Patent ID: 7387371

Claim:
A liquid discharge head for discharging liquid, comprising: an element substrate having a main surface on which a plurality of discharge energy generating elements for generating energy for discharging a liquid droplet are provided; and a flow path constituting substrate joined to said main surface of said element substrate in order to constitute a bubble generating chamber having said plurality of discharge energy generating elements, a first discharge port portion for discharging the liquid droplet, a second discharge port portion for communicating said bubble generating chamber with said first discharge port portion and a liquid supply path for supplying the liquid to said bubble generating chamber, wherein said plurality of discharge energy generating elements are arranged substantially symmetrically with respect to a center or a center of gravity of said second discharge port portion, and at least one of said discharge energy generating elements is disposed to straddle between an inner area of said second discharge port portion and an outer area outside of said second discharge port portion in a plan view viewed from a direction perpendicular to said main surface of said element substrate.