Allon tabawa mai waya hudu ya ƙunshi yadudduka masu tsayayya biyu.Daya Layer yana da bas a tsaye a gefen hagu da dama na allon, ɗayan kuma yana da bas a kwance a ƙasa da saman allon, kamar yadda aka nuna a hoto 1.
Hoto 1 Ana gane mai rarraba wutar lantarki ta hanyar haɗa resistors guda biyu a jere [6]
Auna a cikin hanyar X-axis, bias bas ɗin hagu zuwa 0V, da bas ɗin dama zuwa VREF.Haɗa bas ɗin sama ko ƙasa zuwa ADC, kuma ana iya yin ma'auni lokacin da saman sama da ƙasa ke cikin hulɗa.
Domin auna madaidaicin Y-axis, babban bas ɗin yana nuna son kai zuwa VREF kuma bas ɗin ƙasa yana karkata zuwa 0V.Haɗa tashar shigar da ADC zuwa bas na hagu ko bas ɗin dama, kuma ana iya auna ƙarfin wutar lantarki lokacin da saman saman ke cikin hulɗa da Layer na ƙasa.Hoto 2 yana nuna sauƙi samfurin allon taɓawa mai waya hudu lokacin da yadudduka biyu ke hulɗa.Don allon taɓawa na waya huɗu, ingantacciyar hanyar haɗin kai ita ce haɗa bas ɗin da ba ta dace ba zuwa VREF zuwa ingantaccen tashar shigar da bayanai na ADC, kuma don haɗa saitin bas ɗin zuwa 0V zuwa tashar shigar da bayanan mara kyau na ADC.
Allon tabawa mai waya biyar yana amfani da Layer resistive da kuma madaurin kai.Layer na gudanarwa yana da lamba, yawanci a gefensa a gefe ɗaya.Akwai lamba akan kowane kusurwoyi huɗu na Layer resistive.Domin auna ma'auni ta hanyar X-axis, saita kusurwoyin hagu na sama da na hagu zuwa VREF, kuma kusurwoyin dama na sama da na ƙasa suna ƙasa.Tunda kusurwoyin hagu da dama suna da irin ƙarfin lantarki iri ɗaya, tasirin yana kama da bas ɗin da ke haɗa gefen hagu da dama, kama da hanyar da aka yi amfani da ita a allon taɓawa ta waya huɗu.Domin aunawa tare da axis Y, kusurwar hagu na sama da kusurwar dama na sama an daidaita su zuwa VREF, kuma ƙananan hagu na hagu da ƙananan dama an daidaita su zuwa 0V.Tun da kusurwoyi na sama da na ƙasa suna kan ƙarfin lantarki iri ɗaya, tasirin yana kusan iri ɗaya da bas ɗin da ke haɗa gefuna na sama da na ƙasa, kwatankwacin hanyar da aka yi amfani da shi a allon taɓawa mai waya huɗu.Amfanin wannan ma'auni algorithm shine cewa yana kiyaye ƙarfin lantarki a kusurwoyi na sama na hagu da ƙananan dama ba canzawa;amma idan an yi amfani da haɗin gwiwar grid, ana buƙatar a juya ga gatari X da Y.Don allon taɓawa mai waya biyar, mafi kyawun hanyar haɗin kai ita ce haɗa kusurwar hagu ta sama (mai son zuciya kamar VREF) zuwa madaidaicin shigar da bayanai na ADC, kuma haɗa ƙananan kusurwar hagu (bina zuwa 0V) zuwa shigar da maƙasudin maƙasudi. Farashin ADC.
Gilashi substrate wani muhimmin albarkatun kasa don samar da TFT-LCD, kuma farashin sa ya kai kusan 15% zuwa 18% na jimlar farashin TFT-LCD.Ya haɓaka daga layin ƙarni na farko (300mm × 400mm) zuwa layin ƙarni na yanzu (2,850mm × 3,050).mm), ya wuce cikin ɗan gajeren lokaci na shekaru ashirin.Duk da haka, saboda musamman high bukatun ga sinadaran abun da ke ciki, yi da kuma samar da yanayin tsari na TFT-LCD gilashin substrates, da duniya TFT-LCD gilashin substrate samar da fasaha da kasuwa da aka dade amfani da Corning a Amurka, Asahi Glass da kuma Gilashin Wutar Lantarki, da sauransu. Wasu kamfanoni kaɗan ne suka mamaye su.A karkashin karfi da gabatarwa na kasuwa ci gaban, babban ƙasar na kuma fara rayayye shiga cikin R & D da kuma samar da TFT-LCD gilashin substrates a 2007. A halin yanzu, da dama TFT-LCD gilashin substrate samar Lines na biyar tsara da kuma samar da gilashin substrates. a sama an gina su a China.An shirya kaddamar da biyu 8.5-tsara high-tsara ruwa crystal gilashin substrate samar line ayyukan a cikin rabin na biyu na 2011. Wannan ya ba da wani muhimmin garanti ga localization na sama albarkatun kasa ga TFT-LCD masana'antun a cikin kasar ta kasa da kuma wani gagarumin garanti. raguwa a farashin masana'antu.
Hanyar aiwatar da allon taɓawa na waya bakwai daidai yake da allon taɓawa mai waya biyar sai dai an ƙara layi ɗaya zuwa kusurwar hagu na sama da kusurwar dama ta ƙasa.Lokacin yin ma'aunin allo, haɗa waya ɗaya a kusurwar hagu na sama zuwa VREF, ɗayan kuma zuwa madaidaicin ma'aunin SAR ADC.A lokaci guda, waya ɗaya a cikin ƙananan kusurwar dama tana haɗi zuwa 0V, ɗayan kuma an haɗa shi zuwa madaidaicin madaidaicin SAR ADC.Har yanzu ana amfani da Layer conductive don auna wutar lantarki mai rarraba wutar lantarki.
Sai dai ƙara waya ɗaya ga kowace bas, hanyar aiwatar da allon taɓawa na waya takwas daidai yake da na allon taɓawa na waya huɗu.Don bas ɗin VREF, ana amfani da waya ɗaya don haɗawa zuwa VREF, ɗayan kuma ana amfani da ita azaman ingantacciyar shigar da bayanai na SAR ADC's dijital-zuwa-analog Converter.Don bas ɗin 0V, ana amfani da waya ɗaya don haɗawa zuwa 0V, ɗayan kuma ana amfani da ita azaman shigar da mara kyau na SAR ADC's dijital-zuwa-analog Converter.Ana iya amfani da kowace ɗaya daga cikin wayoyi huɗun da ke kan layin mara son zuciya don auna ƙarfin wutar lantarki mai rarraba wutar lantarki.