Patent ID: 8371679

Claim:
A liquid ejecting head unit that includes a liquid ejecting head ejecting liquid by driving a pressure generating element, the liquid ejecting head unit comprising: the liquid ejecting head that includes a plurality of first wiring substrates each having a connection wiring electrically connected to the pressure generating element and a support member that supports at least two first wiring substrates of the plurality in different positions; a second wiring substrate that is commonly connected to the connection wirings of the plurality of the first wiring substrates electrically; and a head substrate to which the second wiring substrate is electrically connected, wherein a terminal portion connected to the head substrate is aligned on one face side of the second wiring substrate, wherein a face of the first wiring substrate, in which the connection wiring connected to the second wiring substrate is disposed, and a face of the second wiring substrate, in which the terminal portion connected to the head substrate is disposed, are arranged so as to intersect each other.