Camera lens module

Patent metadata

Field	Value
Publication number	US-2015116514-A1
Application number	US-201414523220-A
Country	US
Kind code	A1
Filing date	Oct 24, 2014
Priority date	Oct 25, 2013
Publication date	Apr 30, 2015
Grant date	—

Abstract

Disclosed herein is a camera lens module. The camera lens module in accordance with an embodiment of the present invention includes a vibration correction carrier, a rolling unit disposed in parallel to a direction vertical to an optical axis and configured to support the vibration correction carrier, a lens barrel carrier disposed on a side opposite the vibration correction carrier based on the rolling unit, and a base configured to mount the vibration correction carrier and the lens barrel carrier on the base.

First claim

What is claimed is:

1 . A camera lens module, comprising:
a vibration correction carrier; a rolling unit disposed in parallel to a direction vertical to an optical axis and configured to support the vibration correction carrier; a lens barrel carrier disposed on a side opposite the vibration correction carrier based on the rolling unit; and a base configured to mount the vibration correction carrier and the lens barrel carrier on the base.

2 . The camera lens module of claim 1 , further comprising vibration correction driving units disposed between the vibration correction carrier and the base and placed in at least two edge regions of the camera lens module.

3 . The camera lens module of claim 2 , wherein each of the vibration correction driving units comprises:
at least one vibration correction magnet placed beside the vibration correction carrier, and a yoke unit corresponding to the vibration correction magnet.

4 . The camera lens module of claim 3 , wherein:
the yoke unit comprises a plurality of segmented yokes, and the segmented yokes are disposed in respective regions divided based on centers of the vibration correction magnet in such a way as to face each other.

5 . The camera lens module of claim 3 , wherein each of the vibration correction driving units comprises a vibration correction coil and a vibration correction position sensor disposed in an edge region of the base and supported to face the vibration correction magnet.

6 . The camera lens module of claim 5 , wherein each of the vibration correction driving units further comprises a back yoke provided in one surface of an edge region of the vibration correction carrier and closely attached to the vibration correction magnet.

7 . The camera lens module of claim 1 , wherein the vibration correction carrier comprises:
a hollow body configured to have a lens barrel received along the optical axis; one or more first support bodies protruded from a bottom of the hollow body in an outer circumference direction and spaced apart from each other; and one or more first apertures disposed between the first support bodies.

8 . The camera lens module of claim 5 , further comprising a perpendicular unit extended from the edge region of the base in a direction of the optical axis and configured to have a triangular prism shape.

9 . The camera lens module of claim 5 , wherein the vibration correction position sensor is placed in a support at a back of the vibration correction coil and configured to face the vibration correction magnet through an internal space of the vibration correction coil, or the vibration correction position sensor is received in the internal space of the vibration correction coil and configured to face the vibration correction magnet.

10 . The camera lens module of claim 1 , further comprising an Automatic Focus (AF) driving unit disposed between the base and the lens barrel carrier and configured to move the lens barrel carrier along the optical axis,
wherein the AF driving unit comprises: an automatic focus magnet provided in a first surface of the lens barrel carrier; an auxiliary base provided in one surface of the base and configured to face the automatic focus magnet; an automatic focus coil and an automatic position sensor provided in the auxiliary base and disposed to face the automatic focus magnet; and a camera lens module configured to comprise an AF flexible circuit provided in the auxiliary base.

11 . The camera lens module of claim 1 , wherein the rolling unit comprises a plurality of ball bearings disposed between the lens barrel carrier and the vibration correction carrier in such a way as to come in contact with the lens barrel carrier and the vibration correction carrier and configured to support the vibration correction carrier.

Assignees

• Jahwa Electronics Co Ltd

Inventors

• Kim Hee Seung
• Kim In Soo

Classifications

• H04N23/55

  Optical parts specially adapted for electronic image sensors; Mounting thereof · CPC title

• H04N23/68

  for stable pick-up of the scene, e.g. compensating for camera body vibrations · CPC title

• G03B5/00

  Adjustment of optical system relative to image or object surface other than for focusing · CPC title

• G02B27/646 Primary

  compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68) · CPC title

• G03B2205/0015

  by displacing one or more optical elements normal to the optical axis · CPC title