chophimba cha LCD

Chiwonetsero cha Liquid Crystal (LCD) ndi chipangizo chowonetsera chomwe chimagwiritsa ntchito ukadaulo wowongolera makristalo amadzimadzi kuti chiwonetse mitundu. Chili ndi ubwino wa kukula kochepa, kulemera kopepuka, kusunga mphamvu, kuwala kochepa, komanso kusunthika mosavuta, ndipo chimagwiritsidwa ntchito kwambiri pa TV, ma monitor, ma laptops, mapiritsi, mafoni a m'manja ndi zina.Tsopano ambirimakampani kuchita bwino kwambiri pa TV.

LCD inayamba m'zaka za m'ma 1960. Mu 1972, S.Kobayashi ku Japan adapanga koyamba chilema - chopandachophimba cha LCD, kenako Sharp ndi Epson ku Japan adayambitsa bizinesi. Kumapeto kwa zaka za m'ma 1980, Japan idadziwa bwino ukadaulo wopanga ma STN - LCD ndi TFT - LCD, ndipo ma TV amadzimadzi - ma crystal anayamba kukula mofulumira. Pambuyo pake, South Korea ndi Taiwan, China nawonso adalowa mumakampaniwa. Cha m'ma 2005, dziko la China linatsatira. Mu 2021, kuchuluka kwa ma LCD aku China kunapitilira 60% ya kuchuluka kwa zotumiza padziko lonse lapansi, zomwe zinapangitsa China kukhala yoyamba padziko lonse lapansi.

Ma LCD amawonetsa zithunzi pogwiritsa ntchito mawonekedwe a makristalo amadzimadzi. Amagwiritsa ntchito yankho la kristalo lamadzimadzi pakati pa zinthu ziwiri zozungulira. Mphamvu yamagetsi ikadutsa mumadzimadzi, makristalo amakonzedwanso kuti athe kujambula zithunzi. Malinga ndi kagwiritsidwe ntchito ndi zomwe zili mu chiwonetsero, ma LCD amatha kugawidwa m'magawo - mtundu, dot - matrix character - mtundu ndi dot - matrix graphic - mtundu. Malinga ndi kapangidwe ka thupi, amagawidwa m'magulu a TN, STN, DSTN ndi TFT. Pakati pawo, TFT - LCD ndiye chipangizo chachikulu chowonetsera.