Ha ho tluoa LCD TV (Lithelevishene tsa LED ke LCD TV! ), Bareki ba bangata ba nahana hore LCD e tšoana le HDTV. Leha ho le joalo, ho tlameha ho hlokomeloe hore lentsoe "LCD" ha le amane le ho rarolla, empa theknoloji e sebelisetsoang ho bopa setšoantšo se bonoang skrineng ea LCD TV. Lisebelisoa tsa LCD tsa TV li ka etsoa ho bontša liqeto tse tobileng, tse boletsoeng ka Pixels . Hape ke habohlokoa ho bontša hore boholo ba skrine ea LCD TV ha bo bolele hore ke HDTV kapa joalo.
Se latelang ke tlhaloso ea hore na ho sebelisana ha theknoloji ea LCD le tharollo ea pontšo ho fapana joang.
SDTV le EDTV
Haeba u na le LCD TV e entsoeng mathoasong a 2000 kapa pele, e ka 'na ea e-ba SDTV (Standard Definition TV) kapa EDTV (Extended Definition TV) eseng HDTV.
SDTVs e na le qeto ea ho bonts'a 740x480 (480p). "P" e eme bakeng sa litekanyetso tse tsoelang pele , e leng tsela eo LCD TV e bontsang li-pixels le litšoantšo ka skrineng.
Hangata EDTV e na le qeto ea pixel ea letsoho ea 852x480. 852x480 e emela pixelisi tse 852 hohle (ho le letšehali ho ea ka ho le letona) le pixels tse 480 holimo (holimo ho ea tlase) holim 'a skrine. Li-pixels tse 480 hape li emela palo ea mela kapa mela ho tloha holimo ho ea tlase ho skrine. Sena se phahame ho feta tlhaloso e tloaelehileng, empa ha e finyelle litlhoko tsa qeto ea HDTV.
Litšoantšo tse lipapaling tsena li ka 'na tsa bonahala li le ntle, haholo-holo li DVD le cable e tloaelehileng ea digital, empa hase HDTV. DVD ke Standard Standard definition e tšehetsa khoeli ea 480i / p (li-pixel 740x480).
LCD le HDTV
E le hore thelevishene leha e le efe (eo hape e bolelang LCD TV) ho khetholloa e le HDTV, e tlameha ho bonahatsa qeto ea molumo oa mela e ka bang 720 (kapa mela ea pixel). Skrine e bontša liqeto tse lumellanang le tlhokahalo ena (ka pixels) ke 1024x768, 1280x720 , le 1366x768.
Kaha lithelevishene tsa LCD li na le li-pixel tse fokolang (tse boletsoeng e le pontšo e tsitsitseng ea pixel), lipalo tsa lipontšo tse nang le liqeto tse phahameng li tlameha ho nkoa hore li lumellane le palo ea tšimo ea pixel ea LCD e hlahisitsoeng.
Ka mohlala, mofuta o tloaelehileng oa tlhahiso ea HDTV oa 1080i kapa 1080p o hloka ponts'o ea matsoho ea li-pixels tsa 1920x1080 bakeng sa setšoantšo se le seng sa thekiso ea HDTV. Hape kaha, joalokaha ho boletsoe pejana, LCD Televisions e mpa e hlahisa litšoantšo, butle-butle li-1080i tsa mohloli li tsoa deinterlaced ho fihlela ho 1080p kapa li theoleloa ho 768p (1366x768 pixels), 720p, kapa 480p ho latela tlhahiso ea pixel ea LCD e itseng .
Ka mantsoe a mang, ha ho na ntho e kang LCD TV ea 1080i. Lithelevishene tsa LCD li ka bontsa video feela ka mokhoa o tsoelang pele oa ho hlahloba, kahoo haeba LCD TV ea hau e amohela pontšo ea tharollo ea pono ea 1080i, LCD TV e tlameha ho tlosoa holimo 'me e khutlisetse letšoao la ho kenya la 1080i ho 720p / 768p lithelevisheneng le 1366x768 kapa 1280x720 e tsoetseng pele ea pixel qeto kapa 1080p LCD TV le 1920x1080 tharollo ea pixel ea matsoalloa.
Hape, haeba lithelevishene ea hau ea LCD feela e na le tšimo ea pixel ea 852x480 kapa 1024x768, letšoao la pele la HDTV le tlameha ho lekanyelitsoe ho lumellana le palo ea 852x480 kapa 1024x768 pixel ho LCD screen surface. Lipuo tsa signal tsa HDTV li lokela ho theoha fatše ho lumellana le tšimo ea LCD Television ea sebaka sa pixel.
Ultra HD TV le ka morao
Ka tsoelo-pele ea theknoloji ea tlhahiso ea tlhahiso, ho na le palo e ntseng e eketseha ea LCD TV tse fanang ka qeto e bontšang pono ea 4K (3840x2160) e bitsoang Ultra HD).
Hape, lithelevishene tse ka tšehelang liqeto tsa 8K (7680 x 4320 pixels) ha li fumanehe ho bareki ho fihlela ka 2017, empa, shebahala joalokaha ho lebelletsoe hore li tla fumaneha, bonyane ka palo e nyenyane, ka 2020.
The Bottom Line
Ha u reka LCD TV matsatsing ana, u ka kholiseha hore boholo ba batho ba kopana bonyane litlhoko tse tlaase tse lokelang ho hlalosoa e le HDTV. Lithelevishene tse nang le lisebelisoa tsa lichelete 32-lisenthimithara tse peli kapa tse ka tlase li ka 'na tsa e-ba le liqeto tsa lipuo tsa 720p kapa 1080p, li-TV tse 39-cm le tse khōloanyane li ka ba le liqeto tsa 1080p (HDTV) kapa Ultra HD (4K) tsa tlhahiso ea tlhaho.
Leha ho le joalo, ho ka 'na ha e-ba le linyeoe litsing tse ling tsa TV tse bolelele ba lisenthimithara tse 24 le tse nyenyane, moo u ka' nang ua thulana le qeto ea 1024x768, empa ha ho bonolo hakaalo matsatsing ana.
Hopola feela hore ho ntse ho e-na le li-TV tsa khale tsa LCD tse sebelisoang e ka 'nang ea e-ba SDTV kapa EDTVs - haeba u sa tsebe hantle hore na u na le eng, hlokomela melaetsa ea liphutheloana, sheba buka ea hau ea mosebetsing, kapa ikopanye le tšehetso ea tech tech bakeng sa maraka / mohlala haeba seo se ka etsahala.