Kusiyana pakati pa ma TV a LCD ndi OLED
Televizioni yapita patsogolo kwambiri m'zaka zaposachedwa. Kuyambira pa zowonetsera zazikulu, zonga chubu mpaka ma TV anzeru okongola okhala ndi zithunzi zoyera bwino, ukadaulo wa pa TV wapita patsogolo kwambiri. M'malo awa, ukadaulo wa zowonetsera ziwiri zomwe nthawi zambiri zimayerekezeredwa ndi LCD (Liquid Crystal Display) ndi OLED (Organic Light Emitting Diode). Ngakhale zikuwoneka zofanana poyamba, mitundu iwiriyi ya zowonetsera ili ndi kusiyana kwakukulu komwe kumakhudza mtundu wa chithunzi, kugwiritsa ntchito mphamvu, kapangidwe ka chipangizo, ndi mtengo. Tiyeni tiwone kusiyana kwakukulu pakati pa ma TV a LCD ndi OLED mwatsatanetsatane.
1. Mfundo Zogwirira Ntchito ndi Ukadaulo Woyambira
LCD:
Ma TV a LCD amagwiritsa ntchito mapanelo opangidwa ndi mamolekyulu amadzimadzi a kristalo omwe ali pakati pa zinthu ziwiri zozungulira. Ma kristalo amadzimadzi awa samatulutsa kuwala okha; m'malo mwake, amasinthasintha kuwala komwe kumatulutsidwa ndi kuwala kwakumbuyo, komwe nthawi zambiri kumakhala kuwala kotulutsa kuwala (LED). Mapanelo a LCD amakhala ndi ma subpixel atatu, iliyonse yokhala ndi utoto wofiira, wobiriwira, ndi wabuluu (RGB), zomwe pamodzi zimapanga mtundu wa chithunzicho.
OLED:
Kumbali inayi, OLED ndi ukadaulo wowonetsera momwe pixel iliyonse imatulutsa kuwala kwake. Ma pixel a OLED amapangidwa ndi zigawo za zinthu zachilengedwe zomwe zimawala magetsi akagwiritsidwa ntchito. Izi zikutanthauza kuti pixel iliyonse imagwira ntchito ngati gwero lake la kuwala, zomwe zimathandiza kuti pakhale kulamulira bwino mtundu ndi kuwala.
2. Ubwino wa Chithunzi
Kusiyana ndi Mdima:
Ma OLED ndi abwino kwambiri pankhani ya kusiyana kwa kuwala komanso kuthekera kowonetsa zakuda kwambiri. Chifukwa pixel iliyonse ya OLED imatha kuzimitsidwa kwathunthu, imatha kupanga zakuda zenizeni. Izi zikusiyana kwambiri ndi ma LCD, omwe nthawi zonse amakhala ndi kuwala komwe kumatuluka kuchokera ku backlight, zomwe zimapangitsa kuti zakuda pazenera la LCD ziwoneke ngati imvi yakuda.
Kuwala:
Ma LCD ali ndi ubwino pa kuwala kwapamwamba kwambiri. Chifukwa amagwiritsa ntchito kuwala kwa kumbuyo kowala, ma TV a LCD amatha kukhala ndi kuwala kwapamwamba kuposa ma OLED. Izi ndizothandiza makamaka m'malo owala kwambiri kapena m'zipinda zomwe muli kuwala kozungulira kwambiri.
Kulondola kwa Utoto:
Ma OLED nthawi zambiri amapereka mtundu wolondola komanso wolemera kwambiri. Izi zili choncho chifukwa kuwongolera kwa pixel iliyonse payekha kumalola mitundu yodzaza komanso yeniyeni. Ma TV a LCD amathanso kupereka mtundu wabwino, koma nthawi zambiri amafunikira ukadaulo wowonjezera, monga Quantum Dots, kuti akwaniritse mtundu wofanana.
3. Maganizo
LCD:
Vuto lalikulu la ma LCD ndi kuchepa kwa khalidwe la chithunzi akamaonedwa kuchokera mbali zonse. Chifukwa cha kapangidwe ka panelo ndi kuwala kwa polarization, mitundu imatha kuwoneka yozimiririka kapena yosokonekera ikaonedwa kuchokera mbali zonse ziwiri.
OLED:
OLED imapereka ngodya yowonera yokulirapo. Chifukwa pixel iliyonse imatulutsa kuwala kwake, khalidwe la chithunzi, kuphatikizapo kuwala ndi mtundu, limasinthasintha ngakhale litawonedwa kuchokera ku ngodya zakuthwa kwambiri. Izi zimapangitsa OLED kukhala yabwino kwambiri pa mipando yomwe siili moyang'anizana ndi chophimba mwachindunji.
4. Nthawi Yoyankha ndi Kubwezeretsa Mtengo
LCD:
Ma panelo a LCD nthawi zambiri amakhala ndi nthawi yoyankha pang'onopang'ono kuposa ma OLED. Ngakhale kuti ma panelo a LCD okhala ndi mitengo yotsitsimula kwambiri komanso kuchedwa kochepa tsopano akupezeka ndipo amapereka magwiridwe antchito abwino kwambiri pamasewera ndi kuonera zinthu zomwe zikuyenda mwachangu, OLED ikadali ndi zabwino.
OLED:
OLED ili ndi nthawi yoyankha mwachangu kwambiri komanso liwiro lalikulu lotsitsimula. Izi zikutanthauza zithunzi zakuthwa, zopanda kusokonekera, zomwe zimapangitsa kuti ikhale yoyenera kuwonetsa zomwe zikuchitika mwachangu kapena kwa osewera omwe amafuna kuchedwa kochepa kwambiri.
5. Kugwiritsa Ntchito Mphamvu ndi Kutalika Kwa Nthawi Yaitali
LCD:
Ma TV a LCD nthawi zambiri amakhala ndi mphamvu zambiri pazochitika zambiri, makamaka akamaonetsa zithunzi zowala. Chifukwa ma LCD amagwiritsa ntchito kuwala kwa kumbuyo komwe kumawunikira sikirini yonse, mosasamala kanthu za zomwe zikuwonetsedwa, nthawi zambiri amafunikira mphamvu zochepa kuti apange chithunzi chowala kuposa ma OLED.
OLED:
Ma OLED amatha kugwiritsa ntchito mphamvu zambiri powonetsa zithunzi zakuda, chifukwa ma pixel akuda kapena akuda amazimitsidwa kwathunthu. Komabe, powonetsa zithunzi zowala, kugwiritsa ntchito mphamvu kwa OLED kumatha kukhala kwakukulu. Kutalika kwa nthawi ya OLED kumakhudzidwanso ndi kuwotcha, komwe chithunzi chosasunthika chomwe chikuwonetsedwa kwa nthawi yayitali chingasiye chithunzi chokhazikika.
6. Kukhuthala ndi Kapangidwe
LCD:
Ma LCD nthawi zambiri amakhala ndi zigawo zambiri, kuphatikizapo zigawo za polarizing ndi magetsi akumbuyo. Izi zimapangitsa kuti mapangidwe a TV ya LCD azikhala okhuthala.
OLED:
Ubwino waukulu wa OLED ndi kuonda kwake. Popeza sikufuna kuwala kwakumbuyo ndipo pixel iliyonse ndi gwero la kuwala kwapadera, ma TV a OLED amatha kukhala opyapyala kwambiri, nthawi zambiri amakhala mamilimita ochepa chabe. Kapangidwe kawo kopyapyala kamapangitsa kuti azioneka okongola kwambiri paziwonetsero zomangika pakhoma kapena mapangidwe amakono amkati.
7. Mtengo
Kawirikawiri, ma TV a OLED amakhala okwera mtengo kuposa ma TV a LCD. Mtengo wokwera wa ma OLED ndi chifukwa cha ukadaulo wapamwamba komanso ndalama zambiri zopangira. Komabe, mitengo ya OLED yakhala ikutsika m'zaka zaposachedwa, pomwe ma LCD akadali otsika mtengo, makamaka kwa ma TV akuluakulu.
8. Kugwiritsa Ntchito ndi Kugwiritsa Ntchito
LCD:
Ma TV a LCD amagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana, kuyambira ma TV apakhomo mpaka ma monitor apakompyuta, chifukwa amatha kukhala ndi kuwala kwapamwamba komanso mitengo yotsika mtengo.
OLED:
OLED nthawi zambiri imafunidwa ndi anthu omwe akufuna chithunzi chapamwamba kwambiri. Imagwiritsidwa ntchito m'ma TV apamwamba, mafoni a m'manja, ndi zida zina zamagetsi komwe khalidwe la chithunzi ndilofunika kwambiri.
9. Mphamvu ya Chilengedwe
Kupanga ma LCD ndi ma OLED kumakhudza chilengedwe mosiyanasiyana. Zipangizo zomwe zimagwiritsidwa ntchito, njira zopangira, ndi zofunikira za mphamvu zonse zimakhudza mphamvu ya kaboni ya ukadaulo uwu. Kawirikawiri, chifukwa cha zovuta komanso zinthu zachilengedwe zomwe zimagwiritsidwa ntchito mu ma OLED, njira yawo yopangira imatha kukhala yosamalira chilengedwe, koma izi zimadalirabe zinthu zosiyanasiyana ndi machitidwe a opanga payekhapayekha.
Mapeto
LCD ndi OLED zonse zili ndi ubwino ndi kuipa kwake. Kusankha pakati pa ziwirizi kumadalira zosowa ndi zomwe munthu aliyense amakonda. Ngati kusiyana kwakukulu, mitundu yolondola, ndi ma angles owonera ambiri ndizofunikira kwambiri, ndiye kuti OLED ikhoza kukhala chisankho chabwino. Komabe, ngati kuwala kwakukulu ndi mtengo wotsika ndizofunika kwambiri, ndiye kuti LCD ikhoza kukhala yoyenera bwino. Ukadaulo ukusintha nthawi zonse, ndipo mtsogolomu, tingaone mipata pakati pa ziwirizi ikuchulukirachulukira ndi kupita patsogolo kwatsopano.
