APPARATUS AND METHOD OF TESTING DISPLAY DEVICE

摘要

An inspection apparatus and an inspection method capable of rapidly inspecting stains of a display device with low costs are provided. An inspection method for a display device according to the present invention includes: a step of mounting an inspection target on a stage; a step of inspecting the exterior and a pattern of the inspection target using a line camera adjusted to an in-focus mode or an out-focus mode; and a step of inspecting stains of the inspection target using the line camera adjusted to the out-focus mode. [Reference numerals] (AA) Start; (BB) End; (S10) Loading the inspection target on the stage; (S12) Controlling the line camera to be an in-focus mode; (S14) First scanning the inspection target with the line camera; (S16) Determining cell failure of the inspection target; (S18) Controlling the line camera to be an in-focus mode; (S20) Second scanning the inspection target with the line camera; (S22) Determining the exterior of the top of the inspection target; (S24) Controlling the line camera to be an out-focus mode; (S26) Third scanning the inspection target with the line camera; (S28) Determining stain failure of the inspection target