Mumakore matatu apfuura, kupihwa uye kutengesa kwediki pixel pitch LED mahombe masikirini akachengetedza gore negore kukura kwechikamu che80%.Iyi nhanho yekukura haingori pakati peiyo yepamusoro tekinoroji mune yanhasi-hombe-skrini indasitiri, asiwo pakukura kwekukura kweiyo hombe-screen indasitiri.Iko kukurumidza kukura kwemusika kunoratidza hukuru hukuru hwediki pixel pitch LED tekinoroji.
COB: Kukwidzwa kwe "Chipiri Chizvarwa" Zvigadzirwa
diki pixel pitch LED skrini uchishandisa COB encapsulation tekinoroji inonzi "yechipiri chizvarwa" diki pixel pitch LED kuratidza.Kubva gore rapfuura, rudzi urwu rwechigadzirwa rwakaratidza maitiro ekukura kwemusika uye yave "yakanakisa sarudzo" nzira yemamwe mabhureki anotarisisa kuraira kwepamusoro uye nzvimbo dzekutumira.
SMD, COB kune MicroLED, Ramangwana Trends kune Yakakura Pitch LED Screens
COB chidimbu cheChirungu ChipsonBoard.Tekinoroji yekutanga yakatanga kuma1960s.Iyo "yemagetsi dhizaini" inovavarira kurerutsa chimiro chepakeji yemhando yepamusoro-yakanaka yemagetsi zvikamu uye kugadzirisa kugadzikana kwechigadzirwa chekupedzisira.Kungotaura, chimiro cheCOB package ndechekuti yekutanga, isina chip kana chikamu chemagetsi chinotengeswa zvakananga pabhodhi redunhu uye chakafukidzwa neresin yakakosha.
Mumashandisirwo e LED, iyo COB package inonyanya kushandiswa mune yakakwirira-simba remagetsi masisitimu uye diki pixel pitch LED kuratidza.Iyo yekutanga inofunga nezvekutonhodza zvakanakira zvinounzwa neCOB tekinoroji, nepo iyo yekupedzisira isingashandisi zvizere kugadzikana kwakanaka kweCOB mukutonhodza kwechigadzirwa, asi zvakare inowana kusarudzika munhevedzano ye "performance effects".
Zvakanakira COB encapsulation pane diki pixel pitch LED skrini dzinosanganisira: 1. Ipa iri nani inotonhorera chikuva.Nekuti iyo COB package ndeye particle crystal yakanangana nepedyo nePCB board, inogona kushandisa zvizere "substrate nzvimbo" kuwana kupisa conduction uye kupisa kupisa.Iyo yekupisa yekupisa mwero ndiyo yakakosha chinhu chinotaridza kugadzikana, point defect rate uye hupenyu hwesevhisi yediki pixel pitch LED skrini.Chimiro chiri nani chekupisa kupisa chinoreva kugadzikana kwese kuri nani.
2. Iyo COB package ndeye yakavharwa zvechokwadi chimiro.Kusanganisira PCB redunhu bhodhi, crystal particles, soldering tsoka nemitungamiri, nezvimwewo zvakanamwa zvizere.Zvakanakira chimiro chakavharwa zviri pachena - semuenzaniso, kunyorova, bump, kusvibiswa kwekukuvara, uye nyore kuchenesa pamusoro pechigadzirwa.
3. Iyo COB package inogona kugadzirwa ine mamwe akasiyana e "display optics" maficha.Semuenzaniso, hurongwa hwayo hwepakeji, kuumbwa kweamorphous nzvimbo, inogona kuvharwa nezvinhu zvitema zvinotora chiedza.Izvi zvinoita kuti COB package chigadzirwa ive nani mukusiyana.Kune mumwe muenzaniso, iyo COB package inogona kuita zvigadziriso zvitsva padhizaini yemaziso pamusoro pekristaro kuti ione kusikwa kwepikseli zvimedu uye kugadzirisa zvisungo zveyakapinza particle size uye kupenya kunoshamisa kwezvakajairwa diki pixel pitch LED skrini.
4. COB encapsulation crystal soldering haishandisi pamusoro pegomo SMT reflow soldering process.Pane kudaro, inogona kushandisa "yakaderera tembiricha soldering process" inosanganisira thermal pressure welding, ultrasonic welding, uye goridhe waya bonding.Izvi zvinogadzira iyo isina kusimba semi-conductor LED crystal particles isingaenderane nepamusoro tembiricha inodarika 240 madhigirii.Iyo yakanyanya-tembiricha maitiro ndiyo kiyi poindi yediki-gap LED yakafa mavara uye mwenje akafa, kunyanya batch akafa mwenje.Kana iyo die attach process ikaratidza marambi akafa uye inoda kugadziriswa, "yechipiri yepamusoro-tembiricha reflow soldering" ichaitika zvakare.Maitiro eCOB anobvisa zvachose izvi.Iyi ndiyo zvakare kiyi yeCOB maitiro akaipa enzvimbo yekuve chikamu chimwe chete mugumi chezvigadzirwa zvepamusoro-soro.
Ehe, maitiro eCOB anewo "kusasimba".Chekutanga inyaya yemutengo.Iyo COB process inodhura kupfuura iyo yekumusoro mount process.Izvi zvinodaro nekuti iyo COB process inonyatso nhanho yekuvhara, uye iyo yekumusoro gomo ndiyo yekupedzisira yekubatanidza.Isati yaitwa yekumusoro mount process, iyo LED crystal particles yatove iyo encapsulation process.Musiyano uyu wakonzera kuti COB ive nepamusoro pekudyara zvikumbaridzo, mutengo wemari, uye zvikumbaridzo zvehunyanzvi kubva kuLED screen bhizinesi maonero.Zvisinei, kana "rambi pasuru uye kubatanidzwa kwekupedzisira" kwepamusoro-soro maitiro akaenzaniswa neCOB maitiro, kuchinja kwemutengo kunogamuchirwa zvakakwana, uye pane tsika yekuti mutengo udzike nekugadzikana kwemaitiro uye kushandiswa kwekukura kwechiyero.
Chechipiri, kuwirirana kwekuona kweCOB encapsulation zvigadzirwa zvinoda kunonoka kugadzirisa kwehunyanzvi.Kusanganisira grey kuenderana kweiyo encapsulating glue pachayo uye kuenderana kwekupenya kweyero yechiedza-emitting crystal, inoedza kutonga kwemhando yeketani yese yeindasitiri uye nhanho yekuzogadzirisa kunotevera.Nekudaro, kusakanganiswa uku inyaya ye "ruzivo rwakapfava."Kuburikidza nenhevedzano yekufambira mberi kwetekinoroji, makambani mazhinji muindastiri akaziva matekinoroji akakosha ekuchengetedza kuwirirana kwekuona kwekugadzirwa kwakakura.
Chechitatu, COB encapsulation pane zvigadzirwa zvine hombe pixel spacing inowedzera zvakanyanya "kugadzirwa kwakaoma" kwechigadzirwa.Mune mamwe mazwi, tekinoroji yeCOB haisi nani, haishande kune zvigadzirwa zvine P1.8 spacing.Nekuti pachinhambwe chikuru, COB ichaunza kuwedzera kwakakosha mutengo.-Izvi zvakangofanana nekukwira kwepamusoro-soro hakugone kutsiva zvachose chiratidziro che LED, nekuti mune p5 kana zvimwe zvigadzirwa, kuomarara kwepamusoro-kukwira maitiro kunotungamirira kukuwedzera mari.Iyo remangwana COB maitiro achanyanya kushandiswa muP1.2 uye pasi pepitch zvigadzirwa.
Izvo chaizvo nekuda kwezvakanakira zviri pamusoro uye zvakaipira zveCOB encapsulation diki pixel pitch LED inoratidza iyo: 1.COB haisi yekutanga nzira sarudzo yediki pixel pitch LED kuratidza.Nekuti iyo diki pixel pitch LED iri kufambira mberi zvishoma nezvishoma kubva kune yakakura-pitch chigadzirwa, ichazogara nhaka tekinoroji yakakura uye kugona kwekugadzira kweiyo yepamusoro-inokwira maitiro.Izvi zvakagadzirawo patani iyo yanhasi-yakaiswa diki pixel pitch ma LEDs anogara mazhinji emusika wediki pixel pitch LED skrini.
2. COB "isingadzivisike maitiro" ediki pixel pitch LED kuratidza kuti ienderere mberi neshanduko kuenda kudiki diki uye kune yepamusoro-yekupedzisira maapplication emukati.Nekuti, pahupamhi hwepixel densities, chiyero chekufa-chiyero chepamusoro-soro maitiro chinova "chapera chigadzirwa chirema dambudziko."COB tekinoroji inogona kuvandudza zvakanyanya iyo yakafa-mwenje chiitiko chediki pixel pitch LED kuratidza.Panguva imwecheteyo, mune yepamusoro-yekupedzisira kuraira uye kutumira musika wepakati, musimboti wekuratidzwa kwekuita hakusi "kupenya" asi "kugadzikana uye kuvimbika" kunotonga.Izvi ndizvo chaizvo zvakanakira COB tekinoroji.
Naizvozvo, kubvira 2016, kukurumidza kusimudzira kweCOB encapsulation diki pixel pitch LED kuratidza inogona kutariswa semusanganiswa we "diki gomo" uye "yepamusoro-yekupedzisira musika".Kuitwa kwemusika kwemutemo uyu ndekwekuti makambani e-LED skrini asingabatanidzi mumusika wekuraira uye nzvimbo dzekutumira hadzina kufarira zvishoma muCOB tekinoroji;Makambani e-LED skrini anonyanya kutarisa pamusika wekuraira uye nzvimbo dzekutumira anonyanya kufarira kuvandudzwa kweCOB tekinoroji.
Tekinoroji haiperi, hombe-screen MicroLED iriwo munzira
Iyo tekinoroji shanduko yezvigadzirwa zvekuratidzira LED yakasangana nenhanho nhatu: mu-mutsara, pamusoro-mounzi, COB, uye maviri mabhindauko.Kubva mu-mutsara, pamusoro-kukwira, kuenda kuCOB zvinoreva diki kukwirira uye yakakwirira resolution.Iyi yekushanduka-shanduka ndiko kufambira mberi kwekuratidzira kwe LED, uye yakagadzirawo misika yekuwedzera yepamusoro-yekupedzisira.Saka rudzi urwu rwekuvandudzwa kwetekinoroji ruchaenderera mberi mune ramangwana here?Mhinduro ndihongu.
Chidzitiro che LED kubva kune inline kusvika pamusoro pekuchinja, kunyanya kusanganisa maitiro uye marambi mabheji mapakeji anotsanangurwa shanduko.Mabhenefiti eichi shanduko anonyanya kukwirira pamusoro pekubatanidza kugona.Chidzitiro che LED muchikamu chidiki chepixel pitch, kubva padanho repamusoro-soro kusvika kuCOB process process shanduko, mukuwedzera kune yekubatanidza maitiro uye mapakeji maratidziro ekuchinja, COB yekubatanidza uye encapsulation yekubatanidza maitiro ndiyo maitiro eiyo yese indasitiri cheni re-segmentation.Panguva imwecheteyo, iyo COB maitiro haangounzi diki diki rekudzora kugona, asi zvakare inounza zvirinani kunyaradzwa kwekuona uye kuvimbika ruzivo.
Parizvino, tekinoroji yeMicroLED yave imwe yekutarisa kumberi-inotarisisa LED hombe-skrini yekutsvaga.Kuenzaniswa neyakapfuura chizvarwa COB process diki pixel pitch LEDs, iyo MicroLED pfungwa haisi shanduko yekubatanidza kana encapsulation tekinoroji, asi inosimbisa iyo "miniaturization" yemwenje bead makristasi.
Mune iyo yekupedzisira-yakakwira pixel density diki pixel pitch LED skrini zvigadzirwa, pane maviri akasiyana ehunyanzvi zvinodiwa: Chekutanga, yakakwira pixel density, pachayo inoda diki mwenje saizi.COB tekinoroji inovhara zvakananga makristasi masisitimu.Kuenzaniswa neyepamusoro Mount tekinoroji, iwo mabhedhi emwenje zvigadzirwa zvakatove encapsulation zvinotengeswa.Nomuzvarirwo, ivo vane mukana wezviyero zvejometri.Ichi ndicho chimwe chezvikonzero nei COB ichinyanya kukodzera kune zvidiki pitch LED skrini zvigadzirwa.Chechipiri, iyo yakakwira pixel density zvakare inoreva kuti inodiwa kupenya mwero wepixel yega yega yakaderedzwa.Ultra-diki pixel pitch LED skrini, inonyanya kushandiswa kune yemukati uye pedyo yekuona madaro, ine yavo yekuda kupenya, iyo yakadzikira kubva kuzviuru zvemalumens mumasikirini ekunze kusvika asingasviki chiuru, kana kunyange mazana emalumens.Mukuwedzera, kuwedzera kwenhamba yepixels panzvimbo yeyuniti, kutsvaga kupenya kunopenya kwekristaro imwe chete kuchadonha.
Iko kushandiswa kweMicroLED's micro-crystal chimiro, ndiko kusangana neiyo diki geometry (mumazuva ese maapplication, MicroLED crystal saizi inogona kuva imwe kusvika kune gumi-chiuru cheyazvino mainstream diki pixel pitch LED mwenje mwenje), zvakare Sangana nehunhu hwezasi. kupenya crystal particles ine yakakwirira pixel density zvinodiwa.Panguva imwecheteyo, mutengo wekuratidzwa kwe LED unonyanya kuumbwa nezvikamu zviviri: maitiro uye substrate.Diki microcrystalline LED kuratidza zvinoreva kushoma substrate zvinhu kushandiswa.Kana, kana iyo pixel chimiro chediki pixel pitch led skrini inogona kugutsikana panguva imwe chete nehukuru-hukuru uye diki-saizi makristasi e LED, kutora iyo yekupedzisira inoreva kuderera mutengo.
Muchidimbu, mabhenefiti akananga eMicroLEDs ediki pixel pitch LED masikirini makuru anosanganisira yakaderera mutengo wezvinhu, zviri nani kupenya-kupenya, yakakwirira greyscale performance, uye diki geometry.
Panguva imwecheteyo, maMicroLED ane mamwe mabhenefiti ediki pixel pitch LED skrini: 1. Diki crystal tsanga zvinoreva kuti nzvimbo inoratidzira yecrystalline zvinhu yadonha zvakanyanya.Yakadaro diki pixel pitch LED skrini inogona kushandisa mwenje-inotora zvinhu uye matekiniki pane yakakura nzvimbo yekuwedzera dema uye rima greyscale mhedzisiro ye LED skrini.2. Madiki ekristaro particles anosiya imwe nzvimbo ye LED screen body.Idzi nzvimbo dzemaumbirwo dzinogona kurongeka nezvimwe zvikamu zve sensor, zvimiro zvemaziso, zvimiro zvekupisa kupisa, nezvimwe zvakadaro.3. Iyo diki pixel pitch LED inoratidzira yeMicroLED tekinoroji inogara nhaka COB encapsulation process seyakazara uye ine zvese zvakanakira COB tekinoroji zvigadzirwa.
Zvechokwadi, hapana teknolojia yakakwana.MicroLED haina mutsauko.Kuenzaniswa neyakajairwa diki pixel pitch LED kuratidza uye yakajairwa COB-encapsulation LED kuratidza, iyo yakanyanya kusarudzika yeMicroLED "inonyanya kukwenenzverwa encapsulation process."Iyo indasitiri inodaidza izvi "huwandu hukuru hwekutamisa tekinoroji."Ndiko kuti, mamirioni emakristasi e LED pane wafer, uye iyo imwechete crystal oparesheni mushure mekupatsanurwa, haigone kupedzwa nenzira yakapusa yemuchina, asi inoda hunyanzvi michina uye maitiro.
Iyo yekupedzisira zvakare "hapana bhodhoro" mune yazvino MicroLED indasitiri.Zvisinei, kusiyana ne-ultra-fine, ultra-high-density MicroLED zviratidzo zvinoshandiswa muVR kana zvikwangwani zvefoni, maMicroLED anotanga kushandiswa kune makuru-pitch LED zviratidzo pasina "pixel density" muganhu.Semuyenzaniso, nzvimbo yepixel yeP1.2 kana P0.5 nhanho chinhu chinonangwa chiri nyore "kuwana" che "giant transfer" tekinoroji.
Mukupindura dambudziko rehuwandu hukuru hwekuchinjisa tekinoroji, boka rebhizinesi reTaiwan rakagadzira mhinduro yekukanganisika, zvinoti 2.5 zvizvarwa zvediki pixel pitch LED skrini: MiniLED.MiniLED crystal particles yakakura kupfuura yechinyakare MicroLED, asi ichiri chikamu chimwe chete mugumi chezvakajairwa diki pixel pitch LED skrini makristasi, kana makumi mashoma e.Neichi chigadzirwa cheMiNILED chakaderedzwa tekinoroji, Innotec inotenda kuti ichakwanisa kuwana "maitiro ekukura" uye kugadzirwa kwakawanda mumakore 1-2.
Pazere, MicroLED tekinoroji inoshandiswa mudiki pixel pitch LED uye yakakura-skrini musika, iyo inogona kugadzira "yakakwana masterpiece" yekuratidzira kuita, kusiyanisa, mavara metrics, uye mazinga ekuchengetedza simba anodarika kure zvigadzirwa zviripo.Nekudaro, kubva kumusoro-kukwira kuenda kuCOB kuenda kuMicroLED, iyo diki pixel pitch LED indasitiri ichakwidziridzwa kubva kuchizvarwa kuenda kune chimwe chizvarwa, uye zvakare inoda kuenderera mberi hunyanzvi mukuita tekinoroji.
Craftsmanship Reserve Inoedza "Ultimate Muedzo" wediki pixel pitch LED Indasitiri Vagadziri.
Zvigadzirwa zve LED skrini kubva mumutsara, kumusoro kusvika kuCOB, kuvandudzwa kwayo kunoramba kuripo padanho rekubatanidza, ramangwana reMicroLED yakakura-screen zvigadzirwa, "giant transfer" tekinoroji yakanyanya kuoma.
Kana iyo in-line process iri yepakutanga tekinoroji inogona kupedzwa nemaoko, saka iyo yepamusoro-inokwira maitiro inzira inofanirwa kugadzirwa nemuchina, uye tekinoroji yeCOB inoda kupedzwa munzvimbo yakachena, yakazara otomatiki, uye. nhamba inodzorwa system.Iyo ramangwana reMicroLED maitiro haangove ane ese maficha eCOB, asi zvakare anogadzira nhamba huru ye "minima" yemagetsi edhisheni yekufambisa mabasa.Iko kuomerwa kunowedzera kukwidziridzwa, zvinosanganisira zvakanyanya kuomarara semiconductor indasitiri yekugadzira ruzivo.
Parizvino, huwandu hukuru hwekutamisa tekinoroji iyo MicroLED inomiririra inomiririra kutarisisa uye kutsvagisa uye kusimudzira hofori dzepasi rese seApple, Sony, AUO uye Samsung.Apple ine muenzaniso wekuratidza zvigadzirwa zvinopfekwa, uye Sony yakawana kugadzirwa kwakawanda kweP1.2 pitch splicing LED mahombe skrini.Chinangwa chekambani yeTaiwanese kusimudzira kukura kwehuwandu hukuru hwetekinoroji yekufambisa uye kuve mukwikwidzi weOLED kuratidza zvigadzirwa.
Mukufambira mberi uku kwezviratidziro zve LED, maitiro ekuwedzera zvishoma nezvishoma kuomerwa ane zvakanakira: semuenzaniso, kuwedzera indasitiri, kudzivirira vakwikwidzi vemitengo vasina maturo, kuwedzera maindasitiri, uye kuita kuti makambani makuru eindasitiri "akwikwidzane".Zvakanakira “zvinosimbisa uye kugadzira zvigadzirwa zviri nani.Nekudaro, iyi mhando yekusimudzira maindasitiri inewo zvayakaipira.Ndiko kuti, chikumbaridzo chezvizvarwa zvitsva zvekuvandudza tekinoroji, chikumbaridzo chemari, chikumbaridzo chekutsvaga nekusimudzira kugona kwakakwira, kutenderera kwekugadzira zvinodiwa zvekuzivikanwa kwakareba, uye njodzi yekudyara inowedzerawo zvakanyanya.Shanduko dzekupedzisira dzichabatsira zvakanyanya kune hofori yepasi rose pane kusimudzira makambani emuno.
Chero iyo yekupedzisira diki pixel pitch LED chigadzirwa chinogona kutaridzika, nyowani tekinoroji kufambira mberi kunogara kwakakodzera kumirira.Kune akawanda matekinoroji anogona kubatwa mune tekinoroji hupfumi hwe LED indasitiri: kwete COB chete asiwo flip-chip tekinoroji;kwete chete maMicroLED anogona kunge ari QLED makristasi kana zvimwe zvinhu.
Muchidimbu, iyo diki pixel pitch LED hombe skrini indasitiri iindasitiri inoenderera mberi nekuvandudza uye kusimudzira tekinoroji.
Nguva yekutumira: Jun-08-2021