Optical element driving mechanism

Abstract

An optical element driving mechanism comprises a first movable part, a fixed part and a driving assembly. The first movable part is used for connecting an optical element. The first movable part can move relative to the fixed part. The driving assembly is used for driving the first movable part to move. In addition, the optical element driving mechanism further comprises a stabilizing assembly which enables the first movable part to be close to the fixed part.

Description

Technical Field

[0001] This utility model relates to an optical element driving mechanism, and more particularly to an optical element driving mechanism including a stabilizing component. Background Technology

[0002] With technological advancements, electronic devices are becoming increasingly prevalent. Especially those with photographic or video recording capabilities, such as mobile phones and laptops, have gradually become an indispensable part of daily life. Currently, these electronic devices typically incorporate optical element drive mechanisms with autofocus (AF) and / or optical image stabilization (OIS) functions to achieve higher-quality photography. However, in terms of stability and other aspects, existing optical element drive mechanisms still have room for improvement. Utility Model Content

[0003] The purpose of this invention is to provide an optical element driving mechanism to solve at least one of the above-mentioned problems.

[0004] Some embodiments of this utility model provide an optical element driving mechanism, including: a first movable part, a fixed part, and a driving assembly. The first movable part is used to connect to an optical element. The first movable part is movable relative to the fixed part. The driving assembly is used to drive the first movable part to move.

[0005] In some embodiments, the optical element driving mechanism further includes a stabilizing component that brings the first movable part closer to the fixed part, and includes a first stabilizing element, a second stabilizing element, and a third stabilizing element. The second stabilizing element corresponds to the first stabilizing element to generate a first stabilizing force. The third stabilizing element corresponds to the first stabilizing element to generate a second stabilizing force. The sum of the first stabilizing force and the second stabilizing force is defined as a first total force. When the first movable part is in a first position, the intensity of the first total force and the relative position of the first movable part and the fixed part define a first slope.

[0006] In some embodiments, when the first movable part is in a second position, the intensity of the first total force and the relative position of the first movable part and the fixed part define a second slope.

[0007] In some embodiments, the first slope and the second slope are different; wherein the value of the first slope is greater than the value of the second slope; and the ratio of the value of the first slope to the value of the second slope is at least greater than 1.3.

[0008] In some embodiments, the driving component is used to drive the first movable part to move within a first range of motion in a first dimension; the first position and the second position are both located within the first range of motion; the first position is closer to the center of the first range of motion than the second position.

[0009] In some embodiments, when the driving component does not drive the first movable part to move, the first movable part is located within a first preset range; the first range of motion includes the first preset range; the first preset range includes the center of the first range of motion; the ratio of the first range of motion to the first preset range is less than 1.3.

[0010] In some embodiments, when the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is different from the strength of the second stabilizing force; when the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is greater than the strength of the second stabilizing force.

[0011] In some embodiments, the stabilizing component further includes: a fourth stabilizing element; a fifth stabilizing element corresponding to the fourth stabilizing element to generate a third stabilizing force; and a sixth stabilizing element corresponding to the fourth stabilizing element to generate a fourth stabilizing force; the sum of the third stabilizing force and the fourth stabilizing force is defined as a second total force.

[0012] In some embodiments, the drive component can be used to drive the first movable part to move within a second range of motion in a second dimension; when the first movable part is located at the center of the first range of motion, the absolute value of the difference between the first stabilizing force and the second stabilizing force is different from the absolute value of the difference between the third stabilizing force and the fourth stabilizing force when the first movable part is located at the center of the second range of motion.

[0013] In some embodiments, when the first movable part is located at the center of the first range of motion, the absolute value of the difference between the first stabilizing force and the second stabilizing force is greater than the absolute value of the difference between the third stabilizing force and the fourth stabilizing force when the first movable part is located at the center of the second range of motion.

[0014] In some embodiments, when the first movable part is located at the center of the second range of motion, the strength of the third stabilizing force is different from the strength of the fourth stabilizing force; when the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is greater than the strength of the second stabilizing force.

[0015] In some embodiments, the first stabilizing element further includes: a first surface facing the second stabilizing element; a second surface facing a first driving element of the driving assembly; the first surface and the second surface facing different directions; the shortest distance between the first driving element and the second stabilizing element is different from the shortest distance between the first driving element and the third stabilizing element; the shortest distance between the first driving element and the second stabilizing element is less than the shortest distance between the first driving element and the third stabilizing element.

[0016] In some embodiments, when viewed along a second axis perpendicular to the first surface, the first driving element and the second stabilizing element at least partially overlap.

[0017] In some embodiments, a gap exists between the second stabilizing element and the third stabilizing element; the first stabilizing element has a first surface facing the second stabilizing element; when viewed along a first axis parallel to the first surface, the second stabilizing element and the third stabilizing element at least partially overlap; when viewed along a second axis perpendicular to the first surface, the second stabilizing element and the third stabilizing element do not overlap.

[0018] In some embodiments, the stabilizing component further includes: a first fixing structure for fixing the first stabilizing element, the second stabilizing element, or the third stabilizing element; the first fixing structure is made of resin; and the first fixing structure is at least partially located between the first stabilizing element and the second stabilizing element.

[0019] In some embodiments, it further includes: a first support component, wherein the first movable portion is movable relative to the fixed portion via the first support component, and the first support component includes: a first body movable relative to the fixed portion and the first movable portion, wherein the first body is at least partially located between the first stabilizing element and the second stabilizing element.

[0020] In some embodiments, the first body is made of metal; the magnetic permeability of the first body is less than the magnetic permeability of the first stabilizing element; and the magnetic permeability of the first body is less than the magnetic permeability of the second stabilizing element.

[0021] In some embodiments, it further includes: a first intermediate element disposed on the first body; a first corresponding portion corresponding to the first intermediate element and movable relative to the first intermediate element, wherein the first corresponding portion has a first groove having an elongated structure;

[0022] A second intermediate element is disposed on the first body; and a second corresponding portion corresponds to the second intermediate element and is movable relative to the second intermediate element; the second corresponding portion has a second groove with an elongated structure; the first intermediate element and the second intermediate element have an integrally formed structure.

[0023] In some embodiments, it further includes: a second movable part connected to the first movable part and the fixed part, and movable relative to the first movable part and the fixed part.

[0024] In some embodiments, it further includes: a second support assembly, wherein the second movable portion is movable relative to the fixed portion via the second support assembly, and the second support assembly includes: at least one intermediate element movable relative to the fixed portion and the second movable portion, wherein the at least one intermediate element and the stabilizing assembly are respectively located on different sides of the optical element driving mechanism.

[0025] The beneficial effect of this invention is that it provides an optical element driving mechanism including a stabilizing component. By setting the stabilizing component, the first movable part can be brought closer to the fixed part, thereby controlling the first movable part within the desired position range even without power, thus improving the stability of the optical element driving mechanism. Furthermore, the distance and position between the stabilizing elements of the stabilizing component, or the shape or number of the stabilizing elements, can be adjusted to optimize the stability of the optical element driving mechanism. Attached Figure Description

[0026] The concept of embodiments of this utility model will be better understood by referring to the following detailed description and the accompanying drawings. It should be noted that, according to standard industry practice, the various features in the drawings are not necessarily drawn to scale. In fact, the dimensions of various features may be arbitrarily enlarged or reduced for clarity. Similar features are designated with similar reference numerals throughout the specification and drawings.

[0027] Figure 1 A perspective view of an optical element driving mechanism according to some embodiments of the present invention is shown.

[0028] Figure 2 An exploded view of an optical element driving mechanism according to some embodiments of the present invention is shown.

[0029] Figure 3 A perspective view showing the internal structure of an optical element driving mechanism according to some embodiments of the present invention.

[0030] Figure 4 A perspective view showing the internal structure of an optical element driving mechanism according to some embodiments of the present invention.

[0031] Figure 5A perspective view showing the internal structure of an optical element driving mechanism according to some embodiments of the present invention.

[0032] Figure 6 A perspective view showing the internal structure of an optical element driving mechanism according to some embodiments of the present invention.

[0033] Figure 7 A perspective view of a stabilizing component according to some embodiments of the present invention is shown.

[0034] Figure 8 A bottom view of a stabilizing component according to some embodiments of the present invention is shown.

[0035] Figure 9 A diagram showing the relationship between the strength of the first total force generated by the stabilizing component according to some embodiments of the present invention and the relative positions of the first movable part and the fixed part is shown.

[0036] The attached figures are labeled as follows:

[0037] 100: Optical element drive mechanism

[0038] 110: Outer shell

[0039] 111: Top surface

[0040] 112: Sidewall

[0041] 120: Base

[0042] 121: Bracket

[0043] 130: First Activities Department

[0044] 140: Second Activities Department

[0045] 150: Driver Components

[0046] 151: Circuit Board

[0047] 152: Circuit Board

[0048] 153: Circuit Board

[0049] 155: Magnetic Components

[0050] 158: Position sensing element

[0051] 159: Electronic Components

[0052] 160: Stabilizing Components

[0053] 161: First stabilizing element (magnetic element)

[0054] 161A: First Pole

[0055] 161B: Second Pole

[0056] 162: Second stabilizing element

[0057] 163: Third stabilizing element

[0058] 164: Fourth stabilizing element (magnetic element)

[0059] 164A: First Pole

[0060] 164B: Second Pole

[0061] 165: Fifth stabilizing element

[0062] 166: Sixth stabilizing element

[0063] 170: First support component

[0064] 171:First body

[0065] 172: First intermediate element

[0066] 173: First Corresponding Part

[0067] 173R: First trench

[0068] 174: Second intermediate element

[0069] 175: Second Corresponding Part

[0070] 175R: Second Groove

[0071] 180: Second support component

[0072] 181: Intermediate Components

[0073] 190: Fasteners

[0074] 195: Buffer

[0075] C: Central axis

[0076] F: Fixing part

[0077] S1: First slope

[0078] S2: Second slope Detailed Implementation

[0079] The following describes the optical element driving mechanism of an embodiment of the present invention. However, it will be readily apparent that the embodiments of the present invention provide many suitable inventive concepts and can be implemented in a wide range of specific contexts. The specific embodiments disclosed are merely illustrative of the use of the present invention in a particular manner and are not intended to limit the scope of the present invention.

[0080] Furthermore, relative terms such as "below" or "bottom" and "above" or "top" may be used in the embodiments to describe the relative relationship of one element to another in the figures. It is understood that if the apparatus in the figures is flipped upside down, the element described as being on the "below" side will become the element on the "above" side. It should be noted that mutually perpendicular X-axis, Y-axis, and Z-axis (which can be interpreted as the first axis and / or second axis as described in the claims, respectively) are defined in this invention. These axes are for illustrative purposes only and are not intended to limit actual directions.

[0081] It should be understood that although terms such as "first," "second," etc., may be used herein to describe various elements, materials, and / or parts, these elements, materials, and / or parts should not be limited by these terms, and these terms are only used to distinguish different elements, materials, and / or parts. Therefore, a first element, material, and / or part discussed below may be referred to as a second element, material, and / or part without departing from the teachings of some embodiments of this utility model, and unless specifically defined, the first or second element, material, and / or part described in the claims may be understood as any element, material, and / or part in the specification, provided that the claims are followed.

[0082] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by those skilled in the art to which this disclosure pertains. It is understood that these terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with the background or context of the relevant art and this utility model, and should not be interpreted in an idealized or overly formal manner, unless specifically defined herein. Furthermore, terms such as “generally,” “approximately,” or “about” are used herein to cover situations or ranges of approximate and complete conformity. It should be noted that, unless specifically defined, even if such terms are not used in the description, they should be interpreted in the same way as if the aforementioned approximate terms were used.

[0083] Figure 1 This diagram shows a perspective view of an optical element driving mechanism 100 according to some embodiments of the present invention. It should be noted that the optical element driving mechanism 100 can be disposed in any suitable electronic device, such as a mobile phone, laptop computer, etc., but the present invention is not limited thereto. In some embodiments, only a portion of the optical element driving mechanism 100 is shown, and any optical element driving mechanism that may include this portion is covered within the scope of the present invention. Figure 1 As shown, the optical element driving mechanism 100 includes a fixed part F, a first movable part 130, and a driving assembly 150 (see reference). Figure 2In some embodiments, the fixing part F may include an outer frame 110 and a base 120. A first movable part 130 is used to connect an optical element (not shown), and the first movable part 130 is movable relative to the fixing part F. For example, light may be incident into the optical element through an opening in the outer frame 110 in a direction generally parallel to the central axis C. However, the present invention is not limited thereto.

[0084] In some embodiments, the outer frame 110 may include a top surface 111 and sidewalls 112 substantially perpendicular to the top surface 111. For example, the normal direction of the top surface 111 may be substantially parallel to the central axis C (or Z-axis), and the sidewalls 112 may extend toward the base 120 and along the central axis C (or Z-axis). Furthermore, in some embodiments, the optical element drive mechanism 100 includes a plurality of buffers 195 disposed on the top surface 111 of the outer frame 110. Specifically, the buffers 195 may be made of, for example, a damping material, thereby reducing the impact of external forces on the optical element drive mechanism 100 and thus protecting the internal components of the optical element drive mechanism 100. In some embodiments, four buffers 195 may be equidistantly disposed on the top surface 111 around an opening in the top surface 111. However, the present invention is not limited thereto. In other embodiments, more or fewer buffers 195 may be provided.

[0085] Figure 2 An exploded view of an optical element driving mechanism 100 according to some embodiments of the present invention is shown. Figure 2As shown, the first movable part 130 and the second movable part 140 are disposed in the space between the outer frame 110 and the base 120. Specifically, the second movable part 140 is disposed on the base 120, and the first movable part 130 is connected to the second movable part 140 and located between the base 120 and the first movable part 130. In some embodiments, the drive assembly 150 can drive the first movable part 130 and / or the second movable part 140 to move relative to the fixed part F (i.e., the outer frame 110 and the base 120). Specifically, the first movable part 130 is connected to the second movable part 140 through a first support assembly 170, and the second movable part 140 is connected to the base 120 through a second support assembly 180. In some embodiments, the drive assembly 150 includes a circuit board 151, a circuit board 152, a circuit board 153, a magnetic element 155, a magnetic element 161, and a magnetic element 164 to drive the first movable part 130 to move in a horizontal direction (e.g., the XY plane) and drive the second movable part 140 to move in a vertical direction (e.g., the Z-axis). In some embodiments, circuit boards 151, 152, and 153 are each provided with a driving element 154, such as a coil, to generate a driving force with a corresponding magnetic element. Specifically, circuit boards 151 and 152, along with their corresponding magnetic elements 161 and 164, can be used to drive the first movable part 130 to move in a horizontal direction (e.g., the XY plane), while circuit board 153 and magnetic element 155 can be used to drive the second movable part 140 to move in a vertical direction (e.g., the Z-axis). However, the present invention is not limited thereto.

[0086] Furthermore, the optical element driving mechanism 100 also includes a stabilizing component 160, which causes the first movable part 130 to approach the fixed part F (e.g., base 120). In some embodiments, the stabilizing component 160 includes a first stabilizing element 161 (magnetic element), a second stabilizing element 162, and a third stabilizing element 163. The second stabilizing element 162 corresponds to the first stabilizing element 161 (e.g., located directly below the first stabilizing element 161). Specifically, the second stabilizing element 162 may be a magnetic sheet, thereby generating a first stabilizing force (e.g., magnetic attraction) with the first stabilizing element 161. Similarly, the third stabilizing element 163 corresponds to the first stabilizing element 161 (e.g., located directly below the first stabilizing element 161), and the third stabilizing element 163 may be a magnetic sheet, thereby generating a second stabilizing force (e.g., magnetic attraction) with the first stabilizing element 161. In some embodiments, the sum of the first and second stabilizing forces is defined as a first total force.

[0087] In some embodiments, the stabilizing assembly 160 further includes a fourth stabilizing element 164 (magnetic element), a fifth stabilizing element 165, and a sixth stabilizing element 166. The fifth stabilizing element 165 corresponds to the fourth stabilizing element 164 (e.g., located directly below the fourth stabilizing element 164). Specifically, the fifth stabilizing element 165 may be a magnetic sheet, thereby generating a third stabilizing force (e.g., magnetic attraction) with the fourth stabilizing element 164. Similarly, the sixth stabilizing element 166 corresponds to the fourth stabilizing element 164 (e.g., located directly below the fourth stabilizing element 164), and the sixth stabilizing element 166 may be a magnetic sheet, thereby generating a fourth stabilizing force (e.g., magnetic attraction) with the fourth stabilizing element 164. In some embodiments, the sum of the third and fourth stabilizing forces is defined as a second total force. By configuring the stabilizing assembly 160, the first movable part 130 can be brought closer to the fixed part F, thereby controlling the first movable part 130 within the desired position range when no power is applied, thereby improving the stability of the optical element driving mechanism 100.

[0088] Figure 3 A perspective view of the internal structure of an optical element driving mechanism 100 according to some embodiments of the present invention is shown. It should be understood that the outer frame 110 is not shown in this embodiment to clearly illustrate the internal structure of the optical element driving mechanism 100. Figure 3 As shown, the optical element driving mechanism 100 includes a fastener 190 disposed above the first movable portion 130. Specifically, the fastener 190 helps to keep the first movable portion 130 in position, thereby reducing the risk of displacement and failure of the first movable portion 130 when the optical element driving mechanism 100 is subjected to external impact. In some embodiments, the fastener 190 may at least partially overlap with the first movable portion 130 in a direction generally parallel to the Z-axis (or central axis C). However, the present invention is not limited thereto. In other embodiments, the fastener 190 may at least partially overlap with the first movable portion 130 in other directions (e.g., a direction forming an acute angle with the Z-axis (or central axis C)).

[0089] Figure 4 A perspective view of the internal structure of an optical element driving mechanism 100 according to some embodiments of the present invention is shown. It should be understood that, in order to further illustrate the internal structure of the optical element driving mechanism 100, this embodiment is compared to... Figure 3 Fastener 190 and circuit board 153 are not shown either. Figure 4As shown, the base 120 is provided with a bracket 121, which forms an opening for positioning the circuit board 153. In some embodiments, the extending direction of the bracket 121 may be perpendicular to the Z-axis (or the central axis C). However, the present invention is not limited thereto. Furthermore, in some embodiments, the first stabilizing element 161, the fourth stabilizing element 164, and the magnetic element 155 may be embedded in the first movable portion 130, thereby fixing the positions of the first stabilizing element 161, the fourth stabilizing element 164, and the magnetic element 155 within the optical element driving mechanism 100. For example, the first stabilizing element 161, the fourth stabilizing element 164, the magnetic element 155, and the first movable portion 130 may be manufactured by injection molding. However, the present invention is not limited thereto. For example, the first movable portion 130 may be made of resin and is at least partially located between the first stabilizing element 161 and the second stabilizing element 162. In this way, the first active part 130 will not interfere with the magnetic force (i.e. stabilizing force) generated by the first stabilizing element 161 and the second stabilizing element 162 (or the third stabilizing element 163).

[0090] Figure 5 A perspective view of the internal structure of an optical element driving mechanism 100 according to some embodiments of the present invention is shown. It should be understood that, in order to further illustrate the internal structure of the optical element driving mechanism 100, this embodiment is compared to... Figure 4 The first movable part 130 and the base 120 are not shown either. For example... Figure 5 As shown, the first support assembly 170 includes a first body 171 disposed between the first movable portion 130 and the second movable portion 140, and extending along a direction substantially perpendicular to the central axis C (e.g., the XY plane). The first body 171 can move relative to the fixed portion F and the first movable portion 130 via the first intermediate element 172 and the second intermediate element 174. The first body 171 is at least partially located between the first stabilizing element 161 and the second stabilizing element 162. In some embodiments, the first body 171 is made of metal to provide sufficient mechanical strength. However, the present invention is not limited thereto.

[0091] In some implementations, the magnetic permeability of the first body 171 is less than that of the first stabilizing element 161, and the magnetic permeability of the first body 171 is less than that of the second stabilizing element 162 or the third stabilizing element 163. In this way, the first body 171 will not interfere with the magnetic force (i.e., stabilizing force) generated by the first stabilizing element 161 and the second stabilizing element 162 (or the third stabilizing element 163).

[0092] In addition, such as Figure 5As shown, the first stabilizing element 161 further includes a first surface (e.g., a lower surface) facing the second stabilizing element 162 and a second surface (e.g., a side surface) facing the driving element 154 of the driving assembly 150, with the first and second surfaces facing different directions. Additionally, the second support assembly 180 includes at least one intermediate element 181 disposed between the second movable portion 140 and the base. The intermediate element 181 is movable relative to the fixed portion F and the second movable portion 140, wherein the intermediate element 181 and the stabilizing assembly 160 (e.g., the first stabilizing element 161, the fourth stabilizing element 164, etc.) are located on different sides of the optical element driving mechanism 100.

[0093] Figure 6 A perspective view of the internal structure of an optical element driving mechanism 100 according to some embodiments of the present invention is shown. It should be understood that, in order to further illustrate the internal structure of the optical element driving mechanism 100, this embodiment is compared to... Figure 5 The first stabilizing element 161, the fourth stabilizing element 164, and the upper part of the first support assembly 170 are not shown. Figure 6 As shown, the optical element driving mechanism 100 further includes a first intermediate element 172 and a second intermediate element 174, disposed on the first body 171. In some embodiments, the first intermediate element 172 and the second intermediate element 174 may be a ball bearing, a contact block, etc. However, the present invention is not limited thereto. In some embodiments, the first body 171, the first intermediate element 172, and the second intermediate element 174 have an integrally formed structure.

[0094] Furthermore, in some embodiments, the first corresponding portion 173 corresponds to the first intermediate element 172 and is movable relative to the first intermediate element 172. Specifically, the first corresponding portion 173 may be located on the second movable portion 140 and has a first groove 173R, which has an elongated structure. Similarly, the second corresponding portion 175 corresponds to the second intermediate element 174 and is movable relative to the second intermediate element 174. The second corresponding portion 175 has a second groove 175R, which has an elongated structure. In some embodiments, the cross-sectional shapes (e.g., the cross-sectional shapes along the XZ plane) of the first groove 173R and the second groove 175R are different. In some embodiments, the extending directions of the first groove 173R and the second groove 175R are different. With the above configuration, the first movable portion 130 can move relative to the second movable portion 140.

[0095] In some embodiments, the second stabilizing element 162, the third stabilizing element 163, the fifth stabilizing element 165, and the sixth stabilizing element 166 may be embedded in the second movable portion 140, thereby fixing their positions within the optical element driving mechanism 100. For example, the second stabilizing element 162, the third stabilizing element 163, the fifth stabilizing element 165, the sixth stabilizing element 166, and the second movable portion 140 may be manufactured by injection molding. However, the present invention is not limited thereto. For example, the second movable portion 140 may be made of resin and at least partially located between the first stabilizing element 161 and the second stabilizing element 162. In this way, the second movable portion 140 will not interfere with the magnetic force (i.e., stabilizing force) generated by the first stabilizing element 161 and the second stabilizing element 162 (or the third stabilizing element 163).

[0096] In addition, such as Figure 6 As shown, the shortest distance between the driving element 154 and the second stabilizing element 162 is different from the shortest distance between the driving element 154 and the third stabilizing element 163. Specifically, the shortest distance between the driving element 154 and the second stabilizing element 162 is less than the shortest distance between the driving element 154 and the third stabilizing element 163. In some embodiments, when viewed along a horizontal direction (e.g., the X-axis), the driving element 154 and the second stabilizing element 162 at least partially overlap.

[0097] Figure 7 A perspective view of a stabilizing component 160 according to some embodiments of the present invention is shown. Figure 8 A bottom view of a stabilizing component 160 according to some embodiments of the present invention is shown. Figure 7 and Figure 8As shown, a gap exists between the second stabilizing element 162 and the third stabilizing element 163. In some embodiments, when viewed along a horizontal direction (e.g., the X-axis), the second stabilizing element 162 and the third stabilizing element 163 at least partially overlap. In other words, the second stabilizing element 162 and the third stabilizing element 163 may be disposed on the same horizontal plane (e.g., the XY plane). In some embodiments, when viewed along a vertical direction (e.g., the Z-axis), the second stabilizing element 162 and the third stabilizing element 163 do not overlap. In some embodiments, the second stabilizing element 162 and the third stabilizing element 163 have different dimensions on the same plane (e.g., the XY plane). For example, the size of the second stabilizing element 162 is larger than the size of the third stabilizing element 163. As a result, when the first movable part 130 is located at the center of the first dimension of the range of motion, the strength of the first stabilizing force generated by the second stabilizing element 162 and the first stabilizing element 161 is different from the strength of the second stabilizing force generated by the third stabilizing element 163 and the first stabilizing element 161. In some embodiments, the strength of the first stabilizing force is greater than the strength of the second stabilizing force. However, the present invention is not limited thereto.

[0098] Similarly, a gap exists between the fifth stabilizing element 165 and the sixth stabilizing element 166. In some embodiments, when viewed along a horizontal direction (e.g., the Y-axis), the fifth stabilizing element 165 and the sixth stabilizing element 166 at least partially overlap. In other words, the fifth stabilizing element 165 and the sixth stabilizing element 166 may be disposed on the same horizontal plane. In some embodiments, when viewed along a vertical direction (e.g., the Z-axis), the fifth stabilizing element 165 and the sixth stabilizing element 166 do not overlap.

[0099] In some embodiments, the fifth stabilizing element 165 and the sixth stabilizing element 166 have different dimensions on the same plane (e.g., the XY plane). For example, the fifth stabilizing element 165 is larger than the sixth stabilizing element 166. Thus, when the first moving part 130 is located at the center of the second-dimensional range of motion, the intensity of the third stabilizing force generated by the fifth stabilizing element 165 and the fourth stabilizing element 164 is different from the intensity of the fourth stabilizing force generated by the sixth stabilizing element 166 and the fourth stabilizing element 164. In some embodiments, the intensity of the third stabilizing force is greater than the intensity of the fourth stabilizing force. However, the present invention is not limited thereto.

[0100] In some embodiments, when the first movable part 130 is located at the center of the first dimension of the range of motion, the absolute values ​​of the differences between the first and second stabilizing forces are different from the absolute values ​​of the differences between the third and fourth stabilizing forces when the first movable part 130 is located at the center of the second dimension of the range of motion. Specifically, when the first movable part 130 is located at the center of the first dimension of the range of motion, the absolute values ​​of the differences between the first and second stabilizing forces are greater than the absolute values ​​of the differences between the third and fourth stabilizing forces when the first movable part 130 is located at the center of the second dimension of the range of motion. This configuration helps to keep the first movable part 130 in position, thereby reducing the risk of displacement and failure of the first movable part 130 when the optical element drive mechanism 100 is subjected to external impact.

[0101] Figure 9 A diagram showing the relationship between the intensity of the first total force generated by the stabilizing component 160 according to some embodiments of the present invention and the relative positions of the first movable part 130 and the fixed part F is provided. Figure 9 As shown, the vertical axis represents the intensity of the first total force generated by the stabilizing component 160, and the horizontal axis represents the relative positions of the first movable part 130 and the fixed part F within the first dimension of the motion range (with the center of the first movable part 130 within the first dimension of the motion range represented as 0). As described above, the driving component 150 can be used to drive the first movable part 130 to move within the first dimension of the motion range, wherein the first position (e.g., within a range of ±200 μm) and the second position (e.g., outside a range of ±200 μm) are both located within the aforementioned first dimension of the motion range, and the first position is closer to the center of the first dimension of the motion range than the second position.

[0102] In some embodiments, when the first movable part 130 is in the first position, the intensity of the first total force and the relative position of the first movable part 130 and the fixed part F define a first slope S1. When the first movable part 130 is in the second position, the intensity of the first total force and the relative position of the first movable part 130 and the fixed part F define a second slope S2. Figure 9 As shown, the first slope S1 and the second slope S2 are different. Specifically, the value of the first slope S1 is greater than the value of the second slope S2. For example, the ratio of the value of the first slope S1 to the value of the second slope S2 is at least greater than 1.3. With the above configuration, it is beneficial to effectively and uniformly control the movement of the first moving part 130 at the first and second positions within the first dimension of the movement range, thereby improving the efficiency of the optical element driving mechanism 100.

[0103] Furthermore, with the above configuration, when the drive assembly 150 does not drive the first movable part 130 to move, the first movable part 130 will be located within a preset range, wherein the preset range is included in the movement range of the first dimension. Specifically, the preset range includes the center of the movement range of the first dimension; for example, the ratio of the movement range of the first dimension to the preset range is less than 1.3. In this way, the first movable part 130 can be controlled at the center of the movement range of the first dimension without power, thereby reducing the risk of failure of the optical element drive mechanism 100.

[0104] It should be understood that the above relationship diagram is based on the strength of the first total force generated by the stabilizing component 160 (i.e., the sum of the strength of the first stabilizing force generated by the second stabilizing element 162 and the first stabilizing element 161 and the second stabilizing force generated by the third stabilizing element 163 and the first stabilizing element 161) and the relative position of the first moving part 130 and the fixed part F. It can also be applied to the strength of the second total force generated by the stabilizing component 160 (i.e., the sum of the third stabilizing force generated by the fifth stabilizing element 165 and the fourth stabilizing element 164 and the fourth stabilizing force generated by the sixth stabilizing element 166 and the fourth stabilizing element 164) and the relative position of the first moving part 130 and the fixed part F. It will not be elaborated further below.

[0105] In summary, this utility model provides an optical element driving mechanism including a stabilizing component. By incorporating the stabilizing component, the first movable part can be brought closer to the fixed part, thereby controlling the first movable part within the desired position range even without power, thus improving the stability of the optical element driving mechanism. Furthermore, the distance and position between the stabilizing elements of the stabilizing component, or the shape or number of the stabilizing elements, can be adjusted to optimize the stability of the optical element driving mechanism.

[0106] However, while the embodiments and advantages of this utility model have been disclosed above, it should be understood that those skilled in the art can make modifications, substitutions, and refinements without departing from the spirit and scope of this utility model. Furthermore, the protection scope of this utility model is not limited to the processes, machines, manufacturing methods, material compositions, apparatuses, methods, and steps described in the specific embodiments of the specification. Any process, machine, manufacturing method, material composition, apparatus, method, and step that is currently or will be developed in the future can be understood from the disclosure of this utility model, and can be used according to this utility model as long as it can perform substantially the same function or obtain substantially the same result in the embodiments described herein. Therefore, the protection scope of this utility model includes the above-mentioned processes, machines, manufacturing methods, material compositions, apparatuses, methods, and steps, and features between embodiments can be arbitrarily mixed and matched as long as they do not violate the inventive spirit or conflict with each other. In addition, each claim constitutes an individual embodiment, and the protection scope of this utility model also includes combinations of various claims and embodiments.

Claims

1. An optical element driving mechanism, characterized in that, include: A first movable part, used to connect an optical element; A fixed part, wherein the first movable part is movable relative to the fixed part; A drive component is used to drive the movement of the first moving part; as well as A stabilizing component, wherein the stabilizing component causes the first movable part to move toward the fixed part, and includes: A first stabilizing element; A second stabilizing element, corresponding to the first stabilizing element, to generate a first stabilizing force; A third stabilizing element, corresponding to the first stabilizing element, to generate a second stabilizing force; A fourth stabilizing element; A fifth stabilizing element, corresponding to the fourth stabilizing element, to generate a third stabilizing force; and A sixth stabilizing element corresponds to the fourth stabilizing element to generate a fourth stabilizing force.

2. The optical element driving mechanism as described in claim 1, characterized in that, The sum of the first stabilizing force and the second stabilizing force is defined as a first total force; When the first movable part is in a first position, the strength of the first total force and the relative position of the first movable part and the fixed part define a first slope.

3. The optical element driving mechanism as described in claim 2, characterized in that, When the first movable part is in a second position, the intensity of the first total force and the relative position of the first movable part and the fixed part define a second slope.

4. The optical element driving mechanism as described in claim 3, characterized in that, The first slope and the second slope are different; The value of the first slope is greater than the value of the second slope; The ratio of the value of the first slope to the value of the second slope is at least greater than 1.

3.

5. The optical element driving mechanism as described in claim 3, characterized in that, The drive component is used to drive the first movable part to move within a first range of motion in a first dimension; Both the first position and the second position are located within the first movement range; The first position is closer to the center of the first range of motion than the second position.

6. The optical element driving mechanism as described in claim 5, characterized in that, When the drive component does not drive the first movable part to move, the first movable part is located within a first preset range; The first range of motion includes the first preset range: The first preset range includes the center of the first range of motion; The ratio of the first range of motion to the first preset range is less than 1.

3.

7. The optical element driving mechanism as described in claim 5, characterized in that, When the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is different from the strength of the second stabilizing force; When the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is greater than the strength of the second stabilizing force.

8. The optical element driving mechanism as described in claim 5, characterized in that, The sum of the third stabilizing force and the fourth stabilizing force is defined as a second total force.

9. The optical element driving mechanism as described in claim 8, characterized in that, The drive component can be used to drive the first movable part to move within a second range of motion in a second dimension; When the first movable part is located at the center of the first range of motion, the absolute value of the difference between the first stabilizing force and the second stabilizing force is different from the absolute value of the difference between the third stabilizing force and the fourth stabilizing force when the first movable part is located at the center of the second range of motion.

10. The optical element driving mechanism as described in claim 9, characterized in that, When the first movable part is located at the center of the first range of motion, the absolute value of the difference between the first stabilizing force and the second stabilizing force is greater than the absolute value of the difference between the third stabilizing force and the fourth stabilizing force when the first movable part is located at the center of the second range of motion.

11. The optical element driving mechanism as described in claim 10, characterized in that, When the first movable part is located at the center of the second range of motion, the strength of the third stabilizing force is different from the strength of the fourth stabilizing force; When the first movable part is located at the center of the first range of motion, the strength of the first stabilizing force is greater than the strength of the second stabilizing force.

12. The optical element driving mechanism as described in claim 2, characterized in that, The first stabilizing element also includes: A first surface faces the second stabilizing element; A second surface facing a first driving element of the driving assembly; The first surface and the second surface face different directions; The shortest distance between the first driving element and the second stabilizing element is different from the shortest distance between the first driving element and the third stabilizing element; The shortest distance between the first driving element and the second stabilizing element is less than the shortest distance between the first driving element and the third stabilizing element.

13. The optical element driving mechanism as described in claim 12, characterized in that, When viewed along a second axis perpendicular to the first surface, the first driving element and the second stabilizing element at least partially overlap.

14. The optical element driving mechanism as described in claim 2, characterized in that, There is a gap between the second stabilizing element and the third stabilizing element; The first stabilizing element has a first surface facing the second stabilizing element; When viewed along a first axis parallel to the first surface, the second stabilizing element and the third stabilizing element at least partially overlap. When viewed along a second axis perpendicular to the first surface, the second stabilizing element and the third stabilizing element do not overlap.

15. The optical element driving mechanism as described in claim 2, characterized in that, The stabilization component also includes: A first fixing structure for fixing the first stabilizing element, the second stabilizing element, or the third stabilizing element; The first fixing structure is made of resin; The first fixing structure is located at least partially between the first stabilizing element and the second stabilizing element.

16. The optical element driving mechanism as described in claim 2, characterized in that, Also includes: A first support assembly, wherein the first movable part is movable relative to the fixed part via the first support assembly, and the first support assembly includes: A first body is movable relative to the fixed part and the first movable part, wherein the first body is at least partially located between the first stabilizing element and the second stabilizing element.

17. The optical element driving mechanism as described in claim 16, characterized in that, The first body is made of metal; The permeability of the first body is less than the permeability of the first stabilizing element; and The permeability of the first body is less than that of the second stabilizing element.

18. The optical element driving mechanism as described in claim 16, characterized in that, Also includes: A first intermediate element is disposed on the first body; A first corresponding part, corresponding to the first intermediate element and movable relative to the first intermediate element, wherein the first corresponding part has a first groove, the first groove having an elongated structure; A second intermediate element is disposed on the first body; as well as A second corresponding part corresponds to the second intermediate element and is movable relative to the second intermediate element; The second corresponding part has a second groove, which has an elongated structure; The first intermediate element and the second intermediate element have an integrally formed structure.

19. The optical element driving mechanism as described in claim 2, characterized in that, Also includes: A second movable part is connected to the first movable part and the fixed part, and is movable relative to the first movable part and the fixed part.

20. The optical element driving mechanism as described in claim 19, characterized in that, Also includes: A second support assembly, wherein the second movable part is movable relative to the fixed part via the second support assembly, and the second support assembly includes: At least one intermediate element is movable relative to the fixed part and the second movable part, wherein the at least one intermediate element and the stabilizing component are located on different sides of the optical element driving mechanism.

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