Zaɓin LCD LED TV shine mafita wanda zai šauki tsawon shekaru, don haka ya kamata ku kula da sigoginsa kafin siyan. Abin ban mamaki, girman girman allo da
ƙudurin 4K ba koyaushe yana ba da garantin mafi girman ingancin hoto ba. A cikin wannan post, za mu bayyana bambanci tsakanin Edge LED da Direct LED fasahar.
- Matrix backlight iri a LCD LED TVs
- LED Direct – Matrix LED dimming na gida don TV
- Fa’idodi da rashin amfani na hasken kai tsaye
- 3 TV na zamani tare da LED Direct
- Samsung UE55TU7097U
- Sony KD-55X81J
- Xiaomi Mi TV P1
- Edge LED – abin da yake da shi?
- Abũbuwan amfãni da rashin amfani na gefen hasken wuta
- Edge LED TVs
- Saukewa: LG32LM558BPLC
- Saukewa: UE32N4010AUX
Matrix backlight iri a LCD LED TVs
Tun daga ƙarshen 1990s, nunin LCD sun fara maye gurbin allon CRT, gaba ɗaya yana fitar da su daga kasuwa. Me za mu iya cewa game da su bayan fiye da shekaru ashirin da zama a gidajenmu? LCD TVs da masu saka idanu ba sa rasa shahara kuma har yanzu suna kan saman. Babu allon plasma, ko na zamani na zamani OLED bai wuce su ba. https://cxcvb.com/texnika/televizor/texnology/amoled-ili-ips-chto-luchshe.html A tsawon shekaru, kawai nau’in hasken matrix ya canza. A baya can, ana amfani da fitilun cathode fluorescent fitilu (CCFL) don haskaka shi, a yau ana amfani da diodes masu haske masu inganci (LED) da yawa. Duba ta hanyar tayin kantunan kan layi, tabbas zaku ci karo da kalmar LED TV. Ka tuna cewa wannan kawai LED backlit LCD TV ne kuma ba shi da alaƙa da fasahar OLED.
- Direct LED – diodes ana sanya su a ƙarƙashin matrix kuma suna ci gaba da kasancewa a duk lokacin aikin TV. Game da hasken baya kai tsaye, masana’antun sukan yi amfani da abin da aka sani da dimming na gida don cimma zurfin baƙar fata.
- Edge LED – Ana sanya LEDs tare da gefuna na matrix. Wannan mafita ce ta ceton wuta, amma kamar yadda zaku gani daga baya, yana haifar da rashin daidaituwar hasken allo.
Wurin LEDs yana da tasiri mai mahimmanci akan ingancin hoto. A cikin sauran labarin, za mu yi kokarin tattauna kowane daga cikin wadannan fasaha daki-daki da kuma samun amsar tambaya na Edge LED ko Direct LED.
LED Direct – Matrix LED dimming na gida don TV
Dimming LED kai tsaye fasaha ce ta ci gaba wacce ke ba da baƙar fata mai zurfi. Ta hanyar amfani da kula da hasken baya, hoton yana samun ingancin da ba ya samuwa akan talabijin na DLED na al’ada. Ana samun bambanci mafi girma. Wuraren haske suna dushewa da kansu, suna barin wurare masu haske a bayyane. Wannan babban madadin ga waɗanda ke neman LED TV amma ba sa so su jure rashin amfanin Direct ko Edge. A cikin ƙayyadaddun TV, sau da yawa zaka iya samun kalmar Full Array Local Dimming (Samsung yana amfani da kalmar Direct Full Array), wannan ba komai bane illa hasken baya kai tsaye tare da yankuna. Ana shigar da su a cikin matsakaici da manyan talabijin. A cikin mafi tsada model, za ka sami har zuwa 1000 zones, a cikin mafi rahusa, yawanci kawai 50-60.
Fa’idodi da rashin amfani na hasken kai tsaye
Hasken baya na DLED na al’ada yana da rashin amfani da yawa ban da hasken matrix. Talabijan da ke da fasahar LED kai tsaye suna da matsala da baƙar fata, wanda a kan allon su sau da yawa yana ɗaukar inuwar launin toka. Duk da haka, Direct LED ba shi da kyau sosai idan an haɗa shi da dimming na gida. Yana kawar da mafi yawan gazawar fasaha na asali. Hotunan sun kasance masu haske da ƙwanƙwasa, yayin da inuwa ke ɗaukar zurfi.
3 TV na zamani tare da LED Direct
Samsung UE55TU7097U
Wannan 55″ 4K LED TV ne wanda ke goyan bayan HDR10+ da HLG. Samfurin yana sanye da kayan aikin Crystal 4K, yana ba da ingancin hoto da launuka na halitta. Tsarin Inganta Wasan yana da amfani ga yan wasa, yana ba da garantin ƙarancin shigar da ƙara. UE55TU7097U kuma yana da cikakken kewayon masu kunnawa, kuma na’ura mai sarrafa ayyuka da yawa yana sauƙaƙa sarrafa TV ɗin ku da na’urorin da aka haɗa, yayin da Tizen System 5.5 yana ba ku damar samun dama ga fa’idodin TV mai wayo. Girman TV tare da tsayawa: 1231x778x250 mm.
Sony KD-55X81J
Wannan samfurin 55-inch sanye take da firikwensin 4K tare da ƙimar wartsakewa na 120 Hz, wanda ke ba da garantin babban santsi. Har ila yau, masana’anta sun kula da ingancinta ta hanyar samar da kayan aikin HDR10 +, Dolby Vision da HLG, da kuma HCX Pro AI processor, wanda, godiya ga basirar wucin gadi, za ta inganta hoton ta atomatik don cimma sakamako mafi kyau. Girman TV tare da tsayawa: 1243x787x338 mm.
Xiaomi Mi TV P1
Wannan na’ura ce ta zamani tare da allon LED kai tsaye mai girman inch 32 da ƙimar wartsakewa na 60 Hz. Fasahar matrix da aka yi amfani da ita a nan tana ba da tabbacin ingancin hoto mai ban mamaki da wadatar launi, gami da ƙarin baƙar fata. Girman TV tare da tsayawa: 733x479x180 mm.LED Direct ko Edge LED, wanne hasken baya don zaɓar da wanda za a ƙi: https://youtu.be/P0CCeS9R6yU
Edge LED – abin da yake da shi?
A cikin TV tare da fasahar Edge LED, ana sanya diodes masu haske na baya kawai a gefuna na matrix (a cikin ƙira mai rahusa, wannan na iya zama gefuna ɗaya ko biyu kawai). Domin hasken LEDs ya isa mafi nisa, ana buƙatar tsarin LGP don yaɗa shi. Fuskokin LED na Backlit Edge suna da bakin ciki amma suna da matsala tare da haske iri ɗaya. Jeri ɗaya na LEDs bai isa ba don kyakkyawan haske na duk abubuwan da ke cikin nunin, har ma da ƙirar musamman ba ta taimaka sosai a nan. Yawanci, hoton zai yi haske a gefuna fiye da a tsakiya. A lokaci guda kuma, wuraren baƙar fata ba za su zama duhu kamar yadda ya kamata ba. Koyaya, Edge LED TVs suna da mafi kyawun rabo fiye da TVs na baya na yau da kullun.
Abũbuwan amfãni da rashin amfani na gefen hasken wuta
Saboda ƙarancin adadin LEDs, Edge LED TVs suna da arha don aiki. Suna burge tare da slimness na allon, wanda yayi kyau a cikin ciki. Edge LED yana iyakance lokacin da yazo ga haifuwar launi na halitta. Don yin muni, Edge LED ba shine zaɓi mafi arha ba saboda fasahar tana buƙatar ƙaƙƙarfan tsarin rarraba LGP.
Edge LED TVs
Saukewa: LG32LM558BPLC
Fasahar Edge LED, HDR10+ da Quantum HDR da aka yi amfani da su anan suna ba da tabbacin ingancin hoton, yayin da Dolby Digital Plus ke ba da tsarin sauti mai kewaye kuma yana ba ku damar daidaita shi zuwa abubuwan da kuke kallo. Girman TV tare da tsayawa: 729x475x183 mm.
Saukewa: UE32N4010AUX
Wannan 32-inch HD matrix TV, wanda ya dace da ɗakin kwana ko ɗakin yara. Yanayin Tsabtace Tsabtace na Dijital da ake amfani da shi a nan yana ba da launuka na halitta, yayin da yanayin Fim ke daidaita saitunan hoto don sa kallon fina-finai ya fi daɗi. Girman TV tare da tsayawa: 737x465x151 mm.