Matsalar zabar babban ruwa mai ƙarfi na Crystal: manyan sigogi da sifofin zane-zane na na'urori.
42 da inci 47. Kammala tare da piano varnish. Advister Matrix 19201080p
(Cikakken HD), duba kusurwa 178. Instring HDMI, SRS Trussur tsaye
Loewe mutum ya rubuta. HDTV mai girma na Tafiyar Tafiyar Tafiya (HDTV), faifai mai wuya (DR +), haɗin HDMI (2), USB 2.0
Actionness da m zane- Anan akwai manyan trumps na lebur tvs. Yawancin nau'ikan LCD sun samu nasarar lalata cutar ta girma kuma ana iya samun su zama masu siyarwa. Za mu gaya muku wannan labarin, yadda za a zabi babban talabijin mai inganci LCD, menene na'urar sa da sigogi na asali.
15-inch TV tare da ƙudurin 1024768P. Kurarrun fasahar Crystal, Virtual Dolby Deconth shekaru 10 da suka gabata yana da alaƙa da na'urorin donescopic - crt tvs). Yanzu yawancin masana'antun sun daina siyar da su, saboda sun fi son samun siyan plasma (PDP) da kuma ruwa Crystal (LCD). Plasma suna ba da kyakkyawan hoto, amma ba aljihu ba, yawancin 'yan'uwanmu na' yan ƙasa - farashinmu don na'urorin da suka fara shi daga larabawa 100. LCD TVs har sai an kashe kwanan nan game da adadin, amma a lokaci guda sun ba da hoton mediocre sosai. A cewar masana, talabijin na talabijin na halin kirki kuma a yau suna da fifikon televisions na sigogi da yawa, ba tare da kulawa ba a kan girma da taro.
Kasa da eh kyau
Duk da sha'awar masu haɓakawa don ƙirƙirar jeri na itace na zurfin zurfin wuta, don samun na'urar da ke yin nauyi 60kg yanzu kusan babu wanda yake son kowa. Mafi yawan masu sayen masu sayen suna fuskantar TV tare da nuni LCD. Idan shekaru 2-3 da suka wuce, kawai sun mamaye karamin alkalami tsakanin na'urori da ke da inci 15-19, yanzu zaku iya biyan yawancin inci na inci 45 da kuma ƙuduri na 19520 1080 pixels (moestion na HDTV shirye). Waɗannan na'urorin ba kawai ba ku damar kallon wasan TV ba, har ma da ikon ɗaukar wuri mai kyau a gidan wasan kwaikwayo na gida.
Nau'ikan izini biyu
Wajibi ne a bambance tsakanin kudurin da aka nuna bidiyo (a cikin layin TVL da pixels) da kuma warwarewar ta zahiri (a pixels). Misali, layin 720576 (pal) da 1368720 pixels. Juyin siginar analog (quadudates, ether) adapts zuwa nuna ta jiki. Siginar bidiyo na dijital dole ne ya dace da damar allo. Idan ƙudurin siginar ya fi girma yana ba da damar, TV ba zai iya nuna fa'idar bidiyon babban ƙuduri. Aesli akasin haka, to, lokacin da fatar zai rage tsabta ta hoto.
Yaya aka tsara?
Ana jujjuyawar hasken LCD kamar yadda aka nuna Liqual Crystal Movel kuma ya nuna cewa nuna wannan nuni wannan TV gudanar akan lu'ulu'u na ruwa. Saboda haka gaba daya yarda da raguwa. A karo na farko, an nuna samfurin aiki na ma'anar LCD a 1972. A Amurka, kodayake an gano ka'idar aiki da yawa a baya. A spores na pores sun canza mutane da yawa fasahar da aka ba da izinin inganta masana'antu (masu girma dabam) da ingancin inganci (hoto) alamun haɗin LCD. Yawancin TV na zamani LCD sun dogara ne da matrices masu aiki akan TFF microransists (Turanci. Gina fim ne na bakin ciki). Irin waɗannan matrishes suna sanannu ne ta hanyar babban gudu (lokacin amsawa don siginar abinci) idan aka kwatanta da maticabil na ƙarni na farko. Matattarar TFT na zamani suna ba da karancin murdiya yayin canje-canje da sauri a cikin hoto.
Na farko-Polarizer-Polrizer-tace watsa haske mai haske na daidaituwa guda daya (ana amfani dashi don samun hoto lokacin da ya inganta lu'ulu'u a ƙarƙashin rinjayar wutar lantarki);
Ana amfani da abubuwan da ba a sarrafa su ba da ba da izini na kwayar halittar LCD na kayan masarufi na LCD don rage launi da asara mai haske);
3- Hasken hasken da ya kasance a bayan kwamiti na LCD haɗin gilashi ne na fitilu masu haske, mai nuna haske da hasken warwatik.
4 - fim don daidaitawa lu'ulu'u na ruwa a cikin takamaiman shugabanci;
5 Layer na ruwa lu'ulu'u;
6- Substrate Glast - tushe don shigarwa na anda;
7- Matashin launi da aka tsara don samar da launuka na farko na RGB;
8- GASKET don inganta kauri daga cikin LECD LATSA
Tsarin tsari, Nunin LCD shine tsarin Layer. Ka'idojin aikin aiwatar da matrix yana ba da alama akan tsarin dangane da rafin da ke aiki don canje-canje a cikin kowane firikwensin kowane firikwenar firikwenin (Ingilishi. Pixel). Don tasiri a kan abubuwan pixel a cikin TFRMomatrix, ana amfani da masu siyar da iko. Pannarin siginar da aka tura a baƙar fata na toshe.
Menene mine da tsabta?
Afici ne mai kyau m, amma da nayi tambayar mai siyarwa don nuna wasu tashoshin talabijan. Jin kyauta don ƙin yarda game da eriya bace a cikin shagon. A ce dan wasan DVD shine kawai tushen. Bayan haka ba shi da kyau a kama DVDs da yawa daga gidan da kyawawan fina-finai. Misali, wani mummunan gwaji don "zaɓaɓɓu" zai zama babban mai farin ciki "Vidok" (filin wasa na Vidof). Wannan fim a launuka masu sanyi, tare da yawa na wahala har ma da TV mai kyau, za a iya kallon al'amuran duhu sosai akan ingantacciyar hanya. A kan mediocre ba ku sanar da komai ba ...
Idan ka gudanar ka kunna tashar ether, zaka iya kimanta matakin amo, ingancin liyafar. Kodayake da yawa, ba shakka, ya dogara da ko kuna buƙatar inci 37 ta hanyar inci 3 da babban allon a cikin ɗakunan dafa abinci, inda zaku kalli labarai da safe. Don yin hukunci da tsarin launin fata da sauran abubuwa mafi kyau ne a cikin siginar da aka samo daga ether, amma ta DVD. A lokaci guda, hoton bai kamata "zana" a ja ko kore ba. An sace mana cikin sauri don motsawa da sauri alama ta ganowa (ta hanyar, kyakkyawan gwaji mai kyau na wasan kwallon kafa tare da ciyawar kore da 'yan wasan kore). Kusurwar kallo don kimantawa yana da sauƙi. Asibiti, sau da yawa kan zaɓin zaɓi ya dogara ne kawai akan matsayin mai ba da shawara, amma kuma daga manufofin wani kyakkyawan batun ciniki: wasu masu masana'antun za a iya wakilta a cikin mafi kyawun hoto tare da saitunan hoto. Idan kun kusanci zaɓi da kuma abubuwan canjin TV ɗinku mai mahimmanci ne, zaku iya siyan days na musamman (alal misali, ƙwararrun mahimman bayanai na dijital).
RGB (ja, kore, shuɗi) - Manyan launuka uku, haduwa da abin da ke samar da duk wasu launuka na abubuwan da aka bayyane a cikin hoton a kan allon talabijin.
Scart- Zaman na 21-PIN Audio / Bidiyo na Turai-da aka yi, da raguwa na Faransa sunan Syndicat des construpteururs yana da setares uwar gida da televiseurs. Scart ta kirkiro da pilps, suna kokarin kirkirar hanyar canzawa ta duniya ta kowane na'urorin AV.
Siginar bidiyo. Haske da furcin alama a ciki suna gauraye da kuma watsa ta na USB. Ana aiwatar da shigowar shigarwar ta TV galibi ana aiwatar da shi akan haɗin RACA ("Tulip") tare da shigarwar mai launin rawaya. Hoton haɗi suna ɗaukar mafi ƙarancin inganci (ba shi yiwuwa a maido da abubuwan da aka gyara daidai da abubuwan haske da Chroma). Sabili da haka, "Haɗin" sau da yawa yana bayyana lahani, musamman akan manyan sassan Monochromatic na hoton.
An haɗa da siginar bidiyo na bidiyo. Uku wanda ake kira sigina masu launi ana watsa su daban. Ana yin shigarwar mai dacewa na talabijin uku akan haɗin RACA uku tare da shigar da launuka masu launin shuɗi, shuɗi da kore launuka launuka. Fili "ta bangaren" shine mafi kyawun ingancin hanyoyin analog na isar da bidiyo na watsa bidiyo. Hakanan ana nuna alamun launi na CR (CB), PR (PB), Y. Nuna.
HDMI (Babban Bayanin Ma'anar Ma'anar INTERDIA) - Digital ke dubawa don watsa sakonni da bidiyo, ci gaban hadin gwiwar Senasy, Philips, Panasic, Hitachi. Haɗin HDMI shine mafi kyau duka dangane da watsa siginar bidiyo, duk da haka, tsawon wannan kebul yana da iyaka (yawanci ba ya wuce 15m).
Dauki ko kar a ɗauka?
Mai siyarwar ba zai zama da wahala a tabbatar muku amfanin takamaiman ƙirar TV na TV tare da DVD ɗin da aka ƙaddara DVD ba. Bayan haka, bayan yin sayan da kuma bincike gidajen gida a kullun fim ko nuna TV, zaku samu: tare da hoton wani abu ba daidai ba ne.
Sau da yawa dole ne ku ji cewa kyakkyawan talabijin na talabijin na LCD ya nuna bai fi dacewa ba kuma ba ya fi dacewa fiye da maganin kasusti ba, amma kawai "daban." Wannan "daban" ya ƙunshi dalilai da yawa. UZHHK-Nuna tare da m fa'idodi (kyakkyawan hoto hoto) akwai har yanzu muguntar. Ktakov ya kamata a dangana, kamar yadda za a iya haifar da sakamakon da aka yi amfani da shi na matrix - kusancin allon allo (idan ka kalli gefen, haifuwa mai launi ya rikice, hoton yana da kodadde). Koyaya, babu wani ci gaba ci gaba da aka yi a cikin ƙirar zamani da aka samu a cikin samfuran zamani a wannan yankin.
Fatar wuta 1394 Wata hasara tana da alaƙa da Ineriya (mafi daidai, danko) lu'ulu'u wanda ake kira lokacin mayar da martani (8 ms yanzu an ɗauke shi kyakkyawan darajar). Sakamakon abubuwa masu saurin motsawa ne ta hanyar halayyar "jamume". Kodayake ya kamata a lura cewa yawancin abubuwan mamaki suna da asali a cikin TV na Kinincope. Sun taso, misali, saboda sarrafa hoton hoton dijital.
Launin launi na layin nuni na LCD yana kuma barin yawancin abin da ake so. Bari mu faɗi rashin "zurfin baƙar fata" nan da nan m yayin da aka duba cikin ɗakin duhu, cikakkun bayanai na ƙwararrun launuka na fata. Koyaya, ikon tsara saitunan hoto a cikin ƙayyadaddun zamani yana baka damar sanyaya abubuwa da yawa.
Ko da kananan wutar lantarki shine fa'idar gargajiya na LCD TV a gaban Kinescopic da mulma- tare da karuwa a cikin diagonal ya zama ba bayyananne. Don haka, yawan amfani da wutar lantarki ne gwargwadon girman nuni LCD. Ito ya bambanta shi, misali, daga CRT, inda amfani ya dogara da girma na kinescope yana da muhimmanci sosai.
Abin da, duk da sabon ci gaba (Nuni akan Organic LEDs, sed lebur jocecopes), madadin ga LCD TV azaman matsakaicin kusanci da kuma bayyane.
Tsarin LCD
Babban asalin LCD TV shine abin da ake kira matrix mai amfani. Twin ya yi amfani da masu sauƙin zamba waɗanda ke aiki a cikin mahimmin yanayin, buɗe da rufe mutum sel. Yawan sel a cikin pixel daidai yake da adadin RGB manyan launuka (ja, kore, shuɗi). Daidaita da tsananin haske game da kowane sel pixel, zaku iya canza launinta gaba ɗaya. An kirkiro matrix ta hanyar yankan daga babban Bilet don ƙanana da yawa don shigar a TV tare da diagonal na allo daban-daban. Da yake magana da sabbin al'ummomin matrices yana ƙara riba na samarwa, daga ƙarni na zamani (2200187mm), zaku iya yin talabijin 12 tare da diagonal na inci 32. A sauƙaƙe ƙididdige yawan masu tallata TFF a cikin matrix tare da ƙuduri. A ce yana da 1366768 pixels. Mun ninka wannan lambar akan yawan sel a cikin pixel kuma muna samun 1366768 3 = 3 147 264 PCs. Don allo tare da ƙudurin 800,600 Pixel 800,600, bi da bi, 1,440,000 m trististors. Wasu masana'antun za su je dabaru na talla, suna sanar da izinin launuka miliyan 5 ", an samu daidai irin wannan mai ninka mai yawa.
Karya ko ba a haifeshi ba?
Ruwan wannan kamfani yana bin manufofin garanti daban-daban. Sakamakon ya dogara ne ba kawai akan adadi ba, har ma a kan wurin "fashe" pixels. Mafi kyawun zaɓi mai ban sha'awa shine guda ɗaya ko da dama a tsakiyar nuni. Wasu kamfanoni suna amfani da fasahar musamman don rage ganuwarsu (musamman, pixel an haɗa gaba ɗaya lokacin da sel ɗaya ya gaza).
Yawan adadin adadin pixels masu lalacewa (a cewar IBM)
| Nuna ƙuduri, pixels | Haske pixels | Duhu pixels | Jimlar adadin abubuwan da aka yi wa pixels |
|---|---|---|---|
| 20481536 (QXGA) | goma sha biyar | goma sha shida | goma sha shida |
| 16001200 (Uxga) | goma sha ɗaya | goma sha shida | goma sha shida |
| 14001050 (SXGA +) | goma sha ɗaya | 13 | goma sha shida |
| 1024768 (xga) | takwas | takwas | tara |
| 800600 (SVGA) | biyar | biyar | tara |