CN-224216924-U - Optical element driving mechanism

CN224216924UCN 224216924 UCN224216924 UCN 224216924UCN-224216924-U

Abstract

An optical element driving mechanism comprises a first movable part, a fixed part and a first driving component. The first movable part is used for connecting the optical element. The first movable part can move in a first movement range relative to the fixed part. The first driving component is used for driving the first movable part to move relative to the fixed part.

Inventors

LIN KUNSHI
ZHUANG BOXIANG
Jian Ruida
CHEN YIHE
LIU SHOUCHEN

Assignees

艾特电科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250328
Priority Date: 20240329

Claims (8)

1. An optical element driving mechanism, comprising: a first movable part for connecting an optical element; A fixed part, wherein the first movable part can move in a first movement range relative to the fixed part, and A first driving component for driving the first movable part to move relative to the fixed part, and A connecting component, wherein the first movable part can move relative to the fixed part through the connecting component; Wherein, this coupling assembling includes a first connecting element, and this first connecting element includes: A first connecting end at least partially fixedly connected with the fixing part; a second connecting end at least partially fixedly connected with the first movable part, and A flexible portion, wherein the second connecting end is movably connected to the first connecting end through the flexible portion; When the first connecting element is not affected by external force, the first connecting end and the second connecting end have the shortest first distance, and when the first movable part is positioned at any position in the first movement range, the distance between the first connecting end and the second connecting end is larger than the first distance.
2. The optical element driving mechanism according to claim 1, wherein the optical element driving mechanism has a first side; when the optical element driving mechanism is observed along an optical axis, the first connecting end and the second connecting end are positioned on the first side edge of the optical element driving mechanism; Wherein the first distance is less than half the length of the first side when viewed along the optical axis.
3. The optical element driving mechanism according to claim 1, wherein the first driving unit is configured to drive the first movable portion to move along a first direction relative to the fixed portion, the first direction being non-parallel to a thickness direction of the first connecting element having the plate-like structure.
4. The optical element driving mechanism according to claim 1, wherein the first connecting end comprises a first surface, the second connecting end comprises a second surface, and the first surface and the second surface face in the same direction; The fixed part comprises a first connecting part, the first movable part comprises a second connecting part, the first surface of the first connecting end faces the first connecting part of the fixed part, and the second surface of the second connecting end faces the second connecting part of the first movable part.
5. The optical element driving mechanism according to claim 4, wherein the first movable portion further comprises a protruding portion, the second surface of the second connecting end is disposed on the protruding portion, and the protruding portion at least partially overlaps the first connecting portion when viewed along a direction parallel to the second surface.
6. The optical element driving mechanism according to claim 4, wherein the connection assembly further comprises a second connection element, the first connection element and the second connection element being located at diagonal positions of the optical element driving mechanism, the optical element having an optical axis; the fixing part also comprises a concave part, and the height of the concave part is lower than that of the first connecting part of the fixing part when being observed along the direction vertical to the optical axis; Wherein the height of the concave portion is lower than the height of the second connecting portion when viewed in a direction perpendicular to the optical axis; wherein the first connection portion has a height lower than that of the second connection portion when viewed in a direction perpendicular to the optical axis.
7. The optical element driving mechanism according to claim 4, wherein the first surface of the first connecting end is located on a first imaginary plane, and the second surface of the second connecting end and the first imaginary plane do not overlap in a direction parallel to the first surface.
8. The optical element driving mechanism according to claim 4, wherein the first surface of the first connecting end is located on a first imaginary plane, and the second surface of the second connecting end overlaps the first imaginary plane.

Description

Optical element driving mechanism Technical Field The present utility model relates to an optical element driving mechanism, and more particularly, to an optical element driving mechanism having a connection assembly. Background With the advancement of technology, many electronic devices (e.g., smartphones and tablets) have camera or video recording functions. These electronic devices are increasingly demanded and are being developed toward lighter, thinner and higher performance designs to provide more convenient and versatile options for users. However, with the development of optical hand shake (Optical Image Stabilization, OIS) technology, it is still an important issue to ensure the stability of the optical hand shake prevention mechanism and avoid structural anomalies while meeting the requirements of high performance and miniaturization. The optical hand vibration prevention spring piece is used as a supporting structure and is responsible for maintaining the natural center of the element and has the circuit function. However, during the optical anti-shake motion, the spring plate may buckle due to the compression, thereby affecting the mechanism operation. If the spring piece is downwards buckled, friction with the plastic piece can occur, the optical hand vibration prevention moving resistance is increased, and the driving effect of the driving component is further affected. Therefore, how to design an optical hand shake prevention mechanism that can avoid buckling of an optical hand shake prevention spring piece, promote stability of the mechanism, and ensure normal operation has become an important direction of current technical development. Disclosure of utility model An object of the present disclosure is to provide an optical element driving mechanism to solve at least one of the above problems. The disclosure provides an optical element driving mechanism, which comprises a first movable part, a fixed part and a first driving component, wherein the first movable part is used for connecting an optical element. The first movable part can move in a first movement range relative to the fixed part. The first driving component is used for driving the first movable part to move relative to the fixed part. According to some embodiments of the disclosure, the optical element driving mechanism further comprises a connection assembly, wherein the first movable portion is movable relative to the fixed portion via the connection assembly. According to some embodiments of the disclosure, the connecting assembly comprises a first connecting element, a second connecting element and a flexible part, wherein the first connecting element is at least partially fixedly connected with the fixed part, the second connecting element is at least partially fixedly connected with the first movable part, the second connecting end is movably connected with the first connecting end through the flexible part, a shortest first distance is reserved between the first connecting end and the second connecting end when the first connecting element is not affected by external force, and the distance between the first connecting end and the second connecting end is larger than the first distance when the first movable part is located at any position in the first movement range. According to some embodiments of the disclosure, the optical element driving mechanism has a first side, wherein the first connection end and the second connection end are located at the first side of the optical element driving mechanism when viewed along an optical axis, and wherein the first distance is less than half the length of the first side when viewed along the optical axis. According to some embodiments of the disclosure, the first driving component is configured to drive the first movable portion to move along a first direction relative to the fixed portion, where the first direction is not parallel to a thickness direction of the first connecting element having the plate-like structure. According to some embodiments of the disclosure, the first connecting end comprises a first surface, the second connecting end comprises a second surface, the first surface and the second surface face in the same direction, wherein the fixed portion comprises a first connecting portion, the first movable portion comprises a second connecting portion, the first surface of the first connecting end faces the first connecting portion of the fixed portion, and the second surface of the second connecting end faces the second connecting portion of the first movable portion. According to some embodiments of the disclosure, the first movable portion further includes a protruding portion, the second surface of the second connecting end is disposed on the protruding portion, and the protruding portion at least partially overlaps the first connecting portion when viewed along a direction parallel to the second surface. According to some embodiments of the present disclosure,