Composite substrate and electrical device

Abstract

The purpose of the present invention is to compactly interconnect at least three substrates with flat cables. A composite substrate according to the present invention includes: a first substrate including a first connector and a second connector in which the width directions thereof are parallel to a first direction; a second substrate including a third connector and a fourth connector in which the width directions thereof are parallel to the first direction; a third substrate including a fifth connector and a sixth connector in which the width directions thereof are parallel to the first direction; a first flat cable connecting the first connector and the third connector; a second flat cable connecting the second connector and the fifth connector; and a third flat cable connecting the fourth connector and the sixth connector.

Dependencies are inferred from the claim text.