Ngomhla wesi-5 kuCanzibe ngexesha lendawo, kwi-SID Academic Forum, uChen Faxiang, ingcali kwezobuchwephesha eVisionox, unike intetho ephambili emenyiweyo waza wabhengeza ukuba iVisionox ikhokele ekuqaliseni isisombululo semveliso eninzi yetekhnoloji ye-ALD (Atomic Layer Deposition) all-oxide ehambahambayo.

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Ngokusebenzisa inkqubo ye-ALD, iVisionox iqhubele phambili ukuhamba kwe-single-gate kwe-all-oxide TFTs ngaphaya kwe-50 cm²/V·s kwaye iyasebenza ngempumelelo kwiphaneli ye-all-oxide eyi-6.39-intshi. Ukuqinisekiswa kubonisa ukuba itekhnoloji ekuqaleni yanelisa iimfuno zokusebenza ekuchanekeni kokwenza ifilimu, uzinzo kunye nokufana, idala indlela entsha ye-OLED backplanes elinganisela ukusebenza okuphezulu, ukusebenza kakuhle kwenkqubo kunye nokukhula kobukhulu obupheleleyo.

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Ukunyakaza Kudlula i-50 cm²/V·s;

I-ALD Ivula Uphahla Oluphezulu Lokusebenza Kweteknoloji Ye-All-Oxide

Kwi-ecosystem yetekhnoloji ye-OLED backplane ekhoyo, i-LTPS ibisoloko ilawula indlela yokusebenza ephezulu ngenxa yokuhamba kwayo okuphezulu. Nangona kunjalo, ixhomekeke kakhulu kwinkqubo ye-Excimer Laser Annealing (ELA), equka iinkqubo ezinzima kunye neendleko eziphezulu. Izisombululo ze-oxide zemveli zibalaseleyo ngokufana kwendawo enkulu kodwa zithintelwe kukuhamba okuphantsi, okuthintela ukusetyenziswa kwazo kwizicelo eziphezulu. Ukwaziswa kwenkqubo ye-ALD kunika isisombululo esitsha kulo mceli mngeni weshishini osele ukho ixesha elide.

I-ALD ngokusisiseko yiteknoloji yokufaka ifilimu esetyenziswa kumaleko ngamaleko. Ngokungafaniyo ne-PVD eqhelekileyo (i-Physical Vapor Deposition), ebeka izinto kwi-bulk coating enye, i-ALD ikhulisa iifilimu ezincinci umaleko omnye we-athomu ngexesha kunye nolawulo olucolekileyo kakhulu kwinqanaba ngalinye. Ngenxa yoko, iifilimu ezincinci eziveliswe yi-ALD zinobukhulu obuchanekileyo, usasazo olufanayo kunye nozinzo olukhethekileyo, zibeka isiseko esiqinileyo sezinto ze-TFT ze-oxide ezisebenzayo.

Kwii-backplanes zesikrini, ukuhamba kwenkampani yimilinganiselo ephambili yobuchule bokuqhuba be-TFT, echaphazela ngokuthe ngqo isantya sempendulo ye-pixel, ukusebenza kakuhle kokutshaja kunye nokusebenza kokuqhuba kwiimeko ezinesisombululo esiphezulu. Ngokusebenzisa inkqubo ye-ALD, iVisionox ifikelele kwi-single-gate mobility engaphezulu kwama-50 cm²/V·s kunye nokuhamba kwe-dual-gate okungaphezulu kwama-80 cm²/V·s kwii-all-oxide TFTs, ifikelela kumanqanaba aphambili kwihlabathi. Oku kuthetha ukuba ii-all-oxide backplanes ngoku zinamandla okuqhuba aneleyo kwizicelo ezincinci eziphezulu. IVisionox iya kuqhubeka nokuphucula imveliso yobuninzi yale teknoloji kwinqanaba elilandelayo.

Okubaluleke ngakumbi, le teknoloji ye-all-oxide inika ukuqhuba okusebenzayo okuphezulu ngaphandle kweenkqubo ze-ELA ezinzima, nto leyo eyenza kube lula kakhulu ukusebenza kwemveliso kunye nokuphucula ukusebenza kakuhle kwemveliso.

Ukuhlaziya Okukhawulezileyo, Ii-Bezels Ezincinci, Ukusetyenziswa Kancinci Kwamandla — Ukuphuculwa Kokusebenza Kuphakamisa Amava Okubonisa

Ukuphuculwa kokuhambahamba kuthetha ngokuthe ngqo ukuphuculwa okubonakalayo kumava okubonisa umsebenzisi.

Okokuqala, amazinga aphezulu okuhlaziya. Xa isetyenziswa, ifreyimu nganye ifuna ukuhlaziya iipixel ngaphakathi kwexesha elifutshane kakhulu. Amandla okuqhuba isixhobo esomeleleyo avumela impendulo ekhawulezayo yeepixel, ixhasa ngokulula ukubonakala okugudileyo ngamanani aphezulu okuhlaziya.

Okwesibini, ii-bezels ezimxinwa kunye nomlinganiselo ophezulu wesikrini nomzimba. Ngobuchule bokuqhuba obuqinileyo, iisekethe ze-pixel zinokuncitshiswa ngakumbi ngelixa zigcina umgangatho womboniso olinganayo, zithatha indawo encinci yoyilo kwaye zivumela uyilo lwesakhiwo oluncinci ngakumbi. Oku akupheleli nje ekuphuculeni uyilo lwemizi-mveliso lwezixhobo zokugqibela, kodwa kukwaxhasa izibonisi ezinobuninzi be-pixel.

Ukongeza, iteknoloji ivumela ukuboniswa okuzinzileyo ngamanani aphantsi okuhlaziya. Kwimo yokulinda kunye neemeko zomfanekiso ongashukumiyo ezifuna ukugcinwa kwexesha elide kwefreyimu, ukusebenza kwesixhobo okuphuculweyo kugcina ngcono imeko yee-pixel, kunciphisa ukufiphaza kwesikrini kunye nokuguquguquka kokukhanya — kufezekisa ukubonakala okuzinzileyo ngelixa kunciphisa ukusetyenziswa kwamandla.

Iphaneli Yokuqala Encinci Esebenzayo — Ukwandisa Imida Yesicelo Setekhnoloji Ye-All-Oxide

Ngokusekwe kwimpumelelo yokusebenza, iVisionox iphumelele ukusebenza kwiphaneli encinci ye-all-oxide okokuqala. Ngaphambili, ngenxa yokungahambi kakuhle, ii-backplanes ze-all-oxide zazisetyenziswa kakhulu kwizibonisi eziphakathi. Ukusebenza ngempumelelo kwephaneli encinci kubonisa ukuba le ndlela yobuchwephesha ngoku ilungele ukusetyenziswa kwe-premium ephezulu, nto leyo echaza ngokutsha imida yesicelo se-oxide backplanes.

Ukuqinisekiswa kuqinisekisa ukuba isisombululo se-ALD sihlangabezane neemfuno zemveliso yobuninzi kwizalathisi eziphambili zenkqubo: ukuguquguquka kobukhulu befilimu ukusuka kwi-wafer ukuya kwi-wafer ngaphantsi kwe-2% kunye nokufana kobukhulu befilimu ngaphakathi kwe-4%. Oku kubonisa uzinzo olubalaseleyo kunye nokuphindaphindeka kwimveliso yobuninzi, kuhlangabezana ngokupheleleyo nemigangatho yokungaguquguquki kwemveliso yeephaneli. Okwangoku, ubuchwepheshe bugqibile ukuqinisekiswa kumgca wemveliso we-4.5G kwaye bunokwandiswa kwiimveliso zesizukulwana esiphezulu.

Ixhasa umoya "wokulangazelela, ukuba nesibindi kunye nokukwazi ukwenza izinto ezintsha", iVisionox isebenzisa phantse iminyaka engama-30 yokuqokelela ubuchwepheshe kunye namava ophuhliso lwemizi-mveliso ukujongana nemiqobo ephambili ethintela uphuhliso lweshishini. Itekhnoloji ye-ALD all-oxide ehambayo ephezulu ifezekisa uphuculo lokusebenza ngaphakathi kwenkqubo ye-oxide enye, ngaphandle kokuxhomekeka kwiindidi zezinto ezininzi ezintsonkothileyo. Ibonisa ukusebenza okuphezulu, ukusebenza kakuhle kwenkqubo ephezulu kunye nokukhula ngokupheleleyo, ikulungele ukuba yindlela yobugcisa ebalulekileyo yophuhliso lwe-OLED kwixesha elizayo kwaye inike ixabiso elikhulu kumjikelo omtsha wokhuphiswano lwetekhnoloji yokubonisa.