TFT-LCD: tsananguro, musimboti oparesheni

Mazuva mhuri midziyo yemagetsi zvikuru akashandisa ichocho akadai TFT-kuratidza. It rinoshandiswa siyana mano: kombiyuta monitors, materevhizheni, mbozha sefa, mune camcorders uye makamera, uyewo mamwe mano mazhinji. Imhandoi zvigadzirwa, ndezvipi zvakanakira? Munyaya ino, tichaongorora chii chinoumba TFT-LCD, ayo zvakanakira nekuipira.

Mutete-firimu transistor (TFT) rakashandurwa kuti mutauro Chirungu zvinoreva nhete-firimu transistor. Izvi zvinhu zviri kugadzirwa mutete firimu Ukobvu 0.1-0.01 micrometer. Pano transistors dzakadaro uye kudzora TFT-chizvaro, asi anonzi "zvinoshingaira". Pusa zvinosanganisira mvura sekristaro namano. Active TFT-vanoratidza, mukusiyana kusvika LCD michina, ane ichimhanya zvikuru, chepamusoro zvikuru zvakajeka uye musiyano chifananidzo uye yekudyidzana paupamhi kuona angled. In namano izvi hapana chinovhara kudzima, umo meso vakaneta. In yezviri chizvaro Pixel urwu nemwaranzi chiedza nekubudisa pamwe akafanorongerwa ruvara, saka TFT-kuratidzwa kuri yakajeka zvikuru pane kungotarisa chizvaro LCD. Zvikomborero zvose izvi nokuda kwokuti akarondedzera zvemichina ane yepamusoro mufananidzo fefeta unodiwa. Izvi imhaka yokuti neimwe pfungwa iri kuratidzwa zvinodzorwa nerimwe yoga mutete firimu transistor. Kuwanda kwakadaro zvinhu mu TFT-zvemichina katatu yakakura kupfuura nhamba pixels. masero Saka, imwe pfungwa machisi matatu mavara: tsvuku, girini uye zvitema (RGB maitiro). Somuenzaniso, funga mumwe chizvaro: kuratidza TFT (ruvara) pamwe chisarudzo pamusoro 1280x1024 pixels ukuwo, nhamba transistors ari mudziyo akadaro achava 3840h1024.

Yokutanga mvura sekristaro chizvaro akazviratidza muna 1972. Kubvira ipapo, mabikirwo yave vakashanduka zvikuru uye kushandurwa. Zvisinei, zvose zvakanga zvisingaiti kubvisa kukanganisa. Somuenzaniso, nokuda vakawanda pixels kazhinji pakati pavo anogona kuwanikwa "yakaputsika", kuti raputsika. Kwakadaro wakabirwa pfungwa haagoni kugadzira. Zvinofanira kucherechedzwa kuti musi yezviri chizvaro "wakaputsika" pixels zvisinganyanyi kuoneka pane kungotarisa mano kana anoratidza, Dual scan. Kuramba Kugadzirwa TFT-zvemichina rave yekudyidzana kwakaderedza inodiwa monitors vakadaro vava "anodhura zvekumwe" yava chinhu chinowanzoitwa. Chinokosha kwakapararira kushingaira chizvaro pakati indasitiri kwaiva nyore. Mazuva ano hapana munhu kushamiswa akagunzva chinovhara TFT-akaratidza, uye makore makumi maviri apfuura, yaiva zvinobudirira. Rasprostanenie touchmonitors agadzirwa chimiro yokutevedzera, vaikwanisa kushanda munharaunda utsinye. Mugumisiro raiva TFT-akaratidza Unit, kubatanidza nzira kuratidza kuona mashoko, uye ane chiyamuro mudziyo (kiibhodhi). The kunyatsoshanda kwegadziriro yakadaro inopa Serial inowanikwa controller. mudziyo uyu paruoko rumwe kwakabatana kuna tarisisa uye mumwe - kune Serial chengarava (COM1 - COM4). Kudzora uye nzwisisa anonongedzera kubva Switch, uyewo kudzvinyirira kuti "dauka" rinoshandiswa Pic-controllers. Vanokwanisa kupa kumhanya uye kururama kuziva chingakubata pfungwa.

In mhedziso, tinoti TFT-michina sezvo chiratidzwa uye sensors zvose zvakatipoteredza muupenyu hwezuva nezuva, vari kushandiswa anenge ose mhuri mudziyo.