Patent ID: 7330580

Claim:
A system for inspecting a liquid crystal display (LCD) panel, comprising: a magnifier for magnifying an image of the inspected LCD panel; a charge coupled device (CCD) camera for capturing the magnified image of the inspected LCD panel; an image acquisition card for converting analog signals of the magnified image into digital signals; and a computer, comprising: a memory for storing the magnified image; and a central processing unit (CPU) for: obtaining color template intervals based on a statistical theory; rotating the magnified image according to a slope when necessary; obtaining transverse mask codes and longitudinal mask codes of magnified image pixels according to the color template intervals; obtaining a color transverse mask code matrix of sub-pixels of the inspected LCD panel according to the color template intervals, the transverse mask codes and the longitudinal mask codes; and determining whether the sub-pixels of the inspected LCD panel are defective according to the color transverse mask code matrix.