Patent ID: 7167290
Filing Date: 2007-01-23
Classification: G02B

Abstract:
1. An optical deflection device which displaces a member having a light reflection region by an electrostatic force so as to deflect a reflection direction of a light beam incident on the light reflection region, the optical deflection device comprising: a substrate; a plurality of regulating members that are provided at a plurality of ends of the substrate, each of the regulating members having a stopper at an upper portion thereof; a fulcrum member that has a vertex and is provided on an upper surface of the substrate; a plate-shaped member that has the light reflection region formed thereon and has a conductive layer including a conductive member, said plate-shaped member not having any fixed ends, said plate-shaped member being movably arranged in a space between the substrate, the fulcrum member, and the stoppers; and a plurality of electrodes that are provided on the substrate and substantially face the conductive layer of the plate-shaped member; wherein the plate-shaped member has a first rotational bearing that provides a degree of freedom of the plate-shaped member to rotate toward the substrate.