Patent ID: 6297577
Filing Date: 2001-10-02
Classification: B41J,H01L

Abstract:
A light control apparatus comprising:a base member; andan actuator for controlling light, said actuator comprising:a piezoelectric member extending in a longitudinal direction, said piezoelectric member having a first surface along the longitudinal direction and a second surface opposing said first surface, a first portion of said first surface being fixedly connected with said base member, a second portion of said first surface not being connected with said base member;a first electrode disposed on both the first and second portions of said first surface; anda second electrode disposed on said second surface of said piezoelectric member;wherein said second surface of said piezoelectric member includes first and second portions thereof, which oppose, respectively, said first and second portions of said first surface;wherein said second electrode is disposed on said second portion of said second surface, said first portion of said second surface being substantially free from coverage by said second electrode;wherein said piezoelectric member is adapted to deform in response to a voltage applied between said first and second electrodes.