CN113382129B - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
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- CN113382129B CN113382129B CN202010115551.8A CN202010115551A CN113382129B CN 113382129 B CN113382129 B CN 113382129B CN 202010115551 A CN202010115551 A CN 202010115551A CN 113382129 B CN113382129 B CN 113382129B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Abstract
The disclosure relates to a camera module and an electronic device. The camera module comprises a lens, an image sensor and a first reflection assembly, wherein the first reflection assembly is used for forming an optical transmission path between the lens and the image sensor so as to reflect incident light rays from the lens to the image sensor; the first reflection group includes a movable reflection unit for changing a length of the optical transmission path, and a path length variation amount of the optical transmission path is larger than a displacement variation amount of the movable reflection unit.
Description
Technical Field
The disclosure relates to the technical field of terminals, and in particular relates to a camera module and electronic equipment.
Background
With the increasing competition in the market, various manufacturers are focusing on various functions of powerful electronic devices, especially photographing functions of electronic devices. In order to improve the definition of the electronic equipment when shooting a long-distance object, each large manufacturer often configures a long-focus lens. However, there is a problem that the space available for zooming in the electronic device is limited, and how to coordinate the space in the electronic device with the zooming requirement of the electronic device is a problem that a designer needs to think.
Disclosure of Invention
The disclosure provides a camera module and electronic equipment to solve the deficiency in the related art.
According to a first aspect of embodiments of the present disclosure, there is provided a method comprising forming an optical transmission path between a lens and an image sensor to reflect incident light from the lens to the image sensor;
the first reflection assembly includes a movable reflection unit for changing a length of the optical transmission path, and a path length variation of the optical transmission path is greater than a displacement variation of the movable reflection unit.
Optionally, a plane on which a light incident surface of the image sensor is located is parallel to or perpendicular to an outgoing light ray of the lens, the outgoing light ray corresponding to each reflecting surface of the movable reflecting unit is perpendicular to the incoming light ray, and a path length variation of the optical transmission path is an integer multiple of a displacement variation of the movable reflecting unit.
Optionally, the light path formed by the movable reflection unit is symmetrical.
Optionally, the movable reflective unit includes at least one triangular prism.
Optionally, the light from the lens is reflected to the image sensor by the at least one prism, and the translation direction of the movable reflection unit is parallel or perpendicular to the extending direction of the light emitted from the lens.
Optionally, the translation direction of the movable reflection unit is parallel to the extending direction of the light rays emitted by the lens, the movable reflection unit includes a first isosceles right triangle prism, and the hypotenuse of the first isosceles right triangle prism is arranged towards the lens and is perpendicular to the extending direction of the light rays emitted by the lens.
Optionally, the translation direction of the movable reflection unit is parallel to the extending direction of the light rays emitted by the lens, and the movable reflection unit comprises a first isosceles right triangular prism and a second isosceles right triangular prism;
the light rays emitted by the lens are reflected to the hypotenuse of the second isosceles right triangular prism by the hypotenuse of the first isosceles right triangular prism, and are reflected to the image sensor by the hypotenuse of the second isosceles right triangular prism.
Optionally, the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted by the lens, the movable reflection unit comprises a first isosceles prism, and the camera module further comprises a second isosceles right prism and a first reflecting mirror;
the light rays emitted by the lens are reflected to the first right-angle side of the first isosceles right-angle prism by the hypotenuse of the second isosceles right-angle prism, reflected to the second right-angle side of the first isosceles right-angle prism by the first right-angle side, reflected to the first reflecting mirror by the second right-angle side, and reflected to the image sensor by the first reflecting mirror.
Optionally, the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted by the lens, the movable reflection unit comprises a first isosceles right-angle prism, and the camera module further comprises a first reflecting mirror and a second reflecting mirror;
the light rays emitted by the lens are reflected to the first right-angle side of the first isosceles right-angle triangular prism by the first reflecting mirror, reflected to the second right-angle side of the first isosceles right-angle triangular prism by the first right-angle side, reflected to the second reflecting mirror by the second right-angle side and reflected to the image sensor by the second reflecting mirror.
Optionally, the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted by the lens, the movable reflection unit comprises a first isosceles right-angle prism and a second isosceles right-angle prism, and the camera module further comprises a first reflector;
the light rays emitted by the lens are reflected to the hypotenuse of the first isosceles right triangular prism by the first reflecting mirror, reflected to the hypotenuse of the second isosceles right triangular prism by the hypotenuse of the first isosceles right triangular prism, and reflected to the image sensor by the hypotenuse of the second isosceles right triangular prism.
Optionally, the movable reflecting unit includes at least two reflecting mirrors.
Optionally, the movable reflecting unit comprises two reflecting mirrors, the plane of the movable reflecting unit is optional, and the translation direction of the movable reflecting unit is parallel to the extending direction of the light rays emitted by the lens;
the movable reflecting unit comprises a third reflecting mirror and a fourth reflecting mirror, and light rays emitted by the lens are reflected to the fourth reflecting mirror by the third reflecting mirror and are reflected by the fourth reflecting mirror and then are incident to the image sensor.
Optionally, the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted by the lens, the movable reflection unit comprises a third reflection mirror and a fourth reflection mirror, and the camera module further comprises a first reflection mirror and a second reflection mirror;
light rays emitted by the lens are reflected to the third reflector through the first reflector, reflected to the fourth reflector through the third reflector, reflected to the second reflector through the fourth reflector and reflected to the image sensor through the second reflector.
Optionally, the movable reflecting unit includes at least one prism and at least one mirror.
Optionally, the translation direction of the movable reflection unit is parallel to the extending direction of the light rays emitted by the lens.
Optionally, the movable reflection unit includes a first isosceles right triangle prism and a third mirror, and the light emitted by the lens is reflected to the third mirror by the hypotenuse of the first isosceles right triangle prism and is reflected to the image sensor by the third mirror;
or, the light emitted by the lens is reflected to the hypotenuse of the first isosceles right triangle prism by the third reflector, and is reflected to the image sensor by the hypotenuse of the first isosceles right triangle prism.
Optionally, the camera module further includes a second reflection component, where the second reflection component is configured to receive external light and reflect the external light to the lens.
According to a second aspect of embodiments of the present disclosure, there is provided an electronic device including a camera module according to any one of the embodiments described above.
Optionally, the electronic device further includes:
and the processor is used for generating a driving instruction according to the focusing instruction, and the driving instruction is used for driving the movable reflection unit of the camera module to move so as to focus.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
as can be seen from the above embodiments, in the present disclosure, the change of the path length of the optical transmission path from the lens to the image sensor is achieved through the displacement change of the movable reflection unit, and since the change of the path length is greater than the displacement change of the movable reflection unit, when the same focal length is adjusted, the space requirement in the electronic device can be reduced, which is beneficial to achieving longer optical zoom.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is one of schematic structural diagrams of a camera module according to an exemplary embodiment.
Fig. 2 is a second schematic diagram of a camera module according to an exemplary embodiment.
Fig. 3 is a third schematic diagram of a camera module according to an exemplary embodiment.
Fig. 4 is a schematic diagram of a camera module according to an exemplary embodiment.
Fig. 5 is a schematic diagram of a camera module according to an exemplary embodiment.
Fig. 6 is a schematic diagram of a camera module according to an exemplary embodiment.
Fig. 7 is a diagram showing a structure of a camera module according to an exemplary embodiment.
Fig. 8 is a schematic diagram of a camera module according to an exemplary embodiment.
Fig. 9 is a diagram illustrating a camera module according to an exemplary embodiment.
Fig. 10 is a schematic view of a camera module according to an exemplary embodiment.
Fig. 11 is a schematic diagram of a camera module according to an exemplary embodiment.
Fig. 12 is a schematic diagram showing a structure of an electronic device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
Fig. 1 is one of schematic structural diagrams of a camera module 100 according to an exemplary embodiment. As shown in fig. 1, the camera module 100 may include a lens 1, a first reflection assembly 2, and an image sensor 3. The first reflecting member 2 is used to form an optical transmission path between the lens 1 and the image sensor 3, thereby reflecting incident light from the lens 1 to the image sensor 3 for further imaging. The first reflecting assembly 2 may include a movable reflecting unit 2, the movable reflecting unit 2 may be used to change the length of an optical transmission path, and the path length change amount of the optical transmission path is larger than the displacement change amount of the movable reflecting unit 2. As shown in fig. 1, when the movable reflection unit 2 is shifted from the position where the solid line is located to the position where the broken line is located by a distance L, the optical transmission path also increases correspondingly, as the path length of the optical transmission path changes by twice the shift distance of the movable reflection unit 2 in fig. 2, that is, by 2L. In this embodiment, the movable reflection unit 2 is only translated in the top-to-bottom direction in fig. 1, but in other embodiments, it is naturally also possible to translate from bottom to top, which is not limited by the present disclosure.
As can be seen from the above embodiments, in the present disclosure, the change of the path length of the optical transmission path from the lens 1 to the image sensor 3 is achieved by the displacement change of the movable reflection unit 2, and since the change of the path length is larger than the displacement change of the movable reflection unit 2, the space requirement in the electronic device can be reduced when the same focal length is adjusted, which is advantageous for achieving longer optical zoom.
However, since the incident angle of the light ray may be changed according to the setting angle of the reflecting surface, for example, fig. 1 illustrates that the incident angle and the reflecting angle of the light ray are both 45 °. In another embodiment, as shown in fig. 2, the incident angle of the light may be other than 45 °, for example, 30 ° or 40 °, so that the path length of the optical transmission path may still be changed when the movable reflection unit 2 moves. Compared with the embodiment shown in fig. 2, the technical solution of the embodiment shown in fig. 1 is easier to determine the changing length of the optical transmission path, which is beneficial to realizing focusing accuracy.
Still referring to fig. 1, the plane of the light incident surface of the image sensor 3 is parallel to the outgoing light of the lens 1, and the outgoing light of each reflecting surface of the movable reflecting unit 2 is perpendicular to the incoming light, so that when the movable reflecting unit 2 moves, the path length variation of the optical transmission path is an integer multiple of the displacement variation of the movable reflecting unit 2, thereby reducing the focusing difficulty and being beneficial to improving the focusing accuracy. As shown in fig. 1, the path length variation of the optical transmission path is twice the displacement variation of the movable reflection unit 2, and in another embodiment, as shown in fig. 3, the plane of the light incident surface of the image sensor 3 is perpendicular to the outgoing light of the lens 1, and the outgoing light and the incoming light of each reflection surface of the movable reflection unit 2 are perpendicular, so that when the movable reflection unit 2 moves, the path length variation of the optical transmission path is three times the displacement variation of the movable reflection unit 2. Fig. 1 and 3 are merely illustrative, and in practice, the path length variation of the optical transmission path may be twice or three times, or other multiple relation, of the displacement variation of the movable reflection unit 2, regardless of whether the plane on which the light incident surface of the image sensor 3 is located is parallel or perpendicular to the outgoing light of the lens 1.
Further, as shown in fig. 4, the light paths of the movable reflection unit 2 may be symmetrical, as shown in fig. 4, the incident light of the movable reflection unit 2 is reflected twice to obtain an outgoing light, and the outgoing light and the incident light are parallel, and the optical paths are symmetrically arranged, so that the light is not moved in a direction perpendicular to the focusing axis during focusing.
According to the technical scheme of the disclosure, since the camera module 100 can be applied to an electronic device, and the thickness of the electronic device is limited, as shown in fig. 4, the camera module 100 can further include a second reflection assembly 4, and the second reflection assembly 4 can be used for receiving external light and reflecting the external light to the lens 1, so that the lens 1 can be arranged along a direction perpendicular to the thickness of the electronic device, which is beneficial to lengthening the focusing space of the camera module 100 and reducing the thickness requirement on the electronic device.
The movable reflection unit 2 in the technical solution of the present disclosure may have various structures, which may be one or more of triple prisms and mirrors, and the number of triple prisms and mirrors may be one or more, respectively, which will be described in a specific embodiment below.
In an embodiment, the light from the lens 1 is reflected to the image sensor 2 by at least one prism included in the movable reflection unit 2, and the translation direction of the movable reflection unit 2 is parallel or perpendicular to the extending direction of the light emitted from the lens 1, which is beneficial to adapting to the space structure in the electronic device and improving the space utilization rate. The following will take several examples as illustrative examples:
as shown in fig. 1, the translation direction of the movable reflection unit 2 is perpendicular to the extending direction of the light rays emitted from the lens 1, the movable reflection unit 2 includes a first isosceles right triangular prism 21 and a second isosceles right triangular prism 22, and the camera module 100 may further include a first reflecting mirror 5. In addition, the light emitted from the lens 1 may be reflected by the first reflecting mirror 5 to the hypotenuse of the first isosceles right triangular prism 21, reflected by the hypotenuse of the first isosceles right triangular prism 21 to the hypotenuse of the second isosceles right triangular prism 22, and reflected by the hypotenuse of the second isosceles right triangular prism 22 to the image sensor for imaging, so that the space requirement in the direction parallel to the light emitted from the lens 1 in the electronic device may be reduced.
As shown in fig. 4, the translation direction of the movable reflection unit 2 is perpendicular to the extending direction of the light emitted from the lens 1, the movable reflection unit 2 includes a first isosceles right triangular prism 21, and the camera module 100 further includes a second isosceles right triangular prism 6 and a first reflecting mirror 5. The light rays emitted from the lens 1 are reflected by the hypotenuse of the second isosceles right triangular prism 6 to the first right angle side 211 of the first isosceles right triangular prism 21, reflected by the first right angle side 211 to the second right angle side 212 of the first isosceles right triangular prism 21, reflected by the second right angle side 212 to the first reflecting mirror 5, and reflected by the first reflecting mirror 5 to the image sensor 5 for imaging.
As shown in fig. 5, the translation direction of the movable reflection unit 2 is parallel to the extending direction of the light rays emitted from the lens 1, and the movable reflection unit 2 includes a first isosceles right triangle prism 21, and the hypotenuse of the first isosceles right triangle prism 21 is disposed toward the lens 1 and perpendicular to the extending direction of the light rays emitted from the lens 1. Based on this, the light emitted from the lens 1 can be reflected by one right-angle side of the first isosceles right triangular prism 21 to the other right-angle side, and reflected by the other right-angle side to the image sensor 3 for imaging.
As shown in fig. 6, the translation direction of the movable reflection unit 2 is parallel to the extending direction of the light rays emitted from the lens 1, and the movable reflection unit 2 includes a first isosceles right triangular prism 21 and a second isosceles right triangular prism 22. The light rays emitted from the lens 1 are reflected by the hypotenuse of the first isosceles right triangular prism 21 to the hypotenuse of the second isosceles right triangular prism 22, and are reflected by the hypotenuse of the second isosceles right triangular prism 22 to the image sensor 3 for imaging.
As shown in fig. 7, the translation direction of the movable reflection unit 2 is perpendicular to the extending direction of the light emitted from the lens 1, the movable reflection unit 2 includes a first isosceles right triangular prism 21, and the camera module 100 may further include a first mirror 5 and a second mirror 7. The light rays emitted from the lens 1 are reflected by the first reflecting mirror 5 to the first right-angle side 211 of the first isosceles right-angle prism 21, reflected by the first right-angle side 211 to the second right-angle side 212 of the first isosceles right-angle prism 21, reflected by the second right-angle side 212 to the second reflecting mirror 6, and reflected by the second reflecting mirror 7 to the image sensor 3 for imaging.
In another embodiment, the movable reflecting unit 2 may include at least two mirrors, and the optical path of the movable reflecting unit 2 is constituted by the at least two mirrors. For example, the movable reflecting unit 2 may include two or four reflecting mirrors, and the visiting angle and position of each reflecting mirror may be determined according to specific requirements, which is not limited by the present disclosure. For example, the movable reflection unit 2 includes two mirrors, and the translation direction of the movable reflection unit 2 is parallel or perpendicular to the extending direction of the light emitted by the lens 1, which is beneficial to adapting to the space structure in the electronic device and improving the space utilization.
As shown in fig. 8, the translation direction of the movable reflection unit 2 is parallel to the extending direction of the light rays emitted from the lens 1; the movable reflection unit 2 includes a third mirror 23 and a fourth mirror 24, and the light emitted from the lens 1 is reflected by the third mirror 23 to the fourth mirror 24 and is reflected by the fourth mirror 24 to be incident on the image sensor 3 for imaging.
As shown in fig. 9, the translation direction of the movable reflection unit 2 is perpendicular to the extending direction of the light rays emitted from the lens 1, the movable reflection unit 2 includes a third mirror 23 and a fourth mirror 24, and the camera module may further include a first mirror 5 and a second mirror 7. The light emitted from the lens 1 is reflected by the first mirror 5 to the third mirror 23, reflected by the third mirror 23 to the fourth mirror 24, reflected by the fourth mirror 24 to the second mirror 7, and reflected by the second mirror 7 to the image sensor for imaging.
In another embodiment, the movable reflecting unit 2 may include at least one triple prism and at least one mirror. The translation direction of the movable reflection unit 2 is parallel to the extending direction of the light rays emitted from the lens 1.
As shown in fig. 10, the movable reflection unit 2 may include a first isosceles right triangle prism 21 and a third reflection mirror 23, and light rays emitted from the lens 1 are reflected to the third reflection mirror 23 via the hypotenuse of the first isosceles right triangle prism 21 and reflected to the image sensor 3 via the third reflection mirror 23 for imaging. Alternatively, as shown in fig. 11, the light emitted from the lens 1 is reflected by the third reflecting mirror 23 to the hypotenuse of the first isosceles right triangular prism 21, and is reflected by the hypotenuse of the first isosceles right triangular prism 21 to the image sensor 3 for imaging. Of course, in addition to the embodiment in which the movable reflection unit 2 includes one mirror and one prism in fig. 10 and 11, the movable reflection unit 2 may include two or more mirrors, and similarly, the movable reflection unit 2 may include two or more prisms, which may be designed as needed, and the present disclosure is not limited thereto.
Based on the technical solution of the present disclosure, as shown in fig. 12, an electronic device 200 is further provided, where the electronic device 200 may include the camera module 100 described in any one of the foregoing embodiments. The electronic device 200 may further include a processor 201, where the processor 201 may generate a driving instruction according to the focusing instruction, where the driving instruction is used to drive the movable reflection unit 2 of the camera module 1 to move, so as to implement focusing and obtain clear image information.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (19)
1. A camera module, comprising a lens, an image sensor, a first reflecting component and a second reflecting component, wherein the first reflecting component is used for forming an optical transmission path between the lens and the image sensor so as to reflect incident light rays from the lens to the image sensor;
the first reflection assembly comprises a movable reflection unit, wherein the movable reflection unit is used for changing the length of the optical transmission path, and the path length variation of the optical transmission path is larger than the displacement variation of the movable reflection unit; the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted by the lens;
the second reflection assembly is used for receiving external light and reflecting the external light to the lens;
the lens is arranged along the direction perpendicular to the thickness of the electronic equipment; the movable reflecting unit comprises three reflecting surfaces which are arranged along the direction parallel to the light rays emitted by the lens, and the emitted light rays of each reflecting surface are perpendicular to the incident light rays;
the camera module further comprises three reflectors which are arranged along the direction of the light rays emitted by the lens, wherein the three reflectors are respectively aligned with one reflecting surface in the direction perpendicular to the light rays emitted by the lens, and the reflecting surfaces of the reflectors which are aligned with each other are parallel to the reflecting surfaces; light rays emitted by the lens are transmitted between the reflecting surface of the reflecting mirror and the reflecting surface in sequence and then transmitted to the image sensor for imaging; when the movable reflection unit moves, the path length variation of the optical transmission path is three times the displacement variation of the movable reflection unit.
2. The camera module according to claim 1, wherein a plane on which a light incident surface of the image sensor is located is parallel to or perpendicular to an outgoing light ray of the lens, the outgoing light ray corresponding to each reflecting surface of the movable reflecting unit is perpendicular to the incoming light ray, and a path length variation of the optical transmission path is an integer multiple of a displacement variation of the movable reflecting unit.
3. The camera module of claim 2, wherein the movable reflective unit forms a symmetrical light path.
4. The camera module of claim 1, wherein the movable reflective unit comprises at least one triangular prism.
5. The camera module according to claim 4, wherein the light from the lens is reflected by the at least one prism to the image sensor, and the translation direction of the movable reflection unit is parallel or perpendicular to the extending direction of the light emitted from the lens.
6. The camera module according to claim 5, wherein the translation direction of the movable reflection unit is parallel to the extending direction of the light emitted from the lens, the movable reflection unit includes a first isosceles right triangle prism, and the hypotenuse of the first isosceles right triangle prism is disposed toward the lens and perpendicular to the extending direction of the light emitted from the lens.
7. The camera module according to claim 5, wherein a translation direction of the movable reflection unit is parallel to an extending direction of light rays emitted from the lens, and the movable reflection unit includes a first isosceles right triangular prism and a second isosceles right triangular prism;
the light rays emitted by the lens are reflected to the hypotenuse of the second isosceles right triangular prism by the hypotenuse of the first isosceles right triangular prism, and are reflected to the image sensor by the hypotenuse of the second isosceles right triangular prism.
8. The camera module of claim 5, wherein the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted from the lens, the movable reflection unit comprises a first isosceles right triangle prism, and the camera module further comprises a second isosceles right triangle prism and a first reflector;
the light rays emitted by the lens are reflected to the first right-angle side of the first isosceles right-angle prism by the hypotenuse of the second isosceles right-angle prism, reflected to the second right-angle side of the first isosceles right-angle prism by the first right-angle side, reflected to the first reflecting mirror by the second right-angle side, and reflected to the image sensor by the first reflecting mirror.
9. The camera module according to claim 5, wherein the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted from the lens, the movable reflection unit comprises a first isosceles right triangle prism, and the camera module further comprises a first mirror and a second mirror;
the light rays emitted by the lens are reflected to the first right-angle side of the first isosceles right-angle triangular prism by the first reflecting mirror, reflected to the second right-angle side of the first isosceles right-angle triangular prism by the first right-angle side, reflected to the second reflecting mirror by the second right-angle side and reflected to the image sensor by the second reflecting mirror.
10. The camera module according to claim 5, wherein the translation direction of the movable reflection unit is perpendicular to the extending direction of the light rays emitted from the lens, the movable reflection unit includes a first isosceles right triangle prism and a second isosceles right triangle prism, and the camera module further includes a first reflecting mirror;
the light rays emitted by the lens are reflected to the hypotenuse of the first isosceles right triangular prism by the first reflecting mirror, reflected to the hypotenuse of the second isosceles right triangular prism by the hypotenuse of the first isosceles right triangular prism, and reflected to the image sensor by the hypotenuse of the second isosceles right triangular prism.
11. The camera module of claim 1, wherein the movable reflective unit comprises at least two mirrors.
12. The camera module according to claim 11, wherein the movable reflection unit comprises two mirrors, and a translation direction of the movable reflection unit is parallel or perpendicular to an extending direction of the light rays emitted from the lens.
13. The camera module according to claim 12, wherein a translation direction of the movable reflection unit is parallel to an extending direction of the light rays emitted from the lens;
the movable reflecting unit comprises a third reflecting mirror and a fourth reflecting mirror, and light rays emitted by the lens are reflected to the fourth reflecting mirror by the third reflecting mirror and are reflected by the fourth reflecting mirror and then are incident to the image sensor.
14. The camera module of claim 12, wherein the translation direction of the movable reflecting unit is perpendicular to the extending direction of the light rays emitted from the lens, the movable reflecting unit comprises a third reflecting mirror and a fourth reflecting mirror, and the camera module further comprises a first reflecting mirror and a second reflecting mirror;
light rays emitted by the lens are reflected to the third reflector through the first reflector, reflected to the fourth reflector through the third reflector, reflected to the second reflector through the fourth reflector and reflected to the image sensor through the second reflector.
15. The camera module of claim 1, wherein the movable reflective unit comprises at least one prism and at least one mirror.
16. The camera module of claim 15, wherein a translation direction of the movable reflective unit is parallel to an extension direction of the light exiting the lens.
17. The camera module of claim 16, wherein the movable reflection unit comprises a first isosceles right triangle prism and a third mirror, and light rays emitted from the lens are reflected to the third mirror through a hypotenuse of the first isosceles right triangle prism and reflected to the image sensor through the third mirror;
or, the light emitted by the lens is reflected to the hypotenuse of the first isosceles right triangle prism by the third reflector, and is reflected to the image sensor by the hypotenuse of the first isosceles right triangle prism.
18. An electronic device comprising a camera module according to any one of claims 1-17.
19. The electronic device of claim 18, wherein the electronic device further comprises:
and the processor is used for generating a driving instruction according to the focusing instruction, and the driving instruction is used for driving the movable reflection unit of the camera module to move so as to focus.
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| JP2006171449A (en) * | 2004-12-16 | 2006-06-29 | Casio Comput Co Ltd | Imaging apparatus and electronic camera |
| CN110737077A (en) * | 2019-11-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Optical lens and electronic device |
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| US20080144171A1 (en) * | 2006-12-15 | 2008-06-19 | Nokia Corporation | Optical zoom system and devices having same |
| KR102143631B1 (en) * | 2013-12-12 | 2020-08-11 | 삼성전자주식회사 | Zoom lens and image pickup apparatus including the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006171449A (en) * | 2004-12-16 | 2006-06-29 | Casio Comput Co Ltd | Imaging apparatus and electronic camera |
| CN110737077A (en) * | 2019-11-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Optical lens and electronic device |
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| CN113382129A (en) | 2021-09-10 |
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