Lens moving device and installation unit

1. A lens moving device, comprising:

a lens installation unit including at least one lens and at least one guiding protrusion;

a driving means for moving the lens installation unit; and

a frame including a guiding slot through which the guiding protrusion extends and within which the lens installation unit is housed,

wherein the lens installation unit comprises a screw unit which is adapted for engagement with the driving means and includes an elastic component and a screw, and

wherein at least one guiding hole is formed in the lens installation unit for movable connection to the frame.

2. The lens moving device of claim 1 , further comprising a guiding bar attached to the frame and to which the guiding hole is movably connected.

3. The lens moving device of claim 1 , wherein the driving means includes a lead screw and a driving motor capable of rotating the lead screw, and the screw unit is adapted for engagement with the lead screw.

4. The lens moving device of claim 1 , wherein the screw unit is adapted for engagement with the driving means.

5. The lens moving device of claim 1 , wherein the screw unit is adapted for engagement with the driving means, and the screw unit further includes a hinge pin.

6. A lens installation unit, comprising:

a lens installation portion adapted for holding a lens;

a guiding protrusion extending in a first direction away from the lens installation portion; and

a guiding hole extending in a second direction away from the lens installation portion,

wherein the lens installation portion comprises a screw unit which includes a screw portion and an elastic component and is engageable with a mechanism for driving the lens installation portion, and

wherein at least one guiding hole is formed for movable connection to a frame of the lens installation portion.

7. The lens installation unit of claim 6 , wherein the screw unit extends away from the lens installation portion.

8. The lens installation unit of claim 7 , further comprising the driving mechanism including a lead screw and a driving motor, wherein the lead screw is movably connected to the screw unit.

9. The lens installation unit of claim 6 , wherein the screw unit extends away from the lens installation portion, the screw unit further comprising a hinge pin.

10. The lens installation unit of claim 6 , wherein the guiding hole is movably connected to a guiding bar that extends in a direction substantially parallel to an optical axis.

11. A lens moving device, comprising:

a means for holding a lens including a screw unit comprising a screw portion and an elastic component;

a means for moving the means for holding a lens adapted for engagement with the screw unit; and

a means for guiding the means for holding the lens as the means for moving operates including a guiding hole in the means for holding a lens.

12. The lens moving device of claim 11 , wherein the means for holding the lens comprises a lens installation unit to which at least one lens is installed and at least one guiding protrusion is formed.

13. The lens moving device of claim 11 , wherein the means for moving the means for holding a lens comprises a driving motor and a lead screw, wherein the driving motor is adapted for rotating the lead screw.

14. The lens moving device of claim 11 , wherein the means for guiding comprises a guiding protrusion extending away from the means for holding.