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Pixel pitch 點間距

The centre-to-centre distance between LED pixels on a video wall panel, in millimetres — P2.6, P3.9, P4.8 and so on. A smaller pitch packs more pixels into the same panel area and holds up at closer viewing distance, at a real cost in price, weight and power draw. The right pitch is set by minimum viewing distance, not by "smaller is always better."

中文

LED 顯示屏相鄰像素中心到中心的距離，單位為毫米。數字越小、解析度越高，最短可視距離也越近。

Sources

• About pixel pitch and viewing distance for LED walls — Barco primary
• Understanding LED video wall pixel pitch — Christie Digital