Chithunzi cha LCD

Liquid Crystal Display (LCD) ndi chipangizo chowonetsera chomwe chimagwiritsa ntchito ukadaulo wowongolera ma crystal amadzimadzi kuti akwaniritse mawonekedwe amtundu. Ili ndi maubwino ang'onoang'ono, kulemera kopepuka, kupulumutsa mphamvu, ma radiation otsika, komanso kusuntha kosavuta, ndipo imagwiritsidwa ntchito kwambiri pama TV, zowunikira, ma laputopu, mapiritsi, mafoni am'manja ndi zina.Tsopano ambirimakampani opambana mu gawo la TV.

LCD idayamba mu 1960s. Mu 1972, S. Kobayashi ku Japan poyamba anapanga chilema - kwaulereChithunzi cha LCD, ndiyeno Sharp ndi Epson ku Japan anaikulitsa. Chakumapeto kwa zaka za m'ma 1980, Japan adadziwa luso la kupanga STN - LCD ndi TFT - LCD, ndipo ma TV amadzimadzi - crystal TV anayamba kukula mofulumira. Pambuyo pake, South Korea ndi Taiwan, China adalowanso mumsikawu. Cha m'ma 2005, dziko la China linatsatira. Mu 2021, kuchuluka kwa zowonetsera zaku China za LCD kudaposa 60% ya voliyumu yotumizira padziko lonse lapansi, zomwe zidapangitsa China kukhala yoyamba padziko lapansi.

Ma LCD amawonetsa zithunzi pogwiritsa ntchito mawonekedwe amadzimadzi amadzimadzi. Amagwiritsa ntchito njira yamadzimadzi ya kristalo pakati pa zinthu ziwiri zopangira polarizing. Mphamvu yamagetsi ikadutsa mumadzi, makhiristo amakonzedwanso kuti akwaniritse kujambula. Malingana ndi kagwiritsidwe ntchito ndi zowonetsera, ma LCD akhoza kugawidwa mu gawo - mtundu, dontho - khalidwe la matrix - mtundu ndi dontho - chithunzi cha matrix - mtundu. Malinga ndi kapangidwe ka thupi, amagawidwa kukhala TN, STN, DSTN ndi TFT. Pakati pawo, TFT - LCD ndi chipangizo chowonetsera.