TWI691748B - Camera module lens, camera module and assembling method thereof - Google Patents

Abstract

The invention is a camera module lens, camera module and its assembling method, wherein the camera The image module lens includes at least one internal optical lens, at least one external optical lens, and a lens barrel component, each of the internal optical lenses is arranged in a predetermined order in the internal space of the lens barrel component, and each of the external optical lenses The height direction of the lens barrel component is set outside the lens barrel component, wherein each of the internal optical lenses and each of the external optical lenses are located on the optical path of the camera module lens, this design The method shortens the assembly tolerance chain of the lens and reduces the distance from the lens to the wafer, and can achieve a smaller back focal length of the lens to ensure higher imaging quality.

Description

Camera module lens, camera module and assembling method thereof

The invention relates to a camera module lens, a camera module and an assembly method thereof, in particular to a camera module lens, a camera module and an assembly method thereof.

With the gradual expansion of the application field of camera modules, the demand for camera modules from all walks of life is increasing, and the quality requirements of camera modules are also getting higher and higher. This puts a higher priority on the camera module manufacturing industry. Requirements, so that the camera module can obtain higher imaging quality at a lower cost.

In the conventional camera module assembly process, the lens is an independently assembled component, which includes the lens barrel (including the diaphragm), the lens, the spacer, the stopper and other structures. Its assembly process includes: The lens is put into the lens barrel in order, and the last lens is fixed with glue or pressure ring to realize the assembly of the lens. The assembly tolerances of the above assembly methods include: the assembly tolerance of the lens and the spacer, and the assembly tolerance of the lens and the lens. Therefore, the assembly tolerance chain of this assembly method is too long, the assembly cost is high, and the accuracy of the assembly position of the lens is relatively poor, which affects the quality of the lens, which in turn affects the quality of the entire camera module and its applied products.

Therefore, how to improve the assembly of the camera module to shorten the assembly tolerance chain, reduce the manufacturing cost, and improve its imaging quality has become an urgent problem in the field of camera modules.

An object of the present invention is to provide a camera module lens, a camera module, and an assembly method thereof, which can shorten the lens assembly tolerance chain, reduce the assembly cost, and improve the imaging quality of the camera module.

An object of the present invention is to provide a camera module lens, a camera module, and an assembling method thereof. Each internal optical lens is assembled and assembled, the processing accuracy of the lens barrel component, and the assembly accuracy between the optical lens and the lens barrel component Lower requirements are conducive to reducing costs.

An object of the present invention is to provide a camera module lens, a camera module and an assembling method thereof. After the internal optical lenses are fitted together and then assembled in the lens barrel component, the traditional single-piece assembly process is changed to make the assembly The tolerance chain becomes shorter, improving assembly efficiency.

An object of the present invention is to provide a camera module lens, a camera module, and an assembling method thereof. The last optical lens as an external optical lens is not installed in the lens barrel component, but is external to the lens barrel component The connection between the bottoms can effectively reduce the processing accuracy of the lens barrel component and the assembly accuracy between the optical lens and the lens barrel component, reduce the cost, and improve the imaging quality.

An object of the present invention is to provide a camera module lens, a camera module, and an assembling method thereof. As the last optical lens of the external optical lens, a light blocking layer is provided on the outside of the external optical lens, which can prevent external light from entering from a non-beam incident channel and can The light leakage of the lens can ensure that the lens has high quality, and the light blocking layer is thin, which is beneficial to reduce the weight of the camera module lens.

An object of the present invention is to provide a camera module lens, a camera module, and an assembly method thereof, in which the external optical lens is not installed inside the lens barrel component, but directly bears on the lens holder, therefore, the lens barrel component and the mirror The assembly tolerance between the seats does not affect the imaging quality of the camera module, and shortens the assembly tolerance chain of the lens, which is conducive to improving production efficiency.

An object of the present invention is to provide a camera module lens, a camera module, and an assembly method thereof, in which the distance between the lens and the photosensitive chip can be reduced by placing the last optical lens between the outside of the lens barrel and the lens holder , Can achieve a smaller back focal length of the lens, which is conducive to the development of the camera module in the direction of light and thin.

An object of the present invention is to provide a camera module lens, a camera module, and an assembly method thereof, wherein at least one internal optical lens serves as an adjustable lens, and after adjustment, the center axis of the camera module lens coincides with the center axis of the photosensitive chip or Within the allowable deviation range, the imaging quality of the camera module is calibrated to ensure that the camera module has a high imaging quality after the manufacturing is completed.

An object of the present invention is to provide a camera module lens and a camera module and an assembling method thereof, in which an external optical lens is pre-assembled between a lens barrel component and a lens holder, which is suitable for adjusting the external optical lens and/or lens barrel The components adjust the optical path of the camera module lens, and then calibrate the imaging of the camera module to improve the imaging quality and manufacturing yield of the camera module.

An object of the present invention is to provide a camera module lens, a camera module, and an assembling method thereof. By setting an adjustable lens, the back focal length of the lens can be calibrated and the imaging quality of the camera module can be adjusted. The calibration can be completed during the assembly process. Greatly improve the manufacturing yield and product performance of camera modules.

An object of the present invention is to provide a camera module lens, a camera module and an assembling method thereof, wherein by setting an adjustable lens, the camera module is calibrated during the manufacturing process, eliminating subsequent focusing steps and reducing the process , Cost savings and improved efficiency.

An object of the present invention is to provide a camera module lens, a camera module, and an assembling method thereof. The assembling method is simple and feasible, easy to operate, and suitable for popularization and application.

In order to meet the above objectives of the present invention and other objectives and advantages of the present invention, the present invention Ming provides a camera module lens, including: at least one internal optical lens; at least one external optical lens; and a lens barrel component, each of the internal optical lenses is disposed in an internal space of the lens barrel component in a predetermined order, each The external optical lens is disposed outside the lens barrel component along the height direction of the lens barrel component, wherein each of the internal optical lens and each of the external optical lenses are located in the optical of the camera module lens On the path.

According to an embodiment of the present invention, each of the internal optical lenses is fitted and assembled with each other as a whole, and is fixed in the lens barrel component.

According to an embodiment of the present invention, spacers are used for fitting between the adjacent internal optical lenses or are directly fitted by glue.

According to an embodiment of the present invention, at least one of the internal optical lenses is pre-assembled in the lens barrel component as an adjustable lens, the assembly position of the adjustable lens is suitable for the spatial position of the lens barrel component It is adjusted in at least one direction.

According to an embodiment of the present invention, at least one adjustment channel is provided along the outer circumferential direction of the lens barrel component, and each of the adjustment channels communicates the internal space of the lens barrel component with the external environment, wherein each of the adjustments The channels correspond to each of the adjustable lenses, and are adapted to adjust the assembly position of the adjustable lenses through the adjustment channels to adjust the optical path of the camera module lens.

According to an embodiment of the present invention, a one-point glue device is used to inject glue through the adjustment channel to fix the adjustable lens to the inner wall of the lens barrel component, while being able to seal the adjustment channel.

According to an embodiment of the present invention, when the first internal optical lens as the adjustable lens is disposed in the internal space at the top of the barrel member, the top of the barrel member is provided with One less fixed channel, wherein the fixed channel corresponds to the edge of the adjustable lens, connects the edge of the adjustable lens to the external environment, and is further suitable for injecting glue through the fixed channel to fix the Adjust the lens.

According to an embodiment of the present invention, the external optical lens is fixed to the bottom of the lens barrel component, and the top surface edge of the external optical lens is connected to the bottom surface of the lens barrel component.

According to an embodiment of the present invention, the external optical lens is pre-assembled as an adjustable lens at the bottom of the lens barrel component, and the top surface edge of the external optical lens is connected to the bottom surface of the lens barrel component, wherein The assembly position of the external optical lens relative to the lens barrel component is adapted to be adjusted in at least one direction.

According to an embodiment of the present invention, each of the external optical lenses has a light blocking layer on the outer side, and the light blocking layer completely covers the entire side surface of the external optical lens.

According to an embodiment of the present invention, the light blocking layer is formed by coating black glue on the outside of each of the external optical lenses.

According to another aspect of the present invention, the present invention also provides a camera module, including: A photosensitive device, the photosensitive device includes a photosensitive chip and a lens holder; and a camera module lens, the camera module lens is disposed on the photosensitive path of the photosensitive chip, wherein the camera module lens includes At least one internal optical lens, at least one external optical lens, and a lens barrel component, each of the internal optical lenses is disposed in an internal space of the lens barrel component in a predetermined order, and each of the external optical lenses is disposed in the mirror Between the barrel member and the lens holder, each of the internal optical lenses and each of the external optical lenses are located on the photosensitive path of the photosensitive wafer.

According to an embodiment of the present invention, the external optical lens is fixed to the lens barrel component Between the lens holder, the top surface edge and the bottom surface edge of the external optical lens are fixedly connected to the bottom surface of the lens barrel component and the top surface of the lens holder, respectively.

According to an embodiment of the present invention, the external optical lens is pre-assembled as an adjustable lens between the lens barrel part and the lens holder, and the top surface edge and the bottom surface edge of the external optical lens are respectively The bottom surface of the lens barrel component is connected to the top surface of the lens mount, and neither is fixed, wherein the assembly positions of the external optical lens and the lens barrel component relative to the photosensitive wafer are both adapted to be carried out in at least one direction After adjustment, the center axis of the lens of the camera module coincides with the center axis of the photosensitive wafer or is within the range allowed by the deviation.

According to an embodiment of the present invention, the external optical lens is pre-assembled between the lens barrel part and the lens holder, and the top surface edge of the external optical lens is fixed between the bottom surface of the lens barrel part Connection, the bottom surface edge of the external optical lens is pre-assembled between the bottom surface of the lens barrel component, and no fixation is made, so that the assembly position of the camera module lens relative to the photosensitive chip is suitable to be performed at least The adjustment in one direction enables the center axis of the lens of the camera module to coincide with the center axis of the photosensitive wafer after adjustment, or within the allowable deviation range.

According to an embodiment of the present invention, the external optical lens is pre-assembled on the lens holder with glue, and the glue used for pre-assembly is a mixture of UV glue and thermosetting glue, which is pre-assembled and adjusted by semi-curing with UV exposure. Then, the glue is completely cured to fix the external optical lens.

According to another aspect of the present invention, the present invention also provides a method for assembling a camera module lens. The method includes the following steps: (A) installing at least one internal optical lens in a predetermined order in an internal space of a lens barrel component; (B) Install at least one external optical lens along the height direction of the lens barrel component The external space at the bottom of the lens barrel component; and (C) completing the assembly of the camera module lens.

According to an embodiment of the present invention, the method further includes a step (D): providing a light blocking layer on the outside of the external optical lens, wherein the light blocking layer is adapted to be performed before or after assembling the external optical lens Layer settings.

According to another aspect of the present invention, the present invention also provides a method of assembling a camera module, the method comprising the following steps: (a) installing at least one internal optical lens in a predetermined order in the internal space of a lens barrel component; b) Install at least one external optical lens in the external space of the lens barrel component along the height direction of the lens barrel component; (c) Provide a light-blocking layer outside the external optical lens to complete the imaging Assembly of the module lens; (d) setting the camera module lens on the photosensitive path of a photosensitive chip; (e) completing the pre-assembly of the camera module; and (f) packaging the camera module lens And the photosensitive chip to complete the assembly of the camera module.

According to an embodiment of the present invention, in the step (a), each of the internal optical lenses is pre-fitted and assembled into a whole in a predetermined order, and then fixed in the inner space of the lens barrel component.

According to an embodiment of the present invention, in the step (a), each of the internal optical lenses is fixed to the internal space of the lens barrel member piece by piece in a predetermined order.

According to an embodiment of the present invention, in the step (a), at least one of the internal optical lenses is pre-assembled as an adjustable lens in the inner space of the lens barrel component, wherein the assembly positions of the adjustable lenses are opposite The internal space of the lens barrel member is adapted to be adjusted in at least one direction.

According to an embodiment of the present invention, the lens barrel component is provided with at least one adjustment channel, and each of the adjustment channels communicates with the internal space and the external environment of the lens barrel component and corresponds to the adjustable lens, suitable for An external adjustment device is used to contact the outside of the adjustable lens through the adjustment channel to adjust the assembly position of the adjustable lens, after adjustment, the center axis of the camera module lens and the center axis of the photosensitive chip are adjusted Coincidence or within the allowable range of deviation.

According to an embodiment of the present invention, a one-point glue device is used to inject glue through the adjustment channel to fix the adjustable lens to the inner wall of the lens barrel component, while being able to seal the adjustment channel.

According to an embodiment of the present invention, when the first internal optical lens as the adjustable lens is disposed in the internal space at the top of the lens barrel component, the top of the lens barrel component is provided with at least one fixed channel, Wherein the fixed channel corresponds to the edge of the adjustable lens, and connects the edge of the adjustable lens to the external environment, which is suitable for injecting glue through the fixed channel to fix the adjustable lens.

According to an embodiment of the present invention, in the step (b) and the step (d), the external optical lens is fixed between the lens barrel part and a lens holder, wherein the external optical lens The top surface edge of the lens or the bottom surface of the lens barrel part is coated with glue to fix the two, and the two are fixedly connected by applying glue to the bottom surface edge of the external optical lens or the top surface of the lens holder.

According to an embodiment of the present invention, in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens between the lens barrel component and a lens holder, by The top surface edge of the external optical lens or the bottom surface of the lens barrel component is coated with glue to perform pre-assembly between the two, and by coating on the bottom surface edge of the external optical lens or the top surface of the lens holder The glue performs pre-assembly between the two, wherein the assembly positions of the external optical lens and the lens barrel component relative to the photosensitive wafer are both adapted to be adjusted in at least one direction.

According to an embodiment of the present invention, in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens between the lens barrel component and a lens holder, by The top surface edge of the external optical lens or the bottom surface of the lens barrel component is coated with glue to fix the two, and is performed by coating the bottom surface edge of the external optical lens or the top surface of the lens holder with glue In the pre-assembly between the two, the assembly position of the camera module lens relative to the photosensitive wafer is suitable for being adjusted in at least one direction.

According to an embodiment of the present invention, in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens between the lens barrel component and a lens holder, by The top surface edge of the external optical lens or the bottom surface of the lens barrel component is coated with glue to perform pre-assembly between the two, and by coating on the bottom surface edge of the external optical lens or the top surface of the lens holder The glue connects the two fixedly, wherein the assembly position of the lens barrel component relative to the photosensitive wafer is adapted to be adjusted in at least one direction.

According to an embodiment of the present invention, the step (e) includes the following steps: (e1) energizing the pre-assembled camera module to collect the camera module imaging; (e2) adjusting the calculation office according to the camera module imaging An adjustment method and an adjustment amount of the adjustable lens; and (e3) adjusting the adjustable lens according to the adjustment amount so that the imaging of the camera module meets the resolution requirements.

According to an embodiment of the present invention, in the step (f), the adjustable lens is fixed with glue to complete the assembly of the camera module.

According to an embodiment of the present invention, in the step (c), it is suitable to set the light blocking layer before or after assembling the external optical lens. According to an embodiment of the present invention, in the step (c), the light blocking layer is formed by coating black glue on the outer side of each external optical lens, and the light blocking layer completely covers the whole of the external optical lens side.

10, 10B, 10C: camera module lens

11, 11B, 11C: internal optical lens

111C: The first internal optical lens

112C: Second internal optical lens

113C: Third internal optical lens

12, 12B, 12C: external optical lens

121, 121B, 121C: light blocking layer

13, 13B, 13C: lens barrel parts

14: glue

131, 131B, 131C: containment cavity

132C: Adjust the channel

133C: fixed channel

20, 20A, 20C: photosensitive device

21, 21A, 21C: photosensitive chip

22, 22A, 22C: filter

23, 23A, 23C: circuit board

24, 24A, 24C: lens holder

1100, 1100: assembly method

1001~1006: steps

10051~10053: steps

1101~1106: steps

11051~11053: steps

FIG. 1 is a schematic perspective view of the camera module lens according to the first preferred embodiment of the present invention.

2 is a schematic cross-sectional view of the camera module lens according to the first preferred embodiment of the present invention.

3 is a schematic cross-sectional view of the camera module according to the first preferred embodiment of the present invention.

4 is a schematic diagram of an assembly method of the camera module 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.

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

7 is a schematic perspective view of a camera module lens according to a second preferred embodiment of the present invention.

8 is a schematic cross-sectional view of the camera module lens according to the second preferred embodiment of the present invention.

9 is a schematic cross-sectional view of the camera module according to the second preferred embodiment of the present invention.

10 is a flowchart of an assembly method of the camera module according to the first preferred embodiment of the present invention.

11 is a flowchart of an assembly method of a camera module according to the second preferred embodiment of the present invention.

The following description is used to disclose the present invention to enable those skilled in the art to implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art may think of other obvious modifications. 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 present invention.

With reference to FIGS. 1 and 2, the first specific implementation of the camera module lens provided by the present invention will be described. As shown in FIGS. 1 and 2, a camera module lens 10 includes at least one internal optical lens 11, at least one external optical lens 12, and a lens barrel member 13, wherein each of the internal optical lenses 11 is along the mirror The height direction of the barrel member 13 is provided in the inner space of the lens barrel member 13, and each of the external optical lenses 12 is provided outside the lens barrel member 13 along the height direction of the lens barrel member, for example, The external space at the top or bottom of the lens barrel member 13 is located on the same optical path as the internal optical lens 11 of the camera module lens 10, but the external optical lens 12 is not included in the lens barrel member 13 inside.

The preferred embodiment includes three internal optical lenses 11, each of the internal optical lenses 11 is fitted with each other, and is fixed in a receiving cavity 131 of the lens barrel member 13 after being fitted, wherein adjacent The inner optical lenses 11 can be connected to each other by a spacer ring, or the edges of the inner optical lenses 11 can be treated, for example, glued, so that the inner optical lenses 11 are between each other In order to directly fit together through the bonding of the coated glue, eliminating the need for structural parts such as spacers. When each of the internal optical lenses 11 is fitted together to form a lens assembly, then each of the internal optical lenses 11 is installed as a whole inside the lens barrel member 13 and fixed, in this case, The processing accuracy of the lens barrel member 13 and the assembly accuracy between each of the internal optical lens 11 and the lens barrel member 13 are low, which is beneficial to reduce the manufacturing cost, reduce the assembly process, and reduce the assembly tolerance Chain, save assembly time, improve production efficiency and product yield.

In this preferred embodiment, it is implemented as a piece of the external optical lens 12, the external optical lens 12 is mounted on the bottom of the lens barrel part 13, wherein the edge of the external optical lens 12 and the lens barrel part The bottom of 13 is connected. It may be implemented by applying glue to the top surface edge of the external optical lens 12 and the bottom surface of the lens barrel member 13 to fix the two together, so that the external optical lens 12 corresponds to each of the internal optical lenses 11 , Are located on the optical path of the camera module lens 10.

Since the lens barrel part 13 is a traditional black objective lens barrel, it has a light blocking function, which can prevent external light from entering the camera module lens 10 from outside the non-beam entrance channel, and can prevent entry from the beam entrance channel The light inside the camera module lens 10 leaks out, and the external optical lens 12 is not disposed inside the lens barrel part 13, so the present invention provides a light blocking layer 121 outside the external optical lens 12 , Where the light blocking layer 121 must completely cover the entire side of the external optical lens 12 to prevent the camera module lens 10 from leaking light and to prevent external stray light Enter the camera module lens 10 to ensure the imaging quality of the camera module lens 10.

In other embodiments of the present invention, for the camera module lens 10, in the camera module lens 10, the outer optical lens 12 may not have the light blocking layer 121 outside the The camera module lens 10 includes the external optical lens 12 without a light blocking layer. Since the light blocking layer 121 can be set in a subsequent process, the light blocking layer 121 is provided for the camera module The lens 121 is not necessary.

After the camera module lens 10 is installed in the corresponding camera module, in order to ensure the imaging quality of the camera module, the external optical lens 12 that has been assembled in the camera module is provided with the light blocking Layer 121, when the camera module is assembled, the light blocking layer 121 may be provided outside the external optical lens 12 of the camera module lens 10, and then the camera module having the light blocking layer 121 already provided The group lens 10 and the photosensitive device are assembled into a camera module.

In short, the camera module lens 10 may or may not include the light blocking layer 121.

When the camera module lens 10 includes the light-blocking layer 121, the setting time of the light-blocking layer 121 may be in the following three ways: (1) The light-blocking layer 121 is provided in advance on the outside of the external optical lens 12 Layer 121, and then assemble the external optical lens 12 to the camera module lens 10; (2) After assembling the external optical lens 12 to the camera module lens 10, the light layer 121 is provided (3) After assembling the camera module lens 10 and the photosensitive device including the light blocking layer 121 without the light blocking layer 121 into a camera module, the light blocking layer 121 is provided outside the external optical lens 12.

Preferably, the light blocking layer 121 is provided by coating a black glue on the outside of the external optical lens 12, the black glue may be a thermosetting glue, and the light blocking layer 121 is formed after curing.

Referring to FIG. 3, a camera module including the camera module lens 10 described above will be explained Narrate. As shown in FIG. 3, a camera module includes the camera module lens 10 and a photosensitive device 20, the photosensitive device 20 includes a photosensitive chip 21, and the camera module lens 10 is disposed on the photosensitive chip On the photosensitive path of 21, when the light reflected by the object enters the interior of the camera module through the camera module lens 10, it is received by the photosensitive chip 21 and undergoes photoelectric conversion, so that in the subsequent process, the camera module The group can obtain images related to the object.

The photosensitive device further includes a filter 22, a circuit board 23 and a lens holder 24, wherein the filter 22 is installed inside the lens holder 24 and is disposed above the photosensitive chip 21 , Wherein the photosensitive wafer 21 is mounted above the circuit board 23, the circuit board 23 is installed at the bottom of the lens holder 24 and the photosensitive wafer 21 is located in the cavity inside the lens holder 24 In addition, the photosensitive wafer 21 and the lens holder 24 are kept at a distance, and the two are not in direct contact, that is, the photosensitive device 20 is manufactured by a COB (chip on board) process.

The external optical lens 12 is disposed between the lens barrel member 13 and the lens holder 24, that is, the top surface edge of the external optical lens 12 is connected to the bottom surface of the lens barrel member 13, the external The bottom surface edge of the optical lens 12 is connected to the top surface of the lens holder 24, bears on the lens holder 24, is supported by the lens holder 24, and each of the inner optical lens 11 and each of the outer optics The lenses 12 are all disposed on the photosensitive path of the photosensitive wafer 21.

The external optical lens 12 is disposed outside the lens barrel member 13 and bears on the lens holder 24, which can reduce the distance between the camera module lens 10 and the photosensitive chip 21, which can be achieved The smaller the back focal length of the lens, the higher the imaging quality of the camera module made with this lens, and the cost will be greatly reduced.

4 and 10, the assembly method of the camera module will be explained. The method 1000 for assembling the camera module includes the following steps: Step (1001): install each of the internal optical lenses 11 in the inner space of the barrel member 13 and fix it; Step (1002): install the external optical lenses 12 at the bottom of the barrel member 13 External space; step (1003): the light blocking layer 121 is provided on the outside of the external optical lens 12 to complete the assembly of the camera module lens 10; step (1004): the camera module lens 10 Pre-assembled in the photosensitive device 20 to complete the pre-assembly of the camera module; step (1005): adjusting the assembly position of the camera module lens 10 so that the camera module imaging meets the resolution requirements; and steps (1006): packaging the camera module lens 10 and the photosensitive device 20 to complete the assembly of the camera module.

The steps (1001) to (1003) are the assembly steps of the camera module lens 10.

In the step (1001), each of the internal optical lenses 11 may be fixed one by one in the inner space of the lens barrel member 13, or each of the internal optical lenses 11 may be fitted to form a whole The lens assembly is then fixed in the inner space of the lens barrel component 13.

In the step (1002) and the step (1003), when the outer surface of the external optical lens 12 is coated with vinyl and the light blocking layer 121 is provided, the lens barrel member 13 and the Applying black glue to the junction of the external optical lens 12 can not only form the light blocking layer 121, but also connect the external optical lens 12 to the lens barrel component 13, reducing assembly steps, saving time and improving products Production efficiency, reduce costs. Of course, the external optical lens 12 can also be After the lens barrel component 13 is connected, the black layer 121 is coated on the outer side of the external optical lens 12 to set the light blocking layer 121 according to the actual situation, wherein the light blocking layer 121 can be assembled on the outside The optical lens 12 is installed before, of course, it can be installed after assembly.

Further, the two can be connected together by applying glue on the top surface edge of the external optical lens 12 or applying glue on the bottom surface of the lens barrel component 13, wherein the external optical lens 12 and the lens barrel The components 13 may be fixedly connected or not fixed, and the two are pre-assembled, so that the assembly positions of the lens barrel component 13 and the external optical lens 12 are adapted to be carried out in at least one direction in a subsequent process Adjustment.

In the step (1004), glue the edge of the bottom surface of the external optical lens 12 or glue on the top surface of the lens holder 24, between the outer optical lens 12 and the lens holder 24 The glue 14 is used for fixed connection, wherein the glue 14 is preferably a thermosetting glue, or the two can be pre-assembled, so that the assembly position of the external optical lens 12 relative to the photosensitive wafer 21 is suitable for being carried out Adjustment in at least one direction.

In the above steps, the glue for pre-assembly is suitable for selecting a mixture of UV glue and thermosetting glue for pre-assembly. The glue is semi-cured after UV exposure to achieve pre-assembly, and is completely cured by baking in the later stage. , And then the external optical lens 12 is fixed to the lens holder 24 and the lens barrel member 13.

In the step (1005), the adjustment of the camera module lens 10 can be achieved by adjusting the external optical lens 12 and/or the lens barrel member 13, that is, adjusting the optical of the camera module lens 10 The path enables the center axis of the camera module lens 10 to coincide with the center axis of the photosensitive wafer 21 or within a range that allows deviation, thereby enabling the camera module imaging to meet the expected resolution requirements.

Among them, in the above assembly method, the pre-assembly of the external optical lens 12 may be performed, and the camera module may be calibrated in the following three ways: (1) adjust the assembly position of the lens barrel component 13 to the The camera module is calibrated, that is, by adjusting the lens barrel member 13 to adjust each of the internal optical lenses 11 fixed in its internal space, in other words, in this case, the external optical lens 12 and the mirror Pre-assembled between the barrel parts 13 and fixedly connected with the lens holder 24; (2) Adjust the barrel part 13 and the external optical lens 12 to calibrate the camera module, in this case , The external optical lens 12 is pre-assembled between the lens barrel member 13 and the lens holder 24; and (3) adjusting the lens barrel member 13 and the external optical lens 12 to the camera at the same time The module is calibrated, that is, the camera module lens 10 is adjusted to calibrate the camera module. In other words, in this case, the external optical lens 12 and the lens barrel member 13 are fixedly connected, and The mirror bases 24 are pre-assembled.

The step (1005) includes the following steps: step (10051) energizes the pre-assembled camera module and collects the camera module image; step (10052) images the camera module and uses software to calculate the camera according to the optical method The adjustment method and the adjustment amount of the module lens 10 include the adjustment method and the adjustment amount of the external optical lens 12 and/or the adjustment method and the adjustment amount of the lens barrel member 13; step (10053) adjusts the adjustment amount according to the adjustment amount The assembly position of the camera module lens 10 is quantitatively adjusted.

In the step (1006), after adjusting the pre-assembled camera module 10, by passing between the external optical lens 12 and the lens barrel member 13 and between the external optical lens 12 and the lens holder Dispensing between 24, such as thermosetting glue, and then curing to fix the pre-assembled external optical lens 12 to complete the assembly of the camera module.

In addition, the external optical lens 12 may be directly fixed to the lens barrel Between the component 13 and the lens holder 24, that is, the camera module lens 10 is fixed to the photosensitive device 20. After the fixing, no adjustment can be made to complete the assembly of the camera module, but this assembly method will make the There is a tolerance for the optical back focal length of the focal module, and the quality of the resulting module is unstable. It is necessary to adjust the optical back focal length of each module again.

Referring to FIG. 5, another camera module including the camera module lens 10 described above will be explained. As shown in FIG. 5, a camera module includes the camera module lens 10 and a photosensitive device 20A. The photosensitive device 20A includes a photosensitive chip 21A. The camera module lens 10 is disposed on the photosensitive chip On the photosensitive path of 21A, when the light reflected by the object enters the interior of the camera module through the camera module lens 10, it is received by the photosensitive chip 21A and undergoes photoelectric conversion, so that in the subsequent process, the camera module The group can obtain images related to the object.

The photosensitive device 20A further includes a filter 22A, a circuit board 23A and a mirror holder 24A. The photosensitive device 20A uses a flip chip process. The photosensitive chip 21A is located in the mirror holder The bottom of 24A is directly connected to the lens holder 24A, and the photosensitive wafer 21A and the filter 22A are located at the top and bottom of a boss provided on the inner wall of the lens holder 24A, wherein The photosensitive chip 23A maintains a distance from the circuit board 23A, and the lens holder 24A has an electrical function, which can ensure the imaging of the camera module.

The height of the photosensitive device 20A in this modified implementation is small, which can not only meet the assembly requirements of the module with a small back focus, but also further shorten the length of the assembly tolerance chain, so that the photosensitive chip 21A and the camera module The relative assembly position tolerance of the group lens 10 is minimized, and its assembly accuracy is improved. Moreover, it is beneficial to reduce the back focus limit of the camera module, so as to further reduce the height and size of the module, and is conducive to the development of the camera module in the direction of lightness and thinness. In addition, since the photosensitive wafer 21A is directly disposed on the lens holder 24A, it does not need to be mounted on the circuit board 23A, which can eliminate the unevenness of the circuit board The influence on the photosensitive chip further ensures the imaging quality of the camera module.

Referring to FIG. 6, a modified implementation of the camera module lens provided by the present invention will be described. As shown in FIG. 6, a camera module lens 10B includes four internal optical lenses 11B, an external optical lens 12B, and a barrel member 13B, and each of the internal optical lenses 11B is disposed along the height direction of the barrel member 13B In a receiving cavity 131B of the lens barrel member 13B, the external optical lens 12B is fixed to the lens barrel member 13 at the bottom of the lens barrel member 13B, and each of the internal optical lenses 11B and The external optical lens 12B is located on the optical path of the camera module lens 10B.

Each of the internal optical lenses 11B is fixed to the internal space of the lens barrel member 13B piece by piece in order, wherein the inner optical lenses 11B are connected to and fixed to the lens barrel member 13B using spacers.

The edge of the external optical lens 12B has a light blocking layer 121B. The light blocking layer 121B is formed by coating black glue on the outside of the external optical lens 12B. The black glue is preferably a thermosetting glue. The light blocking layer 121B completely covers the entire side surface of the external optical lens 12B, preventing light leakage of the camera module lens 10B.

7 and 8, the second specific implementation of the camera module lens provided by the present invention will be described. As shown in FIGS. 7 and 8, a camera module lens 10C includes at least one internal optical lens 11C, at least one external optical lens 12C, and a lens barrel component 13C, wherein each of the internal optical lenses 11C is disposed on the The lens barrel member 13C has an accommodating cavity 131C, the outer optical lens 12C is disposed at the bottom of the lens barrel member 13C and is located outside the lens barrel member 13C, and the inner optical lens 11C and each The external optical lens 12C is located on the optical path of the camera module lens 10C.

In this preferred embodiment, three internal optical lenses 11C are included, one for each A first internal optical lens 111C, a second internal optical lens 112C, and a third internal optical lens 113C, wherein the first internal optical lens 111C is pre-assembled in the internal space on the top of the barrel part 13C as a The lens adjustment position is suitable for being adjusted in at least one direction with respect to the spatial position of the lens barrel member 13C, and the adjustable directions include one or more of horizontal, vertical, oblique, and circumferential directions.

Preferably, the first inner optical lens 111C is pre-assembled using glue, wherein the glue is preferably a mixed glue of UV glue and thermosetting glue, and the first inner optical lens 111C is pre-assembled after semi-curing after UV exposure In the lens barrel component 13C, after adjustment in the later stage, the glue is baked and completely cured to fix the first internal optical lens 111C. Those skilled in the art may also choose other ways to pre-assemble the adjustable lens.

After the second internal optical lens 112C and the third internal optical lens 113C are fitted together to form an integral lens assembly, the fitting between the two can be selected by using a spacer or direct glue to connect, and then the lens The assembly is fixed in the inner space of the middle and bottom of the lens barrel part 13C, and can be fixed by welding or glue. The second internal optical lens 112C and the third internal optical lens 113C may be fixed to the lens barrel member 13C in a single piece.

It is worth mentioning that one or more of the internal optical lenses 11C may be selected as adjustable lenses, or the external optical lenses 12C may be pre-assembled at the bottom of the lens barrel part 13C at the same time, so that The assembly position of the external optical lens 12C is adjustable, and the external optical lens 12C is also adjusted as an adjustable lens in a subsequent process, and the camera module lens is calibrated by adjusting the assembly position of the adjustable lens For the optical center of 10C, fix the adjustable lens after calibration to improve the manufacturing yield.

The lens barrel component 13C has at least one adjustment channel 132C, the adjustment channel 132C is provided at the position of the lens barrel part 13C where the adjustable lens is installed. The position of the adjustment channel 132C in the preferred embodiment corresponds to the assembly position of the first internal optical lens 111C, The adjustment channel 132C communicates the internal space of the lens barrel component 13C with the external environment, so as to extend from the outside of the lens barrel component 13C through an external adjustment device to the adjustment channel 132C to contact the The first internal optical lens 111C adjusts the assembly position of the first internal optical lens 111C.

Preferably, in this preferred embodiment, four adjustment channels 132C are provided on the outer circumferential direction of the lens barrel component 13C, and each adjustment channel 132C is evenly distributed on the top of the lens barrel component 13C and the Corresponding to the first internal optical lens 111C, the adjustment channels 132C are separated from each other by 90°, so that the first internal optical lens 111C can be adjusted from different directions to ensure the accuracy of adjustment.

The lens barrel component 13C has at least one fixed channel 133C, which is provided on the top of the lens barrel component 13C and corresponds to the first internal optical lens 111C. After adjusting the first internal optical lens 111C, it is used A glue dispensing device fixes the first inner optical lens 111C through the fixing channel 133C. Preferably, this embodiment is implemented as four fixing channels 133C, which are spaced 90° from each other, and all correspond to the edges of the first internal optical lens 111C, so as to fix it from multiple places to ensure fixation Firmness. When the first internal optical lens 111C is fixed with glue, some glue may be injected into each of the fixing channels 133C, which is convenient for sealing the fixing channels 133C at the same time, preventing dust from entering, and preventing light leakage from the lens.

It is worth mentioning that the first inner optical lens 111C can also be fixed by injecting glue through the adjustment channel 132C, especially when the inner optical lens to be provided in the inner space at the middle or bottom of the lens barrel member 13C As an adjustable lens, it is usually used A corresponding adjustment channel is used to fix the adjustable lens, and some more glue is injected, and the adjustment channel is sealed at the same time.

When the external optical lens 12C is used as an adjustable lens, it can be directly adjusted by equipment, and then fixed by dispensing or fully curing the pre-assembly glue.

Further, a light blocking layer 121C is provided on the edge of the external optical lens 12C, wherein the light blocking layer 121C must completely cover the entire side of the external optical lens 12C to prevent light leakage of the camera module lens 10C, And prevent external stray light from entering the camera module lens 10C to ensure the imaging quality of the camera module lens 10C. Preferably, the light blocking layer 121 is provided by coating a black glue on the outside of the external optical lens 12, the black glue may be a thermosetting glue, and the light blocking layer 121C is formed after curing.

Referring to FIG. 9, the camera module including the above camera module lens 10C will be explained. As shown in FIG. 9, a camera module includes a camera module lens 10C and a photosensitive device 20C. The photosensitive device 20C includes a photosensitive chip 21C. The camera module lens 10C is disposed on the photosensitive chip 21C On the photosensitive path of the camera, when the light reflected by the object enters the camera module through the camera module lens 10C, it is received by the photosensitive chip 21C and undergoes photoelectric conversion, so that in the subsequent process, the camera module Able to obtain images related to objects.

The photosensitive device further includes a filter 22C, a circuit board 23C and a lens holder 24C, wherein the filter 22C is installed inside the lens holder 24C and is disposed above the photosensitive chip 21C , Wherein the photosensitive wafer 21C is mounted above the circuit board 23C, the circuit board 23C is installed at the bottom of the mirror holder 24C and the photosensitive wafer 21 is located in the cavity inside the mirror holder 24C In addition, the photosensitive wafer 21C and the lens holder 24C are kept at a distance, and the two are not in direct contact, that is, the photosensitive device 20C is manufactured by a COB (chip on board) process.

The external optical lens 12C is disposed between the lens barrel member 13C and the lens holder 24C, that is, the top of the external optical lens 12C is connected to the bottom of the lens barrel member 13C, and the external optical lens 12C The bottom of is connected to the top of the lens holder 24C, bears on the lens holder 24C, is supported by the lens holder 24C, and each of the inner optical lenses 11C and each of the outer optical lenses 12C are disposed on On the photosensitive path of the photosensitive chip 21C, wherein the first internal optical lens 111C serves as an adjustable lens of the camera module, its assembly position is adjusted relative to the assembly position of the photosensitive chip 21C. After adjustment, The central axis of the camera module lens 10C can coincide with the central axis of the photosensitive chip 21C or within a tolerance range to ensure the imaging quality of the camera module.

It is worth mentioning that, in the camera module, other inner optical lens 11C and the outer optical lens 12C can also be used as adjustable lenses to adjust the central axis of the camera module lens 10C. When the external optical lens 12C is an adjustable lens, the external optical lens 12C and the lens holder 24C need to be pre-assembled. The external optical lens 12C cannot be fixed to the lens holder 24C, which is relative to the mirror The assembly position of the seat 24C is adjustable.

Referring to FIG. 11, the assembly method of the camera module will be explained. The method 1100 for assembling the camera module includes the following steps: Step (1101): Install each of the internal optical lenses 11C in the internal space of the lens barrel component 13C, wherein at least one of the internal optical lenses 11C is used as a Adjust the lens for pre-assembly, its assembly position is adjusted, and fix the remaining internal optical lens 11 except the adjustable lens; Step (1102): Place the external optical lens 12C on the lens barrel part The external space at the bottom of 13C; Step (1103): the light blocking layer 121C is provided on the outside of the external optical lens 12C to complete the assembly of the camera module lens 10C; step (1104): pre-assemble the camera module lens 10C on the The photosensitive device 20C completes the pre-assembly of the camera module; step (1105): adjust the assembly position of the camera module lens 10C so that the camera module imaging meets the resolution requirements; and step (1106): The camera module lens 10C and the photosensitive device 20C are packaged to complete the assembly of the camera module.

The step (1101) to step (1103) are assembly steps of the camera module lens 10C.

In the step (1101), each of the internal optical lenses 11C except the adjustable lens may be fixed one by one in the internal space of the lens barrel member 13C one by one, or it may be fitted after After forming an integral lens assembly, it is fixed in the inner space of the lens barrel part 13C, wherein the first internal optical lens 111C is pre-assembled as an adjustable lens glue, and its assembly position is adjusted in a subsequent process .

In the step (1102) and the step (1103), when applying the black glue to the outer side of the external optical lens 12C to provide the light blocking layer 121C, the lens barrel member 13C and the Applying black glue at the junction of the external optical lens 12C can not only form the light blocking layer 121C, but also connect the external optical lens 12C to the lens barrel component 13C, reducing assembly steps, saving time and improving products Production efficiency, reduce costs. Of course, it is also possible to connect the external optical lens 12C and the lens barrel member 13C, and then coat the outer side of the external optical lens 12C with vinyl to set the light blocking layer 121C, and select according to the actual situation. Light barrier 121C can be installed before assembling the external optical lens 12C, or of course after assembly.

Further, the two can be connected together by applying glue on the top surface edge of the external optical lens 12C or applying glue on the bottom surface of the lens barrel component 13C, wherein the external optical lens 12C and the lens barrel The component 13C may be fixedly connected or not fixed, and the two are pre-assembled, using the external optical lens 12C as an adjustable lens, so that the assembly position of the lens barrel component 13C and the external optical lens 12C It is suitable to be adjusted in at least one direction in the subsequent process.

In the step (1104), glue the edge of the bottom surface of the external optical lens 12C or glue on the top surface of the lens holder 24C, between the outer optical lens 12C and the lens holder 24C Fixedly connected with glue, wherein the glue is preferably a thermosetting glue, or the two can be pre-assembled, so that the assembly position of the external optical lens 12C relative to the photosensitive wafer 21C is suitable for at least one Direction adjustment.

In the above steps, the glue for pre-assembly is suitable for selecting a mixture of UV glue and thermosetting glue for pre-assembly. The glue is semi-cured after UV exposure to achieve pre-assembly, and is completely cured by baking in the later stage. Then, the external optical lens 12C is fixed to the lens holder 24C and the lens barrel member 13C.

In the step (1105), the adjustment of the camera module lens 10C may be performed by adjusting the inner optical lens 11C, the outer optical lens 12C and/or the lens barrel part 13C as the adjustable lens To achieve, that is, adjust the optical path of the camera module lens 10C so that the central axis of the camera module lens 10C coincides with the central axis of the photosensitive chip 21C or is within the allowable range of deviation, thereby enabling the camera module The imaging meets the expected resolution requirements.

Specifically, in the above assembly method, the pre-assembly of the adjustable lens can be used to adjust the camera module lens in the following ways: (1) Adjust the assembly position of the lens barrel component 13C The camera module is calibrated, that is, each internal optical lens 11C fixed in its internal space and the pre-assembled adjustable lens are adjusted by adjusting the lens barrel component 13C, in other words, in this case , The external optical lens 12C is pre-assembled with the lens barrel component 13C and fixedly connected with the lens holder 24C; (2) adjust the alignment of the lens barrel component 13C and the external optical lens 12C respectively The camera module is calibrated. In this case, the external optical lens 12C is pre-assembled between the lens barrel component 13C and the lens holder 24C; (3) Adjust the lens barrel component 13C and The external optical lens 12C calibrates the camera module, that is, the camera module lens 10C is adjusted to calibrate the camera module. In other words, in this case, the external optical lens 12C and the The lens barrel component 13C is fixedly connected and pre-assembled with the lens holder 24C; (4) The assembly position of the adjustable lens is adjusted so that the center axis of the camera module lens 10C can be adjusted; 5) The adjustment of the adjustable lens is combined with the adjustment of the lens barrel component 13C and the external optical lens 12C in (1) to (3) above to calibrate the camera module.

The step (1105) includes the following steps: step (11051) energizes the pre-assembled camera module to collect the camera module image; step (11052) images the camera module and calculates the camera according to the optical method using software Adjustment method and adjustment amount of the module lens 10C; step (11053) quantitatively adjusts the assembly position of the camera module lens 10C according to the adjustment amount.

In the step (1106), after adjusting the pre-assembled camera module 10C, by passing between the external optical lens 12C and the lens barrel member 13C and between the external optical lens 12C and the lens holder Dispensing between 24C, such as thermosetting glue, and then curing to fix the pre-assembled external optical lens 12C, and through the adjustment channel 132C and / or the fixing channel 133C to fix as a Adjust the inner optical lens 11C of the lens to complete the assembly of the camera module.

In addition, the external optical lens 12C may be directly fixed between the lens barrel member 13C and the lens holder 24C. After fixing, no adjustment is possible, only by adjusting the internal optical lens 11C as an adjustable lens To calibrate the imaging of the camera module, and then fix it to complete the assembly of the camera module.

Those skilled in the art should understand that the embodiments of the present invention shown in the above description and drawings are only examples and do not limit the present invention. The object of the present invention has been completely and effectively achieved. The functions and structural principles of the present invention have been shown and described in the examples. Without departing from the principles, the embodiments of the present invention may have any variations or modifications.

10: Camera module lens

11: Internal optical lens

12: External optical lens

121: light blocking layer

Claims (26)

A method for assembling a camera module lens, characterized in that the method includes the following steps: (a) installing at least one internal optical lens in an inner space of a lens barrel component in a predetermined order; (b) installing at least one external optical lens The lens is installed in the outer space of the lens barrel component along the height direction of the lens barrel component; (c) A light blocking layer is provided on the outside of the external optical lens to complete the assembly of the camera module lens; ( d) Pre-assemble the camera module lens on the photosensitive path of a photosensitive chip; (e) Complete the pre-assembly of the camera module, wherein the camera module lens is adjusted relative to the photosensitive chip to meet The imaging resolution requirements of the camera module; and (f) packaging and fixing the camera module lens and the photosensitive chip to complete the assembly of the camera module. The method according to item 1 of the scope of the patent application, wherein in the step (a), the internal optical lenses are pre-fitted and assembled into a whole in a predetermined order, and then fixed to the lens barrel component Interior space. The method according to item 1 of the patent application scope, wherein in the step (a), each of the internal optical lenses is fixed to the internal space of the lens barrel member piece by piece in a predetermined order. The method according to item 1 of the patent application scope, wherein in the step (a), at least one piece of the internal optical lens is pre-assembled as the adjustable lens in the internal space of the lens barrel component, wherein The assembly position of the adjustable lens is adapted to be adjusted in at least one direction relative to the inner space of the lens barrel component. The method according to item 4 of the patent application scope, wherein in the above method, the lens barrel component is provided with at least one adjustment channel, and each of the adjustment channels communicates with the internal space and the external environment of the lens barrel component, and Corresponding to the adjustable lens, it is suitable to use an external adjustment device to contact the outside of the adjustable lens through the adjustment channel to adjust the assembly position of the adjustable lens, after adjustment, the camera module lens The central axis of is coincident with the central axis of the photosensitive wafer or is within the range allowed by the deviation. The method according to item 5 of the patent application scope, wherein in the above method, a glue device is used to inject glue through the adjustment channel to fix the adjustable lens to the inner wall of the lens barrel component while being sealed The adjustment channel. The method according to item 5 of the patent application scope, wherein in the above method, when the first internal optical lens as the adjustable lens is arranged in the internal space at the top of the barrel part, the mirror The top of the barrel member is provided with at least one fixed channel, wherein the fixed channel corresponds to the edge of the adjustable lens, connects the edge of the adjustable lens with the external environment, and is suitable for injection through the fixed channel Glue to fix the adjustable lens. The method according to any one of items 1 to 7 of the patent application scope, wherein in the step (b) and the step (d), the external optical lens is fixed to the barrel member and a Between the lens holders, where the two are fixedly connected by coating glue on the top surface edge of the external optical lens or the bottom surface of the lens barrel component, and through the bottom surface edge of the external optical lens or the mirror The top surface of the seat is coated with glue to make the two fixedly connected. The method according to any one of items 1 to 7 of the patent application scope, wherein in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens Between the lens barrel part and a lens holder, pre-assembly between the two is performed by applying glue to the top surface edge of the external optical lens or the bottom surface of the lens barrel part, and passing the external optical lens The bottom surface edge of the bottom surface or the top surface of the lens holder is coated with glue for pre-assembly between the two, wherein the assembly positions of the external optical lens and the lens barrel component relative to the photosensitive wafer are both suitable for being carried out at least One-way adjustment. The method according to any one of items 1 to 7 of the patent application scope, wherein in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens Between the lens barrel part and a lens holder, the glue is applied to the top surface edge of the external optical lens or the bottom surface of the lens barrel part to fix the two, and through the bottom of the external optical lens The surface edge or the top surface of the lens holder is coated with glue for pre-assembly between the two, wherein the assembly position of the camera module lens relative to the photosensitive wafer is suitable for being adjusted in at least one direction. The method according to any one of items 1 to 7 of the patent application scope, wherein in the step (b) and the step (d), the external optical lens is pre-assembled as an adjustable lens Between the lens barrel part and a lens holder, pre-assembly between the two is performed by applying glue to the top surface edge of the external optical lens or the bottom surface of the lens barrel part, and passing the external optical lens The bottom surface edge of the bottom surface or the top surface of the lens holder is coated with glue to fix the two, wherein the assembly position of the lens barrel component relative to the photosensitive wafer is suitable for being adjusted in at least one direction. The method according to any one of items 1 to 7 of the patent application scope, wherein the step (e) includes the following steps: (e1) energizing the pre-assembled camera module to collect the camera module Imaging; (e2) calculating the adjustment method and adjustment amount of the adjustable lens according to the imaging adjustment of the camera module; and (e3) adjusting the adjustable lens according to the adjustment amount so that the imaging of the camera module satisfies the resolution Claim. The method according to item 9 of the patent application scope, wherein the step (e) includes the following steps: (e1) energizing the pre-assembled camera module to collect the camera module image; (e2) according to the camera The module imaging adjustment calculates the adjustment method and adjustment amount of the adjustable lens; and (e3) adjusts the adjustable lens according to the adjustment amount so that the imaging of the camera module meets the resolution requirements. The method according to item 10 of the patent application scope, wherein the step (e) includes the following steps: (e1) energizing the pre-assembled camera module to collect the camera module image; (e2) according to the camera The module imaging adjustment calculates the adjustment method and adjustment amount of the adjustable lens; And (e3) adjust the adjustable lens according to the adjustment amount, so that the imaging of the camera module meets the resolution requirements. The method according to item 12 of the patent application scope, wherein in the step (f), the adjustable lens is glued and fixed to complete the assembly of the camera module. The method according to item 13 of the patent application scope, wherein in the step (f), the adjustable lens is glued and fixed to complete the assembly of the camera module. The method according to item 14 of the patent application scope, wherein in the step (f), the adjustable lens is glued and fixed to complete the assembly of the camera module. The method according to any one of items 1 to 7 of the patent application range, wherein in the step (c), it is suitable to perform the setting of the light blocking layer before or after assembling the external optical lens. The method according to item 13 of the patent application scope, wherein in the step (c), it is suitable to set the light blocking layer before or after assembling the external optical lens. The method according to item 14 of the patent application scope, wherein in the step (c), it is suitable to set the light blocking layer before or after assembling the external optical lens. The method according to item 18 of the patent application scope, wherein in the step (c), the light blocking layer is formed by coating black glue on the outside of each of the external optical lenses, and the light blocking layer completely covers the Said the entire side of the external optical lens. The method according to item 19 of the patent application scope, wherein in the step (c), the light blocking layer is formed by coating black glue on the outside of each of the external optical lenses, and the light blocking layer completely covers the Said the entire side of the external optical lens. The method according to item 20 of the patent application scope, wherein in the step (c), the light blocking layer is formed by coating black glue on the outside of each of the external optical lenses, and the light blocking layer completely covers the Said the entire side of the external optical lens. The method according to any one of items 1 to 7 of the patent application scope, wherein a photosensitive device of the camera module adopts a COB process, wherein the photosensitive chip is mounted on a circuit board, and the circuit The plate is installed at the bottom of a mirror base and the photosensitive wafer is located in a cavity inside the mirror base, and a distance is maintained between the photosensitive wafer and the mirror base. The method according to any one of items 1 to 7 of the patent application range, wherein a photosensitive device of the camera module adopts a flip chip process, wherein the photosensitive chip is located at the bottom of a mirror base and directly The mirror base is connected, and the photosensitive chip maintains a distance from a circuit board. The method according to item 25 of the patent application scope, wherein the lens holder has an electrical function.

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