CN-224216932-U - Optical element driving mechanism

CN224216932UCN 224216932 UCN224216932 UCN 224216932UCN-224216932-U

Abstract

An optical element driving mechanism comprises a first movable part, a fixed part, a driving assembly and a first intermediate element. The first movable part is used for connecting the first optical element. The first movable part can move relative to the fixed part. The driving component is used for driving the first movable part to move relative to the fixed part. The first intermediate member is movably connected to the first movable portion.

Inventors

ZHANG JUNRONG
ZHAO KELUN
CHEN YIHE
SONG XINZHONG
SHEN WEIZHE
ZHUANG BOXIANG
Jian Ruida

Assignees

艾特电科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250210
Priority Date: 20240221

Claims (10)

1. An optical element driving mechanism, comprising: A first movable part for connecting a first optical element; The first movable part can move relative to the fixed part, the fixed part comprises an outer frame and a base, the base is arranged along a main shaft and comprises a base upper surface and a base lower surface, and the base upper surface and the base lower surface face opposite directions; A first driving component for driving the first movable part to move relative to the fixed part, the first driving component comprising a first magnetic element, a second magnetic element, a coil component comprising a first coil and a second coil, the first magnetic element and the first coil generating a first electromagnetic driving force, the second magnetic element and the second coil generating a second electromagnetic driving force, and The first intermediate element is movably connected with the first movable part and comprises a main body and a plurality of contact units, wherein the contact units are arranged on the main body and contact with the first movable part.
2. The optical element driving mechanism as claimed in claim 1, further comprising: a second movable part movably connected to the fixed part, and A second intermediate element movably connected to the second movable portion and the fixed portion; Wherein: The first middle element is movably connected with the second movable part; the first intermediate element is disposed between the first movable portion and the second movable portion.
3. The optical element driving mechanism according to claim 2, wherein, The first movable part comprises a plurality of first concave structures; the second movable part comprises a plurality of second concave structures; The plurality of contact units are arranged in the plurality of first concave structures and the plurality of second concave structures; The plurality of contact elements at least partially overlap the plurality of first recess structures and the plurality of second recess structures as viewed along the main axis.
4. The optical element driving mechanism according to claim 1, wherein, The optical element driving mechanism further includes: A first circuit unit arranged on the first movable part and corresponding to a second optical element; a second circuit unit disposed on the first circuit element and the base, and A third circuit unit embedded in the base and partially exposed from the base; Wherein: The first circuit unit is arranged between the outer frame and the base; the first circuit element is arranged between the outer frame and the base; the second circuit unit is arranged between the outer frame and the base; the third circuit unit is arranged between the outer frame and the base; The second optical element is electrically connected with an external device through the first circuit unit, the first circuit element, the second circuit unit and the third circuit unit in sequence.
5. The optical element driving mechanism according to claim 4, wherein, The first circuit unit is exposed out of the first circuit element; the second circuit unit is arranged on the upper surface of the base; The second circuit unit is exposed out of the first circuit element; the third circuit unit is exposed on the upper surface of the base and the lower surface of the base.
6. The optical element driving mechanism as claimed in claim 1, wherein the fixing portion further comprises: A cover body arranged on the outer frame; Wherein: The outer frame is arranged between the cover body and the base; in a direction perpendicular to the main axis, the maximum size of the cover is larger than the maximum size of the outer frame.
7. The optical element driving mechanism as recited in claim 6, further comprising: A first circuit unit disposed on the cover and corresponding to a second optical element, and A second circuit unit embedded in the cover; a third circuit unit disposed in the fixing portion; A fourth circuit unit disposed in the fixing portion, and And a plurality of elastic elements movably connected with the second optical element and the cover body.
8. The optical element driving mechanism according to claim 7, wherein, The first circuit unit is electrically connected with the second circuit unit; The first circuit unit includes: A first contact part arranged on the cover body; A second contact part arranged on the second optical element, and A string portion connecting the first contact portion and the second contact portion; the cover body comprises: a first protrusion extending along the main axis A second projection extending along the main axis, and An extension portion extends along the main shaft.
9. The optical element driving mechanism according to claim 8, wherein, The first contact part is arranged on the first protruding part; one of the plurality of elastic elements is arranged on the second protruding part; A plurality of the elastic elements are arranged on opposite sides of the optical element driving mechanism; the second circuit unit part is embedded in the extension part; the second circuit unit part is exposed out of the extension part; The first protruding part and the extending part extend in opposite directions; the second protruding part and the extending part extend in opposite directions; The extending direction of the first protruding part and the extending direction of the second protruding part are the same; the second optical element at least partially overlaps the second contact portion when viewed along the principal axis.
10. The optical element driving mechanism as recited in claim 9, wherein, The second contact part and the extension part are arranged at one side edge of the cover body as viewed along the main shaft; The first circuit unit is exposed out of the fixing part; the cover body is arranged between the first circuit unit and the outer frame in the extending direction of the main shaft; the coil component is electrically connected with an external device through the third circuit unit and the fourth circuit unit in sequence; The fourth circuit unit part is exposed out of the fixing part; The second circuit unit and the fourth circuit unit are arranged on different sides of the optical element driving mechanism.

Description

Optical element driving mechanism Technical Field The present disclosure relates to an optical element driving mechanism. Background With the development of technology, many electronic devices (such as smart phones or digital cameras) have a camera or video recording function. The use of these electronic devices is becoming more and more popular and is evolving towards a convenient and light-weight design that provides more options for the user. The electronic device with photographing or recording functions is generally provided with an optical element driving mechanism for driving an optical element (e.g. a lens) to move along an optical axis, so as to achieve an Auto Focus (AF) or optical anti-shake (Optical image stabilization, OIS) function. The light can be imaged onto the photosensitive element through the aforementioned optical element. However, the trend of the mobile device is to have smaller volume and higher durability, so how to effectively reduce the size of the optical element driving mechanism and improve the durability thereof is an important issue. Disclosure of utility model The present utility model is directed to an optical element driving mechanism for solving at least one of the above problems. The embodiment of the disclosure provides an optical element driving mechanism, which comprises a first movable part, a fixed part, a first driving component and a first intermediate element. The first movable part is used for connecting the first optical element. The first movable part can move relative to the fixed part. The first driving component is used for driving the first movable part to move relative to the fixed part. The first intermediate member is movably connected to the first movable portion. In some embodiments, the optical element driving mechanism further comprises a second movable portion and a second intermediate element. The second movable part is movably connected with the fixed part. The second intermediate member is movably connected to the second movable portion and the fixed portion. The first intermediate member is movably connected to the second movable portion. The first intermediate element is disposed between the first movable portion and the second movable portion. In some embodiments, the first intermediate member comprises a main body and a plurality of contact units, the plurality of contact units are arranged on the main body, the first movable portion comprises a plurality of first concave structures, the second movable portion comprises a plurality of second concave structures, the plurality of contact units are arranged in the plurality of first concave structures and the plurality of second concave structures, the fixed portion comprises a frame and a base, the frame and the base are arranged along a main shaft, and the plurality of contact units at least partially overlap with the plurality of first concave structures and the plurality of second concave structures when seen along the main shaft. In some embodiments, the optical element driving mechanism further comprises a first circuit unit disposed on the first movable portion and corresponding to a second optical element, a second circuit unit disposed on the first circuit element and the base, and a third circuit unit embedded in the base and partially exposed from the base, wherein the first circuit unit is disposed between the outer frame and the base, the first circuit element is disposed between the outer frame and the base, the second circuit unit is disposed between the outer frame and the base, the third circuit unit is disposed between the outer frame and the base, and the second optical element is electrically connected with an external device through the first circuit unit, the first circuit element, the second circuit unit and the third circuit unit in sequence. In some embodiments, the base comprises a base upper surface and a base lower surface, wherein the base upper surface and the base lower surface face opposite directions, the first circuit unit is exposed out of the first circuit element, the second circuit unit is arranged on the base upper surface, the second circuit unit is exposed out of the first circuit element, and the third circuit unit is exposed out of the base upper surface and the base lower surface. In some embodiments, the fixing portion includes an outer frame, a base arranged along a main axis with the outer frame, and a cover disposed on the outer frame, wherein the outer frame is disposed between the cover and the base, and a maximum dimension of the cover is greater than a maximum dimension of the outer frame in a direction perpendicular to the main axis. In some embodiments, the optical device further comprises a first circuit unit arranged on the cover body and corresponding to a second optical element, a second circuit unit embedded in the cover body, a third circuit unit arranged in the fixed part, a fourth circuit unit arranged in the fixed part, and a plura