The invention relates to the technical field of LCD testing, and in particular, relates to a method for detecting the
visual angle deviation direction of an LCD full-visual-angle VA. According to the method for detecting the
visual angle deviation direction of the LCD full-visual-angle VA, a video magnifier suitable for the product is selected according to the characteristics of the full-visual-angle LCD. The
focal length is automatically and finely adjusted through an automatic detection judgment program. When the definition is optimal, a standard pattern at a
fixed position is collected; the automatic detection program can automatically detect the nesting deviation direction and the deviation value of an ITO circuit, combined up and down, of the LCD, display the detected deviation value and judge whether the
visual angle deviation value of the full-visual-angle product meets the requirement or not. In addition, the program can also clearly detect the defects of LCD graphic
font convex-concave badness, graphic
font thickness deformation badness,
short circuit, missing
scratching badness and the like. The full-visual-angle LCD precision detection device is high in detection precision, effectively improves the detection efficiency, and is accurate and effective in detection.