Dot defect: subpixel bright dot, dark dot, cosmetic bright spot, accuracy to 0.02mm; Line defect: Bright line and dim line; The inspection items ... :Dot defect: subpixel bright dot, dark dot, cosmetic bright spot, accuracy to 0.02mm;Line defect ... , and connect to the test instrument of custome; Display Auto Vision Inspection System, LCD dot defect inspection system