Patent ID: 7573558

Claim:
A method of inspecting a display substrate using a support unit, the display substrate having a plurality of first cells having a first active area, at least one first dummy region between the first cells, a plurality of second cells having a second active area smaller than the first active area, a second dummy region between the first and second cells, and a plurality of third dummy regions between the second cells; the support unit having a support bar, a guide bar disposed on the support bar, a first and second auxiliary support bar connected to the guide bar, and supporting means disposed on the support bar and the first and second auxiliary support bar, the method comprising: disposing the display substrate on a plurality of supporting means; aligning the support bar with one of the at least one first dummy region; aligning the guide bar with the second dummy region; and aligning the first and second auxiliary support bar with two of the plurality of third dummy regions, wherein the supporting means are located to exclusively contact at least one of the at least one first dummy region, the second dummy region and the plurality of third dummy regions.