UbuchwephesheElectronics

TFT-LCD: incazelo, Umgomo we operation

Ngo yesimanje zasendlini kabanzi i-elementi ezifana TFT-isibonisi. It is lisetshenziswe izinhlobo ezahlukene kumadivayisi: computer Abaqaphi, amathelevishini umakhalekhukhwini izikrini, e camcorders futhi amakhamera, kanye namanye amadivayisi amaningi. Hlobo luni ubuchwepheshe, yiziphi izinzuzo? Kulesi sihloko, sizohlola kuyini nokuthi TFT-LCD, kunezinzuzo zako kanye nebubi.

Izacile-ifilimu Transistor (TFT) kwisi ngolimi lwesiNgisi kusho mncane-ifilimu Transistor. Lezi izakhi zakhiwe mncane ifilimu ukushuba 0.1-0.01 micrometer. transistors Lapha okunjalo futhi ilawulwa TFT-matrix, kodwa-ke kubizwa ngokuthi "asebenzayo". Passive zihlanganisa crystal amadivayisi ketshezi. Active TFT-display, ngokungafani kuya ubuchwepheshe LCD, has a ijubane elikhulu, ukuzwakala kakhulu kunalokhu nekuphikisana yesithombe nokubukela engela kakhulu ububanzi. Kulezi amadivayisi akukho kulokolokoza kwesikrini, kusukela lapho amehlo ukhathele. Esikhathini asebenzayo-matrix kwe-pixel Generating ngemisebe yokukhanya ecucuza nge umbala elinqunyiwe, ngakho TFT-isibonisi licace okuningi kuka yokwenziwa-matrix LCD. Zonke lezi izinzuzo ngenxa yokuthi ubuchwepheshe echazwe has a ephakeme isithombe Ukuvuselela izinga. Lokhu kungenxa yokuthi iphuzu isibonisi ngamunye ilawulwa ehlukile mncane ifilimu Transistor. Isibalo izakhi anjalo TFT-ubuchwepheshe kathathu kunangendlela inani pixels. amaseli Ngakho-ke, elinye iphuzu umdlalo ezintathu ezinemibala: abomvu, aluhlaza okwesibhakabhaka kanye (RGB uhlelo). Ngokwesibonelo, cabanga matrix: isibonisi TFT (umbala) isinqumo 1280x1024 Amaphikseli, ngokulandelana, inani transistors e leli thuluzi kuyoba 3840h1024.

Eyokuqala okucaciswe luketshezi-matrix uvele 1972. Kusukela ngaleso sikhathi, ubuchwepheshe uye savela kakhulu futhi washintsha. Nokho, zonke kwakunzima ukuqeda amaphutha. Ngokwesibonelo, ngenxa inani elikhulu Amaphikseli ngokuvamile phakathi kwabo zingatholakala "ile", okuphukile. iphuzu okunjalo ichithekile ayikwazi ukulungiswa. Kufanele kuqashelwe ukuthi matrix asebenzayo Amaphikseli "ile" kukhona obunganakekile kuka amadivayisi yokwenziwa noma libonise, scan ezimbili. ukuthuthukiswa okuqhubekayo ka TFT Ubuchwepheshe kakhulu ziyancipha tindleko tekukhicita ngabaqaphi enjalo manje "ezibizayo ezingavamile" sekuyinkinga kuyinsakavukela. Isici esibalulekile okwandile-matrix abakhuthele umkhakha kwaba lula ukusetshenziswa. Namuhla akekho kusimangaze Isikrini TFT-display, futhi engamashumi amabili edlule, kwaba yimphumelelo. Rasprostanenie touchmonitors kwandulelwe ukubukeka onobuhle, uyakwazi ezisebenza ezindaweni nokhahlo. Umphumela waba TFT-ukubonisa iyunithi, ngokuhlanganisa izindlela kokubonisa esizibonayo, futhi kwidivaysi yokufakwayo (ikhibhodi). Ukusebenza kahle kwesimiso esinjalo ihlinzeka serial esibonakalayo isilawuli. Le divayisi esandleni esisodwa ixhunywe qapha kanye nezinye - kuya port serial (COM1 - COM4). Ukuze ulawule futhi amasignali lekwati kusukela inzwa, kanye nokucindezela "ebuyile" isetshenziswa PIC-abalawuli. Bayakwazi ukunikeza high speed nokunemba ekunqumeni touch amaphuzu.

Ekuphetheni, sithi TFT-ubuchwepheshe njengendlela isibonisi nezinzwa yonke indawo ekuphileni kwansuku zonke, bajwayele cishe kuzo zonke izinto ezisebenzisa yasendlini.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 zu.unansea.com. Theme powered by WordPress.