CN214014337U - Camera module - Google Patents
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- CN214014337U CN214014337U CN202023229171.1U CN202023229171U CN214014337U CN 214014337 U CN214014337 U CN 214014337U CN 202023229171 U CN202023229171 U CN 202023229171U CN 214014337 U CN214014337 U CN 214014337U
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- gasket
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- camera module
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Abstract
The utility model discloses a camera module, including the circuit board, bond image sensor on the circuit board, establish the support on the circuit board and bond the integral type camera lens on the support, be provided with the mounting groove on the support, it has the light filter to bond on the mounting groove, is provided with the gasket that is used for supplementary bonding between support and integral type camera lens, the gasket sets up to annular structure. The utility model adopts the technical scheme that the camera module is provided, the gasket and the optical filter are partially overlapped, the effective glue painting area of the bracket and the integrated lens is increased, the module production is ensured, and the bonding firmness between the bracket and the integrated lens is improved; effectively reducing the stray light phenomenon.
Description
Technical Field
The utility model belongs to the technical field of make a video recording and specifically relates to a module of making a video recording is related to.
Background
The camera module is mainly applied to electronic terminal products such as mobile phones, tablet computers, unmanned aerial vehicles and medical treatment, and becomes an essential living article for people. In the current production process of camera modules, the AA process is generally applied, sufficient AA painting area is required in the AA process to meet the process requirements, and the effective painting area of the AA glue is limited by the contact area of the integrated lens and the bracket in the current general situation. However, the small-sized integrated lens is a development trend, and the bracket needs to leave enough windowed and hollowed areas to satisfy the imaging of the chip, so that the effective glue painting area of the AA glue is greatly affected, which may cause that many matching schemes of the chip and the lens are difficult to be practically produced. In addition, in an optical system of the camera module, Ghost (Ghost) or Flare (Flare) can be caused due to multiple reflections in the effective aperture, mechanism reflections, light reflections outside the effective aperture, and the like, and stray light can affect normal imaging. The publication of "a double camera module and a triple camera module" in chinese patent literature has a publication number CN207897060U, which includes a first camera module, a second camera module and a double camera bracket; the two first mounting grooves and the second mounting groove that have the setting side by side on the support of taking a picture, the head of the first module of making a picture is located this first mounting groove and bonds together with two support bonds of taking a picture, the head of the second module of making a picture is located the second mounting groove and bonds together with two support bonds of taking a picture. The head of the camera module is placed in the mounting groove and then adhered to the double-camera support, so that the filter is not convenient to mount in the support, the motor support is additionally arranged in the device to mount the filter, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a camera module group, which increases the effective glue drawing area of the bracket and the integrated lens, ensures the module production and improves the bonding firmness between the bracket and the integrated lens, in order to overcome the problems of unstable bonding in the effective glue drawing area between the bracket and the integrated lens, easy generation of stray light in the camera module group and the like in the prior art; reduce the whole size of the camera module.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a camera module, includes the circuit board, bonds image sensor on the circuit board, establishes the support on the circuit board and bonds the integral type camera lens on the support, is provided with the mounting groove on the support, and it has the light filter to bond on the mounting groove, is provided with the gasket that is used for supplementary bonding between support and integral type camera lens, the gasket sets up to the loop configuration, gasket and light filter partial coincidence set up.
In the technical scheme, the integrated lens is used for dispersing or converging incident light, one side of the gasket is bonded on the support, the other side of the gasket is bonded on the integrated lens, the bonding glue is AA glue, the gasket is used for assisting bonding between the integrated lens and the support, the area which cannot be contacted between the support and the integrated lens is filled, the bonding area between the gasket and the integrated lens is effectively increased, the effective glue painting area of the AA glue is maximized, and the production of the camera module is ensured; the setting of mounting groove is used for installing the light filter, has reduced the part of extra installation light filter, and then has reduced the overall dimension of the module of making a video recording, and the gasket is favorable to increasing the installation steadiness of gasket with the partial coincidence setting of light filter in addition.
Preferably, the gasket comprises an upper side surface bonded with the integrated lens and a lower side surface bonded with the support, the lower side surface comprises an outer ring surface arranged far away from the center of the gasket and an inner ring surface arranged close to the center of the gasket, the outer ring surface is bonded with the support, and the inner ring surface is bonded with the optical filter.
The upper side and the lower side of the gasket are respectively bonded with the integrated lens and the support, and the lower side of the gasket is bonded with the support and the optical filter, so that the installation stability of the optical filter is effectively ensured.
Preferably, glue overflowing grooves are formed in the upper side face and the lower side face of the gasket respectively, the glue overflowing grooves are of annular structures matched with the gasket, and the glue overflowing grooves are arranged close to the outer side wall of the gasket.
When gasket and support or integral type camera lens bond, owing to adopt AA to glue and bond, consequently can inevitably can follow between gasket and the support or overflow partial AA between gasket and the integral type camera lens and glue at the bonding in-process, overflow the setting up of gluey groove and be convenient for concentrate the gluey that overflows, avoid overflowing glue to flow to the other parts of the module of making a video recording and influence the performance and the pleasing to the eye degree of the module of making a video recording.
Preferably, the gasket is provided with a bonding seam allowance, and the height of the gasket at the inner annular surface is greater than that of the gasket at the outer annular surface.
The setting of bonding tang is convenient for gasket and light filter contact setting, and then realizes the bonding of gasket and light filter, guarantees gasket installation stability.
Preferably, the installation groove and the optical filter are both rectangular, the width and the length of the installation groove are respectively greater than the length and the width of the optical filter, and a spacing groove formed by size difference is arranged between the installation groove and the optical filter.
The size of mounting groove is greater than the size of light filter and is convenient for guarantee the area of contact between mounting groove and the light filter, and then is convenient for guarantee the push-and-pull reliability between light filter and the mounting groove, and in addition, the light filter bonds in the mounting groove, and the setting of distance groove is convenient for hold the glue that light filter bottom and mounting groove overflowed.
Preferably, the lower side surface of the gasket bonded with the support is provided with a plurality of limiting bulges, and the limiting bulges are in contact with the side walls of the spacing grooves.
Spacing arch is pegged graft at the interval inslot, is convenient for carry on spacingly to the mounted position of gasket, and then is convenient for confirm the mounted position of gasket fast, improves gasket installation effectiveness.
Preferably, the bottom of the mounting groove is provided with a light window, the image sensor is provided with a photosensitive imaging area, the light window and the photosensitive imaging area are both arranged in a rectangular structure, four corners of the light window are opposite to four corners of the photosensitive imaging area, and the length and the width of the light window are respectively greater than those of the photosensitive imaging area.
The size of the light window is larger than that of the photosensitive imaging area, so that the oblique angle of the bracket window is convenient to place, and light is reflected to the photosensitive imaging area to generate a stray light phenomenon.
Preferably, a rectangular through hole for forming an annular structure is provided in the middle of the spacer, and the length and width of the rectangular through hole are smaller than those of the photosensitive imaging area, respectively.
The setting of rectangle through-hole is convenient for the light that disperses or assemble from the integral type camera lens to enter into sensitization formation of image district, and the opaque and rectangle through-hole's of gasket size is less than sensitization formation of image district's size, is favorable to sheltering from unnecessary light and enters into the module in, and then alleviates stray light phenomenon.
Preferably, the side wall of the light window is provided with an uneven rough surface.
The side wall of the light window arranged on the rough surface is subjected to extinction treatment, so that the reflection of the side wall to light is effectively reduced, and the stray light phenomenon is further reduced.
Preferably, a chamfer surface is arranged on one side of the optical window close to the photosensitive imaging area, and the area of one side of the optical window close to the photosensitive imaging area is smaller than that of one side close to the bracket.
The setting of chamfer face makes the light window inner wall inwards slope from the side that is close to the sensitization imaging region, reduces the reflection of light on the light window lateral wall, reduces the stray light phenomenon, and the setting of chamfer face still does benefit to the manufacturing of support in addition, and the support of being convenient for is demolded.
Therefore, the utility model discloses following beneficial effect has: the effective glue painting area of the bracket and the integrated lens is increased, the production of the module is ensured, and the bonding firmness between the bracket and the integrated lens is improved; the stray light phenomenon is effectively reduced; the overall size of the camera module is reduced; the setting of overflowing gluey groove is convenient for concentrate the gluey that overflows, avoids influencing the performance and the pleasing to the eye degree of the module of making a video recording.
Drawings
Fig. 1 is a sectional view of a camera module according to the present invention;
FIG. 2 is a schematic top view of the camera module;
FIG. 3 is a schematic top view of the camera module without an integral lens;
FIG. 4 is a cross-sectional view of the stent;
FIG. 5 is a schematic view of a first construction of a gasket;
FIG. 6 is a second construction of a gasket;
FIG. 7 is a third schematic view of a gasket;
FIG. 8 is a cross-sectional view of FIG. 7;
in the figure: 1. the integrated type camera lens comprises an integrated lens 2, a support 201, an optical window 202, a mounting groove 203, a chamfered surface 3, a circuit board 301, a photosensitive imaging area 4, an image sensor 5, AA glue 6, a gasket 601, a rectangular through hole 602, an adhesive seam 603, a lower side 604, an overflow glue groove 605, an upper side 7 and a filter.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1:
in embodiment 1 shown in fig. 1 and 2, a camera module includes an integrated lens 1, a support 2, an optical filter 7, an image sensor 4 and a circuit board 3, wherein the integrated lens 1 is used for converging or dispersing incident light, the integrated lens 1 is bonded to the support 2, the optical filter 7 is assembled on a base and is arranged below the integrated lens 1, the image sensor 4 is bonded to the circuit board 3 and is linearly connected through a gold thread, and a connector connected with a mobile phone motherboard signal is welded at the tail end of the circuit board 3. In addition, in order to install the optical filter 7 conveniently, an installation groove 202 is arranged on the support 2, a gasket 6 used for assisting in bonding is arranged between the support 2 and the integrated lens 1, the gasket 6 is arranged in an annular structure, the gasket 6 comprises an upper side surface 605 bonded with the integrated lens 1 and a lower side surface 603 bonded with the support 2, the gasket 6 and the optical filter 7 are arranged in a partially overlapped mode, the lower side surface 603 comprises an outer annular surface arranged far away from the center of the gasket 6 and an inner annular surface arranged close to the center of the gasket 6, the outer annular surface is bonded with the support 2, and the inner annular surface is bonded with the optical filter 7. AA glue is used for bonding between the bracket 2 and the gasket 6 and between the base and the gasket 6.
In the above technical scheme, integral type camera lens 1 is used for dispersing or assembling incident light, the setting of mounting groove 202 is used for installing optical filter 7, the part of additional installation optical filter 7 has been reduced, and then the overall dimension of the module of making a video recording has been reduced, but the setting of mounting groove 202 has reduced the area of contact between support 2 and the integral type camera lens 1 simultaneously, and then the effective drawing that has reduced glue is glued regionally, lead to bonding between support 2 and the integral type camera lens 1 and be not conform to the standard and easily appear bonding insecure scheduling problem. Downside 603 of gasket 6 bonds on support 2, go up side 605 and bond on integral type camera lens 1, bonding glue glues for AA, gasket 6 is used for supplementary integral type camera lens 1 and the bonding between support 2, it has filled the area of unable contact between support 2 and the integral type camera lens 1, bonding area between gasket 6 and the integral type camera lens 1 has effectively been increased, and then make the effective drawing that AA glued regional maximize, guarantee the module production of making a video recording, downside 603 of gasket 6 not only bonds with support 2 in addition, still bond with light filter 7, this has just effectually guaranteed the installation stability of light filter 7.
Further, as shown in fig. 5, a rectangular through hole 601 for forming a ring-shaped structure is provided inside the gasket 6, and the rectangular through hole 601 is provided to facilitate light scattered or converged from the integrated lens 1 to enter the photosensitive imaging area 301. And the gasket 6 is made of NTB982 material, so that the bonding is facilitated and the light is not transmitted.
Further, as shown in fig. 6, a bonding seam 602 is provided on the gasket 6, the height of the gasket 6 at the inner annular surface is greater than the height of the gasket 6 at the outer annular surface, and the bonding seam 602 is formed by the difference in height between the inner annular surface and the outer annular surface. The setting of bonding tang 602 is convenient for gasket 6 and the contact setting of light filter 7, reduces the distance between gasket 6 and the light filter 7 simultaneously, is convenient for realize the bonding of gasket 6 and light filter 7, guarantees gasket 6 installation stability.
Further, as shown in fig. 3 and 4, the mounting groove 202 and the filter 7 are each provided in a rectangular shape, the width and length of the mounting groove 202 are larger than the length and width of the filter 7, respectively, and a spacing groove formed by a size difference is provided between the mounting groove 202 and the filter 7. The size of the mounting groove 202 is larger than that of the optical filter 7, so that the contact area between the mounting groove 202 and the optical filter 7 is ensured, and further the reliability of the push-pull force between the optical filter 7 and the mounting groove 202 is ensured, in addition, the optical filter 7 is bonded in the mounting groove 202, and the arrangement of the spacing grooves is convenient for accommodating glue overflowing from the bottom of the optical filter 7 and the mounting groove 202. But simultaneously because the setting of interval groove leads to the area of contact between support 2 and the integral type camera lens 1 to reduce, this problem has effectively been solved in setting up of gasket 6 for the effective gluey regional maximize of drawing of AA.
The bottom of the mounting groove 202 is further provided with an optical window 201, the image sensor 4 is provided with a photosensitive imaging area 301, the optical window 201 and the photosensitive imaging area 301 are both arranged to be rectangular structures, four corners of the optical window 201 are opposite to four corners of the photosensitive imaging area 301, and the length and the width of the optical window 201 are respectively greater than those of the photosensitive imaging area 301. The size of light window 201 is greater than the size of sensitization imaging region 301 and is convenient for place the oblique angle that support 2 windowed and take place light reflection and produce the stray light phenomenon to sensitization imaging region 301, and light window 201 and sensitization imaging region 301 correspond the setting, avoid light window 201 to shelter from sensitization imaging region 301, the formation of image of being convenient for is clear.
Further, the length and the width of the rectangular through hole 601 are respectively smaller than those of the photosensitive imaging area 301, the arrangement of the rectangular through hole 601 facilitates the light scattered or gathered from the integrated lens 1 to enter the photosensitive imaging area 301, and the light-proof gasket 6 and the size of the rectangular through hole 601 are smaller than those of the photosensitive imaging area 301, so that the light-proof gasket is beneficial to blocking unnecessary light from entering the module, and further the stray light phenomenon is reduced. Meanwhile, ink silk-screen printing on the optical filter 7 is avoided, and the cost is reduced.
Example 2:
as shown in fig. 7 and 8, the embodiment 2 is basically the same as the embodiment 1, except that: the external contour dimension of the gasket 6 is larger than that of the integrated lens 1, glue overflow grooves 604 are formed in the upper side surface and the lower side surface of the gasket 6, the glue overflow grooves 604 are of closed annular structures, and the glue overflow grooves 604 are arranged close to the outer side wall of the gasket 6. When gasket 6 and support 2 or gasket 6 and integral type camera lens 1 bond, owing to adopt AA to glue and bond, can inevitably can follow between gasket 6 and the support 2 or overflow between gasket 6 and the integral type camera lens 1 partial AA glue, overflow the setting up of gluey groove 604 and be convenient for concentrate the glue that overflows, the glue of avoiding overflowing is excessive all around, also avoids AA glue to flow to the other parts of the module of making a video recording and influence the performance and the pleasing to the eye degree of making a video recording of module.
Further, the excessive gluey groove 604 of upper and lower both sides sets up relatively, and the excessive gluey groove 604 sets up along the outside profile of the bottom of integral type camera lens 1 with the contact of support 2, after support 2 and integral type camera lens 1 are fixed, cuts off gasket 6 along excessive gluey groove 604, has both guaranteed that the effective drawing that AA was glued glues the region, still is favorable to guaranteeing the device aesthetic property, avoids gasket 6 protrusion to cause the inconvenient or not pleasing to the eye scheduling problem of camera module assembly.
In addition, a plurality of limiting bulges are arranged on the lower side 603 of the gasket 6 bonded with the bracket 2, and the limiting bulges are arranged in contact with the side walls of the spacing grooves. Spacing arch is pegged graft at the interval inslot, is convenient for carry on spacingly to the mounted position of gasket 6, and then is convenient for confirm the mounted position of gasket 6 fast, improves gasket 6 installation effectiveness.
Example 3:
the embodiment 3 is basically the same as the embodiment 1, except that: the side wall of the optical window 201 is an uneven rough surface, so that reflected light on the side wall of the optical window 201 is reduced, and the stray light phenomenon is further reduced.
Or the side wall of the optical window 201 is provided with an antireflection film, and the antireflection film is used for carrying out small light treatment on the light pen of the optical window 201, so that the reflection of the side wall to light rays is effectively reduced, and the stray light phenomenon is further reduced.
Further, a chamfered surface 203 is provided on the side of the light window 201 close to the photosensitive imaging area 301, and the area of the side of the light window 201 close to the photosensitive imaging area 301 is smaller than that of the side close to the support 2. The chamfer surface 203 is arranged to enable the inner wall of the optical window 201 to incline inwards from one side close to the photosensitive imaging area 301, so that the reflection of light on the side wall of the optical window 201 is reduced, and the stray light phenomenon is reduced.
Example 4:
the embodiment 4 is basically the same as the embodiment 1, except that: the AA glue effective glue drawing area is the contact area between the pad and the support 2, between the gasket 6 and the integrated lens 1, the outline of the gasket 6 is larger than the outline of the bottom of the integrated lens 1, and the bottom of the integrated lens 1 is completely contacted with the gasket 6, so that the maximization of the AA glue effective area is guaranteed.
The mounting groove 202 is used for bonding the optical filter 7, the depth of the mounting groove 202 is 0.25mm, the bottom of the mounting groove 202 is provided with the optical window 201, and the single side of the bottom of the mounting groove 202 is 0.52mm larger than the optical window 201, so that the contact area between the optical filter 7 and the support 2 is effectively ensured, and the reliability of the push-pull force of the optical filter 7 is ensured.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. The utility model provides a camera module, includes circuit board (3), bonds image sensor (4) on circuit board (3), establishes support (2) on circuit board (3) and bonds integral type camera lens (1) on support (2), characterized by is provided with mounting groove (202) on support (2), bonds on mounting groove (202) and has light filter (7), is provided with between support (2) and integral type camera lens (1) and is used for supplementary gasket (6) that bond, gasket (6) set up to the annular structure, gasket (6) and light filter (7) partial coincidence set up.
2. The camera module according to claim 1, wherein the gasket (6) comprises an upper side (605) bonded to the integral lens (1) and a lower side (603) bonded to the support (2), the lower side (603) comprises an outer annular surface disposed away from the center of the gasket (6) and an inner annular surface disposed near the center of the gasket (6), the outer annular surface is bonded to the support (2), and the inner annular surface is bonded to the filter (7).
3. The camera module according to claim 2, wherein the gasket (6) is provided with glue overflow grooves (604) on both the upper side (605) and the lower side (603), the glue overflow grooves (604) are arranged in a ring structure matched with the gasket (6), and the glue overflow grooves (604) are arranged close to the outer side wall of the gasket (6).
4. The camera module according to claim 2, wherein the gasket (6) is provided with an adhesive seam allowance (602), and the height of the gasket (6) at the inner annular surface is larger than that of the gasket (6) at the outer annular surface.
5. The camera module according to claim 1, wherein the mounting groove (202) and the filter (7) are rectangular, the width and the length of the mounting groove (202) are respectively larger than the length and the width of the filter (7), and a spacing groove formed by a size difference is arranged between the mounting groove (202) and the filter (7).
6. A camera module according to claim 5, characterized in that the spacer (6) is provided with limiting projections on its lower side (603) to which the holder (2) is bonded, said limiting projections being arranged in contact with the side walls of the spacing grooves.
7. The camera module according to any one of claims 1 to 6, wherein an optical window (201) is disposed at the bottom of the mounting groove (202), a photosensitive imaging area (301) is disposed on the image sensor (4), the optical window (201) and the photosensitive imaging area (301) are both configured as a rectangular structure, four corners of the optical window (201) are opposite to four corners of the photosensitive imaging area (301), and the length and the width of the optical window (201) are respectively greater than the length and the width of the photosensitive imaging area (301).
8. The camera module according to claim 7, wherein a rectangular through hole (601) for forming a ring structure is arranged in the middle of the gasket (6), and the length and the width of the rectangular through hole (601) are respectively smaller than those of the photosensitive imaging area (301).
9. A camera module according to claim 7, characterized in that the side walls of the optical window (201) are provided with rugged rough surfaces.
10. The camera module according to claim 7, wherein a chamfered surface (203) is provided on a side of the optical window (201) close to the photosensitive imaging area (301), and an area of the side of the optical window (201) close to the photosensitive imaging area (301) is smaller than an area of the side close to the bracket (2).
Priority Applications (1)
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CN202023229171.1U CN214014337U (en) | 2020-12-28 | 2020-12-28 | Camera module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023229171.1U CN214014337U (en) | 2020-12-28 | 2020-12-28 | Camera module |
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CN214014337U true CN214014337U (en) | 2021-08-20 |
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CN202023229171.1U Active CN214014337U (en) | 2020-12-28 | 2020-12-28 | Camera module |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112738375A (en) * | 2020-12-28 | 2021-04-30 | 横店集团东磁有限公司 | Camera module |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112738375A (en) * | 2020-12-28 | 2021-04-30 | 横店集团东磁有限公司 | Camera module |
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