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TFT lub ntsiab tsis ua

TFT lub ntsiab tsis ua

Oct 12, 2017

(1) field effectility QQ截图20171012112859.png

Field effectility yog ib qho tseem ceeb ntawm TFT qhov tseem ceeb. Mobility yog nruab nrab ntawm kev hloov ntawm cov cab kuj electron thiab qhov nyob hauv chav tsev hluav taws xob, uas yog, qhov tshaj tawm ntawm cov cab kuj nyob rau hauv lub teb hluav taws xob.

Qhov ntau dua qhov kev yoojyim, qhov ua kom lub zog khiav ceev dua; tus me dua cov migration tus nqi, lub qeeb qeeb zog.

(2) hloov tau zoo dua kuv QQ截图20171012111313.png / Kuv QQ截图20171012111330.png

Qhov hloov qhov sib piv yog lwm qhov tseem ceeb ntawm TFT, uas yog sib npaug zos rau qhov sib txawv ntawm qhov qhib tam sim no (Ion) mus rau lub xeev tam sim no (Ioff) ntawm tus nqi zauv. Thaum twg cov khoom ntaus ntawv siv, thaum hloov twj ywm hauv lub xeev qhib, nws tau ceev sau ntawv ceev kom cov kua siv lead ua kua pixel thiaj li xyuas kom tseeb ntawm cov duab teeb. Qhov no yuav tsum tau hais tias TFT, raws li lub caij hloov, muaj ntau dua tam sim no. Lub xeev tam sim no muaj feem xyuam rau tus nqi them thiab qhov tuav tseg ntawm pixel tus nqi. Qhov loj tshaj tawm hauv lub xeev tsis kam, piv txwv li, tus me tshaj tawm hauv lub xeev tam sim no, qhov ntev ntawm lub sijhawm pixel.

(3) chaw pib viav vias S

Lub sub-sheshold viav vias ntawm TFT txhais tias yog nce mus rau qhov chaw xaim tam sim no los ntawm qhov kev txiav txim ntawm qhov siab qhov sib npaug ntawm cov rooj vag uas muaj zog

QQ截图20171012111700.png

Lub sub-shear viav S tau ncaj qha mus saib lub rooj vag voltage kev cai ntawm lub ntaus ntawv, thiab qhov loj dua S, qhov weaker qhov kev cai lij choj, piv txwv li, lub rooj vag siab yuav tsum tau rau cov leakage tam sim no nce los ntawm ib qho kev txiav txim ntawm qhov ntau. Tus me S, tus muaj zog lub transistor tswj lub grid voltage.

(4) chaw pib qhov muaj zog ntawm V QQ截图20171012111910.png

Thaum cov kev siv hluav taws xob nyob rau ntawm lub qhov rooj tsis txaus siab thiab qis qis dua qhov qis, cov yeeb yaj kiab zaj duab xis transistor yog nyob rau hauv lub xeev txiav, thiab qhov chaw xaim tam sim no muaj tsawg, qhov no, los ntawm qhov chaw rau lub qhov dej, thiab yuav luag tsis ua haujlwm tam sim no. Tsuas yog thaum lub rooj vag voltage siab dua li tus nqi hluav taws xob yuav ua rau lub raj xa mus ua haujlwm tam sim no. Qhov no muaj peev xwm hu ua qhov taw hluav taws xob lossis qhov hluav taws xob qhib, uas yog pom los ntawm V QQ截图20171012111910.png . N hom li transistor V QQ截图20171012111910.png > O; P hom li transistor V QQ截图20171012111910.png <>

(5) lub rooj vag zais hluav taws

Nyob rau hauv lub TFT transistor, nruab nrab ntawm lub qhov rooj thiab cov dej sib cais los ntawm txheej txheej txheej insulating txheej txheem, cov qauv thiab cov txheej txheem kev ua lag luam, thaum lub qhov rooj vag qhov hluav taws xob los yog lub qhov rooj ntawm qhov hluav taws xob muaj ntau tshaj ib qho txwv, nws yuav ua rau lub qhov rooj ntawm lub qhov rooj insulating txheej, thiab cov channel yog luv luv circuited. Nws yog ib qhov tseeb hais tias qhov hluav taws xob qhov hluav taws xob ntawm cov kab insulating muaj feem xyuam rau cov khoom thiab cov tuab ntawm cov khoom nyob rau hauv txheej.