Kev thov thiab cov cai tswjfwm kawg tsav kev loj hlob sai ntawm Micro LED kev lag luam

Micro LED yog cov thev naus laus zis tso saib hexagonal warrior. Ntau tshaj 80% ntawm tib neeg cov ntaub ntawv tau txais los ntawm lub qhov muag, thiab tib neeg cov kev xav tau siab dua rau qhov zoo ntawm cov duab tso saib thiab cov duab tsav tsheb txoj kev loj hlob thiab rov ua dua ntawm cov thev naus laus zis tso saib. Cov thev naus laus zis tso saib xim tau dhau los ntawm cov thev naus laus zis hloov pauv xws li CRT txij li nws txoj kev loj hlob, thiab tam sim no LCD thiab OLED thev naus laus zis tau tswj hwm. Hauv cov nqe lus ntawm kev ua tau zoo, Micro LED ua cov thev naus laus zis tso saib tiam tom ntej, piv nrog kev tsim khoom loj ntawm LCD thev naus laus zis (kua siv lead ua kua zaub) thiab OLED thev naus laus zis (organic light-emitting diode zaub), Micro LED muaj qhov zoo dua ntawm kev ua tau zoo hauv yuav luag txhua qhov kev ntsuas kev siv tshuab: Lub neej ntev, qhov sib piv siab, tuaj yeem ua tiav qhov kev daws teeb meem siab, teb sai, pom lub kaum sab xis dav dua, xim nplua nuj, suav tias yog qhov kev daws teeb meem kawg ntawm cov thev naus laus zis tso saib.

Ua ntej, tus nqi thiab kev ua tau zoo tsav Micro LED kev lag luam txuas ntxiv mus txhim kho

Micro LED yog ib qho tshiab LED miniaturization thiab matrix technology, uas yog hais txog kev koom ua ke ntawm high-density micro-size LED array ntawm ib lub chip. Cov thev naus laus zis no ua tiav ib qho taw tes tsav nws tus kheej teeb pom kev zoo los ntawm kev miniaturizing lub LED unit mus rau qib tsawg dua 50 microns, uas yog ~ 100 npaug me dua li cov LEDs ib txwm muaj thiab txo cov pixel pitch los ntawm millimeter mus rau micron. Yog li ntawd, Micro LED yog qhov tseem ceeb micron-level LED, thiab LED lub teeb-emitting diode yog ib lub khoom siv semiconductor solid-state uas tuaj yeem hloov lub zog hluav taws xob mus rau hauv lub teeb pom kev zoo.

Hais txog tus nqi, daim ntawv sapphire epitaxial 4-nti, txiav rau hauv cov chips LED ib txwm muaj li ntawm 60,000, txiav rau hauv Mini Led cov chips txog li 600,000, txiav Micro LED chips ntau dua 2.4 lab. Tib lub wafer, tus lej ntawm Micro LED tau nce ntxiv ntau, thiab tus nqi ntawm ib lub chip qis dua, uas kuj yog ib qho ntawm cov laj thawj rau kev txhim kho peev xwm ntawm Micro LED los ntawm qhov pom ntawm tus nqi.

Hais txog kev ua tau zoo, piv rau LCD technology thiab OLED technology uas tau tsim ntau lawm, Micro LED muaj qhov zoo dua hauv yuav luag txhua qhov kev ntsuas, xws li lub neej ntev, kev sib piv siab, kev daws teeb meem siab, kev teb sai, lub kaum sab xis pom dav dua, xim nplua nuj, lub teeb ci siab heev thiab kev siv hluav taws xob tsawg dua. Ntawm lawv, (1) nyias thiab sib dua: qhov loj ntawm Micro LED yog li 1/100 ntawm cov LED ib txwm muaj, lossis li 1/10 ntawm qhov dav ntawm cov plaub hau tib neeg; (2) Kev siv hluav taws xob tsawg: Micro LED siv peb lub qauv xim sub-pixel uas ci ntsa iab, cov txheej txheem tso saib LCD yuav tsum siv backlight rau polarizer thiab tom qab ntawd lim xim, cov txheej txheem tso saib muaj kev poob hluav taws xob ntau, piv rau ob qho, hauv daim ntawv thov tso saib ntawm Micro LED kev siv hluav taws xob yog li 10% ntawm LCD kev siv hluav taws xob. Micro LED siv cov khoom inorganic los tso tawm lub teeb, uas muaj kev ua haujlwm ci ntsa iab dua, thiab OLED siv cov khoom organic los tso tawm lub teeb, thiab kev siv hluav taws xob ci ntsa iab ntawm ob qho tib si qis dua li OLED. Yog li ntawd, hauv kev tso saib ntawm daim duab tib yam, kev siv hluav taws xob ntawm Micro LED qis dua OLED, thiab qis dua LCD; (3) Lub teeb ci siab: Micro LED siv cov khoom siv inorganic gallium nitride (GaN) hauv qhov ci, thiab nws lub teeb ci tuaj yeem ncav cuag 105cd / m2, siab dua li 3,000cd / m2 ntawm LCD thiab 1,500cd / m2 ntawm OLED, thiab lub neej ua haujlwm ntawm cov khoom siv inorganic ntev dua; (4) Kev daws teeb meem siab: nyob rau hauv Micro LED zaub thev naus laus zis, txhua Micro LED yog ib pixel uas tuaj yeem teeb pom kev zoo, thiab ib qho Micro LED yog nyob rau theem micron, yog li nws tuaj yeem ua tiav qhov kev daws teeb meem siab heev. Lub pixel ceev ntawm Micro LED zaub tuaj yeem ntau dua 1,500PPI, thaum LCD thiab OLED npo PPI yog li 800PPI thiab 400PPI.

Hauv kev xaus lus, tus nqi thiab kev ua tau zoo yuav txhawb nqa kev txhim kho tas mus li ntawm Micro LED kev lag luam.

Qhov thib ob, Micro LED daim ntawv thov scenarios

Micro LED yog lub thev naus laus zis tso saib zoo tshaj plaws ntawm yav tom ntej. Yog tias koj tsis xav txog tus nqi thiab kev ua tiav ntawm cov txheej txheem, tsuas yog saib cov ntaub ntawv kev ua tau zoo thiab cov cim qhia ntawm lub vijtsam, Micro LED yog qhov tseeb tshaj plaws ntawm lub thev naus laus zis tso saib, Micro LED txhua qhov cim qhia kev ua tau zoo dua li lwm cov thev naus laus zis tso saib. Hauv cov xwm txheej ntawm kev siv, Micro LED yog qhov tsim nyog rau txhua qhov loj me ntawm cov khoom siv. Los ntawm qhov kev xav ntawm kev ua tau zoo thiab kev ua tau zoo ntawm kev lag luam, Micro LED yuav yog thawj zaug siv rau cov ntxaij vab tshaus me me hauv qab 3 nti thiab cov ntxaij vab tshaus loj dua 100 nti.
Hais txog qhov me me ntawm cov zaub uas tsawg dua 3 nti, Micro LED yuav ua rau kev lag luam OLED puas tsuaj. Cov zaub me me vim tias qhov deb ntawm kev saib ze heev, qhov yuav tsum tau ua kom pom tseeb yog siab, thiab cov zaub me me yog qhov pom ntau hauv cov xov tooj ntawm tes, thiab nws kuj muaj qhov yuav tsum tau siv hluav taws xob ntau. Yog li ntawd, OLED tau dhau los ua cov thev naus laus zis tseem ceeb rau cov zaub me me nrog nws cov txiaj ntsig ntawm kev siv hluav taws xob tsawg thiab cov txiaj ntsig zoo ntawm kev pom, tab sis feem ntawm kev ua lag luam ntawm OLED hauv daim teb no yuav raug Micro LED puas tsuaj yav tom ntej. Ntawm ib sab tes, Micro LED zoo dua OLED hauv txhua qhov ntsuas kev ua tau zoo ntawm cov zaub xws li cov txiaj ntsig ntawm kev pom thiab kev siv hluav taws xob; Ntawm qhov tod tes, vim qhov loj me ntawm lub vijtsam thiab cov lej me me ntawm cov pixels, tus nqi ntawm Micro LED kuj tseem tswj tau. Los ntawm qhov kev pom ntawm thev naus laus zis tam sim no, Micro LED tau ua tiav cov chip miniaturization, tab sis tseem muaj qee qhov kev txwv hauv kev hloov pauv loj, cov txiaj ntsig yog tsawg, tam sim no, ntau lub tuam txhab tab tom tshawb nrhiav kev daws teeb meem kev txhim kho kev siv tshuab raws li cov nqi tswj tau.

Hais txog qhov zaub loj 3-99 nti, Micro LED nyuaj rau txo qhov feem ntawm kev ua lag luam ntawm LCD thiab OLED hauv lub sijhawm luv luv. Vim yog qhov deb saib ze, qhov zaub muaj qhov xav tau ntau dua rau qhov loj me ntawm lub nti thiab qhov siab, thaum qhov loj ntawm lub vijtsam loj dua thiab tag nrho cov pixels kuj ntau dua, yog li Micro LED siv rau qhov zaub loj 3-99 nti tau ua rau muaj kev nyuaj siab thiab tus nqi ntawm cov txheej txheem, thiab Micro LED thev naus laus zis loj hlob hauv qhov ntau no yuav tsum tau txhim kho. Thiab qhov tseem ceeb tshaj plaws yog tias thaj chaw loj no, txawm tias OLED me me thiab LCD loj, nws cov txiaj ntsig zoo ntawm tus nqi tsis hloov pauv. Yav tom ntej, nrog rau kev txo qis ntawm tus nqi ntawm Micro LED thiab kev txhim kho tas li ntawm thev naus laus zis, qhov sib txawv ntawm tus nqi thiab qhov nyuaj ntawm cov txheej txheem ntawm Micro LED thiab LCD thiab OLED yuav raug nqaim dua.

Hais txog cov zaub loj tshaj 100 nti, Micro LED muaj qhov zoo dua. Hauv kev ua lag luam zaub ntau tshaj 100 nti, LCD yuav raug txwv los ntawm cov txiaj ntsig tsim khoom thiab kev txiav cov vaj huam sib luag loj, thiab OLED kuj nyuaj rau ua tiav kev txo nqi vim yog cov txheej txheem evaporation tom qab loj, cov txiaj ntsig qis dua, yog li yav dhau los, cov nyhuv zaub yog cov projectors dav dav thiab LCD splicing screens nyob hauv txoj haujlwm tseem ceeb hauv kev ua lag luam zaub ntau tshaj 100 nti. Txawm li cas los xij, nrog rau kev poob qis ntawm tus nqi ntawm Micro LED, nws yuav ua kom nrawm hloov cov khoom tso saib ib txwm muaj xws li projectors thiab LCD splicing nrog ntau qhov zoo xws li puv npo splicing, xim nplua nuj thiab qhov ci ntsa iab.

Peb qhov loj ntawm kev lag luam Micro LED

Tam sim no, cov Micro LED chips tau tsim tawm hauv cov chaw tso saib xws li tsom iav thiab TVS, tab sis feem ntau cov khoom tseem nyob rau theem tswv yim vim muaj kev txwv nqi thiab tseem tsis tau ua tiav kev txhawb nqa kev lag luam loj. Yav tom ntej, nrog kev tawg thiab maj mam loj hlob ntawm cov thev naus laus zis tseem ceeb ntawm Micro LED, kev lag luam thiab kev lag luam tus nqi raug txo qis heev, thiab cov txiaj ntsig ntawm cov chip tau zoo dua, Micro LED xav tias yuav ua tus thawj coj hauv kev siv cov xwm txheej loj thiab me me. Los ntawm qhov pom ntawm kev xa khoom, raws li Omdia cov ntaub ntawv kwv yees, cuam tshuam los ntawm cov moos ntse thiab kev thov ua lag luam TV siab kawg, kev xa khoom thoob ntiaj teb Micro LED zaub yuav nce siab los ntawm qib tsis tseem ceeb hauv xyoo 2020 mus rau ntau dua 16 lab daim hauv xyoo 2027, thiab kev thov ua lag luam muaj peev xwm loj. Los ntawm qhov loj me ntawm kev lag luam, raws li Jibang Consulting kwv yees, hauv qhov xwm txheej thov micro-display, nws xav tias hauv xyoo 2026, tus nqi tso zis ntawm Micro LED AR tsom iav zaub chip yog siab txog 41 lab Asmeskas las; Hauv qhov xwm txheej loj ntawm cov zaub loj, tus nqi tso tawm ntawm Micro LED cov chips loj yuav ncav cuag $ 54 lab hauv xyoo 2022, thiab xav tias yuav nce mus txog $ 4.5 billion hauv xyoo 2026, nrog rau kev loj hlob txhua xyoo ntawm 204%, thiab muaj ntau chav rau kev loj hlob ntawm kev ua lag luam.

Qhov thib plaub, qhov kev thov kawg thiab txoj cai tsav tsheb txoj kev loj hlob sai ntawm kev lag luam

(1) Kev hloov pauv ntawm qhov xav tau kawg yog cov yam tseem ceeb uas tsav tsheb kev txhim kho ntawm kev lag luam

Txij li xyoo 2009 los, kev lag luam LED chip tau ntsib peb lub voj voog, txhua yam tsav los ntawm kev xav tau tshiab rau cov khoom LED. Theem thawj zaug yog ua ntej xyoo 2013, TV tiaj tiaj thiab xov tooj ntawm tes backlight ua qhov kev xav tau tseem ceeb rau LED los tsav kev txhim kho ntawm kev lag luam LED, theem ob yog 2013 txog 2014, 2013, European Union txwv tsis pub siv cov teeb dawb woven kiag li, qhov kev xav tau rau LED kev teeb pom kev zoo thiab teeb pom kev zoo hauv toj roob hauv pes nce ntxiv, kev xa tawm LED ntug dej hiav txwv nce ntxiv los tsav kev txhim kho ntawm kev lag luam LED; Theem peb yog txij li xyoo 2015 txog 2020, kev txhim kho sai ntawm cov LED me me, ntau lub LCD hloov thiab DLP, siv dav hauv tsoomfwv cov chaw hais kom ua, kev ruaj ntseg, kev tswj kab mob, kev lag luam, kev mus ncig hmo ntuj thiab lwm yam, yog li tsav kev txhim kho ntawm kev lag luam; Theem plaub yog tias tom qab xyoo 2020, kev lag luam LED zaub qhov kev xav tau rau cov zaub siab thiab kev siv hluav taws xob tsawg tau maj mam nce tus nqi nkag ntawm Micro LED. Ua lub thev naus laus zis tso saib zoo tshaj plaws, nrog rau kev txo nqi thiab kev nce qib ntawm thev naus laus zis, Micro LED yuav ua kom cov txheej txheem kev lag luam ntawm Micro LED sai dua nrog kev ua tau zoo dua xws li lub neej ntev, kev sib piv siab, kev daws teeb meem siab, xim nplua nuj, lub teeb ci siab heev thiab kev siv hluav taws xob tsawg dua, thiab xav tias yuav tsav tsheb kev lag luam kom nkag mus rau hauv lub voj voog nce siab dua.

(2) Kev txhawb nqa zoo los ntawm cov cai hauv tebchaws yuav tsav txoj kev loj hlob ntawm kev lag luam

Ua ib tiam tshiab ntawm cov thev naus laus zis tshiab, Micro LED tau nyiam ntau tus neeg saib xyuas. Nyob rau xyoo tas los no, lub xeev tau tshaj tawm ntau txoj cai txhawb nqa, xws li "14th Five-Year Plan" hauv xyoo 2021, uas qhia meej tias tiam peb semiconductor yog ib qho tseem ceeb, thiab qhov project no suav nrog cov thev naus laus zis tseem ceeb xws li tsheb fais fab tshiab, cov ntaub ntawv loj, 5G kev sib txuas lus, thiab Micro LED zaub. Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Kev Siv Tshuab Xov Xwm thiab lwm tsib lub chaw haujlwm tau tshaj tawm "Virtual reality thiab kev lag luam daim ntawv thov kev sib koom ua ke Kev Npaj Ua Haujlwm (2022-2026)", uas yuav tsom mus rau kev txhawb nqa Micro LED thiab lwm yam kev hloov kho thev naus laus zis micro zaub; Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Lub Tsev Haujlwm Saib Xyuas Nyiaj Txiag tau tshaj tawm "Electronic Information Manufacturing Industry 2023-2024 Kev Npaj Ua Haujlwm ruaj khov" tau tshaj tawm los tsim Mini LED, Micro LED thiab lwm yam thev naus laus zis; Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Kev Siv Tshuab Xov Xwm thiab lwm xya lub chaw haujlwm tau tshaj tawm "Kev Siv Tswv Yim Txog Kev Txhawb Nqa Kev Tsim Kho Tshiab thiab Kev Txhim Kho Kev Lag Luam Yav Tom Ntej", uas tau tshaj tawm los rhuav tshem Micro LED, laser, luam ntawv thiab lwm yam thev naus laus zis zaub thiab ua tiav daim ntawv thov loj. Qhov kev tso tawm thiab kev siv cov cai thiab kev cai lij choj saum toj no qhia txog kev xav zoo thiab kev txiav txim siab ruaj khov ntawm tsoomfwv Suav los tsim kev lag luam Micro LED, uas muab ib puag ncig zoo dua rau kev txhim kho kev lag luam Micro LED. Micro LED xav tias yuav tau txais txiaj ntsig los ntawm kev txhawb nqa txoj cai ntawm lub xeev thiab coj mus rau hauv kev txhim kho sai.

Tsib, kev txhim kho ntawm Micro LED kev lag luam

(1) Kev loj hlob ntawm kev lag luam

Cov txheej txheem tsim khoom Micro LED zoo ib yam li cov kauj ruam kev siv tshuab ib txwm muaj, feem ntau suav nrog kev loj hlob ntawm LED epitaxial wafer, Micro LED chip tsim, tsav tsheb backplane (TFT tsav tsheb lossis Micro IC tsav tsheb) tsim, hloov pauv loj ntawm plaub qhov. Ua ntej tshaj plaws, kev tsim qauv LED yog zaj duab xis nyias, Micro, array, thiab tom qab ntawd Micro LED raug xa mus rau lub rooj tsavxwm siv ntau yam thev naus laus zis, lub substrate tuaj yeem ua tau tawv, mos pob tshab, opaque substrate; Los ntawm kev siv cov txheej txheem tso tawm lub cev kom ua tiav cov txheej txheem tiv thaiv thiab lub electrode sab saud, lub substrate sab saud tuaj yeem ntim thiab ua tiav Micro LED zaub yooj yim. Txawm li cas los xij, vim yog qhov me me ntawm lub chip, Micro LED kev tsim khoom thev naus laus zis tau muab cov cim qhia tshiab thiab cov kev cai rau txhua qhov txuas ntawm cov saw hlau kev lag luam uas twb muaj lawm, suav nrog kev tshawb fawb thiab kev txhim kho cov kev xav tau ntawm cov thev naus laus zis tseem ceeb hauv ntau qhov chaw xws li cov ntaub ntawv, cov txheej txheem, thiab cov khoom siv, thiab cov thev naus laus zis ntawm txhua qhov txuas kev lag luam tsis tuaj yeem tsim tau ywj pheej, nws yog ib qho kev siv tshuab nyuaj heev. Nws yog qhov tsim nyog los koom tes nrog cov upstream thiab downstream ntawm cov saw hlau kev lag luam xws li panels, chips, kev hloov pauv loj thiab tsav tsheb ics. Tam sim no, plaub lub thev naus laus zis tseem ceeb ntawm epitaxy & chip manufacturing, massive transfer, full-color display, thiab display drive tseem yuav tsum tau tawg ua tej daim me me.

(2) Kev txheeb xyuas txog kev tsim kho tshiab thoob ntiaj teb

Los ntawm kev xam pom ntawm keeb kwm kev loj hlob ntawm Micro LED, ob tug xib fwb ntawm Texas Tech University tau ua tus thawj coj hauv kev tawm tswv yim ntawm Micro LED hauv xyoo 2000, thiab tam sim no nws tau nkag mus rau lub sijhawm siab ntawm kev tsim kho tshiab thoob ntiaj teb. Txij li xyoo 2017, kev ua ub no tshiab ntawm Micro LED thev naus laus zis tau nce ntxiv ntau heev, thiab tam sim no nws nyob rau hauv lub sijhawm ntawm kev loj hlob sai. Tam sim no, Micro LED muaj cov ntawv pov thawj thoob ntiaj teb ntau dua 40,000, uas ntau dua 13,000 yog cov ntawv pov thawj raug cai, thiab qhov sib npaug ntawm kev tshuaj xyuas thiab qhov raug cai piv yog ze li ntawm 80%, qhia tias cov teeb meem patent muaj peev xwm hauv daim teb no siab; Los ntawm kev xam pom ntawm thaj chaw nquag dua ntawm Micro LED thev naus laus zis tshiab, thaj chaw nquag dua ntawm kev tsim kho tshiab thev naus laus zis yog nyob rau hauv Suav teb, Tebchaws Meskas thiab Kaus Lim Qab Teb, thiab thaj chaw ntawm kev tsim qauv patent qhia tau hais tias kev ua lag luam nquag dua yog nyob rau hauv Suav teb thiab Tebchaws Meskas. Los ntawm kev xam pom ntawm cov koom haum tsim kho tshiab loj hauv ntiaj teb thiab Tuam Tshoj, cov koom haum tsim kho tshiab thoob ntiaj teb hauv Tuam Tshoj, Kaus Lim Qab Teb thiab Tebchaws Meskas muaj ntau qhov zoo dua, feem ntau yog nyob rau hauv cov vaj huam sib luag zaub thiab cov tuam txhab photoelectric. Ntawm 15 lub tuam txhab loj tshaj plaws hauv ntiaj teb, cov tuam txhab Suav suav ntau dua ib nrab, BOE, Huaxing Optoelectronics tau qeb duas hauv 5 lub tuam txhab loj tshaj plaws hauv ntiaj teb; Ntxiv rau Tuam Tshoj cov tuam txhab ua lag luam, Kaus Lim Qab Teb Samsung thiab LG patent layout qeb duas nyob rau pem hauv ntej ntawm lub ntiaj teb. Los ntawm cov txiaj ntsig faib tawm ntawm tus lej ntawm cov patents los ntawm hom R & D cov tsev kawm ntawv, cov lag luam pib tshiab yog qhov siab tshaj plaws, ncav cuag 29%. Los ntawm qhov kev xav ntawm cov hom patent, tus lej ntawm cov patents tau faib tawm ib puag ncig plaub lub thev naus laus zis tseem ceeb ntawm epitaxy thiab chip qauv, kev hloov pauv loj, kev tso saib xim puv npo, thiab tus tsav tsheb tso saib.

(3) Kev tsim cov thev naus laus zis tseem ceeb plaub yam

Epitaxy thiab kev tsim khoom nti: Cov txheej txheem tsim khoom Micro LED los ntawm wafer mus rau nti yuav tsum tau ua raws li cov kauj ruam xws li epitaxy - kauj ruam etching - conductive txheej npaj - electrode npaj. Hauv kev coj ntawm epitaxy & chip qauv thev naus laus zis, rau Micro LED me dua, kev lag luam tam sim no feem ntau txhawj xeeb txog wavelength uniformity, epitaxy defect qis thiab quantum efficiency teeb meem: (1) Tom qab lub nti me me, muaj cov kev xav tau siab rau epitaxy wavelength sib xws thiab qis defect tus nqi, LED ib txwm xav tau 6-12nm, Micro LED nti yuav tsum tau txo kom txog 2nm; (2) Qhov loj me ntawm lub nti tau txais me dua thiab me dua, thiab cov khoom txiav tawm txo qis; (3) Kev ua haujlwm ntawm Micro LED yuav nce nrog qhov nce ntawm qhov ceev tam sim no, thiab txo qis nrog qhov nce ntawm qhov ceev tam sim no tom qab mus txog qhov siab tshaj plaws. Raws li qhov loj me ntawm Micro LED txo qis, qhov ua haujlwm siab tshaj plaws txav mus rau qhov kev coj ntawm qhov ceev tam sim no siab, thiab qhov ua haujlwm siab tshaj plaws txuas ntxiv txo qis.

Kev hloov pauv loj: Vim yog qhov sib txawv ntawm cov txheej txheem loj hlob ntawm Micro LED luminous txheej thiab cov tsav tsheb substrate, nws nyuaj rau kev koom ua ke cov zaub array thiab cov cuab yeej tsav tsheb los ntawm cov txheej txheem loj hlob, yog li nws yog qhov tsim nyog los hloov cov noob Micro LED ua rau lub rooj tsav tsheb circuit, uas yog cov txheej txheem hloov pauv loj. Piv txwv li, siv 4K TV ua piv txwv, cov noob uas xav tau hloov pauv yog siab txog 24 lab (xam hauv 4,000 x 2,000 x RGB peb xim), txawm tias yog kev hloov pauv ntawm 10,000, nws yuav tsum tau rov ua dua 2,400 zaug, yog li kev hloov pauv loj heev ntsib peb qhov teeb meem loj: (1) kev hloov pauv raug: Qhov tseeb ntawm kev txav Micro LED mus rau lub rooj tsav tsheb circuit board yuav tsum tswj tau hauv ± 0.5μm, thiab cov cuab yeej hloov pauv yuav tsum muaj qhov sib dhos siab thiab qhov poob qis raug. (2) Kev hloov pauv zoo: LED ib txwm muaj 2 daim / ob, Micro LED xav tau 20,000 daim / ob; (3) Kev hloov pauv: Cov khoom tso saib rau qhov yuam kev pixel yog qhov tsawg heev, yog tias koj xav tsim tsawg dua 5 pixels ntawm cov xim puv 1920 * 1080 zaub, kev hloov pauv yuav tsum ncav cuag 99.9999%.

Cov thev naus laus zis hloov pauv loj feem ntau suav nrog lub zog molecular (hloov pauv foob), electrostatic, hloov pauv sib nqus, hloov pauv laser, sib dhos tus kheej (kua sib dhos thev naus laus zis) thiab lwm yam. Kev hloov pauv laser loj tuaj yeem tswj tau qhov loj me me, teb sai, ua haujlwm hloov pauv siab, thiab muaj qib siab ntawm kev xaiv, kev hloov pauv laser lossis yuav dhau los ua cov thev naus laus zis tseem ceeb ntawm kev hloov pauv loj. Tam sim no, kev siv tshuab hloov pauv loj hauv tsev thiab cov khoom siv tau nce qib, cov chaw tsim khoom ntawm laser loj (002008), kev txawj ntse ua thawj coj (300450), Haimu lub hnub qub laser thiab lwm yam khoom siv hloov pauv loj tau xa khoom tiav, xa mus rau cov neeg siv khoom, tab sis cov khoom siv laser hauv tsev los ntawm kev tsim khoom loj tseem nyob deb heev.

Kev tso saib xim tag nrho: Micro LED kom ua tiav monochrome yog qhov yooj yim heev, tab sis kom ua tiav xim tag nrho yog qhov nyuaj heev, RGB peb xim yuav tsum xa cov xim liab, ntsuab thiab xiav peb xim. Raws li qhov tseem ceeb ntawm Micro LED thev naus laus zis, kev tshawb fawb ntawm Micro LED tag nrho xim thev naus laus zis tau dhau los ua qhov chaw tshawb fawb thiab nyuaj rau kev txhim kho Micro LED thev naus laus zis. Cov txheej txheem kev paub txog Micro LED xim feem ntau suav nrog RGB peb xim LED txoj kev, UV xiav LED + luminescent nruab nrab txoj kev thiab lens synthesis txoj kev, txhua yam muaj qhov tsis zoo sib xws. Piv txwv li, hais txog cov txheej txheem ntws thiab cov ntaub ntawv, UV xiav LED + lub teeb-emitting nruab nrab txoj kev yooj yim dua li lwm cov phiaj xwm, feem ntau siv xiav LED los hloov lub backlight phaj, siv quantum dot zaj duab xis lossis phosphor ua lub teeb-emitting nruab nrab los hloov RGB lim, kom ua tiav cov xim tag nrho.

Tus tsav tsheb tso saib: Tus qauv tsim tsav tsheb uas sawv cev los ntawm CMOS thiab TFT tau dhau los ua lub hauv paus tseem ceeb ntawm kev tsim kho thev naus laus zis Micro LED. Micro LED yog lub cuab yeej tsav teeb pom kev zoo tam sim no, thiab nws hom tsav tsheb feem ntau muab faib ua PM (Passive Matrix) passive drive thiab AM (Active Matrix) active drive. Vim yog tus tsav tsheb passive: (1) tsis zoo rau kev tsim khoom loj, tsis tuaj yeem ua tau raws li qhov xav tau ntawm tus tsav tsheb loj; (2) Cov yam ntxwv ntawm tus tsav tsheb scanning kem, yooj yim tsim lub teeb pixel kem tsis sib npaug, ua rau cov duab tso saib thiab kev daws teeb meem tsawg; (3) Lub suab pixel maj mam poob qis, hom tsav tsheb passive ntawm PCB board ib txwm tsis tuaj yeem ua tau raws li qhov xav tau ntawm tus tsav tsheb, thiab muaj ntau qhov tsis zoo hauv kev siv Micro LED, yog li ntawd, tus qauv tsim tsav tsheb uas sawv cev los ntawm CMOS thiab TFT yuav dhau los ua tus khub zoo rau kev tsim kho thev naus laus zis Micro LED. Piv txwv li, hauv thev naus laus zis tsav tsheb CMOS, txhawm rau txhawm rau tawg los ntawm kev hloov pauv thev naus laus zis, kev lag luam tam sim no tsom mus rau kev tshawb nrhiav thev naus laus zis bonding ntawm Micro LED thiab CMOS tsav tsheb circuit.