Horumarka Muujinta Micro LED: Pixel LED-ka ugu yar adduunka oo kaliya 90nm

RISSOPTO 2025-05-07 1

outdoor led display-007

Horumar weyn oo xagga tignoolajiyada soo bandhigida ah, cilmi-baarayaal ka socda jaamacadda Zhejiang waxay daaha ka rogeen pixel-ka ugu yar adduunka ee LED-ka oo cabbiraya kaliya.90 nanometer (nm)- dejinta halbeeg cusub oo xallinta iyo hufnaanta bandhigyada jiilka soo socda.

Waxaa hogaaminaya Professor David Di iyo Professor Baodan Zhao, kooxda cilmi baarista waxay daabacday natiijooyinkoodaDabeecaddahoos cinwaanka"Downscaling micro-iyo nano-perovskite LEDs."Shaqadoodu waxa ay soo bandhigtaa ikhtiraacyo ultra-sareya oo LED ah oo awood u leh in la gaaro127,000 pixels halkii inch (PPI)- xallinta ugu sareysa ee abid lagu duubay tignoolajiyada bandhiga LED.


Waa maxay sababta horumarkani muhiim u yahay

Bandhig-dhaqameedka III-V semiconductor-ku-saleysan Micro LED wuxuu wajahayaa xaddidaadyo muhiim ah:

  • Qiimaha wax soo saarka sare

  • Waxtarka fiiqan hoos u dhaca marka laga hooseeyo ~ 10 microns

Xalka cusub? Perovskite LEDs (PeLEDs), kuwaas oo bixiya dhowr faa'iidooyin oo muhiim ah:

  • Kharashka wax soo saarka hoose

  • Waxqabad heersare ah oo cabirrada nanoscale ah

  • Waxtarka tirada dibadda (EQE) ee 20-30%, marka la barbar dhigo OLEDs

  • Cimri dheer oo shaqo oo ku soo dhowaanaya heerarka OLED

Hal-abuurkani waxa uu albaabka u furayaa bandhigyo tayo sare leh, qiimo jaban oo aan markii hore lagu gaadhi karin tignoolajiyada Micro LED ee caadiga ah.


Hal-abuurka ka dambeeya Pixel-jabinta rikoodhka

Waxa udub dhexaad u ah guushani waa farsamo-abuur cusub oo loo yaqaanhabka xiriirka maxaliga ah. Habkani wuxuu isticmaalaa lakabka dahaarka leh daaqadaha qaabaysan si looga hortago soo-gaadhista tooska ah ee walxaha perovskite ee electrodes, si weyn u yareynaya luminta tamarta aan shucaaca ahayn.

Natiijo ahaan, PeLEDs waxay ilaalinayaan hufnaan sare xitaa cabbirro-yar-yar - guul muhiim u ah codsiyada xallinta sare ee mustaqbalka.


Isbarbardhigga Waxqabadka: PeLED vs Micro LED Dhaqan

HalbeeggaPerovskite LED (PeLED)III-V Micro LED
Cabbirka Pixel ugu yar90 nm~10µm (10,000 nm)
Hoos u dhigista WaxtarkaWuxuu ka bilaabmaa ~180 nmKa hooseeya 10 µm
PPI waa la gaadhay127,000 PPI~5,000 PPI (ganacsi)
Qiimaha wax soo saarkaHooseeyo (xalin-la shaqayn karo)Sare (epitaxy & wareejin ballaaran ayaa loo baahan yahay)

PeLEDs waxay si cad uga sarreeyaan Micro LED-yada dhaqameed labadaba miisaan iyo hufnaan miisaan yar, taas oo ka dhigaysa musharaxiin ku habboon tiknoolajiyada muuqaalka soo socda.

Micro LED Display


Prototype Active-Matrix Micro PeLED Display

Kooxdu waxay sidoo kale soo bandhigtay tusaalaha shaqada ee muujinta micro-PeLED ee firfircoon-matrix iyadoo la adeegsanayo transistor-filim khafiif ah (TFT) gadaal-diyaaradaha - caddaynaya suurtagalnimada codsiyada la taaban karo, xallinta sare.

Xaaladaha isticmaalka suurtagalka ah waxaa ka mid ah:

  • Xaqiiqda La Kordhiyay (AR) iyo Xaqiiqda Dhabta ah (VR)- Hufnaanta heerka retina oo leh PPI aadka u sarreeya

  • Bandhigyo la xidhi karo- Fudud oo awood leh

  • Muraayadaha Casriga ah & Bandhigyada Kor-u-qaadista (HUDs)- Iftiin sare leh oo leh awood yar


Caqabadaha iyo Waddada Horyaalla

Inkasta oo horumarkan la sameeyay, caqabado dhowr ah ayaa haray ka hor inta aysan PeLEDs gaarin wax soo saar ballaaran:

  1. Cimriga iyo xasiloonida: Iyadoo PeLEDs hadda ay ku wajahan yihiin cimriga OLED oo kale ah, horumarin dheeraad ah ayaa loo baahan yahay geynta ganacsiga.

  2. MiisaankaU gudubka noocyada shaybaadhka una gudubta wax soo saarka mugga weyn waxay u baahan doontaa hal-abuurnimo sida daabacaadda qalin jetka iyo habaynta duub-to-roll.

  3. Tartanka: Micro OLED iyo tignoolajiyada dhibicda-quntum-ku-xoojiyey ee Micro LED sidoo kale si degdeg ah ayey u socdaan.

Si kastaba ha noqotee, cufnaanta pixel-ka ee aan horay loo arag ee PeLEDs waxay siinaysaa gees gaar ah oo ku yaal niche, suuqyo xallin sare leh.


Muuqaalka Wershadaha: Kobaca Fiin-Filimka khafiifka ah ee LED

Iyada oo ay sabab u tahay baahida loo qabo soo bandhigida qaraarka aadka u sarreeya iyo horumarka tignoolajiyada isku-dhafka ah ee LED-ka, suuqa-filim khafiifka ah ee caalamiga ah ee Micro LED wuxuu diyaar u yahay koboc xooggan. Waaxyaha muhiimka ah ee sii hurinaya ballaarintan waxaa ka mid ah:

  • AR/VR headsets

  • HUD-yada baabuurta

  • Dharka casriga ah

Marka loo eego falanqaynta warshadaha ee dhowaan, isbeddelladani waxay dardar gelin doonaan maalgashiga iyo R&D ee perovskite iyo teknoolojiyadda bandhigga ee la xidhiidha.

Micro LED Display-001


Gabagabo: Waa cusub oo loogu talagalay Bandhigyada LED-ka Micro

Horumarinta a90nm PeLED pixelwaxay calaamad u tahay isbeddelka isbeddelka tignoolajiyada bandhigga. leh:

  • Cufnaanta pixel-ka aan hore loo arag (127,000 PPI)

  • Qiimaha wax soo saarka hoose marka loo eego III-V Micro LEDs

  • Waxtarka joogtada ah ee cabbirrada nanoscale

Bandhigyada Micro LED-ka ee ku salaysan Perrovskite ayaa si fiican u taagan inay hoggaamiyaan mawjada soo socota ee hal-abuurka - gaar ahaan AR / VR, qalabka xiran, iyo codsiyada kale ee sare ee muuqaalka.

Maaddaama cilmi-baaristu sii socoto oo farsamooyinka wax-soo-saarku ay qaan-gaaraan, PeLEDs waxay dhowaan noqon karaan halbeegga bandhigyada aadka u sarreeya ee warshadaha oo dhan.

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