WO2021196493A1

WO2021196493A1 - Light filtering assembly, camera module and electronic device

Info

Publication number: WO2021196493A1
Application number: PCT/CN2020/108347
Authority: WO
Inventors: 马忠科; 陈小凤; 周圣
Original assignee: 南昌欧菲光电技术有限公司
Priority date: 2020-04-01
Filing date: 2020-08-11
Publication date: 2021-10-07
Also published as: CN212211124U

Abstract

Disclosed in the present disclosure are a light filtering assembly (100), a camera module and an electronic device. The light filtering assembly (100) comprises: a light filter (1), which comprises two first side faces (14) opposite each other and two second side faces (15) opposite each other; and a first supporting body (2) and a second supporting body (3). The first supporting body (2) and the second supporting body (3) are arranged on the two opposite first side faces (14) of the light filter (1) respectively, and are bonded and fixed to the two first side faces (14) respectively. Two gold wire avoidance areas (13) are formed between the first supporting body (2) and the second supporting body (3), and the two gold wire avoidance areas (13) are located on the two second side faces (15) respectively.

Description

Filter components and camera modules, electronic equipment

Technical field

The present disclosure relates to the field of camera technology, in particular to a filter assembly, a camera module, an imaging device, and electronic equipment.

Background technique

In the camera module manufacturing process, in order to obtain a smaller package height, it is necessary to minimize the distance between the infrared filter and the image sensor.

In the related art, since the ring support frame supporting the infrared filter cannot avoid the gold wire, it needs to reserve a space for the gold wire in the direction of the optical axis, so the minimum distance from the infrared filter to the image sensor cannot be obtained. As a result, the size of the filter assembly is too large, and a miniaturized design cannot be realized.

Summary of the invention

The present disclosure aims to solve at least one of the technical problems existing in the prior art. To this end, an objective of the present disclosure is to provide a filter assembly that can obtain a smaller filter surface size, reduce the distance from the filter to the image sensor, and thereby reduce the overall size of the filter assembly.

Another objective of the present disclosure is to provide a camera module with the above-mentioned filter assembly.

Another objective of the present disclosure is to provide an electronic device with the above-mentioned camera module.

A filter assembly according to an embodiment of the first aspect of the present disclosure includes: a filter, the filter includes two first side surfaces opposite to each other and two second side surfaces opposite to each other; a first support body and a second side surface. Two supporting bodies, the first supporting body and the second supporting body are respectively provided on the two first side surfaces of the filter which are opposite to each other, and the first supporting body and the second supporting body The body is respectively bonded and fixed to the two first side surfaces, two gold wire avoiding areas are formed between the first support body and the second support body, and the two gold wire avoiding areas are located in two places respectively. Mentioned at the second side.

According to the filter assembly of the embodiment of the present disclosure, the filter includes two first side surfaces opposite to each other and two second side surfaces opposite to each other, and the first support body and the second support body are respectively bonded to the two first side surfaces Fixed, two gold wire avoidance areas are formed between the first support body and the second support body, which can play a certain function of avoiding gold wires and components, and at the same time enable the filter assembly to obtain a smaller filter surface size, and then The size of electronic equipment can be reduced, and a miniaturized design can be realized.

According to some embodiments of the present disclosure, both of the first side surfaces are first bonding surfaces, and side surfaces of the first support body and the second support body facing each other have a second bonding surface; The first support body and the second support body each include a plurality of sub-support body segments, and the plurality of sub-support body segments are spaced apart from each other along the length direction of the corresponding first side surface, and a plurality of the sub-supports The side surfaces of the body segment facing the first bonding surface jointly constitute the second bonding surface. As a result, materials can be saved and costs can be reduced.

According to some embodiments of the present disclosure, both the first support body and the second support body are elongated. This arrangement can effectively ensure that the filter can be firmly bonded to the first support and the second support, which improves the stability of the filter. At the same time, the processing of the first support and the second support is simple, and the filter is improved. The production efficiency of the components.

According to some embodiments of the present disclosure, both ends of the first support and the second support respectively extend beyond the second side surface of the filter. As a result, the bonding area between the first support body and the second support body and the filter is increased, and the reliability of bonding can be effectively improved.

According to some embodiments of the present disclosure, both of the first side surfaces are first bonding surfaces, and the side surfaces of the first support body and the second support body facing each other are localized to the second bonding surface , The image side or the object side of the filter has a third bonding surface; at least one of the first support and the second support includes a first support and a second support that are connected to each other Portion, the first support portion is provided on the first side surface of the filter, the first support portion has the second adhesive surface, and the second support portion is located on the side of the filter On one side along the optical axis direction, the second support portion has a fourth bonding surface, the second bonding surface is bonded and fixed to the first bonding surface, and the fourth bonding surface is connected to the first bonding surface. The third bonding surface is bonded and fixed. As a result, the adhesion strength between the first support body and the second support body and the filter is further improved, and at the same time, the height of the optical axis of the filter assembly can be effectively reduced.

According to some embodiments of the present disclosure, both of the first side surfaces are first bonding surfaces, and side surfaces of the first support body and the second support body facing each other have a second bonding surface; At least one of the first support and the second support includes a first support, a second support, and a third support. The first support is provided on the filter. On the first side surface, the first support portion has the second adhesive surface, the second support portion and the third support portion are respectively located on both sides of the filter along the optical axis direction, the An installation groove is defined between the first support portion, the second support portion and the third support portion, and the edge of the filter is adhesively fixed in the installation groove. As a result, the adhesion strength of the first support body and the second support body and the filter is effectively ensured, and the height of the filter assembly along the optical axis direction is reduced, thereby reducing the size of the electronic device and realizing a miniaturized design .

According to some embodiments of the present disclosure, at least one surface of the object side or the image side of the filter is provided with an anti-adhesive layer. By providing a resist layer on the filter, the filter can be prevented from being contaminated during the bonding and fixing process of the first support and the second support, thereby ensuring the optical performance of the filter.

According to some embodiments of the present disclosure, the resist layer is at least provided at the edge of the filter adjacent to the first support and the second support. It not only prevents the filter from being contaminated during the bonding and fixing process of the first support body and the second support body, ensures the optical performance of the filter, but also saves the material of the glue resist layer and reduces the cost.

According to some embodiments of the present disclosure, the anti-glue layer is a ring-shaped anti-glue layer extending along the circumferential direction of the filter. As a result, it is possible to more comprehensively and effectively prevent the filter from being contaminated during the cementing and fixing process of the first support and the second support, and further ensure the optical performance of the filter.

According to some embodiments of the present disclosure, the resist layer is an ink silk screen layer. By setting the ink silk screen, the reflection of light can be blocked when light passes through the filter, so as to avoid stray light on the filter assembly. In addition, the ink silk screen layer can also block the adhesive when bonding and fixing the filter, avoiding the adhesive from contaminating the filter, and thereby avoiding the performance of the filter from degrading.

According to some embodiments of the present disclosure, the sides of the first support and the second support facing the filter have a draft angle α, where the α satisfies: 0°<α<180°. By setting the draft angle α on the first support and the second support, the bonding strength between the first support and the second support and the filter is enhanced, and the overall stability of the filter assembly is improved.

According to some embodiments of the present disclosure, the distance along the optical axis direction of the first support body and the second support body is greater than the distance along the optical axis direction of the filter. As a result, the strength of the first support and the second support, and the bonding strength between the first support and the second support and the filter are effectively ensured, and the first support and the second support are easy to Injection molding.

A camera module according to an embodiment of the second aspect of the present disclosure includes: an image sensor, a filter component, the filter component is the filter component according to the embodiment of the first aspect of the present disclosure, and the image side of the filter Attached to the image sensor.

According to the camera module of the embodiment of the present disclosure, the overall performance of the camera module can be improved by using the above-mentioned filter assembly. The image sensor is directly attached to the filter, which avoids the capillary phenomenon of the glue during the glue dispensing operation. The image sensor and filter are contaminated.

According to some embodiments of the present disclosure, a circuit board is provided on a side of the image sensor away from the filter, the image sensor is connected to the circuit board through a gold wire, and the gold wire is placed on the gold wire. Line avoidance area. Therefore, by placing the gold wire in the gold wire avoiding area, it can play a certain function of avoiding the gold wire and components, and can obtain a smaller height along the optical axis, thereby further reducing the overall filter assembly. size.

According to some embodiments of the present disclosure, the gaps between the filter, the first support, the second support, the image sensor, and the circuit board are filled with fillers. Effectively ensure the stability of the fixation between the filter, the first support, the second support, the image sensor, and the circuit board, and avoid the filter, the first support, the second support, the image sensor, and the circuit board. Relative sliding occurs during use.

According to some embodiments of the present disclosure, the filter, the first support, the second support, the image sensor, the circuit board, and the filler are covered with a packaging body. The filter, the first support body, the second support body, the image sensor, the circuit board and the filler are integrated into a whole by setting the package body, which facilitates the installation of the entire package body in the camera module. After the first support body and the second support body are packaged, the redundant parts of the first support body and the second support body can be cut, thereby reducing the size and quality of the filter assembly, and facilitating the miniaturization and light weight of the filter assembly design.

According to some embodiments of the present disclosure, the gold wire is coated with a gold wire protective glue. Therefore, the stability of the fixing of the gold wire and the integrity of the gold wire are protected, and the gold wire is prevented from being damaged during installation and use.

According to some embodiments of the present disclosure, the gold wire protective glue is provided on the edge of the side surface of the image sensor facing the filter, and the gold wire protective glue and the second part of the filter Side bonding; and/or the gold wire protective glue is arranged on the edge of the surface of the circuit board facing the filter, and the gold wire protective glue is glued to the side surface of the image sensor. Avoid damage to the gold wire during installation and use.

According to some embodiments of the present disclosure, the first support body and the second support body are adhesively connected to the circuit board. Therefore, the operation is simple, and the adhesion stability between the first support body and the second support body and the circuit board is ensured.

According to some embodiments of the present disclosure, an optical element is provided between the first support and the second support, and the optical element is located on the object side or the image side of the filter. The optical function of the filter assembly can be increased, avoiding the single function of the filter assembly, and improving the application range of the filter assembly.

According to some embodiments of the present disclosure, the optical element is a lens or a displacement grating ruler. By setting the lens and the displacement grating ruler, the filter assembly can have the optical functions of the lens and the displacement grating ruler, increase the optical function of the filter assembly, and improve the application range of the filter assembly.

The electronic device according to the embodiment of the third aspect of the present disclosure includes the camera module according to the embodiment of the second aspect of the present disclosure.

According to the electronic device of the embodiment of the present disclosure, the overall performance of the electronic device can be improved by adopting the above-mentioned camera module.

The additional aspects and advantages of the present disclosure will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present disclosure.

Description of the drawings

The above and/or additional aspects and advantages of the present disclosure will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Fig. 1 is a schematic diagram of a filter assembly according to an embodiment of the present disclosure;

Figure 2 is a cross-sectional view along the line A-A in Figure 1;

Fig. 3 is an enlarged view of part B circled in Fig. 2;

4 is a partial enlarged view of the bracket and the filter of another embodiment of the filter assembly shown in FIG. 1;

Fig. 5 is a schematic diagram of a filter assembly according to another embodiment of the present disclosure;

Figure 6 is a cross-sectional view taken along line C-C in Figure 5;

Fig. 7 is an enlarged view of part D circled in Fig. 5;

FIG. 8 is a partial enlarged view of a bracket and a filter of another embodiment of the filter assembly shown in FIG. 5;

Fig. 9 is a schematic diagram of a filter assembly and an optical element according to an embodiment of the present disclosure;

Figure 10 is a cross-sectional view taken along line E-E in Figure 9;

Fig. 11 is an enlarged view of part F circled in Fig. 10;

12 is a schematic diagram of the gap between the filter assembly, the circuit board and the image sensor shown in FIG. 1 being filled with fillers;

Figure 13 is a cross-sectional view taken along line H-H in Figure 12;

Figure 14 is a cross-sectional view taken along the line I-I in Figure 12;

15 is a schematic diagram of another manner in which the gaps between the filter assembly, the circuit board and the image sensor shown in FIG. 1 are filled with fillers;

Figure 16 is a cross-sectional view taken along line J-J in Figure 15;

FIG. 17 is a schematic diagram of another manner in which the gap between the filter assembly, the circuit board and the image sensor shown in FIG. 1 is filled with fillers;

Fig. 18 is a sectional view taken along the line K-K in Fig. 17;

Reference signs:

100: filter component;

1: filter; 11: first bonding surface; 12: third bonding surface; 13: gold wire avoidance area;

14: the first side; 15: the second side;

2: The first support body; 21: the second bonding surface; 22: the installation groove;

3: second support body; 31: first support body part; 32: second support body part;

321: the fourth bonding surface; 33: the third support part;

4: Anti-glue layer; 5: Image sensor; 6: Circuit board; 7: Gold wire; 8: Filler;

9: gold wire protective glue; 10: optical components; 11: components.

Detailed ways

The embodiments of the present disclosure are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary, and the embodiments of the present disclosure are described in detail below.

Hereinafter, the filter assembly 100 according to an embodiment of the present disclosure will be described with reference to FIGS. 1 to 18.

As shown in FIGS. 1 and 2, the filter assembly 100 according to the embodiment of the first aspect of the present disclosure includes a filter 1, a first support 2 and a second support 3.

Specifically, the filter 1 includes two first side surfaces 14 opposite to each other and two second side surfaces 15 opposite to each other. The first side surface 14, and the first support body 2 and the second support body 3 are respectively bonded and fixed to the two first side surfaces 14, and two gold wire avoidance areas 13 are formed between the first support body 2 and the second support body 3 , The two gold wire avoidance areas 13 are located at the two second side faces 15 respectively.

For example, in the example of FIG. 1 and FIG. 2, the filter 1 may be an infrared filter, and the infrared filter may filter out a part of light, so that the infrared filter will transmit visible light and filter infrared light. Of course, the filter 1 can also be other types of filters, such as blue glass, and is not limited to infrared filters. The two sides facing the first support 2 and the second support 3 between the object side and the image side of the filter 1 are the first side 14, and the first support 2 and the second support 3 are respectively located in the filter On the two first side surfaces 14 on the filter surface of the light sheet 1, the first support body 2 and the second support body 3 are adhesively fixed on the two first side surfaces 14 respectively. Therefore, compared with the traditional way of adhering the support body to the upper surface or the lower surface of the infrared filter, the first support body 2 and the second support body 3 and the two first side surfaces 14 of the filter 1 The adhesive fixation can effectively reduce the size of the filter assembly 100 along the optical axis. In addition, after the filter assembly 100 is assembled, part of the first support body 2 and the second support body 3 can be cut off, so that the filter assembly 100 can obtain a smaller filter surface size, thereby reducing the size of the electronic device. Size, realize miniaturization design. The gold wire avoidance area 13 is staggered from the first support body 2 and the second support body 3. The gold wire avoidance area 13 is located between the first support body 2 and the second support body 3. The first supporting body 2 and the second supporting body 3 are arranged at intervals, which can play a function of avoiding the gold wire 7 and the components 11 to a certain extent. Among them, an adhesive can be used for bonding during the bonding process, but it is not limited to this.

According to some embodiments of the present disclosure, the two first side surfaces 14 are both the first bonding surface 11, and the side surfaces of the first support body 2 and the second support body 3 facing each other have a second bonding surface 21, such as As shown in Figures 1 and 2, the side surface of the first support body 2 adjacent to the filter 1 is the second adhesive surface 21, and the side surface of the second support body 3 adjacent to the filter 1 is the second adhesive surface. The junction surface 21, the first adhesive surface 11 and the second adhesive surface 21 are adhesively fixed. The first support body 2 and the second support body 3 each include a plurality of sub-support body segments (not shown in the figure), and the plurality of sub-support body segments are arranged at intervals along the length direction corresponding to the first side surface 14, and the plurality of sub-support body segments face The side surfaces of the first bonding surface 11 jointly constitute the second bonding surface 21. For example, a plurality of sub-support body segments may be spaced apart from each other along a side surface in the length direction corresponding to the first side surface 14, and the side surfaces of the plurality of sub-support body segments facing the first bonding surface 11 together constitute the second bonding surface 21. As a result, materials can be saved and costs can be reduced.

In some optional embodiments, as shown in FIGS. 1 and 5, both the first support body 2 and the second support body 3 are elongated. This arrangement can effectively ensure that the filter 1 can be firmly bonded to the first support 2 and the second support 3, which improves the stability of the filter 1. At the same time, the first support 2 and the second support 3 are processed It is simple and improves the production efficiency of the filter assembly 100.

In some optional embodiments, as shown in FIGS. 1 and 5, both ends of the first support 2 and the second support 3 (for example, the two ends in the direction of the filter surface in FIG. 1) respectively extend to Beyond the corresponding second side 15 of the filter 1. As a result, the bonding area between the first support body 2 and the second support body 3 and the filter 1 is increased, and the reliability of bonding can be effectively improved.

According to some embodiments of the present disclosure, referring to FIG. 1 in conjunction with FIGS. 3 and 4, the two first side surfaces 14 are both the first bonding surfaces 11, and the first support body 2 and the second support body 3 face each other. The side surface has a second adhesive surface 21, the image or object side of the filter 1 has a third adhesive surface 12, and at least one of the first support 2 and the second support 3 includes The first support portion 31 and the second support portion 32 are connected to each other. The first support portion 31 is provided on the first side surface 14 of the filter 1, the first support portion 31 has a second bonding surface 21, and the second support portion 32 Located on one side of the optical filter 1 along the optical axis direction, the second support portion 32 has a fourth bonding surface 321.

Among them, the second adhesive surface 21 is adhesively fixed to the first adhesive surface 11, and the fourth adhesive surface 321 is adhesively fixed to the third adhesive surface 12.

When the first supporting body 2 and the second supporting body 3 include the first supporting portion 31, the side of the first supporting portion 31 adjacent to the filter 1 is the second bonding surface 21, and the second bonding surface 21 is connected to the first supporting portion 31. The bonding surface 11 is bonded and fixed.

In some optional embodiments, the two first side surfaces 14 are both the first bonding surface 11, and the side surfaces of the first support body 2 and the second support body 3 facing each other have a second bonding surface 21, At least one of the first support body 2 and the second support body 3 includes a first support portion 31, a second support portion 32, and a third support portion 33. The first support portion 31 is provided on the first side surface of the filter 1. 14. The first support portion 31 has a second bonding surface 21. The second support portion 32 and the third support portion 33 are respectively located on both sides of the filter 1 along the optical axis direction. The first support portion 31 and the second support portion A mounting groove 22 is defined between the portion 32 and the third supporting portion 33, and the edge of the filter 1 is glued and fixed in the mounting groove 22.

6 and in conjunction with FIGS. 7 and 8, the second support portion 32 and the third support portion 33 are respectively located on both sides of the filter 1 along the optical axis direction, and the first support portion 31 is located at the second support portion 32 and the second support portion 32 and the second support portion 33. The installation groove 22 is defined between the three supporting parts 33, and between the first supporting part 31, the second supporting part 32 and the third supporting part 33 facing the filter. The edge is located in the mounting groove 22, and the first support portion 31, the second support portion 32, and the third support portion 33 can all be bonded and fixed to the filter 1, thereby effectively ensuring that the first support body 2 and the second support portion 2 The bonding strength between the two support bodies 3 and the filter 1 reduces the height of the filter assembly 100 along the optical axis direction, thereby reducing the size of the electronic device and realizing a miniaturized design.

According to some embodiments of the present disclosure, at least one surface of the object side or the image side of the filter 1 is provided with an anti-glue layer 4. For example, the resist layer 4 (not shown in the figure) may be provided on only the object side of the filter 1, or the resist layer 4 (not shown in the figure) is provided on the image side of the filter 1, or the filter Both the object side and the image side of the sheet 1 are provided with a resist layer 4 (for example, as shown in Figs. 3 and 7). By disposing the resist layer 4 on the filter 1, it is possible to prevent the filter 1 from being contaminated during the bonding and fixing process of the first support 2 and the second support 3, thereby ensuring the optical performance of the filter 1.

Further, the adhesive resist layer 4 is at least provided on the edge of the filter 1 adjacent to the first support 2 and the second support 3. For example, as shown in Figures 1 and 5, the adhesive layer 4 is provided on the edge of the filter 1 adjacent to the first support 2 and the second support 3, which prevents the filter 1 from being placed on the first support 2 and The second support body 3 is contaminated during the bonding and fixing process, which ensures the optical performance of the filter 1, saves the material of the adhesive layer 4, and reduces the cost.

In some optional embodiments, as shown in FIGS. 1 and 5, the glue resist layer 4 is an annular glue resist layer extending along the circumferential direction of the filter 1. Therefore, it is possible to more comprehensively and effectively prevent the filter 1 from being contaminated during the cementing and fixing process of the first support 2 and the second support 3, and further ensure the optical performance of the filter 1.

In some optional embodiments, the adhesive barrier layer 4 is an ink silk screen layer. The material of the ink screen printing can be ink or other adhesives, but it is not limited to this. By setting the ink silk screen, when light passes through the filter 1, the reflection of light can be blocked, thereby avoiding the generation of stray light on the filter assembly 100. In addition, the ink silk screen layer can also block the adhesive when adhering and fixing the filter 1 to prevent the adhesive from contaminating the filter 1, thereby preventing the performance of the filter 1 from degrading.

According to some embodiments of the present disclosure, as shown in FIGS. 4 and 8, the sides of the first support 2 and the second support 3 facing the filter 1 have a draft angle α, where α satisfies: 0°<α ＜180°. Therefore, by setting the draft angle α on the first support body 2 and the second support body 3, it is convenient for the first support body 2 and the second support body 3 to be separated from the mold after being processed and formed.

According to some embodiments of the present disclosure, as shown in FIGS. 2 and 6, the thickness of the first support body 2 and the second support body 3 along the optical axis direction is greater than the thickness of the filter 1 along the optical axis direction. As a result, the strength of the first support body 2 and the second support body 3, and the bonding strength between the first support body 2 and the second support body 3 and the filter 1 are effectively ensured, and the first support body is easy to 2 and injection molding of the second support 3.

The camera module according to the embodiment of the second aspect of the present disclosure includes a filter assembly 100 and an image sensor 5. The filter assembly 100 is the filter assembly 100 according to the embodiment of the first aspect of the present disclosure, and the image side of the filter 1 Attached to the image sensor 5. As shown in FIG. 14, by adopting the above-mentioned filter assembly 100, the overall performance of the camera module can be improved. The image sensor 5 is attached to the image side of the filter 1. Compared with the traditional image sensor 5 which is pasted on the filter 1 by dispensing glue, the photosensitive surface of the image sensor 5 is directly attached to the filter 1. Above, there is no gap between the image sensor 5 and the optical filter 1, thereby avoiding the capillary phenomenon of the glue during the glue dispensing operation, causing the image sensor 5 and the optical filter 1 to be contaminated.

According to some embodiments of the present disclosure, as shown in FIGS. 12 and 14, the side of the image sensor 5 far away from the filter 1 (for example, the lower surface of FIG. 14) is provided with a circuit board 6, and the image sensor 5 passes through a gold wire. 7 is connected to the circuit board 6, and the gold wire 7 is opposite to the gold wire avoiding area 13. Since there is a gap between the gold wire avoiding area 13 and the first support body 2 and the second support body 3, it plays a role in avoiding the gold wire 7 and prevents the gold wire 7 from being damaged due to the small space during the installation process. .

Further, as shown in FIGS. 12 to 18, the gap between the filter 1, the first support body 2, the second support body 3, the image sensor 5, and the circuit board 6 is filled with a filler 8. This arrangement effectively ensures the stability of the fixation between the filter 1, the first support 2, the second support 3, the image sensor 5, and the circuit board 6, and avoids the filter 1, the first support 2, the second support The two supporting bodies 3, the image sensor 5, and the circuit board 6 slide relatively during use.

Further, the filter 1, the first supporting body 2, the second supporting body 3, the image sensor 5, the circuit board 6 and the filler 8 are covered with a packaging body (not shown in the figure). Thus, the filter 1, the first support 2, the second support 3, the image sensor 5, the circuit board 6 and the filler 8 are integrated into a whole by arranging the package body, which facilitates the integration of the entire structure in the camera module Install. In addition, after the first support body 2 and the second support body 3 are packaged, the redundant parts of the first support body 2 and the second support body 3 can be cut, thereby reducing the size and quality of the filter assembly 100 and facilitating filtering The optical module 100 has a miniaturized and lightweight design.

In some alternative embodiments, as shown in FIGS. 13, 16 and 18, the gold wire 7 is coated with a gold wire protective glue 9, thereby protecting the stability of the fixing of the gold wire 7 and the stability of the gold wire 7 Integrity, to prevent the gold wire 7 from being damaged during installation and use.

In some optional embodiments, as shown in FIG. 12 and FIG. 13, the gold wire protective glue 9 is provided on the edge of the surface of the image sensor 5 facing the filter 1, and the gold wire protective glue 9 and the filter 1 The second side 15 is attached, as shown in Figures 15 and 16, the gold wire protective glue 9 is provided on the edge of the surface of the circuit board 6 facing the filter 1, and the gold wire protective glue 9 is on the side of the image sensor 5. Bonding, as shown in Figures 17 and 18, the gold wire protective glue 9 is provided on the side of the circuit board 6 facing the filter 1 and is attached to the gold wire avoiding area 13, thereby preventing the gold wire 7 from being in Damaged during installation and use.

According to some embodiments of the present disclosure, the first support body 2 and the second support body 3 are adhesively connected to the circuit board 6. The first support body 2 and the second support body 3 can be adhered to the circuit board 6 by using an adhesive, which is simple to operate and ensures the connection between the first support body 2 and the second support body 3 and the circuit board 6 Bonding stability.

According to some embodiments of the present disclosure, as shown in FIGS. 9-11, an optical element 10 is provided between the first support 2 and the second support 3, and the optical element 10 is located on the object side or the image side of the filter 1. . By disposing the optical element 10 between the first supporting body 2 and the second supporting body 3, and disposing the optical element 10 on the object side or the image side of the filter 1, the optical function of the filter assembly 100 can be increased and avoid The function of the filter assembly 100 is single, and the application range of the filter assembly 100 is improved.

In some optional embodiments, the optical element 10 is a lens or a displacement grating ruler, but it is not limited thereto. By providing the lens and the displacement grating ruler, the filter 1 assembly can have the optical functions of the lens and the displacement grating ruler, increase the optical function of the filter assembly 100, and improve the application range of the filter assembly 100.

Alternatively, the electronic device may be any of various types of computer system devices that are mobile or portable and perform wireless communication. Specifically, the electronic device may be a mobile phone or a smart phone (for example, a phone based on iPhoneTM, AndroidTM based), a portable game device (for example, Nintendo DSTM, Play Station PortableTM, Game-boy AdvanceTM, iPhoneTM), Laptops, PDAs, portable Internet devices, music players, and data storage devices, other handheld devices, such as watches, earphones, pendants, headsets, etc., electronic devices can also be other wearable devices (such as , Head-mounted devices (HMD) such as electronic glasses, electronic clothes, electronic bracelets, electronic necklaces, electronic tattoos or smart watches).

Optionally, the electronic device may also be any one of multiple electronic devices, including but not limited to cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, Music recorders, video recorders, cameras, other media recorders, radios, medical equipment, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, personal digital assistants (PDAs) ), portable multimedia players (PMP), moving picture experts group (MPEG-1 or MPEG-2) audio layer (MP3) players, portable medical equipment, digital cameras and combinations thereof. In some cases, electronic devices can perform multiple functions (for example, playing music, displaying videos, storing pictures, and receiving and sending phone calls). If desired, the electronic device may be a portable device such as a cell phone, media player, other handheld device, wrist watch device, pendant device, earpiece device, or other compact portable device.

The other configurations and operations of any one or any of any one of multiple electronic devices of various types of computer system devices, such as mobile or portable and performing wireless communication, according to embodiments of the present disclosure, are very important to those of ordinary skill in the art. The language is known and will not be described in detail here.

Other configurations and operations of the electronic device according to the embodiments of the present disclosure are known to those of ordinary skill in the art, and will not be described in detail here.

In the description of the present disclosure, it should be understood that the terms "length", "thickness", "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the drawings. The orientation or positional relationship is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure .

In the description of the present disclosure, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, they can be fixed or detachable. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present disclosure can be understood in specific situations.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", etc. mean that specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in the present disclosure. In at least one embodiment or example. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example.

Although the embodiments of the present disclosure have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and modifications can be made to these embodiments without departing from the principle and purpose of the present disclosure. The scope of the present disclosure is defined by the claims and their equivalents.

Claims

A filter assembly, characterized in that it comprises:

A filter, the filter comprising two first side surfaces opposite to each other and two second side surfaces opposite to each other;

A first support body and a second support body, the first support body and the second support body are respectively provided on the two first side surfaces of the filter, and the first support body and the The second support body is respectively adhesively fixed to the two first side surfaces, two gold wire avoidance areas are formed between the first support body and the second support body, and the two gold wire avoidance areas are respectively located at At two of the second sides.
The filter assembly according to claim 1, wherein the two first side surfaces are both first adhesive surfaces, and side surfaces of the first support body and the second support body facing each other Having a second bonding surface;

The first support body and the second support body each include a plurality of sub-support body segments, and the plurality of sub-support body segments are spaced apart from each other along the length direction of the corresponding first side surface, and a plurality of the sub-supports The side surfaces of the body segment facing the first bonding surface jointly constitute the second bonding surface.
The filter assembly according to claim 1 or 2, wherein the first support body and the second support body are both elongated.
The filter assembly according to any one of claims 1 to 3, wherein both ends of the first support body and the second support body respectively extend beyond the second side surface of the filter. .
The filter assembly according to claim 1, wherein the two first side surfaces are both first adhesive surfaces, and side surfaces of the first support body and the second support body facing each other Having a second adhesive surface, and the image side or the object side of the filter has a third adhesive surface;

At least one of the first support and the second support includes a first support and a second support that are connected to each other, and the first support is provided on the first side surface of the filter The first support portion has the second adhesive surface, the second support portion is located on one side of the filter along the optical axis direction, and the second support portion has a fourth adhesive surface,

The second adhesive surface is adhesively fixed to the first adhesive surface, and the fourth adhesive surface is adhesively fixed to the third adhesive surface.
The filter assembly according to claim 1, wherein the two first side surfaces are both first adhesive surfaces, and side surfaces of the first support body and the second support body facing each other Having a second bonding surface;

At least one of the first support and the second support includes a first support, a second support, and a third support. The first support is provided on the filter. On the first side surface, the first support portion has the second adhesive surface, the second support portion and the third support portion are respectively located on both sides of the filter along the optical axis direction, the An installation groove is defined between the first support portion, the second support portion and the third support portion, and the edge of the filter is adhesively fixed in the installation groove.
The filter assembly according to any one of claims 1 to 6, wherein at least one surface of the object side or the image side of the filter is provided with a glue blocking layer.
8. The filter assembly according to claim 7, wherein the resist layer is at least provided on the edge of the filter adjacent to the first support and the second support.
8. The filter assembly according to claim 7 or 8, wherein the anti-glue layer is a ring-shaped anti-glue layer extending along the circumferential direction of the filter.
9. The filter assembly of any one of claims 7-9, wherein the resist layer is an ink silk screen layer.
The filter assembly according to any one of claims 1 to 6, wherein the sides of the first support and the second support facing the filter have a draft angle α, wherein The α satisfies: 0°<α<180°.
The filter assembly according to any one of claims 1-6, wherein the distance between the first support and the second support along the optical axis is greater than the distance along the optical axis of the filter. The distance along the axis.
A camera module is characterized in that it comprises:

Image Sensor;

The filter assembly, the filter assembly is the filter assembly according to any one of claims 1-12, and the image side of the filter is attached to the image sensor.
The camera module of claim 13, wherein a circuit board is provided on a side of the image sensor away from the filter, and the image sensor is connected to the circuit board through a gold wire, and the The gold wire is placed in the gold wire avoidance area.
The camera module of claim 14, wherein the gap between the filter, the first support, the second support, the image sensor, and the circuit board is filled with Stuffing.
The camera module of claim 15, wherein the filter, the first support, the second support, the image sensor, the circuit board and the filler Wrapped with a package body.
The camera module according to any one of claims 14-16, wherein the gold wire is coated with a gold wire protective glue.
The camera module of claim 17, wherein the gold wire protective glue is provided on the edge of the surface of the image sensor facing the filter, and the gold wire protective glue and the filter The second side of the light sheet is attached; and/or

The gold wire protective glue is arranged on the edge of the surface of the circuit board facing the filter, and the gold wire protective glue is attached to the side surface of the image sensor.
The camera module according to any one of claims 14-18, wherein the first support body and the second support body are adhesively connected to the circuit board.
The camera module according to any one of claims 13-19, wherein an optical element is provided between the first support and the second support, and the optical element is located in the filter. The object side or image side of the piece.
The camera module of claim 20, wherein the optical element is a lens or a displacement grating ruler.
An electronic device, characterized by comprising the camera module according to any one of claims 13-21.