CN212064123U

CN212064123U - Filter assembly, camera module and electronic equipment

Info

Publication number: CN212064123U
Application number: CN202020461713.9U
Authority: CN
Inventors: 马忠科; 陈小凤; 周圣
Original assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Current assignee: Jiangxi Jinghao Optical Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-01
Anticipated expiration: 2030-04-01
Also published as: WO2021196495A1

Abstract

The utility model discloses a light filtering component, include: an optical filter and a support, the support including: first supporter, second supporter and connector, the connector is connected first supporter with between the second supporter, the light filter set up in first supporter with on the second supporter, the connector with the light filter interval sets up and dodges the district in order to form the gold thread. By dividing the support body into the first support body, the second support body and the connecting body, and by spacing the optical filter from the connecting body by a predetermined distance in a direction perpendicular to the optical axis direction and not the first adhesive region to leave a gap, the optical filter can be made to reduce the overall size of the optical filter assembly by the gap when the gold wire is soldered.

Description

Filter assembly, camera module and electronic equipment

Technical Field

The utility model belongs to the technical field of the technique of making a video recording and specifically relates to a light filtering component and module, electronic equipment make a video recording are related to.

Background

In the process of manufacturing a camera module, in order to obtain a smaller package size, the distance from the infrared filter to the image sensor needs to be minimized.

In the related art, since the annular support frame supporting the infrared filter cannot avoid the gold wire, and a space for accommodating the gold wire needs to be reserved in the optical axis direction, the minimum distance from the infrared filter to the image sensor cannot be obtained, so that the electronic device is too large in size and cannot be miniaturized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a filter assembly, which can reduce the distance from an infrared filter to an image sensor.

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

Another object of the present invention is to provide an electronic device having the above camera module.

According to the utility model discloses filter assembly of first aspect embodiment includes: an optical filter and a support, the support including: first supporter, second supporter and connector, the connector is connected first supporter with between the second supporter, the light filter set up in first supporter with on the second supporter, the connector with the light filter interval sets up and dodges the district in order to form the gold thread.

According to the utility model discloses optical filter component is through dividing into first supporter, second supporter and connector with the supporter to leave the gold thread between light filter and the connector and dodge the district, can make the light filter reduce the size of light filter component in the optical axis side through the clearance when welding the gold thread, and then can reduce the overall dimension of light filter component.

According to some embodiments of the present invention, the optical filter is fixed to the first supporting body by bonding, and the optical filter is fixed to the second supporting body by bonding. Therefore, the optical filter can be fixed on the first support body and the second support body, and the installation stability of the optical filter can be improved.

According to some embodiments of the utility model, the light filter includes object side, like side and week side, the object side with like the side sets up back of the body mutually in the optical axis direction, week side is connected the object side with like the side, week side has first bonding region, first supporter with being close to of second supporter the part of first bonding region is provided with and is used for with first bonding region complex second bonding region. The first bonding area is arranged on the peripheral side face of the optical filter, and the second bonding area matched with the first bonding area is arranged on the parts, close to the first bonding area, of the first supporting body and the second supporting body, so that the optical filter can be conveniently bonded with the first supporting body and the second supporting body, and the size of the optical filter in the optical axis direction can be reduced.

According to some embodiments of the present invention, at least one of the first support body and the second support body includes a first support body portion and a second support body portion connected to each other, the first support body portion is close to the side of the optical filter has the second adhesion region, the object side or the image side is close to the edge of the second support body portion has a third adhesion region, a portion of the second support body portion close to the third adhesion region is provided with a fourth adhesion region for cooperating with the third adhesion region. By providing the first support body portion and the second support body portion on at least one of the first support body and the second support body, the mounting stability of the optical filter can be improved when the optical filter is bonded to the first support body and the second support body.

According to the utility model discloses a some embodiments, first supporter with be equipped with the installation slot part on at least one in the second supporter, some of light filter stretches into in the installation slot part, the installation slot part with the partial bonding of stretching into of light filter is fixed. The optical filter can be fixed on the first supporting body and the second supporting body by arranging the installation groove part, and the installation stability of the optical filter is improved.

According to some embodiments of the invention, the first support body and the second support body all comprise a plurality of sub-support body segments, a plurality of the sub-support body segments are arranged at intervals in a direction perpendicular to the optical axis, a plurality of the sub-support body segments face the side of the first adhesive area jointly constitutes the second adhesive area. Therefore, the material can be saved, and the cost can be reduced.

According to some embodiments of the invention, the first support and the second support are both elongated. So set up, can effectively guarantee the light filter can with the firm bonding of first supporter and second supporter, promote the stability of light filter, first supporter and second supporter processing are simple simultaneously, have improved the production efficiency of filtering subassembly.

According to some embodiments of the present invention, the connector includes a first connector and a second connector which are oppositely disposed, the first connector is connected to one end of the first support and one end of the second support, and the second connector is connected to the other end of the first support and the other end of the second support. Therefore, the supporting body can be formed into a ring shape, and the strength and the overall stability of the supporting body can be improved by the ring-shaped supporting body.

According to some embodiments of the invention, a first step is provided on a side of the first connecting body adjacent to the optical filter; and/or a second step is arranged on one side of the second connector close to the infrared filter. Through set up the step on the connector, not only can make and can form between connector and the infrared filter and keep away the empty region, raise the processing to the support moreover, can promote infrared filter's joint strength, and then promote filtering component's overall stability.

According to some embodiments of the utility model, the light filter has the object side and the side of looking like that set up back to back in the optical axis direction, the object side and/or the edge of looking like the side is equipped with hinders the glue film. The light filter is provided with the glue resisting layer, so that the light filter can be prevented from being polluted in the gluing and fixing process of the first support body and the second support body, and the optical performance of the light filter is ensured.

According to some embodiments of the present invention, the glue blocking layer is disposed at least at the edge of the optical filter adjacent to the first and second supporting bodies. The optical filter is prevented from being polluted in the gluing and fixing process of the first support body and the second support body, the optical performance of the optical filter is guaranteed, materials of the glue resisting layer are saved, and the cost is reduced.

According to some embodiments of the utility model, hinder the glue film for following the annular that the circumference of light filter extends hinders the glue film. Therefore, the optical filter can be more comprehensively and effectively prevented from being polluted in the gluing and fixing process of the first support body and the second support body, and the optical performance of the optical filter is further ensured.

According to some embodiments of the utility model, hinder the glue film and be printing ink silk screen printing layer. Through setting up printing ink silk screen printing can be when having light to pass on the light filter, the reflection of blocking light to produce the miscellaneous light on the filtering component. In addition, the ink silk screen printing layer can also obstruct the adhesive when the optical filter is bonded and fixed, so that the optical filter is prevented from being polluted by the adhesive, and further, the performance of the optical filter is prevented from being reduced.

According to some embodiments of the invention, the first support and the second support are close to the side of the optical filter has a draft angle α, wherein α satisfies: alpha is more than 0 degree and less than 180 degrees. Through set up drawing die angle alpha on first supporter and second supporter, increased the bonding area between first supporter and second supporter and the light filter to strengthen the bonding strength between first supporter and second supporter and the light filter, promoted filtering component's overall stability.

According to some embodiments of the present invention, the first support body and the second support body have a size in the optical axis direction larger than a size of the optical filter in the optical axis direction. Therefore, the strength of the first support body and the second support body and the bonding strength between the first support body and the optical filter and the bonding strength between the second support body and the optical filter are effectively guaranteed, and meanwhile, the injection molding of the first support body and the second support body is easy.

According to some embodiments of the present invention, an optical element is provided between the first supporting body and the second supporting body, and the optical element is located on an object side surface or an image side surface in an optical axis direction of the optical filter. The optical function of the filtering component can be increased, the function singleness of the filtering component is avoided, and the application range of the filtering component is widened.

According to some embodiments of the invention, the optical element is a lens or a displacement grating scale. Through setting up lens and displacement grating chi, can be so that the light filter subassembly has the optical function of lens and displacement grating chi, increase the optical function of filtering subassembly, promote filtering subassembly's range of application.

According to the utility model discloses the module of making a video recording of second aspect embodiment, include according to the utility model discloses above-mentioned first aspect embodiment's filter subassembly.

According to the utility model discloses the module of making a video recording, through adopting foretell filter assembly, can promote the wholeness ability of the module of making a video recording.

According to some embodiments of the present invention, the optical filter has an object side and an image side that are opposite to each other in the optical axis direction, and the image side is attached with an image sensor. The image sensor is directly attached to the optical filter, so that the phenomenon that glue is capillary when dispensing is carried out is avoided, and the image sensor and the optical filter are polluted.

According to the utility model discloses a some embodiments, image sensor's keeping away from one side of light filter is equipped with the circuit board, image sensor pass through the gold thread with the circuit board links to each other, the light filter first supporter the second supporter image sensor gap packing between the circuit board has the filler. The stability of fixing among the optical filter, the first supporting body, the second supporting body, the image sensor and the circuit board is effectively ensured, and the optical filter, the first supporting body, the second supporting body, the image sensor and the circuit board are prevented from sliding relatively in the using process.

According to some embodiments of the invention, the optical filter, the first support, the second support, the image sensor, the circuit board and the filler are externally coated with an encapsulation. First supporter and second supporter can cut the unnecessary part of first supporter and second supporter after the encapsulation, and then reduce the size and the quality of filtering subassembly, and the filtering subassembly of being convenient for is miniaturized and lightweight design.

According to some embodiments of the present invention, the gold thread department coating has gold thread protection glue. Therefore, the stability of fixing the gold thread and the integrity of the gold thread are protected, and the gold thread is prevented from being damaged in the installation and use processes.

According to some embodiments of the present invention, the gold wire protective adhesive is disposed on a surface of the image sensor facing the optical filter and attached to the avoiding surface; and/or the gold wire protective adhesive is arranged on the surface of one side of the circuit board facing the optical filter and is attached to the side face of the image sensor. The gold wire is prevented from being damaged in the installation and use processes.

According to some embodiments of the invention, the first supporter and the second supporter with the equal bonding connection of circuit board. Therefore, the operation is simple, and the bonding stability of the first support body and the second support body with the circuit board is ensured.

According to the utility model discloses electronic equipment of third aspect embodiment, include according to the utility model discloses the module of making a video recording of above-mentioned second aspect embodiment.

According to the utility model discloses electronic equipment through adopting foretell module of making a video recording, can promote electronic equipment's wholeness ability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic diagram of the filter assembly of FIG. 1 having a first step and a second step;

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 4;

fig. 6 is a schematic diagram of a filter assembly according to another embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line E-E of FIG. 6;

FIG. 8 is a cross-sectional view taken along line G-G of FIG. 6;

FIG. 9 is an enlarged view of section F circled in FIG. 7;

fig. 10 is a schematic diagram of a filter assembly according to yet another embodiment of the present invention;

FIG. 11 is a sectional view taken along line H-H in FIG. 10;

FIG. 12 is a cross-sectional view taken along line I-I of FIG. 10;

fig. 13 is a schematic diagram of a filter assembly and an optical element according to an embodiment of the present invention;

FIG. 14 is a cross-sectional view taken along line K-K of FIG. 13;

FIG. 15 is a cross-sectional view taken along line J-J of FIG. 13;

FIG. 16 is an enlarged view of the portion L circled in FIG. 14;

FIG. 17 is an enlarged view of the portion M circled in FIG. 15;

FIG. 18 is a schematic view of the filter assembly, circuit board and gap fill filler of the image sensor shown in FIG. 1;

FIG. 19 is a cross-sectional view taken along line N-N of FIG. 18;

FIG. 20 is a cross-sectional view taken along line 0-0 of FIG. 18;

FIG. 21 is a schematic view of another manner of gap filling filler of the filter assembly, circuit board and image sensor shown in FIG. 1;

FIG. 22 is a cross-sectional view taken along line P-P of FIG. 21;

FIG. 23 is a schematic view of still another embodiment of a gap filler of the filter assembly, circuit board and image sensor shown in FIG. 1;

fig. 24 is a cross-sectional view taken along line Q-Q in fig. 23.

Reference numerals:

100: a filter assembly;

10: an optical filter; 11: a first adhesive region; 12: a third adhesive region; 13: a gold wire avoiding area; 14: an object side surface; 15: an image side; 16: a peripheral side surface;

20: a support body; 21: a first support; 211: a second adhesive region; 212: an installation groove part; 2121: a first slot wall; 2122: a second slot wall; 2123: a third tank wall;

22: a second support; 221: a first support body portion; 222: a second support body portion; 223: a fourth adhesive region;

23: a linker; 231: a first connecting body; 2311: a first step; 232: a second connector; 2321: a second step;

30: an image sensor; 31: a glue blocking layer; 32: a circuit board; 33: gold thread; 34: a filler; 35: gold thread protection glue; 36: an optical element; 37: and (6) a component.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A filter assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1-24.

As shown in fig. 1, 6 and 10, the filter assembly 100 according to the embodiment of the first aspect of the present invention includes a filter 10 and a support 20, the support 20 includes a first support 21, a second support 22 and a connecting body 23, and the connecting body 23 is connected between the first support 21 and the second support 22.

Specifically, two sides of the optical filter 10 facing each other have first adhesion regions 11, the first support 21 and the second support 22 are respectively disposed on two sides of the optical filter 10 facing each other, one side surfaces of the first support 21 and the second support 22 facing each other have second adhesion regions 211, and the second adhesion regions 211 are adhesively fixed to the corresponding first adhesion regions 11.

The connector 23 and the optical filter 10 are arranged at intervals to form a gold thread avoiding region 13, the gold thread avoiding region 13 enables the optical filter 10 to be free from being raised in the optical axis direction to avoid a gold thread 33, the gold thread 33 penetrates through the gold thread avoiding region 13, and the size of the infrared optical filter 10 can be reduced.

Therefore, the support body 20 is divided into the first support body 21, the second support body 22 and the connecting body 23, and the optical filter 10 and the connecting body 23 are spaced apart by a predetermined distance to leave the gold wire avoiding region 13, so that the optical filter 10 can pass through the gold wire avoiding region 13 when the gold wire 33 is welded, the size of the optical filter assembly 100 in the optical axis direction can be reduced, and the overall size of the optical filter assembly 100 can be reduced.

The filter 10 is bonded and fixed to the first support 21, and the filter 10 is also bonded and fixed to the second support 22. The optical filter 10 can be fixed on the first support body 21 and the second support body 22 by bonding and fixing the optical filter 10 with the first support body 21 and the second support body 22, so that the installation stability of the optical filter 10 can be improved, and the optical filter 10 is ensured not to be separated from the first support body 21 and the second support body 22 when in use.

Specifically, the filter 10 may be an infrared filter 10, and the infrared filter 10 may filter a portion of light, so that the infrared filter 10 may pass visible light and filter infrared light. Of course, the filter 10 may also be other types of filters 10, such as blue glass, and is not limited to the infrared filter 10.

In the example of fig. 2, the optical filter 10 includes an object side surface 14, an image side surface 15, and a peripheral side surface 16, the object side surface 14 and the image side surface 15 are disposed opposite to each other in the optical axis direction, the peripheral side surface 16 connects the object side surface 14 and the image side surface 15, the peripheral side surface 16 has a first adhesion region 11, portions of the first support body 21 and the second support body 22 close to the first adhesion region 11 are provided with a second adhesion region 211 for cooperating with the first adhesion region 11, and the second adhesion region 211 is adhesively fixed to the first adhesion region 11.

Therefore, compared with the traditional mode that the bracket is adhered to the object side surface 14 or the image side surface 15 of the infrared filter 10, the bracket does not need to be provided with a step in the optical axis direction for installing the infrared filter 10, and the size of the filter assembly 100 in the optical axis direction can be effectively reduced. In addition, after the filter assembly 100 is assembled, a portion of the first support 21 and the second support 22 can be cut off, so that the filter assembly 100 can obtain a smaller size, and further, the size of the electronic device can be reduced, and a miniaturized design can be realized. Wherein, the bonding process can be performed by using an adhesive, but is not limited thereto.

According to some embodiments of the present invention, the first support body 21 and the second support body 22 each comprise a plurality of sub-support body segments (not shown) arranged at a distance from each other in the direction of length extension, the sides of the plurality of sub-support body segments facing the first adhesive area 11 jointly constituting said second adhesive area 211. For example, a plurality of sub-support body segments may be spaced apart from each other along the side of the filter 10 corresponding to the sub-support body segments, the sides of the plurality of sub-support body segments facing the first adhesive region 11 collectively constituting the second adhesive region 211. Therefore, the material can be saved, and the cost can be reduced.

In some alternative embodiments, as shown in fig. 1, 4, 6 and 10, the first support 21 and the second support 22 are each elongated. So set up, can effectively guarantee that light filter 10 can bond with first supporter 21 and second supporter 22 is firm, promoted light filter 10's stability, first supporter 21 and second supporter 22 processing are simple simultaneously, have improved the production efficiency of filtering subassembly 100.

In some alternative embodiments, as shown in fig. 1, both ends of the first support 21 and the second support 22 in the direction perpendicular to the optical axis extend beyond both end faces of the filter 10 in the direction perpendicular to the optical axis, respectively. This increases the bonding area between the first support 21 and the second support 22 and the optical filter 10, and effectively improves the reliability of bonding.

In other alternative embodiments, as can be seen from fig. 1, the lengths of the first supporting body 21 and the second supporting body 22 in the direction perpendicular to the optical axis are respectively greater than the lengths of the corresponding sides of the optical filter 10. With this arrangement, the bonding stability of the optical filter 10 to the first support 21 and the second support 22 is further ensured.

As shown in fig. 1, 4, 6 and 10, the connection body 23 includes a first connection body 231 and a second connection body 232 which are oppositely disposed, the first connection body 231 is connected to one end of the first support body 21 and one end of the second support body 22, and the second connection body 232 is connected to the other end of the first support body 21 and the other end of the second support body 22. By providing the first connection body 231 and the second connection body 232, and connecting the first connection body 231 and the second connection body 232 at both ends of the first support body 21 and the second support body 22 in the direction perpendicular to the optical axis and not in the direction of the first adhesive region 11, respectively, the ring-shaped stent is formed into a ring shape, which can improve the strength and overall stability of the stent.

According to an embodiment of an aspect of the present invention, as shown in fig. 1, the first connection body 231 and the second connection body 232 are cuboids. Through setting up first connector 231 and second connector 232 into the cuboid, can realize first connector 231 and second connector 232 and infrared filter 10 between inject the department keep away the empty region in the time, reduce the processing degree of difficulty of first connector 231 and second connector 232 to can promote infrared filter assembly 100's production efficiency.

According to another aspect of the present invention, as shown in fig. 4, 5, 18 and 19, a first step 2311 is disposed on one side of the first connecting body 231 close to the infrared filter 10, and a second step 2321 is disposed on one side of the second connecting body 232 close to the infrared filter 10. Through set up the step on connector 23, not only can make and can form the keep away empty region between connector 23 and infrared filter 10, can be easy to assemble image sensor 30 and circuit board 32 through setting up the step to can be more convenient when filling filler 34 and gold thread protection glue 35, it is effectual to fill moreover.

According to some embodiments of the present invention, referring to fig. 6 in combination with fig. 7 and 9, the edge of the object side 14 or the image side 15 close to the second support body portion 222 has a third adhesion region 12, at least one of the first support body 21 and the second support body 22 includes a first support body portion 221 and a second support body portion 222 connected to each other, the circumferential side 16 of the first support body portion 221 close to the optical filter 10 has a second adhesion region 211, the second support body portion 22 is disposed on the optical axis side of the optical filter 10, the edge of the optical filter 10 close to the second support body portion 222 has a third adhesion region 12, and the portion of the second support body portion 222 close to the third adhesion region 12 is disposed with a fourth adhesion region 223 for cooperating with the third adhesion region 12. Wherein the second adhesive area 211 is adhesively secured to the first adhesive area 11 and the fourth adhesive area 223 is adhesively secured to the third adhesive area 12. In this case, only the second adhesion region 211 may be adhesively fixed to the first adhesion region 11, the fourth adhesion region 223 may be adhesively fixed to the third adhesion region 12, and of course, the second adhesion region 211 may be adhesively fixed to the first adhesion region 11, and the fourth adhesion region 223 may be adhesively fixed to the third adhesion region 12.

For example, in the example of fig. 7 and 9, each of the first and second supporting

bodies

21 and 22 includes therein a first supporting body portion 221 and a second supporting body portion 222 connected to each other. This further improves the adhesion strength between the first support 21 and the second support 22 and the optical filter 10, and effectively reduces the size of the optical filter assembly 100 in the optical axis direction.

In some alternative embodiments, as shown in fig. 11, at least one of the first support 21 and the second support 22 is provided with a mounting groove 212, a portion of the optical filter 10 extends into the mounting groove 212, and the mounting groove 212 is fixedly bonded to the extending portion of the optical filter 10. Specifically, the mounting groove portion 212 includes a first groove wall 2121, a second groove wall 2122, and a third groove wall 2123, the first groove wall 2121 is disposed opposite to the third groove wall 2123, the second groove wall 2122 is connected between the first groove wall 2121 and the third groove wall 2123, an edge of the optical filter 10 is disposed in the mounting groove portion 212, and at least one of the first groove wall 2121, the second groove wall 2122, and the third groove wall 2123 is adhesively fixed to the optical filter 10.

In other alternative embodiments, as shown in fig. 11, both sides of the first and

second supports

21 and 22 in a direction perpendicular to the first adhesive region 11 are provided with mounting groove portions 212. Accordingly, the bonding strength between the first support 21 and the second support 22 and the optical filter 10 is effectively ensured, the size of the optical filter assembly 100 in the optical axis direction is reduced, and the size of the electronic device can be reduced, thereby realizing a compact design.

According to some embodiments of the present invention, the edge of the object side 14 and/or the image side 15 of the optical filter 10 is provided with a glue blocking layer 31. For example, the resist layer 31 may be provided only on one surface of the optical filter 10 in the optical axis direction (not shown), or the resist layer 31 may be provided only on the other surface of the optical filter 10 in the optical axis direction (not shown), or both surfaces of the optical filter 10 in the optical axis direction may be provided with the resist layer 31 (for example, as shown in fig. 2 and 11). By arranging the glue blocking layer 31 on the optical filter 10, the optical filter 10 can be prevented from being polluted in the gluing and fixing process of the first support body 21 and the second support body 22, so that the optical performance of the optical filter 10 is ensured.

Further, the glue blocking layer 31 is at least disposed at the edge of the filter 10 adjacent to the first and

second supports

21 and 22. For example, as shown in fig. 1 and 4, the glue blocking layer 31 is disposed at the edge of the optical filter 10 adjacent to the first support 21 and the second support 22, so as to prevent the optical filter 10 from being contaminated during the gluing and fixing process of the first support 21 and the second support 22, ensure the optical performance of the optical filter 10, save the material of the glue blocking layer 31, and reduce the cost.

In some alternative embodiments, as shown in fig. 1 and 4, the glue-blocking layer 31 is an annular glue-blocking layer 31 extending along the circumferential direction of the optical filter 10. Therefore, the optical filter 10 can be more completely and effectively prevented from being polluted in the gluing and fixing process of the first support body 21 and the second support body 22, and the optical performance of the optical filter 10 is further ensured.

In some alternative embodiments, the glue-blocking layer 31 is an ink screen printing layer. The material for printing ink silk screen can be printing ink, and can also be other adhesives, but is not limited to this. By arranging the ink screen printing, reflection of light can be blocked when light passes through the optical filter 10, so that stray light generated on the optical filter assembly 100 is avoided. In addition, the ink silk-screen layer can also obstruct the adhesive when the optical filter 10 is adhered and fixed, so that the optical filter 10 is prevented from being polluted by the adhesive, and further, the performance of the optical filter 10 is prevented from being reduced.

According to some embodiments of the present invention, as shown in fig. 7 and 9, the sides of the first and

second supports

21 and 22 close to the optical filter 10 have a draft angle α, where α satisfies: alpha is more than 0 degree and less than 180 degrees. Therefore, by setting the draft angle α on the first support 21 and the second support 22, the bonding area between the first support 21 and the filter 10 and the bonding area between the second support 22 and the filter 10 are ensured, and the demolding of the first support 21 and the second support 22 is facilitated, so that the processing difficulty of the filter assembly 100 can be reduced.

According to some embodiments of the present invention, as shown in fig. 2 and 7, the size of the first and

second supports

21 and 22 in the optical axis direction is larger than that of the optical filter 10. Thereby, the strength of the first and

second supports

21 and 22 and the bonding strength between the first and

second supports

21 and 22 and the optical filter 10 are effectively ensured, while the injection molding of the first and

second supports

21 and 22 is facilitated.

According to the present invention, the camera module according to the second aspect of the present invention includes the filter assembly 100 according to the first aspect of the present invention.

According to the utility model discloses the module of making a video recording, through adopting foretell filter assembly 100, can promote the wholeness ability of the module of making a video recording.

According to some embodiments of the present invention, the optical filter 10 has an object side 14 and an image side 15 disposed opposite to each other in the optical axis direction, and the image side 15 has the image sensor 30 attached thereto. As shown in fig. 18, the image sensor 30 is attached to the image side surface 15 of the filter 10 in the optical axis direction.

Further, the side surface of the optical filter 10 is provided with at least one gold wire avoiding region 13. As shown in fig. 8 and 12, the two side surfaces of the optical filter 10 perpendicular to the optical axis direction and not the first adhesive region 11 are gold wire avoiding regions 13, and the gold wire avoiding regions 13 are located between the first support body 21 and the second support body 22, so that the avoiding surfaces are spaced from the first support body 21 and the second support body 22, and thus, the optical filter assembly 100 can function as avoiding the gold wires 33 and the components 37, and the optical filter assembly 100 does not need to be raised in the optical axis direction to avoid the gold wires 33 and the components 37, so that the optical filter assembly 100 can obtain a smaller size in the optical axis direction.

As shown in fig. 14 and 18, a circuit board 32 is disposed on a side (e.g., a lower surface in fig. 18) of the image sensor 30 away from the optical filter 10, the image sensor 30 is connected to the circuit board 32 by a gold wire 33, and the gold wire 33 is opposite to the gold wire avoiding region 13. Because there is gold thread dodge district 13 between first supporter 21 and the second supporter 22, play the effect of dodging to gold thread 33, prevent that gold thread 33 from causing gold thread 33 to damage because the space is narrow and small in the installation.

Further, as shown in fig. 18 to 24, the gap between the connection body 23, the optical filter 10, the first support body 21, the second support body 22, the image sensor 30, and the circuit board 32 is filled with a filler 34. By such arrangement, the stability of fixation among the optical filter 10, the first support body 21, the second support body 22, the image sensor 30 and the circuit board 32 is effectively ensured, and the optical filter 10, the first support body 21, the second support body 22, the image sensor 30 and the circuit board 32 are prevented from sliding relatively in the use process.

In addition, compared with the conventional method that the image sensor 30 is adhered to the optical filter 10 by dispensing, the image sensor 30 is directly adhered to the optical filter 10, and if there is no gap between the image sensor 30 and the optical filter 10, when the image sensor 30 and the optical filter 10 are fixed, a capillary phenomenon of glue can be avoided, so that the image sensor 30 and the optical filter 10 can be prevented from being polluted.

Further, the optical filter 10, the first support 21, the second support 22, the image sensor 30, the circuit board 32, and the filler 34 are externally coated with a package (not shown). After the first support 21 and the second support 22 are packaged, the redundant parts of the first support 21 and the second support 22 can be cut, so that the size and the mass of the filter assembly 100 are reduced, and the filter assembly 100 is convenient to miniaturize and design in a light weight mode.

In some alternative embodiments, as shown in fig. 19, 22 and 24, the gold wire 33 is coated with a gold wire protection adhesive 35, thereby protecting the stability of the fixing of the gold wire 33 and the integrity of the gold wire 33, and preventing the gold wire 33 from being damaged during installation and use.

According to some embodiments of the present invention, the first support 21 and the second support 22 are all bonded to the circuit board 32. The first support body 21 and the second support body 22 can be bonded on the circuit board 32 by using an adhesive, so that the operation is simple, and the bonding stability of the first support body 21 and the second support body 22 with the circuit board 32 is ensured.

According to some embodiments of the present invention, as shown in fig. 13 to 17, an optical element 36 is disposed between the first supporting body 21 and the second supporting body 22, and the optical element 36 is located on the object side 14 or the image side 15 of the optical filter 10, which are opposite to each other in the optical axis direction. By arranging the optical element 36 between the first supporting body 21 and the second supporting body 22 and arranging the optical element 36 on the object side surface or the image side surface of the optical filter 10, the optical function of the optical filter assembly 100 can be increased, the single function of the optical filter assembly 100 is avoided, and the application range of the optical filter assembly 100 is widened.

In some alternative embodiments, optical element 36 is a lens or a displacement grating scale, but is not so limited. Through setting up lens and displacement grating chi, can make filtering component 100 have the optical function of lens and displacement grating chi, increase filtering component 100's optical function, promote filtering component 100's range of application.

Alternatively, the electronic device may be any of various types of computer system devices that are mobile or portable and perform wireless communications. In particular, the electronic device may be a mobile or smart phone (e.g., an iPhone (TM) based phone), a Portable gaming device (e.g., Nintendo DS (TM), Play Station Portable (TM), Game-boy Advance (TM), iPhone (TM)), a laptop, a PDA, a Portable internet appliance, a music player and data storage device, other handheld devices and a headset such as a watch, an in-ear headphone, a pendant, a headset, etc., and other wearable devices (e.g., a Head Mounted Device (HMD) such as electronic glasses, electronic clothing, an electronic bracelet, an electronic necklace, an electronic tattoo, or a smart watch).

Alternatively, the electronic device may be any of a number of 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 devices, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving Picture experts group (MPEG-1 or MPEG-2) Audio layer (MP3) players, portable medical devices, and digital cameras, and combinations thereof. In some cases, the electronic device may perform a variety of functions (e.g., playing music, displaying videos, storing pictures, and receiving and sending telephone calls). If desired, the electronic device may be a portable device such as a cellular telephone, media player, other handheld device, wristwatch device, pendant device, earpiece device, or other compact portable device.

Other constructions and operations of any one or more electronic devices, such as any of various types of computer system devices that are mobile or portable and perform wireless communications, according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

Other configurations and operations of the electronic device according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light filtering assembly, comprising:

an optical filter;

a support body, the support body comprising: first supporter, second supporter and connector, the connector is connected first supporter with between the second supporter, the light filter set up in first supporter with on the second supporter, the connector with the light filter interval sets up and dodges the district in order to form the gold thread.

2. The filter assembly of claim 1, wherein the filter is adhesively secured to the first support and the filter is also adhesively secured to the second support.

3. A filter assembly according to claim 2, wherein the filter comprises an object side surface, an image side surface and a peripheral side surface, the object side surface and the image side surface are disposed opposite to each other in the optical axis direction, the peripheral side surface connects the object side surface and the image side surface, the peripheral side surface has a first adhesive region, and portions of the first support body and the second support body close to the first adhesive region are provided with a second adhesive region for cooperating with the first adhesive region.

4. A light filter assembly according to claim 3, wherein at least one of the first support body and the second support body comprises a first support body portion and a second support body portion connected to each other, the first support body portion having the second adhesive region, an edge of the object side surface or the image side surface near the second support body portion having a third adhesive region, and a portion of the second support body portion near the third adhesive region being provided with a fourth adhesive region for cooperating with the third adhesive region.

5. The filter assembly of claim 2, wherein at least one of the first support and the second support is provided with a mounting groove, a portion of the filter extends into the mounting groove, and the mounting groove is adhesively fixed to the extending portion of the filter.

6. A filter assembly according to claim 1, wherein the first and second supports each comprise a plurality of sub-support body segments, the sub-support body segments being spaced apart in a direction perpendicular to the optical axis.

7. A filter assembly as recited in claim 1, wherein said first support and said second support are each elongated.

8. The filter assembly of claim 1, wherein the connection body comprises a first connection body and a second connection body, which are oppositely disposed, the first connection body is connected to one end of the first support body and one end of the second support body, and the second connection body is connected to the other end of the first support body and the other end of the second support body.

9. The filter assembly of claim 8, wherein a side of the first connector adjacent to the filter is provided with a first step; and/or

And a second step is arranged on one side of the second connector close to the optical filter.

10. A filter assembly according to any one of claims 1-9, wherein the filter has an object side and an image side opposite to each other in the direction of the optical axis, and the edges of the object side and/or the image side are provided with a resist layer.

11. A filter assembly as claimed in claim 10, wherein the resist layer is an annular resist layer extending circumferentially of the filter.

12. The filter assembly of claim 11, wherein the resist layer is an ink screen layer.

13. A filter assembly according to any of claims 1-9, wherein the sides of the first and second supports adjacent to the filter have a draft angle α, wherein α satisfies: alpha is more than 0 degree and less than 180 degrees.

14. A filter assembly according to any of claims 1 to 9, wherein the dimensions of the first and second supports in the direction of the optical axis are greater than the dimensions of the filter in the direction of the optical axis.

15. A filter assembly according to any one of claims 1 to 9, wherein an optical element is provided between the first support and the second support, the optical element being located on an object side or an image side in the direction of the optical axis of the filter.

16. A filter assembly according to claim 15, wherein the optical element is a lens or a displacement grating.

17. A camera module comprising a filter assembly according to any one of claims 1-16.

18. The camera module of claim 17, wherein the filter has an object side surface and an image side surface opposite to each other in the direction of the optical axis, and the image side surface is attached with an image sensor.

19. The camera module according to claim 18, wherein a circuit board is disposed on a side of the image sensor away from the optical filter, the image sensor is connected to the circuit board by gold wires, and a filler is filled in a gap between the optical filter, the first support, the second support, the image sensor, and the circuit board.

20. The camera module of claim 19, wherein the filter, the first support, the second support, the image sensor, the circuit board, and the filler are externally encapsulated by an encapsulant.

21. The camera module of claim 19, wherein a gold wire protective adhesive is coated on the gold wire.

22. The camera module of claim 19, wherein the first and second supports are bonded to the circuit board.

23. An electronic device, characterized in that it comprises a camera module according to any one of claims 17-22.