Patent ID: 7800568

Claim:
A liquid crystal display (LCD) inspection apparatus for inspecting an LCD panel, comprising: a worktable that supports the LCD panel to be seated on a front side of the worktable; probe units that are electrically connected to the LCD panel; a backlight unit that supplies light to the LCD panel; an imaging unit that photographs an image of the LCD panel; a first polarizing plate that is arranged between the imaging unit and the LCD panel to polarize the light; a second polarizing plate that is arranged between the LCD panel and the backlight unit to polarize the light; a first illumination unit between the first polarizing plate and the LCD panel to irradiate a front surface of the LCD panel from a periphery of the LCD panel; and a second illumination unit between the second polarizing plate and the LCD panel to irradiate a rear surface of the LCD panel from a periphery of the LCD panel; and an image processor that receives the image photographed by the imaging unit and extracts defect information from the received image.