TWI704374B - Lens device - Google Patents

Abstract

A lens device, in sequence from an object side to an imaging side along an optical axis, comprises a module of lens unit actuator, a first reflecting element and a sensor disposed on the imaging plane. The module of lens unit actuator comprises a plurality of lenses, one of the lenses has the largest clear aperture CAB and another one of the lenses has the smallest clear aperture CAS. The first reflecting element is disposed between the module of lens unit actuator and the sensor. The lens device satisfies 0.7 <(Pz/Ivz)< 1.2, wherein Pz is measured along the optical axis from the image side surface of the lens closest to the imaging side to reflecting surface of the first reflecting element, and Ivz is the length of the sensor measured along the optical axis of the plurality of lenses.

Description

Lens device (5)

The present invention relates to a lens device, in particular to a lens module with two reflective elements.

As shown in Fig. 1, a conventional periscope cell phone lens 200 includes a lens P0, a plurality of lenses, and a photosensitive element IP in sequence from the object end OBJ to the image end IMA. Among the plurality of lenses, at least one lens has the largest effective aperture. In Figure 1, the lens L1 closest to the image end IMA has the largest effective aperture.

However, at present, the resolution of the photosensitive element IP of the periscope cell phone lens 200 continues to increase, making the size of the photosensitive element IP continue to increase, even larger than the maximum effective aperture of the lens in the periscope cell phone lens. This makes the lens module The thickness of the cell phone is too large, which causes the disadvantage that the periscope cell phone lens cannot be thinned, and the overall thickness of the cell phone starts to increase and cannot be further reduced.

In view of this, the object of the present invention is to provide a lens device that can use high-resolution photosensitive elements without increasing the thickness of the lens device, thereby achieving a thinner and high-resolution lens device.

The lens device of the present invention includes a lens driving module, a first reflecting element, and a sensing element arranged on the imaging surface in sequence from the object end to the image end. The lens driving module includes a plurality of lenses, one of the lenses has the largest effective aperture CAB, among the lenses The other lens has the smallest effective aperture CAS. Wherein, the first reflective element is located between the lens driving module and the sensing element, and the lens device satisfies the following conditions: 0.7<(Pz/Ivz)<1.2, where Pz is the image from the lens closest to the image end The side surface is the distance along the optical axis to the reflecting surface of the first reflecting element, and Ivz is the length of the sensing element parallel to the optical axis direction of the plural lenses.

In another embodiment, the lens device further includes a second reflective element disposed between the object end and the lens driving module.

In another embodiment, the lens device further satisfies the following condition: CAS/2<Py<CAB, where Py is the vertical distance from the reflection point on the optical axis of the first reflection element to the sensing element.

In another embodiment, the first reflecting element is a mirror or a mirror.

In another embodiment, the second reflecting element is a mirror or a mirror.

In another embodiment, the lens driving module is used to drive the plurality of lenses to move in the Y direction perpendicular to the optical axis direction, wherein the Y direction is a direction perpendicular to the plane of the receiving surface of the sensing element, A Z direction is a direction parallel to the optical axis of the plural lenses, an X direction is perpendicular to the Y direction and the Z direction, and the X direction, the Y direction and the Z direction are perpendicular to each other .

In another embodiment, the lens device further includes a second reflective element driving module, which drives the second reflective element to rotate around the X direction or the Y direction.

In another embodiment, the lens device further includes a first reflective element driving module, which drives the first reflective element to move along a direction perpendicular to the plane of the sensing element.

In another embodiment, the lens device further includes a first reflective element driving module, which drives the first reflective element to move along a direction parallel to the optical axis of the plurality of lenses.

In another embodiment, the lens driving module further includes a lens driver for driving the plurality of lenses, and the second reflective element driving module further includes a lens driver for driving the The driver of the second reflective element.

In another embodiment, the lens driver is a magnet coil group, and the magnet and the coil are arranged oppositely.

1‧‧‧Second reflective element drive module

2‧‧‧Lens drive module

3‧‧‧Sensing components

4‧‧‧First reflective element drive module

10‧‧‧Second reflective element

20‧‧‧Lens

21‧‧‧Glossy surface

31‧‧‧Receiving surface

40、41‧‧‧First reflective element

200‧‧‧Periscope phone lens

CAB‧‧‧Maximum effective caliber

CAS‧‧‧Minimum effective caliber

IMA‧‧‧Image end

IP‧‧‧Photosensitive element

L1, L2, L3, L4, L5‧‧‧Lens

L11, L21, L31‧‧‧First lens

L12, L22, L32‧‧‧Second lens

L13, L23, L33‧‧‧third lens

L14, L24, L34‧‧‧Fourth lens

L15, L25, L35‧‧‧Fifth lens

OAB‧‧‧Optical axis

OBJ‧‧‧Object

P0‧‧‧稜鏡

S11, S21, S31‧‧‧Object side of the first lens

S12, S22, S32‧‧‧The side of the first lens image

S13, S23, S33‧‧‧Object side of the second lens

S14, S24, S34‧‧‧Second lens image side

S15, S25, S35‧‧‧Object side of third lens

S16, S26, S36‧‧‧Third lens image side

S17, S27, S37‧‧‧Object side of the fourth lens

S18, S28, S38‧‧‧Fourth lens image side

S19, S29, S39‧‧‧Fifth lens object side

S20, S30, S40‧‧‧Fifth lens image side

Figure 1 is a schematic diagram of the structure of a previously known periscope cell phone lens.

FIG. 2A is a schematic diagram of a structure of the periscope lens module of the present invention.

FIG. 2B is a schematic diagram of another structure of the periscope lens module of the present invention.

Figure 3A is a schematic diagram of the optical structure of Example 1 of the present invention.

FIG. 3B is a schematic diagram of the optical structure of Embodiment 2 of the present invention.

Figure 3C is a schematic diagram of the optical structure of Embodiment 3 of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " "Vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and other indicating orientations or position relationships are based on the orientation or position relationships shown in the drawings This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

As shown in Figure 2A, the present invention relates to a periscope lens device, including a second reflective element drive module 1, a lens drive module 2, a first reflective element drive module 4 and a sensor for sensing light.测Component 3. Wherein, the second reflective element driving module 1 includes a second reflective element 10 for changing the beam path of incident light incident in the Y direction, and a second reflective element carrier (not shown in the figure) that carries the second reflective element 10 , The lens driving module 2 includes a lens 20 for transmitting light, and the first reflective element driving module 4 includes a light beam for changing the light from the lens 20 The path to the first reflective element 40 of the sensing element 3, the lens driving module 2 is located between the second reflective element driving module 1 and the sensing element 3, and incident light sequentially passes through the second reflective element driving module 1 and the lens The driving module 2, the first reflective element driving module 4, and the sensing element 3.

The second reflective element 10 changes the beam path of the incident light and enters the lens drive module 2 along the Z direction. The second reflective element drive module 1, the lens drive module 2 and the first reflective element drive module 4 follow along the Z direction. Sequence arrangement.

As shown in Figure 2A, the receiving surface 31 of the sensor element 3 for receiving light and the light emitting surface 21 of the lens 20 for transmitting light are perpendicular to each other, that is, the light transmitted from the lens 20 and the receiving surface 31 are parallel to each other. A reflective element 40 is located on one side of the receiving surface 31 of the sensing element 3. Specifically, the light-emitting surface 21 of the lens 20 is upright and faces rightward, that is, the light-emitting surface 21 faces the first reflective element driving module 4 and the sensing element 3, and the sensing element 3 is flat on the bottom side, and the sensing element 3 The receiving surface 31 of the sensing element 3 faces upward, that is, the receiving surface 31 of the sensing element 3 faces the first reflective element 40. The sensing element 3 and the first reflective element 40 are disposed oppositely, and the first reflective element 40 is located above the sensing element 3.

Wherein, the second reflective element 10 is fixedly arranged with respect to the second reflective element carrier. At this time, the second reflective element 10 can no longer rotate, and its reliability is higher. The lens 20 can be moved along the Z axis driven by the lens driver to realize an auto focus function (AF, Auto Focus). The first reflective element 40 can swing around the X-axis and the Y-axis, that is, it can swing in multiple directions. The first reflective element 40 is closer to the sensing element 3, and the optical image stabilization function (OIS, Optical Image Stabilization) can be realized by adjusting a small angle. Stabilization).

Among them, the Y-axis, Z-axis and X-axis are perpendicular to each other, the Y-axis is used as the Y direction, the Z-axis is used as the Z direction, and the X-axis is used as the X direction. The light incident from the object end of the subject is incident along the Y direction. To the second reflective element driving module 1, the second reflective element 10 of the second reflective element driving module 1 changes the beam path of the incident light to the lens driving module 2 along the Z direction, and then the lens driving module 2 The lens 20 reaches the first reflective element drive module 4 along the Z direction, and the first reflective element drives the module 4 The first reflective element 40 changes the beam path along the Y direction to the sensing element 3.

The second reflective element drive module 1, the lens drive module 2 and the first reflective element drive module 4 are arranged in sequence along the Z direction, and the first reflective element drive module 4 and the sensing element 3 are arranged along the Y direction.

Specifically, the lens driving module 2 includes a lens driver (not shown in the figure) for driving the lens 20. The lens driver is a linear voice coil motor, the lens 20 is mounted on the carrier (not shown in the figure) of the linear voice coil motor, and the linear voice coil motor has a set of magnet coils that drive the lens 20 to move along the Z axis In the group (not shown in the figure), the magnet and the coil are arranged oppositely. In other words, the lens driver drives the lens 20 to move along the Z direction. The first reflective element driving module 4 includes a first reflective element driver (not shown in the figure) for driving the first reflective element 40.

It should be noted that both the linear voice coil motor and the oscillating voice coil motor are commonly used in the prior art, and will not be described in detail here. It is worth noting that piezoelectric materials can also be used to replace the voice coil motor as the lens driver or the first reflective element driver.

Figure 2B is another variation of Figure 2A. As shown in Figure 2B, the receiving surface 31 of the sensor element 3 for receiving light and the light emitting surface 21 of the lens 20 for transmitting light are perpendicular to each other, that is, the light transmitted from the lens 20 and the receiving surface 31 are parallel to each other. A reflective element 40 is located on one side of the receiving surface 31 of the sensing element 3. Specifically, the light-emitting surface 21 of the lens 20 is upright and faces rightward, that is, the light-emitting surface 21 faces the first reflective element driving module 4 and the sensing element 3, and the sensing element 3 is flat on the top side, and the sensing element 3 The receiving surface 31 of the sensing element 3 faces downward, that is, the receiving surface 31 of the sensing element 3 faces the first reflective element 40. The sensing element 3 and the first reflective element 40 are disposed oppositely, and the first reflective element 40 is located below the sensing element 3.

A detailed description is given below through specific embodiments.

Example 1

Figure 3A is an implementation aspect of Embodiment 1 of the present invention. As shown in Figure 3A, The lens device of the present invention includes a second reflective element 10, a lens driving module 2, a first reflective element 41, and a sensing element 3 arranged on the imaging surface in sequence from the object end OBJ to the image end IMA. The second reflection element 10 is installed in the second reflection element driving module 1, and the first reflection element 41 is installed in the first reflection element driving module 4. The light OAB enters the second reflecting element 10 from the object end OBJ along the optical axis, and after being reflected by the second reflecting element 10, enters the lens driving module 2 along the optical axis. After that, the light OAB enters the first reflective element 41 along the optical axis, is reflected by the first reflective element 41 and irradiates the sensing element 3.

The lens driving module 2 further includes a plurality of lenses. From the object end OBJ to the sensing element 3, the lens includes a first lens L11 with positive refractive power. The first lens L11 includes a convex surface S11 facing an object side OBJ; A second lens L12 with negative refractive power; a third lens L13 with positive refractive power; a fourth lens L14 with positive refractive power, the fourth lens L14 includes a convex surface S18 facing the image side; and a fifth lens with negative refractive power The lens L15. The fifth lens L15 includes a concave surface S20 facing the image side. Among them, the lens device of embodiment 1 satisfies the following conditions: 0.7<(Pz/Ivz)<1.2, where Pz is the distance from the image side surface closest to the image end lens along the optical axis to the reflective surface of the first reflective element The distance, Ivz, is the length of the sensing element parallel to the optical axis OAB of the plurality of lenses.

The first lens L11 of the lenses has the largest effective aperture CAB, and the third lens L13 of the lenses has the smallest effective aperture CAS; so that the lens device of embodiment 1 further satisfies the following condition: CAS/2<Py<CAB, Wherein, Py is the vertical distance from the reflection point on the optical axis of the first reflection element to the sensing element.

Table 1 is a table of relevant parameters of each lens of the lens device in Figure 3A. The data in Table 1 shows that the effective focal length of the lens device of Example 1 is equal to 15.000mm, the aperture value (F#) is equal to 2.69, and the total lens length is equal to 16.627457mm, The field of view is equal to 22 degrees.

The concavity z of the aspheric surface of each lens in Table 1 is obtained by the following formula: z=ch ² /{1+[1-(k+1)c ² h ² ] ^1/2 }+Ah ⁴ +Bh ⁶ + Ch ⁸ +Dh ¹⁰ +Eh ¹² +Fh ¹⁴ +Gh ¹⁶ +Hh ¹⁸

Among them: c: curvature; h: the vertical distance from any point on the lens surface to the optical axis; k: Conic coefficient; A~H: Aspheric coefficient.

Table 2 is a table of related parameters of the aspheric surface of each lens in Table 1, where k is the Conic Constant, and A~H are the aspheric coefficients.

According to Table 1, CAB=5.56mm, CAS=3.053535mm, Pz=6.5mm, Py=3.736051mm, Ivz=5.866mm. Therefore, Pz/Ivz=1.10808, and the lens device of Embodiment 1 does meet the condition: 0.7<(Pz/Ivz)<1.2. In addition, because CAS/2=1.5267675mm, the lens device of Example 1 does meet the condition: CAS/2<Py<CAB.

Example 2

Figure 3B shows another implementation aspect of Embodiment 1 of the present invention. As shown in FIG. 3B, the lens device of the present invention includes a second reflective element 10, a lens driving module 2, a first reflective element 41 and arranged on the imaging surface in sequence from the object end OBJ to the image end IMA的sensing element3. The second reflection element 10 is installed in the second reflection element driving module 1, and the first reflection element 41 is installed in the first reflection element driving module 4. The light OAB enters the second reflecting element 10 from the object end OBJ along the optical axis, and after being reflected by the second reflecting element 10, enters the lens driving module 2 along the optical axis. After that, the light OAB enters the first reflective element 41 along the optical axis, is reflected by the first reflective element 41 and irradiates the sensing element 3.

The lens driving module 2 further includes a plurality of lenses. From the object end OBJ to the sensing element 3, the first lens L21 has a positive refractive power. The first lens L21 includes a convex surface S21 facing an object side OBJ; A second lens L22 with negative refractive power; a third lens L23 with positive refractive power; a fourth lens L24 with positive refractive power, the fourth lens L24 includes a convex surface S28 facing the image side; and a fifth lens with negative refractive power The lens L25. The fifth lens L25 includes a concave surface S30 facing the image side. Among them, the lens device of Embodiment 2 satisfies the following conditions: 0.7<(Pz/Ivz)<1.2, where Pz is the distance from the image side surface closest to the image end lens along the optical axis to the reflective surface of the first reflective element The distance, Ivz, is the length of the sensing element parallel to the optical axis OAB of the plurality of lenses.

The first lens L21 of the lenses has the largest effective aperture CAB, and the second lens L22 of the lenses has the smallest effective aperture CAS; so that the lens device of Embodiment 2 further satisfies the following condition: CAS/2<Py<CAB, Wherein, Py is the vertical distance from the reflection point on the optical axis of the first reflection element to the sensing element.

Table 3 is a table of relevant parameters of each lens of the lens device in Figure 3B. The data in Table 3 shows that the effective focal length of the lens device of Example 2 is equal to 21.900mm, the aperture value (F#) is equal to 3.4, and the total lens length is equal to 22.66369mm, The field of view is equal to 20.6 degrees.

The concavity _{z of the} aspheric surface of each lens in Table 3 is obtained by the following formula: z=ch ² /{1+[1-(k+1)c ² h ² ] ^1/2 }+Ah ⁴ +Bh ⁶ + Ch ⁸ +Dh ¹⁰ +Eh ¹² +Fh ¹⁴ +Gh ¹⁶ +Hh ¹⁸

among them: c: curvature; h: the vertical distance from any point on the lens surface to the optical axis; k: conic coefficient; A~H: aspherical coefficient.

Table 4 is a table of related parameters of the aspheric surface of each lens in Table 3, where k is the Conic Constant and A~H are the aspheric coefficients.

According to Table 3, CAB=6.448mm, CAS=3.709908mm, Pz=9.1mm, Py=4.789974mm, Ivz=7.994294mm. Therefore, Pz/Ivz=1.138312, implement The lens device of Example 2 does meet the condition: 0.7<(Pz/Ivz)<1.2. In addition, because CAS/2=1.854954mm, the lens device of Example 2 does satisfy the condition: CAS/2<Py<CAB.

Example 3

Figure 3C is an implementation aspect of Embodiment 3 of the present invention. As shown in FIG. 3C, the lens device of the present invention includes a second reflective element 10, a lens driving module 2, a first reflective element 41 and arranged on the imaging surface in sequence from the object end OBJ to the image end IMA的sensing element3. The second reflection element 10 is installed in the second reflection element driving module 1, and the first reflection element 41 is installed in the first reflection element driving module 4. The light OAB enters the second reflecting element 10 from the object end OBJ along the optical axis, and after being reflected by the second reflecting element 10, enters the lens driving module 2 along the optical axis. After that, the light OAB enters the first reflective element 41 along the optical axis, is reflected by the first reflective element 41 and irradiates the sensing element 3.

The lens driving module 2 further includes a plurality of lenses. From the object end OBJ to the sensing element 3, the first lens L31 has a negative refractive power. The first lens L31 includes a convex surface S31 facing an object side OBJ; A second lens L32 with positive refractive power; a third lens L33 with negative refractive power; a fourth lens L34 with positive refractive power, the fourth lens L34 includes a convex surface S38 facing the image side; and a fifth lens with positive refractive power The lens L35. The fifth lens L35 includes a concave surface S40 facing the image side. Among them, the lens device of embodiment 3 satisfies the following conditions: 0.7<(Pz/Ivz)<1.2, where Pz is the distance from the image side surface closest to the image end lens along the optical axis to the reflective surface of the first reflective element The distance, Ivz, is the length of the sensing element parallel to the optical axis OAB of the plurality of lenses.

The fourth lens L34 among the lenses has the largest effective aperture CAB, and the second lens L32 among the lenses has the smallest effective aperture CAS; so that the lens device of Embodiment 3 further satisfies the following condition: CAS/2<Py<CAB, Wherein, Py is the vertical distance from the reflection point on the optical axis of the first reflection element to the sensing element.

Table 5 is a table of related parameters of each lens of the lens device in Figure 3C. The data shows that the effective focal length of the lens device of Example 3 is equal to 8.04mm, the aperture value (F#) is equal to 1.45, the total length of the lens is equal to 50.80mm, and the field of view is equal to 70 degrees.

The concavity z of the aspheric surface of each lens in Table 5 is obtained by the following formula: z=ch ² /{1+[1-(k+1)c ² h ² ] ^1/2 }+Ah ⁴ +Bh ⁶ + Ch ⁸ +Dh ¹⁰ +Eh ¹² +Fh ¹⁴ +Gh ¹⁶ +Hh ¹⁸

Among them: c: curvature; h: the vertical distance from any point on the lens surface to the optical axis; k: conic coefficient; A~H: aspherical coefficient.

Table 6 is a table of related parameters of the aspheric surface of each lens in Table 5, where k is the Conic Constant and A~H are the aspheric coefficients.

According to Table 5, CAB=16.92893mm, CAS=7.240997mm, Pz=8.0mm, Py=6.9714116mm, Ivz=10.4mm. Therefore, Pz/Ivz=0.76923, and the lens device of Embodiment 3 does meet the condition: 0.7<(Pz/Ivz)<1.2. In addition, because CAS/2=3.6204985mm, the lens device of Example 3 does meet the condition: CAS/2<Py<CAB.

In the present invention, the Y-axis, Z-axis and X-axis are perpendicular to each other, the Y-axis is perpendicular to the direction of the plane of the receiving surface 31 of the sensing element 3 for receiving light, and the Z-axis is parallel to the optical axis and drives through the lens. The direction of module 2.

The second reflective element driving module 1 includes a second reflective element driver (not shown in the figure) for driving the second reflective element 10. The first reflective element driving module 4 can also be used to fix or stabilize the first reflective element 40 without rotating or moving.

In the present invention, the second reflective element driver may be a swing type voice coil motor, the second reflective element 10 is mounted on a carrier (not shown in the figure) of the swing type voice coil motor, and the swing type voice coil motor There is a magnet coil group (not shown in the figure) that drives the second reflective element 10 to rotate along the X axis or along the Y axis. The magnet and the coil are arranged oppositely. In other words, the second reflective element driver drives the second reflective element 10 to X The axis or Y axis is the axis rotation.

In the present invention, the lens driver is a linear voice coil motor, the lens 20 is mounted on a carrier (not shown in the figure) of the linear voice coil motor, and the linear voice coil motor has the drive lens 20 along the Z axis, or A set of magnet coil sets (not shown in the figure) that move along the Z axis and the Y axis, or along the Z axis and the X axis, or along the Z axis, Y axis and Z axis, and the magnets and coils are arranged oppositely. In other words, when the second reflective element driver drives the second reflective element 10 to rotate along the X axis, the lens driver drives the lens 20 to move along the X-axis direction and/or the Z-axis direction; when the second reflective element driver drives the second reflective element 10 When rotating along the Y axis, the lens driver drives the lens 20 to move along the Y axis direction and/or the Z axis direction. In addition, the lens driver can also drive the lens 20 to move along the Z axis, Y axis, and Z axis at the same time.

In the present invention, when the second reflective element driver drives the second reflective element 10 to rotate along the X axis, and the lens driver drives the lens 20 to move along the X axis, the first reflective element driver (not shown in the figure) is used to The first reflective element moves along the Y-axis or Z-axis, and the purpose is to adjust the focal length of the lens device. In the present invention, when the second reflective element driver drives the second reflective element 10 to rotate along the Y axis, and the lens driver drives the lens 20 to move along the Y axis, the first reflective element driver (not shown in the figure) is used to The first reflective element moves along the Y-axis or Z-axis direction. In the present invention, when the lens driver can drive the lens 20 to move along the Z-axis direction, the first reflective element drive module 4 is only used to fix or stabilize the first reflective element without any rotation or movement.

It should be noted that both the linear voice coil motor and the oscillating voice coil motor are commonly used in the prior art, and will not be described in detail here. It is worth noting that the piezoelectric material can also be used to replace the voice coil motor as the lens driver, the third lens driver, or the third first reflective element driver.

In the present invention, the first reflecting element 41 can be a reflecting mirror or a mirror. The second reflecting element 10 can also be a reflecting mirror or a mirror.

It should be understood that those skilled in the art can make improvements or changes based on the above description, but these improvements or changes should fall within the protection scope of the appended claims of the present invention.

1‧‧‧Second reflective element drive module

2‧‧‧Lens drive module

3‧‧‧Sensing components

4‧‧‧First reflective element drive module

10‧‧‧Second reflective element

20‧‧‧Lens

21‧‧‧Glossy surface

31‧‧‧Receiving surface

40‧‧‧First reflective element

Claims (11)

A lens device, from the object end to the image end along the optical axis, includes: a lens drive module, including a plurality of lenses, one of the lenses has the largest effective aperture CAB, and the other of the lenses CAS with the smallest effective aperture; a first reflective element; and a sensing element disposed on the imaging surface; wherein, the first reflective element is located between the lens driving module and the sensing element, and the lens device satisfies the following conditions : 0.7<(Pz/Ivz)<1.2, where Pz is the distance from the image side surface of the lens closest to the image end along the optical axis to the reflective surface of the first reflective element, and Ivz is the sensing element parallel to the The length of the optical axis of the plural lens. As described in the first item of the scope of patent application, the lens device further includes a second reflective element disposed between the object end and the lens driving module. For the lens device described in item 2 of the scope of patent application, the lens device further satisfies the following condition: CAS/2<Py<CAB, where Py is from the reflection point on the optical axis of the first reflective element to the sensor Measure the vertical distance of the component. The lens device described in item 3 of the scope of patent application, wherein the first reflecting element is a mirror or a mirror. The lens device described in item 4 of the scope of patent application, wherein the second reflective element is a mirror or a mirror. The lens device described in item 2 of the scope of patent application, wherein the lens driving module is used to drive the plurality of lenses to move perpendicularly to the Y direction, wherein the Y direction is perpendicular to the receiving surface plane of the sensing element A Z direction is a direction parallel to the optical axis of the plural lenses, an X direction is perpendicular to the Y direction and the Z direction, and the X direction, the The Y direction and the Z direction are perpendicular to each other. For the lens device described in item 6 of the scope of patent application, the lens device further includes a second reflective element driving module that drives the second reflective element to rotate around the X direction or the Y direction as an axis. According to the lens device described in item 6 of the scope of patent application, the lens device further includes a first reflective element driving module that drives the first reflective element to move along a direction perpendicular to the plane of the sensing element. According to the lens device described in item 6 of the scope of patent application, the lens device further includes a first reflective element driving module, which drives the first reflective element to move along a direction parallel to the optical axis of the plurality of lenses. The lens device according to item 8 or item 9 of the scope of patent application, wherein the lens driving module further includes a lens driver for driving the plurality of lenses, and the second reflective element driving module further includes For driving the second reflective element. According to the lens device described in item 10 of the scope of patent application, the lens driver is a magnet coil group, and the magnet and the coil are arranged oppositely.

Images