Abin da Aidan TV yake da gaske
An yi yawa da yawa da kuma rikicewar kewaye da tallan tallan "LED". Har ma da wakilan wakilan jama'a da masu sana'a da suka kamata su sani mafi kyau suna faɗar ƙarya abin da LED Television yake ga abokan ciniki.
Don saita rikodin a madaidaiciya, yana da muhimmanci a lura cewa zabin LED yana nufin tsarin hasken bayanan da aka yi amfani dashi a cikin LCD Televisions, ba mabanin da ke samar da abun ciki ba.
LCD kwakwalwan kwamfuta da pixels ba su samar da hasken kansu ba. Domin samun LCD TV don samar da hoto a bayyane akan tashoshin TV, LCD din pixels dole ne ya kasance "farfadowa". Don ƙarin ƙayyadaddu game da tsari na baya-bayan da ake bukata don LCD Televisions, ziyarci matata na: Nunawa CRT, Plasma, LCD, da DLP Television Technologies .
A ainihin su, TV din LCD har yanzu suna LCD TVs. Bambanci tsakanin su biyu, kamar yadda aka ambata a sama, shine tsarin hasken baya wanda aka yi amfani dasu. Yawancin launi na LCD suna amfani da madaidaicin tashoshi ta LED maimakon mahimman bayanai na fatar jiki kamar yadda ake magana da LED a tashar tallan tallata.
Don zama cikakke na ainihi, dole ne a lasafta tashoshin LED ɗin da za a lakafta su a matsayin LCD / LED ko LED / LCD TVs.
Ta yaya ake amfani da Fasahar Lashan A LCD TVs?
A halin yanzu halin yanzu akwai manyan hanyoyi guda biyu da aka yi amfani da hasken wuta na LCD a LCD na kwaminis ɗin gidan waya .
LED Edge Haske
Ɗaya daga cikin maɓallin haske na LED shine ake kira Edge Lighting .
A cikin wannan hanya, ana sanya jerin LED tare da gefen waje na LCD panel. Ana watsar da haske a fadin allo ta amfani da "hasken haske" ko "hasken haske". Amfani da wannan hanyar ita ce LED / LCD TV za a iya zama mai zurfi sosai. A wani ɓangaren kuma, rashin haɗin Edge shine ƙananan matakai ba su da zurfi da kuma gefen gefen allo yana da hali ya zama haske fiye da tsakiyar filin.
Har ila yau, wasu lokuta zaka iya ganin abin da ake kira "haske" a kusurwar allon, da / ko "fararen fata" wanda aka warwatse a fadin allo. Lokacin da kake duban hasken rana ko kuma yin rikodin ciki, waɗannan lahani ba su da yawa sananne - Duk da haka, ana iya gane su a cikin digiri daban-daban, lokacin da aka duba dare ko yanayin duhu a shirin TV ko fim din.
LED Direct Lighting
Sauran nauyin haske na LED yana kira Direct ko Full Array (wanda ake kira wani lokaci a matsayin cikakken LED) .
A cikin wannan hanya, yawan layuka na LED suna sanyawa a bayan duk fuskar allon. Babban amfani da hasken baya mai zurfi shine cewa ba kamar launi ba-haske, Hanyar Hankali ko Hanyar Dama, yana samar da ƙarin ko da, uniform, matakin baki a duk fadin allo.
Wata maimaita ita ce cewa waɗannan ɗakunan na iya amfani da "ƙaddarar gida" (idan an yi shi ta hanyar masana'antun). Ƙarin haske mai haske da aka haɗa tare da Dundering Local ana kiransa FALD .
Idan an lalata LED / LCD TV a matsayin Littafin Lissafi, wannan yana nufin cewa ba ya haɗa da raguwa ta gida, sai dai idan akwai karin bayani. Idan LCD / LCD TV ta kunna raguwa ta gida, an kira shi a matsayin Ƙaddarar Ajiyayyen Kyau ko aka bayyana shi azaman Full Array tare da Ƙananan Yanki.
Idan an aiwatar da mummunan gida, wannan yana nufin cewa kungiyoyin LED suna iya kunnawa da kashewa a wasu wurare na allon (wani lokacin ana magana akan bangarori), don haka yana bada haske akan haske da duhu ga kowane yankunan, dangane da asalin an nuna abu.
Wani bambance-bambance game da hasken baya na gaba ɗaya tare da ƙaddamarwar gida shine Sony's Blacklight Master Drive, wadda ta gabatar a kan iyakacin TV a 2016.
Wannan bambancin yana amfani da hanyar tsararren tsari a matsayin tushensa, amma a maimakon ƙin gida ta amfani da yankuna (kungiyoyi na pixels), za a iya canzawa da kashewa baya ga ƙa'idar don kowane pixel, wanda ya kara da haske da daidaituwa ga duka haske da abubuwa masu duhu - irin su kawar da zubar da jinin daga abubuwa masu haske a baki.
Dimming Yanki A Lissafi Edge-Lit LCD TVs
Duk da haka, dole ne a nuna cewa wasu LED / LCD TVs suna da'awar cewa suna da alamar "gida dimming". Samsung yana amfani da kalmar micro-dimming, Sony yana nufin fasalin wannan bambancin fasaha kamar yadda Dynamic LED (a kan talabijin da ba su da mahimmin jagorancin manhajar), yayin da Sharp yake nufin fasalin su kamar Aquos Dimming. Dangane da masu sana'anta kalmar da ake amfani da su na iya bambanta. Duk da haka, fasahar fasaha ta kunshi saɓin haske ta hanyar amfani da hasken haske da hasken hasken hanya ba daidai ba ne fiye da yadda ake amfani da hanzari mafi dacewa na gida wanda aka yi amfani dashi a cikin cikakken Rame ko Lissafi na LCD / LCD.
Idan kana la'akari da siyan sayan LED / LCD Television, gano abin da samfurori da samfurori ke amfani dashi a yanzu ta hanyar Edge ko Hanyar Dattijai kuma duba kowane nau'i lokacin da kake je cin kasuwa don ganin wane irin haske na LED ya fi kyau a gare ka .
LED / LCD TVs vs Standard LCD TVs
Tun lokacin da aka tsara LEDs daban-daban fiye da tsarin tsarin hasken madaidaici, wannan yana nufin cewa sabon LCD na baya-bayan LCD yana ba da bambance-bambance masu zuwa tare da tsarin LCD na yau da kullum:
- Ƙananan ikon amfani.
- Babu Mercury da aka yi amfani dasu a wasu tsarin LCD.
- Ƙarin daidaitaccen launi.
- A cikin LED / LCD TVs ta yin amfani da Hanyar Harshen Cikin Gida, akwai ƙananan ko babu hasken haske a cikin al'amuran duhu. Wannan yana taimakawa har ma mafi girman matakai fiye da gargajiya na LCD ko Lissafin LCD .
- LCD TVs da ke amfani da cikakken tsari ko Lissafin Lissafi na LED sun fi ƙarfin LCD TV da suke amfani da haske mai haske Edge-lit LED. A wasu kalmomi, LCD / LCD TV da ke amfani da hanyar Edge backlight za a iya zama mafi zurfi fiye da duka LCD da LCD na cikakke / LCD.
Gaskiya kawai na TV-TV kawai (ba za a dame shi ba tare da OLED TV wanda ke da fasaha daban-daban) su ne wadanda kuke gani a filin wasanni, wurare, sauran manyan abubuwan da ke faruwa da kuma "manyan-lakabi". (Duba Misalin).
Lissafin haske na LED yana wakiltar ci gaba a fasaha, mafi yawa wajen samar da LCD TV kusa da Filaye-labaran Plasma dangane da aikin baƙi, kuma, a lokaci guda, yin mahimmancin LCD TV kayayyaki zai yiwu.
LEDs da Darin Dama
Wani fasaha wanda aka kafa a cikin adadi mai yawa na LED / LCD TVs shi ne Ƙarin Dama. Samsung yana nufin haɗakar Batun Dum-Dot-LCD / LCD a matsayin QLED TV, wanda mutane da yawa suna rikitawa tare da OLED TVs - Duk da haka, kada a yaudare su, fasaha biyu ba kawai ba ne daban amma ba daidai ba ne.
A takaitaccen bayani, Dotsum Dots sune abubuwa ne da aka sanya a tsakanin Edge Lit ko Dama / Dama Dama Dama da LCD. Dots dashi sun tsara domin inganta launi fiye da abin da LED / LCD TV zai iya samar ba tare da su ba. Don cikakkun bayanai game da yadda aka yi Dotsum Dots, da kuma yadda, kuma me ya sa, ana amfani dashi a cikin LCD / LCD TV, koma zuwa labarin na Quantum Dots - Haɓaka LCD TV Performance .
LED Yi amfani da DLP Video Projectors
Hasken walƙiya yana kuma samar da hanyar zuwa cikin masu bidiyo na DLP . A wannan yanayin, Dama yana samar da hasken haske a maimakon fitilar hasken gargajiya. A cikin shirin bidiyo na DLP, an samar da hoton a wani nau'in ƙananan digiri a saman dutsen DLP, inda kowanne pixel kuma madubi ne. Hasken haske (a cikin wannan yanayin wani haske mai haske wanda ya kunshi ja, kore, da abubuwa masu launin shudi) yana nuna haske daga micromirrors na DLP kuma an tsara shi akan allon.
Yin amfani da hasken haske mai haske a DLP video projectors ya kawar da amfani da tauraron launi. Wannan yana baka damar ganin hoton akan allon ba tare da tasirin bakan gizo na DLP (ƙananan furanni masu launi wadanda wasu lokuta a bayyane suke gani a idon masu kallo a lokacin motsin kai). Har ila yau, tun da aka iya samar da hasken haske na haske na LED don ƙananan matakan, sabon nau'i na kamfanonin bidiyon mahimmanci, wanda ake kira a matsayin mai haske mai haske a cikin shirye-shiryen bidiyo na DLP ya kawar da amfani da ƙaranin launi. Wannan yana baka damar ganin hoton akan allon ba tare da tasirin bakan gizo na DLP (ƙananan furanni masu launi wadanda wasu lokuta a bayyane suke gani a idon masu kallo a lokacin motsin kai). Har ila yau, tun da za a iya samar da hasken wutar lantarki na LED don ƙaramin ƙananan ƙwayoyin, sabon nau'i na ƙwararrun bidiyon video, wanda ake kira Pico projectors sun zama sanannun.
Dama Ana amfani da shi a talabijin - Gabatarwa da Gabatarwa
Tun lokacin da aka kashe talabijin Plasma , LCD / LCD TV sun zama mafi kyawun nau'in TV ɗin da ke samuwa ga masu amfani. OLED TVs, waɗanda suke amfani da fasaha daban-daban, suna samuwa, amma suna da iyakancewa (Kamar yadda 2017, LG da Sony su ne kawai masu sayar da TV masu sayar da OLED TV a kasuwar Amurka), kuma sun fi tsada fiye da takwarorinsu na LCD / LCD. Tare da gyare-gyare na siffofi, irin su ƙaddarar gida da Dutsen Dumbura, yana da kyau a faɗi cewa makomar LED / LCD TV yana da haske sosai.
Don ƙarin bayani game da fasahohin LED wanda aka yi amfani da shi a cikin LCD TVs, bincika rahoton daga CDRinfo.