| 摘要 |
An electro-optical device includes: a counter substrate; an element substrate comprising a protruding region protruding from one side of the counter substrate and being bonded to the counter substrate; a plurality of pixel units that are arranged in a pixel region on the element substrate; a plurality of external circuit connecting terminals which are arranged in the protruding region on the element substrate and to which various signals including image signals and control signals for allowing the plurality of pixel units to display an image are supplied; and a plurality of test terminals that are provided at both ends of an array of the plurality of external circuit connecting terminals in the protruding region and are supplied with test signals, wherein a distance between adjacent test terminals is longer than a distance between adjacent external circuit connecting terminals.
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