Patent ID: 12206974

DETAILED DESCRIPTION OF THE INVENTION

The making and using of optical element driving mechanisms of embodiments of the present disclosure are discussed in detail below. It should be appreciated, however, that the embodiments provide many applicable inventive concepts that may be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the embodiments and do not limit the scope of the disclosure.

It should be understood that, although the terms “first”, “second” etc. may be used herein to describe various elements, layers and/or portions, and these elements, layers, and/or portions should not be limited by these terms. These terms are only used to distinguish one element, layer, or portion. Thus, a first element, layer or portion discussed below could be termed a second element, layer or portion without departing from the teachings of some embodiments of the present disclosure. In addition, for the sake of brevity, terms such as “first” and “second” may not be used in the description to distinguish different elements. As long as it does not depart from the scope defined by the appended claims, the first element and/or the second element described in the appended claims can be interpreted as any element that meets the description in the specification.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It should be appreciated that each term, which is defined in a commonly used dictionary, should be interpreted as having a meaning conforming to the relative skills and the background or the context of the present disclosure, and should not be interpreted in an idealized or overly formal manner unless defined otherwise.

The scale of the drawings in the present disclosure may be drawn according to the actual size. The scale of the same figure in the present disclosure can be used as the actual manufacturing scale of the devices, equipment, elements, etc. of the present disclosure. It should be noted that each figure may be drawn at different orientations, which may result in different size ratios among different figures. However, the size ratio shown in an individual figure is not affect by the different size ratios between different figures. People with ordinary skill in the art can understand that the size ratio of the figures in the present disclosure can be used as a distinguishing feature from the prior art.

Firstly, please refer toFIG.1,FIG.1is a schematic view of an electrical device1according to some embodiment of the present disclosure. As shown inFIG.1, an optical element driving mechanism100of some embodiment of the present disclosure may be mounted in an electrical device1for taking photos or videos, wherein the aforementioned electrical device1may, for example, be a smartphone or a digital camera, but the present disclosure is not limited to these. It should be noted that the position and the size between the optical element driving mechanism100and the electrical device1shown inFIG.1are only an example, which is not for limiting the position and the size between the optical element driving mechanism100and the electrical device1. In fact, according to different needs, the optical element driving mechanism100may be mounted at different positions in the electrical device1.

Please refer toFIG.2.FIG.2is a schematic view of the optical element driving mechanism100and an optical element OE according to some embodiments of the present disclosure, wherein the outer frame is shown as a dashed line.FIG.3is an exploded view of the optical element driving mechanism100according to some embodiments of the present disclosure.

As shown inFIG.2andFIG.3, the optical element driving mechanism100may include a fixed part10, a movable part20, a driving assembly30, an elastic assembly40, a sensing assembly50, a circuit assembly60, and a connecting assembly70.

As shown inFIG.2andFIG.3, the movable part20may be connected to the optical element OE, and the driving assembly30may drive the movable part20to move relative to the fixed part10.

The fixed part10includes an outer frame11, a base12, a fixed part magnetic conductive element13, and a fixed part elastic body14.

According to some embodiments of the present disclosure, the outer frame11may be disposed on the base12to form an inner space, which may accommodate the elements of the optical element driving mechanism100. According to some embodiments of the present disclosure, the fixed part magnetic conductive element13may be disposed on the base12, and the fixed part elastic body14may be disposed on the fixed part magnetic conductive element13.

The movable part20may include a holder21, a supporting element22, and a movable part magnet23. The holder21may hold the optical element OE, so that the optical element OE moves with the holder21. According to some embodiments of the present disclosure, the supporting element22may be connected to the holder21, and the movable part magnet23may be disposed on the holder21.

According to some embodiments of the present disclosure, the supporting element22may be fixedly connected to the holder21such that the supporting element22does not move relative to the holder21.

According to some embodiments of the present disclosure, the holder21may take the supporting element22as a fulcrum and move relative to the fixed part10around the first axis AX1and the second axis AX2.

According to some embodiments of the present disclosure, the first axis AX1may not be parallel to the second axis AX2. According to some embodiments of the present disclosure, the first axis AX1may be perpendicular to the second axis AX2. According to some embodiments of the present disclosure, for example, the first axis AX1may be parallel to the X axis, and the second axis AX2may be parallel to the Y axis.

The driving assembly30may include a piezoelectric assembly31. The piezoelectric assembly31may include a piezoelectric-assembly metal-plate311and a plurality of piezoelectric elements312. According to some embodiments of the present disclosure, the piezoelectric element312may be disposed on the piezoelectric-assembly metal-plate311.

The elastic assembly40may include an elastic assembly movable part connecting-portion41, an elastic assembly fixed part connecting-portion42, and an elastic assembly string portion43.

According to some embodiments of the present disclosure, the elastic assembly string portion43may be connected to the elastic assembly movable part connecting-portion41and the elastic assembly fixed part connecting-portion42.

The sensing element50may include a first sensing element51, a second sensing element52, a first sensing magnetic element53, and a second sensing magnetic element54.

According to some embodiments of the present disclosure, the first sensing element51may correspond to the first sensing magnetic element53, and the second sensing element52may correspond to the second sensing magnetic element54.

The circuit assembly60may include a circuit element61and a reinforcement assembly62. The circuit element61may include a circuit element first portion611and a circuit element second portion612. The reinforcement assembly62may include a first reinforcement element621and a second reinforcement element622. According to some embodiments of the present disclosure, the reinforcement assembly62may be disposed on the circuit element61.

According to some embodiments of the present disclosure, the circuit element first portion611may be parallel to the second axis AX2and the third axis AX3. According to some embodiments of the present disclosure, the circuit element first portion611may be perpendicular to the first axis AX1, and the circuit element first portion611may extend along the second axis AX2.

According to some embodiments of the present disclosure, the circuit element second portion612may be parallel to the first axis AX1and the third axis AX3. According to some embodiments of the present disclosure, the circuit element second portion612may be perpendicular to the second axis AX2, and the circuit element second portion612may extend along the first axis AX1.

According to some embodiments of the present disclosure, the third axis AX3may not be parallel to the first axis AX1or the second axis AX2. According to some embodiments of the present disclosure, the third axis AX3may be perpendicular to the first axis AX1and the second axis AX2. According to some embodiments of the present disclosure, for example, the third axis AX3may be parallel to the Z axis.

The connecting assembly70may include an insulating glue71, and a soft glue72.

Please refer toFIG.4,FIG.4is a cross-sectional view of the optical element driving mechanism100and the optical element OE along line A-A′ ofFIG.2, according to some embodiments of the present disclosure.

As shown inFIG.4, the supporting element22may be disposed between the holder21and the piezoelectric assembly31. According to some embodiments of the present disclosure, the piezoelectric-assembly metal-plate311may be disposed between the supporting element22and the piezoelectric element312.

Please continue to refer toFIG.4, according to some embodiments of the present disclosure, the supporting element22may be in contact with the piezoelectric-assembly metal-plate311of the piezoelectric element31. As shown inFIG.4, the supporting element22may have a spherical shape, and the supporting element22may not be fixed to the piezoelectric-assembly metal-plate311.

Please refer toFIG.4, according to some embodiments of the present disclosure, the piezoelectric-assembly metal-plate311may have a piezoelectric-assembly metal-plate through-hole311a. The piezoelectric-assembly metal-plate through-hole311amay have a chamfered structure311a′, and the supporting element22may be in contact with the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311a.

Therefore, when the metal plate311of the piezoelectric assembly produces a peristaltic movement, the supporting element22may move at the same time, so that the holder21and the optical element OE move relative to the fixed part10. Also, the movement efficiency of the supporting element22may also be increased.

As shown inFIG.4, according to some embodiments of the present disclosure, the second sensing element52may correspond to the second sensing magnetic element54. That is, the second sensing element52may be disposed close to the second sensing magnetic element54, and the second sensing element52may be disposed facing the second sensing magnetic element54.

Please refer toFIG.4, according to some embodiments of the present disclosure, the second sensing magnetic element54may be disposed between the holder21and the second sensing element52. According to some embodiments of the present disclosure, the holder21, the second sensing magnetic element54and the second sensing element52may be arranged along the first axis AX1.

According to some embodiments of the present disclosure, the holder21, the second sensing magnetic element54and the second sensing element52may at least partially overlap when viewed along the first axis AX1. According to some embodiments of the present disclosure, the movable part20and the second sensing element52may not overlap when viewed along the second axis AX2.

As shown inFIG.4, according to some embodiments of the present disclosure, the second sensing magnetic element54may be disposed on the holder21, so that the second sensing element52may sense the movement of the holder21of the movable part20and the optical element OE around the second axis AX2relative to the fixed part10.

Please continue to refer toFIG.4, according to some embodiments of the present disclosure, the elastic assembly40may be disposed between the outer frame11of the fixed part10and the holder21of the movable part20. According to some embodiments of the present disclosure, the elastic assembly40may be disposed between the holder21and the piezoelectric assembly31of the driving assembly30.

As shown inFIG.4, according to some embodiments of the present disclosure, the elastic assembly movable part connecting-portion41of the elastic assembly40may be fixedly connected to the holder21of the movable part20. According to some embodiments of the present disclosure, the elastic assembly fixed part connecting-portion42(may refer toFIG.5) of the elastic assembly40may be fixedly connected to the base12of the fixed part10.

According to some embodiments of the present disclosure, the elastic assembly movable part connecting-portion41and the elastic assembly and the elastic assembly fixed part connecting-portion42may not overlap each other when viewed along the first axis AX1. According to some embodiments of the present disclosure, the elastic assembly movable part connecting-portion41and the elastic assembly and the elastic assembly fixed part connecting-portion42may not overlap each other when viewed along the second axis AX2.

According to some embodiments of the present disclosure, the elastic assembly movable part connecting-portion41and the elastic assembly and the elastic assembly fixed part connecting-portion42may not overlap each other when viewed along the third axis AX3.

Please continue to refer toFIG.4, the fixed part elastic body14may be disposed on the fixed part magnetic conductive element13. According to some embodiments of the present disclosure, the fixed part elastic body14may correspond to the supporting element22and the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311a. That is, the fixed part elastic body14and the supporting element22and the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311amay at least partially overlap each other when viewed along the third axis AX3.

In this way, the supporting element22may be firmly abutted against the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311a, so as to increase the stability of the optical element driving mechanism100.

As shown inFIG.4, according to some embodiments of the present disclosure, the fixed part elastic body14may be disposed between the piezoelectric assembly31and the fixed part magnetic conductive element13. According to some embodiments of the present disclosure, the fixed part magnetic conductive element13may be disposed between the fixed part elastic body14and the outer frame11.

According to some embodiments of the present disclosure, the elastic body14of the fixed part and the supporting element22may be disposed on both sides of the piezoelectric-assembly metal-plate through-hole311a, respectively. According to some embodiments of the present disclosure, the piezoelectric element312may be disposed between the piezoelectric-assembly metal-plate311and the fixed part magnetic conductive element13. According to some embodiments of the present disclosure, the chamfered structure311a′ and the piezoelectric element312may be disposed on both sides of the piezoelectric-assembly metal-plate311.

According to some embodiments of the present disclosure, the piezoelectric element312may be disposed between the piezoelectric-assembly metal-plate311and the fixed part elastic body14(not shown inFIG.4).

As shown inFIG.4, according to some embodiments of the present disclosure, when viewed along the third axis AX3, the fixed part elastic body14may at least partially overlap the supporting element22and the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311a.

According to some embodiments of the present disclosure, the fixed part elastic body14may have higher flexibility than the fixed part magnetic conductive element13(in other words, the fixed part elastic body14may be softer than the fixed part magnetic conductive element13), and the fixed part elastic body14may include plastic or rubber.

In this way, the supporting element22may be firmly abutted against the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311a, so as to increase the stability of the optical element driving mechanism100.

Please refer toFIG.4, according to some embodiments of the present disclosure, the piezoelectric assembly31and the holder21and the optical element OE may not overlap each other when viewed along the second axis AX2. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the first axis AX1.

According to some embodiments of the present disclosure, the piezoelectric assembly31may overlap the optical element OE when viewed along the third axis AX3. However, the present disclosure is not limited thereto, and the present disclosure may have different dispositions of the piezoelectric element31, the holder21and the optical element OE.

Please refer toFIG.5,FIG.5is a cross-sectional view of the optical element driving mechanism100and the optical element OE along line B-B′ ofFIG.2, according to some embodiments of the present disclosure.

As shown inFIG.5, according to some embodiments of the present disclosure, the movable part magnet23may correspond to the fixed part magnetic conductive element13. That is to say, the movable part magnet23may be disposed facing the fixed part magnetic conductive element13.

According to some embodiments of the present disclosure, the movable part magnet23may be disposed on the holder21of the movable part20. According to some embodiments of the present disclosure, the movable part magnet23may be disposed between the holder21and the fixed part magnetic conductive element13.

In this way, by virtue of the magnetic attraction between the movable part magnet23and the fixed part magnetic conductive element13, the supporting element22of the movable part20may abut against the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric assembly31.

According to some embodiments of the present disclosure, the fixed part magnetic conductive element13may have a magnetic conductive material, such as metal or metal alloy.

According to some embodiments of the present disclosure, the elastic assembly40may be disposed between the movable part magnet23and the fixed part magnetic conductive element13. As shown inFIG.5, the elastic assembly string portion43of the elastic assembly40may be disposed between the movable part magnet23and the fixed part magnetic conductive element13.

According to some embodiments of the present disclosure, the magnetic conductivity of the elastic assembly40is lower than the magnetic conductivity of the fixed part magnetic conductive element13. In this way, the elastic assembly40will not be affected by the magnetic attraction force of the movable part magnet23, thereby preventing the elastic assembly40from being deformed due to the magnetic attraction force of the movable part magnet23.

According to some embodiments of the present disclosure, the movable part20may include two movable part magnets23, and the supporting element22may be located between the two movable part magnets23when viewed along the third axis AX3.

Please continue to refer toFIG.5, according to some embodiments of the present disclosure, the first sensing element51may correspond to the first sensing magnetic element53. That is, the first sensing element51may be disposed close to the first sensing magnetic element53, and the first sensing element51may be disposed facing the first sensing magnetic element53.

Please refer toFIG.5, according to some embodiments of the present disclosure, the first sensing magnetic element53may be disposed between the holder21and the first sensing element51. According to some embodiments of the present disclosure, the holder21, the first sensing magnetic element53and the first sensing element51may be disposed along the second axis AX2.

According to some embodiments of the present disclosure, the holder21, the first sensing magnetic element53and the first sensing element51may at least partially overlap each other when viewed along the second axis AX2. According to some embodiments of the present disclosure, the movable part20may not overlap the first sensing element51when viewed along the third axis AX3.

As shown inFIG.5, according to some embodiments of the present disclosure, the first sensing magnetic element53may be disposed on the holder21, so that the first sensing element51may sense the movement of the holder21of the movable part20and the optical element OE around the first axis AX1relative to the fixed part10.

According to some embodiments of the present disclosure, the elastic assembly movable part connecting-portion41(FIG.4) and the elastic assembly fixed part connecting-portion42(FIG.5) of the elastic assembly40are not located on the same plane, so that the elastic assembly40has a pre-pressure. Therefore, the configuration of the elastic assembly40may allow the supporting element22of the movable part20to abut against the chamfered structure311a′ of the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric element31.

Please refer toFIG.6,FIG.6is a cross-sectional view of the optical element driving mechanism100and the optical element OE along line C-C′ ofFIG.2, according to some embodiments of the present disclosure.

As shown inFIG.6, according to some embodiments of the present disclosure, the piezoelectric-assembly metal-plate311of the piezoelectric assembly31may be parallel to the first axis AX1and the second axis AX2, and the piezoelectric-assembly metal-plate311may be perpendicular to the third axis AX3. According to some embodiments of the present disclosure, the piezoelectric assembly31may include four piezoelectric elements312.

According to some embodiments of the present disclosure, the piezoelectric element312may be disposed on the piezoelectric-assembly metal-plate311, and the piezoelectric element312may surround the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric-assembly metal-plate311. According to some embodiments of the present disclosure, the piezoelectric element312and the piezoelectric-assembly metal-plate through-hole311amay not overlap each other when viewed along the third axis AX3.

Please refer toFIG.6, according to some embodiments of the present disclosure, the piezoelectric element312may be axisymmetric with the first axis AX1as the axis of symmetry. According to some embodiments of the present disclosure, the piezoelectric element312may be axisymmetric with the second axis AX2as the axis of symmetry. However, it should be noted that the disposition of piezoelectric elements312does not necessarily be axisymmetric.

According to some embodiments of the present disclosure, the piezoelectric element312may be rotationally symmetric with the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric-assembly metal-plate311as the rotational symmetry center. However, it should be noted that the disposition of piezoelectric elements312does not necessarily be rotational symmetric.

As shown inFIG.6, the base12may include a base body121, a metal wire122, a first-base protruding-portion123, a second-base protruding-portion124, and a third-base protruding-portion125.

According to some embodiments of the present disclosure, the metal wire122may be embedded in the base body121, and the piezoelectric assembly31may be electrically connected to the circuit element61of the circuit assembly60via the metal wire122.

Please refer toFIG.6, according to some embodiments of the present disclosure, the first-base protruding-portion123may extend from the base body121toward the piezoelectric assembly31along the first axis AX1, and the first-base protruding-portion123may be in contact with the piezoelectric assembly31.

According to some embodiments of the present disclosure, the second-base protruding-portion124may extend from the base body121toward the piezoelectric assembly31along the second axis AX2, and the second-base protruding-portion124may be in contact with the piezoelectric assembly31.

According to some embodiments of the present disclosure, the third-base protruding-portion125may extend from the base body121toward the piezoelectric assembly31along the second axis AX2, and the third-base protruding-portion125may be in contact with the piezoelectric assembly31.

Therefore, the first-base protruding-portion123, the second-base protruding-portion124, and the third-base protruding-portion125may abut against and support the piezoelectric assembly31.

According to some embodiments of the present disclosure, the extending direction of the third-base protruding-portion125may be opposite to the extending direction of the second-base protruding-portion124.

As shown inFIG.6, according to some embodiments of the present disclosure, the first-base protruding-portion123, the second-base protruding-portion124, and the third-base protruding-portion125may not overlap each other when viewed along the first axis AX1. According to some embodiments of the present disclosure, the first-base protruding-portion123, the second-base protruding-portion124, and the third-base protruding-portion125may not overlap each other when viewed along the third axis AX3.

According to some embodiments of the present disclosure, the first-base protruding-portion123and the second-base protruding-portion124may not overlap each other when viewed along the second axis AX2. According to some embodiments of the present disclosure, the first-base protruding-portion123and the third-base protruding-portion125may not overlap each other when viewed along the second axis AX2. According to some embodiments of the present disclosure, the second-base protruding-portion124and the third-base protruding-portion125may at least partially overlap when viewed along the second axis AX2.

Please continue to refer toFIG.6, the first-base protruding-portion123may include a first-base protruding-portion first-protrusion1231, a first-base protruding-portion second-protrusion1232, and a first-base protruding-portion third-protrusion1233.

According to some embodiments of the present disclosure, the first-base protruding-portion first-protrusion1231may be disposed between the first-base protruding-portion second-protrusion1232and the first-base protruding-portion third-protrusion1233.

According to some embodiments of the present disclosure, in the first axis AX1, the length1231aof the first-base protruding-portion first-protrusion1231may be greater than the length1232aof the first-base protruding-portion second-protrusion1232and the length1233aof the first-base protruding-portion third-protrusion1233.

According to some embodiments of the present disclosure, the first-base protruding-portion first-protrusion1231may at least partially overlap the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric-assembly metal-plate311when viewed along the first axis AX1.

As shown inFIG.6, according to some embodiments of the present disclosure, the soft glue72may be disposed between the first-base protruding-portion first-protrusion1231and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the first-base protruding-portion second-protrusion1232and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the first-base protruding-portion third-protrusion1233and the piezoelectric assembly31.

Therefore, the first-base protruding-portion first-protrusion1231may be used as a main element that supports the piezoelectric assembly31, and the first-base protruding-portion second-protrusion1232and the first-base protruding-portion third-protrusion1233may be used as secondary elements that support the piezoelectric assembly31.

In this way, the piezoelectric assembly31may be stably fixed, so as to increase the stability of the optical element driving mechanism100and achieve the effect of miniaturization.

Please continue to refer toFIG.6, the second-base protruding-portion124may include a second-base protruding-portion first-protrusion1241, a second-base protruding-portion second-protrusion1242, and a second-base protruding-portion third-protrusion1243.

According to some embodiments of the present disclosure, the second-base protruding-portion first-protrusion1241may be disposed between the second-base protruding-portion second-protrusion1242and the second-base protruding-portion third-protrusion1243.

According to some embodiments of the present disclosure, in the second axis AX2, the length1241aof the second-base protruding-portion first-protrusion1241is greater than the length1242aof the second-base protruding-portion second-protrusion1242and the length1243aof the second-base protruding-portion third-protrusion1243.

According to some embodiments of the present disclosure, the second-base protruding-portion first-protrusion1241may at least partially overlap the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric-assembly metal-plate311when viewed along the second axis AX2.

As shown inFIG.6, according to some embodiments of the present disclosure, the soft glue72may be disposed between the second-base protruding-portion first-protrusion1241and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the second-base protruding-portion second-protrusion1242and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the second-base protruding-portion third-protrusion1243and the piezoelectric assembly31.

Therefore, the second-base protruding-portion first-protrusion1241may be used as a main element that supports the piezoelectric assembly31, and the second-base protruding-portion second-protrusion1242and the second-base protruding-portion third-protrusion1243may be used as secondary elements that support the piezoelectric assembly31.

In this way, the piezoelectric assembly31may be stably fixed, so as to increase the stability of the optical element driving mechanism100and achieve the effect of miniaturization.

Please continue to refer toFIG.6, the third-base protruding-portion125may include a third-base protruding-portion first protrusion1251, a third-base protruding-portion second protrusion1252, and a third-base protruding-portion third protrusion1253.

According to some embodiments of the present disclosure, the third-base protruding-portion first protrusion1251may be disposed between the third-base protruding-portion second protrusion1252and the third-base protruding-portion third protrusion1253.

According to some embodiments of the present disclosure, in the second axis AX2, the length1251aof the third-base protruding-portion first protrusion1251is greater than the length1252aof the third-base protruding-portion second protrusion1252and the length1253aof the third-base protruding-portion third protrusion1253.

According to some embodiments of the present disclosure, the third-base protruding-portion first protrusion1251may at least partially overlap the piezoelectric-assembly metal-plate through-hole311aof the piezoelectric-assembly metal-plate311when viewed along the second axis AX2.

As shown inFIG.6, according to some embodiments of the present disclosure, the soft glue72may be disposed between the third-base protruding-portion first protrusion1251and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the third-base protruding-portion second protrusion1252and the piezoelectric assembly31.

According to some embodiments of the present disclosure, the soft glue72may not be disposed between the third-base protruding-portion third protrusion1253and the piezoelectric assembly31.

Therefore, the third-base protruding-portion first protrusion1251may be used as a main element that supports the piezoelectric assembly31, and the third-base protruding-portion second protrusion1252and the third-base protruding-portion third protrusion1253may be used as secondary elements that support the piezoelectric assembly31.

In this way, the piezoelectric assembly31may be stably fixed, so as to increase the stability of the optical element driving mechanism100and achieve the effect of miniaturization.

Please refer toFIG.7,FIG.7is a cross-sectional view of the optical element driving mechanism100and the optical element OE along line D-D′ ofFIG.2, according to some embodiments of the present disclosure.

As shown inFIG.7, according to some embodiments of the present disclosure, the piezoelectric element312and the fixed part elastic body14may not overlap each other when viewed along the third axis AX3. According to some embodiments of the present disclosure, the fixed part elastic body14and the centers312aof the respective piezoelectric elements312may not overlap each other when viewed along the third axis AX3. In this way, the deformation of the piezoelectric element312may be prevented from being affected by the fixed part elastic body14.

According to some embodiments of the present disclosure, the respective piezoelectric elements312may be electrically connected to the circuit elements61of the circuit assembly60by respective metal wires122. According to some embodiments of the present disclosure, the insulating glue71may be disposed between the piezoelectric elements312to avoid the electrical connection between the piezoelectric elements312.

However, it should be noted that the piezoelectric elements312may share a ground wire. In this way, the number of elements required by the optical element driving mechanism100may be reduced, thereby achieving the effect of miniaturization.

According to some embodiments of the present disclosure, the respective voltages applied to the respective piezoelectric elements312may have different phases, so that the respective piezoelectric elements312and the piezoelectric-assembly metal-plate311of the piezoelectric assembly31generate a peristaltic movement, so as to move the supporting element22.

That is to say, the above configuration makes the piezoelectric-assembly metal-plate311corresponding to the respective piezoelectric elements312(which may be attached or contacted) are located on the same or different planes, so that the supporting element22is in contact with different parts of the piezoelectric-assembly metal-plate311, which in turn drives the supporting element22to move.

Please refer toFIG.8,FIG.8is a cross-sectional view of the optical element driving mechanism100and the optical element OE along line E-E′ ofFIG.2, according to some embodiments of the present disclosure.

As shown inFIG.8, according to some embodiments of the present disclosure, the first sensing element51may be disposed on the circuit element second portion612of the circuit element61, and the second sensing element52may be disposed on the circuit element first portion611.

In this way, the structure of the circuit element61may be enhanced, thereby improving the stability of the optical element driving mechanism100.

According to some embodiments of the present disclosure, the first sensing element51may be disposed between the circuit element second portion612and the first sensing magnetic element53, and the second sensing element52may be disposed between the circuit element first portion611and the second sensing magnetic element54.

Please continue to refer toFIG.8, according to some embodiments of the present disclosure, the first reinforcement element621may be disposed on the circuit element first portion611, and the second reinforcement element622may be disposed on the circuit element second portion612.

According to some embodiments of the present disclosure, the circuit element first portion611may be disposed between the holder21and the first reinforcement element621, and the circuit element second portion612may be disposed between the holder21and the second reinforcement element622.

According to some embodiments of the present disclosure, the circuit element first portion611may be disposed between the second sensing magnetic element54and the first reinforcement element621, and the circuit element second portion612may be disposed between the first sensing magnetic element53and the second reinforcement element622.

In this way, the structure of the optical element driving mechanism100may be enhanced, and thereby improving the stability of the optical element driving mechanism100.

According to some embodiments of the present disclosure, the circuit element61may directly receive an external current to drive the internal elements of the optical element driving mechanism100. According to some embodiments of the present disclosure, after the circuit element61directly receives the external current, it may transmit the current to the metal wire122embedded in the base body121.

Therefore, it should be noted that the base12and the circuit element61are different elements. Moreover, according to some embodiments of the present disclosure, the metal wires122of the base12do not directly receive external current.

Please refer toFIG.9A,FIG.9Ais a schematic view of the configuration of a piezoelectric assembly31of the optical element driving mechanism100and the optical element OE according to some embodiments of the present disclosure.

As shown inFIG.9A, according to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may be arranged along the third axis AX3.

The piezoelectric assembly31may at least partially overlap the optical element OE when viewed along the third axis AX3. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the first axis AX1. The piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the second axis AX2.

In this way, the height of the optical element driving mechanism100in the first axis AX1may be reduced, and the width of the optical element driving mechanism100in the second axis AX2may be reduced.

Please refer toFIG.9B,FIG.9Bis a schematic view of the configuration of the piezoelectric assembly31of the optical element driving mechanism100and the optical element OE according to some embodiments of the present disclosure.

As shown inFIG.9B, according to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may be arranged along the first axis AX1.

According to some embodiments of the present disclosure, the piezoelectric assembly31may at least partially overlap the optical element OE when viewed along the first axis AX1. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the second axis AX2. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the third axis AX3.

In this way, the width of the optical element driving mechanism100in the second axis AX2may be reduced, and the length of the optical element driving mechanism100in the third axis AX3may be reduced.

Please refer toFIG.9C,FIG.9Cis a schematic view of the configuration of the piezoelectric assembly31of the optical element driving mechanism100and the optical element OE according to some embodiments of the present disclosure.

As shown inFIG.9C, according to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may be arranged along the second axis AX2.

According to some embodiments of the present disclosure, the piezoelectric assembly31may at least partially overlap the optical element OE when viewed along the second axis AX2. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the first axis AX1. According to some embodiments of the present disclosure, the piezoelectric assembly31and the optical element OE may not overlap each other when viewed along the third axis AX3.

In this way, the height of the optical element driving mechanism100in the first axis AX1may be reduced, and the length of the optical element driving mechanism100in the third axis AX3may be reduced.

Please refer toFIG.10A,FIG.10Ais a schematic view of the configuration of the piezoelectric assembly31of the optical element driving mechanism100according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the piezoelectric elements312of the piezoelectric assembly31may be arranged in four corners, and the piezoelectric elements312do not cover the piezoelectric-assembly metal-plate through-hole311a.

According to some embodiments of the present disclosure, the piezoelectric element312may cover most of the piezoelectric-assembly metal-plate311. In this way, when the piezoelectric assembly31receives the same current, it may have a larger displacement, thereby achieving higher motion efficiency.

Please refer toFIG.10B,FIG.10Bis a schematic view of the configuration of the piezoelectric assembly31of the optical element driving mechanism100according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the piezoelectric elements312of the piezoelectric assembly31may be arranged symmetrically on four sides, and the piezoelectric elements312do not cover the piezoelectric-assembly metal-plate through-hole311a.

According to some embodiments of the present disclosure, the piezoelectric element312may only cover part of the edge portion of the piezoelectric-assembly metal-plate311. In this way, when the piezoelectric assembly31receives the same current, it may have a fine displacement amount, thereby achieving the effect of precise control.

Please refer toFIG.10C,FIG.10Cis a schematic view of the configuration of the piezoelectric assembly31of the optical element driving mechanism100according to some embodiments of the present disclosure.

According to some embodiments of the present disclosure, the piezoelectric elements312of the piezoelectric assembly31may be arranged in rotational symmetry, and the piezoelectric elements312do not cover the piezoelectric-assembly metal-plate through-hole311a.

According to some embodiments of the present disclosure, the piezoelectric element312may only cover part of the edge portion of the piezoelectric-assembly metal-plate311. In this way, the piezoelectric assembly31may be free of motion nodes, thereby increasing the stability of the optical element driving mechanism100.

In general, the optical element driving mechanism of the embodiment of the present disclosure may have the effects of miniaturization, improved stability, increased motion efficiency, and increased motion accuracy, so that the user may smoothly operate the optical element driving mechanism.

Although embodiments of the present disclosure and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations may be made herein without departing from the spirit and scope of the disclosure as defined by the appended claims. For example, it will be readily understood by those skilled in the art that many of the features, functions, processes, and materials described herein may be varied while remaining within the scope of the present disclosure. Moreover, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, manufacture, composition of matter, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present disclosure, processes, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed, that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present disclosure. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps. In addition, the scope of the present disclosure is defined by the scope of the appended claims. In addition, each scope of the claims is constructed as a separate embodiment, and various combinations of the claims and combinations of embodiments are within the scope of the present disclosure.