Patent ID: 8836364

Claim:
A voltage test device for testing an LCD panel, comprising test solder pads connected to an LCD panel through the test lines, and test lines comprising a switch test line and a signal-inputting test line, characterized in that: the voltage test device further comprises a first connector, the switch test line comprises a first portion and a second portion, and the first portion of the switch test line is connected to the second portion of the switch test line through the first connector; the first connector is used for preventing the electric current in excess of a predetermined threshold from flowing inside the LCD panel; a third connector and a first transistor is disposed on the switch test line; a second transistor is disposed on the signal-inputting test line, and the voltage test device further comprises a fourth connector; wherein a source of the first transistor is connected to the test solder pad corresponding to the switch test line through the third connector, and a drain of the first transistor is connected to a gate of the second transistor through the fourth connector; a source of the second transistor is connected to the test solder pad corresponding to the signal-inputting test line, and a drain of the second transistor is connected to a source of a switch inside the LCD panel.