Unverified50% confidenceFactExact time
LVGL采用脏矩形机制只重绘发生变化的屏幕区域，可将实际绘制调用量压缩至全屏刷新的5%~20%
1
Sources
50%
Confidence
Long-term
Relevance
7/24/2026
First Seen
Sources
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