Patent ID: 7880983
Filing Date: 2011-02-01
Classification: G02B,G03B

Abstract:
1. A lens driving device, comprising: a lens holder for holding the lens; a base provided outside of said lens holder; an upper spring plate connecting said lens holder to an imaged-object side on the top of the lens and a lower spring plate connecting said base to a side opposite to the imaged-object side on the bottom of the lens; a spacer provided on an edge portion of said lower spring plate proximate to said base for confining said lower spring plate; a first protrusion formed on a lower portion of a sidewall of said lens holder and protruding outward from the sidewall of said lens holder; and a second protrusion formed on an inner circumference of said spacer and protruding toward said lens holder, wherein said second protrusion is positioned above said first protrusion, said first protrusion and said second protrusion are configured to have a predetermined spacing therebetween in an up-and-down direction.