To provide an inspection device of a display panel capable of improving detection accuracy of a defect.
This inspection device 1 of the display panel is equipped with: a table 3 capable of adjusting a plane position; an illumination device 4 and a reference panel 5 arranged on the table 3; a CCD camera 6 capable of imaging an inspection panel 2 arranged over the reference panel 5; a table driving control device 9 for moving the table 3; a dimmer 8 for LED illumination for controlling the illumination device 4; a liquid crystal panel driving device 7 capable of controlling the lighting state of each panel 2, 5; and an inspection control device 10. The inspection control device 10 is equipped with a panel alignment means for performing alignment between the inspection panel 2 and the reference panel 5 by moving the table 3, and a defect inspection means for imaging the inspection panel 2 by the CCD camera 6 by lighting the inspection panel 2 and the reference panel 5 and inspecting a displayed defect of the inspection panel 2 based on the imaged image.
Kanji Nakayama
Tsuyoshi Ishizaki