Mu dziko la kulumikizana kwa zithunzi, nthawi zonse pakhala mkangano wokhudza ukadaulo womwe uli bwino, LED kapena LCD. Zonsezi zili ndi zabwino komanso zoyipa, ndipo nkhondo yopezera malo apamwamba pamsika wa makanema ikupitirira.
Ponena za mkangano wa LED ndi LCD pakhoma la makanema, zingakhale zovuta kusankha mbali. Kuchokera ku kusiyana kwa ukadaulo mpaka mtundu wa chithunzi. Pali zinthu zingapo zomwe muyenera kuziganizira posankha yankho lomwe likugwirizana ndi zosowa zanu.
Popeza msika wapadziko lonse wa makanema owonetsera makanema ukuyembekezeka kukula ndi 11% pofika chaka cha 2026, palibe nthawi ina yabwino kuposa iyi yoti tiyambe kugwiritsa ntchito zowonetsera izi.
Kodi mumasankha bwanji chowonetsera chokhala ndi chidziwitso chonsechi choti muganizire?
Kodi kusiyana kwake n'chiyani?
Choyamba, ma LED onse ndi ma LCD okha. Onse amagwiritsa ntchito ukadaulo wa Liquid Crystal Display (LCD) ndi nyali zingapo zomwe zimayikidwa kumbuyo kwa sikirini kuti apange zithunzi zomwe timawona pazenera zathu. Ma LED amagwiritsa ntchito ma diode otulutsa kuwala kwa magetsi akumbuyo, pomwe ma LCD amagwiritsa ntchito magetsi akumbuyo a fluorescent.
Ma LED amathanso kukhala ndi magetsi owunikira osiyanasiyana. Apa ndi pomwe ma LED amayikidwa mofanana pazenera lonse, mofanana ndi LCD. Komabe, kusiyana kwakukulu ndikuti ma LED ali ndi madera okhazikika ndipo madera awa amatha kuchepetsedwa. Izi zimadziwika kuti kuchepera kwa malo ndipo zimatha kusintha kwambiri mtundu wa chithunzi. Ngati gawo lina la chophimba likufunika kukhala lakuda, madera a ma LED amatha kuchepetsedwa kuti apange chakuda chenicheni komanso kusiyana kwa chithunzi bwino. Ma LCD screen sangathe kuchita izi chifukwa nthawi zonse amawala mofanana.
Khoma la kanema la LCD pamalo olandirira alendo ku ofesi
Ubwino wa chithunzi
Ubwino wa chithunzi ndi chimodzi mwa nkhani zomwe zimakangana kwambiri pankhani ya mkangano pakati pa LED ndi LCD pa makoma a makanema. Ma LED nthawi zambiri amakhala ndi chithunzi chabwino poyerekeza ndi ma LCD. Kuyambira pamlingo wakuda mpaka kusiyanitsa komanso kulondola kwa mitundu, ma LED nthawi zambiri amakhala pamwamba. Ma LED okhala ndi chiwonetsero cha back-light chokwanira chomwe chimatha kufooketsa malo apafupi amapereka chithunzi chabwino kwambiri.
Ponena za ngodya yowonera, nthawi zambiri palibe kusiyana pakati pa makoma a kanema a LCD ndi LED. Izi zimadalira mtundu wa galasi lomwe lagwiritsidwa ntchito.
Nkhani ya mtunda wowonera ikhoza kuonekera pokambirana za LED ndi LCD. Kawirikawiri, palibe mtunda waukulu pakati pa matekinoloje awiriwa. Ngati owonera aziwonera kuchokera pafupi, chinsalucho chimafunika kuchuluka kwa ma pixel mosasamala kanthu kuti khoma lanu la kanema limagwiritsa ntchito ukadaulo wa LED kapena LCD.
Kukula
Kumene chophimbacho chidzayikidwe ndi kukula komwe kukufunika ndi zinthu zofunika kwambiri zomwe zingakuthandizeni kusankha chophimbacho.
Makoma a kanema a LCD nthawi zambiri sapangidwa aakulu ngati makoma a LED. Kutengera ndi kufunikira, amatha kukonzedwa mosiyana koma sapita ku kukula kwakukulu komwe makoma a LED angathe. Ma LED akhoza kukhala akulu momwe mukufunira, imodzi mwa zazikulu kwambiri ili ku Beijing, yomwe imayesa 250 mx 30 m (820 ft x 98 ft) kuti malo onse akhale 7,500 m² (80,729 ft²). Chowonetserachi chimapangidwa ndi zowonetsera zazikulu zisanu za LED kuti apange chithunzi chimodzi chopitilira.
Kuwala
Kumene mudzawonetsere kanema wanu kudzakudziwitsani momwe mukufunira kuti zowonetserazo zikhale zowala.
Kuwala kwambiri kudzafunika m'chipinda chokhala ndi mawindo akuluakulu komanso kuwala kochuluka. Komabe, m'zipinda zambiri zowongolera kuwala kwambiri kungakhale koipa. Ngati antchito anu akugwira ntchito mozungulira kwa nthawi yayitali akhoza kudwala mutu kapena kutopa kwa maso. Pankhaniyi, LCD ingakhale njira yabwino chifukwa palibe chifukwa chowunikira kwambiri.
Kusiyana
Kusiyana kwa mitundu ndi chinthu choyenera kuganizira. Uku ndiko kusiyana pakati pa mitundu yowala kwambiri ndi yakuda kwambiri pazenera. Chiŵerengero chosiyana cha zowonetsera za LCD ndi 1500:1, pomwe ma LED amatha kufika pa 5000:1. Ma LED okhala ndi kuwala kwamtundu wonse amatha kupereka kuwala kwakukulu chifukwa cha kuwala kwa backlight komanso wakuda weniweni wokhala ndi kuwala kwapafupi.
Opanga zowonetsera otsogola akhala otanganidwa kukulitsa mitundu yawo yazinthu kudzera mu mapangidwe atsopano komanso kupita patsogolo kwaukadaulo. Zotsatira zake, khalidwe la zowonetsera lakwera kwambiri, ndipo zowonetsera za Ultra High Definition (UHD) ndi zowonetsera za 8K resolution zakhala muyezo watsopano muukadaulo wa makanema. Zosinthazi zimapangitsa kuti wowonera aliyense aziona bwino kwambiri.
Pomaliza, kusankha pakati pa ukadaulo wa LED ndi LCD pakhoma la makanema kumadalira momwe wogwiritsa ntchito amagwiritsira ntchito komanso zomwe amakonda. Ukadaulo wa LED ndi wabwino kwambiri pa malonda akunja komanso zowoneka bwino, pomwe ukadaulo wa LCD ndi woyenera kwambiri pa malo amkati komwe zithunzi zapamwamba zimafunikira. Pamene ukadaulo uwu ukupitilirabe kusintha, makasitomala amatha kuyembekezera zithunzi zodabwitsa kwambiri komanso mitundu yozama kuchokera pakhoma lawo la makanema.
Nthawi yotumizira: Epulo-21-2023
