaij vab tshaus loj tau tswj hwm qhov kev loj hlob txhua xyoo ntawm ntau dua 80%.Qhov kev loj hlob theem no tsis yog tsuas yog nyob rau ntawm cov thev naus laus zis saum toj kawg nkaus hauv kev lag luam loj-screen niaj hnub no, tab sis kuj tseem nyob ntawm kev loj hlob ntawm kev lag luam loj-screen.Kev loj hlob sai ntawm kev lag luam qhia tau hais tias qhov tseem ceeb ntawm me me pixel suab LED thev naus laus zis.
COB: Qhov nce ntawm "Tsim Thib Ob" cov khoom
me me pixel suab LED cov ntxaij vab tshaus siv COB encapsulation technology hu ua "thib ob tiam" me me pixel suab LED zaub.Txij li thaum xyoo tas los, cov khoom lag luam no tau qhia txog qhov sib txawv ntawm kev lag luam kev loj hlob sai thiab tau dhau los ua "kev xaiv zoo tshaj" txoj hauv kev rau qee lub lag luam uas tsom mus rau high-end hais kom ua thiab xa cov chaw.
SMD, COB rau MicroLED, yav tom ntej Trends rau Loj Pitch LED Screens
COB yog lub npe luv ntawm English ChipsonBoard.Lub tshuab thev naus laus zis tshaj plaws tau pib hauv xyoo 1960.Nws yog "kev tsim hluav taws xob" uas lub hom phiaj ua kom yooj yim cov qauv pob ntawm cov khoom siv hluav taws xob ultra-fine thiab txhim kho kev ruaj ntseg ntawm cov khoom kawg.Hais lus yooj yim, cov qauv ntawm cov pob COB yog qhov qub, liab qab nti lossis cov khoom siv hluav taws xob tau ncaj qha rau ntawm lub rooj tsav xwm Circuit Court thiab them nrog cov khoom tshwj xeeb.
Hauv cov ntawv thov LED, pob COB feem ntau yog siv hauv cov teeb pom kev zoo siab thiab cov pixel suab me me LED zaub.Cov yav dhau los suav hais tias qhov zoo ntawm kev ua kom txias tau coj los ntawm COB thev naus laus zis, thaum yav tas los tsis tsuas yog siv tag nrho cov txiaj ntsig kev ruaj ntseg ntawm COB hauv cov khoom cua txias, tab sis kuj ua tiav qhov tshwj xeeb ntawm "kev ua tau zoo".
Cov txiaj ntsig ntawm COB encapsulation ntawm me me pixel pitch LED cov ntxaij vab tshaus suav nrog: 1. Muab lub tshuab ua kom txias zoo dua.Vim hais tias cov pob COB yog cov khoom siv lead ua ncaj qha nyob rau hauv kev sib cuag nrog PCB pawg thawj coj saib, nws tuaj yeem siv tag nrho ntawm "substrate cheeb tsam" kom ua tiav cov cua sov thiab cov cua sov.Lub tshav kub dissipation theem yog lub hauv paus tseem ceeb uas txiav txim siab qhov kev ruaj ntseg, taw tes qhov tsis xws luag thiab kev pab cuam lub neej ntawm me me pixel suab LED cov ntxaij vab tshaus.Ib tug zoo dua tshav kub dissipation qauv ib txwm txhais tau tias zoo tag nrho stability.
2. Lub pob COB yog cov qauv kaw tiag tiag.Xws li PCB pawg thawj coj saib xyuas, cov khoom siv lead ua, cov ko taw thiab cov hlau lead, thiab lwm yam yog tag nrho kaw tag nrho.Cov txiaj ntsig ntawm cov qauv kaw tau pom tseeb - piv txwv li, noo noo, pob, kev puas tsuaj ntawm cov kab mob, thiab kev tu kom yooj yim ntawm cov cuab yeej.
3. Cov pob COB tuaj yeem tsim nrog ntau qhov tshwj xeeb "tso duab optics" nta.Piv txwv li, nws cov qauv pob, tsim ntawm amorphous cheeb tsam, tuaj yeem them nrog cov khoom siv hluav taws xob dub.Qhov no ua rau cov khoom siv pob COB zoo dua hauv qhov sib piv.Rau lwm qhov piv txwv, lub pob COB tuaj yeem hloov kho tshiab ntawm cov qauv tsim kho qhov muag saum cov siv lead ua kom paub txog naturalization ntawm pixel hais thiab txhim kho qhov tsis zoo ntawm qhov loj me me thiab dazzling brightness ntawm cov pa me me pixel suab LED cov ntxaij vab tshaus.
4. COB encapsulation siv lead ua soldering tsis siv nto mount SMT reflow soldering txheej txheem.Hloov chaw, nws tuaj yeem siv "cov txheej txheem kub tsis tshua muaj" nrog rau cov thermal siab vuam, ultrasonic vuam, thiab kub hlau sib txuas.Qhov no ua rau cov khoom tawg yooj yim semi-conductor LED siv lead ua tsis raug rau qhov kub siab tshaj 240 degrees.Cov txheej txheem kub kub yog qhov tseem ceeb ntawm qhov sib txawv me me LED qhov tuag thiab cov teeb tuag, tshwj xeeb tshaj yog cov teeb tuag.Thaum cov txheej txheem tuag txuas qhia pom lub teeb tuag thiab yuav tsum tau kho, "secondary high-temperature reflow soldering" kuj yuav tshwm sim.Cov txheej txheem COB tshem tawm tag nrho qhov no.Qhov no kuj yog tus yuam sij rau cov txheej txheem COB qhov chaw tsis zoo tsuas yog ib feem kaum ntawm cov khoom nto-mount.
Tau kawg, cov txheej txheem COB kuj muaj nws "tsis muaj zog."Thawj yog qhov teeb meem nqi.Cov txheej txheem COB raug nqi ntau dua li txheej txheem mount nto.Qhov no yog vim hais tias cov txheej txheem COB tiag tiag yog ib theem encapsulation, thiab cov nto mount yog lub davhlau ya nyob twg integration.Ua ntej txheej txheem mount nto yog siv, LED siv lead ua hais tau dhau los ua txheej txheem encapsulation.Qhov sib txawv no tau ua rau COB muaj kev nqis peev ntau dua, tus nqi pib, thiab cov txheej txheem thev naus laus zis los ntawm LED npo kev lag luam pom.Txawm li cas los xij, yog tias "lub teeb pob thiab lub davhlau ya nyob twg kev sib koom ua ke" ntawm cov txheej txheem nto-mounting yog piv nrog cov txheej txheem COB, tus nqi hloov pauv tau txaus, thiab muaj kev nyiam rau tus nqi txo nrog cov txheej txheem kev ruaj ntseg thiab daim ntawv thov kev loj hlob.
Qhov thib ob, qhov pom kev sib xws ntawm COB encapsulation cov khoom yuav tsum tau hloov kho tshiab.Xws li cov grey sib xws ntawm cov kua nplaum encapsulating nws tus kheej thiab qhov sib xws ntawm qib brightness ntawm lub teeb-emitting siv lead ua, nws ntsuam xyuas cov kev tswj zoo ntawm tag nrho cov khoom lag luam saw thiab qib ntawm kev hloov kho tom ntej.Txawm li cas los xij, qhov tsis zoo no yog qhov teeb meem ntawm "kev paub muag muag."Los ntawm kev txhim kho thev naus laus zis, feem ntau cov tuam txhab hauv kev lag luam tau paub txog cov thev naus laus zis tseem ceeb rau kev tswj xyuas qhov pom kev sib xws ntawm kev tsim khoom loj.
Thib peb, COB encapsulation ntawm cov khoom nrog loj pixel qhov sib nrug heev ua rau "tsim complexity" ntawm cov khoom.Hauv lwm lo lus, COB thev naus laus zis tsis zoo dua, nws tsis siv rau cov khoom lag luam nrog P1.8 sib nrug.Vim hais tias ntawm qhov deb dua, COB yuav ua rau tus nqi tseem ceeb dua.- Qhov no yog ib yam li cov txheej txheem nto-mounting tsis tuaj yeem hloov tag nrho cov LED zaub, vim hais tias nyob rau hauv cov khoom p5 los yog ntau dua, qhov nyuaj ntawm cov txheej txheem nto-mount ua rau cov nqi nce.Cov txheej txheem COB yav tom ntej tseem yuav yog siv hauv P1.2 thiab cov khoom siv suab qis dua.
Nws yog precisely vim hais tias ntawm cov saum toj no zoo thiab qhov tsis zoo ntawm COB encapsulation me me pixel suab LED zaub uas: 1.COB tsis yog qhov ntxov tshaj txoj kev xaiv rau me me pixel suab LED zaub.Vim tias qhov me me pixel suab LED yog maj mam nce los ntawm cov khoom loj-pitch, nws yuav inevitably tau txais cov cuab yeej paub tab thiab muaj peev xwm ntawm cov txheej txheem nto-mounting.Qhov no kuj tsim cov qauv uas niaj hnub no qhov chaw-mounted me me pixel suab LEDs nyob rau feem ntau ntawm kev ua lag luam rau me me pixel suab LED cov ntxaij vab tshaus.
2. COB yog ib qho "kev zam tsis tau" rau me me pixel pitch LED zaub kom hloov pauv mus rau qhov me me thiab mus rau qhov siab tshaj plaws hauv tsev siv.Vim tias, ntawm qhov siab dua pixel ceev, qhov tuag-lub teeb tus nqi ntawm cov txheej txheem nto-mount dhau los ua "cov teeb meem khoom tiav."COB thev naus laus zis tuaj yeem txhim kho qhov tshwm sim tuag-teeb tshwm sim ntawm me me pixel suab LED zaub.Nyob rau tib lub sij hawm, nyob rau hauv lub siab-kawg hais kom ua thiab xa chaw lag luam, lub hauv paus ntawm cov zaub nyhuv tsis yog "brightness" tab sis "kev nplij siab thiab kev ntseeg" uas dominates.Qhov no yog qhov zoo ntawm COB technology.
Yog li ntawd, txij li xyoo 2016, kev txhim kho nrawm ntawm COB encapsulation me me pixel pitch LED zaub tuaj yeem suav tias yog kev sib xyaw ua ke ntawm "cov suab me me" thiab "kev ua lag luam siab dua".Kev ua lag luam ntawm txoj cai lij choj no yog tias LED npo tuam txhab lag luam uas tsis koom nrog kev ua lag luam ntawm kev hais kom ua thiab xa cov chaw muaj kev txaus siab me ntsis rau COB thev naus laus zis;LED npo tuam txhab uas muag feem ntau tsom mus rau kev ua lag luam ntawm kev hais kom ua thiab xa cov chaw yog tshwj xeeb yog txaus siab rau txoj kev loj hlob ntawm COB technology.
Technology tsis muaj qhov kawg, lub vijtsam loj MicroLED tseem nyob ntawm txoj kev
Cov kev hloov pauv ntawm LED cov khoom lag luam tau ntsib peb theem: hauv-kab, nto-mount, COB, thiab ob lub kiv puag ncig.Los ntawm in-line, nto-mount, mus rau COB txhais tau hais tias me me suab thiab siab dua.Cov txheej txheem evolutionary no yog qhov kev nce qib ntawm LED zaub, thiab nws kuj tau tsim ntau thiab ntau dua high-end daim ntawv thov kev lag luam.Yog li ntawd yuav zoo li no evolution yees nyob rau hauv lub neej yav tom ntej?Cov lus teb yog yog.
LED npo los ntawm inline mus rau saum npoo ntawm cov kev hloov pauv, feem ntau yog kev sib xyaw ua ke thiab cov teeb hlaws pob cov ntsiab lus hloov pauv.Cov txiaj ntsig ntawm qhov kev hloov pauv no feem ntau yog cov peev txheej sib xyaw ua ke ntau dua.LED npo nyob rau hauv me me pixel suab theem, los ntawm cov txheej txheem nto-mount mus rau cov txheej txheem COB hloov, ntxiv rau cov txheej txheem kev sib koom ua ke thiab pob cov kev hloov pauv, COB kev koom ua ke thiab encapsulation kev koom ua ke yog cov txheej txheem ntawm tag nrho kev lag luam saw rov segmentation.Nyob rau tib lub sijhawm, cov txheej txheem COB tsis tsuas yog ua rau me me lub suab tswj lub peev xwm, tab sis kuj coj tau zoo dua qhov pom kev nplij siab thiab kev ntseeg siab.
Tam sim no, MicroLED thev naus laus zis tau dhau los ua lwm qhov tseem ceeb ntawm kev tshawb nrhiav LED loj-screen.Piv nrog rau nws cov tiam dhau los COB txheej txheem me me pixel suab LEDs, lub tswv yim MicroLED tsis yog kev hloov pauv hauv kev koom ua ke lossis encapsulation thev naus laus zis, tab sis hais txog "miniaturization" ntawm lub teeb hlaws muaju.
Nyob rau hauv lub ultra-siab pixel ceev me me pixel suab LED cov khoom lag luam, muaj ob qhov kev cai tshwj xeeb: Ua ntej, siab pixel ceev, nws tus kheej xav tau lub teeb me me.COB technology ncaj qha encapsulates crystal particles.Piv nrog rau saum npoo mount technology, lub teeb hlaws cov khoom uas twb tau encapsulation yog soldered.Lawm, lawv muaj qhov zoo ntawm geometric qhov ntev.Qhov no yog ib qho ntawm cov laj thawj vim li cas COB yog qhov tsim nyog rau cov khoom me me ntawm cov khoom siv LED.Qhov thib ob, qhov siab dua pixel ceev kuj txhais tau hais tias qhov yuav tsum tau muaj qhov ci ntsa iab ntawm txhua pixel raug txo.Ultra-me me pixel suab LED cov ntxaij vab tshaus, feem ntau yog siv rau sab hauv tsev thiab nyob ze saib kev ncua deb, muaj lawv tus kheej yuav tsum tau rau brightness, uas tau txo los ntawm ntau txhiab lumens nyob rau hauv sab nraum zoov cov ntxaij vab tshaus mus rau tsawg tshaj li ib txhiab, los yog txawm pua pua lumens.Tsis tas li ntawd, qhov nce ntawm cov pixels ntawm ib cheeb tsam ib cheeb tsam, kev nrhiav kev ci ntsa iab ntawm ib qho siv lead ua yuav poob.
Kev siv MicroLED's micro-crystal qauv, uas yog ua kom tau raws li qhov me me geometry (hauv cov ntawv thov, MicroLED siv lead ua loj tuaj yeem yog ib txog kaum-txhiab ntawm tam sim no mainstream me me pixel suab LED teeb ntau), kuj ua tau raws li cov yam ntxwv ntawm qis dua. brightness crystal particles nrog ntau dua pixel ceev yuav tsum tau.Nyob rau tib lub sijhawm, tus nqi ntawm LED zaub yog qhov loj ntawm ob ntu: txheej txheem thiab substrate.Me me microcrystalline LED zaub txhais tau tias tsawg dua cov khoom siv substrate.Los yog, thaum lub pixel qauv ntawm ib tug me me pixel pitch coj screen yuav ua tau ib txhij txaus siab los ntawm loj-loj thiab me-loj-loj LED crystals, adopting lub tom kawg txhais tau tias tus nqi qis.
Hauv cov ntsiab lus, cov txiaj ntsig ncaj qha ntawm MicroLEDs rau me me pixel suab LED cov ntxaij vab tshaus loj suav nrog cov khoom siv qis dua, zoo dua qhov ci ntsa iab, kev ua haujlwm siab grey, thiab me me geometry.
Tib lub sijhawm, MicroLEDs muaj qee qhov zoo ntxiv rau cov ntxaij vab tshaus me me pixel pitch LED: 1. Cov khoom siv lead ua me me txhais tau tias thaj tsam ntawm cov khoom siv crystalline tau poob qis heev.Xws li ib qho me me pixel pitch LED npo tuaj yeem siv cov khoom siv teeb pom kev zoo thiab cov tswv yim ntawm thaj chaw loj dua los txhim kho cov teeb meem dub thiab tsaus grey ntawm LED npo.2. Cov khoom siv lead ua me me tso tawm ntau chav rau lub cev ntawm LED screen.Cov txheej txheem no tuaj yeem npaj nrog lwm cov khoom siv sensor, cov qauv kho qhov muag, cov qauv cua sov, thiab lwm yam.3. Qhov me me pixel pitch LED zaub ntawm MicroLED thev naus laus zis tau txais cov txheej txheem COB encapsulation tag nrho thiab muaj tag nrho cov txiaj ntsig ntawm COB cov khoom siv thev naus laus zis.
Tau kawg, tsis muaj kev siv tshuab zoo meej.MicroLED tsis muaj qhov zam.Piv nrog rau cov qauv me me pixel pitch LED zaub thiab ntau COB-encapsulation LED zaub, qhov tsis zoo ntawm MicroLED yog "txoj kev encapsulation ntau dua."Kev lag luam hu qhov no "ntau npaum li cas ntawm kev hloov tshuab."Ntawd yog, ntau lab ntawm LED muaju rau ntawm lub wafer, thiab ib qho kev ua haujlwm siv lead ua tom qab kev sib cais, tsis tuaj yeem ua tiav hauv kev siv tshuab yooj yim, tab sis xav tau cov cuab yeej tshwj xeeb thiab cov txheej txheem.
Cov tom kawg kuj yog "tsis muaj qhov khoob" hauv kev lag luam MicroLED tam sim no.Txawm li cas los xij, tsis zoo li ultra-fine, ultra-high-density MicroLED cov lus siv hauv VR lossis cov xov tooj ntawm tes, MicroLEDs yog thawj zaug siv rau qhov loj-pitch LED zaub yam tsis muaj "pixel ntom" txwv.Piv txwv li, qhov chaw pixel ntawm P1.2 lossis P0.5 qib yog lub hom phiaj cov khoom lag luam uas yooj yim rau "ua tiav" rau "kev hloov pauv loj" thev naus laus zis.
Nyob rau hauv teb rau qhov teeb meem ntawm loj npaum li cas ntawm kev hloov tshuab, Taiwan cov lag luam pab pawg tsim kev sib haum xeeb daws teeb meem, uas yog 2.5 tiam ntawm me me pixel suab LED cov ntxaij vab tshaus: MiniLED.MiniLED siv lead ua cov khoom loj dua li cov tsoos MicroLED, tab sis tseem tsuas yog ib feem kaum ntawm cov pa me me pixel suab LED screen muaju, lossis ob peb kaum ntawm.Nrog rau cov khoom siv thev naus laus zis-txo MINILED, Innotec ntseeg tias nws yuav muaj peev xwm ua tiav "cov txheej txheem kom loj hlob" thiab ntau lawm hauv 1-2 xyoos.
Ntawm qhov tod tes, MicroLED thev naus laus zis yog siv nyob rau hauv me me pixel pitch LED thiab loj-screen lag luam, uas tuaj yeem tsim "tus qauv zoo tshaj" ntawm kev ua tau zoo, qhov sib piv, xim ntsuas, thiab qib txuag hluav taws xob uas nyob deb tshaj cov khoom uas twb muaj lawm.Txawm li cas los xij, los ntawm nto-mounting rau COB rau MicroLED, qhov me me pixel pitch LED kev lag luam yuav raug hloov kho dua tshiab los ntawm ib tiam dhau ib tiam, thiab nws tseem yuav xav tau kev tsim kho tshiab hauv cov txheej txheem thev naus laus zis.
Craftsmanship Reserve Tests "Qhov kawg sim" ntawm me me pixel suab LED Kev lag luam Manufacturers
LED npo cov khoom lag luam los ntawm cov kab, qhov chaw mus rau COB, nws qhov kev txhim kho tas mus li ntawm kev sib koom ua ke, lub neej yav tom ntej ntawm MicroLED cov khoom lag luam loj, "kev hloov pauv loj" thev naus laus zis tseem nyuaj dua.
Yog tias cov txheej txheem hauv-kab yog cov cuab yeej qub uas tuaj yeem ua tiav los ntawm tes, tom qab ntawd cov txheej txheem nto-mounting yog txheej txheem uas yuav tsum tau ua txhua yam, thiab COB thev naus laus zis yuav tsum ua kom tiav nyob rau hauv ib puag ncig huv si, tag nrho automated, thiab numerically tswj system.Cov txheej txheem MicroLED yav tom ntej tsis tsuas yog muaj tag nrho cov yam ntxwv ntawm COB, tab sis kuj tsim ntau qhov "tsawg kawg" cov khoom siv hluav taws xob hloov pauv.Qhov nyuaj yog hloov kho dua tshiab, suav nrog ntau qhov nyuaj ntawm kev lag luam semiconductor kev tsim khoom.
Tam sim no, qhov loj ntawm cov thev naus laus zis hloov pauv uas MicroLED sawv cev rau kev saib xyuas thiab kev tshawb fawb thiab kev loj hlob ntawm thoob ntiaj teb loj xws li Apple, Sony, AUO thiab Samsung.Kua muaj cov qauv tso saib ntawm cov khoom siv coj los siv, thiab Sony tau ua tiav loj ntawm P1.2 pitch splicing LED cov ntxaij vab tshaus loj.Lub hom phiaj ntawm lub tuam txhab Taiwanese yog los txhawb kev loj hlob ntawm cov khoom siv hloov pauv loj thiab dhau los ua tus neeg sib tw ntawm OLED cov khoom lag luam.
Nyob rau hauv qhov kev nce qib ntawm cov ntxaij vab tshaus LED no, qhov sib txawv ntawm cov txheej txheem nyuaj zuj zus muaj nws qhov zoo: piv txwv li, nce kev lag luam pib, tiv thaiv tus nqi tsis muaj txiaj ntsig ntau dua, nce kev lag luam concentration, thiab ua cov tuam txhab lag luam tseem ceeb "kev sib tw".Qhov zoo “ua kom muaj zog thiab tsim cov khoom zoo dua.Txawm li cas los xij, hom kev txhim kho kev lag luam no kuj muaj nws qhov tsis zoo.Ntawd yog, qhov pib rau tiam tshiab ntawm kev hloov kho thev naus laus zis, qhov pib rau nyiaj txiag, qhov pib rau kev tshawb fawb thiab kev loj hlob muaj peev xwm siab dua, lub voj voog rau kev tsim cov kev xav tau kev xav tau ntev dua, thiab kev pheej hmoo peev kuj nce ntxiv.Cov kev hloov pauv tom kawg yuav ua rau muaj kev cuam tshuam ntau dua rau kev ywj pheej ntawm cov neeg loj thoob ntiaj teb tshaj li kev tsim cov tuam txhab tshiab hauv zos.
Txawm li cas los xij qhov kawg me me pixel suab LED cov khoom tuaj yeem zoo li, kev hloov kho tshiab yog ib txwm tsim nyog tos.Muaj ntau yam thev naus laus zis uas tuaj yeem rub tawm hauv cov khoom siv thev naus laus zis ntawm kev lag luam LED: tsis yog COB nkaus xwb tab sis kuj siv tshuab flip-chip;Tsis tsuas yog MicroLEDs tuaj yeem ua QLED muaju lossis lwm yam khoom siv.
Nyob rau hauv luv luv, lub me me pixel suab LED loj screen kev lag luam yog ib qho kev lag luam uas txuas ntxiv innovate thiab ua ntej technology.
Post lub sij hawm: Jun-08-2021