Patent ID: 6137300
Filing Date: 2000-10-24
Classification: G01R,G09G

Abstract:
A probe device for a display panel, comprising:a first probe unit including a plurality of probes capable of contacting electrode terminals arranged on the display panel at first preselected intervals;a second probe unit including a plurality of probe units capable of contacting electrode terminals arranged at second preselected intervals different from said first preselected intervals;an actuator including a connecting mechanism for allowing either one of said first probe unit and said second probe unit to be plugged in said actuator, and a moving mechanism for moving said first or said second probe unit plugged in;a probe head including a base plate on which a plurality of probe assembly units each comprising said actuator and said first or said second probe unit are arranged side by side along edges of an opening formed in said base plate;a stage on which the display panel is laid;a compound table for selectively moving said stage in a rotational direction or in an X or a Y direction;alignment cameras for identifying alignment marks provided on the display panel; anda controller for driving said actuator, interchanging signals with said first or said second probe and a tester body, and performing sequence control.