Optical image stabilizing module and camera module including the same

Patent metadata

Field	Value
Publication number	US-10866430-B2
Application number	US-201816117377-A
Country	US
Kind code	B2
Filing date	Aug 30, 2018
Priority date	Oct 31, 2017
Publication date	Dec 15, 2020
Grant date	Dec 15, 2020

Abstract

An optical image stabilizing (OIS) module and a camera module are provided. The OIS module includes a driving holder provided on a bottom surface of a housing, a driving frame comprising a reflection member and supported on an inner wall of the driving holder, a driving part configured to provide a driving force to move the driving holder and the driving frame, wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the bottom surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, and the driving frame is configured to move in one or more of the linear direction and the rotational direction on the inner wall of the driving holder to move the reflection member in a second axial direction, perpendicular to the optical axis.

First claim

What is claimed is:

1. An optical image stabilizing (OIS) module comprising:
a driving holder provided on a surface of a housing;
a driving frame comprising a reflection member and supported on a surface of the driving holder; and
a driving part configured to provide a driving force to move the driving holder and the driving frame,
wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the bottom surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, or to rotate the reflection member around a second axis, perpendicular to an optical axis and a first axis, and
the driving frame is configured to move in one or more of the linear direction and the rotational direction on the surface of the driving holder to move the reflection member in a second axial direction, or to rotate the reflection member around the first axis,
wherein the driving frame is supported on an inner surface of the driving holder by a magnetic attractive force.

2. The OIS module of claim 1 , wherein the driving holder is configured to move in a rotational direction around an axis parallel to a first axis that is perpendicular to the optical axis and a second axis.

3. The OIS module of claim 2 , wherein a plurality of ball members are provided between the driving holder and the bottom surface of the housing.

4. The OIS module of claim 1 , wherein the driving frame moves in a rotational direction around an axis parallel to a first axis that is perpendicular to the optical axis when the driving frame is supported on the inner wall of the driving holder.

5. The OIS module of claim 3 , wherein the plurality of ball members provided between the driving holder and the bottom surface of the housing are provided to be one or more of fixed to the driving holder, fixed to the housing, and freely rotatable.

6. A camera module comprising:
a lens module comprising a plurality of lenses; and
an optical image stabilizing (OIS) module of claim 1 , disposed in front of the lens module and configured to change a path of light incident in the camera module toward the lens module.

7. The OIS module of claim 1 , wherein the attractive force is formed between a pulling yolk provided on the inner wall of the driving holder and a pulling magnet provided on the driving frame.

8. An optical image stabilizing (OIS) module comprising:
a driving holder provided on a surface of a housing;
a driving frame comprising a reflection member and supported on a surface of the driving holder; and
a driving part configured to provide a driving force to move the driving holder and the driving frame,
wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, or to rotate the reflection member around a second axis, perpendicular to an optical axis and a first axis, and
the driving frame is configured to move in one or more of the linear direction and the rotational direction on the surface of the driving holder to move the reflection member in a second axial direction, or to rotate the reflection member around the first axis,
wherein a plurality of ball members are provided between the driving holder and the bottom surface of the housing, and
wherein a plurality of guide grooves in which the plurality of ball members are accommodated are provided in a lower surface of the driving holder facing the housing.

9. The OIS module of claim 8 , wherein the plurality of guide grooves have a rounded shape.

10. An optical image stabilizing (OIS) module comprising:
a driving holder provided on a surface of a housing;
a driving frame comprising a reflection member and supported on a surface of the driving holder; and
a driving part configured to provide a driving force to move the driving holder and the driving frame,
wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, or to rotate the reflection member around a second axis, perpendicular to an optical axis and a first axis, and
the driving frame is configured to move in one or more of the linear direction and the rotational direction on the surface of the driving holder to move the reflection member in a second axial direction, or to rotate the reflection member around the first axis,
wherein a plurality of ball members is provided between the driving holder and the bottom surface of the housing, and
wherein a plurality of guide grooves in which the plurality of ball members are accommodated are provided in the surface of the housing facing the driving holder.

11. The OIS module of claim 10 , wherein the plurality of guide grooves have a rounded shape.

12. An optical image stabilizing (OIS) module comprising:
a driving holder provided on a surface of a housing;
a driving frame comprising a reflection member and supported on a surface of the driving holder; and
a driving part configured to provide a driving force to move the driving holder and the driving frame,
wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, or to rotate the reflection member around a second axis, perpendicular to an optical axis and a first axis, and
the driving frame is configured to move in one or more of the linear direction and the rotational direction on the surface of the driving holder to move the reflection member in a second axial direction, or to rotate the reflection member around the first axis,
wherein a plurality of ball members is provided between the driving holder and the bottom surface of the housing, and
wherein a plurality of guide grooves in which the plurality of ball members are accommodated are provided in one of the bottom surface of the housing and a lower surface of the driving holder,
the lower surface of the driving holder has a tetragonal shape, and
the plurality of guide grooves are provided in one or more of four corner portions of the lower surface of the driving holder and a portion of the housing that faces corner portions of the driving holder.

13. The OIS module of claim 12 , wherein the plurality of guide grooves are provided in an arc shape based on an axis that is parallel to the Y-axis.

14. The OIS module of claim 12 , wherein a plurality of ball members are provided between the driving frame and the inner wall of the driving holder.

15. The OIS module of claim 13 , wherein a guide rail, protruding toward the driving frame in a rounded shape, is provided in an inner wall surface of the driving holder facing the driving frame, and
a plurality of guide grooves, in which the plurality of ball members are accommodated, are provided in the guide rail.

16. The OIS module of claim 14 , wherein a guide rail accommodation portion recessed in a rounded shape is provided in the driving frame facing the inner wall surface of the driving holder, and
a plurality of guide grooves, in which the plurality of ball members are accommodated, are provided in the guide rail accommodation portion.

17. The OIS module of claim 14 , wherein a plurality of guide grooves, in which a plurality of ball members are accommodated, are provided i

Assignees

• Samsung Electro Mech

Inventors

• Kim Jae Kyung
• Park Nam Ki
• Lee Ta Kyoung
• Jeong Bong Won
• Yoon Young Bok

Classifications

• H04N23/685 Primary

  performed by mechanical compensation · CPC title

• H04N23/57

  Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices · CPC title

• H04N23/55

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

• H04N23/51

  Housings · CPC title

• G03B5/00 Primary

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