I-QLED vs. UHD: I-Ultimate Comparison

Inqubekelaphambili yobuchwepheshe ilethe ubuchwepheshe obuhlukahlukene bokuboniswa, futhi i-QLED ne-UHD ziphakathi kwabameleli. Yiziphi izici zabo eziyingqayizivele? Lesi sihloko sizoxoxa ngokujulile ngezimiso zobuchwepheshe, izici nezimo zokusetshenziswa kwe-QLED vs. UHD. Ngokuqhathanisa okuningiliziwe nokuhumusha, kuzokusiza ukuthi uqonde kangcono lobu buchwepheshe bokuboniswa okuthuthukisiwe okubili.

1. Yini i-QLED?

I-QLED (i-Quantum Dot Light Emitting Diodes) yenziwe ngamachashazi e-quantum aqanjwe isazi sefiziksi u-Mark Reed wase-Yale University. Ngokuqondile, kubhekiselwa kuma-nanocrystals we-semiconductor amancane kakhulu angabonakali ngeso lenyama. I-QLED ubuchwepheshe bokubonisa obusekelwe kubuchwepheshe be-quantum dot. Ngokungeza ungqimba lwezinto zamachashazi e-quantum phakathi kwemojuli yesibani sangemuva nemojula yesithombe yesibonisi se-LED, ingathuthukisa ukuhlanzeka kombala kwesibani sangemuva, yenze imibala ebonisiwe icace kakhudlwana futhi ithambile. Ngesikhathi esifanayo, inokukhanya okuphezulu nokugqama, ihlinzeka ababukeli ngolwazi olungcono lokubukwayo.

2. Iyini i-UHD?

Igama eligcwele le-UHD lithi I-Ultra High Definition. I-UHD ubuchwepheshe besizukulwane esilandelayo se-HD (Incazelo Ephezulu) ne-Full HD (Incazelo Ephezulu Egcwele). Ngokuvamile ibhekisela kufomethi yokubonisa ividiyo enesinqumo esingu-3840×2160 (4K) noma 7680×4320 (8K). Uma siqhathanisa i-HD (High Definition) nekhwalithi yesithombe se-movie evamile, i-FHD (Incazelo Ephezulu Egcwele) ifana nenguqulo ethuthukisiwe yamamuvi anencazelo ephezulu. Bese i-UHD ifana nekhwalithi yesithombe sefilimu enencazelo ephezulu ephindwe kane kune-FHD. Kufana nokukhulisa isithombe esinencazelo ephezulu siphindwe kane ngobukhulu baso futhi sigcine ikhwalithi yesithombe ecacile nethambile. Umnyombo we-UHD uwukunikeza abasebenzisi imiphumela ecacile nethambile yesithombe nevidiyo ngokwandisa inani lamaphikseli nokulungiswa.

3. I-UHD vs QLED: Yikuphi Okungcono?

3.1 Mayelana nomphumela wokubonisa

3.1.1 Ukusebenza kombala

I-QLED: Inokusebenza kombala okuhle kakhulu. Amachashazi e-Quantum angakhipha ukukhanya ngobumsulwa obuphakeme kakhulu futhi afinyelele ukumbozwa kwe-gamut enemibala ephezulu. Ngokombono, ingafinyelela ku-140% we-NTSC color gamut, ephakeme kakhulu kunobuchwepheshe bokuboniswa kwe-LCD bendabuko. Ngaphezu kwalokho, ukunemba kombala nakho kuphezulu kakhulu, futhi kungaveza imibala egqamile futhi engokoqobo.

I-UHD: Yona ngokwayo, iyindinganiso yokuxazulula kuphela, futhi ukuthuthukiswa kombala akusona isici sayo esiyinhloko. Nokho, amadivayisi abonisayo asekela ukulungiswa kwe-UHD ngokuvamile ahlanganisa ubuchwepheshe obuthile obuthuthukisiwe bemibala, obufana ne-HDR (I-High Dynamic Range), ukuze kuthuthukiswe ukuvezwa kombala, kodwa uma sikhuluma nje, ububanzi bayo be-gamut bombala ayikalungi njengaleyo ye-QLED.

3.1.2 Qhathanisa

I-QLED: Iyafana neI-OLED, i-QLED isebenza kahle kakhulu ngokuqhathanisa. Ngoba ingakwazi ukufeza ukushintsha kwamaphikseli ngamanye ngokulawula okunembile. Uma ubonisa umnyama, amaphikseli angavalwa ngokuphelele, aveze umnyama ojulile, enze umehluko obukhali nezingxenye ezigqamile futhi enze isithombe sibe nomuzwa onamandla wokwendlaleka kanye nobukhulu obuthathu.

I-UHD: Ngokombono wokuxazulula iyodwa, i-UHD yokulungiswa okuphezulu ingenza imininingwane yesithombe icace futhi ngokwezinga elithile futhi isize ukuthuthukisa umbono wokugqama. Kodwa lokhu kuncike kudivayisi ethile yokubonisa kanye nobuchwepheshe. Amanye amadivaysi e-UHD ajwayelekile angase angasebenzi ngendlela evelele ngokungafani, kuyilapho amadivayisi e-UHD asezingeni eliphezulu angaba nokusebenza okungcono kuphela ngemva kokuhlonyiswa ngobuchwepheshe obufanele bokuthuthukisa ukugqama.

3.2 Ukusebenza okugqamile

I-QLED: Ingafinyelela izinga eliphezulu lokukhanya. Ngemuva kokujabuliswa, okokusebenza kwamachashazi e-quantum kungakhipha ukukhanya okuqinile, okwenza amadivayisi wokubonisa we-QLED asagcine imiphumela emihle yokubuka ezindaweni ezigqamile. Futhi uma ubonisa izigcawu ezikhanyayo, ingaphrezenta isithombe esihle kakhulu.

I-UHD: Ukusebenza kokukhanya kuyehluka kuye ngedivayisi ethile. Amanye ama-TV e-UHD angase abe nokukhanya okuphezulu kakhulu, kodwa amanye amadivayisi anokukhanya okumaphakathi kokusebenza. Kodwa-ke, isici sokucaca okuphezulu senza izibonisi ze-UHD zibonise imininingwane eyengeziwe kanye nesendlalelo lapho kukhombisa izigcawu zokukhanya okuphezulu.

3.3 I-engeli yokubuka

I-QLED: Inokusebenza okuhle ngokwe-engeli yokubuka. Nakuba ingase ibe ngaphansi kancane ku-OLED, isengakwazi ukugcina umbala omuhle nokugqama phakathi kwebanga lokubuka elikhulu. Izibukeli zingabuka isikrini ngama-engeli ahlukene futhi zithole ukuzizwisa okubonakalayo okwanelisa uma kuqhathaniswa.

I-UHD: I-engeli yokubuka nayo incike kubuchwepheshe bokubonisa obuthile kanye nedivayisi. Amanye amadivaysi e-UHD asebenzisa ubuchwepheshe bephaneli ethuthukisiwe ane-engeli yokubuka ebanzi, kodwa amanye amadivayisi azoba nezinkinga ezifana nokuhlanekezela kombala nokuncipha kokukhanya ngemva kokuchezuka engeli yokubuka emaphakathi.

3.4 Ukusetshenziswa kwamandla

I-QLED: Ukusetshenziswa kwamandla kuphansi kakhulu. Ngenxa yokusebenza kahle okuphezulu kokukhanya kwezinto zamachashazi e-quantum, i-voltage ephansi yokushayela iyadingeka ngokukhanya okufanayo. Ngakho-ke, uma kuqhathaniswa nobunye ubuchwepheshe bokuboniswa kwendabuko obufana ne-LCD, i-QLED ingonga inani elithile lamandla.

I-UHD: Izinga lokusetshenziswa kwamandla liyahlukahluka kuye ngobuchwepheshe bokubonisa obuthile kanye nedivayisi. Uma kuyidivayisi ye-UHD esekelwe kubuchwepheshe be-LCD, njengoba idinga ukukhanya okungemuva ukuze ikhanyise isikrini, ukusetshenziswa kwamandla kuphezulu uma kuqhathaniswa. Uma kuyidivayisi ye-UHD esebenzisa ubuchwepheshe obuzikhanyisayo, njengenguqulo ye-UHD ye-OLED noma ye-QLED, ukusetshenziswa kwamandla kuphansi kakhulu.

3.5 Intengo

I-QLED: Njengobuchwepheshe bokuboniswa obuthuthuke kakhulu, njengamanje intengo yamadivayisi e-QLED iphezulu kakhulu. Ikakhulukazi izikrini eziphezulu ze-QLED nama-TV angase abize kakhulu kunama-LCD TV ajwayelekile kanye nezikrini zokubonisa ze-LED.

I-UHD: Izintengo zamadivayisi e-UHD ziyahlukahluka kakhulu. Ezinye izibonisi zesikrini se-UHD zezinga lokungena ziyathengeka uma kuqhathaniswa, kuyilapho izibonisi ze-UHD ezisezingeni eliphezulu, ikakhulukazi lezo ezinobuchwepheshe obuthuthukile namaphaneli ekhwalithi ephezulu, nazo zizobiza kakhulu. Kodwa ngokuvamile, ubuchwepheshe be-UHD sebuvuthiwe, futhi intengo ihluke kakhulu futhi inokuncintisana uma iqhathaniswa ne-QLED.

4. Yiziphi izimo zohlelo lokusebenza lwe-UHD ne-QLED?

Isiteji sangaphandle

Ngobaisikrini se-LED sesiteji, i-QLED iba yisinqumo sokuqala. Ukulungiswa okuphezulu kwe-QLED kwenza izethameli zibone ngokucacile imininingwane yokusebenza zisekude. Ukukhanya kwayo okuphezulu kungavumelana nezinguquko zokukhanya kwangaphandle. Kungakhathaliseki ukuthi kusemini enamandla noma ebusuku, ingaqinisekisa isithombe esicacile. Futhi ingabonisa kahle okuqukethwe okuhlukile kokusebenza kwesiteji njengokusakazwa bukhoma, iziqeshana zevidiyo, nolwazi lombhalo.

Indoor Exhibition

Izindawo zasendlini zinezidingo eziphakeme zokunemba kombala nekhwalithi yesithombe. I-QLED inekhono elihle kakhulu lokusebenza kombala. I-gamut yombala wayo ibanzi futhi ingabuyisela ngokunembile imibala ehlukahlukene. Kungakhathaliseki ukuthi ibonisa izithombe ezinokulungiswa okuphezulu, amavidiyo, noma okuqukethwe kwehhovisi kwansuku zonke, inganikeza izithombe ezinothile nezicacile. Isibonelo, uma ubonisa izithombe ezinencazelo ephezulu yemisebenzi yobuciko ehholo lombukiso lasendlini, i-QLED ingathula ngempela imibala yemidwebo, yenze izethameli zizwe sengathi zibona owangempela. Ngesikhathi esifanayo, ukusebenza okuhle kakhulu kokugqama kwe-QLED kungabonisa ngokucacile imininingwane ekhanyayo nemnyama yesithombe endaweni yokukhanya yasendlini, kwenze isithombe sifakwe izendlalelo eziningi. Ngaphezu kwalokho, i-engeli yokubuka ye-QLED ezindaweni zasendlini ingahlangabezana nezidingo zabantu abaningi ababukele ngaphandle kokushintsha kombala noma ukuncipha okuphawulekayo kokukhanya uma ibukwa eceleni.

Inkundla yokudlala

Izithombe zegeyimu zicebile ngemininingwane, ikakhulukazi emidlalweni emikhulu ye-3D nemidlalo yomhlaba ovulekile. Ukulungiswa okuphezulu kwe-UHD kuvumela abadlali ukuthi babone imininingwane emincane emidlalweni, efana nokuthungwa kwemephu nemininingwane yempahla yabalingiswa. Ngaphezu kwalokho, ama-consoles amaningi wegeyimu namakhadi ezithombe e-PC manje asekela okukhiphayo kwe-UHD, okungasebenzisa ngokugcwele izinzuzo zokuboniswa kwe-UHD futhi kwenze abadlali bacwiliswe kangcono emhlabeni wegeyimu.

I-Office Meeting Scene

Emihlanganweni yamahhovisi, kugxilwa ekuboniseni amadokhumenti acacile nanembile, amashadi edatha, nokunye okuqukethwe. Ukulungiswa okuphezulu kwe-UHD kungaqinisekisa ukuthi umbhalo kuma-PPT, idatha kumathebula, namashadi ahlukahlukene angethulwa ngokucacile, kugwenywe ukufiphala noma ukungaqondakali okubangelwa ukulungiswa okunganele. Ngisho noma kubukwa eduze kwetafula elincane lenkomfa, okuqukethwe kungahlukaniseka ngokucacile.

Umcimbi Wezemidlalo

Izithombe zemicimbi yezemidlalo zishintsha ngokushesha futhi zicebile ngemibala, njengombala wotshani enkundleni yokudlala kanye nemibala yeyunifomu yeqembu yabasubathi. Ukusebenza kombala okuhle kakhulu kwe-QLED kungenza izethameli zizwe imibala yangempela futhi egqamile. Ngesikhathi esifanayo, ukukhanya kwayo okuphezulu nokugqama okuphezulu kungenza abasubathi abagijimayo namabhola agqame kakhudlwana, okubonisa imiphumela emihle yokubuka ezithombeni eziguquguqukayo nokuqinisekisa ukuthi izethameli aziphuthelwa izikhathi ezijabulisayo.

5. Isiphetho

Ngemva kokuhlola izici nokusetshenziswa kwe-QLED ne-UHD, kuyacaca ukuthi kokubili ubuchwepheshe bokubonisa bunikeza izinzuzo ezihlukile. I-QLED ihlaba umxhwele ngokusebenza kwayo kombala okuvelele, ukugqama okuphezulu, nokufaneleka kwezindawo zasendlini lapho okubonakalayo okucacile kubalulekile. Ngakolunye uhlangothi, i-UHD ikhanya emicimbini yangaphandle nasezimeni zasesiteji ngokulungiswa kwayo okuphezulu nokukhanya, iqinisekisa ukubonakala okucacile ngisho nalapho ukude kanye nezimo zokukhanya ezihlukahlukene. Lapho ukhetha ubuchwepheshe bokubonisa, kubalulekile ukucabangela izidingo ezithile kanye nezimo zokusebenzisa.

Uma uthanda imibukiso futhi ufuna isixazululo esifanele sezidingo zakho, ungangabaziXhumana nathi. I-RTLEDzilapha ukuze zikusize wenze isinqumo esinolwazi futhi uthole ubuchwepheshe bokubonisa obuphelele bezidingo zakho.

6. Imibuzo Evame Ukubuzwa mayelana ne-QLED ne-UHD

1. Ingabe ichashazi le-quantum le-QLED liyafiphala ngokuhamba kwesikhathi?

Imvamisa, amachashazi e-quantum e-QLED azinzile futhi awabuni kalula. Kodwa ezimeni ezimbi kakhulu (izinga lokushisa eliphezulu/umswakama/ukukhanya okuqinile), kungase kube nomthelela othile. Abakhiqizi bayathuthuka ukuze bathuthukise ukuzinza.

2. Yimiphi imithombo yevidiyo edingekayo ukuze uthole ukulungiswa okuphezulu kwe-UHD?

Imithombo yekhwalithi ephezulu ye-4K+ namafomethi afana ne-H.265/HEVC. Umkhawulokudonsa wokudlulisa owanele uyadingeka.

3. Kuqinisekiswa kanjani ukunemba kombala kwesibonisi se-QLED?

Ngokulawula usayizi/ukwakheka kwechashazi le-quantum. Izinhlelo ezithuthukisiwe zokuphatha imibala kanye nokulungiswa komsebenzisi nakho kuyasiza.

4. Yiziphi izinkambu abaqaphi be-UHD abalungele kuzo?

Idizayini yezithombe, ukuhlela ividiyo, ukuthwebula izithombe, ezokwelashwa, i-aerospace. Ama-res aphezulu nemibala enembile iyasiza.

5. Izitayela zesikhathi esizayo ze-QLED ne-UHD?

I-QLED: amachashazi angcono we-quantum, izindleko eziphansi, izici eziningi. I-UHD: ama-res aphezulu (8K+), ahlanganiswe ne-HDR/color gamut. Isetshenziswa ku-VR/AR.