An embodiment of the present invention provides an apparatus for aligning and inspecting both sides of a display panel having a first signal transmission pad on one side and a second signal transmission pad on the other side for electric signal transmission. Both side alignment and inspection apparatus includes a base on which the display panel is placed for inspection; A primary contact unit for fixing the position of the first signal transmission pad with respect to the base and applying an electrical signal for inspection; And a secondary contact unit which is moved in the X-axis direction, the Y-axis direction, and the Z-axis as a rotation axis on the base, and is aligned and contacted with the second signal transmission pad to apply an electrical signal for inspection. Include.
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