TWI648567B - Adjustable optical lens and camera module integrating focusing mechanism and assembly method thereof - Google Patents

Abstract

The present invention relates to an adjustable optical lens, a camera module, and an assembly method thereof that integrate a focusing mechanism. The adjustable optical lens includes at least one optical lens, a focusing mechanism, and a bearing structure. The height direction of the load-bearing structural member is installed in the internal space of the load-bearing structural member. At least one of the optical lenses serves as an adjustable lens, and the assembly position of the adjustable lens in the load-bearing structural member is adjustable. It is beneficial to ensure the imaging quality of the camera module. The bearing structure is further connected to the inside of the focusing mechanism as a carrier of the focusing mechanism, and moves with the power of the focusing mechanism, which is further suitable for focusing. As the carrier of the lens barrel and the focusing mechanism, the load-bearing structural member shortens the assembly tolerance chain and reduces the assembly process, which is beneficial to improving production efficiency and product yield.

Description

Adjustable optical lens and camera module integrating focusing mechanism and assembly method thereof

The invention relates to an adjustable optical lens and a camera module with integrated focusing mechanism and an assembling method thereof, and particularly relates to an adjustable optical lens and a camera module with integrated focusing mechanism and an assembling method thereof.

With the increasingly fierce competition in the camera module market, falling camera module manufacturing costs, improving production efficiency and improving imaging quality have become the goals pursued by camera module manufacturers.

Generally, the focus camera module is composed of important components such as the lens, focusing mechanism, and photosensitive chip. The manufacture of the focus camera module is usually an assembly between these components. Assembly of parts. After the assembly is completed, the lens product and the focusing mechanism are assembled to complete the assembly of the camera module. This method has the following problems: first, the assembly process is relatively repetitive and cumbersome, resulting in low production efficiency of the camera module; second, there is an assembly tolerance between the lens and the focusing mechanism, plus the lens and the focusing mechanism itself Assembly tolerances make the tolerance chain too long and affect the quality of the module; third, the size of the module produced in this way is large in the length and width direction, which is not conducive to the development of the camera module in a thin and light direction; fourth, the lens During the assembling process with the focusing mechanism, it is easy to enter the dust, and there is a bad stain phenomenon. This is because the connection between the lens and the focusing mechanism is not so tight, and sometimes there are some small gaps, so that dust can enter the lens and the focusing mechanism. It is difficult to remove the dust. If the dust inside the module is not removed for a long time, the lens, focusing mechanism and the entire module will be contaminated, which will affect the imaging quality and service life, and eventually affect the camera module. Set of quality for the entire product.

In addition, the lens includes multiple lenses that overlap each other. The position of the center axis of each lens will affect the center axis of the lens. The ideal situation is that the center axes of each lens coincide. However, due to the packaging process and the quality of the incoming materials, Limitation, there will be a certain deviation in the central axis of each lens. In addition, because each lens needs to be encapsulated in the lens barrel by glue or welding, the packaging process will affect the position and tilt of the lens, so that the lens There is a large deviation in the center axis. When the lens and the photosensitive chip are packaged together to form a camera module, since it is difficult to ensure that the central axis of the lens is consistent with the central axis of the photosensitive chip, eccentricity and tilt will occur, which will inevitably cause the imaging quality of the camera module to be affected. Large impact, the product yield of the camera module is difficult to control and guarantee. Therefore, in the process of manufacturing the camera module, how to ensure its imaging quality becomes a technical difficulty that needs to be solved urgently.

Therefore, in the manufacturing process of the camera module, how to effectively solve the above problems is the key to improving the yield and quality of the camera module manufacturing.

An object of the present invention is to provide an adjustable optical lens and a camera module that integrate a focusing mechanism and an assembling method thereof, so as to solve the problem of excessively long tolerance chains, low production efficiency, high manufacturing cost, and relatively small module size in the prior art. Big and poor imaging quality of the module.

An object of the present invention is to provide an adjustable optical lens and a camera module that integrate a focusing mechanism and an assembling method thereof. At least one optical lens is pre-assembled as an adjustable lens to form an adjustable optical lens, so as to facilitate subsequent processes. Adjusting at least one direction of the pre-assembled optical lens is beneficial to ensure the imaging quality of the camera module.

An object of the present invention is to provide an adjustable optical lens and a camera module integrating a focusing mechanism and an assembling method thereof. In the process of forming the camera module by packaging the adjustable optical lens and a photosensitive chip, by adjusting the adjustable lens, Make the imaging of the camera module meet the expected resolution requirements. In this way, the camera module can ensure the imaging quality of the camera module during the manufacturing process, ensure the reliability of the camera module, and improve production efficiency.

An object of the present invention is to provide an adjustable optical lens and a camera module integrated with a focusing mechanism and an assembling method thereof. The pre-assembled optical lens is installed in a bearing structure which replaces the carrier of the traditional focusing mechanism. And the lens barrel of the lens, making the size of the lens and the module smaller, which is conducive to the development of the camera module in a lighter and thinner direction.

An object of the present invention is to provide an adjustable optical lens, a camera module and a method for assembling the focusing mechanism. The bearing structure is provided with at least one adjustment channel. When the optical lens is encapsulated inside the optical structure, When the adjustable optical lens is formed by space, the adjustable lens in the internal space of the load-bearing structural member corresponds to the adjustment channel, and the adjustable lens can be adjusted in the external environment of the load-bearing structural member through the adjustment channel. Location of internal space for easy operation.

An object of the present invention is to provide an adjustable optical lens and a camera module integrating a focusing mechanism and an assembling method thereof. In the process of packaging the camera module, the central axis of the adjustable optical lens is adjusted by adjusting the adjustable lens. The central axis of the sensor and the photosensitive wafer is adjusted to be coincident or within an allowable deviation range, which can ensure the product yield of the camera module and improve the imaging quality of the camera module.

An object of the present invention is to provide an adjustable optical lens and a camera module that integrate a focusing mechanism and an assembly method thereof. Since the carrier of the focusing mechanism and the lens barrel are taken as a whole, the number of the lens barrel and the carrier of the focusing mechanism is reduced. The assembling process of the camera module further simplifies the overall assembling process of the camera module, making the assembly tolerance chain shorter, which is beneficial to improving production efficiency, product yield and imaging quality.

An object of the present invention is to provide an adjustable optical lens and a camera module integrated with a focusing mechanism, and an assembly method thereof. The carrier of the focusing mechanism is designed into a structural shape of a lens barrel, and is directly used to carry optical lenses to drive the lens to move. Focusing effect is better.

An object of the present invention is to provide an adjustable optical lens and a camera module that integrate a focusing mechanism and an assembling method thereof. The assembly between the lens barrel and the carrier of the focusing mechanism can be omitted. Avoiding the phenomenon of dust entering between the two in the traditional assembly method is helpful to ensure the imaging quality of the camera module.

An object of the present invention is to provide an adjustable optical lens and a camera module that integrate a focusing mechanism and an assembling method thereof. The adjustable optical lens manufactured by the method is more compact in structure, suitable for various application occasions, and has increased its application. range.

An object of the present invention is to provide an adjustable optical lens and a camera module integrated with a focusing mechanism and an assembly method thereof, which are assembled using a fixture. The assembly method is simple, the operation is convenient, and the method is suitable for popularization and application.

An object of the present invention is to provide an adjustable optical lens and a camera module integrated with a focusing mechanism and an assembling method thereof, wherein a jig used for auxiliary assembly is matched with the adjustable optical lens to fix the adjustable optical lens and facilitate the optical lens. Installation to prevent offset, tilt, etc. to ensure the assembly accuracy of the adjustable optical lens.

In order to meet the above object of the present invention and other objects and advantages of the present invention, the present invention provides an adjustable optical lens including: at least one optical lens; a focusing mechanism; and a bearing structure member, each of said optical lenses along The height direction of the load-bearing structural member is installed in the internal space of the load-bearing structural member. At least one of the optical lenses serves as an adjustable lens, and the assembly position of the adjustable lens in the load-bearing structural member is adjustable. The carrying structure is further connected to the inside of the focusing mechanism as a carrier of the focusing mechanism, and moves with the energization of the focusing mechanism, and is further suitable for focusing.

According to an embodiment of the present invention, the load-bearing structural member has at least one adjustment channel, and the adjustment channel communicates with the internal space and the external environment of the load-bearing structural member, and corresponds to the adjustable lens to adjust the adjustment lens. Adjustable lens assembly position.

According to an embodiment of the present invention, the optical lens provided on the top of the adjustable optical lens is used as the adjustable lens, and the top of the bearing structure has at least one fixed channel, and the fixed channel and the Corresponding to the adjustable lens, it is suitable to inject glue through the fixed channel after adjusting the adjustable lens, so as to fix the adjustable lens.

According to an embodiment of the present invention, the inner wall of the load-bearing structural member extends toward the cavity to form at least one fixing portion, and the fixing portion is suitable for placing each of the optical lenses. According to an embodiment of the present invention, a top end surface of the bearing structure is higher than a top end surface of the focusing mechanism, and the adjustment channel is provided at a portion of the bearing structure higher than the focusing mechanism.

According to an embodiment of the present invention, the adjustable lens is pre-assembled in the bearing structure, and its assembly position is suitable for being adjusted in at least one direction.

According to an embodiment of the present invention, the adjustable lens is pre-assembled in the load-bearing structural member by glue. The glue used in the pre-assembly is a mixed glue of thermosetting glue and UV glue, and the glue is exposed after ultraviolet exposure. It will be semi-cured to achieve pre-assembly. After the baking process, the glue will be completely cured to fix the entire adjustable optical lens.

According to an embodiment of the present invention, the focusing mechanism is suitable for selecting a voice coil motor, a piezoelectric ceramic motor, or a liquid crystal motor.

According to another aspect of the present invention, the present invention further provides a camera module, including: a photosensitive device, the photosensitive device includes a photosensitive chip; an adjustable optical lens, the adjustable optical lens is disposed on the photosensitive On the photosensitive path of the wafer, the adjustable optical lens includes at least one optical lens, a focusing mechanism, and a supporting structure, and each of the optical lenses is mounted on the supporting structure along a height direction of the supporting structure. In the internal space, at least one of the optical lenses is used as an adjustable lens, and the assembly position of the adjustable lens in the bearing structure is adjustable, and the bearing structure is further connected to the inside of the focusing mechanism as The carrier of the focusing mechanism moves with the energization of the focusing mechanism, and is further suitable for focusing.

According to an embodiment of the present invention, the load-bearing structural member has at least one adjustment channel, and the adjustment channel communicates with the internal space and the external environment of the load-bearing structural member, and corresponds to the adjustable lens to adjust the adjustment lens. Adjustable lens assembly position.

According to an embodiment of the present invention, the top of the load-bearing structural member has at least one fixing channel corresponding to the adjustable lens, which is suitable for injecting glue through the fixing channel after adjusting the adjustable lens. , So as to fix the adjustable lens.

According to an embodiment of the present invention, the inner wall of the load-bearing structural member extends toward the cavity to form at least one fixing portion, and the fixing portion is suitable for placing each of the optical lenses.

According to an embodiment of the present invention, a top end surface of the bearing structure is higher than a top end surface of the focusing mechanism, and the adjustment channel is provided at a portion of the bearing structure higher than the focusing mechanism.

According to an embodiment of the present invention, the adjustable lens is pre-assembled in the bearing structure, and its assembly position is suitable for being adjusted in at least one direction.

According to an embodiment of the present invention, the adjustable lens is pre-assembled in the load-bearing structural member by glue. The glue used in the pre-assembly is a mixed glue of thermosetting glue and UV glue, and the glue is exposed after ultraviolet exposure. It will be semi-cured to achieve pre-assembly. After the baking process, the glue will be completely cured to fix the entire adjustable optical lens.

According to an embodiment of the present invention, the photosensitive device further includes a filter, a lens holder, and a circuit board, wherein the filter is connected to an inner wall of the lens holder and located above the photosensitive wafer, The photosensitive wafer is mounted above the circuit board, and the circuit board is installed at the bottom of the lens holder, so that the photosensitive wafer is located inside the lens holder and is held in a position with the inner wall of the lens holder. spacing.

According to an embodiment of the present invention, the photosensitive device further includes a filter, a lens holder, and a circuit board, wherein the filter and the photosensitive wafer are both installed inside the lens holder and connected to the lens holder. The inner wall of the lens holder, wherein the filter is disposed above the photosensitive wafer, and the circuit board is installed at the bottom of the lens holder.

According to an embodiment of the present invention, the focusing mechanism and the supporting structure are assembled on the top of the lens holder.

According to another aspect of the present invention, the present invention also provides a method for assembling an adjustable optical lens, including the following steps: (A) inverting a focusing mechanism and a supporting structure on a jig; (B) adjusting the jig (C) sequentially placing at least one optical lens in the internal space of the bearing structure, and at least one of the optical lenses is used as an Adjusting lens (D) fixing the optical lens other than the adjustable lens; and (E) completing the assembly of the adjustable optical lens.

According to an embodiment of the present invention, in the step (A), a first bearing portion and a second bearing portion of the jig are used to carry the bearing structure and the focus, respectively. The mechanism, wherein the first bearing portion and the second bearing portion respectively match the shape and size of the bearing structure and the focusing mechanism.

According to an embodiment of the present invention, in the step (B), the bearing structure and the focusing mechanism are fixed by at least two air passages, wherein each of the air passages communicates with the air passage. On the top and bottom of the jig, the air channels are respectively provided on the first bearing portion and the second bearing portion, and are further suitable for fixing the bearing through the air channel using a suction nozzle or a vacuum device. A structural member and the focusing mechanism.

According to an embodiment of the present invention, in the step (C), the optical lenses other than the adjustable lens are assembled monolithically into the internal space of the load-bearing structural member in sequence, or in addition to the A part of the optical lenses other than the adjusting lens is fitted into a whole with each other, and then is assembled with the non-fitted optical lenses into the load-bearing structure in order.

According to an embodiment of the present invention, in the step (D), the adjustable lens is pre-assembled in the load-bearing structural member by glue, and is not fixed. The optical lens is directly fixed in the bearing structure. The glue used for pre-assembly is a mixed glue of thermosetting glue and UV glue. After UV exposure, the glue will be semi-cured to achieve pre-assembly.

According to an embodiment of the present invention, in the above method, the load-bearing structural member is provided with at least one adjustment channel, the adjustment channel communicates with the internal space and the external environment of the load-bearing structural member, and is in communication with the adjustable lens. Correspondingly, the assembly position of the adjustable lens is adjusted.

According to an embodiment of the present invention, a top end surface of the bearing structure is higher than a top end surface of the focusing mechanism, and the adjustment channel is provided at a portion of the bearing structure higher than the focusing mechanism.

According to an embodiment of the present invention, in the step (A), the bearing structure is installed inside the focusing mechanism as a carrier of the focusing mechanism, and moves as the focusing mechanism is energized.

According to an embodiment of the present invention, in the step (A), the focusing mechanism is connected with the supporting structure in advance as a whole or the supporting structure is pre-assembled inside the focusing mechanism, and further in the The connection between the two is performed in step (E).

According to an embodiment of the present invention, in the above method, a top end surface of the load-bearing structural member is higher than a top end-face of the focusing mechanism, and the jig has a groove adapted to receive the load-bearing structural member from a height. In the part of the focusing mechanism, a depth of the groove is equal to a height difference between the focusing mechanism and the bearing structure.

According to another aspect of the present invention, the present invention also provides a method for assembling a camera module, including the following steps: (a) inverting a focusing mechanism and a supporting structure on a jig; (b) adjusting the jig , Fixing the focusing mechanism and the bearing structure on the jig; (c) sequentially placing at least one optical lens in the internal space of the bearing structure, at least one of the optical lenses being adjustable (D) fixing each of the optical lenses except the adjustable lens to complete the assembly of the adjustable optical lens; (e) connecting the assembled adjustable optical lens to a photosensitive device, so that The adjustable optical lens is disposed on a photosensitive path of a photosensitive chip included in the photosensitive device; (f) powering on a pre-assembled camera module, collecting imaging of the camera module, and calculating the adjustment of the adjustable lens Method and adjustment amount; (g) adjusting the adjustable lens according to the adjustment amount, so that the camera module imaging satisfies the resolution requirements; and (h) fixing the adjustable lens to complete the assembly of the camera module.

According to an embodiment of the present invention, in the step (a), a first bearing portion and a second bearing portion of the jig are used to carry the bearing structure and the focus, respectively. The mechanism, wherein the first bearing portion and the second bearing portion respectively match the shape and size of the bearing structure and the focusing mechanism.

According to an embodiment of the present invention, in the step (b), the bearing structure and the focusing mechanism are fixed by at least two air passages, wherein each of the air passages communicates with the air passage. On the top and bottom of the jig, the air channels are respectively provided on the first bearing portion and the second bearing portion, and are further suitable for fixing the bearing through the air channel using a suction nozzle or a vacuum device. A structural member and the focusing mechanism.

According to an embodiment of the present invention, in the step (c), the optical lenses other than the adjustable lens are assembled monolithically into the bearing structure in order, or the adjustable lens is removed. Some of the optical lenses other than the optical lenses are fitted into a whole with each other, and then are assembled with the non-fitted optical lenses in sequence into the bearing structure.

According to an embodiment of the present invention, in the step (d), the adjustable lens is pre-assembled in the load-bearing structural member by glue, without fixing, the other than the adjustable lens are described. The optical lens is directly fixed in the bearing structure. The glue used for pre-assembly is a mixed glue of thermosetting glue and UV glue. After UV exposure, the glue will be semi-cured to achieve pre-assembly.

According to an embodiment of the present invention, in the step (g), the adjustable lens is adjusted according to at least one adjustment channel provided by the load-bearing structural member, wherein the adjustment channel communicates with an internal space of the load-bearing structural member. It corresponds to the external environment and corresponds to the adjustable lens, and is further suitable for adjusting the assembly position of the adjustable lens from the outside of the bearing structure.

According to an embodiment of the present invention, in the step (a), the load-bearing structural member is installed inside the focusing mechanism as a carrier of the focusing mechanism, and moves as the focusing mechanism is energized.

According to an embodiment of the present invention, in the step (a), the focusing mechanism is connected to the supporting structure in advance as a whole or the supporting structure is pre-assembled inside the focusing mechanism, and then the The connection between the two is performed in step (d).

According to an embodiment of the present invention, in the above method, a top end surface of the load-bearing structural member is higher than a top end-face of the focusing mechanism, and the jig has a groove adapted to receive the load-bearing structural member from a height. In the part of the focusing mechanism, a depth of the groove is equal to a height difference between the focusing mechanism and the bearing structure.

According to an embodiment of the present invention, in the step (h), the top of the load-bearing structural member has at least one fixing channel, and the fixing channel corresponds to the adjustable lens and is suitable for the adjustable lens. After adjustment, glue is injected through the fixing channel to fix the adjustable lens.

According to an embodiment of the present invention, in the step (h), by injecting glue into the adjustment channel, the adjustable lens is fixed after curing, and the adjustment channel is sealed at the same time.

10, 10B‧‧‧Adjustable optical lens

11, 11B‧‧‧Optical lens

111, 111B‧‧‧The first optical lens

112, 112B‧‧‧Second Optical Lens

113, 113B‧‧‧ Third optical lens

114, 114B‧‧‧ Fourth Optical Lens

12, 12B‧‧‧ Focusing mechanism

13, 13B‧‧‧bearing structure

131, 131B‧‧‧ Containment Chamber

132, 132B‧‧‧Fixed section

133, 133B‧‧‧Adjust the channel

134‧‧‧Fixed access

20‧‧‧Jig

21‧‧‧The first supporting department

22‧‧‧Second bearing section

23‧‧‧air channel

30, 30A, 30B‧‧‧Photosensitive device

31, 31A, 31B‧‧‧ Filters

32, 32A, 32B‧‧‧Mirror mount

33, 33A, 33B

34, 34A, 34B‧‧‧Circuit boards

900, 1000‧‧‧ Assembly method

901 ~ 905‧‧‧step

1001 ~ 1008‧‧‧step

FIG. 1A is a schematic diagram of a three-dimensional structure of an adjustable optical lens integrating a focusing mechanism according to a first preferred embodiment of the present invention.

FIG. 1B is a schematic cross-sectional view of an adjustable optical lens integrated with a focusing mechanism according to the first preferred embodiment of the present invention.

FIG. 2 and FIG. 3 are schematic diagrams of an assembling method of an adjustable optical lens integrated with a focusing mechanism according to the first embodiment of the present invention.

4 is a schematic cross-sectional view of a camera module including an adjustable optical lens integrated with a focusing mechanism according to the first preferred embodiment of the present invention.

FIG. 5 is a modified implementation of the camera module according to the first preferred embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of an adjustable optical lens integrating a focusing mechanism according to a second preferred embodiment of the present invention.

7 is a schematic cross-sectional view of a camera module including an adjustable optical lens integrated with a focusing mechanism according to the above-mentioned second preferred embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a jig used in the assembly of an adjustable optical lens integrating a focusing mechanism according to the above-mentioned preferred embodiment of the present invention.

FIG. 9 is a flowchart of an assembling method of an adjustable optical lens integrating a focusing mechanism according to the above-mentioned preferred embodiment of the present invention.

10 is a flowchart of an assembling method of a camera module including an adjustable optical lens integrated with a focusing mechanism according to the above-mentioned preferred embodiment of the present invention.

The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are merely examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

In a conventional adjustable focus camera module, the lens module usually includes a lens and a focusing mechanism, wherein the lens includes an optical lens and a lens barrel carrying the lens, and the focusing mechanism includes a carrier, which is connected to other parts of the focusing mechanism And the carrier is a moving part carrier, which has threads inside, and is matched with the lens through threads or other means, that is, the carrier is connected with the lens barrel, so that the lens can be fixed on the carrier and moved with the carrier, thereby achieving the purpose of focusing. .

In addition, once an optical lens in a conventional optical lens is packaged in a lens barrel, its assembly position cannot be adjusted, and its imaging quality cannot be adjusted during the lens or camera module assembly process.

In the present invention, by improving the carrier of the lens barrel and the focusing mechanism, the carrier of the lens barrel and the focusing mechanism is designed as a whole to reduce assembly processes, reduce manufacturing costs, improve imaging quality, and perform at least one optical lens. Pre-assembly, adjusting its assembly position in subsequent processes to produce adjustable optical lenses, so that the imaging quality of the camera module during the assembly process can be adjusted in a timely and targeted manner, improving the lens and camera module Manufacturing yield.

Referring to FIG. 1A and FIG. 1B, an adjustable optical lens integrated with a focusing mechanism provided in this preferred embodiment will be explained. As shown in FIGS. 1A and 1B, an adjustable optical lens 10 includes at least one optical lens 11, a focusing mechanism 12, and a supporting structure 13. Each of the optical lenses 11 is along a height of the supporting structure 13. The mounting structure 13 is mounted in a receiving cavity 131 of the supporting structure 13. The supporting structure 13 carries each of the optical lenses 11. The supporting structure 13 is installed inside the focusing mechanism 12. The focusing mechanism 12 is energized to move, and drives each of the optical lenses 11 to move, which is further suitable for focusing.

This preferred embodiment includes four of the optical lenses 11, which are a first optical lens 111, a second optical lens 112, a third optical lens 113, and a fourth optical lens 114, at least one of which is described above. The optical lens 11 is pre-assembled in the supporting structure 13, and the assembly position of the pre-assembled optical lens 11 in the carrying structure 13 is adjustable, so that the optical center of the optical lens can be adjusted.

In the present invention, the pre-assembled optical lens 11 is referred to as an adjustable lens, and a lens including the adjustable lens is referred to as an adjustable optical lens. In the preferred embodiment, the first optical lens 11 is pre-assembled in the inner space of the supporting structure 13, that is, the first optical lens 11 is an adjustable lens in the preferred embodiment. The assembly position of the adjustable lens in the supporting structure 13 is adapted to be adjusted in at least one direction. For example, the adjustable direction may be one of a horizontal direction, a vertical direction, an inclined direction and a circumferential direction or several.

The carrying structure 13 has fixing portions 132 equal to the number of the optical lenses 11. The fixing portions 132 are bosses formed by the inner wall of the carrying structure 13 extending in the direction of the receiving cavity 131. The optical lens 11 is supported, that is, each of the optical lenses 11 is suitable for being placed on the corresponding fixing portion 132. When the supporting structure 13 is inverted to assemble each of the optical lenses 11, the The optical lens 11 is placed at the fixing portion 132, which is convenient for dispensing or welding, and is advantageous for assembly and fixing.

The load-bearing structural member 13 has at least one adjustment channel 133 that communicates the internal space of the load-bearing structural member 13 with the external environment. The outer wall of the adjustable lens corresponds to the adjustment channel 133. Adjusting the adjustable lens from the outside of the carrying structure 13 through the adjusting channel 133, thereby adjusting the central axis of the adjustable lens, After the adjustable optical lens and the photosensitive chip are assembled to form a camera module, it is convenient to adjust the adjustable lens to make the central axis of the adjustable optical lens coincide with the central axis of the photosensitive chip or within a tolerance range. To ensure the imaging quality of the camera module.

In this preferred embodiment, four of the adjustment channels 133 are provided along the outer wall of the load-bearing structural member 13, and each of the adjustment channels 133 is spaced 90 ° apart from each other and corresponds to the adjustable lens.

The carrying structure 13 further has at least one fixing channel 134 provided on the top of the carrying structure 13 to communicate the external environment of the carrying structure 13 with the adjustable lens, wherein The fixed channel 134 corresponds to the position of the adjustable lens, and preferably corresponds to an edge of the adjustable lens, so as to inject glue through the fixed channel 134 to fix the adjustable lens to the adjustable lens. The inner wall of the supporting structure 13.

This preferred embodiment is implemented as four of the fixed channels 134, the top of each of the fixed channels 134 is provided on the top of the load-bearing structural member 13, and the bottom of each of the fixed channels 134 communicates with the adjustable lens, When the glue is injected from the top of the fixing channel 134 to the bottom thereof, the glue can be connected to the adjustable lens and the supporting structure after the glue is cured.

It is worth mentioning that the carrying structure 13 has the function of the carrier of the lens barrel and the motor in the conventional lens module at the same time. In the present invention, the carrying structure 13 is used as the carrier of the lens barrel and the focusing mechanism. The supporting structure 13 can move inside the focusing mechanism 12 and can also support the optical lens 11. The supporting structure 13 can be made of opaque material and can prevent external stray light from entering the adjustable through a non-incident hole. Optical lens 10.

The carrying structure 13 can be implemented in the following three ways: (1) When the focusing mechanism 12 is designed, on the basis of satisfying its carrier function, the carrier is further made into a lens barrel function, which conforms to the mirror The size of the barrel can be used to carry the lens; (2) When the lens barrel is designed, it can function as a carrier of the focusing mechanism while carrying the lens, and then installed in the focusing mechanism as the carrier of the focusing mechanism; (3) When manufacturing, the lens barrel and the carrier of the focusing mechanism are used as an assembly. In short, the above manufacturing method is merely an example, and those skilled in the art can understand that the manufacturing method of the carrier structure 13 can be implemented whether the lens barrel is used as the carrier of the focusing mechanism or the carrier of the focusing mechanism is used as the lens barrel. For other methods, as long as the supporting structure 13 has both the functions of a lens barrel and a carrier of a focusing mechanism in a conventional lens module, it is sufficient.

The focusing mechanism 12 is suitable to be implemented as a voice coil motor (VCM), a piezoelectric ceramic motor, a liquid crystal motor, and the like.

Referring to FIG. 2, FIG. 3, FIG. 8, and FIG. 9, a method for assembling the adjustable optical lens 10 and a jig 20 for assisting the assembly according to the preferred embodiment will be described. The jig 20 and the jig 20 are described below. The shape and size of the adjustable optical lens 10 match.

The jig 20 includes a first bearing portion 21 and a second bearing portion 22, and has at least two air passages 23, wherein the second bearing portion 22 is provided on the first bearing portion 21. And the top end surface of the second abutment portion 22 is higher than the bottom end surface of the first abutment portion 21, a groove is formed at the first abutment portion 21, because In the lens 10, a top end surface of the load-bearing structural member 13 is higher than a top end surface of the focusing mechanism 12, and between the first bearing portion 21 and the second bearing portion 22 of the jig 20 The groove can receive the bearing structure 13 above the focusing mechanism 12, in other words, the shape and size of the first bearing portion 21 and the bearing structure 13 match, and the first The two bearing portions 22 match the shape and size of the focusing mechanism 12. When the adjustable optical lens 10 is assembled, the focusing mechanism 12 is placed upside down on the second bearing portion 22, and the bearing structure 13 is placed upside down on the first abutment portion 21, and during the assembly process, the first abutment portion 21 and the second abutment portion 22 are respectively used to carry Said carrier structure member 13 and the focusing mechanism 12.

Further, the air channel 23 communicates with the top and the bottom of the jig 20, so that the external environment at the top of the jig 20 and the external environment at the bottom thereof communicate with each other through the air channel 23, at least one of which The air passage 23 is provided on the first bearing portion 21, and at least one of the air passage 23 is provided on the second bearing portion 22, so that a suction nozzle or other vacuum equipment can be placed on the fixture 20. An external force is applied to the load bearing structure 13 and the focusing mechanism 12 through the air passage 23 at the bottom to fix the load bearing structure 13 and the opposing mechanism 12 to the first bearing portion 21 and The second bearing portion 22 facilitates assembly in subsequent processes.

In this preferred embodiment, four air passages 23 are provided at the first bearing portion 21 and the second bearing portion 22 uniformly and at intervals to fix the bearing structure in all directions. 13 and the focusing mechanism 12 to make it fixed more firmly.

The method 900 for assembling the adjustable optical lens 10 includes the following steps: Step (901): Invert the focusing mechanism 12 and the supporting structure 13 on the jig 20; Step (902): Adjust the rule Tool 20, fixing the focusing mechanism 12 and the supporting structure 13 on the jig 20; step (903): assembling each of the optical lenses 11 to the inner space of the supporting structure 13 in sequence, wherein At least one piece of the optical lens 11 is an adjustable lens, and its assembly position is adjustable; step (904): fixing the remaining optical lens 11 except the adjustable lens; and step (905): from the The adjustable optical lens 10 is removed from the jig 20 to complete the assembly of the adjustable optical lens 10.

In the step (901), since the bearing structure 13 is designed to have the dual functions of a lens barrel and a focusing mechanism carrier at the time of design, the focusing mechanism 12 and the bearing structure are 13 can be assembled in one of the following three ways: (a) the focusing mechanism 12 can be connected to the supporting structure 13 in advance so that the supporting structure 13 has the function of a carrier of the focusing mechanism 12, The person as a whole is inverted on the jig 20 together, so that it further has the kinetic energy of the lens barrel; (b) the focusing mechanism 12 and the bearing structure 13 are inverted on the jig 20 that matches. After ascending, perform assembly of the two; (c) after assembling each of the optical lenses 11 inside the carrying structure 13 so that the carrying structure 13 has the function of a lens barrel, and then After the lens 11 is assembled into a whole, the bearing structure 13 and the focusing mechanism 12 are assembled, so that the lens 11 further functions as a carrier of the focusing mechanism 12.

In the step (902), by adjusting the jig 20 to cooperate with a suction nozzle or a vacuum device, the suction nozzle or the vacuum device is faced to the bottom of the jig 20 Pressure is applied to the air passage 23, so that the focusing mechanism 12 and the bearing structure 13 can be fixed by being adsorbed through the air passage 23, and the focusing mechanism 12 and the bearing structure 13 are respectively fixed to the place. The second abutting portion 22 and the first abutting portion 21 of the jig 20 prevent slippage, jitter, and offset during subsequent assembly processes, reduce assembly deviations, and ensure assembly accuracy.

In the step (903) and the step (904), each of the optical lenses 11 is placed, for example, four pieces of the optical lenses 11 in this preferred embodiment. A single-shot The method of inserting the single optical lens 11 into the first optical lens 111, the second optical lens 112, the third optical lens 113, and the fourth optical lens 114 in sequence. The optical lens 111 is an adjustable lens and is pre-assembled in the supporting structure 13. Therefore, it is not fixed, so that it can be adjusted in the subsequent processes. A hybrid glue of thermosetting glue and UV glue can be used in the ultraviolet. The first optical lens 111 is pre-assembled in the load-bearing structural member by semi-curing under light, and the first optical lens 111 can still be fixed in subsequent processes, and the second optical lens 112, the After the third optical lens 113 and the fourth optical lens 114 are placed, they are suitable to be directly fixed by thermosetting glue. You can choose to fix each optical lens after placing it, or you can fix it after all. Choose the actual situation. Those skilled in the art can understand that the assembly manner of each of the optical lenses 11 can be selected according to the structure of the inner wall of the load-bearing structural member 13, and any one or several of the four optical lenses 11 can be selected. The sheet is pre-assembled as an adjustable lens, wherein the pre-assembled adjustable lens must be assembled on a part of the supporting structure 13 higher than the focusing mechanism, so as to facilitate adjustment from the outside.

It is worth mentioning that, for fixing the lenses other than the adjustable lens, that is, after assembling the second optical lens 112, the third optical lens 113, and the fourth optical lens 114, it is possible to use The method of dispensing uses a thermosetting adhesive to fix it, and after the adjustable optical lens 10 is mounted on a camera module, the adjustable lens is the first optical element in the preferred embodiment. After the lens 111 is adjusted so that the center axis of the adjustable optical lens 10 coincides with the center axis of the photosensitive wafer in the camera module or is within a range allowed by the deviation, the adjustment of the adjustable lens meets the requirements, and then the It's fixed.

In the step (905), the suction nozzle or other vacuum equipment is removed, the adjustable optical lens 10 is taken out from the jig 20, and the assembly of the adjustable optical lens 10 is completed, wherein the adjustable lens is taken out The optical lens 10 can be air-jetted through the air passage 23, and an opposite force is applied to the adjustable optical lens 10 to eject the adjustable optical lens 10, and then the optical lens 10 can be taken out, or other methods can be adopted according to the actual situation. Take out the adjustable optical lens 10.

Referring to FIG. 4, a camera module including the adjustable optical lens 10 according to the above preferred embodiment will be explained. As shown in FIG. 4, a camera module includes the adjustable optical lens 10 and a photosensitive device 30, wherein the photosensitive device 30 includes a filter 31, a lens holder 32, a photosensitive chip 33 and a circuit. Plate 34, the photosensitive device is manufactured by a COB (chip on board) process, wherein the filter 31 is mounted on an upper portion of the lens holder 32 and connected to the lens holder 32, and is located on the photosensitive wafer Above the 33, the photosensitive wafer 33 is mounted above the circuit board 34, maintaining a distance from the inner wall of the lens holder 32, and the circuit board 34 is installed at the bottom of the lens holder 32, so that The photosensitive wafer 33 is installed in a cavity inside the lens holder 32. The adjustable optical lens 10 is mounted on the top of the photosensitive device 30 and is located on the photosensitive path of the photosensitive wafer 33. When light reflected by an object passes through the adjustable optical lens 10 and enters the camera module, Is received by the photosensitive wafer 33 and subjected to photoelectric conversion, so that the camera module can obtain an image related to an object in the subsequent steps.

Further, the focusing mechanism 12 is fixedly assembled on the top of the lens holder 32 and is connected to the lens holder 32 so that each of the optical lenses 11 is located on a photosensitive path of the photosensitive wafer 33, which is convenient Subsequent imaging makes the camera module more stable and reliable.

Referring to FIG. 10, the method 1000 for assembling a camera module includes the following steps: Step (1001): Invert the focusing mechanism 12 and the supporting structure 13 on the jig 20; Step (1002): Adjust the The fixture 20 fixes the focusing mechanism 12 and the supporting structure 13 on the fixture 20; Step (1003): Put each of the optical lenses 11 inside the carrying structure 13 in order. Space, where the first optical lens 111 is used as an adjustable lens, and its assembly position is adjustable; Step (1004): fixing the optical lenses 11 except the adjustable lens to complete the assembly of the adjustable optical lens 10; step (1005): connecting the assembled adjustable optical lens 10 to the lens On the photosensitive device 20, the adjustable optical lens 10 is set on the photosensitive path of the photosensitive wafer 33; Step (1006): power on the pre-assembled camera module, collect the camera module for imaging, and calculate the The adjustment method and the adjustment amount of the adjustable lens; step (1007): adjusting the adjustable lens according to the adjustment amount so that the imaging of the camera module meets the resolution requirements; and step (1008): fixing the adjustable lens To complete the assembly of the camera module.

The steps (1001)-(1004) are the same as the assembly of the adjustable optical lens 10, and are not repeated here.

In the step (1005), the bearing structure 13 and the focusing mechanism 12 are both mounted on the top of the lens holder 32 and fixedly connected to the lens holder 32.

In the step (1006), software is used to calculate an adjustment method and an adjustment amount of the adjustable lens, so as to facilitate quantitative and targeted adjustment of the adjustable lens. After the adjustment, the adjustable optical lens is adjusted. The central axis of 10 coincides with the central axis of the photosensitive wafer 33 or is within a range allowed by the deviation, so that the imaging of the camera module satisfies the resolution requirements.

In the step (1008), the adjustable lens is fixed by injecting glue through the adjusting channel 133 or the fixing channel 134, or fixing by using the glue that is pre-assembled by itself to be completely cured. One of the following methods: (1) Injecting glue into the adjustment channel 133 and baking, and curing the glue for pre-assembling the adjustable lens and the glue injected into the adjustment channel 133, so that the The adjusting lens is fixed, and the adjusting channel is sealed; (2) Glue is injected through the fixed channel 134 so as to contact the adjustable lens, and the glue injected through the fixed channel 134 and the pre-assembly unit are cured. The glue for the adjustable lens can fix the adjustable lens and the fixing channel 134 at the same time; (3) injecting glue through the adjusting channel 133 and the fixing channel 134 at the same time, curing, and fixing the lens Adjustable lens; (4) When the adjustable lens is placed on the fixing portion 132 and semi-cured with glue, it can be directly baked, and the pre-assembled glue can be completely cured to further fix the lens. Said adjustable lens.

Referring to FIG. 5, an embodiment of a camera module including the adjustable optical lens 10 according to the above preferred embodiment will be described. As shown in FIG. 5, a camera module includes the adjustable optical lens 10 and a photosensitive device 30A. The photosensitive device 30A includes a filter 31A, a lens holder 32A, a photosensitive chip 33A, and a circuit. Plate 34A, the photosensitive device 30A is manufactured using a flip chip process, wherein the filter 31A is mounted on the upper portion of the lens holder 32A and connected to the lens holder 32A, and the photosensitive wafer 33A is installed below the filter 31A and maintains a distance, wherein the photosensitive wafer 33A is directly connected to the lens holder 32A and maintains a predetermined distance from the circuit board 34A installed at the bottom of the lens holder 32A. The lens holder 32A has an electrical function, and corresponding electrical components are implanted therein to ensure the imaging of the camera module, and at the same time, the thickness of the photosensitive device 30A is thinner and the size is more compact, so that the camera The size of the module is small.

The adjustable optical lens 10 is mounted on the top of the photosensitive device 30A and is located on the photosensitive path of the photosensitive wafer 33A. When light reflected by an object passes through the adjustable optical lens 10 and enters the camera module, Is received by the photosensitive wafer 33A and subjected to photoelectric conversion, so that the camera module can obtain an image related to an object in the subsequent.

Further, the focusing mechanism 12 is fixedly assembled on the top of the lens holder 32A, and is connected to the lens holder 32A, so that each of the optical lenses 11 is located on a photosensitive path of the photosensitive wafer 33A, which is convenient Subsequent imaging makes the camera module work more stably and reliably.

Referring to FIG. 6, a second specific implementation of the adjustable optical lens provided by the present invention will be explained. As shown in FIG. 6, an adjustable optical lens 10B includes at least two optical lenses 11B, a focusing mechanism 12B, and a bearing structure 13B. Each of the optical lenses 11B is disposed along a height direction of the bearing structure 13B. In the internal space of the bearing structure 13B, at least two pieces of the optical lens 11B are adjustable in the assembly position in the bearing structure 13B, and the bearing structure 13B is installed in the focusing mechanism 12B. , Connected to the focusing mechanism The other components of 12B can move with the energization of the focusing mechanism 12B, and are further suitable for focusing.

The carrying structure 13B has the functions of a carrier of a conventional lens barrel and a focusing mechanism, and can be used to carry each of the optical lenses 13B, and exert the function of a carrier of the focusing mechanism 12B. The mechanism 12B moves with electricity, making the lens smaller in size, simpler to assemble, and higher in imaging quality.

In this preferred embodiment, four optical lenses 11B are included, which are a first optical lens 111B, a second optical lens 112B, a third optical lens 113B, and a fourth optical lens 114B. The first optical lens 111B and the second optical lens 112B are pre-assembled in the supporting structure 13B, and their assembly positions are suitable for being adjusted in at least one direction. In this preferred embodiment, the first The optical lens 111B and the second optical lens 112B are adjustable lenses.

The carrying structure member 13B has a fixing portion 132B equal to the number of the optical lens 11B. The fixing portion 132B is a boss formed by an inner wall of the carrying structure member 13B extending in the direction of the receiving cavity 131B. In order to support the optical lens 11B, that is, each of the optical lenses 11B is suitable for being placed on the corresponding fixing portion 132B. When the supporting structure 13B is inverted to assemble each of the optical lenses 11B, the optical lens 11B is convenient. The optical lens 11B is placed at the fixing portion, which is convenient for dispensing or welding, and is advantageous for assembly and fixing.

The load-bearing structural member 13B has at least two adjustment channels 133B that communicate the internal space of the load-bearing structural member 13B with the external environment, and the outer wall of each adjustable lens is respectively connected with at least one of the adjustment channels. 133B corresponds to adjust the adjustable lens from the outside of the load-bearing structural member 13B through the adjustment channel 133B, thereby adjusting the central axis of the adjustable lens.

In this preferred embodiment, eight of the adjustment channels 133B are provided along the outer wall of the load-bearing structural member 13B, four in each group, and each group is distributed circumferentially along the load-bearing structural member 13B, one of which Corresponds to the first optical lens 111B, and another group corresponds to the second optical lens 112B. Each of the adjustment channels 133B in each group is spaced at 90 ° from each other, corresponding to the corresponding adjustable lens. correspond.

When assembling the adjustable optical lens 10B, the first optical lens 11B and the second optical lens 112B are installed in the bearing structure 13B, and they are not completely fixed, making them suitable for being adjusted. The third optical lens 113B and the fourth optical lens 114B are fixed.

After the first optical lens 111B and the second optical lens 112B are adjusted, after the central axis of the adjustable optical lens 10B meets the requirements, the first optical lens 111B and the second optical lens 112B are processed. Fixing can be fixed in the following ways: (1) When the first optical lens 111B and the second optical lens 112B are pre-assembled by using a thermosetting glue and a UV glue for semi-curing under ultraviolet light, After the adjustment, it is directly baked to fully cure the pre-assembly glue, so as to fix the first optical lens 111B and the second optical lens 112B; (2) when the first optical lens 111B and the When the second optical lens 112B is pre-assembled by using a thermosetting adhesive and a UV adhesive for semi-curing under ultraviolet light, after the adjustment, a glue such as a thermosetting adhesive can be injected through the adjusting channel 133B, and then baked. The pre-assembly glue and the glue injected through the adjustment channel 133B are completely cured, so that the first optical lens 111B and the second optical lens 112B are fixed, and the adjustment channel 133B is sealed at the same time; (3) When the first optical lens 111B and the second optical lens 112B are pre-assembled by other methods, glue can be injected and fixed through the adjustment channel 133B after adjustment, and the adjustment channel 133B can be sealed at the same time; (4 ) A fixing channel may be provided on the top of the supporting structure 13B to inject glue to fix the first optical lens 111B, and inject glue to fix the second optical lens 112B through the adjustment channel 133B.

Referring to FIG. 7, a camera module including the adjustable optical lens 10B in the above preferred embodiment will be explained. As shown in FIG. 7, a camera module includes the adjustable optical lens 10B and a photosensitive device 30B. The photosensitive device 30B includes a filter 31B, a lens holder 32B, a photosensitive chip 33B, and a circuit. Board 34B, the photosensitive device is manufactured using a COB (chip on board) process, wherein the filter 31B is mounted on the upper portion of the lens holder 32B and connected to the lens holder 32B, and is located on the photosensitive wafer Above 33B, the photosensitive wafer 33B is mounted above the circuit board 34B, maintaining a distance from the inner wall of the lens holder 32B, and the circuit board 34B is installed at the bottom of the lens holder 32B, and makes the Photosensitive wafer 33B is mounted on In the cavity inside the mirror base 32B. The adjustable optical lens 10B is mounted on the top of the photosensitive device 30B and is located on the photosensitive path of the photosensitive wafer 33B. When light reflected by an object passes through the adjustable optical lens 10B and enters the camera module, Is received by the photosensitive wafer 33B and subjected to photoelectric conversion, so that the camera module can obtain an image related to an object in the subsequent.

Further, the focusing mechanism 12B is fixedly assembled on the top of the lens holder 32B, and is connected to the lens holder 32B, so that each of the optical lenses 11B is located on the photosensitive path of the photosensitive wafer 33B, which is convenient Subsequent imaging makes the camera module work more stably and reliably.

Those skilled in the art should understand that the embodiments of the present invention shown in the above description and the accompanying drawings are merely examples and do not limit the present invention. The object of the invention has been completely and effectively achieved. The function and structural principle of the present invention have been shown and explained in the embodiments, and the embodiments of the present invention may have any deformation or modification without departing from the principle.

Claims (18)

An adjustable optical lens, comprising: at least one optical lens; a focusing mechanism; and a bearing structure, each of the optical lenses is mounted on the bearing structure in a height direction of the bearing structure. In the internal space, the bearing structure has at least one adjustment channel and at least one fixed channel, and the fixed channel and the adjustment channel have different positions in the bearing structure, and at least one of the optical lenses serves as a Adjusting lens, the adjusting channel communicates with the internal space and external environment of the load-bearing structural member, and corresponds to the adjustable lens to adjust the assembly position of the adjustable lens, and the fixed channel is in communication with the adjustable lens Corresponding to an adjustable lens, adapted to inject glue through the fixed channel after adjusting the adjustable lens to further fix the adjustable lens, the bearing structure is further connected to the inside of the focusing mechanism as the focus The carrier of the mechanism moves with the energization of the focusing mechanism and is further suitable for focusing. The adjustable optical lens according to item 1 of the patent application scope, wherein an inner wall of the load-bearing structural member extends toward a cavity thereof to form at least one fixing portion, and the fixing portion is suitable for placing each of the optical lenses. The adjustable optical lens according to item 1 of the patent application scope, wherein a top end surface of the bearing structure is higher than a top end surface of the focusing mechanism, and the adjustment channel is provided in the bearing structure and is higher than the focus. Institutional part. The adjustable optical lens according to any one of claims 1 to 3, wherein the adjustable lens is pre-assembled in the bearing structure, and its assembly position is suitable for being adjusted in at least one direction. . The adjustable optical lens according to any one of claims 1 to 3, wherein the focusing mechanism is suitable for selecting a voice coil motor, a piezoelectric ceramic motor, or a liquid crystal motor. The adjustable optical lens according to any one of claims 1 to 3, wherein the adjustable lens is pre-assembled in the bearing structure by glue, and the glue used for pre-assembly is a kind of heat The mixed glue of solid glue and UV glue, after the UV exposure, the glue will be semi-cured to achieve pre-assembly, and after the baking treatment, the glue will be completely cured to fix the entire adjustable optical lens. A method for assembling an adjustable optical lens, which is characterized in that the method includes the following steps: (A) inverting a focusing mechanism and a supporting structure on a jig; (B) adjusting the jig, The focusing mechanism and the load-bearing structural member are fixed on the jig; (C) at least one optical lens is sequentially placed in the inner space of the load-bearing structural member, and at least one of the optical lenses is used as an adjustable lens, wherein The load-bearing structural member has at least one adjusting channel and at least one fixing channel to adjust and fix the adjustable lens; (D) fixing the other optical lens except the adjustable lens; and (E) completing the Assembly of adjustable optical lens. The method for assembling an adjustable optical lens according to item 7 of the scope of patent application, wherein in the step (A), a first bearing portion and a second bearing portion of the jig are used to Respectively used for carrying the bearing structure and the focusing mechanism, wherein the first bearing portion and the second bearing portion respectively match the shape and size of the bearing structure and the focusing mechanism. The method for assembling an adjustable optical lens according to item 8 of the scope of the patent application, wherein in the step (B), the bearing structure and the focusing mechanism are fixed by at least two air channels Wherein each of the air passages is connected to the top and the bottom of the jig, and the air passages are respectively provided on the first bearing portion and the second bearing portion, and are further suitable for using a suction nozzle or A vacuum device fixes the bearing structure and the focusing mechanism through the air passage. The method for assembling an adjustable optical lens according to item 7 of the scope of patent application, wherein in the step (C), the optical lenses other than the adjustable lens are sequentially assembled monolithically to the The internal space of the bearing structure, or a part of the optical lenses other than the adjustable lens, the optical lenses are fitted into a whole with each other, and then assembled with the unfitted optical lenses in sequence. Load-bearing structure. The method for assembling an adjustable optical lens according to item 9 of the scope of the patent application, wherein in the step (C), the optical lenses other than the adjustable lens are assembled monolithically to the lens in order. The internal space of the bearing structure, or a part of the optical lenses other than the adjustable lens, the optical lenses are fitted into a whole with each other, and then assembled with the unfitted optical lenses in sequence. Load-bearing structure. The method for assembling the adjustable optical lens according to item 7 of the scope of the patent application, wherein in the step (D), the adjustable lens is pre-assembled in the load-bearing structural member by glue without fixing, The other optical lenses except the adjustable lens are directly fixed in the bearing structure, wherein the glue used in the pre-assembly is a mixed glue of a thermosetting glue and a UV glue. The glue will be semi-cured for pre-assembly. The method for assembling the adjustable optical lens according to item 11 of the scope of the patent application, wherein in the step (D), the adjustable lens is pre-assembled into the load-bearing structural member by glue without fixing, The other optical lenses except the adjustable lens are directly fixed in the bearing structure, wherein the glue used in the pre-assembly is a mixed glue of a thermosetting glue and a UV glue. The glue will be semi-cured for pre-assembly. The method for assembling an adjustable optical lens according to any one of items 7 to 13 of the scope of the patent application, wherein in the above method, the bearing structure is provided with at least one of the adjustment channels, and the adjustment channels communicate with each other. To the internal space and external environment of the load-bearing structural member and corresponding to the adjustable lens to adjust the assembly position of the adjustable lens. The method for assembling an adjustable optical lens according to item 14 of the scope of patent application, wherein in the above method, a top end surface of the load-bearing structural member is higher than a top end surface of the focusing mechanism, and the adjustment channel is provided in the A portion of the bearing structure higher than the focusing mechanism. The method for assembling an adjustable optical lens according to item 14 of the scope of the patent application, wherein in the step (A), the bearing structure is installed inside the focusing mechanism as a carrier of the focusing mechanism, It moves with the power of the focusing mechanism. The method for assembling an adjustable optical lens according to item 16 of the scope of patent application, wherein in the step (A), the focusing mechanism is connected with the supporting structure in advance as a whole or the supporting structure is preliminarily combined. It is assembled inside the focusing mechanism, and then the two are connected in step (E). The method for assembling an adjustable optical lens according to item 17 of the scope of patent application, wherein in the above method, a top end surface of the load-bearing structural member is higher than a top end surface of the focusing mechanism, and the jig has a groove. Is suitable for accommodating a part of the bearing structure higher than the focusing mechanism, wherein a depth of the groove is equal to a height difference between the focusing mechanism and the bearing structure.