Da farko, muna bukatar mu fahimci abin da yake "ruwa ripple" a kan nuni? Sunan kimiyya kuma ana kiransa da: "Moore pattern". Lokacin da muka yi amfani da kyamarar dijital don harba wani wuri, idan akwai nau'i mai yawa, raƙuman ruwa marasa ma'ana suna bayyana sau da yawa. Wannan shi ne moire. A taƙaice, moiré wata alama ce ta ƙa'idar bugawa. A lissafi, lokacin da raƙuman ruwa guda biyu daidai-da-ƙasa-gir-gir tare da mitoci na kusa suka mamaye, girman siginar da zai haifar zai bambanta gwargwadon bambancin mitoci biyu.
Me yasa ripples ke bayyana?
1. LED nuni ya kasu kashi biyu iri: high-refresh da al'ada-refresh. Babban nunin ƙimar wartsakewa zai iya kaiwa 3840Hz/s, kuma adadin sabuntawa na yau da kullun shine 1920Hz/s. Lokacin kunna bidiyo da hotuna, babban allo mai wartsakewa da sabuntawa na yau da kullun kusan ba za a iya bambanta su da ido tsirara ba, amma ana iya bambanta su ta hanyar wayar hannu da kyamarori masu mahimmanci.
2. LED allon tare da na yau da kullum refresh kudi zai zama da bayyanannun ruwa ripples a lokacin da daukar hoto da wayar hannu, kuma allon kama flickering, yayin da allon da high refresh kudi ba zai sami ruwa ripples.
3. Idan buƙatun ba su da girma ko kuma babu buƙatar harbi, za ku iya amfani da allo na farfadowa na yau da kullum, bambanci tsakanin idanu tsirara ba babba ba ne, sakamakon yana da kyau, kuma farashin yana da araha. Farashin babban adadin wartsakewa da ƙimar wartsakewa na yau da kullun ya bambanta sosai, kuma takamaiman zaɓi ya dogara da bukatun abokin ciniki da kasafin kuɗi.
Fa'idodin zabar nunin nunin ƙimar wartsakewar LED
1. Yawan wartsakewa shine saurin da aka sabunta allon. Yawan wartsakewa ya fi sau 3840 a cikin daƙiƙa guda, wanda muke kira babban refresh;
2. High refresh rate ba sauki bayyana smear sabon abu;
3. Tasirin hoto na wayar hannu ko kyamara na iya rage al'amuran ripples na ruwa, kuma yana da santsi kamar madubi;
4. Rubutun hoto yana bayyane kuma mai laushi, launi yana da haske, kuma matakin raguwa yana da girma;
5. Babban nunin ƙimar farfadowa ya fi dacewa da ido kuma ya fi dacewa;
Ficewa da jittering na iya haifar da zub da jini, kuma tsayin kallo na iya haifar da ciwon ido. Mafi girman adadin wartsakewa, ƙarancin lalacewa ga idanu;
6. Ana amfani da nunin nunin LED mai girma a cikin dakunan taro, wuraren ba da umarni, dakunan baje kolin, birane masu kyau, wuraren shakatawa, gidajen tarihi, sojoji, asibitoci, wuraren motsa jiki, otal-otal da sauran wurare don nuna mahimmancin ayyukansu.
Lokacin aikawa: Satumba 14-2022