Ukushisa okuphansi kwe-polysilicon ubuchwepheshe be-LTPS isingeniso

I-Low Temperature Poly-silicon technology LTPS(Low Temperature poly-Silicon) yaqalwa yathuthukiswa izinkampani zobuchwepheshe zaseJapane nezaseNyakatho Melika ukuze kwehliswe ukusetshenziswa kwamandla kwesibonisi se-Note-PC futhi yenze i-Note-PC ibonakale izacile futhi ilula. Maphakathi nawo-1990, lobu buchwepheshe baqala ukufakwa esigabeni sesilingo. I-LTPS ethathwe esizukulwaneni esisha sephaneli ekhipha ukukhanya ephilayo i-OLED nayo yasetshenziswa ngokusemthethweni ngo-1998, izinzuzo zayo ezinkulu zincane kakhulu, isisindo esilula, ukusetshenziswa kwamandla okuphansi, kunganikeza imibala emihle kakhulu nemifanekiso ecacile.

Izinga lokushisa eliphansi le-polysilicon

I-LCD ye-TFTingahlukaniswa nge-polycrystalline silicon (i-Poly-Si TFT) kanye ne-amorphous silicon (a-Si TFT), umehluko phakathi kwalokhu okubili usezicini ezihlukene ze-transistor.Isakhiwo samangqamuzana e-polysilicon sihlelwe ngobunono nangokuqondisa ku-Grain, ngakho ukuhamba kwe-electron kushesha izikhathi ezingu-200-300 kune-amorphous silicon.I-TFT-LCDibhekisela ku-silicon e-amorphous, ubuchwepheshe obuvuthiwe, bemikhiqizo ye-LCD evamile.I-polysilicon ikakhulukazi ihlanganisa izinhlobo ezimbili zemikhiqizo: izinga lokushisa eliphezulu i-polysilicon (HTPS) kanye ne-polysilicon yokushisa ephansi (LTPS).

I-Low Temperature Poly-silicon; Izinga lokushisa eliphansi le-poly-Silicon; i-LTPS (ifilimu encane ye-transistor liquid crystal display) isebenzisa i-excimer laser njengomthombo wokushisa enqubweni yokupakisha.Ngemva kokuba ukukhanya kwe-laser kudlule ohlelweni lokuqagela, i-laser beam ene-uniform energy distribution izokhiqizwa futhi iboniswe engxenyeni yengilazi yesakhiwo se-amorphous silicon. iguqulwe ibe isakhiwo se-polysilicon.Ngoba yonke inqubo iqedwa ku-600℃, ngakho-ke i-substrate yengilazi evamile ingasetshenziswa.

Cokuhlukumezayo

I-LTPS-TFT LCD inezinzuzo zokucaca okuphezulu, isivinini sokuphendula ngokushesha, ukukhanya okuphezulu, izinga eliphezulu lokuvula, njll. Ngaphezu kwalokho, ngenxa yokuthi ukuhlelwa kwekristalu ye-siliconI-LTPS-TFT LCDilandelana kune-a-Si, ukuhamba kwe-electron kuphakeme izikhathi ezingaphezu kweziyi-100, futhi umjikelezo wokushayela we-peripheral ungenziwa ku-substrate yengilazi ngesikhathi esifanayo. Finyelela umgomo wokuhlanganiswa kwesistimu, yonga isikhala bese ushayela izindleko ze-IC.

Ngesikhathi esifanayo, ngoba isekethe ye-IC yomshayeli ikhiqizwa ngokuqondile kuphaneli, inganciphisa ukuthintana kwangaphandle kwengxenye, ikhulise ukuthembeka, ukugcinwa okulula, ifinyeze isikhathi senqubo yomhlangano futhi inciphise izici ze-EMI, bese inciphisa isikhathi sokuklama uhlelo lohlelo futhi yandise inkululeko yokuklama.

I-LTPS-TFT LCD ubuchwepheshe obuphakeme kakhulu bokuzuza i-System on Panel, isizukulwane sokuqalaI-LTPS-TFT LCDkusetshenziswa isekethe yomshayeli eyakhelwe ngaphakathi kanye ne-transistor yesithombe esebenza kahle kakhulu ukuze kuzuzwe ukulungiswa okuphezulu nomphumela wokukhanya okuphezulu, kwenze i-LTPS-TFT LCD ne-A-Si yaba nomehluko omkhulu.

Isizukulwane sesibili se-LTPS-TFT LCD ngokuqhubeka kobuchwepheshe besekethe, sisuka esibonakalayo se-analog siye esixhunyweni esibonakalayo sedijithali, sinciphisa ukusetshenziswa kwamandla.I-LTPS-TFT LCDiphindwe izikhathi eziyi-100 kune-a-Si TFT, futhi ububanzi bomugqa wephethini ye-electrode cishe bungu-4μm, obungasetshenziswa ngokugcwele ku-LTPS-TFT LCD.

I-LTPS-TFT LCDs-Center ihlanganiswe kangcono ku-LSI yangaphandle kune-Generation 2. Injongo ye-LTPS-TFT LCDS iwukuba1) zingabi nezingxenye eziseceleni zokwenza imojuli ibe mncane futhi ibe lula, futhi inciphise inani lezingxenye nesikhathi sokuhlanganisa;(2) Ukucubungula isignali okwenziwe lula kunganciphisa ukusetshenziswa kwamandla;(3) Ukuhlonyiswa ngenkumbulo kunganciphisa ukusetshenziswa kwamandla kube okungenani.

I-LTPS-TFT LCD kulindeleke ukuthi ibe uhlobo olusha lwesibonisi ngenxa yezinzuzo zayo zokucaca okuphezulu, ukugcwala kombala okuphezulu kanye nezindleko eziphansi.Ngobuhle bokuhlanganiswa kwesekethe ephezulu kanye nezindleko eziphansi, inenzuzo enkulu ekusetshenzisweni kwamaphaneli wokubonisa amancane naphakathi nendawo.

Nokho, kunezinkinga ezimbili ku-p-Si TFT.Okokuqala, i-turn-off current (okungukuthi ukuvuza kwamanje) ye-TFT inkulu (Ioff=nuVdW/L);Okwesibili, kunzima ukulungisa izinto ezihamba phambili ze-p-Si endaweni enkulu emazingeni okushisa aphansi, futhi kunobunzima obuthile kule nqubo.

Kuyisizukulwane esisha sobuchwepheshe obususelwe kuI-LCD ye-TFT. Izikrini ze-LTPS zikhiqizwa ngokungeza inqubo ye-laser kumaphaneli avamile we-amorphous silicon (A-Si) TFT-LCD, ukunciphisa inani lezingxenye ngamaphesenti angu-40 futhi izingxenye ezixhumayo ngamaphesenti angu-95, kunciphisa kakhulu ithuba lokwehluleka komkhiqizo. ukukhanya, kanye nesilinganiso sokungafani esingu-500:1.

Kunezindlela ezintathu eziyinhloko zokuhlanganisa abashayeli be-p-Si bezinga lokushisa eliphansi:

Eyokuqala imodi yokuhlanganisa eyingxube yokuskena nokushintsha kwedatha, okungukuthi, umjikelezo womugqa uhlanganiswa ndawonye, ​​irejista yokushintsha kanye ne-shift ihlanganiswe kumjikelezo womugqa, futhi umshayeli okhuluma ngamakheli amaningi kanye ne-amplifier kuxhunywe ngaphandle kusibonisi sephaneli eyisicaba ngomjikelezo ozuzwe njengefa;

Okwesibili, yonke isifunda sokushayela sihlanganiswe ngokugcwele esibukweni;

Okwesithathu, amasekhethi okushayela nawokulawula ahlanganiswe esikrinini sokubonisa.

Shenzhen DisenI-Display Technology Co., Ltd.iyibhizinisi lobuchwepheshe obuphezulu elihlanganisa ucwaningo nentuthuko, ukuklama, ukukhiqiza, ukuthengisa kanye nesevisi. Igxile ocwaningweni nasekuthuthukisweni nasekukhiqizeni izikrini zokubonisa izimboni, izikrini zokuthinta ezimbonini kanye nemikhiqizo ye-optical laminating, esetshenziswa kakhulu emishinini yezokwelapha, amatheminali aphathwa ngesandla embonini, amatheminali e-inthanethi Yezinto kanye nekhaya elihlakaniphile.Isikrini se-LCD,isikrini sokubonisa sezimboni, isikrini sokuthinta semboni, nokulingana okugcwele, futhi ingeyomholi wemboni yokubonisa izimboni.