Ukuqonda Isilinganiso Sokugqama Kwesikrini

Wake wazibuza ukuthi kungani ezinye izibonisi zibonakala zibukhali futhi zinempilo kuyilapho ezinye zibonakala ziyisicaba futhi zibuthuntu? Impendulo ivamise ukuba kusilinganiso sokungafani kwesikrini.

Kulesi sihloko, sizofaka zonke izici ezibalulekile zokuqhathanisa, okuhlanganisa incazelo yakho, umthelela wakho ekusebenzeni kwesibonisi, namathiphu okuthuthukisa.

Ake sihlole izici ezinomthelela kulabo abacebile abamnyama nabamhlophe abagqamile!

1. Ukuchaza Isilinganiso Sokugqama Kwesikrini

1.1 Yini I-Display Contrast Ratio?

Isilinganiso sokungafani simele umehluko phakathi kokumhlophe okugqamile nokumnyama kakhulu okungakhiqizwa isibonisi. Isilinganiso esiphezulu sokungafani sisho umehluko ocacile phakathi kwezifunda ezikhanyayo nezimnyama esikrinini.

Lokhu kungathuthukisa kakhulu ukucaca kwesithombe nemininingwane, kukwenze kube lula ukubona umehluko ocashile ezibukweni noma kumavidiyo.

Isibonelo, isibonisi esinesilinganiso sokugqama okuphezulu singakhiqiza okumnyama okujulile, okuyiqiniso eduze nokumhlophe okukhanyayo, okuholela esithombeni esigqamile nesifana nempilo. Ngokuphambene, isilinganiso esiphansi sokungafani singaholela ezithombeni ezibonakala zigezekile noma zingachazwanga kangako.

1.2 Imelelwa kanjani i-Contrast Ratio?

Isilinganiso sokungafani kwesikrini ngokuvamile sikhonjiswa njengesilinganiso, esifana no-1000:1 noma 3000:1. Lesi saziso sibonisa ukuthi okumhlophe okugqamile kugqama kangaki uma kuqhathaniswa nokumnyama kakhulu.

Isibonelo, isilinganiso esingu-1000:1 sisho ukuthi okumhlophe okugqame kakhulu kuqine ngokuphindwe ngo-1000 kunomnyama omnyama okhiqizwe yisibonisi. Isilinganiso esingu-3000:1 sibonisa umehluko omkhulu nakakhulu, okumhlophe kukhanya izikhathi ezingu-3000 kunomnyama.

Izilinganiso eziphakeme zokungafani ziholela ezithombeni ezicacile nezinemininingwane. Nokho, ukuzizwisa kokubuka komhlaba wangempela kungase futhi kuncike kwezinye izici, njengobuchwepheshe besikrini nezimo zokukhanya ezizungezile.

2. Umthelela Wesilinganiso Sokuqhathanisa Kwikhwalithi Yokuboniswa

2.1 Ukuthuthukisa Ukucaca Nemininingwane

Isilinganiso esiphezulu sokungafani sithuthukisa ukucaca nemininingwane yezithombe, ikakhulukazi ezigcawini ezimnyama. Izibonisi ezinokugqama okuphezulu zinganikeza okumnyama okujulile nokumhlophe okukhanyayo, kwenze imininingwane emithunzini nokugqama kugqame kakhudlwana.

Lokhu kubalulekile kokuqukethwe okufana namafilimu noma imidlalo yevidiyo, lapho ukucaca ezindaweni ezimnyama kubalulekile ukuze uthole okuhlangenwe nakho okujabulisayo. Ukuboniswa okunezilinganiso eziphansi zokuqhathanisa kunzima ukwethula imininingwane emihle ezindaweni ezinethunzi, ngokuvamile okuholela ezithombeni ezibonakala zifiphele noma ezimnyama ngokweqile. Ngokuphambene, izibonisi ezinezilinganiso eziphakeme zokungafani zembula ukwakheka nokujula okwengeziwe, okuthuthukisa ukusebenzelana kwababukeli.

2.2 Ukunemba Kombala kanye Nokudlidliza

Ukugqama kuphinde kube nomthelela ekucebile nokunemba kwemibala. Ukumelwa kombala okulungile kubalulekile kumthelela obonakalayo. Isilinganiso esiphezulu sokungafani sivumela umehluko ongcono phakathi kwamathunzi akhanyayo namnyama, okuholela emibaleni egqamile nengokoqobo.

Isibonelo, imibala egqamile njengokubomvu, okuluhlaza okwesibhakabhaka, nokuluhlaza izobukeka imangalisa kakhulu futhi ifana nempilo kuzibonisi ezinezilinganiso eziphakeme zokungafani.

2.3 Ukubuka Okuhlangenwe nakho Ezindaweni Ezihlukahlukene

Ezilungiselelweni ezikhanyiswe kahle, izibonisi ezinezilinganiso eziphakeme zokungafani zigcina ikhwalithi yokubukwa, okuvumela izibukeli ukuthi zibone imininingwane kuzo zombili izindawo ezikhanyayo nezimnyama. Ngokuphambene, izibonisi ezinokugqama okuphansi zingase zibe nzima ukubonisa imininingwane ecacile ezimeni ezikhanyayo.

Uma usendlini ekhanyiswe kalufifi, ukugqama okuphezulu kuqinisekisa ukuthi abamnyama bavela bamnyama ngempela, okuthuthukisa ukujula nokuba ngokoqobo kwesithombe.

3. Izinhlobo Zezilinganiso Zokuqhathanisa

3.1 Isilinganiso Sokuqhathanisa Okumile

Isilinganiso sokungafani esimile sikala umehluko phakathi kokumhlophe okugqamile nokumnyama kakhulu isiqapha esingaboniswa ngaphandle kokulungiswa. Ibonisa ikhwalithi yesithombe sangempela sesikrini futhi iyivelu engashintshi.

Isibonelo, isilinganiso esimile sokungafani sika-1000:1 sibonisa ukuthi okumhlophe okugqame kakhulu kukhanye izikhathi eziyi-1000 kunomnyama omnyama kakhulu. Amanani aphezulu abonisa ukusebenza okungcono ekuphatheni izindawo ezikhanyayo nezimnyama, okuholela emininingwaneni ecijile nokubonakala okucace kakhudlwana. Lolu hlobo lokungafani lulungele imisebenzi edinga ukucaciswa, njengokubuka amamuvi noma ukuhlela izithombe.

3.2 I-Dynamic Contrast Ratio

Izilinganiso zokungafani kwe-Dynamic zilungiswa ngokusekelwe kokuqukethwe okubonisiwe, ukushintsha ukukhanya nobumnyama ngesikhathi sangempela ukuze kudalwe umphumela omangalisayo. Isibonelo, imonitha ingase ikhulise ukukhanya phakathi nezigcawu ezikhanyayo futhi ikwehlise phakathi nezigcawu ezimnyama.

Nakuba lokhu kungathuthukisa ukukhanga okubonakalayo, akumeleli ngokunembile amakhono eqiniso omqaphi. Kafushane, izilinganiso zokungafani ezimile zibonisa ukusebenza kwangempela komqaphi, kuyilapho izilinganiso eziguqukayo zinikela ngokulungiswa okukhangayo.

4. Izinto Ezithonya Isilinganiso Sokuqhathanisa

Njengoba kushiwo ngaphambili, izilinganiso zokuqhathanisa zithinta kakhulu izithombe zesibonisi. Ukuze uzuze ukugqama okuphelele, kubalulekile ukuqonda izici eziwuthintayo.

4.1 Ubuchwepheshe Bokubonisa

Ubuchwepheshe besikrini obuhlukile buthonya izilinganiso zokungafani ngezindlela ezihlukahlukene. Ngokwesibonelo:

• Izibonisi ze-OLED: Ziletha ukugqama okukhethekile njengoba zingacisha amaphikseli ngamanye ngokuphelele, zikhiqize okumnyama kweqiniso.
• Ama-LCDs: Ivamise ukuba nezilinganiso eziphansi zokungafani ngenxa yokuthi zithembele kumalambu angemuva, okuholela kokumnyama okungase kubonakale mpunga kakhulu.

Uhlobo lobuchwepheshe bokubonisa luthinta kakhulu ukunotha kwezithombe ezimnyama nezimhlophe.

4.2 Amazinga Okukhanya

Kwandiswaukukhanya ingathuthukisa ukubukeka kwabamhlophe, kodwa uma isikrini singakwazi ukukhiqiza okumnyama okujulile, ukuhluka kukonke kusazoba sengozini. Ngokuphambene, uma isibonisi sifiphele kakhulu, kungase kube inselele ukubona umehluko, ngisho nokumnyama okujulile.

Amamonitha afanelekile afinyelela ibhalansi yokukhanya okuphezulu nokumnyama okucebile ngokugqama okuhle.

4.3 Ukukhanyisa kwe-Ambient

Indawo yokubuka nayo inomthelela obonakalayo wokugqama. Egunjini elinokukhanya okukhanyayo, izibonisi ezinokulinganisa okuphezulu kokungafani zigcina ukucaca, kuyilapho lezo ezinezilinganiso eziphansi zingase zibe nzima. Kuzilungiselelo ezimnyama, isilinganiso esiphezulu sokugqama sithuthukisa imininingwane yethunzi, sithuthukise umuzwa wokubuka usuwonke.

4.4 Ukulinganiswa kweskrini

Ukulinganisa okufanele kungathuthukisa ukunemba kokugqama. Izilungiselelo zasefekthri zingabangela ukuthi izibonisi zibonakale zikhanya ngokwedlulele noma zimnyama, okuthinta ukumelwa kokumnyama nokumhlophe. Ukulinganisa isikrini kuqinisekisa ukubuka okulingene kuzo zombili izindawo ezimnyama nezikhanyayo, okuholela ekuhlukeni okunembe kakhudlwana.

Sengiphetha, izici ezifana nohlobo lokuqapha, izilungiselelo zokukhanya, ukukhanya kwe-ambient, nokulinganisa okufanele kudlala indima ebalulekile ekunqumeni ukugqama kwesithombe nemininingwane.

5. Qhathanisa Izilinganiso Kubo Bonke Ubuchwepheshe Bokuboniswa Obuhlukile

5.1 I-LED Display Contrast Ratio

Izikrini ze-LED, ikakhulukazi lezo ezisebenzisa ukukhanya kwe-LED, ngokuvamile zinikeza izilinganiso ezinhle zokuqhathanisa, nakuba zingase zingafani nezibonisi ze-OLED. Isilinganiso sokungafani sezikrini ze-LED singahluka ngokusekelwe ezicini ezifana nohlobo lokukhanya kwangemuva kanye namandla okulawula ukukhanya ezindaweni ezimnyama. Ngokuvamile, izikrini ze-LED zifaka izilinganiso zokungafani ezisuka ku-1000:1 kuye ku-5000:1 futhi zingase zingafinyeleli okumnyama okujulile kwe-OLED ngenxa yokungakwazi ukuvala amaphikseli ngamanye.

Izikrini ze-LED ze-high-end full-array local dimming (FALD) zingafinyelela umehluko othuthukisiwe ngokufiphalisa noma ukuvala izigaba zokukhanya kwangemuva ezigcawini ezimnyama.

5.2 I-LCD Screen Contrast

Izikrini ze-LCD ngokuvamile zibonisa izilinganiso eziphansi zokuqhathanisa uma ziqhathaniswaI-OLED kanye ne-LED ngenxa yokuthembela ekukhanyeni okungemuva njalo. Ngenxa yalokho, okumnyama kuvame ukuvela njengokumpunga okumnyama, okukhawulela umehluko. Izikrini ze-LCD ezijwayelekile zinezilinganiso zokungafani ezisuka ku-800:1 kuye ku-1500:1, nakuba intuthuko kubuchwepheshe be-IPS (In-Plane Switching) ithuthukise ukugqama nokunemba kombala.

Naphezu kwalokhu kuthuthukiswa, izilinganiso zokungafani ze-LCD zisasilela kuzibonisi ze-OLED.

5.3 I-OLED Screen Contrast

Izibonisi ze-OLED (Organic Light Emitting Diode) zinikeza izilinganiso eziphakeme kakhulu zokungafani phakathi kobuchwepheshe besimanje. Ngokungafani ne-LED noma i-LCD, izikrini ze-OLED azincikile ekukhanyeni emuva; iphikseli ngalinye likhipha ukukhanya kwalo, livumela ukuvala shaqa okuphelele kwephikseli kwabamnyama bangempela. Lokhu kuphumela emazingeni okungafani angapheli, okwenza ama-OLED afanelekele ukubuka ama-movie, amageyimu, nanoma yisiphi isimo esidinga okumnyama okujulile nemibala egqamile.

6. Ukuthuthukisa Izilinganiso Zokuqhathanisa Isibonisi Se-LED

Ukuthuthukisa isilinganiso sokungafani sezibonisi ze-LED kungaholela ekuthuthukisweni okubalulekile kwekhwalithi yesithombe, kunikeze ukubukeka okucijile, imibala ecebile, nokumnyama okujulile. Nawa amasu athile:

6.1 Tshala imali Kumamojula e-LED Asezingeni

Khetha amamojula e-LED anobuchwepheshe obuthuthukisiwe njengokuphakama kwephikseli encane nobubanzi obuguquguqukayo obuphezulu (i-HDR) ukuze uthuthukise ikhono lesibonisi lokukhiqiza okumnyama okujulile nokumhlophe okugqamile.

6.2 Thuthukisa Ukulungiswa Kokukhanya

Ukulinganisa izilungiselelo zokukhanya kungathuthukisa ukugqama okubonakalayo. Qinisekisa ukuthi amazinga okukhanya anele kwabamhlophe abagqamile ngaphandle kokugeza izindawo ezimnyama. Ukulungiswa kokukhanya okuzenzakalelayo kungaba yinzuzo ngokusekelwe ezimeni zokukhanya ezizungezile.

6.3Thuthukisa Amazinga Amnyama

Ukunciphisa ukuvuza kokukhanya kubalulekile ukuze kuzuzwe abamnyama abajulile. Sebenzisa ubuchwepheshe obufana nokufiphalisa kwendawo okugcwele noma okukhethekile kumamojula we-LED ukuze ukhawulele ukukhanya okungafuneki.

6.4 Thuthukisa Ukulinganiswa

Ukulinganisa izikrini ze-LED kungathuthukisa izilinganiso zokungafani. Lungisa i-gamma, ukukhanya, namazinga ombala ukuze uqinisekise ukumelwa okulingene kwezindawo ezikhanyayo nezimnyama. Amathuluzi okulinganisa ochwepheshe noma isofthiwe ingasiza ukulungisa okunembile.

6.5 Sebenzisa ama-Anti-reflective Coatings

Ukuboniswa kokukhanya kwe-ambient kunganciphisa ukugqama okubonakalayo, ikakhulukazi kuzilungiselelo ezikhanyayo. Ukusebenzisa ama-anti-reflective coatings esikrinini kunganciphisa ukuxhopha futhi kuthuthukise ukubonakala, kwenze ukugqama kugqame kakhulu.

6.6 Yamukela Ubuchwepheshe Bokucubungula Okuthuthukile

Izibonisi zesimanje ze-LED ezifakwe i-HDR noma ubuchwepheshe bokuthuthukisa ukugqama okuguquguqukayo zisebenzisa ukucubungula izithombe okuyinkimbinkimbi ukuze kuthuthukiswe ukugqama ngesikhathi sangempela, okuholela ekubukeni okucace kakhudlwana.

Isiphetho

Manje njengoba usuhlonyiswe ngolwazi mayelana nezilinganiso zokuqhathanisa, ungajabulela indima yabo ebalulekile kubuchwepheshe bokubonisa. Amathiphu abiwe angathuthukisa kakhulu ukusebenza futhi kufanele acatshangelwe lapho kukhethwa isibonisi.

Ngokuzayo uma uzithola ukhangwa isikrini esihlaba umxhwele, thatha isikhashana ukubona ukubaluleka kwezilinganiso zokungafani. Yizona eziguqula isibonisi esihle sibe esimangalisayo!