LIQUID DISCHARGE HEAD AND HEAD UNIT USING THE SAME

摘要

A liquid discharge head including plural liquid discharge portions each including a discharge port for discharging liquid, plural discharge ports forming a discharge port array; a common liquid supply flow path extending adjacent to the discharge port array on one side of the discharge port array; and a common liquid collection flow path extending adjacent to the discharge port array on the other side of the discharge port array. Each liquid discharge portion includes a pressure chamber having the discharge port, and a piezoelectric element facing the discharge port. The pressure chamber includes an inlet and an outlet end portion respectively connected to the common liquid supply and collection flow paths, and has an elongated shape connecting the inlet and outlet end portions. A plurality of inlet and outlet end portions are respectively arranged along the common liquid supply flow path and the common liquid collection flow path.