Ƙananan girman allo, H20C108-00N

Yadda LCDs ke aiki

A halin yanzu, yawancin fasahohin nunin kristal na ruwa sun dogara ne akan fasahar uku na TN, STN, da TFT.Saboda haka, za mu tattauna ka'idodin aikin su daga waɗannan fasahohin guda uku.Fasaha nunin kristal mai nau'in TN za a iya cewa ita ce mafi mahimmancin nunin kristal na ruwa, kuma sauran nau'ikan nunin kristal na ruwa kuma ana iya cewa an inganta su tare da nau'in TN azaman asalin.Hakazalika, ka'idodin aikinsa ya fi sauran fasaha sauƙi.Da fatan za a duba hotunan da ke ƙasa.An nuna a cikin adadi siffa mai sauƙi tsarin zane na nunin kristal na TN, gami da polarizers a cikin kwatance a tsaye da kwance, fim ɗin daidaitawa tare da tsagi masu kyau, kayan kristal mai ruwa, da madaidaicin gilashin gilashi.Ka'idar ci gaba ita ce, an sanya kayan kristal mai ruwa a tsakanin gilashin madaidaiciyar haske guda biyu tare da polarizer na tsaye a haɗe zuwa axis na gani, kuma ƙwayoyin kristal ruwa suna jujjuya su daidai gwargwado bisa ga madaidaiciyar tsagi na fim ɗin daidaitawa.Idan ba a samar da filin lantarki ba, hasken zai zama santsi.Yana shiga daga farantin karfe, yana jujjuya alkiblar tafiyarsa daidai da kwayoyin kristal na ruwa, sannan ya fita daga daya bangaren.Idan aka sami kuzari guda biyu na gilashin conductive, za a samar da wutar lantarki tsakanin gilashin guda biyu, wanda zai yi tasiri a daidaitawar kwayoyin kristal da ke tsakanin su, wanda zai sa sandunan kwayoyin su karkata, kuma hasken ba zai kasance ba. iya shiga, ta haka ne ya toshe tushen hasken.Lamarin bambancin haske-Duhu da aka samu ta wannan hanya ana kiransa TNFE (Twisted nematic field effect) a takaice.Nunin kristal na ruwa da ake amfani da su a cikin samfuran lantarki kusan duk an yi su ne da nunin kristal ta ruwa ta amfani da ka'idar tasirin filin murɗaɗi.Ka'idar nuni na nau'in STN yayi kama da haka.Bambanci shine cewa ƙwayoyin kristal ruwa na tasirin filin TN murɗaɗɗen nematic suna juya hasken abin da ya faru da digiri 90, yayin da STN super karkatacciyar filin nematic yana juya hasken lamarin da digiri 180 zuwa 270.Ya kamata a bayyana a nan cewa sauƙi mai sauƙi na TN crystal nuni kanta yana da lokuta biyu kawai na haske da duhu (ko baki da fari), kuma babu wata hanya ta canza launi.Nunin kristal ruwa na STN sun haɗa da alaƙa tsakanin kayan kristal na ruwa da yanayin tsangwama na haske, don haka launin nunin galibi haske kore ne da orange.Koyaya, idan an ƙara tace launi zuwa STN LCD na monochrome na al'ada, kuma kowane pixel (pixel) na matrix ɗin nuni na monochrome ya kasu kashi uku-pixels, masu tace launi suna wucewa ta Fim ɗin yana nuna manyan launuka uku na farko. ja, kore, da shudi, sannan kuma za a iya nuna launin yanayin cikakken launi ta hanyar daidaita daidaitattun launuka uku na farko.Bugu da ƙari, girman girman girman allo na nau'in LCD mai nau'in TN, ƙananan bambancin allo, amma tare da ingantaccen fasaha na STN, zai iya gyara rashin bambanci.