蚀刻宽度过大，正面屏幕观感就会受到影响，导致屏幕亮度腰斩、画面模糊、出现摩尔纹等等问题。
Владимир Зеленский. Фото: PRESIDENT OF UKRAINE / Keystone Press Agency / Global Look Press
。关于这个话题，safew官方下载提供了深入分析
Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.
Source: Computational Materials Science, Volume 266