Patent ID: 9267979
Filing Date: 2016-02-23
CPC Classification: G01R

Claim Text:
1. A line testing device for an array substrate having a dense number of wires, comprising: a signal generating device that generates a detection signal; a signal receiving device that receives and processes the detection signal; and a control device; wherein the detection signal tests the array substrate having the dense number of wires, and the control device controls any one or more of the signal generating device and the signal receiving device to move in a direction perpendicular to a direction of a scan line of the array substrate and in a plane parallel to the array substrate, wherein the control device comprises a horizontal control device and a perpendicular control device; the horizontal control device controls one or more of the signal generating device and the signal receiving device to move in a direction parallel to a direction of the scan line of the array substrate, the perpendicular control device controls one or more of the signal generating device and the signal receiving device to move in the direction perpendicular to the direction of the scan line of the array substrate, and the horizontal control device and the perpendicular control device independently work, and the perpendicular control device further comprises a gravity balance member arranged on an elongation portion of the perpendicular balance bar.