TFT-LCD lera la ho fetola
TFT-LCD lera la ho fetola
Likaroloana
LCD e nkile sebaka sa CRT e le eona e ka sehloohong, 'me theko e theohile haholo,' me e se e tumme ka ho feletseng.
Ho latela mehloli e fapaneng ea leseli la morao-rao, LCD e ka aroloa ka mefuta e 'meli: CCFL le LED.
Ho se utloisisane:
Basebelisi ba bangata ba lumela hore lipontšo tsa kristale tsa metsi li ka aroloa ka li-LED le li-LCD.Ho isa bohōleng bo itseng, kutloisiso ena e khelosoa ke lipapatso.
Pontšo ea LED 'marakeng ha se pontšo ea 'nete ea LED.Ho bua ka nepo, ke ponts'o ea kristale ea LED-backlit liquid.Phanele ea kristale ea metsi e ntse e le pontšo ea LCD ea setso.Ka tsela e itseng, sena se batla se le bolotsana.tlhaho!Samsung ea Korea Boroa e kile ea ahloloa ke Mokhatlo oa Lipapatso oa Borithane e le ho tlola melao ea papatso ea naha hobane li-TV tsa eona tsa "LEDTV" LCD TV li ne li belaelloa ka ho khelosa bareki.Bakeng sa lipontšo tsa kristale ea metsi, senotlolo sa bohlokoa ka ho fetisisa ke LCD ea eona le mofuta oa backlight, ha liphanele tsa LCD tsa lipontšo 'marakeng hangata li sebelisa liphanele tsa TFT, tse tšoanang.Phapang pakeng tsa li-LED le li-LCD ke hore mefuta ea bona ea backlight e fapane: LED The backlight le CCFL backlight (ke hore, mabone a fluorescent) ke diode le mabone a batang a cathode, ka ho latellana.
LCD ke khutsufatso ea Liquid Crystal Display, e bolelang "ponts'o ea kristale ea metsi", ke hore, ponts'o ea kristale ea metsi.Leseli la LED le bolela mofuta oa kristale ea mokelikeli (LCD), ke hore, pontšo ea kristale ea metsi (LCD) e nang le LED (light emitting diode) e le mohloli oa backlight.Ho ka bonoa hore LCD e kenyelletsa li-LED.Selekane sa LED ha e le hantle ke CCFL.
CCFL
E bua ka pontšo ea kristale ea metsi (LCD) e nang le CCFL (lebone le batang la cathode fluorescent) e le mohloli oa backlight.
Molemo oa CCFL ke ts'ebetso e ntle ea mebala, empa bothata ke tšebeliso e phahameng ea matla.
LED
E bua ka "liquid crystal display" (LCD) e sebelisang li-LED (light emitting diode) e le mohloli oa mabone a ka morao, 'me ka kakaretso e bua ka li-WLED (li-LED tse khanyang tse tšoeu).
Melemo ea LED ke boholo bo nyane le tšebeliso e tlase ea matla.Ka hona, ho sebelisa LED e le mohloli oa backlight ho ka finyella khanya e phahameng ha ho ntse ho nahanoa ka bobebe le bosesaane.Bothata bo boholo ke hore ts'ebetso ea 'mala e mpe ho feta ea CCFL, kahoo li-LCD tse ngata tsa litsebi li ntse li sebelisa CCFL ea setso e le mohloli oa backlight.
Tekheniki Parameters
Theko e tlase
Ka kakaretso, ho fokotsa litšenyehelo ho fetohile molao oa bohlokoa bakeng sa lik'hamphani ho phela.Ho theosa le nalane ea nts'etsopele ea TFT-LCD, ha ho thata ho fumana hore ho eketsa boholo ba likhalase tsa khalase, ho fokotsa palo ea limaske, ho eketsa tlhahiso ea setsi sa setsi le tlhahiso ea lihlahisoa, le ho reka lisebelisoa tse tala tse haufi ke boiteko bo tsoelang pele ba TFT- Baetsi ba LCD..
Glass substrate ke thepa ea bohlokoa e tala bakeng sa tlhahiso ea TFT-LCD, 'me litšenyehelo tsa eona li nka hoo e ka bang 15% ho ea ho 18% ea litšenyehelo tsohle tsa TFT-LCD.E tsoetse pele ho tloha moleng oa pele oa moloko (300mm × 400mm) ho ea ho moloko oa leshome oa hona joale (2,850mm × 3,050).mm), e fetile nako e khuts'oane ea lilemo tse mashome a mabeli.Leha ho le joalo, ka lebaka la litlhoko tse phahameng haholo tsa sebopeho sa lik'hemik'hale, ts'ebetso le maemo a ts'ebetso ea tlhahiso ea likaroloana tsa khalase tsa TFT-LCD, theknoloji ea lefats'e ea tlhahiso ea khalase ea TFT-LCD le mmaraka esale e sebelisoa ke Corning United States, Asahi Glass le. Glass ea Motlakase, joalo-joalo E laoloa ke lik'hamphani tse 'maloa.Tlas'a ts'ebetso e matla ea nts'etsopele ea 'maraka, naha e kholo ea naha ea heso e ile ea boela ea qala ho kenya letsoho ka mafolofolo ho R&D le tlhahiso ea likhalase tsa khalase tsa TFT-LCD ka 2007. Hona joale, palo ea lihlahisoa tsa khalase tsa TFT-LCD tsa moloko oa bohlano le tlhahiso ea likhalase. ka holimo li hahiloe Chaena.Ho reriloe ho qala merero e 'meli ea 8.5-generation high-generation liquid crystal substrate line line ea tlhahiso ea lihlahisoa karolong ea bobeli ea 2011.
Sena se fana ka tiisetso ea bohlokoa bakeng sa ho kenngoa ha thepa e tala ho bahlahisi ba TFT-LCD naheng ea heso le phokotso e kholo ea litšenyehelo tsa tlhahiso.
Karolo e ka sehloohong ea theknoloji ea tlhahiso ea TFT ke mokhoa oa photolithography, e seng feela karolo ea bohlokoa ea ho khetholla boleng ba sehlahisoa, empa hape ke karolo ea bohlokoa e amang litšenyehelo tsa sehlahisoa.Ts'ebetsong ea photolithography, tlhokomelo e kholo e lefshoa ho mask.Boleng ba eona bo etsa qeto ea boleng ba TFT-LCD ka tekanyo e kholo, 'me ho fokotseha ha tšebeliso ea eona ho ka fokotsa matsete a thepa ka katleho le ho khutsufatsa potoloho ea tlhahiso.Ka phetoho ea sebopeho sa TFT le ntlafatso ea ts'ebetso ea tlhahiso, palo ea limaske tse sebelisoang ts'ebetsong ea tlhahiso le eona e fokotsehile.Hoa bonahala hore ts'ebetso ea tlhahiso ea TFT e fetohile ho tloha ts'ebetsong ea pele ea 8-mask kapa 7-mask lithography ho ea ho mokhoa o sebelisoang hona joale oa 5-mask kapa 4-mask lithography process, e fokotsang haholo potoloho ea tlhahiso ea TFT-LCD le litšenyehelo tsa tlhahiso. .
4 Ts'ebetso ea lithography ea mask e fetohile ntho e ka sehloohong indastering.E le ho tsoela pele ho fokotsa litšenyehelo tsa tlhahiso, batho ba 'nile ba leka ho hlahloba mokhoa oa ho fokotsa palo ea limaske tse sebelisoang ts'ebetsong ea photolithography.Lilemong tsa morao tjena, lik'hamphani tse ling tsa Korea li entse tsoelo-pele ho nts'etsopele ea mokhoa oa 3-mask lithography, 'me li phatlalalitse tlhahiso ea bongata.Leha ho le joalo, ka lebaka la theknoloji e thata ea ts'ebetso ea 3-mask le tekanyo e tlaase ea lihlahisoa, ho ntse ho e-na le tsoelo-pele e eketsehileng.Tlas'a nts'etsopele le ntlafatso.Ho tloha ponong ea nako e telele ea tsoelo-pele, haeba theknoloji ea khatiso ea Inkjet (inkjet) e etsa katleho, ho phethahala ha tlhahiso ea maskless ke sepheo sa ho qetela seo batho ba se phehellang.
