Patent ID: 7439757
Filing Date: 2008-10-21
Classification: G02F,G09G

Abstract:
1. A liquid crystal display (LCD) inspection apparatus for inspecting an LCD panel, comprising: a worktable that supports the LCD panel to be seated on the worktable; probe units that are electrically connected to the LCD panel; a backlight unit that emits light toward the LCD panel; a first polarizing plate that is arranged in front of 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; and a shutter unit that selectively shuts off the light emitted from the backlight unit toward the LCD panel, wherein the shutter unit is arranged between the second polarizing plate and the backlight unit, wherein the shutter unit includes at least one shutter that is selectively positioned between the backlight unit and the second polarizing plate; and a driver that is coupled to the shutter to selectively shut off the backlight unit and the second polarizing plate from each other.