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Micro LED ci ntsa iab lub vijtsam pob tshab

2024-08-16

Kev sib xyaw ua ke ntawm kev tso saib thiab kev pob tshab yuav ua rau muaj ntau yam xwm txheej tsis tau muaj dua los siv. Tab sis cov thev naus laus zis tso saib twg zoo tshaj plaws rau Zaub pob tshabCov kev sim ua tas mus li ntawm LCD, OLED losMicro LEDtau pom "cov lus teb yog"!

Micro LED thev naus laus zis yeej qhov kev sib ntaus sib tua ntawm txoj kev tso saib pob tshab

Ntawm 2024 WAIC, Lenovo coj lub laptop zaub pob tshab thawj zaug hauv ntiaj teb, uas siv lub vijtsam Micro LED pob tshab tag nrho 17-nti. Au nthuav qhia lub ntiaj teb qhov loj tshaj plaws 30-nti tsis muaj tsom iav 3D Micro LED dual-layer zaub ntawm Touch Taiwan 2024. Yav dhau los, AU kuj tau qhia lub vijtsam Micro LED pob tshab 60-nti rau ntau yam xwm txheej ntawm ISE 2024. Ntawm CES 2024, Samsung tau qhia nws thawj lub vijtsam MicroLED pob tshab. Ntawm CITE 2024, Tianma Microelectronics qhia txog 8.07 "siab PPI pob tshab zoo li Micro LED zaub, PPI txog li 167, transmittance txog li 55%, puv npo qhov ci ntsa iab >1500nits...

Tsis yog cov ntaub ntawv tiav, txij li xyoo 2023 txog rau tam sim no, ntau dua 15 lub tuam txhab hauv ntiaj teb tau tso tawm ntau yam Micro LED zaub pob tshabcov khoom lag luam, kev ua lag luam npog ntau yam xwm txheej xws li tsheb, kev ua lag luam tso saib, IT thiab kev siv, 3D, ob qho tib si pob tshab tag nrho-hauv-ib lub tshuab, cov zaub me me pob tshab, thiab cov khoom siv tso saib engineering uas ua tau raws li qhov xav tau ntawm 1 * N splicing cov ntxaij vab tshaus loj. Nws tuaj yeem hais tias kev tsim kho tshiab thiab kev muaj tswv yim ntawm Micro Led Pob tshab kev ua lag luam tab tom nkag mus rau theem paj tag nrho.

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Yog li ntawd, nyob rau hauv cov thev naus laus zis sib txawv, vim li cas Micro LED thiaj li nyiam tau ntau dua "lub zog tshiab ntawm kev tsim kho tshiab ntawm kev tso saib pob tshab"? Cov lus teb yog tias ob qho tib si LCD thiab OLED cov thev naus laus zis muaj lawv qhov tsis zoo uas tsis haum rau kev pom tseeb.

Ua ntej tshaj plaws, cov khoom siv LCD uas siv thev naus laus zis yuav tsum muaj lub teeb pom kev zoo los muab qhov ci ntsa iab. Lub LCD uas muaj lub teeb pom kev zoo yuav tsum ua hom teeb pom kev zoo sab nraud. Lub teeb pom kev zoo sab nraud muaj qhov me me, cov duab tshwj xeeb thiab kev ua haujlwm tsawg heev. Tshwj xeeb tshaj yog rau cov zaub pom kev zoo loj, nws qhov ci ntsa iab feem ntau tsis siab txaus, ua rau cov nyhuv ntawm qhov screen zaub txo qis heev.

Tsis tas li ntawd xwb, lub LCD backlight teeb pom kev zoo kuj muaj teeb pom kev zoo rau qhov chaw pob tshab ntawm cov uas tsis yog pixels ntawm lub vijtsam pob tshab LCD. Qhov no ua rau nws nyuaj rau qhov sib piv ntawm cov pixels ntawm lub vijtsam pob tshab LCD thiab qhov tsis yog pob tshab ntawm qhov zaub kom "loj heev", uas cuam tshuam ntxiv rau qhov zoo ntawm daim duab.

Qhov thib ob, lub vijtsam pob tshab ntawm OLED thev naus laus zis tam sim no muaj nyob rau hauv ntau yam khoom, nrog rau qhov siab tshaj plaws ntawm 77 nti, thiab tuaj yeem tsim los txhawb cov ntawv thov splicing. Txawm li cas los xij, KOJ YOGCov thev naus laus zis tso saib yeej ib txwm tsis zoo hauv kev ua haujlwm ci ntsa iab. Piv txwv li, cov qauv OLED ob txheej siv rau ntawm IT screen yog los txhim kho qib ci ntsa iab. Thiab cov zaub pob tshab, vim tias thaj chaw loj ntawm lub vijtsam siv ua cov qauv pob tshab, es tsis yog cov qauv duab OLED, qhov sib npaug ntawm qhov ci ntsa iab thiab pob tshab kuj ntsib teeb meem. Thaum qhov ci ntsa iab tsis txaus, cov nyhuv tso saib yuav poob qis hauv qhov chaw muaj teeb pom kev zoo.

Peb hais tau tias qhov teeb meem loj tshaj plaws rau LCD thiab OLED daim ntawv thov pob tshab yog "yuav ua li cas txhim kho qhov ci ntsa iab". Hauv qhov no, Micro LED muaj qhov zoo dua ntuj. Micro LED siv rau cov ntxaij vab tshaus pob tshab tuaj yeem tau txais qhov ci ntsa iab ntau dua 1000 nits. Qhov no yog vim qib siab thiab kev txhim kho tas li ntawm kev ua haujlwm ntawm LED thev naus laus zis. "Cov thev naus laus zis tso saib uas twb muaj lawm, Micro LED yog qhov yooj yim tshaj plaws los ua kom muaj qhov ci ntsa iab siab hauv qab qhov nkag mus siab", cov kws tshaj lij hauv kev lag luam hais.

Micro LED zaub pob tshab, lub teeb thiab pob tshab txaus

Rau qhov zoo ntawm Micro LED zaub ntawm lub hauv paus ntsiab lus ntawm pob tshab, kev lag luam ntseeg tias ntxiv rau qhov ua haujlwm siab thiab lub teeb ci ntsa iab ntawm LED nws tus kheej, qhov me me ntawm Micro LED siv lead ua kuj yog qhov zoo dua.

Uas yog, cov qauv pixel ntawm LCD thiab OLED cov ntxaij vab tshaus pob tshab, txhawm rau kom tswj tau "qhov ci txaus", cov qauv pixel yuav tsum tau ua kom tau raws li qee thaj chaw. Tam sim no, cov ntxaij vab tshaus pob tshab OLED, pixel thiab lwm yam qauv opaque feem ntau nyob ib nrab ntawm thaj chaw vaj huam sib luag tag nrho, uas yog qhov tseem ceeb rau nws txoj kev xa tawm tsis tuaj yeem txhim kho zoo heev.

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Nyob rau hauv kev sib piv, Micro LED siv lead ua ke yuav luag yog qhov tseeb luminescence. Nrog qhov loj me tsawg dua 50 microns, nws qhov piv ntawm thaj chaw ntawm qhov screen tuaj yeem txo qis dua 95% - uas yog, thaj chaw txaus yog pub dawb los muab qhov chaw rau pixel wiring thiab pob tshab qauv. Tib lub sijhawm, lub teeb ci LED siab tau sib sau ua ke rau hauv lub teeb taw tes, uas yog qhov zoo dua los tsim qhov sib piv siab dua ntawm pixel taw tes thiab qhov pob tshab, thiab cov xim saturation thiab peb-dimensional kev nkag siab ntawm pob tshab duab zoo dua.

Txawm tias, siv qhov zoo ntawm cov pixel me me ntawm Micro LED zaub, AU tau tsim cov khoom tso saib 3D uas pom tau los ntawm qhov muag liab qab nrog ob txheej Micro LED pixel layout. Kev lag luam ntseeg tias yav tom ntej tej zaum yuav siv cov Micro LED pixels me dua los ua ntau txheej pob tshab Micro LED pixel screens kom ua tiav cov khoom tso saib 3D zoo dua thiab txawm tias cov khoom tso saib stereoscopic holographic zoo dua.

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Ntxiv rau qhov kev daws teeb meem ntawm qhov tsis sib xws ntawm qhov ci ntsa iab thiab qhov permeability, Micro LED qhov me me thiab qhov ua haujlwm ci ntsa iab siab heev tuaj yeem pab txhawb rau qhov kev daws teeb meem. Micro LED kuj muaj qee qhov zoo hauv kev txhim kho qhov pom tseeb thiab qhov sib piv ntawm cov zaub pob tshab. Vim tias, piv nrog cov kua siv lead ua kua thiab OLED, Micro LED nws tus kheej tsis tsuas yog qhia qhov ci ntsa iab dua; Ntxiv mus, nws yooj yim los tswj cov xim saturation thiab qhov tseeb hauv qhov ntau dua qhov ci ntsa iab hloov kho tau, uas tuaj yeem muab qhov chaw dav dua rau kev tsim cov vijtsam pob tshab los kho qhov ci ntawm Micro LED raws li qhov kaj ib puag ncig.

Tau kawg, ua ib lub tshuab siv teeb pom kev zoo, Micro LED tsis tuaj yeem ua ib lub vijtsam ntawm nws tus kheej - nws xav tau ib lub substrate. Hauv qhov no, Micro LED kuj muaj qhov zoo dua. Ntawm ib sab tes, Micro LED tuaj yeem siv cov thev naus laus zis AM TFT iav substrate laus ntawm LCD thiab OLED; Ntawm qhov tod tes, nws kuj tuaj yeem siv cov khoom siv iav PM tsim tshwj xeeb rau Micro LED zaub daim ntawv thov. Qhov kawg yog qhov zoo rau kev txo tus nqi ntawm Micro LED zaub cov khoom ntawm cov zaub loj.

Txawm li cas los xij, txawm hais tias Micro LED muaj qhov zoo tshaj plaws theoretical "cov yam ntxwv kev" rau lub vijtsam pob tshab, kev lag luam tseem hais tias Micro LED pob tshab screen yuav tsum tau txhim kho hauv kev loj hlob ntawm kev siv tshuab, kev ntseeg siab thiab tus nqi yog tias nws xav ua cov khoom lag luam thoob ntiaj teb.

Cov txheej txheem sib koom ua ke los thaiv cov shackles kawg ntawm Micro LED zaub pob tshab

Txhua yam khoom uas nkag mus rau hauv kev ua lag luam yuav tsum xub ntsib qhov kev sim ntawm kev sib tw nqi. Tam sim no, Micro LED pob tshab zaub tseem tsis txaus siab rau qhov no. Qhov laj thawj tseem ceeb yog tias cov txheej txheem hloov pauv loj heev tsis tau loj hlob thiab ruaj khov.

Lub Micro LED zaub yog ib qho Micro LED crystal particle uas tau sib xyaw thiab vuam rau lub drive board. Rau cov khoom tso saib xim 2K, ntau dua 6.22 lab crystal particles yuav tsum tau hloov, muab tso rau, sib xyaw thiab kho. Tib lub sijhawm, nws yog qhov tsim nyog los ua kom muaj txiaj ntsig zoo thiab muaj txiaj ntsig zoo kom tswj tau tus nqi tsim khoom ntawm cov khoom. Nws yog qhov tseeb, cov txheej txheem no yuav tsis yooj yim. Tam sim no, kev lag luam feem ntau ntseeg tias kev hloov pauv loj ntawm cov thev naus laus zis sib xyaw ncaj qha xav tau 6 qhov txiaj ntsig ntawm 9 kom ua tiav qhov loj tshaj plaws ntawm kev tsim khoom loj.

Rau kev tso saib transparent, Micro LEDKev sib xyaw ua ke ntawm cov siv lead ua ke muaj teeb meem tshiab: txhawm rau kom ua tiav qhov sib xyaw ua ke zoo dua ntawm RGB pixels, cov sub-pixels yuav tsum nyob ze ua ke; Qhov ntawd yog, nws tsis yog qhov chaw sib xws lawm, tab sis kom paub qhov txawv ntawm thaj chaw ci ntsa iab ntawm pixel thiab thaj chaw pob tshab uas tsis ci ntsa iab. Yog tias nws tau tsim los rau hauv txoj kev no, qhov nyuaj ntawm kev hloov pauv ntau yam khoom yuav raug nce ntxiv.

Txawm li cas los xij, tam sim no, kev lag luam tau tsim cov thev naus laus zis ntim khoom MIP, uas yog, thawj zaug ntim ua tus kheej pixel ywj pheej, thiab tom qab ntawd ntau qhov kev koom ua ke. Qhov no txo qhov kev thov rau kev hloov pauv ntau los ntawm 1-2 qhov kev txiav txim ntawm qhov loj, thiab ua rau kev kuaj pom qhov tsis zoo thiab kho tsis nyuaj heev. Kev lag luam ntseeg tias kev tsim tshwj xeeb ntawm cov qauv pob MIP pob tshab thiab lub vijtsam pob tshab sib xyaw ua ke, kev siv PM iav tsav, yuav tsum muaj peev xwm txo qhov nyuaj thiab tus nqi ntawm cov txheej txheem khoom raws li cov xwm txheej thev naus laus zis uas twb muaj lawm.

Hauv ntej, cov thev naus laus zis Micro LED uas muaj pob tshab yuav tsum tau siv zog tas mus li hauv cov txheej txheem hloov pauv loj heev, kev nce qib tas mus li hauv tus nqi, thiab qhov tseem ceeb dua, los tshawb nrhiav nws cov tswv yim tsim khoom tshwj xeeb thiab kev lag luam thov khoom. Thiab tom qab ntawd tsim kev sib cuam tshuam zoo ntawm kev tsim kho tshiab ntawm daim ntawv thov thiab kev tsim khoom tshiab. Los ntawm qhov kev xav ntawm kev loj hlob ntawm kev lag luam, cov ntxaij vab tshaus Micro LED pob tshab thaum ntxov tsis tas yuav tsum tawm tsam tag nrho cov chaw uas muaj kev cuam tshuam nrog tus nqi xws li kev tshaj tawm pob tshab ntawm qhov rais, thiab tuaj yeem raug xaiv ua ntej hauv cov lag luam thov siab dua thiab muaj tswv yim, uas yog, cov chaw lag luam uas muaj tus nqi pheej yig dua.

Kev lag luam tau taw qhia tias peb txog tsib xyoos tom ntej no yog lub sijhawm tseem ceeb rau kev txhim kho sai thiab kev nthuav dav ntawm Micro LED cov zaub, thiab nws kuj yog lub sijhawm tseem ceeb rau kev hloov pauv ntawm cov zaub pob tshab Micro LED los ntawm cov qauv kev siv tshuab mus rau cov ntawv thov tsaws. Micro LED cov zaub pob tshab thiab cov khoom muaj tswv yim txuas ntxiv mus tshwm sim hauv kev lag luam tus qauv yuav nce siab dua. Hauv lub sijhawm luv luv, lub Micro LEDCov zaub pob tshab yuav tsim kom muaj kev sib tw nrog OLED cov zaub pob tshab, thiab nyob rau lub sijhawm ntev, Micro LED cov zaub pob tshab muaj peev xwm ua lag luam sib koom ua ke. Micro LED cov zaub pob tshab yog ib qho khoom lag luam tseem ceeb uas kev lag luam LED ncaj qha yuav tsum tau them sai sai rau.