Emkhakheni we-high-definition RGB display chips, i-front-mount, i-flip-chip kanye nezakhiwo eziqondile "izinsika ezintathu", phakathi kwazo izakhiwo ezijwayelekile ze-sapphire front-mount kanye ne-flip-chip zivame kakhulu, futhi izakhiwo eziqondile ngokuvamile zibhekisela kozacile. -ifilimu ye-LED chips ekhishwe ku-substrate.I-substrate entsha ingase ilungiswe noma i-substrate ingase ingaboshelwa ukwenza i-chip eqondile.
Ngokuhambelana nezikrini zokubonisa ezinama-pitches ahlukene, okuhle nokubi kwe-front-mount, flip-chip kanye nezakhiwo eziqondile zihlukile, kodwa akunandaba ukuqhathanisa isakhiwo sokukhweza ngaphambili noma isakhiwo se-flip-chip, izinzuzo zesakhiwo esima mpo kwezinye. izici zisobala.
I-P1.25-P0.6: Izinzuzo ezine ziyagqama
I-Lattice iqhathanise ukusebenza kwama-chips e-Lattice aqondile angu-5×5mil kanye nama-JD asemthethweni angu-5×6mil chips ngokuhlolwa.Imiphumela ifakazela ukuthi uma kuqhathaniswa nama-chips abekwe ngaphambili, ama-chips amile awanakho ukukhanya okuseceleni ngenxa yokukhanya okuhlangothi olulodwa.Kuncane ukuphazamiseka kokukhanya njengoba isikhala siba sincane.Ngamanye amazwi, iphimbo elincane liyancipha ukukhanya.Ngakho-ke, ama-chips aqondile anezinzuzo ezisobala ngokukhanya okukhanyayo futhi abonisa ukucaca ezindaweni ezincane.
Ngokukhethekile, i-chip eqondile inomumo wokukhipha ukukhanya okukhanyayo, ukuphuma kokukhanya okufanayo, ukusabalalisa ukukhanya okulula, nokusebenza okuhle kokulahla ukushisa, ngakho umphumela wokubonisa ucacile;ngaphezu kwalokho, ukwakheka kwe-electrode eqondile, ukusatshalaliswa kwamanje kufana kakhulu, futhi ijika le-IV liyavumelana.Ama-electrode asohlangothini olufanayo, kukhona ukuvinjelwa kwamanje, futhi ukufana kwendawo yokukhanya kubi.Mayelana nesivuno sokukhiqiza, isakhiwo esime mpo singasindisa izintambo ezimbili uma kuqhathaniswa nesakhiwo esivamile esivamile, futhi indawo yokufaka izintambo kudivayisi yanele kakhulu, engakhuphula ngempumelelo umthamo wokukhiqiza wemishini futhi inciphise izinga lokukhubazeka kwedivayisi ngenxa ukuhlanganisa intambo ngohlelo lobukhulu.
In bonisa izinhlelo zokusebenza,"Isibungu" senzeke njalo siyinkinga enkulu kubakhiqizi, futhi imbangela yalesi simo ukufuduka kwensimbi.Ukuhamba kwensimbi kuhlobene eduze nezinga lokushisa, umswakama, umehluko ongaba khona kanye nezinto ezisetshenziswa yi-electrode ye-chip, futhi maningi amathuba okuba kuvele kusibonisi esinephimbo elincane.Isakhiwo se-chip esiphelele esiqondile sinezinzuzo zemvelo ekuxazululeni ukufuduka kwensimbi.
Okokuqala, ibanga eliphakathi kwezigxobo ezinhle nezingezinhle ze-chip yesakhiwo esime mpo likhulu kuno-135 μm.Ngenxa yebanga elikhulu phakathi kwezigxobo ezinhle nezimbi endaweni ebonakalayo, noma ngabe ukufuduka kwe-ion yensimbi kwenzeka, impilo yobuhlalu besibani ye-chip eqondile ingaba yinde izikhathi ezingaphezu kwezi-4 kune-chip evundlile, okuthuthukisa kakhulu ukuthembeka komkhiqizo. kanye nokuzinza.Kungcono ngobaisibonisi esivumelana nezimo.Okwesibili ukuthi ingaphezulu le-chip eluhlaza okwesibhakabhaka nohlaza okwesibhakabhaka elinesakhiwo esiqondile i-electrode yensimbi engenasici i-Ti/Pt/Au, okunzima ukuthi kwenzeke ukufuduka kwensimbi, futhi ukusebenza kwayo okuyinhloko kuyafana nokubomvu. -i-chip eqondile ekhanyayo.Okwesithathu ukuthi i-chip yesakhiwo esime mpo isebenzisa i-glue yesiliva, ene-conductivity enhle yokushisa, futhi izinga lokushisa ngaphakathi kwesibani liphansi kakhulu kunokufakwa okusemthethweni, okunganciphisa kakhulu isivinini sokufuduka kwe-ion yensimbi.
Kulesi sigaba, kuhlelo lokusebenza lwe-P1.25-P0.9, nakuba isisombululo esijwayelekile esibekwe ngaphambili sithatha imakethe enkulu ngenxa yenzuzo yaso ephansi, i-flip-chip nezixazululo eziqondile zidlala indima enkulu ekusetshenzisweni okuphezulu okufanele. ekusebenzeni kwabo okuphezulu.Mayelana nezindleko, intengo yeqembu lama-chips e-RGB kusixazululo esime mpo ingu-1/2 leyo yesisombululo se-flip-chip, ngakho ukusebenza kwezindleko zesakhiwo esime mpo kuphezulu.
Kuzinhlelo zokusebenza ze-P0.6-P0.9mm, izixazululo ezijwayelekile zokubeka i-front-mount zikhawulelwe umkhawulo wesikhala esibonakalayo, kunzima ukuqinisekisa isivuno, futhi amathuba okukhiqizwa ngobuningi aphansi, kuyilapho izixazululo ze-flip-chip ne-vertical chip zingahlangabezana izidingo.Kuyaphawuleka ukuthi, embonini yokupakisha, kuyadingeka ukwengeza inani elikhulu lemishini ukuze kusetshenziswe uhlelo lwesakhiwo se-flip-chip, futhi ngenxa yokuthi amaphedi amabili e-flip-chip mancane kakhulu, izinga lokukhiqiza lokunamathisela kwe-solder. i-welding ayiphezulu, futhi ukuvuthwa kwenqubo yokupakisha yesikimu se-chip mpo Kuphezulu, ukupakishwa okukhona
Imishini yasefekthri ingasetshenziswa ngokufanayo, futhi izindleko zesethi ye-RGB yama-chips aqondile iyingxenye kuphela yaleyo yesethi ye-RGB yama-flip-chips, futhi ukusebenza kwezindleko okuphelele kwesixazululo esiqondile nakho kuphakeme kunalokho isisombululo se-flip-chip.
I-P0.6-P0.3: Isibusiso semizila emibili emikhulu yobuchwepheshe
Kuzinhlelo zokusebenza ze-P0.6-P0.3, i-Lattice igxile kakhulu ku-Thin Film LED, ubuchwepheshe be-chip yefilimu encane ngaphandle kwe-substrate, emboza ukwakheka okuqondile kanye nesakhiwo se-flip chip.I-LED yefilimu ezacile ngokuvamile ibhekisela kwifilimu encane ye-LED chip ekhishwe ku-substrate.Ngemuva kokuthi i-substrate isusiwe, i-substrate entsha ingaboshwa noma isakhiwo esiqondile singenziwa ngaphandle kokubopha i-substrate.Ibizwa ngokuthi i-Vertical thin film, noma i-VTF ngamafuphi.Ngesikhathi esifanayo, ingenziwa futhi isakhiwo se-flip-chip ngaphandle kokubopha i-substrate, ebizwa ngokuthi ifilimu encane ye-flip chip, noma i-TFFC ngamafuphi.
Umzila 1 wobuchwepheshe: I-VTF/TFFC chip + quantum dot red light (QD + blue light InGaN LED)
Ngaphansi kosayizi we-chip omncane kakhulu, i-AlGaInP yendabuko ebomvu ye-LED inezakhiwo ezingasebenzi kahle ngemuva kokususwa kwe-substrate, futhi kulula kakhulu ukuyiphuka ngesikhathi senqubo yokudlulisa, okwenza kube nzima ukwenza ukukhiqizwa kwenqwaba okulandelayo.Ngakho-ke, isisombululo esisodwa siwukusebenzisa ukuphrinta, ukufutha, ukuphrinta nobunye ubuchwepheshe ukubeka amachashazi e-quantum ebusweni be-GaN blue LEDs ukuthola ama-LED abomvu.
Umzila 2 Wobuchwepheshe: Ama-InGaN LED asetshenziswa kuyo yonke imibala ye-RGB
Ngenxa yamandla emishini anganele wesibani esibomvu se-quaternary ngemva kokukhipha i-substrate, kunzima ukwenza ukukhiqizwa kwenqubo elandelayo.Esinye isixazululo ukuthi imibala emithathu ye-RGB yonke ingama-InGaN LED, futhi ngesikhathi esifanayo iqaphela ukuhlanganiswa kwe-epitaxy kanye nokukhiqizwa kwe-chip.Ngokwemibiko, uJingneng useqale ucwaningo nokuthuthukiswa kwesibani esibomvu se-gallium nitride kuma-silicon substrates, futhi ezinye izimpumelelo zenziwe kuma-LED amalambu abomvu e-InGaN asekelwe ku-silicon, okwenza kwenzeke lobu buchwepheshe.
Kuyaphawuleka ukuthi, ngokuqhathanisa izinzuzo nezinkinga ze-TFFC, FC, kanye nama-Micro chips ngokuphathelene ne-substrate, ukuhlukaniswa kwe-chip, ukusebenza kahle okukhanyayo, nokudluliswa kwenqwaba, i-Lattice yafinyelela esiphethweni: isebenzisa umzila wezobuchwepheshe we-Micro kanye ne-Lattice's Inhlanganisela Ama-Mini chips anganciphisa kakhulu izindleko ze-chip ngenkathi ehlisa ubunzima bobuchwepheshe.Lokhu kusho nokuthi imikhiqizo yesikrini esikhulu ye-4K ne-8K Mini ultra-high-definition LED kulindeleke ukuthi ingene ezinkulungwaneni zemizi.
Njengamanje, i-4K ne-8K Mini ultra-high-definition displays izikrini ezinkulu azinakuvinjwa ziqhutshwa ubuchwepheshe be-5G, futhi i-silicon substrate vertical Mini LED chips inethuba lokuba isisombululo somthombo wokukhanya esingabizi kakhulu.
Isikhathi sokuthumela: Nov-18-2022