Patent ID: 8610448

Claim:
A one-sheet test device configured to test a one-sheet substrate comprising a plurality of panels, the one-sheet test device comprising: a signal supplier for generating a plurality of signal groups and a plurality of dummy signals for testing the plurality of panels, wherein each of the plurality of signal groups includes red, green, and blue data signals, a gate signal, and a power signal, and the plurality of dummy signals correspond to the red, green, and blue data signals and the gate signal; and a connection board for: transmitting a first signal group of the plurality of signal groups to a first panel of the plurality of panels corresponding to the first signal group, and when a number of the plurality of panels is larger than a number of the plurality of signal groups: transmitting a signal of at least one signal group of the plurality of signal groups to at least two panels of the plurality of panels, wherein transmitting the signal comprises transmitting the power signal of the at least one signal group to one of and an other one of the at least two panels; transmitting the plurality of dummy signals to the one of the at least two panels; and transmitting the red, green, and blue data signals and the gate signal of the at least one signal group to the other one of the at least two panels.