CN-224203499-U - Reflection module and camera module including the same

Abstract

The present disclosure relates to a reflection module including a housing, a bracket disposed in the housing and configured to be rotatable with respect to the housing, a first magnetic portion disposed on one surface of the bracket, and a second magnetic portion disposed on one surface of the housing and facing the first magnetic portion, wherein both attractive force and repulsive force act between the first magnetic portion and the second magnetic portion. The present disclosure also relates to a camera module including the reflection module.

Inventors

• QUAN RONGHUAN
• YIN YONGFU
• HONG ZONGYOU

Assignees

• 三星电机株式会社

Dates

Publication Date

20260505

Application Date

20250516

Priority Date

20240516

Claims (20)

1. 1. A reflective module, wherein the reflective module comprises: A housing; a bracket provided in the housing and configured to be rotatable with respect to the housing; a first magnetic part disposed on one surface of the bracket, and A second magnetic portion provided on one surface of the housing and facing the first magnetic portion, Wherein both attractive and repulsive forces act between the first and second magnetic portions.
2. 2. The reflective module of claim 1, wherein a gap between the first magnetic portion and the second magnetic portion changes as the bracket rotates.
3. 3. The reflection module according to claim 1, wherein the bracket is further configured to be rotatable about at least two axes as rotation axes, the at least two axes being perpendicular to a direction in which the first magnetic portion and the second magnetic portion face each other and perpendicular to each other.
4. 4. The reflective module of claim 1, wherein the attractive force acts at a location closer to a center of rotation of the bracket than the repulsive force acts at.
5. 5. The reflection module of claim 1, wherein the first magnetic portion comprises a first magnetic body and a third magnetic body both disposed on the bracket, The second magnetic part includes a second magnetic body provided on the housing, and Each of the first magnetic body, the second magnetic body, and the third magnetic body is a magnet.
6. 6. The reflection module according to claim 5, wherein one surface of the first magnetic body and one surface of the second magnetic body face each other, One surface of the third magnetic body and the one surface of the second magnetic body face each other, The one surface of the first magnetic body and the one surface of the second magnetic body facing each other have different polarities, and The one surface of the third magnetic body and the one surface of the second magnetic body facing each other have the same polarity.
7. 7. The reflective module of claim 6, wherein a distance between said one surface of said first magnetic body and said one surface of said second magnetic body is less than a distance between said one surface of said third magnetic body and said one surface of said second magnetic body.
8. 8. The reflection module according to claim 6, wherein a size of a portion of the one surface of the first magnetic body and the one surface of the second magnetic body facing each other is larger than a size of a portion of the one surface of the third magnetic body and the one surface of the second magnetic body facing each other.
9. 9. The reflective module of claim 1, wherein a magnitude of the attractive force is greater than a magnitude of the repulsive force.
10. 10. The reflection module of claim 1, wherein the first magnetic portion comprises a first magnetic body and a third magnetic body both disposed on the bracket, The second magnetic portion includes a second magnetic body provided on the housing, The first magnetic body is a magnetic yoke, Each of the second magnetic body and the third magnetic body is a magnet, and The attractive force acts between the first magnetic body and the second magnetic body, and the repulsive force acts between the third magnetic body and the second magnetic body.
11. 11. The reflectometry module of claim 1, wherein the first magnetic portion comprises a first magnetic body disposed on the bracket, The second magnetic portion includes a second magnetic body provided on the housing, Each of the first magnetic body and the second magnetic body is a magnet, One surface of the first magnetic body and one surface of the second magnetic body face each other, and The number of polarities of the one surface of the first magnetic body and the number of polarities of the one surface of the second magnetic body facing the one surface of the first magnetic body are different from each other.
12. 12. The reflection module according to claim 11, wherein first portions of the one surface of the first magnetic body and the one surface of the second magnetic body facing each other have opposite polarities, The one surface of the first magnetic body and the second portion of the one surface of the second magnetic body facing each other have the same polarity, and The first portion has a size that is greater than a size of the second portion.
13. 13. The reflective module of claim 1, wherein the reflective module further comprises: A third magnetic part disposed on the other surface of the bracket, and A fourth magnetic portion provided on the other surface of the housing and facing the third magnetic portion, Wherein a repulsive force acts between the third magnetic portion and the fourth magnetic portion.
14. 14. The reflective module of claim 13, wherein a direction in which the first and second magnetic portions face each other is perpendicular to a direction in which the third and fourth magnetic portions face each other.
15. 15. The reflectometry module of claim 1, further comprising a first ball member disposed between the housing and the bracket.
16. 16. The reflectometry module of claim 15, in which the first magnetic portion comprises a first magnetic body disposed on the bracket, The second magnetic part includes a second magnetic body provided on the housing, and Each of the first magnetic body and the second magnetic body has an annular shape surrounding the first ball member.
17. 17. The reflective module of claim 15, wherein a first guide slot is formed in the bracket, Forming a second guide groove in the housing, and The first ball member is disposed in three-point contact with the first guide groove and in three-point contact with the second guide groove.
18. 18. A camera module, the camera module comprising: A housing; a bracket provided in the housing and configured to be rotatable with respect to the housing; An optical member coupled to the bracket; A support portion provided in the housing between the housing and the bracket, and configured to rotatably support the bracket; A first magnetic part arranged on the bracket, and A second magnetic portion provided on the housing and facing the first magnetic portion, Wherein a repulsive force acts between the first magnetic portion and the second magnetic portion.
19. 19. The camera module of claim 18, wherein in addition to the repulsive force acting between the first magnetic portion and the second magnetic portion, an attractive force acts between the first magnetic portion and the second magnetic portion, and The attractive force acts at a position closer to the rotational center of the bracket than the repulsive force acts at.
20. 20. The camera module of claim 19, wherein the camera module further comprises: A first driver including a first magnet provided on the bracket and a first coil facing the first magnet, and A second driver including a second magnet disposed on the bracket and a second coil facing the second magnet.

Description

Reflection module and camera module including the same Cross Reference to Related Applications The present application claims the benefit of priority from korean patent application No. 10-2024-0064153 filed on the korean intellectual property office at 5 months 16 of 2024 and korean patent application No. 10-2024-0174926 filed on the korean intellectual property office at 11 months 29 of 2024, the entire disclosures of which are incorporated herein by reference for all purposes. Technical Field The present disclosure relates to a reflection module and a camera module including the same. Background Recently, a camera module that bends a path of light by providing a reflecting member in front of a lens module has been adopted in a mobile device. In addition, the camera module may have a shake correction function of compensating for shake during image capturing so as to improve resolution. Such a shake correction function can be achieved by biaxial rotation of the reflecting member. In this case, since the reflection member is provided in a rotatable state, there may be a problem in that the reflection member is inclined to one side in a state in which the camera module is closed. Disclosure of utility model This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. In one general aspect, a reflective module includes a housing, a bracket disposed in the housing and configured to be rotatable relative to the housing, a first magnetic portion disposed on one surface of the bracket, and a second magnetic portion disposed on one surface of the housing and facing the first magnetic portion, wherein both attractive and repulsive forces act between the first and second magnetic portions. The gap between the first magnetic portion and the second magnetic portion may change as the bracket rotates. The holder may be further configured to be rotatable about at least two axes as a rotation axis, the at least two axes being perpendicular to a direction in which the first magnetic portion and the second magnetic portion face each other and perpendicular to each other. The attractive force may act at a position closer to the rotational center of the bracket than the repulsive force. The first magnetic portion may include a first magnetic body and a third magnetic body both provided on the bracket, the second magnetic portion may include a second magnetic body provided on the housing, and each of the first magnetic body, the second magnetic body, and the third magnetic body may be a magnet. One surface of the first magnetic body and one surface of the second magnetic body may face each other, one surface of the third magnetic body and one surface of the second magnetic body may face each other, one surface of the first magnetic body and one surface of the second magnetic body facing each other may have different polarities, and one surface of the third magnetic body and one surface of the second magnetic body facing each other may have the same polarity. The distance between one surface of the first magnetic body and one surface of the second magnetic body may be smaller than the distance between one surface of the third magnetic body and one surface of the second magnetic body. The size of the portion of the one surface of the first magnetic body and the one surface of the second magnetic body facing each other may be larger than the size of the portion of the one surface of the third magnetic body and the one surface of the second magnetic body facing each other. The magnitude of the attractive force may be greater than the magnitude of the repulsive force. The first magnetic portion may include a first magnetic body and a third magnetic body both provided on the bracket, the second magnetic portion may include a second magnetic body provided on the housing, the first magnetic body may be a yoke, each of the second magnetic body and the third magnetic body may be a magnet, and an attractive force may act between the first magnetic body and the second magnetic body, and a repulsive force may act between the third magnetic body and the second magnetic body. The first magnetic part may include a first magnetic body provided on the bracket, the second magnetic part may include a second magnetic body provided on the housing, each of the first magnetic body and the second magnetic body may be a magnet, one surface of the first magnetic body and one surface of the second magnetic body may face each other, and the number of polarities of one surface of the first magnetic body and the number of polarities of one surface of the second magnetic body facing the one surface of the first magnetic body may be different from each other. The first portions