Optical system

Abstract

The present disclosure provides an optical system, comprising: a first movable part, a fixed part, a first driving assembly, and a first guiding structure. The first movable part is connected to a first optical element. The first movable part is movable relative to the fixed part. The first driving assembly drives the first movable part to move relative to the fixed part. The first guiding structure guides the first movable part to move relative to the fixed part in a first dimension.

Description

Technical Field

[0001] This disclosure relates to an optical system, and more particularly to an optical system capable of precisely adjusting the positioning of optical elements. Background Technology

[0002] With the development of technology, many electronic devices today (such as laptops, smartphones, or digital cameras) have the function of taking pictures or recording videos. As the use of these electronic devices becomes more and more widespread, in addition to convenient and thin and light designs, there is also a need to develop more stable and better optical quality to provide users with more choices.

[0003] The aforementioned electronic devices with photographic or video recording functions typically include one or more lenses to achieve focusing, zooming, and / or optical image stabilization (OIS). However, when driving optical elements (e.g., lenses) over long distances, problems of offset or deflection often occur. Therefore, how to precisely adjust the position of optical elements to improve stability has become an important issue. Summary of the Invention

[0004] This disclosure provides an optical system, including: a first movable part, a fixed part, a first driving assembly, and a first guiding structure. The first movable part is connected to a first optical element. The first movable part is movable relative to the fixed part. The first driving assembly drives the first movable part to move relative to the fixed part. The first guiding structure guides the first movable part to move relative to the fixed part in a first dimension.

[0005] In some embodiments, the optical system further includes: a second movable part and a second driving assembly. The second movable part is connected to a second optical element. The second movable part is movable relative to a fixed part and a first movable part. The second driving assembly drives the second movable part to move relative to the fixed part. The first movable part is movable relative to the fixed part within a first range of motion. The second movable part is movable relative to the fixed part within a second range of motion, the first range of motion being different from the second range of motion. The second movable part is movable relative to the first movable part within a third range of motion.

[0006] In some embodiments, the optical system further includes: a first stop assembly, a second stop assembly, a third stop assembly, and a fourth stop assembly. The first stop assembly defines the movement of a first movable portion relative to a fixed portion and includes: a first stop element and a second stop element. The first stop element is fixedly disposed on the fixed portion. The second stop element corresponds to the first stop element and is fixedly disposed on the first movable portion. When the first movable portion is at a first extreme position relative to the fixed portion, the first stop element directly contacts the second stop element. The second stop assembly defines the movement of the first movable portion relative to the fixed portion and includes: a third stop element and a fourth stop element. The third stop element is fixedly disposed on the fixed portion. The fourth stop element corresponds to the third stop element and is fixedly disposed on the second movable portion. When the first movable portion is at a second extreme position relative to the fixed portion, the third stop element directly contacts the fourth stop element. The first extreme position is different from the second extreme position. The third stop assembly defines the movement of the second movable portion relative to the first movable portion and includes: a fifth stop element and a sixth stop element. The fifth stop element is fixedly disposed on the first movable portion. The sixth stop element corresponds to the fifth stop element and is fixedly disposed on the second movable part. When the second movable part is in a third extreme position relative to the first movable part, the fifth stop element directly contacts the sixth stop element. The fourth stop assembly limits the movement of the second movable part relative to the first movable part and includes a seventh stop element and an eighth stop element. The seventh stop element is fixedly disposed on the first movable part. The eighth stop element corresponds to the seventh stop element and is fixedly disposed on the second movable part. When the second movable part is in a fourth extreme position relative to the first movable part, the seventh stop element directly contacts the eighth stop element. The third extreme position is different from the fourth extreme position. When the fifth stop element contacts the sixth stop element, the first movable part can drive the second movable part to perform a first movement relative to the fixed part in a first dimension. When the seventh stop element contacts the eighth stop element, the first movable part can drive the second movable part to perform a second movement relative to the fixed part in a first dimension, wherein the first movement and the second movement are in opposite directions.

[0007] In some embodiments, the first stop assembly further includes a first buffer element disposed on the first stop element or the second stop element. The second stop assembly further includes a second buffer element disposed on the third stop element or the fourth stop element. The third stop assembly further includes a third buffer element disposed on the fifth stop element or the sixth stop element. The fourth stop assembly further includes a fourth buffer element disposed on the seventh stop element or the eighth stop element.

[0008] In some embodiments, the first guide structure includes: a first guide element, a second guide element, a third guide element, a fourth guide element, a fifth guide element, and a sixth guide element. The first guide element has an elongated structure, extends along a first direction, and is fixedly disposed on the fixed portion. The shortest distance between the first guide element and the first movable portion is less than the shortest distance between the first guide element and the second movable portion. The second guide element is located in the first movable portion and has an opening structure corresponding to the first guide element. The third guide element is located in the second movable portion and has an opening structure corresponding to the first guide element. The fourth guide element has an elongated structure, is disposed parallel to the first guide element, and is fixedly disposed on the fixed portion. The shortest distance between the fourth guide element and the first movable portion is less than the shortest distance between the fourth guide element and the second movable portion. The fifth guide element is located in the first movable portion and has an opening structure corresponding to the fourth guide element. The sixth guide element is located in the second movable portion and has an opening structure corresponding to the fourth guide element. Viewed along a second direction perpendicular to the first direction, a second center of the opening structure of the second guide element and a fifth center of the opening structure of the fifth guide element form a first line, which is neither parallel nor perpendicular to the first direction. Viewed along the second direction, a third center of the opening structure of the third guide element and a sixth center of the opening structure of the sixth guide element form a second line, which is neither parallel nor perpendicular to the first direction.

[0009] In some embodiments, the optical system further includes a second guiding structure. The second guiding structure guides the second movable portion to move relative to the first movable portion in a second dimension. The first dimension is the movement in a first direction, and the second dimension is the movement in a third direction, with the first direction parallel to the third direction. The second guiding structure includes a seventh guiding element, an eighth guiding element, a ninth guiding element, and a tenth guiding element. The seventh guiding element has an elongated structure extending along the third direction and is fixedly disposed on the first movable portion. The maximum dimension of the seventh guiding element in the third direction is smaller than the maximum dimension of the first guiding element in the first direction. The eighth guiding element is located in the second movable portion and has an opening structure corresponding to the seventh guiding element. The ninth guiding element has an elongated structure, is disposed parallel to the seventh guiding element, and is fixedly disposed on the first movable portion. The tenth guiding element is located in the second movable portion and has an opening structure corresponding to the ninth guiding element. Viewed along the second direction, the eighth center of the opening structure of the eighth guiding element and the tenth center of the opening structure of the tenth guiding element form a third line, which is neither parallel nor perpendicular to the first direction.

[0010] In some embodiments, when viewed along the second direction, the first guide element and the seventh guide element at least partially overlap, and the fourth guide element and the ninth guide element at least partially overlap. A first center of the first guide element and a fourth center of the fourth guide element form a fourth line, which is perpendicular to the first direction and also perpendicular to the second direction. A seventh center of the seventh guide element and a ninth center of the ninth guide element form a fifth line, which is perpendicular to the second direction and is neither parallel nor perpendicular to the third direction.

[0011] In some embodiments, the first movable portion includes a first connecting reinforcement portion and a first bonding element. The first bonding element is disposed on the first connecting reinforcement portion. The first optical element includes a first extension portion that protrudes toward the first connecting reinforcement portion. When viewed along a second direction, the first connecting reinforcement portion and the first extension portion of the first optical element at least partially overlap. When viewed along a third direction, the first optical element and the seventh guiding element at least partially overlap.

[0012] In some embodiments, the second movable portion includes a second connecting reinforcement portion and a second bonding element. The second bonding element is disposed on the second connecting reinforcement portion. The second optical element includes a second extension portion that protrudes toward the second connecting reinforcement portion. When viewed along a second direction, the second connecting reinforcement portion and the second extension portion of the second optical element at least partially overlap. When viewed along a third direction, the second optical element and the ninth guiding element at least partially overlap.

[0013] In some embodiments, when viewed along the second direction, a center of the first connecting reinforcement and a center of the second connecting reinforcement form a sixth line. The sixth line is neither perpendicular to nor parallel to the first direction. Attached Figure Description

[0014] This disclosure will become clear from the following detailed description and accompanying illustrations. It should be emphasized that, in accordance with industry standard practice, the features are not drawn to scale and are for illustrative purposes only. In fact, the dimensions of the features may be arbitrarily enlarged or reduced for clarity.

[0015] Figure 1 A perspective view of the optical system is shown according to some embodiments.

[0016] Figure 2 A left-side stereoscopic view of an optical system according to some embodiments is shown, wherein the first optical element and the second optical element are omitted.

[0017] Figure 3 The diagram shows a right-side perspective view of an optical system according to some embodiments, wherein the first and second optical elements are omitted.

[0018] Figure 4 A partial magnified view of the optical system is shown according to some embodiments.

[0019] Figure 5 A partial magnified view of the optical system is shown according to some embodiments.

[0020] Figure 6 A perspective view showing the configuration of the first guide structure and the second guide structure according to some embodiments is shown.

[0021] Figure 7 A top view showing the configuration of a first boot structure and a second boot structure according to some embodiments is shown.

[0022] Figure 8 The image shows a right view of an optical system according to some embodiments.

[0023] Figure 9 A perspective view of the optical system is shown according to some embodiments.

[0024] Figure 10 The diagram shows a top view of an optical system according to some embodiments, wherein the first optical element and the second optical element are omitted.

[0025] Figure 11 The diagram shows a right view of an optical system according to some embodiments, wherein the first optical element and the second optical element are omitted.

[0026] Figure 12 The diagram shows a top view of an optical system according to some embodiments, wherein the first optical element, the second optical element, the first movable part, and the second movable part are omitted.

[0027] Figure 13 A front view of an optical system is shown according to some embodiments.

[0028] Figure 14 The diagram shows a structural schematic of a first reference magnetic element or a second reference magnetic element according to some embodiments.

[0029] Figure 15 A perspective view of an optical system according to some embodiments is shown, wherein the first optical element and the second optical element are omitted.

[0030] Figure 16 A perspective view of the optical system is shown according to some other embodiments.

[0031] Figure 17 A right view of an optical system according to some other embodiments is shown, wherein the first optical element and the second optical element are omitted.

[0032] Figure 18A schematic diagram of the connection of the control unit of the optical system is shown according to some embodiments.

[0033] Figure 19 A perspective view of the optical system is shown according to some embodiments.

[0034] Figure 20 The image shows a right view of an optical system according to some embodiments.

[0035] Figure 21 A top view of an optical system is shown according to some embodiments.

[0036] Figure 22 A schematic diagram of the structure of a first reference magnetic element is shown according to some embodiments.

[0037] Figure 23 A front view of an optical system is shown according to some embodiments.

[0038] Figure 24 A schematic diagram of the connection of the control unit of the optical system is shown according to some embodiments.

[0039] Figure 25 The diagram shows a partial top-view magnified view of the circuit components of an optical system according to some embodiments.

[0040] Figure 26A The diagram shows the circuit components of the optical system in a first extreme position according to some embodiments.

[0041] Figure 26B This diagram illustrates the circuitry of the optical system in a second extreme position, according to some embodiments.

[0042] Explanation of reference numerals in the attached figures:

[0043] 1-10: Optical System

[0044] 1-100: First optical element

[0045] 1-110: First Extension

[0046] 1-200: Second optical element

[0047] 1-210: Second Extension

[0048] 1-300: First Activities Department

[0049] 1-310: First connecting reinforcement section

[0050] 1-320: First connecting element

[0051] 1-400: Second Activities Department

[0052] 1-410: Second connecting reinforcement section

[0053] 1-420: Second connecting element

[0054] 1-500: First guiding structure

[0055] 1-510: First guiding element

[0056] 1-520: Second guiding element

[0057] 1-530: Third guiding element

[0058] 1-540: Fourth guiding element

[0059] 1-550: Fifth guiding element

[0060] 1-560: Sixth guiding element

[0061] 1-600: Second guiding structure

[0062] 1-610: Seventh guiding element

[0063] 1-620: Eighth guiding element

[0064] 1-630: Ninth Guiding Element

[0065] 1-640: Tenth Guiding Element

[0066] 1-700: First drive component

[0067] 1-710: First magnetic element

[0068] 1-720: First coil

[0069] 1-800: Second drive component

[0070] 1-810: Second magnetic element

[0071] 1-820: Second coil

[0072] 1-900: Fixing part

[0073] 1-1100: First stop assembly

[0074] 1-1101: First stop element

[0075] 1-1102: Second stop element

[0076] 1-1103: First buffer element

[0077] 1-1200: Second stop assembly

[0078] 1-1201: Third stop element

[0079] 1-1202: Fourth stop element

[0080] 1-1203: Second buffer element

[0081] 1-1300: Third stop assembly

[0082] 1-1301: Fifth stop element

[0083] 1-1302: Sixth stop element

[0084] 1-1303: Third buffer element

[0085] 1-1400: Fourth stop assembly

[0086] 1-1401: Seventh Stopping Element

[0087] 1-1402: Eighth stop element

[0088] 1-1403: Fourth Buffer Element

[0089] 1-A: First Center

[0090] 1-B: Second Center

[0091] 1-C: Third Center

[0092] 1-D: Fourth Center

[0093] 1-D1: First Direction

[0094] 1-D2: Second Direction

[0095] 1-D3: Third direction

[0096] 1-E: Fifth Center

[0097] 1-F: Sixth Center

[0098] 1-G: Seventh Center

[0099] 1-H: Eighth Center

[0100] 1-I: The Ninth Center

[0101] 1-J: The Tenth Center

[0102] 1-L1: First connection

[0103] 1-L2: Second connection

[0104] 1-L3: Third connection

[0105] 1-L4: Fourth connection

[0106] 1-L5: Fifth connection

[0107] 1-L6: Sixth connection

[0108] 2-10, 2-10': Optical system

[0109] 2-100: First optical element

[0110] 2-110: First Extension

[0111] 2-200: Second optical element

[0112] 2-210: Second Extension

[0113] 2-300: First Activities Department

[0114] 2-310: First load-bearing section

[0115] 2-315: First Attachment

[0116] 2-330: First Guiding Section

[0117] 2-335: Second Continuation

[0118] 2-350: First connecting part

[0119] 2-400: Second Activities Department

[0120] 2-410: Second bearing section

[0121] 2-415: Third Continuation

[0122] 2-430: Second Guiding Section

[0123] 2-435: Fourth Continuation

[0124] 2-450: Second connecting part

[0125] 2-700: First drive component

[0126] 2-710: First magnetic element

[0127] 2-715: Center

[0128] 2-720: First coil

[0129] 2-725: Center

[0130] 2-727: First Axis

[0131] 2-800: Second drive component

[0132] 2-810: Second magnetic element

[0133] 2-815: Center

[0134] 2-820: Second coil

[0135] 2-825: Center

[0136] 2-827: Second Axis

[0137] 2-900: Fixing part

[0138] 2-910: Framework

[0139] 2-915: Open structure

[0140] 2-920: Light Inlet

[0141] 2-930: Light outlet

[0142] 2-1000: Third optical element

[0143] 2-1500: First sensing component

[0144] 2-1510: First Reference Magnetic Element

[0145] 2-1515: First magnetic pole pair

[0146] 2-1520: First Sensor

[0147] 2-1600: Second sensing component

[0148] 2-1610: Second Reference Magnetic Element

[0149] 2-1615: Second magnetic pole pair

[0150] 2-1620: Second sensor

[0151] 2-1700: Control Unit

[0152] 2-1800: Circuit Components

[0153] 2-1900: External Controller

[0154] 2-D1: First Direction

[0155] 2-D2: Second Direction

[0156] 2-D3: Third direction

[0157] 2-DR1: First drive signal

[0158] 2-DR2: Second drive signal

[0159] 2-L1: First connection

[0160] 2-L2: Second connection

[0161] 2-M1: Direction of the first magnetic pole

[0162] 2-M2: Direction of the second magnetic pole

[0163] 2-M3: Direction of the third magnetic pole

[0164] 2-M4: Direction of the fourth magnetic pole

[0165] 2-O1: First instruction

[0166] 2-O2: Second instruction

[0167] 2-P1: First preset information

[0168] 2-P2: Second preset information

[0169] 2-S1: First sensing signal

[0170] 2-S2: Second sensing signal

[0171] 3-10: Optical System

[0172] 3-100: First optical element

[0173] 3-200: Second optical element

[0174] 3-300: First Activities Department

[0175] 3-400: Second Activities Department

[0176] 3-700: First drive component

[0177] 3-710: First magnetic element

[0178] 3-720: First coil

[0179] 3-800: Second drive component

[0180] 3-810: Second magnetic element

[0181] 3-820: Second coil

[0182] 3-900: Fixing part

[0183] 3-910: Framework

[0184] 3-915: Open structure

[0185] 3-920: Light Inlet

[0186] 3-930: Light outlet

[0187] 3-1000: Third optical element

[0188] 3-1500: First sensing component

[0189] 3-1510: First Reference Magnetic Element

[0190] 3-1515: First magnetic pole pair

[0191] 3-1520: First Sensor

[0192] 3-1600: Second sensing component

[0193] 3-1610: Second Reference Magnetic Element

[0194] 3-1615: Second magnetic pole pair

[0195] 3-1620: Second Sensor

[0196] 3-1700: Control Unit

[0197] 3-1800: Circuit Components

[0198] 3-1810: First Circuit Element

[0199] 3-1811: Event Terminal

[0200] 3-1812: Fixed end

[0201] 3-1813: Flexible part

[0202] 3-1814: First Section

[0203] 3-1815: Second Section

[0204] 3-1816: Third Section

[0205] 3-1820: Second Circuit Element

[0206] 3-1900: External Controller

[0207] 3-D1: First Direction

[0208] 3-D2: Second Direction

[0209] 3-D3: Third direction

[0210] 3-D4: Fourth Direction

[0211] 3-D5: Fifth Direction

[0212] 3-D6: Sixth Direction

[0213] 3-DR1: First drive signal

[0214] 3-DR2: Second drive signal

[0215] 3-M1: Direction of the first magnetic pole

[0216] 3-M2: Direction of the second magnetic pole

[0217] 3-M3: Direction of the third magnetic pole

[0218] 3-M4: Direction of the fourth magnetic pole

[0219] 3-O1: First Instruction

[0220] 3-O2: Second instruction

[0221] 3-P1: First preset information

[0222] 3-P2: Second preset information

[0223] 3-S1: First sensing signal

[0224] 3-S2: Second sensing signal Detailed Implementation

[0225] The following describes an optical system according to embodiments of this disclosure. However, it will be readily apparent that this disclosure provides many suitable inventive concepts that can be implemented in a wide range of specific contexts. The specific embodiments disclosed are merely illustrative of the use of this disclosure in particular ways and are not intended to limit the scope of this disclosure.

[0226] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill 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 relevant art and the context of this disclosure, and should not be interpreted in an idealized or overly formal manner, unless specifically defined herein.

[0227] First Embodiment

[0228] This disclosure provides an optical system including multiple optical elements that can move relative to each other to achieve effects such as optical zoom or optical focus. In some embodiments, during operation, to reduce the deflection of the optical elements, a second optical element is moved simultaneously with the movement of a first optical element. After the first optical element reaches the desired position, the second optical element is further adjusted to move to the desired position. This operation is achieved through multiple guiding structures and multiple driving components. This effectively improves control precision and provides better optical quality.

[0229] First, please refer to... Figure 1 . Figure 1A perspective view of optical systems 1-10 is shown according to some embodiments. (As shown) Figure 1 As shown, the optical system 1-10 mainly includes a first optical element 1-100, a second optical element 1-200, a first movable part 1-300, a second movable part 1-400, a first guide structure 1-500, and a second guide structure 1-600 (see...). Figure 6 The system comprises a first driving assembly 1-700, a second driving assembly 1-800, and a fixing part 1-900. In some embodiments, the first optical element 1-100 and the second optical element 1-200 may each include one or more lenses, forming their own independent lens groups. In some specific embodiments, the first optical element 1-100 is used for optical zoom, and the second optical element 1-200 is used for optical focusing. Of course, the functions of the two can be adjusted or interchanged according to user needs. Figure 1 In this embodiment, the first optical element 1-100 is connected to the first movable part 1-300, and is driven by the first driving assembly 1-700 to move the first movable part 1-300 and the first optical element 1-100 relative to the fixed part 1-900. Similarly, the second optical element 1-200 is connected to the second movable part 1-400, and is driven by the second driving assembly 1-800 to move the second movable part 1-400 and the second optical element 1-200 relative to the fixed part 1-900. It should be noted that the second movable part 1-400 can move relative to the first movable part 1-300, as will be described in detail below.

[0230] Please refer to the following: Figure 2 and Figure 3 . Figure 2 and Figure 3 Left and right perspective views of the optical system 1-10 according to some embodiments are shown, wherein the first optical element 1-100 and the second optical element 1-200 are omitted to clearly observe the structure of the first movable part 1-300 and the second movable part 1-400. In some embodiments, the optical system 1-10 further includes a first stop assembly 1-1100 and a second stop assembly 1-1200. In some embodiments, the first stop assembly 1-1100 and the second stop assembly 1-1200 are used to limit the movement of the first movable part 1-300 relative to the fixed part 1-900.

[0231] exist Figure 2 and Figure 3In the illustrated embodiment, the first stop assembly 1-1100 includes a first stop element 1-1101, a second stop element 1-1102, and a first buffer element 1-1103. The first stop element 1-1101 is fixedly disposed on the fixed portion 1-900; for example, the first stop element 1-1101 is a surface of the fixed portion 1-900 facing the first movable portion 1-300. The second stop element 1-1102 corresponds to the first stop element 1-1101 and is fixedly disposed on the first movable portion 1-300; for example, the second stop element 1-1102 is a surface of the first movable portion 1-300 facing the fixed portion 1-900. The first buffer element 1-1103 may be disposed on either the first stop element 1-1101 or the second stop element 1-1102. Figure 2 In some embodiments, the first buffer element 1-1103 is disposed on the second stop element 1-1102. In some embodiments, the optical system 1-10 may include two sets of first stop components 1-1100, respectively disposed on both sides, such as... Figure 2 As shown. In some embodiments, when the first movable part 1-300 is in a first extreme position relative to the fixed part 1-900, the first stop element 1-1101 directly contacts the second stop element 1-1102. The movement range of the first movable part 1-300 is limited by the surface contact between the first stop element 1-1101 and the second stop element 1-1102. The first buffer element 1-1103 disposed between the first stop element 1-1101 and the second stop element 1-1102 may include materials such as foam, gel or flexible plastic to absorb the impact force between the first stop element 1-1101 and the second stop element 1-1102 (e.g., when the first movable part 1-300 moves to the first extreme position, or when the optical system 1-10 is subjected to external impact). In addition to protecting the structure itself, it can also prevent noise interference.

[0232] Similarly, the second stop assembly 1-1200 is disposed on the opposite side of the first stop assembly 1-1100. The second stop assembly 1-1200 includes a third stop element 1-1201, a fourth stop element 1-1202, and a second buffer element 1-1203. The third stop element 1-1201 is fixedly disposed on the fixed portion 1-900; for example, the third stop element 1-1201 is a surface of the fixed portion 1-900 facing the second movable portion 1-400. The fourth stop element 1-1202 corresponds to the third stop element 1-1201 and is fixedly disposed on the second movable portion 1-400; for example, the fourth stop element 1-1202 is a surface of the second movable portion 1-400 facing the fixed portion 1-900. The second buffer element 1-1203 may be disposed on either the third stop element 1-1201 or the fourth stop element 1-1202. Figure 3In some embodiments, the second buffer element 1-1203 is disposed on the fourth stop element 1-1202. In some embodiments, the optical system 1-10 may include two sets of second stop components 1-1200, respectively disposed on both sides, such as... Figure 3 As shown. In some embodiments, when the first movable part 1-300 is in a second extreme position relative to the fixed part 1-900, the third stop element 1-1201 directly contacts the fourth stop element 1-1202. Through the surface contact between the third stop element 1-1201 and the fourth stop element 1-1202, the range of motion of the second movable part 1-400 (and therefore the first movable part 1-300) is limited. The second extreme position of the first movable part 1-300 is different from the first extreme position. The second buffer element 1-1203 disposed between the third stop element 1-1201 and the fourth stop element 1-1202 has the same or similar material and function as the first buffer element 1-1103 described above, and will not be described again here.

[0233] Please refer to the following: Figure 4 and Figure 5 . Figure 4 and Figure 5 Partial enlarged views of optical systems 1-10 according to some embodiments are shown, illustrating the structural configuration between the first movable portion 1-300 and the second movable portion 1-400. In some embodiments, optical systems 1-10 further include a third stop assembly 1-1300 and a fourth stop assembly 1-1400. In some embodiments, the third stop assembly 1-1300 and the fourth stop assembly 1-1400 are used to limit the movement of the second movable portion 1-400 relative to the first movable portion 1-300.

[0234] exist Figure 4 and Figure 5 In the illustrated embodiment, the third stop assembly 1-1300 includes a fifth stop element 1-1301, a sixth stop element 1-1302, and a third buffer element 1-1303. The fifth stop element 1-1301 is fixedly disposed on the first movable portion 1-300; for example, the fifth stop element 1-1301 is a surface of the first movable portion 1-300 facing the second movable portion 1-400. The sixth stop element 1-1302 corresponds to the fifth stop element 1-1301 and is fixedly disposed on the second movable portion 1-400; for example, the sixth stop element 1-1302 is a surface of the second movable portion 1-400 facing the first movable portion 1-300. The third buffer element 1-1303 may be disposed on either the fifth stop element 1-1301 or the sixth stop element 1-1302. Figure 4In the illustrated embodiment, the third buffer element 1-1303 is disposed on the sixth stop element 1-1302. In some embodiments, the optical system 1-10 may include two sets of third stop components 1-1300, respectively disposed on both sides. Figure 4 and Figure 5 One set of third stop components 1-1300 is shown. In some embodiments, when the second movable part 1-400 is in a third extreme position relative to the first movable part 1-300, the fifth stop element 1-1301 directly contacts the sixth stop element 1-1302, and the range of motion of the second movable part 1-400 relative to the first movable part 1-300 is limited by the surface contact between the fifth stop element 1-1301 and the sixth stop element 1-1302. The third buffer element 1-1303 disposed between the fifth stop element 1-1301 and the sixth stop element 1-1302 has the same or similar material and function as the first buffer element 1-1103 described above, and will not be described again here.

[0235] Similarly, the fourth stop assembly 1-1400 is disposed on the opposite side of the third stop assembly 1-1300. The fourth stop assembly 1-1400 includes a seventh stop element 1-1401, an eighth stop element 1-1402, and a fourth buffer element 1-1403. The seventh stop element 1-1401 is fixedly disposed on the first movable portion 1-300; for example, the seventh stop element 1-1401 is the other surface of the first movable portion 1-300 facing the second movable portion 1-400. The eighth stop element 1-1402 corresponds to the seventh stop element 1-1401 and is fixedly disposed on the second movable portion 1-400; for example, the eighth stop element 1-1402 is the other surface of the second movable portion 1-400 facing the first movable portion 1-300. The fourth buffer element 1-1403 can be disposed on either the seventh stop element 1-1401 or the eighth stop element 1-1402. Figure 4 In some embodiments, the fourth buffer element 1-1403 is disposed on the eighth stop element 1-1402. In some embodiments, the optical system 1-10 may include two sets of fourth stop components 1-1400, respectively disposed on both sides. Figure 4 and Figure 5One set of fourth stop components 1-1400 is shown. In some embodiments, when the second movable part 1-400 is in a fourth extreme position relative to the first movable part 1-300, the seventh stop element 1-1401 directly contacts the eighth stop element 1-1402. The surface contact between the seventh stop element 1-1401 and the eighth stop element 1-1402 defines the range of motion of the second movable part 1-400 relative to the first movable part 1-300. The third extreme position of the second movable part 1-400 is different from the fourth extreme position. The fourth buffer element 1-1403 disposed between the seventh stop element 1-1401 and the eighth stop element 1-1402 has the same or similar material and function as the first buffer element 1-1103 described above, and will not be described again here.

[0236] In some embodiments according to this disclosure, the first movable part 1-300 can move within a range of motion limited between the first stop element 1-1101 and the third stop element 1-1201, and the second movable part 1-400 can move within a range of motion limited between the fifth stop element 1-1301 and the seventh stop element 1-1401. Specifically, when the fifth stop element 1-1301 contacts the sixth stop element 1-1302, the second movable part 1-400 reaches the third limit position. However, at this time, the first movable part 1-300 may not be at the first or second limit position. Therefore, the first movable part 1-300 can drive the second movable part 1-400 to perform a first movement relative to the fixed part 1-900 in the first dimension until the first movable part 1-300 reaches the second limit position (the third stop element 1-1201 contacts the fourth stop element 1-1202) before stopping. Similarly, when the seventh stop element 1-1401 contacts the eighth stop element 1-1402, the first movable part 1-300 can drive the second movable part 1-400 to perform a second movement relative to the fixed part 1-900 in the first dimension, until the first movable part 1-300 reaches the first limit position (the first stop element 1-1101 contacts the second stop element 1-1102) and then stops moving. The first movement and the second movement are in opposite directions.

[0237] In other words, during the movement of the first movable part 1-300, the fifth stop element 1-1301 may come into contact with the sixth stop element 1-1302, or the seventh stop element 1-1401 may come into contact with the eighth stop element 1-1402. When either of these situations occurs, the first movable part 1-300 can drive the second movable part 1-400 to move together relative to the fixed part 1-900 until the first movable part 1-300 reaches the desired position and then stops together. After the first movable part 1-300 stops, the second movable part 1-400 can then be moved individually to the desired position to obtain the desired optical effect.

[0238] In this disclosure, the range of motion of the first movable part 1-300 between the first stop element 1-1101 and the third stop element 1-1201 is defined as the first range of motion, and the first movable part 1-300 can move relative to the fixed part 1-900 within the first range of motion. The range of motion of the second movable part 1-400 along with the first movable part 1-300 between the first stop element 1-1101 and the third stop element 1-1201 is defined as the second range of motion, and the second movable part 1-400 can move relative to the fixed part 1-900 within the second range of motion, and the first range of motion is different from the second range of motion. The range of motion of the second movable part 1-400 between the fifth stop element 1-1301 and the seventh stop element 1-1401 is defined as the third range of motion, and the second movable part 1-400 can move relative to the first movable part 1-300 within the third range of motion. In some embodiments according to this disclosure, the movements of both the first movable part 1-300 and the second movable part 1-400 are movements in the Z direction. In some embodiments, the first range of motion is smaller than the second range of motion, and the third range of motion is smaller than the first range of motion.

[0239] Please refer to the following as well. Figure 6 and Figure 7 . Figure 6 and Figure 7 Perspective and top views of the configurations of the first guide structure 1-500 and the second guide structure 1-600 according to some embodiments are shown respectively. In some embodiments, the first guide structure 1-500 is used to guide the first movable part 1-300 to move relative to the fixed part 1-900 in a first dimension, and the second guide structure 1-600 is used to guide the second movable part 1-400 to move relative to the first movable part 1-300 in a second dimension. Figure 6 In the embodiment shown, the first dimension is the motion in the first direction 1-D1, the second dimension is the motion in the third direction 1-D3, and the first direction 1-D1 is parallel to the third direction 1-D3.

[0240] In some embodiments, the first guide structure 1-500 includes a first guide element 1-510, a second guide element 1-520, a third guide element 1-530, a fourth guide element 1-540, a fifth guide element 1-550, and a sixth guide element 1-560. The first guide element 1-510 has an elongated structure and extends along a first direction 1-D1. Both ends of the first guide element 1-510 are fixedly disposed at the fixing portion 1-900. The second guide element 1-520 is located in the first movable portion 1-300 and has an opening structure corresponding to the portion of the first guide element 1-510. The third guide element 1-530 is located in the second movable portion 1-400 and also has an opening structure corresponding to the portion of the first guide element 1-510. Figure 6In the illustrated embodiment, the first guide element 1-510 passes through the second guide element 1-520 in the first movable portion 1-300 and the third guide element 1-530 in the second movable portion 1-400, and the shortest distance between the first guide element 1-510 and the first movable portion 1-300 is less than the shortest distance between the first guide element 1-510 and the second movable portion 1-400. More specifically, the main purpose of providing the first guide element 1-510 is to accurately position the first movable portion 1-300; therefore, the fit between the first guide element 1-510 and the first movable portion 1-300 is tighter than the fit between the first guide element 1-510 and the second movable portion 1-400. In some embodiments, although the first guide element 1-510 passes through the third guide element 1-530 in the second movable portion 1-400, the first guide element 1-510 does not directly contact the second movable portion 1-400.

[0241] Similarly, the fourth guide element 1-540 has an elongated structure, extending along the first direction 1-D1, and is arranged parallel to the first guide element 1-510. Both ends of the fourth guide element 1-540 are fixedly disposed at the fixing portion 1-900. The fifth guide element 1-550 is located at the first movable portion 1-300, and has an opening structure corresponding to the portion of the fourth guide element 1-540. The sixth guide element 1-560 is located at the second movable portion 1-400, and also has an opening structure corresponding to the portion of the fourth guide element 1-540. Figure 6 In the illustrated embodiment, the fourth guide element 1-540 passes through the fifth guide element 1-550 in the first movable portion 1-300 and the sixth guide element 1-560 in the second movable portion 1-400, and the shortest distance between the fourth guide element 1-540 and the first movable portion 1-300 is less than the shortest distance between the fourth guide element 1-540 and the second movable portion 1-400. More specifically, the main purpose of providing the fourth guide element 1-540 is to position the first movable portion 1-300; therefore, the fit between the fourth guide element 1-540 and the first movable portion 1-300 is tighter than the fit between the fourth guide element 1-540 and the second movable portion 1-400. In some embodiments, although the fourth guide element 1-540 passes through the sixth guide element 1-560 in the second movable portion 1-400, the fourth guide element 1-540 does not directly contact the second movable portion 1-400. In some specific embodiments, the shortest distance between the first guide element 1-510 and the first movable part 1-300 is less than the shortest distance between the fourth guide element 1-540 and the first movable part 1-300.

[0242] In some embodiments, when viewed along the first direction 1-D1 (Z direction), the second guide element 1-520 through which the first guide element 1-510 passes may have a V-shaped opening structure, such that the first guide element 1-510 is tangent to the two inclined surfaces of the V-shaped structure, restricting the movement of the first guide element 1-510 in the X or Y direction, thus achieving a fixed position. In this way, the user can easily set the axis of the first guide element 1-510 to the desired position. On the other hand, the fifth guide element 1-550 through which the fourth guide element 1-540 passes may be an opening structure without special features (e.g., a general rectangle, circle, etc.). By precisely positioning only one of the first guide element 1-510 and the fourth guide element 1-540, errors generated during the manufacturing process can be tolerated, improving usability.

[0243] In some embodiments, when viewed along a second direction (Y direction) perpendicular to the first direction 1-D1, the opening structure of the second guide element 1-520 has a second center 1-B, and the opening structure of the fifth guide element 1-550 has a fifth center 1-E. The second center 1-B and the fifth center 1-E form a first connecting line 1-L1. The first connecting line 1-L1 is neither parallel nor perpendicular to the first direction 1-D1 (Z direction). In some embodiments, when viewed along the second direction, the opening structure of the third guide element 1-530 has a third center 1-C, and the opening structure of the sixth guide element 1-560 has a sixth center 1-F. The third center 1-C and the sixth center 1-F form a second connecting line 1-L2. The second connecting line 1-L2 is neither parallel nor perpendicular to the first direction 1-D1. In some embodiments, the angle between the first connecting line 1-L1 and the second connecting line 1-L2 is less than 45 degrees.

[0244] In some embodiments, the second guide structure 1-600 includes a seventh guide element 1-610, an eighth guide element 1-620, a ninth guide element 1-630, and a tenth guide element 1-640. The seventh guide element 1-610 has an elongated structure extending along a third direction 1-D3. Both ends of the seventh guide element 1-610 are fixedly disposed in the first movable portion 1-300. The eighth guide element 1-620 is located in the second movable portion 1-400 and has an opening structure corresponding to the portion of the seventh guide element 1-610. Figure 6 In the embodiment shown, the seventh guide element 1-610 passes through the eighth guide element 1-620 in the second movable part 1-400.

[0245] Similarly, the ninth guide element 1-630 has an elongated structure, extending along a third direction 1-D3, and is arranged parallel to the seventh guide element 1-610. Both ends of the ninth guide element 1-630 are fixedly disposed in the first movable portion 1-300. The tenth guide element 1-640 is located in the second movable portion 1-400, and has an opening structure corresponding to the portion of the ninth guide element 1-630. Figure 6 In the illustrated embodiment, the ninth guide element 1-630 passes through the tenth guide element 1-640 in the second movable portion 1-400. In some specific embodiments, the shortest distance between the seventh guide element 1-610 and the second movable portion 1-400 is less than the shortest distance between the ninth guide element 1-630 and the second movable portion 1-400.

[0246] In some embodiments, when viewed along the first direction 1-D1 (Z direction), the eighth guide element 1-620 through which the seventh guide element 1-610 passes may have a V-shaped opening structure similar to the second guide element 1-520 described above, and the tenth guide element 1-640 through which the ninth guide element 1-630 passes may be an opening structure without a special structure (e.g., a general rectangle, circle, etc.). By precisely positioning only one of the seventh guide element 1-610 and the ninth guide element 1-630, errors generated during the manufacturing process can be tolerated, improving usability.

[0247] In some embodiments, when viewed along the second direction, the opening structure of the eighth guide element 1-620 has an eighth center 1-H, and the opening structure of the tenth guide element 1-640 has a tenth center 1-J. The eighth center 1-H and the tenth center 1-J form a third connecting line 1-L3. The third connecting line 1-L3 is neither parallel nor perpendicular to the first direction 1-D1.

[0248] In some embodiments according to this disclosure, the maximum dimension of the seventh guide element 1-610 in the third direction 1-D3 is smaller than the maximum dimension of the first guide element 1-510 in the first direction 1-D1. That is, the seventh guide element 1-610 has a different length than the first guide element 1-510, and the seventh guide element 1-610 is shorter than the first guide element 1-510. Similarly, the maximum dimension of the ninth guide element 1-630 in the third direction 1-D3 is smaller than the maximum dimension of the fourth guide element 1-540 in the first direction 1-D1. That is, the ninth guide element 1-630 has a different length than the fourth guide element 1-540, and the ninth guide element 1-630 is shorter than the fourth guide element 1-540. In some embodiments, the lengths of the first guide element 1-510 and the fourth guide element 1-540 are the same, and the lengths of the seventh guide element 1-610 and the ninth guide element 1-630 are the same. However, the lengths of the guide elements described above are not intended to be limiting, and a suitable length can be selected according to the user's needs.

[0249] Furthermore, in some embodiments, the view is taken along a second direction (e.g.: Figure 7 From a certain perspective, the first guide element 1-510 and the seventh guide element 1-610 at least partially overlap, and the fourth guide element 1-540 and the ninth guide element 1-630 at least partially overlap. In some embodiments, the first guide element 1-510 has a first center 1-A, and the fourth guide element 1-540 has a fourth center 1-D. The first center 1-A and the fourth center 1-D form a fourth connecting line 1-L4. The fourth connecting line 1-L4 is perpendicular to the first direction 1-D1 and also perpendicular to the second direction (Y direction). In some embodiments, the seventh guide element 1-610 has a seventh center 1-G, and the ninth guide element 1-630 has a ninth center 1-I. The seventh center 1-G and the ninth center 1-I form a fifth connecting line 1-L5. The fifth connecting line 1-L5 is perpendicular to the second direction, and the fifth connecting line 1-L5 is neither parallel nor perpendicular to the third direction 1-D3.

[0250] Next, please refer to [the document / reference] again. Figures 1 to 3 In some embodiments, the first movable part 1-300 includes a first connecting reinforcement part 1-310 and a first connecting element 1-320. For example... Figure 2 As shown, the first connecting element 1-320 may be disposed on the first connecting reinforcement portion 1-310. In some embodiments, the first optical element 1-100 includes a first extension portion 1-110 protruding toward the first connecting reinforcement portion 1-310, such as... Figure 1As shown. When viewed along the second direction (Y direction), the first connecting reinforcement 1-310 at least partially overlaps with the first extension 1-110 of the first optical element 1-100, and the first extension 1-110 is connected to the first connecting reinforcement 1-310 via the first connecting element 1-320. When viewed along the third direction 1-D3 (or Z direction), the first extension 1-110 of the first optical element 1-100 at least partially overlaps with the seventh guiding element 1-610. By providing the first connecting reinforcement 1-310 and the first extension 1-110, the connection between the first movable part 1-300 and the first optical element 1-100 can be strengthened, improving the stability of the mechanism.

[0251] Similarly, in some embodiments, the second movable part 1-400 includes a second connecting reinforcement part 1-410 and a second connecting element 1-420. For example... Figure 3 As shown, the second connecting element 1-420 may be disposed on the second connecting reinforcement portion 1-410. In some embodiments, the second optical element 1-200 includes a second extension 1-210 protruding toward the second connecting reinforcement portion 1-410, such as... Figure 1 As shown. When viewed along the second direction (Y direction), the second connecting reinforcement 1-410 at least partially overlaps with the second extension 1-210 of the second optical element 1-200, and the second extension 1-210 is connected to the second connecting reinforcement 1-410 via the second connecting element 1-420. When viewed along the third direction 1-D3, the second extension 1-210 of the second optical element 1-200 at least partially overlaps with the ninth guiding element 1-630. By providing the second connecting reinforcement 1-410 and the second extension 1-210, the connection between the second movable part 1-400 and the second optical element 1-200 can be strengthened, improving the stability of the mechanism.

[0252] In some embodiments, when viewed along the second direction, the first connecting reinforcement 1-310 has a center overlapping with the second center 1-B, and the second connecting reinforcement 1-410 has a center overlapping with the sixth center 1-F. The centers of the first connecting reinforcement 1-310 and the centers of the second connecting reinforcement 1-410 form a sixth connecting line 1-L6. The sixth connecting line 1-L6 is neither parallel nor perpendicular to the first direction 1-D1. Notably, when viewed along the second direction, the sixth connecting line 1-L6 intersects with the fifth connecting line 1-L5 (the connecting line formed by the centers of the seventh guide element 1-610 and the ninth guide element 1-630).

[0253] Figure 8 A right view of optical systems 1-10 is shown according to some embodiments. Figure 8As shown, the first driving assembly 1-700 includes a first magnetic element 1-710 and a first coil 1-720. The first magnetic element 1-710 is connected to the bottom of the first movable part 1-300, and the first coil 1-720 is fixedly disposed on the fixed part 1-900. The electromagnetic driving force generated between the first magnetic element 1-710 and the first coil 1-720 drives the first movable part 1-300 to move in the first direction 1-D1. Similarly, the second driving assembly 1-800 includes a second magnetic element 1-810 and a second coil 1-820. The second magnetic element 1-810 is connected to the bottom of the second movable part 1-400, and the second coil 1-820 is fixedly disposed on the fixed part 1-900. The electromagnetic driving force generated between the second magnetic element 1-810 and the second coil 1-820 drives the second movable part 1-400 to move in the third direction 1-D3. As described above, during operation, the first drive assembly 1-700 is first controlled to move the first movable part 1-300 to the desired position. After the first movable part 1-300 reaches its position, the second drive assembly 1-800 is then controlled to precisely adjust the position of the second movable part 1-400. Since the second movable part 1-400 does not need to actively move a long distance, the control accuracy of the second drive assembly 1-800 can be effectively improved.

[0254] In summary, the optical system 1-10 of this disclosure includes multiple optical elements (e.g., a first optical element 1-100 and a second optical element 1-200). Multiple driving components (e.g., a first driving component 1-700 and a second driving component 1-800) drive the optical elements to move relative to the fixed portion 1-900 and / or relative to each other, achieving effects such as optical zoom or optical focusing. By providing multiple stop components (e.g., a first stop component 1-1100, a second stop component 1-1200, a third stop component 1-1300, and a fourth stop component 1-1400), the first movable portion 1-300 can drive the second movable portion 1-400 to move together during movement. After the first movable portion 1-300 and the first optical element 1-100 reach their positions, the positions of the second movable portion 1-400 and the second optical element 1-200 are then finely adjusted. This effectively improves the accuracy of control and the stability of the overall mechanism, providing better optical quality.

[0255] Second Embodiment

[0256] This disclosure provides an optical system including multiple optical elements that can move relative to each other to achieve effects such as optical zoom or optical focus. In some embodiments, during operation, to reduce the deflection of the optical elements, a second optical element is moved synchronously while a first optical element moves. After the first optical element reaches the desired position, the second optical element is further fine-tuned to move to the desired position. In some embodiments, each optical element in the optical system is connected to a movable part, and each movable part is moved by a driving component (e.g., including a magnetic element and a coil). The position of the movable part is sensed by a sensing component (e.g., including a reference magnetic element and a sensor). In the optical system provided by this disclosure, the configuration of the driving component and the sensing component avoids magnetic field interference between them, achieving good driving and sensing effects and improving the optical quality of the optical system.

[0257] First, please refer to... Figure 9 . Figure 9 A perspective view of optical systems 2-10 is shown according to some embodiments. (As shown) Figure 9 As shown, the optical system 2-10 mainly includes: a first optical element 2-100, a second optical element 2-200, a first movable part 2-300, a second movable part 2-400, a first driving assembly 2-700, a second driving assembly 2-800, a fixing part 2-900, and a circuit assembly 2-1800. In some embodiments, the first optical element 2-100 and the second optical element 2-200 may each include one or more lenses, forming their own independent lens groups. In some specific embodiments, the first optical element 2-100 is used for optical zoom, and the second optical element 2-200 is used for optical focusing. Of course, the functions of the two can be adjusted or interchanged according to user needs. Figure 9 In this embodiment, the first optical element 2-100 is connected to the first movable part 2-300, and the first driving assembly 2-700 drives the first movable part 2-300 and the first optical element 2-100 to move relative to the fixed part 2-900. Similarly, the second optical element 2-200 is connected to the second movable part 2-400, and the second driving assembly 2-800 drives the second movable part 2-400 and the second optical element 2-200 to move relative to the fixed part 2-900. It should be noted that the second movable part 2-400 can move relative to the first movable part 2-300, which will be described in detail below.

[0258] Next, please refer to the following: Figure 9 and Figure 10 . Figure 10 A top view of optical system 2-10 is shown according to some embodiments, wherein the first optical element 2-100 and the second optical element 2-200 are omitted. Figure 10 As shown, the first movable part 2-300 and the second movable part 2-400 are arranged along a first direction 2-D1. In embodiments of this disclosure, the first direction 2-D1 is parallel to the Z direction in the figures. The first movable part 2-300 includes a first support part 2-310, a first guide part 2-330, and a first connecting part 2-350. In some embodiments, the first support part 2-310 may be made of plastic and corresponds to and is connected to the first drive assembly 2-700. The first support part 2-310 is movably connected to the fixed part 2-900, so that the first movable part 2-300 can move relative to the fixed part 2-900. The first guide part 2-330 may be made of plastic and is movably connected to the second movable part 2-400. The second movable part 2-400 can move relative to the first movable part 2-300 via the first guide part 2-330. The first connecting part 2-350 may be made of a magnetically conductive material (e.g., metal). The first support portion 2-310 is fixedly connected to the first guide portion 2-330 via the first connecting portion 2-350, forming a first movable portion 2-300 that can move together with the fixed portion 2-900. In some embodiments, a first connecting reinforcement portion (e.g., the surface facing the first optical element 2-100) of the first support portion 2-310 has a first contact surface 2-315, corresponding to the first extension portion 2-110 of the first optical element 2-100 (see...). Figure 9 The first extension 2-110 is fixedly connected to the first carrier 2-310 via a first adhesive. In some embodiments, the first guide 2-330 has a second bonding surface 2-335 corresponding to the first optical element 2-100 on the opposite side of the first extension 2-110. The first guide 2-330 directly contacts the first optical element 2-100, and the first optical element 2-100 is fixedly connected to the first guide 2-330 via a second adhesive. In some embodiments, the maximum dimension of the first carrier 2-310 in the first direction 2-D1 is greater than the maximum dimension of the first guide 2-330 in the first direction 2-D1. In some embodiments, the first adhesive and the second adhesive are the same. In some other embodiments, the first adhesive and the second adhesive are different.

[0259] Similarly, the second movable part 2-400 includes a second support part 2-410, a second guide part 2-430, and a second connecting part 2-450. In some embodiments, the second support part 2-410 may be made of plastic and corresponds to and connects to the second drive assembly 2-800. The second support part 2-410 is movably connected to the fixed part 2-900, so that the second movable part 2-400 can move relative to the fixed part 2-900. The second guide part 2-430 may be made of plastic and is movably connected to the first movable part 2-300. The second movable part 2-400 can move relative to the first movable part 2-300 via the second guide part 2-430. The second connecting part 2-450 may be made of a magnetically conductive material (e.g., metal). The second support portion 2-410 is fixedly connected to the second guide portion 2-430 via the second connecting portion 2-450, forming a second movable portion 2-400 that can move together relative to the fixed portion 2-900 and the first movable portion 2-300. In some embodiments, a second connecting reinforcement portion (e.g., the surface facing the second optical element 2-200) of the second support portion 2-410 has a third bonding surface 2-415, corresponding to the second extension portion 2-210 of the second optical element 2-200 (see...). Figure 9 The second extension 2-210 is fixedly connected to the second carrier 2-410 via a third adhesive. In some embodiments, the second guide 2-430 has a fourth bonding surface 2-435, corresponding to the second optical element 2-200 on the opposite side of the second extension 2-210. The second guide 2-430 directly contacts the second optical element 2-200, and the second optical element 2-200 is fixedly connected to the second guide 2-430 via a fourth adhesive. In some embodiments, the maximum dimension of the second carrier 2-410 in the first direction 2-D1 is greater than the maximum dimension of the second guide 2-430 in the first direction 2-D1. In some embodiments, the third adhesive and the fourth adhesive are the same. In some other embodiments, the third adhesive and the fourth adhesive are different.

[0260] Furthermore, according to some embodiments of this disclosure, the fixing part 2-900 includes a light inlet 2-920 and a light outlet 2-930. Light enters the optical system 2-10 through the light inlet 2-920 and exits the optical system 2-10 through the light outlet 2-930. In some embodiments, the optical system 2-10 further includes a third optical element 2-1000. The third optical element 2-1000 may include one or more lenses, forming an independent lens group. The third optical element 2-1000 may be fixedly disposed on the fixing part 2-900. Figure 10In the illustrated embodiment, the third optical element 2-1000 is disposed on the light inlet 2-920 side of the fixing part 2-900. However, in other embodiments, the third optical element 2-1000 may also be disposed on the light outlet 2-930 side. Alternatively, a third optical element 2-1000 may be disposed on both the light inlet 2-920 and the light outlet 2-930. The third optical element 2-1000, together with the first optical element 2-100 and the second optical element 2-200, forms an optical unit to determine the optical effect of the optical system 2-10.

[0261] Please refer to Figure 11 . Figure 11 The diagram shows a right view of the optical system 2-10 according to some embodiments, wherein the first optical element 2-100 and the second optical element 2-200 are omitted. In some embodiments, the view is taken along a first direction 2-D1 (i.e., Figure 11 From the perspective of [the location], the first support portion 2-310 and the second guide portion 2-430 at least partially overlap, and the second support portion 2-410 and the first guide portion 2-330 at least partially overlap. Furthermore, by [the location]... Figure 11 It can be seen that the second connecting part 2-450 of the second movable part 2-400 has a plate-like structure and is at least partially embedded in the second supporting part 2-410 and at least partially embedded in the second guiding part 2-430. Figure 11 In the illustrated embodiment, the embedded portion of the second connecting part 2-450 has a bent structure to strengthen the connection with the second supporting part 2-410 and the second guiding part 2-430. However, the second connecting part 2-450 can be any suitable shape and is not limited to the embodiment shown in the accompanying drawings. Similarly, the first connecting part 2-350 of the first movable part 2-300 has a similar structure to the second connecting part 2-450 and is at least partially embedded in the first supporting part 2-310 and at least partially embedded in the first guiding part 2-330.

[0262] In this disclosure, the first movable part 2-300 and the second movable part 2-400 can move relative to the fixed part 2-900 in the first direction 2-D1. (See again...) Figure 10When the first movable part 2-300 moves to the left until the first supporting part 2-310 contacts the fixed part 2-900, the first movable part 2-300 is at a first extreme position. When the first movable part 2-300 moves together with the second movable part 2-400 to the right until the second supporting part 2-410 contacts the fixed part 2-900, and the first movable part 2-300 continues to move to the right until the first guiding part 2-330 contacts the second supporting part 2-410, the first movable part 2-300 is at a second extreme position. The range of motion of the first movable part 2-300 between the first extreme position and the second extreme position is defined as the first range of motion. The first movable part 2-300 can move relative to the fixed part 2-900 within the first range of motion. When the first movable part 2-300 is at the first extreme position, and the second movable part 2-400 continues to move to the left until the second guide part 2-430 contacts the first support part 2-310, the second movable part 2-400 is at a third extreme position. When the first movable part 2-300 drives the second movable part 2-400 to move to the right until the second support part 2-410 contacts the fixed part 2-900, the second movable part 2-400 is at a fourth extreme position. The range of motion of the second movable part 2-400 between the third and fourth extreme positions is defined as the second range of motion. The second movable part 2-400 can move relative to the fixed part 2-900 within the second range of motion, and the first range of motion is different from the second range of motion. In the embodiments according to this disclosure, the second movable part 2-400 can move relative to the first movable part 2-300. When the second movable part 2-400 moves to the left relative to the first movable part 2-300 until the second supporting part 2-410 contacts the first guiding part 2-330, the second movable part 2-400 is located at a fifth extreme position. And when the second movable part 2-400 moves to the right relative to the first movable part 2-300 until the first supporting part 2-310 contacts the second guiding part 2-430, the second movable part 2-400 is located at a sixth extreme position. The range of motion of the second movable part 2-400 between the fifth and sixth extreme positions is defined as a third range of motion. The second movable part 2-400 can move relative to the first movable part 2-300 within this third range of motion. In some embodiments, the first range of motion is smaller than the second range of motion, and the third range of motion is smaller than the first range of motion.

[0263] Next, please refer to the following: Figures 9 to 13 . Figure 12 The diagram shows a top view of an optical system 2-10 according to some embodiments, wherein the first optical element 2-100, the second optical element 2-200, the first movable part 2-300, and the second movable part 2-400 are omitted. Figure 13 A front view of the optical system 2-10 is shown according to some embodiments. Figure 12As shown, the first driving assembly 2-700 is at least partially disposed on the first carrier portion 2-310, electrically connected to the circuit assembly 2-1800, and includes a first magnetic element 2-710 and a first coil 2-720. In some embodiments, the first magnetic element 2-710 is fixedly disposed on the first carrier portion 2-310, located on the first contact surface 2-315 (see...). Figure 10 On the opposite side of the first magnetic element 2-710, the first coil 2-720 is disposed on the fixing part 2-900. The first coil 2-720 has a first axis 2-727 (see...). Figure 13 The first axis 2-727 extends in a direction parallel to the first direction 2-D1. The first movable part 2-300 is driven to move relative to the fixed part 2-900 by the electromagnetic driving force generated between the first magnetic element 2-710 and the first coil 2-720. Similarly, the second driving assembly 2-800 is at least partially disposed on the second support part 2-410, electrically connected to the circuit assembly 2-1800, and includes a second magnetic element 2-810 and a second coil 2-820. In some embodiments, the second magnetic element 2-810 is fixedly disposed on the second support part 2-410, located on the third contact surface 2-415 (see...). Figure 10 On the opposite side of the second magnetic element 2-810, the second coil 2-820 is disposed on the fixing part 2-900. The second coil 2-820 has a second axis 2-827 (see...). Figure 13 The extension direction of the second axis 2-827 is also parallel to the first direction 2-D1. The electromagnetic driving force generated between the second magnetic element 2-810 and the second coil 2-820 drives the second movable part 2-400 to move relative to the fixed part 2-900.

[0264] Observe along the second direction 2-D2 (X direction) Figure 13 In this configuration, the first driving assembly 2-700 and the second driving assembly 2-800 at least partially overlap. For example, the first magnetic element 2-710 and the second magnetic element 2-810 at least partially overlap. Alternatively, the first coil 2-720 and the second coil 2-820 at least partially overlap. Furthermore, as... Figure 13As shown, when viewed along the second direction 2-D2, the first magnetic element 2-710 and the first coil 2-720 do not overlap, nor do the second magnetic element 2-810 and the second coil 2-820. In some embodiments, due to the different ranges of motion of the first movable part 2-300 and the second movable part 2-400, the maximum size of the first magnetic element 2-710 in the first direction 2-D1 is different from the maximum size of the second magnetic element 2-810 in the first direction 2-D1. In some specific embodiments, the maximum size of the first magnetic element 2-710 in the first direction 2-D1 is smaller than the maximum size of the second magnetic element 2-810 in the first direction 2-D1. In some embodiments, the maximum size of the first coil 2-720 in the first direction 2-D1 (or the extension direction of the first axis 2-727) is the same as the maximum size of the second coil 2-820 in the first direction 2-D1.

[0265] Observe along the third direction 2-D3 (Y direction) Figure 12 The first magnetic element 2-710 has a center 2-715, the first coil 2-720 has a center 2-725, and the second magnetic element 2-810 has a center 2-815, and the second coil 2-820 also has a center 2-825. Centers 2-715 and 2-815 form a first connecting line 2-L1. The first connecting line 2-L1 is neither parallel nor perpendicular to the first direction 2-D1. Centers 2-725 and 2-825 form a second connecting line 2-L2. The second connecting line 2-L2 is neither parallel nor perpendicular to the first direction 2-D1.

[0266] like Figure 11 As shown, in some embodiments, the fixing part 2-900 includes a frame 2-910, and the first optical element 2-100, the second optical element 2-200, the first movable part 2-300, and the second movable part 2-400 are all disposed in the frame 2-910. The first coil 2-720 and the second coil 2-820 are fixedly disposed in the frame 2-910. Figure 11 In the illustrated embodiment, frame 2-910 has multiple opening structures 2-915. The first coil 2-720 and the second coil 2-820 can pass through the opening structures 2-915 and protrude from frame 2-910. Figure 11 As shown, the opening structures 2-915 can have any suitable size; for example, the two outer opening structures 2-915 may be larger, and the two inner opening structures 2-915 may be smaller. In some embodiments, the frame 2-910 is made of a magnetically conductive material. In some specific embodiments, the frame 2-910 is made of a metallic material.

[0267] In some embodiments according to this disclosure, the optical system 2-10 further includes a first sensing component 2-1500 and a second sensing component 2-1600. The first sensing component 2-1500 is used to sense the movement of the first movable part 2-300 relative to the fixed part 2-900, and the second sensing component 2-1600 is used to sense the movement of the second movable part 2-400 relative to the fixed part 2-900. The first sensing component 2-1500 and the second sensing component 2-1600 can be any suitable position sensing component, such as a Hall effect sensor, a tunneling magnetoresistance effect sensor (TMR sensor), or a giant magnetoresistance effect sensor (GMRSensor), etc.

[0268] Next, please refer to the following: Figure 14 and Figure 15 . Figure 14 The diagram shows a structural schematic of a first reference magnetic element 2-1510 or a second reference magnetic element 2-1610 according to some embodiments. Figure 15 A perspective view of an optical system 2-10 according to some embodiments is shown, wherein the first optical element 2-100 and the second optical element 2-200 are omitted. In some embodiments, the first sensing assembly 2-1500 includes a first reference magnetic element 2-1510 and a first sensor 2-1520. In some embodiments, the first reference magnetic element 2-1510 is fixedly disposed on a first movable portion 2-300, for example, on a first support portion 2-310. Figure 14 As shown, the first reference magnetic element 2-1510 includes a plurality of first pole pairs 2-1515 having N poles and S poles, each first pole pair 2-1515 comprising a set of N poles and S poles. The plurality of first pole pairs 2-1515 are arranged in a first direction 2-D1. In each first pole pair 2-1515, the N poles and S poles are arranged in the direction of the first magnetic pole direction 2-M1. In this embodiment, the first magnetic pole direction 2-M1 is perpendicular to the first direction 2-D1. In some embodiments, a first sensor 2-1520 is fixedly disposed on a fixing portion 2-900, corresponding to the first reference magnetic element 2-1510. Viewed along the first magnetic pole direction 2-M1, the first reference magnetic element 2-1510 and the first sensor 2-1520 at least partially overlap. Furthermore, in some embodiments, the maximum size of the first reference magnetic element 2-1510 in the first direction 2-D1 is smaller than the maximum size of the first magnetic element 2-710 in the first direction 2-D1.

[0269] Similarly, in some embodiments, the second sensing component 2-1600 includes a second reference magnetic element 2-1610 and a second sensor 2-1620. In some embodiments, the second reference magnetic element 2-1610 is fixedly disposed on the second movable portion 2-400, for example, on the second support portion 2-410. Figure 14 As shown, the second reference magnetic element 2-1610 includes a plurality of second magnetic pole pairs 2-1615 having N poles and S poles, each second magnetic pole pair 2-1615 comprising a set of N poles and S poles. The plurality of second magnetic pole pairs 2-1615 are arranged in a first direction 2-D1. In each second magnetic pole pair 2-1615, the N poles and S poles are arranged in a second magnetic pole direction 2-M2. In this embodiment, the second magnetic pole direction 2-M2 is perpendicular to the first direction 2-D1. In some embodiments, the second sensor 2-1620 is fixedly disposed on the fixing portion 2-900, corresponding to the second reference magnetic element 2-1610. Viewed along the second magnetic pole direction 2-M2, the second reference magnetic element 2-1610 and the second sensor 2-1620 at least partially overlap. Furthermore, in some embodiments, the maximum size of the second reference magnetic element 3-1610 in the first direction 2-D1 is smaller than the maximum size of the second magnetic element 2-810 in the first direction 2-D1.

[0270] In some embodiments, the first magnetic pole direction 2-M1 is parallel to the second magnetic pole direction 2-M2. In some embodiments, the first magnetic element 2-710 includes a set of N poles and S poles, and the N poles and S poles are arranged in the direction of the third magnetic pole direction 2-M3. The second magnetic element 2-810 includes a set of N poles and S poles, and the N poles and S poles are arranged in the direction of the fourth magnetic pole direction 2-M4. In some embodiments, the third magnetic pole direction 2-M3 is parallel to the fourth magnetic pole direction 2-M4. In some embodiments, the first magnetic pole direction 2-M1 is not parallel to the third magnetic pole direction 2-M3. In some embodiments, the first magnetic pole direction 2-M1 is not parallel to the fourth magnetic pole direction 2-M4. In some embodiments, the second magnetic pole direction 2-M2 is not parallel to the third magnetic pole direction 2-M3. In some embodiments, the second magnetic pole direction 2-M2 is not parallel to the fourth magnetic pole direction 2-M4. In some specific embodiments, the first magnetic pole direction 2-M1 is perpendicular to the third magnetic pole direction 2-M3, and the second magnetic pole direction 2-M2 is perpendicular to the fourth magnetic pole direction 2-M4, to avoid magnetic interference between the driving component and the sensing component. Furthermore, observing along the second direction 2-D2 ( Figure 13 From the perspective of the first reference magnetic element 2-1510 and the second reference magnetic element 2-1610, the first sensor 2-1520 and the second sensor 2-1620 do not overlap.

[0271] Next, please refer to Figure 16 and Figure 17 . Figure 16 A perspective view of the optical system 2-10' is shown according to some other embodiments. Figure 17 A right view of the optical system 2-10' according to some other embodiments is shown, wherein the first optical element 2-100 and the second optical element 2-200 are omitted. Figure 16 and Figure 17 In the accompanying drawings, the functions and structures of the components in optical system 2-10' are the same as or similar to those of the components in optical system 2-10. The only difference is the positional relationship between the components. Therefore, the same component symbols are used in the accompanying drawings to represent the same or similar components, and their details will not be repeated.

[0272] like Figure 16 and Figure 17 As shown, optical system 2-10' is similar to optical system 2-10, including a first optical element 2-100, a second optical element 2-200, a first movable part 2-300, a second movable part 2-400, a first driving assembly 2-700, a second driving assembly 2-800, a first sensing assembly 2-1500, a second sensing assembly 2-1600, and a circuit assembly 2-1800. However, in optical system 2-10', as... Figure 17 As shown, the first magnetic element 2-710 of the first driving assembly 2-700 is fixedly disposed on the side of the first movable part 2-300 in the second direction 2-D2, such that the third magnetic pole direction 2-M3 of the first magnetic element 2-710 is parallel to the second direction 2-D2. Correspondingly, the first coil 2-720 is disposed on the fixed part 2-900, and the extension direction of the first axis 2-727 is still parallel to the first direction 2-D1. Similarly, the second magnetic element 2-810 of the second driving assembly 2-800 is fixedly disposed on the side of the second movable part 2-400 in the second direction 2-D2, such that the fourth magnetic pole direction 2-M4 of the second magnetic element 2-810 is parallel to the second direction 2-D2. Correspondingly, the second coil 2-820 is disposed on the fixed part 2-900, and the extension direction of the second axis 2-827 is still parallel to the first direction 2-D1.

[0273] In some embodiments, when viewed along the second direction 2-D2, the first drive assembly 2-700 and the second drive assembly 2-800 at least partially overlap. For example, the first magnetic element 2-710 and the second magnetic element 2-810 at least partially overlap. Alternatively, the first coil 2-720 and the second coil 2-820 at least partially overlap. Furthermore, as... Figure 17 As shown, when viewed along the first direction 2-D1, the first magnetic element 2-710 does not overlap with the first coil 2-720, and the second magnetic element 2-810 does not overlap with the second coil 2-820 either.

[0274] In the optical system 2-10', the first reference magnetic element 2-1510 of the first sensing component 2-1500 is fixedly disposed on the first movable part 2-300, for example, on the surface of the first support part 2-310 opposite to the first contact surface 2-315. (Refer to the above text) Figure 14 The first reference magnetic element 2-1510 includes a plurality of first magnetic pole pairs 2-1515. In this embodiment, the plurality of first magnetic pole pairs 2-1515 are also arranged in a first direction 2-D1. Furthermore, the first magnetic pole direction 2-M1 is perpendicular to the first direction 2-D1. However, it should be noted that the first magnetic pole direction 2-M1 of the optical system 2-10 is parallel to the second direction 2-D2, while the first magnetic pole direction 2-M1 of the optical system 2-10' is parallel to a third direction 2-D3. Correspondingly, the first sensor 2-1520 is fixedly disposed on the fixing part 2-900, corresponding to the first reference magnetic element 2-1510. Viewed along the first magnetic pole direction 2-M1, the first reference magnetic element 2-1510 and the first sensor 2-1520 at least partially overlap.

[0275] Similarly, in the optical system 2-10', the second reference magnetic element 2-1610 of the second sensing assembly 2-1600 is fixedly disposed on the second movable part 2-400, for example, on the surface of the second support part 2-410 opposite to the third bonding surface 2-415. (Refer to the above text) Figure 14 The second reference magnetic element 2-1610 includes a plurality of second magnetic pole pairs 2-1615. In this embodiment, the plurality of second magnetic pole pairs 2-1615 are also arranged in the first direction 2-D1. Furthermore, the second magnetic pole direction 2-M2 is perpendicular to the first direction 2-D1. However, it should be noted that the second magnetic pole direction 2-M2 of the optical system 2-10 is parallel to the second direction 2-D2, while the second magnetic pole direction 2-M2 of the optical system 2-10' is parallel to the third direction 2-D3. Correspondingly, the second sensor 2-1620 is fixedly disposed on the fixing part 2-900. Viewed along the second magnetic pole direction 2-M2, the second reference magnetic element 2-1610 and the second sensor 2-1620 at least partially overlap.

[0276] exist Figure 17 In this embodiment, the first magnetic pole direction 2-M1 is parallel to the second magnetic pole direction 2-M2, and the third magnetic pole direction 2-M3 is parallel to the fourth magnetic pole direction 2-M4. To avoid magnetic interference between the driving component and the sensing component, the first magnetic pole direction 2-M1 is perpendicular to the third magnetic pole direction 2-M3, and the second magnetic pole direction 2-M2 is perpendicular to the fourth magnetic pole direction 2-M4.

[0277] Next, please refer to Figure 18 . Figure 18This diagram illustrates the connection of the control unit 2-1700 of the optical system 2-10 according to some embodiments. In some embodiments, the optical system 2-10 (or optical system 2-10') further includes a control unit 2-1700. The control unit 2-1700 has a first preset information 2-P1 and a second preset information 2-P2. The first preset information 2-P1 includes the state corresponding to a first magnetic field generated by the first reference magnetic element 2-1510 when the first movable part 2-300 is in different positions relative to the fixed part 2-900. The second preset information 2-P2 includes the state corresponding to a second magnetic field generated by the second reference magnetic element 2-1610 when the second movable part 2-400 is in different positions relative to the fixed part 2-900. The control unit 2-1700 is electrically connected to the first sensor 2-1520 and the second sensor 2-1620 via a circuit assembly 2-1800. The first sensor 2-1520 outputs a first sensing signal 2-S1 to the control unit 2-1700, and the second sensor 2-1620 outputs a second sensing signal 2-S2 to the control unit 2-1700. After receiving the first sensing signal 2-S1 and the second sensing signal 2-S2, the control unit 2-1700 can calculate the position of the first movable part 2-300 relative to the fixed part 2-900 based on the first sensing signal 2-S1 and the first preset information 2-P1, and can calculate the position of the second movable part 2-400 relative to the fixed part 2-900 based on the second sensing signal 2-S2 and the second preset information 2-P2.

[0278] Based on the calculated positions of the first movable part 2-300 and / or the second movable part 2-400, an external controller 2-1900 can output a first command 2-O1 and / or a second command 2-O2 to the control unit 2-1700. The control unit 2-1700 can output a first drive signal 2-DR1 to the first drive assembly 2-700 according to the first command 2-O1, driving the first movable part 2-300 to move. In some embodiments, the movement of the first movable part 2-300 can change the focal length of the optical unit (e.g., including the first optical element 2-100, the second optical element 2-200, and the third optical element 2-1000), enabling the optical system 2-10 to perform a zoom function. The control unit 2-1700 can output a second drive signal 2-DR2 to the second drive assembly 2-800 according to the second command 2-O2, driving the second movable part 2-400 to move. In some embodiments, the movement of the second movable part 2-400 can change the imaging plane of the optical unit, enabling the optical system 2-10 to perform the focusing function.

[0279] In some embodiments, the control unit 2-1700 first outputs a first drive signal 2-DR1 to the first drive assembly 2-700. After the first drive assembly 2-700 drives the first movable part 2-300 to move and the first movable part 2-300 reaches its expected position, the control unit 2-1700 then outputs a second drive signal 2-DR2 to the second drive assembly 2-800, causing the second drive assembly 2-800 to drive the second movable part 2-400 to move to its expected position. In other words, the control unit 2-1700 can control the optical system 2-10 to zoom first and then focus, achieving good optical effects through precise position control.

[0280] In summary, the optical system 2-10 of this disclosure includes multiple optical elements (e.g., a first optical element 2-100 and a second optical element 2-200). Multiple driving components (e.g., a first driving component 2-700 and a second driving component 2-800) drive the optical elements to move relative to the fixed portion 2-900 and / or relative to each other, achieving effects such as optical zoom or optical focusing. Multiple sensing components (e.g., a first sensing component 2-1500 and a second sensing component 2-1600) allow for precise control of the optical element positions. Furthermore, the configuration of the driving and sensing components according to this disclosure avoids magnetic field interference between their magnetic components, maintaining good driving and sensing effects, and improving the optical quality and stability of the optical system. In addition, providing two different configurations, optical system 2-10 and optical system 2-10', further enhances the usability and design flexibility of the overall mechanism.

[0281] Third Embodiment

[0282] This disclosure provides an optical system including multiple optical elements that can move relative to each other to achieve effects such as optical zoom or optical focus. In some embodiments, during operation, to reduce the deflection of the optical elements, a second optical element is moved synchronously while a first optical element moves. After the first optical element reaches the desired position, the second optical element is further fine-tuned to move to the desired position. In some embodiments, each optical element in the optical system is connected to a movable part, and each movable part is moved by a driving assembly (e.g., including a magnetic element and a coil). The position of the movable part is sensed by a sensing assembly (e.g., including a reference magnetic element and a sensor). In the optical system provided in this disclosure, one of the movable parts is movably connected to a fixed part via a flexible circuit assembly, which is further connected to a sensor to sense the relative movement between the two movable parts, achieving a good sensing effect and improving the optical quality of the optical system.

[0283] First, please refer to... Figure 19 . Figure 19 A perspective view of the optical system 3-10 is shown according to some embodiments. (As shown) Figure 19 As shown, the optical system 3-10 mainly includes: a first optical element 3-100, a second optical element 3-200, a first movable part 3-300, a second movable part 3-400, a first driving assembly 3-700, a second driving assembly 3-800, a fixing part 3-900, and a circuit assembly 3-1800. In some embodiments, the first optical element 3-100 and the second optical element 3-200 may each include one or more lenses, forming their own independent lens groups. In some specific embodiments, the first optical element 3-100 is used for optical zoom, and the second optical element 3-200 is used for optical focusing. Of course, the functions of the two can be adjusted or interchanged according to user needs. Figure 19 In this embodiment, the first optical element 3-100 is connected to the first movable part 3-300, and is driven by the first driving assembly 3-700 to move the first movable part 3-300 and the first optical element 3-100 relative to the fixed part 3-900. Similarly, the second optical element 3-200 is connected to the second movable part 3-400, and is driven by the second driving assembly 3-800 to move the second movable part 3-400 and the second optical element 3-200 relative to the fixed part 3-900. It should be noted that the second movable part 3-400 can move relative to the first movable part 3-300, as will be described in detail below.

[0284] Please refer to the following: Figure 19 and Figure 20 . Figure 20 A right view of the optical system 3-10 is shown according to some embodiments. Figure 20As shown, the first driving assembly 3-700 includes a first magnetic element 3-710 and a first coil 3-720, and is at least partially disposed in the first movable portion 3-300. In some embodiments, the first magnetic element 3-710 is fixedly disposed in the first movable portion 3-300. The first coil 3-720 corresponds to the first magnetic element 3-710 and is disposed in the fixed portion 3-900. The electromagnetic driving force generated between the first magnetic element 3-710 and the first coil 3-720 drives the first movable portion 3-300 to move relative to the fixed portion 3-900. Similarly, the second driving assembly 3-800 includes a second magnetic element 3-810 and a second coil 3-820, and is at least partially disposed in the second movable portion 3-400. In some embodiments, the second magnetic element 3-810 is fixedly disposed in the second movable portion 3-400. The second coil 3-820 corresponds to the second magnetic element 3-810 and is disposed in the fixed portion 3-900. The electromagnetic driving force generated between the second magnetic element 3-810 and the second coil 3-820 drives the second movable part 3-400 to move relative to the fixed part 3-900 and the first movable part 3-300.

[0285] like Figure 20 As shown, in some embodiments, the fixing part 3-900 includes a frame 3-910, and the first optical element 3-100, the second optical element 3-200, the first movable part 3-300, and the second movable part 3-400 are all disposed in the frame 3-910. The first coil 3-720 and the second coil 3-820 are fixedly disposed in the frame 3-910. Figure 20 In the illustrated embodiment, frame 3-910 has multiple opening structures 3-915. First coil 3-720 and second coil 3-820 can pass through the opening structures 3-915 and protrude from frame 3-910. Figure 20 As shown, the opening structures 3-915 can have any suitable size; for example, the two outer opening structures 3-915 may be larger, and the two inner opening structures 3-915 may be smaller. In some embodiments, the frame 3-910 is made of a magnetically conductive material. In some specific embodiments, the frame 3-910 is made of metal.

[0286] Next, please refer to Figure 21 . Figure 21 A top view of the optical system 3-10 according to some embodiments is shown. In this disclosure, a first movable part 3-300 and a second movable part 3-400 are arranged along a first direction 3-D1. The first movable part 3-300 and the second movable part 3-400 are movable relative to the fixed part 3-900 in the first direction 3-D1. (Refer to...) Figure 21When the first movable part 3-300 moves to the left until it contacts the fixed part 3-900, the first movable part 3-300 is at a first extreme position. When the first movable part 3-300 moves together with the second movable part 3-400 to the right until the second movable part 3-400 contacts the fixed part 3-900, and the first movable part 3-300 continues to move to the right until it abuts against the second movable part 3-400, the first movable part 3-300 is at a second extreme position. The range of motion of the first movable part 3-300 between the first extreme position and the second extreme position is defined as the first range of motion. The first movable part 3-300 can move relative to the fixed part 3-900 within the first range of motion. When the first movable part 3-300 is at the first extreme position, and the second movable part 3-400 continues to move to the left until it abuts against the first movable part 3-300, the second movable part 3-400 is at a third extreme position. When the first movable part 3-300 moves the second movable part 3-400 together to the right until it contacts the fixed part 3-900, the second movable part 3-400 is at a fourth extreme position. The range of motion of the second movable part 3-400 between the third and fourth extreme positions is defined as the second range of motion. The second movable part 3-400 can move relative to the fixed part 3-900 within the second range of motion, and the first range of motion is different from the second range of motion. In the embodiments according to this disclosure, the second movable part 3-400 can move relative to the first movable part 3-300. When the second movable part 3-400 moves to the left relative to the first movable part 3-300 until it abuts against the first movable part 3-300, the second movable part 3-400 is at a fifth extreme position. And when the second movable part 3-400 moves to the right relative to the first movable part 3-300 until it abuts against the first movable part 3-300, the second movable part 3-400 is at a sixth extreme position. The range of motion of the second movable part 3-400 between the fifth and sixth extreme positions is defined as a third range of motion, and the second movable part 3-400 can move relative to the first movable part 3-300 within this third range of motion. In some embodiments, the first range of motion is smaller than the second range of motion, and the third range of motion is smaller than the first range of motion.

[0287] Furthermore, according to some embodiments of this disclosure, the fixing part 3-900 includes a light inlet 3-920 and a light outlet 3-930. Light enters the optical system 3-10 through the light inlet 3-920 and exits the optical system 3-10 through the light outlet 3-930. In some embodiments, the optical system 3-10 further includes a third optical element 3-1000. The third optical element 3-1000 may include one or more lenses, forming an independent lens group. The third optical element 3-1000 may be fixedly disposed on the fixing part 3-900. Figure 21 In the illustrated embodiment, the third optical element 3-1000 is disposed on the light inlet 3-920 side of the fixing part 3-900. However, in other embodiments, the third optical element 3-1000 may also be disposed on the light outlet 3-930 side. Alternatively, a third optical element 3-1000 may be disposed on both the light inlet 3-920 and the light outlet 3-930. The third optical element 3-1000, together with the first optical element 3-100 and the second optical element 3-200, can form an optical unit to determine the optical effect of the optical system 3-10.

[0288] Reference Figure 21 In some embodiments according to this disclosure, the optical system 3-10 further includes a first sensing component 3-1500 and a second sensing component 3-1600. The first sensing component 3-1500 is used to sense the movement of the first movable part 3-300 relative to the fixed part 3-900, and the second sensing component 3-1600 is used to sense the movement of the second movable part 3-400 relative to the first movable part 3-300. The first sensing component 3-1500 and the second sensing component 3-1600 can be any suitable position sensing component, such as a Hall effect sensor, a tunneling magnetoresistance effect sensor (TMR sensor), or a giant magnetoresistance effect sensor (GMR sensor), etc.

[0289] In some embodiments, the first sensing component 3-1500 includes a first reference magnetic element 3-1510 and a first sensor 3-1520. In some embodiments, the first reference magnetic element 3-1510 is fixedly disposed on the first movable portion 3-300. In some embodiments, the first sensor 3-1520 is fixedly disposed on the fixed portion 3-900, corresponding to the first reference magnetic element 3-1510. Furthermore, in some embodiments, the maximum size of the first reference magnetic element 3-1510 in the first direction 3-D1 is smaller than the maximum size of the first magnetic element 3-710 in the first direction 3-D1.

[0290] In some embodiments, the second sensing component 3-1600 includes a second reference magnetic element 3-1610 and a second sensor 3-1620. In some embodiments, the second reference magnetic element 3-1610 is fixedly disposed on the first movable portion 3-300. In some embodiments, the second sensor 3-1620 is fixedly disposed on the second movable portion 3-400, corresponding to the second reference magnetic element 3-1610. Furthermore, in some embodiments, the maximum size of the second reference magnetic element 3-1610 in the first direction 3-D1 is smaller than the maximum size of the second magnetic element 3-810 in the first direction 3-D1. Also, in some embodiments, the first magnetic element 3-710 and the second magnetic element 3-810 have the same size; therefore, the maximum size of the second reference magnetic element 3-1610 in the first direction 3-D1 is also smaller than the maximum size of the first magnetic element 3-710 in the first direction 3-D1. It should be noted that the second sensing component 3-1600 is used to sense the relative positional relationship between the first movable part 3-300 and the second movable part 3-400. Therefore, in some other embodiments, the positions of the second reference magnetic element 3-1610 and the second sensor 3-1620 can also be interchanged. For example, the second reference magnetic element 3-1610 can be fixedly disposed on the second movable part 3-400, while the second sensor 3-1620 can be fixedly disposed on the first movable part 3-300. Figure 21 In the embodiment shown, the second sensor 3-1620 is disposed on the second active part 3-400 and electrically connected to the first circuit element 3-1810 connected to the second active part 3-400.

[0291] Next, please refer to Figure 22 . Figure 22 A schematic diagram of the structure of the first reference magnetic element 3-1510 is shown according to some embodiments. Figure 22 As shown, the first reference magnetic element 3-1510 includes a plurality of first pole pairs 3-1515 having N and S poles, each first pole pair 3-1515 comprising a set of N and S poles. The plurality of first pole pairs 3-1515 are arranged in a first direction 3-D1. In each first pole pair 3-1515, the N and S poles are arranged in a first magnetic direction 3-M1. In this embodiment, the first magnetic direction 3-M1 is perpendicular to the first direction 3-D1. Viewed along the first magnetic direction 3-M1, the first reference magnetic element 3-1510 and the first sensor 3-1520 at least partially overlap. It should be noted that the first magnetic element 3-710, located on the same side as the first reference magnetic element 3-1510, also includes a pole pair having a set of N and S poles, and the direction of this set of N and S poles is defined as the third magnetic direction 3-M3 (see [link to documentation]). Figure 20In some embodiments, the first magnetic pole direction 3-M1 is not parallel to the third magnetic pole direction 3-M3. When viewed along the third magnetic pole direction 3-M3, the first magnetic element 3-710 and the first reference magnetic element 3-1510 at least partially overlap.

[0292] Next, please refer to Figure 23 . Figure 23 A front view of the optical system 3-10 is shown according to some embodiments. Figure 23 As shown, the second reference magnetic element 3-1610 includes a second pole pair 3-1615 having N and S poles. In the second pole pair 3-1615, the N and S poles are arranged in a second magnetic pole direction 3-M2. In this embodiment, the second magnetic pole direction 3-M2 is parallel to the first direction 3-D1. It should be noted that the second magnetic element 3-810, located on the same side as the second reference magnetic element 3-1610, also includes a pole pair having a set of N and S poles, and the direction of this set of N and S poles is defined as the fourth magnetic pole direction 3-M4 (see [link to documentation]). Figure 20 In some embodiments, the second magnetic pole direction 3-M2 is not parallel to the fourth magnetic pole direction 3-M4. When viewed along the fourth magnetic pole direction 3-M4, the second magnetic element 3-810 does not overlap with the second reference magnetic element 3-1610.

[0293] In some embodiments, in the first direction 3-D1, the maximum size of the second reference magnetic element 3-1610 is smaller than the maximum size of the first reference magnetic element 3-1510. In some embodiments, the first magnetic pole direction 3-M1 is not parallel to the second magnetic pole direction 3-M2. More specifically, in some embodiments, the first magnetic pole direction 3-M1 and the second magnetic pole direction 3-M2 are perpendicular to each other. In some embodiments, the third magnetic pole direction 3-M3 is parallel to the fourth magnetic pole direction 3-M4. In these embodiments, the first magnetic pole direction 3-M1 is not parallel to the third magnetic pole direction 3-M3, and therefore is also not parallel to the fourth magnetic pole direction 3-M4. The second magnetic pole direction 3-M2 is not parallel to the fourth magnetic pole direction 3-M4, and therefore is also not parallel to the third magnetic pole direction 3-M3. It should be noted that the non-parallel magnetic pole directions can avoid magnetic interference between the driving component and the sensing component, improving the stability of the mechanism.

[0294] In some embodiments, when viewed along a second direction 3-D2 perpendicular to the first direction 3-D1, the first reference magnetic element 3-1510 and the second reference magnetic element 3-1610 at least partially overlap. In some embodiments, when viewed along the second direction 3-D2, the first sensor 3-1520 and the second sensor 3-1620 do not overlap.

[0295] Next, please refer to Figure 24 . Figure 24The diagram illustrates the connection of the control unit 3-1700 of the optical system 3-10 according to some embodiments. In some embodiments, the optical system 3-10 further includes a control unit 3-1700. The control unit 3-1700 has a first preset information 3-P1 and a second preset information 3-P2. In some embodiments, the first preset information 3-P1 and the second preset information 3-P2 may be stored in an additional database. The first preset information 3-P1 includes the state corresponding to a first magnetic field generated by a first reference magnetic element 3-1510 when the first movable part 3-300 is in different positions relative to the fixed part 3-900. The second preset information 3-P2 includes the state corresponding to a second magnetic field generated by a second reference magnetic element 3-1610 when the second movable part 3-400 is in different positions relative to the first movable part 3-300. The control unit 3-1700 is electrically connected to the first sensor 3-1520 and the second sensor 3-1620 via a circuit assembly 3-1800. The first sensor 3-1520 outputs a first sensing signal 3-S1 to the control unit 3-1700, and the second sensor 3-1620 outputs a second sensing signal 3-S2 to the control unit 3-1700. After receiving the first sensing signal 3-S1 and the second sensing signal 3-S2, the control unit 3-1700 can calculate the position of the first movable part 3-300 relative to the fixed part 3-900 based on the first sensing signal 3-S1 and the first preset information 3-P1, and can calculate the position of the second movable part 3-400 relative to the first movable part 3-300 based on the second sensing signal 3-S2 and the second preset information 3-P2.

[0296] Based on the calculated positions of the first movable part 3-300 and / or the second movable part 3-400, an external controller 3-1900 can output a first command 3-O1 and / or a second command 3-O2 to the control unit 3-1700. The control unit 3-1700 can output a first drive signal 3-DR1 to the first drive assembly 3-700 according to the first command 3-O1, driving the first movable part 3-300 to move. In some embodiments, the movement of the first movable part 3-300 can change the focal length of the optical unit (e.g., including the first optical element 3-100, the second optical element 3-200, and the third optical element 3-1000), enabling the optical system 3-10 to perform a zoom function. The control unit 3-1700 can output a second drive signal 3-DR2 to the second drive assembly 3-800 according to the second command 3-O2, driving the second movable part 3-400 to move. In some embodiments, the movement of the second movable part 3-400 can change the imaging plane of the optical unit, enabling the optical system 3-10 to perform the focusing function.

[0297] In some embodiments, the control unit 3-1700 first outputs a first drive signal 3-DR1 to the first drive assembly 3-700. The first drive assembly 3-700 drives the first movable part 3-300 to move. After the first movable part 3-300 reaches its expected position, the control unit 3-1700 then outputs a second drive signal 3-DR2 to the second drive assembly 3-800, causing the second drive assembly 3-800 to drive the second movable part 3-400 to move to its expected position. In other words, the control unit 3-1700 can control the optical system 3-10 to zoom first and then focus, achieving good optical effects through precise position control.

[0298] Please refer to the following: Figure 19 and Figure 25 . Figure 25 This diagram shows a partial enlarged top view of a circuit assembly 3-1800 of an optical system 3-10 according to some embodiments. In some embodiments, the circuit assembly 3-1800 may include a first circuit element 3-1810 and a second circuit element 3-1820. The first circuit element 3-1810 connects a first movable portion 3-300 and a fixed portion 3-900. It should be noted that in some embodiments, the first circuit element 3-1810 may also be used to connect a second movable portion 3-400 and a fixed portion 3-900, such as... Figure 25 As shown. The first movable part 3-300 or the second movable part 3-400 can be movably connected to the fixed part 3-900 via the first circuit element 3-1810 of the circuit assembly 3-1800. Viewed along the second direction 3-D2, the first circuit element 3-1810 at least partially overlaps with the first optical element 3-100 and the second optical element 3-200. The second circuit element 3-1820 is disposed on the side of the frame 3-910 of the fixed part 3-900, and can be electrically connected to the first drive assembly 3-700, the second drive assembly 3-800, the first sensing assembly 3-1500, etc., and can also be electrically connected to the second sensing assembly 3-1600 via the first circuit element 3-1810 to supply power.

[0299] like Figure 25 As shown, the first circuit element 3-1810 may include a movable end 3-1811, a fixed end 3-1812, and a flexible portion 3-1813. The movable end 3-1811 is fixedly connected to the second movable portion 3-400 (or the first movable portion 3-300). The fixed end 3-1812 is fixedly connected to the fixed portion 3-900. The movable end 3-1811 is movably connected to the fixed end 3-1812 via the flexible portion 3-1813. In some embodiments, the second sensor 3-1620 of the second sensing component 3-1600 may be disposed on the movable end 3-1811 and electrically connected to the movable end 3-1811.

[0300] like Figure 19 As shown, the flexible portion 3-1813 has a plate-like structure. (Refer to...) Figure 25 The flexible portion 3-1813 may include a first segment 3-1814, a second segment 3-1815, and a third segment 3-1816. The first segment 3-1814 extends along a fourth direction 3-D4. The second segment 3-1815 extends along a fifth direction 3-D5. The third segment 3-1816 extends along a sixth direction 3-D6. Figure 25 In the embodiment shown, the fifth direction 3-D5 may be approximately parallel to the first direction 3-D1, and the fourth direction 3-D4 is not parallel to the fifth direction 3-D5, the fifth direction 3-D5 is not parallel to the sixth direction 3-D6, and the sixth direction 3-D6 is not parallel to the fourth direction 3-D4.

[0301] Please refer to the following: Figure 25 , Figure 26A and Figure 26B . Figure 26A and Figure 26B Schematic diagrams are shown, according to some embodiments, of the first circuit element 3-1810 of the circuit assembly 3-1800 of the optical system 3-10 in a first extreme position and a second extreme position. Since both the first movable part 3-300 and the second movable part 3-400 are movable relative to the fixed part 3-900, the first circuit element 3-1810 will deform accordingly during movement. The first movable part 3-300 is located in an initial position relative to the fixed part 3-900 (e.g., ...). Figure 25 When viewed along the second direction 3-D2 (as shown in the image): the first segment 3-1814 does not overlap with the movable end 3-1811; the second segment 3-1815 does not overlap with the movable end 3-1811; the first segment 3-1814 at least partially overlaps with the fixed end 3-1812; the second segment 3-1815 at least partially overlaps with the fixed end 3-1812. The first movable part 3-300 is located at the first extreme position relative to the fixed part 3-900 (e.g., ...). Figure 26A When viewed along the second direction 3-D2 (as shown in the image), the first segment 3-1814 does not overlap with the movable end 3-1811; the second segment 3-1815 does not overlap with the movable end 3-1811; the first segment 3-1814 does not overlap with the fixed end 3-1812; the second segment 3-1815 does not overlap with the fixed end 3-1812. The first movable part 3-300 is located at the second extreme position relative to the fixed part 3-900 (e.g., ...). Figure 26B When viewed along the second direction 3-D2 at the position shown: the first segment 3-1814 at least partially overlaps with the movable end 3-1811; the second segment 3-1815 does not overlap with the movable end 3-1811; the first segment 3-1814 at least partially overlaps with the fixed end 3-1812; the second segment 3-1815 does not overlap with the fixed end 3-1812.

[0302] It should be understood that the first movable part 3-300 and the second movable part 3-400 described in this disclosure are interchangeable. That is, in alternative embodiments, elements connected to the first movable part 3-300 herein may be connected to the alternative second movable part 3-400, and elements connected to the second movable part 3-400 herein may be connected to the alternative first movable part 3-300. Any embodiment that allows relative movement between the first movable part 3-300 and the second movable part 3-400 falls within the scope of this disclosure.

[0303] In summary, the optical system 3-10 disclosed herein includes multiple optical elements (e.g., a first optical element 3-100 and a second optical element 3-200). Multiple driving components (e.g., a first driving component 3-700 and a second driving component 3-800) drive the optical elements to move relative to the fixed portion 3-900 and / or relative to each other, achieving effects such as optical zoom or optical focusing. Multiple sensing components (e.g., a first sensing component 3-1500 and a second sensing component 3-1600) allow for precise control of the position of the optical elements. Furthermore, providing a flexible circuit assembly (e.g., a first circuit element 3-1810) to connect the movable portion and the fixed portion carrying the optical elements further enables miniaturization of the mechanism.

[0304] While the embodiments and advantages of this disclosure have been disclosed above, it should be understood that any person skilled in the art can make changes, substitutions, and modifications without departing from the concept and scope of this disclosure. Furthermore, the scope of protection of this disclosure 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 disclosure, and can be used according to the present invention as long as it can perform substantially the same function or obtain substantially the same results in the embodiments described herein. Therefore, the scope of protection of this disclosure includes the above-described processes, machines, manufacturing methods, material compositions, apparatuses, methods, and steps. In addition, each claim constitutes an individual embodiment, and the scope of protection of this disclosure also includes combinations of various claims and embodiments.

Claims

1. An optical system, comprising: A first active part, connected to a first optical element; A fixed part, wherein the first movable part is movable relative to the fixed part; A first drive component drives the first movable part to move relative to the fixed part; A first guiding structure guides the first movable part to move relative to the fixed part in a first dimension; A second movable part is connected to a second optical element, and the second movable part is movable relative to the fixed part and the first movable part; and A second drive component drives the second movable part to move relative to the fixed part; The first movable part can move relative to the fixed part within a first range of motion; The second movable part can move relative to the fixed part within a second range of motion, and the first range of motion is different from the second range of motion. The second movable part can move relative to the first movable part within a third range of motion, wherein the first guide structure includes: A first guide element has an elongated strip structure, extends along a first direction, and is fixedly disposed on the fixed portion. The shortest distance between the first guide element and the first movable portion is less than the shortest distance between the first guide element and the second movable portion. A second guide element is located in the first movable part and has an opening structure corresponding to the first guide element; A third guide element is located in the second movable part and has an opening structure corresponding to the first guide element; A fourth guide element has an elongated structure and is arranged parallel to the first guide element. It is fixedly disposed on the fixed part. The shortest distance between the fourth guide element and the first movable part is less than the shortest distance between the fourth guide element and the second movable part. A fifth guide element, located in the first movable portion, has an opening structure corresponding to the fourth guide element; and A sixth guide element, located in the second movable part, has an opening structure corresponding to the fourth guide element; in: When viewed along a second direction perpendicular to the first direction, a second center of the opening structure of the second guide element and a fifth center of the opening structure of the fifth guide element form a first line, which is neither parallel nor perpendicular to the first direction. When viewed along the second direction, a third center of the opening structure of the third guide element and a sixth center of the opening structure of the sixth guide element form a second line, which is neither parallel nor perpendicular to the first direction.

2. The optical system of claim 1, further comprising: A first stop assembly, limiting the movement of the first movable part relative to the fixed part, includes: A first stop element is fixedly disposed on the fixed portion; and A second stop element is fixedly disposed on the first movable part, corresponding to the first stop element; When the first movable part is in a first extreme position relative to the fixed part, the first stop element directly contacts the second stop element; A second stop assembly, limiting the movement of the first movable part relative to the fixed part, includes: A third stop element is fixedly disposed on the fixed part; and A fourth stop element is fixedly disposed on the second movable part, corresponding to the third stop element; When the first movable part is in a second extreme position relative to the fixed part, the third stop element directly contacts the fourth stop element; The first extreme position is different from the second extreme position; A third stop assembly, limiting the movement of the second movable part relative to the first movable part, includes: A fifth stop element is fixedly disposed on the first movable part; and A sixth stop element, corresponding to the fifth stop element, is fixedly disposed in the second movable part; When the second movable part is in a third extreme position relative to the first movable part, the fifth stop element directly contacts the sixth stop element; A fourth stop assembly, limiting the movement of the second movable part relative to the first movable part, includes: A seventh stop element is fixedly disposed on the first movable part; and An eighth stop element, corresponding to the seventh stop element, is fixedly disposed on the second movable part; When the second movable part is in a fourth extreme position relative to the first movable part, the seventh stop element directly contacts the eighth stop element; The third limit position is different from the fourth limit position; in: When the fifth stop element contacts the sixth stop element, the first movable part can drive the second movable part to perform a first movement relative to the fixed part in the first dimension; When the seventh stop element contacts the eighth stop element, the first movable part can drive the second movable part to perform a second movement relative to the fixed part in the first dimension, wherein the first movement and the second movement are opposite in direction.

3. The optical system as claimed in claim 2, wherein: The first stop assembly further includes a first buffer element disposed on the first stop element or the second stop element; The second stop assembly further includes a second buffer element disposed on the third stop element or the fourth stop element; The third stop assembly also includes a third buffer element disposed on the fifth stop element or the sixth stop element; as well as The fourth stop assembly also includes a fourth buffer element disposed on the seventh stop element or the eighth stop element.

4. The optical system of claim 1, further comprising: A second guiding structure guides the second movable part to move relative to the first movable part in a second dimension; Wherein, the first dimension is the movement in the first direction, the second dimension is the movement in the third direction, and the first direction is parallel to the third direction; The second guiding structure includes: A seventh guide element has an elongated structure, extends along the third direction, and is fixedly disposed on the first movable part, wherein the maximum dimension of the seventh guide element in the third direction is smaller than the maximum dimension of the first guide element in the first direction; An eighth guide element, located in the second movable part, has an opening structure corresponding to the seventh guide element; A ninth guide element, having an elongated structure, is arranged parallel to the seventh guide element and fixedly disposed in the first movable portion; and A tenth guide element, located in the second movable part, has an opening structure corresponding to the ninth guide element; in: When viewed along the second direction, the eighth center of the opening structure of the eighth guide element and the tenth center of the opening structure of the tenth guide element form a third line, which is neither parallel nor perpendicular to the first direction.

5. The optical system of claim 4, wherein when viewed along the second direction: The first guiding element and the seventh guiding element at least partially overlap; The fourth guiding element at least partially overlaps with the ninth guiding element; A first center of the first guiding element and a fourth center of the fourth guiding element form a fourth connecting line, which is perpendicular to the first direction and also perpendicular to the second direction; The seventh center of the seventh guiding element and the ninth center of the ninth guiding element form a fifth line, which is perpendicular to the second direction and is neither parallel nor perpendicular to the third direction.

6. The optical system of claim 4, wherein the first movable part includes a first connection reinforcement part and a first bonding element, wherein the first bonding element is disposed on the first connection reinforcement part; The first optical element includes a first extension that protrudes toward the first connection reinforcement portion; When viewed along the second direction, the first connecting reinforcement portion at least partially overlaps with the first extension portion of the first optical element; When viewed along the third direction, the first optical element and the seventh guiding element at least partially overlap.

7. The optical system of claim 6, wherein the second movable part includes a second connection reinforcement part and a second bonding element, wherein the second bonding element is disposed on the second connection reinforcement part; The second optical element includes a second extension that protrudes toward the second connection reinforcement portion; When viewed along the second direction, the second connecting reinforcement portion at least partially overlaps with the second extension portion of the second optical element; When viewed along the third direction, the second optical element at least partially overlaps with the ninth guiding element.

8. The optical system of claim 7, wherein when viewed along the second direction, a center of the first connecting reinforcement portion and a center of the second connecting reinforcement portion form a sixth line, the sixth line being neither perpendicular to nor parallel to the first direction.

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