An electronic device, comprising: a cover glass (510, 950) defining a touch-sensitive input surface; and a haptic structure (140, 400, 500) disposed beneath the touch-sensitive input surface and comprising: a substrate defining a beam structure (430, 530); a piezoelectric element (450, 930) positioned along a second side of the beam structure (430, 530) and having a length that is parallel to the length of the beam structure (430, 530); and a spacer (440, 530, 940) positioned along a first side of the beam structure (430, 530) and between the piezoelectric element (450, 930) and the cover glass (510, 950), wherein: the length of the piezoelectric element (450, 930) is configured to decrease in response to an input signal applied to the piezoelectric element (450, 930); and in response to the length of the piezoelectric element (450, 930) decreasing, the piezoelectric element (450, 930) is configured to deflect the beam structure (430, 530) and displace the spacer (440, 530, 940) in a first direction to provide a haptic output along the cover glass (510, 950). a cover glass (510, 950) defining a touch-sensitive input surface; and a haptic structure (140, 400, 500) disposed beneath the touch-sensitive input surface and comprising: a substrate defining a beam structure (430, 530); a piezoelectric element (450, 930) positioned along a second side of the beam structure (430, 530) and having a length that is parallel to the length of the beam structure (430, 530); and a spacer (440, 530, 940) positioned along a first side of the beam structure (430, 530) and between the piezoelectric element (450, 930) and the cover glass (510, 950), wherein: the length of the piezoelectric element (450, 930) is configured to decrease in response to an input signal applied to the piezoelectric element (450, 930); and in response to the length of the piezoelectric element (450, 930) decreasing, the piezoelectric element (450, 930) is configured to deflect the beam structure (430, 530) and displace the spacer (440, 530, 940) in a first direction to provide a haptic output along the cover glass (510, 950). a substrate defining a beam structure (430, 530); a piezoelectric element (450, 930) positioned along a second side of the beam structure (430, 530) and having a length that is parallel to the length of the beam structure (430, 530); and a spacer (440, 530, 940) positioned along a first side of the beam structure (430, 530) and between the piezoelectric element (450, 930) and the cover glass (510, 950), wherein: the length of the piezoelectric element (450, 930) is configured to decrease in response to an input signal applied to the piezoelectric element (450, 930); and in response to the length of the piezoelectric element (450, 930) decreasing, the piezoelectric element (450, 930) is configured to deflect the beam structure (430, 530) and displace the spacer (440, 530, 940) in a first direction to provide a haptic output along the cover glass (510, 950). the length of the piezoelectric element (450, 930) is configured to decrease in response to an input signal applied to the piezoelectric element (450, 930); and in response to the length of the piezoelectric element (450, 930) decreasing, the piezoelectric element (450, 930) is configured to deflect the beam structure (430, 530) and displace the spacer (440, 530, 940) in a first direction to provide a haptic output along the cover glass (510, 950).