Ngomhlaka-5 Meyi ngesikhathi sendawo, eSithangamini Sezemfundo se-SID, uChen Faxiang, uchwepheshe wezobuchwepheshe eVisionox, wethule inkulumo eyisihluthulelo eyayimenyiwe futhi wamemezela ukuthi iVisionox ihole ekuqaliseni ikhambi lokukhiqiza ngobuningi lobuchwepheshe be-ALD (Atomic Layer Deposition) all-oxide obuhamba kakhulu.

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Isebenzisa inqubo ye-ALD, i-Visionox iqhube ukuhamba kwe-single-gate kwama-TFT e-all-oxide ngaphezu kwama-50 cm²/V·s futhi isebenzise ngempumelelo iphaneli ye-all-oxide engamasentimitha angu-6.39. Ukuqinisekiswa kukhombisa ukuthi ubuchwepheshe ekuqaleni buye bahlangabezana nezidingo zokusebenza ekuqondeni, ukuzinza kanye nokufana kokwakha ifilimu, okudala indlela entsha yama-backplanes e-OLED alinganisela ukusebenza okuphezulu, ukusebenza kahle kwenqubo kanye nokukhula kosayizi ogcwele.

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Ukunyakaza Kudlula ama-50 cm²/V·s;

I-ALD Ivula Uphahla Olusebenza Kakhulu Lobuchwepheshe Be-All-Oxide

Kuhlelo lobuchwepheshe be-backplane lwe-OLED olukhona, i-LTPS ibilokhu ibusa ithrekhi yokusebenza okuphezulu ngenxa yokuhamba kwayo okuphezulu. Kodwa-ke, incike kakhulu enkambisweni ye-Excimer Laser Annealing (ELA), ehilela izinqubo eziyinkimbinkimbi kanye nezindleko eziphakeme. Izixazululo ze-oxide zendabuko zisebenza kahle kakhulu endaweni enkulu kodwa zinqunyelwe ukuhamba okuphansi, okuvimbela ukusetshenziswa kwazo kusuka kuzinhlelo zokusebenza eziphezulu zekhwalithi ephezulu. Ukwethulwa kwenqubo ye-ALD kunikeza ikhambi elisha kule nselele yemboni ende.

I-ALD empeleni ubuchwepheshe bokufaka ifilimu obusebenzisa ungqimba ngengqimba. Ngokungafani ne-PVD evamile (i-Physical Vapor Deposition), ebeka izinto embozweni owodwa omkhulu, i-ALD ikhulisa amafilimu amancane ungqimba olulodwa lwe-athomu ngesikhathi ngokulawula okuhle kakhulu kuzo zonke izinyathelo. Ngenxa yalokho, amafilimu amancane akhiqizwa yi-ALD anobukhulu obuqondile, ukusatshalaliswa okufanayo kanye nokuqina okumangalisayo, okubeka isisekelo sezinto eziqinile zama-TFT e-oxide asebenza kahle kakhulu.

Kuma-backplane okubonisa, ukuhamba kwenkampani kuyisilinganiso esiyinhloko sekhono lokushayela le-TFT, esithinta ngqo isivinini sokuphendula ngamaphikseli, ukusebenza kahle kokushaja kanye nokusebenza kokushayela ezimweni ezinesinqumo esiphezulu. Ngokusebenzisa inqubo ye-ALD, i-Visionox ifinyelele ukuhamba kwesango elilodwa okungaphezu kwama-50 cm²/V·s kanye nokuhamba kwesango eliphindwe kabili okungaphezu kwama-80 cm²/V·s kuma-TFT e-all-oxide, okufinyelela amazinga ahamba phambili emhlabeni. Lokhu kusho ukuthi ama-backplane e-all-oxide manje anekhono lokushayela elanele lezinhlelo zokusebenza ezincane eziphezulu. I-Visionox izoqhubeka nokuthuthukisa ukukhiqizwa okukhulu kwalolu buchwepheshe esigabeni esilandelayo.

Okubaluleke kakhulu, lobu buchwepheshe obusebenzisa i-oxide yonke buhlinzeka ngokushayela okuphezulu ngaphandle kwezinqubo eziyinkimbinkimbi ze-ELA, okwenza kube lula kakhulu ukusebenza kokukhiqiza futhi kuthuthukiswe ukusebenza kahle kokukhiqiza.

Ukuvuselela Okusheshayo, Ama-Bezels Anciphile, Ukusetshenziswa Kwamandla Okuphansi — Ukuthuthukiswa Kokusebenza Kuphakamisa Ulwazi Lokubonisa

Ukuhamba okuthuthukisiwe kuhumusha ngqo ekuthuthukisweni okubonakalayo kokuhlangenwe nakho komsebenzisi.

Okokuqala, amazinga aphezulu okuvuselela. Ekusetshenzisweni kwangempela, uhlaka ngalunye ludinga ukuvuselela amaphikseli ngaphakathi kwefasitela lesikhathi esifushane kakhulu. Amandla okushayela idivayisi aqinile avumela impendulo esheshayo yamaphikseli, esekela kalula ukubonakala okubushelelezi ngamanani aphezulu okuvuselela.

Okwesibili, ama-bezel amancane kanye nesilinganiso esiphezulu sesikrini nomzimba. Njengoba ikhono lokushayela liqinile, amasekethe e-pixel angancishiswa kakhulu ngenkathi kugcinwa ikhwalithi yokubonisa efanayo, kuthatha isikhala esincane sokuhlela futhi kuvumela ukwakheka kwesakhiwo okufushane kakhulu. Lokhu akugcini nje ngokuthuthukisa ukwakheka kwezimboni kwamadivayisi okugcina, kodwa futhi kusekela izibonisi ezinobuningi be-pixel obuphezulu.

Ngaphezu kwalokho, ubuchwepheshe buvumela ukubonisa okuzinzile ngamanani aphansi okuvuselela. Kwimodi yokulinda kanye nezimo zesithombe esingaguquki ezidinga ukugcinwa kohlaka isikhathi eside, ukusebenza kwedivayisi okuthuthukisiwe kusekela kangcono izimo zamaphikseli, kunciphisa ukukhanya kwesikrini kanye nokushintshashintsha kokukhanya — kufeza ukubonakala okuzinzile ngenkathi kunciphisa ukusetshenziswa kwamandla.

Iphaneli Yokuqala Encane Evuliwe — Imingcele Yokusebenzisa Eyandisa Ubuchwepheshe Be-All-Oxide

Ngokwakhela ekuthuthukisweni kokusebenza, iVisionox isebenzise ngempumelelo iphaneli encane ye-all-oxide okokuqala ngqa. Ngaphambilini, ekhawulelwe ukuhamba okuphansi, ama-backplane e-all-oxide ayesetshenziswa kakhulu kwizibonisi eziphakathi nendawo. Ukusebenza ngempumelelo kwephaneli encane kubonisa ukuthi lo mzila wezobuchwepheshe manje usulungele izinhlelo zokusebenza eziphezulu zekhwalithi ephezulu, okuphinda kuchaze imingcele yokusetshenziswa kwama-backplane e-oxide.

Ukuqinisekiswa kuqinisekisa ukuthi ikhambi le-ALD lihlangabezane nemininingwane yokukhiqiza ngobuningi ezinkombeni ezibalulekile zenqubo: ukuguquguquka kobukhulu befilimu kusuka ku-wafer kuya ku-wafer ngaphansi kuka-2% kanye nokufana kobukhulu befilimu ngaphakathi kuka-4%. Lokhu kukhombisa ukuzinza okuvelele kanye nokuphindaphindeka ekukhiqizweni ngobuningi, kuhlangabezana ngokugcwele nezindinganiso zokuvumelana zokukhiqizwa kwamaphaneli. Njengamanje, ubuchwepheshe buqedile ukuqinisekiswa emgqeni wokukhiqiza we-4.5G futhi bungakhuliswa kubakhiqizi besizukulwane esiphezulu.

Isekela umoya "wokufisa, isibindi kanye nokukwazi ukwenza izinto ezintsha", iVisionox isebenzisa cishe iminyaka engama-30 yokuqongelela ubuchwepheshe kanye nokuhlangenwe nakho kwezimboni ukubhekana nezingqinamba eziyinhloko ezivimbela intuthuko yemboni. Ubuchwepheshe be-ALD all-oxide obuhamba kakhulu bufinyelela ukuthuthukiswa kokusebenza ngaphakathi kohlelo olulodwa lwe-oxide, ngaphandle kokuthembela ekuhlanganisweni kwezinto eziningi eziyinkimbinkimbi. Ngokusebenza okuphezulu, ukusebenza kahle kwenqubo ephezulu kanye nokukhula okugcwele, ilungele ukuba yindlela yobuchwepheshe ebalulekile yokuthuthukiswa kwe-OLED yesikhathi esizayo futhi ilethe inani elikhulu emncintiswaneni omusha wobuchwepheshe bokubonisa.