Ngaphambi Kokuthenga I-LCD TV

Amathelevishini wepaneli yiplanethi manje esejwayelekile endaweni yamashalofu esitolo nasemizini yabathengi. I-LCD yedivishini yamaphaneli, ngezindleko zabo zokunciphisa izindleko nokuthuthukiswa komsebenzi ziba yinto efiselekayo kakhulu kwisethi ejwayelekile ye-CRT. Kodwa-ke, ngaphambi kokuba ugijimise okwedlule "ukuthengiswa okukhangayo okukhulu" kuthelevishini ye- LCD flat , kunamanye amathiphu awusizo okucatshangelwa ukuthi yini ongayibheka lapho uthenga i- LCD TV .

Thola indawo yokubeka i-LCD yakho ye-TV

Njengoba ama-TV e-LCD encane kakhulu, angaba ngodonga noma itafula. Ukuze udonga lubekwe i-LCD TV, gwema ukubeka phezu kwendawo yokushisa esebenzayo. Ukushisa kusuka emlilweni kungathinta ukusebenza nokuphila kwesikhathi eside. Uma usebenzisa i-mount table ehlinzekiwe, thatha isilinganisi kumthengisi nawe ukuze uqinisekise ukuthi wonke ububanzi besethi buzohambisana nesikhala sakho. Qinisekisa ukuthi ushiya i-intshi eyodwa noma amabili ohlangothini ngalunye, phezulu, nangemuva, ukuze uthole umoya wokufinyelela kanye nokufinyelela kokuxhumeka.

Isixazululo sePielel yaseMdabu

I-LCD flat panel setha inezinombolo ezihleliwe zamaphikseli kuskrini sombukiso. Isihluthulelo ukuthola ukubalwa kwamaphikseli okuzalwa njenganokwenzeka. Ama-TV amaningi e-LCD angu-23-amasentimitha futhi phezulu ekunikezeni usayizi weskrini okungenani i-1280x720 (720p) noma i-1366x768 (768p) yokuxazululwa kwe-pixel yomdabu. Lezi yiyona pixel encane kubalwa kufanele ubheke ithelevishini LCD.

Ngaphezu kwalokho, ama-TV e-LCD amaningi amakhulu (ikakhulukazi lawo masentimitha angu-40 futhi amakhulu) manje anikeza i-1920x1080 (1080p) noma i-3840x2160 (4K) yokuxazululwa kwe-pixel yomdabu, okuyinto efiselekayo nakakhulu, ikakhulukazi uma unayo, noma uhlela ukuthenga i-Blu- ray Disc noma i-Ultra HD Disc player.

Ukulinganisa

Ukulinganisa kuyinkqubo lapho umculi wevidiyo wethelevishini azofanisa ukuxazululwa kwesignali engenayo kwisinqumo sakhe samaphikseli asendulo. Lokhu kusho ukuthi amasignali okuxazulula izixazululo eziphansi azothuthukiswa, kodwa i-processor izohlehlisa izibonakaliso eziphezulu zokuxazulula ukuze zikhonjiswe ekubonisweni komuntu we-TV.

Ukwehla okubi kungabangela izinto zokufakelwa, ezifana nemiphetho egijiwe kanye nemininingwane engahambisani nayo. Kumele futhi kuqaphele ukuthi imiphumela futhi ixhomeke kwikhwalithi yesignali engenayo.

Isikhathi Sokuphendula Isikhathi

Ikhono le-LCD TV ukubonisa izinto ezihambayo ngokushesha, esikhathini esidlule, kwaba ubuthakathaka bokubukeka kwe-LCD. Nokho, lokhu kuye kwathuthuka ngokuphawulekayo. Lokhu akusho ukuthi wonke ama-TV e-LCD adalwe alinganayo kule ndawo.

Hlola imininingwane ye-Motion Response Time (ms = milliseconds). I-TV emihle ye-LCD manje kufanele ibe ne-Response Time yama-8ms noma ama-4ms, ne-4ms ibe ngcono, ikakhulukazi uma ubukela eziningi zezemidlalo noma izenzo zefilimu. Qaphela ama-TV e-LCD angabhalisi isikhathi sempendulo yabo yokuphendula.

Esinye isici esingangeza ukwesekwa kwesikhathi sokuphendula yisiKhulu sokuvuselela isikrini.

Ukulinganisa okuhlukile

Isilinganiso sokungafani, noma izinga lokuhluka kwezingxenye ezimhlophe futhi ezimnyama zesithombe, kuyisici esibaluleke kakhulu ukuphawula. Uma i-LCD TV inezinga eliphansi lokuphambene, izithombe ezimnyama zizobukeka zidaka futhi zimpunga, kuyilapho izithombe ezikhanyayo zizobukeka zihlanjululwe.

Futhi, ungadukiswa yi- Contrast Ratio marketing hype. Uma uhlola izinombolo ze-ratio zokuhlukanisa, bheka ukungafani koMdabu, iStatic, noma we-ANSI, hhayi ukungafani okuDynamic noma okugcwele / okuvulekile. Ukungafani kwe-ANS kubonisa umehluko phakathi komnyama nomhlophe uma bobabili besesikrinini ngesikhathi esifanayo. I-Dynamic noma i-ON / OFF ephelele ihluke kuphela izinyathelo ezimnyama ngokwalo futhi zimhlophe ngokwayo.

Ukukhanya okukhanyayo nokukhanya

Ngaphandle kokukhipha okwanele (okulinganiselwe kumaNits), ukukhanya kwakho isithombe sakho se-TV sizobukeka sidaka futhi sithobekile, ngisho nasendlini emnyama. Ukwengeza, ukubuka ibanga , usayizi weskrini, nokukhanya kwekamelo okukhanya kuzothinta ukukhanya okungakanani ku-TV yakho okudingeka ukuyikhipha ukuze unikeze isithombe esanele ngokugcwele ..

Ukubuka i-Angle

Qinisekisa ukuthi ungabuka isithombe ku-TV ye-LCD kusuka ezinhlangothini kanye nakusendaweni yokubuka kuqala. Ama-TV e-LCD ngokuvamile anezinga elihle lokubukela ngakwesokunene, kanti abaningi bahamba ngokubanzi njengo-Degrees angu-160, noma cishe ama-degree angu-80 ukusuka endaweni yokubuka indawo.

Uma uthola ukuthi isithombe siqala ukuphelelwa noma singenakwenzeka ngaphakathi kwama-degree angama-45 ukusuka nganoma yimuphi ohlangothini lwendawo yokubuka indawo, kungase kungabi yinto enhle lapho ukhona iqembu elikhulu lababukeli ehlezi ezingxenyeni ezahlukene zegumbi.

Ukucabangela kwe-Tuner nokuxhumeka

Cishe zonke i-LCD-TV manje zakhiwe ngaphakathi kwe-NTSC ne- ATSC . I-tuner ye-ATSC iyadingeka ukuthola iziteshi zokusakazwa kwe-TV ngemuva kwe-TV ngemuva kuka-Juni 12, 2009. Futhi, amanye ama-TV e-LCD anezinto ezibhekwa njenge-tuner ye-QAM. I-tuner ye-QAM yinto edingekayo ukuthola uhlelo olungenayo ikhebula le-HD ngaphandle kwebhokisi lekhebula (lokhu kubonakala kungavamile njengoba izinhlelo zekhebula zihlaziya iziteshi eziningi.

Ngaphezu kwalokho, i-LCD TV oyithengayo kufanele ibe nokufaka okungenayo i- HDMI yokuxhumeka kwemithombo ye-HD , njengekhebula le-HD noma amabhokisi e-satellite, i- Upscaling DVD noma i- Blu-ray Disc player .