Patent ID: 7860296

Claim:
A test system comprising: a rotatable turntable including a plurality of stages; a loading section loading a display panel assembly onto the stages, the loading section recognizing a unique number of the display panel assembly; a first image pickup section picking up first and second active area image displayed on the display panel assembly, the first image pickup section obtaining first and second active area image data from the first and second active area images; a second image pickup section picking up an inactive area image displayed on the display panel assembly, the second image pickup section obtaining an inactive area image data from the inactive area image; a system control section detecting a valid first active area defect by comparing the first and second active area image data with each other, the system control section detecting an inactive area defect by comparing the inactive area image data with a reference inactive area image data; and an unloading section unloading the display panel assembly from the stage.