Lens driving device, camera device and electronic apparatus
A lens driving device includes: a lens carrier for fixing a lens barrel to the inside thereof; a driving unit for moving the lens carrier along the optical axis direction of the lens barrel; and an upper leaf spring and a lower leaf spring attached to the lens carrier in a manner that a surface of the each upper leaf spring and lower leaf spring is oriented orthogonal to the optical axis direction at an upper part and a lower part of the lens carrier and so that the lens carrier is supported in a manner to move freely in the optical axis direction of the lens barrel; wherein the lens carrier has an opening through which the lens barrel can be inserted from the direction intersecting the optical axis direction of the lens barrel.
1. A lens driving device comprising:
a lens carrier for fixing a lens barrel to the inside thereof;
a driving unit for moving the lens carrier along the optical axis direction of the lens barrel; and
an upper leaf spring and a lower leaf spring attached to the lens carrier in a manner that a surface of the each upper leaf spring and lower leaf spring is oriented orthogonal to the optical axis direction at an upper part and a lower part of the lens carrier and so that the lens carrier is supported so as to move freely in the optical axis direction of the lens barrel; wherein
the lens carrier has an opening which is open toward a direction intersecting the optical axis direction of the lens barrel at an angle, and through which opening the lens barrel is inserted.
2. The lens driving device according to claim 1 , wherein the driving unit has coils and magnets; wherein the coils are arranged on the both sides of the lens carrier around the optical axis of the lens barrel.
3. The lens driving device according to claim 2 , wherein the coils on the both sides of the lens carrier are electrically connected in parallel with respect to each other.
4. The lens driving device according to claim 2 , wherein conducting members for supplying electricity to the coils are provided on one side of the lens carrier in the optical axis direction of the lens barrel.
5. The lens driving device according to claim 4 , wherein terminals connected to the conducting members are arranged on one side apart from the center of the lens barrel.
6. The lens driving device according to claim 2 , wherein the lens driving device further includes a yoke for supporting the magnets; wherein the yoke surrounds the lens carrier except the opening thereof.
7. The lens driving device according to claim 6 , wherein the magnets are fixed to the both sides of the yoke around the optical axis of the lens barrel in a manner to face toward the coils.
8. The lens driving device according to claim 7 , wherein the magnets are arranged facing toward each other in a manner that their magnetic poles of facing sides thereof are different.
9. The lens driving device according to claim 1 , wherein the lens carrier includes a main body made of resin and a reinforcement member made of metal; and wherein the main body is reinforced with respect to a direction intersecting the optical axis direction of the lens barrel by means of the reinforcement member.
10. The lens driving device according to claim 2 , wherein the lens carrier includes a main body made of resin and a reinforcement member made of metal; and wherein the main body is reinforced with respect to a direction intersecting the optical axis direction of the lens barrel by means of the reinforcement member.
11. The lens driving device according to claim 6 , wherein the lens carrier includes a main body made of resin and a reinforcement member made of metal; and wherein the main body is reinforced with respect to a direction intersecting the optical axis direction of the lens barrel by means of the reinforcement member.
12. The lens driving device according to claim 1 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
13. The lens driving device according to claim 2 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
14. The lens driving device according to claim 6 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
15. The lens driving device according to claim 9 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
16. The lens driving device according to claim 10 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
17. The lens driving device according to claim 11 , wherein an optical component for forming an optical system which folds the optical axis is arranged on the optical axis direction of the lens carrier.
18. A camera device comprising:
a lens driving device including:
a lens carrier for fixing a lens barrel to the inside thereof;
a driving unit for moving the lens carrier along the optical axis direction of the lens barrel; and
an upper leaf spring and a lower leaf spring attached to the lens carrier in a manner that a surface of the each upper leaf spring and lower leaf spring is oriented orthogonal to the optical axis direction at an upper part and a lower part of the lens carrier and so that the lens carrier is supported so as to move freely in the optical axis direction of the lens barrel; wherein
the lens carrier has an opening which is open toward a direction intersecting the optical axis direction of the lens barrel at an angle, and through which opening the lens barrel is inserted; and
a photo detecting sensor receiving light passed through the lens barrel.
19. An electronic apparatus being equipped with a camera device including:
a lens driving device including:
a lens carrier for fixing a lens barrel to the inside thereof;
a driving unit for moving the lens carrier along the optical axis direction of the lens barrel; and
an upper leaf spring and a lower leaf spring attached to the lens carrier in a manner that a surface of the each upper leaf spring and lower leaf spring is oriented orthogonal to the optical axis direction at an upper part and a lower pan of the lens carrier and so that the lens carrier is supported so as to move freely in the optical axis direction of the lens barrel; wherein
the lens carrier has an opening which is open toward a direction intersecting the optical axis direction of the lens barrel at an angle, and through which opening the lens barrel is inserted; and
a photo detecting sensor receiving light passed through the lens barrel.