Zaɓin tazarar nunin LED yana da alaƙa da abubuwa biyu:
Na farko, nisan kallo na nunin LED
A ina aka sanya allon nuni, da kuma nisan da mutane ke tsayawa don kallonsa, wani muhimmin al'amari ne na tantance matakin digo yayin zabar allon nunin LED.
Gabaɗaya, akwai dabara don ingantacciyar nisa kallo = dige-dige / (0.3 ~ 0.8), wanda shine madaidaicin kewayo.Misali, don nuni tare da farar pixel na 16mm, mafi kyawun nisan kallo shine mita 20 ~ 54.Idan nisan tashar ya fi kusa da mafi ƙarancin nisa, zaku iya bambanta pixels na allon nuni.Hatsi ya fi ƙarfi, kuma kuna iya tsayawa nesa.Yanzu, idon ɗan adam ba zai iya bambanta fasali na cikakkun bayanai ba.(Muna nufin hangen nesa na yau da kullun, ban da myopia da hyperopia).A gaskiya ma, wannan ma wani m adadi ne.
Don nunin nunin LED na waje, ana amfani da P10 ko P12 gabaɗaya don ɗan gajeren nesa, P16 ko P20 don masu nisa, da P4 ~ P6 don allon nuni na cikin gida, da P7.62 ko P10 don mafi nisa.
Na biyu, jimlar adadin pixels na nunin LED
Don bidiyo, ainihin tsarin shine VCD tare da ƙuduri na 352288, kuma tsarin DVD shine 768576. Saboda haka, don allon bidiyo, muna bada shawarar cewa ƙananan ƙuduri ba kasa da 352 * 288 ba, don haka tasirin nuni yana da kyau.Idan yana ƙasa, ana iya nunawa, amma ba zai sami sakamako mai kyau ba.
Don nunin LED masu launi guda ɗaya da biyu waɗanda galibi suna nuna rubutu da hotuna, buƙatun ƙuduri ba su da girma.Dangane da ainihin girman, ana iya ƙididdige ƙaramin nuni na font na 9 gwargwadon girman rubutun ku.
Sabili da haka, gabaɗaya zaɓi nunin LED, ƙarami matakin ɗigo, mafi kyau, mafi girman ƙudurin zai kasance, kuma nunin zai bayyana.Koyaya, abubuwa kamar farashi, buƙata, da iyakokin aikace-aikacen dole ne a yi la'akari da su gabaɗaya.
Lokacin aikawa: Feb-10-2022
