Izingxoxo zemboni zakamuva zingene kubuchwepheshe obuyisisekelo beI-Thin-Film Transistor (TFT) limibukiso ye-iquid crystal, egqamisa indlela yayo yokulawula “i-matrix esebenzayo” enika amandla ukuthwebula okunembayo okuphezulu—impumelelo yesayensi eqhuba ukuzizwisa okubonakalayo kwesimanje.
I-TFT, okufushane kwethi Thin-Film Transistor, ibhekisela ku-matrix yama-transistors amancane. Ngokungafani nezibonisi ezijwayelekile, iphikseli ngayinye ku-aI-TFTisikrini silawulwa ngasodwa ngesistimu "ye-matrix esebenzayo". Isimiso sokusebenza sifana nendlela “yokuvala”: kusetshenziswa ubuchwepheshe be-backlight, ama-transistors azinikele ngemuva kwephikseli ngayinye alawula ukudluliswa kokukhanya ngokushintsha ukuqondanisa kwekristalu ewuketshezi, kuzuzwe umbala onembile kanye nokuphuma kokukhanya.
Umlingo weIzibonisi ze-Liquid Crystal (LCDs)ilele ezindaweni eziyingqayizivele zamakristalu awuketshezi. Ikhona ezifundeni ezintathu eziyinhloko—i-smectic (izendlalelo ezinjengobumba), i-nematic (ama-molecule amise okwenduku), kanye ne-cholesteric (isakhiwo esivunguzayo)—Ama-LCDs we-TFTikakhulukazi zisebenzisa amakristalu e-nematic. Lapho kusetshenziswa i-voltage, lawa makristalu asonta umumo wawo wamangqamuzana ukuze alawule indlela yokukhanya. Iphikseli ngalinye lihlanganisa amaphikseli amancane abomvu, aluhlaza, naluhlaza okwesibhakabhaka, esebenzisa ukuxuba kombala okungeziwe ukuze kukhiqizwe okubonakalayo okunempilo.
I-Twisted Nematic (TN) eyamukelwa kabanziI-LCD ye-TFTubuchwepheshe, obaziwa ngokusabela ngokushesha nokuthembeka, bunika amandla amadivayisi ajwayelekile ukusuka kuma-smartphones kuya kuma-TV. Njengoba ukuthuthukiswa kwesibonisi esivumelana nezimo, i-TFT isilungele ukuguqula izinkambu ezisafufusa njengobuchwepheshe obugqokekayo, izikrini ezithembisayo ezizacile, ezigobekayo zezinhlelo zokusebenza zesizukulwane esilandelayo.
Isikhathi sokuthumela: Apr-24-2025