CN211184077U - Camera module and imaging device and electronic equipment with same - Google Patents
Camera module and imaging device and electronic equipment with same Download PDFInfo
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- CN211184077U CN211184077U CN202020209211.7U CN202020209211U CN211184077U CN 211184077 U CN211184077 U CN 211184077U CN 202020209211 U CN202020209211 U CN 202020209211U CN 211184077 U CN211184077 U CN 211184077U
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Abstract
The utility model discloses a camera module and imaging device, electronic equipment who has it, the camera module includes: a lens; the optical filter is arranged at the image side of the lens, and at least one of the object side surface and the image side surface of the optical filter is a concave surface; the image sensor is arranged on the image side of the optical filter, and the light sensing surface of the image sensor is a concave surface. According to the utility model discloses a camera module can change the propagation effect of light, eliminates the influence of field curvature to the formation of image to make the central visual field keep unanimous basically to the resolution power of marginal visual field, reach the purpose that improves the imaging quality. Meanwhile, the design is also favorable for reducing the number of the lenses, the design difficulty and the processing technology of the aspheric lens are avoided, the camera module is thinner and lighter, and the camera module is more suitable for the development trend of modern camera modules.
Description
Technical Field
The utility model belongs to the technical field of the technique of making a video recording and specifically relates to a camera module and imaging device, electronic equipment who has it are related to.
Background
The large wide angle module currently under development and in the market is generally a fixed focus module. With the rise of multiple modules, large wide-angle modules become an important member of the multi-module group combination. However, due to the influence of curvature of field and the like, the central focal point and the four corners are not in the same plane, which results in increasingly poor resolution from the central field to the peripheral field. In the related art, the camera module can reduce the field curvature by increasing the number of lenses and changing the matching of the spherical surface and the aspherical surface of the lenses, but the difficulty of design and process is difficult to break through even the field curvature is reduced.
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 utility model is to provide a camera module, camera module can eliminate the influence of field curvature to formation of image, makes the central visual field keep unanimous basically to the resolution power of marginal visual field, reaches the purpose that improves the imaging quality.
Another object of the present invention is to provide an image forming apparatus having the above camera module.
It is another object of the present invention to provide an electronic apparatus having the above image forming apparatus.
According to the utility model discloses camera module of first aspect embodiment, include: a lens; the optical filter is arranged at the image side of the lens, and at least one of the object side surface and the image side surface of the optical filter is a concave surface; the image sensor is arranged on the image side of the optical filter, and the light sensing surface of the image sensor is a concave surface.
According to the utility model discloses camera module makes the object side of light filter and at least one in the image side face be the concave surface through setting up, and image sensor's photosurface is the concave surface, can change the propagation effect of light, eliminates the influence of field curvature to formation of image to make the central visual field keep unanimous basically to the resolution power of marginal visual field, reach the purpose that improves image quality. Meanwhile, the design is also favorable for reducing the number of the lenses, the design difficulty and the processing technology of the aspheric lens are avoided, the camera module is thinner and lighter, and the camera module is more suitable for the development trend of modern camera modules.
According to some embodiments of the invention, the object side surface and the image side surface of the optical filter are concave surfaces. By the arrangement, the light refraction angle is further increased.
According to some embodiments of the invention, the bearing surface of the image sensor is convex or planar. By the arrangement, the processing of the image sensor is facilitated, and the cost can be reduced.
According to some embodiments of the utility model, the camera module still includes: the support is provided with the optical filter; the circuit board, be equipped with on the circuit board the support, image sensor establishes on the circuit board. Therefore, the support and the circuit board are arranged, the support can support the optical filter, and the circuit board can play a role in bearing and communicating a circuit.
According to some embodiments of the utility model, when image sensor's loading end is the convex surface, be equipped with sensor installation slot portion in the support, sensor installation slot portion includes the edge image sensor's axial, orientation are kept away from the first slot portion and the second slot portion of the direction intercommunication of light filter, the cross-sectional area of first slot portion is greater than the cross-sectional area of second slot portion, image sensor establishes in the first slot portion, just image sensor's a part of loading end stretches into in the second slot portion. Thus, the installation and positioning of the image sensor can be well realized.
According to some embodiments of the utility model, be equipped with light filter installation slot part on the support, the diapire of light filter installation slot part be formed with the light window of sensor installation slot part intercommunication. So set up, made things convenient for the installation of light filter. Furthermore, by providing a light window, light can be transmitted through the filter towards the image sensor.
According to some embodiments of the present invention, the lens comprises at least one lens, and at least one of the object side surface and the image side surface of the lens is aspheric. By the arrangement, the influence of field curvature can be further effectively reduced.
According to some embodiments of the invention, the optical filter is an infrared filter. The infrared filter has wide universality.
According to the utility model discloses imaging device of second aspect embodiment, include according to the utility model discloses the camera module of above-mentioned first aspect embodiment.
According to the utility model discloses imaging device through adopting foretell camera module, can improve the image quality.
According to the utility model discloses electronic equipment of third aspect embodiment, include according to the utility model discloses above-mentioned second aspect embodiment's image device.
According to the utility model discloses electronic equipment, through adopting foretell image device, 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 structural diagram of a camera module according to an embodiment of the present invention;
Fig. 2 is an imaging schematic diagram of the camera module according to the embodiment of the present invention.
Reference numerals:
A camera module 100;
A lens 1; a lens 11;
An optical filter 2; an image sensor 3;
A bracket 4; a sensor mounting groove portion 41;
A first slot portion 411; a second groove portion 412;
The filter mounting groove portion 42; a communication port 421;
And a wiring board 5.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
The following describes a camera module 100 according to an embodiment of the present invention with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, a camera module 100 according to an embodiment of the present invention includes a lens 1, an optical filter 2, and an image sensor 3.
Specifically, the filter 2 is provided on the image side of the lens 1, and at least one of the object-side surface and the image-side surface of the filter 2 is concave. That is, only the object-side surface of the filter 2 may be concave, only the image-side surface of the filter 2 may be concave, or both the object-side surface and the image-side surface of the filter 2 may be concave. This arrangement makes it possible to increase the shooting angle by making the light transmitted through the filter 2 divergent. The image sensor 3 is arranged on the image side of the optical filter 2, and the light sensing surface of the image sensor 3 is a concave surface. The light sensing surface of the image sensor 3 is a surface of the image sensor 3 close to the object side. The shape of the image sensor 3 is substantially consistent with the imaging surface of the camera module 100, so that the operation of correcting light is simpler.
Thus, at least one of the object-side surface and the image-side surface of the filter 2 is concave, and the light-receiving surface of the image sensor 3 is concave. When the camera assembly is applied to an electronic device (not shown), in conjunction with fig. 2, light is incident from the lens 1, passes through the optical filter 2, is received by the image sensor 3, and passes through Digital Signal Processor (DSP) of the electronic device, and a picture is output. In the above process, by arranging the filter 2 with the biconcave surface, the light transmitted through the filter 2 is shifted outward, so that the optical path of the light can be effectively increased. Meanwhile, the matched image sensor 3 with the concave photosensitive surface is closer to the edge, and the optical path is reduced to be larger, so that the optical path difference of each light ray can be reduced, and the light rays of each view field are ensured to fall in the focal depth of the image sensor 3 according to the characteristics of imaging field curvature, so that the resolving power of each position is ensured to be consistent, the influence of the field curvature is eliminated, and the imaging quality can be ensured.
According to the utility model discloses camera module 100 makes at least one in the object side of light filter 2 and the image side be the concave surface through setting up, and image sensor 3's photosurface is the concave surface, can change the propagation effect of light, eliminates the influence of field curvature to formation of image to make the central visual field keep unanimous basically to the resolution power of marginal visual field, reach the purpose that improves image quality. Meanwhile, the design is also beneficial to reducing the number of lenses, the design difficulty and the processing technology of the aspheric lens are avoided, the camera module 100 is thinner and lighter, and the camera module is more suitable for the development trend of the modern camera module 100.
According to the utility model discloses camera module 100 not only is applied to big wide angle and focuses the camera, and the camera that receives the curvature of field influence, formation of image resolution power etc. at long burnt camera, zoom camera, periscope formula camera etc. is also suitable for.
According to some embodiments of the present invention, referring to fig. 1, the object side surface of the optical filter 2 and the image side surface of the optical filter 2 are both concave surfaces. The filter 2 is substantially a concave lens structure. By the arrangement, the light refraction angle is further increased.
Optionally, the filter 2 is an infrared filter. The infrared filter can filter out a part of light, so that the infrared filter can transmit visible light and filter infrared light. The infrared filter has wide universality. Of course, the filter 2 may also be another type of filter, such as blue glass, without being limited to an infrared filter.
According to some embodiments of the present invention, the thickness of the image sensor 3 is equal everywhere, as shown in fig. 1. Therefore, the processing of the image sensor 3 is simplified while the influence of field curvature on imaging is effectively eliminated.
Optionally, the carrying surface of the image sensor 3 is convex or planar. For example, referring to fig. 1, the bearing surface of the image sensor 3 is convex. Wherein the bearing surface of the image sensor 3 is the surface of the image sensor 3 close to the image side. So set up, made things convenient for image sensor 3's processing, can reduce cost.
According to the utility model discloses a further embodiment, as shown in fig. 1, camera module 100 still includes: the image sensor comprises a support 4 and a circuit board 5, wherein the support 4 is arranged on the circuit board 5, the optical filter 2 is arranged on the support 4, and the image sensor 3 is arranged on the circuit board 5. Therefore, by arranging the bracket 4 and the circuit board 5, the bracket 4 can support the optical filter 2, and the circuit board 5 can play a role in carrying and communicating circuits.
Further, referring to fig. 1, when the bearing surface of the image sensor 3 is a convex surface, a sensor mounting groove portion 41 is provided in the holder 4, the image sensor 3 is mounted in the sensor mounting groove portion 41, the sensor mounting groove portion 41 includes a first groove portion 411 and a second groove portion 412 that communicate in the axial direction of the image sensor 3 toward a direction away from the optical filter 2, the cross-sectional area of the first groove portion 411 is larger than the cross-sectional area of the second groove portion 412, the image sensor 3 is provided in the first groove portion 411, and a portion of the bearing surface of the image sensor 3 protrudes into the second groove portion 412. For example, in the example of fig. 1, the outer peripheral wall of the image sensor 3 is defined by the inner peripheral wall of the first groove portion 411, and a step portion at the junction of the first groove portion 411 and the second groove portion 412 may be used to support the image sensor 3. In this way, the mounting and positioning of the image sensor 3 can be well achieved.
Further, referring to fig. 1, the holder 4 is provided with a filter mounting groove portion 42, and an optical window 421 communicating with the sensor mounting groove portion 41 is formed in a bottom wall of the filter mounting groove portion 42. So set up, made things convenient for the installation of light filter 2. Also, by providing the optical window 421, light can be emitted to the image sensor 3 through the filter 2.
According to some embodiments of the present invention, the lens barrel 1 includes at least one lens 11, and at least one of the object side surface and the image side surface of the lens 11 is aspheric. By the arrangement, the influence of field curvature can be further effectively reduced.
According to the utility model discloses camera module 100 through the light filter 2 that sets up above-mentioned curved surface, can increase marginal visual field optical path, through the image sensor 3 that sets up above-mentioned curved surface, can reduce the influence of field curvature, and combine foretell light filter 2 and image sensor 3 after, can eliminate the field curvature, make each visual field resolving power unanimous.
According to the present invention, the imaging device (not shown) includes the camera module 100 according to the above first aspect of the present invention.
According to the utility model discloses imaging device, through adopting foretell camera module 100, can improve the image quality.
According to the utility model discloses electronic equipment of third aspect embodiment, include according to the utility model discloses above-mentioned second aspect embodiment's image device.
According to the utility model discloses electronic equipment, through adopting foretell image device, can promote electronic equipment's wholeness ability.
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, in-ear headphones, 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
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 (10)
1. The utility model provides a camera module which characterized in that includes:
A lens;
The optical filter is arranged at the image side of the lens, and at least one of the object side surface and the image side surface of the optical filter is a concave surface;
The image sensor is arranged on the image side of the optical filter, and the light sensing surface of the image sensor is a concave surface.
2. The camera module of claim 1, wherein the object-side surface and the image-side surface of the filter are both concave.
3. The camera module of claim 1, wherein the bearing surface of the image sensor is convex or planar.
4. The camera module of claim 3, further comprising:
The support is provided with the optical filter;
The circuit board, be equipped with on the circuit board the support, image sensor establishes on the circuit board.
5. The camera module of claim 4, wherein when the bearing surface of the image sensor is convex,
Be equipped with sensor installation slot part on the circuit board, sensor installation slot part includes and follows image sensor's axial, orientation are kept away from the first slot part and the second slot part of the direction intercommunication of light filter, the cross-sectional area of first slot part is greater than the cross-sectional area of second slot part, image sensor establishes in the first slot part, just image sensor's some of loading surface stretches into in the second slot part.
6. The camera module according to claim 5, wherein the holder is provided with a filter mounting groove portion, and a bottom wall of the filter mounting groove portion is formed with an optical window communicating with the sensor mounting groove portion.
7. The camera module of claim 1, wherein the lens comprises at least one lens, and at least one of an object-side surface and an image-side surface of the lens is aspheric.
8. The camera module of claim 1, wherein the filter is an infrared filter.
9. An imaging apparatus, characterized by comprising the camera module according to any one of claims 1 to 8.
10. An electronic device characterized by comprising the imaging apparatus according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209211.7U CN211184077U (en) | 2020-02-25 | 2020-02-25 | Camera module and imaging device and electronic equipment with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209211.7U CN211184077U (en) | 2020-02-25 | 2020-02-25 | Camera module and imaging device and electronic equipment with same |
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| CN211184077U true CN211184077U (en) | 2020-08-04 |
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| CN202020209211.7U Active CN211184077U (en) | 2020-02-25 | 2020-02-25 | Camera module and imaging device and electronic equipment with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112532942A (en) * | 2020-11-30 | 2021-03-19 | 黑龙江合师惠教育科技有限公司 | Camera-based educational behavior analysis monitoring equipment and manufacturing method thereof |
| CN112882187A (en) * | 2021-01-29 | 2021-06-01 | 维沃移动通信有限公司 | Lens module and electronic equipment |
| WO2022073384A1 (en) * | 2020-10-09 | 2022-04-14 | Oppo广东移动通信有限公司 | Camera module and electronic device having same |
-
2020
- 2020-02-25 CN CN202020209211.7U patent/CN211184077U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022073384A1 (en) * | 2020-10-09 | 2022-04-14 | Oppo广东移动通信有限公司 | Camera module and electronic device having same |
| CN112532942A (en) * | 2020-11-30 | 2021-03-19 | 黑龙江合师惠教育科技有限公司 | Camera-based educational behavior analysis monitoring equipment and manufacturing method thereof |
| CN112532942B (en) * | 2020-11-30 | 2021-08-10 | 黑龙江合师惠教育科技有限公司 | Image sensor device, manufacturing method thereof, camera and educational behavior analysis monitoring equipment |
| CN112882187A (en) * | 2021-01-29 | 2021-06-01 | 维沃移动通信有限公司 | Lens module and electronic equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 330000 no.1404 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Jingrun optics Co.,Ltd. Address before: 330000 Photoelectric Industrial Park to the East of College Sixth Road and South of Tianxiang Avenue, Nanchang High-tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Nanchang Oufei Jingrun Technology Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210622 Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee after: Guangzhou delta Imaging Technology Co.,Ltd. Address before: 330000 no.1404 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Jiangxi Jingrun optics Co.,Ltd. |
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| TR01 | Transfer of patent right |