Dot pitch

About

Dot pitch refers to the physical distance between the centers of adjacent pixels (or sensing elements) on an imaging sensor or display panel, typically measured in micrometers (µm). It is a fundamental specification that directly determines a sensor's spatial resolution and overall image quality — a smaller dot pitch means pixels are packed more densely, enabling finer detail capture within the same sensor area. In robotics and AI, dot pitch is critically important when selecting cameras and image sensors for tasks like 3D scene reconstruction, object detection, autonomous navigation, and depth sensing. Sensors with smaller pixel pitches (such as the 3.65 µm pixels seen in combined 2D/3D CMOS image sensors) allow higher-resolution imaging without increasing chip size, making them attractive for compact robotic platforms and embedded vision systems. Dot pitch also influences sensor sensitivity and noise characteristics, since smaller pixels collect less light. Engineers and researchers must carefully balance dot pitch against application requirements — trading off resolution, light sensitivity, and processing demands — to optimize perception systems for real-world robotics and AI deployment.