CN107241473B

CN107241473B - Camera module and electronic equipment

Info

Publication number: CN107241473B
Application number: CN201710644136.XA
Authority: CN
Inventors: 范奇文
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2023-06-09
Anticipated expiration: 2037-07-31
Also published as: CN107241473A

Abstract

The embodiment of the utility model provides a camera module and electronic equipment. The camera module comprises: at least one front lens, at least one rear lens, a photosensitive component and a driving component; the photosensitive component is provided with a first photosensitive surface and a second photosensitive surface which are oppositely arranged; the first light sensitive surface is opposite to the at least one front lens and is used for converting optical signals acquired by the at least one front lens into electric signals; the second light sensitive surface is opposite to the at least one rear lens and is used for converting the optical signals acquired by the at least one rear lens into electric signals; the driving component is connected with the photosensitive component and is used for driving the photosensitive component to move so as to adjust the distance between the first photosensitive surface and the front lens to realize front shooting; and adjusting the distance between the second light sensitive surface and the rear lens to realize rear shooting.

Description

Camera module and electronic equipment

Technical Field

The present utility model relates to the field of communications, and in particular, to a camera module and an electronic device.

Background

With the development of terminal technology, mobile terminals have begun to simply provide telephony devices from the past to a platform for general-purpose software operation. The platform does not provide call management as a main purpose, but provides an operation environment comprising various application software such as call management, game entertainment, office notes, mobile payment and the like, and with a great deal of popularization, the platform has penetrated into aspects of life and work of people.

Existing mobile terminals generally have front cameras and rear cameras, and the two cameras occupy a large space and are low in cost.

Disclosure of Invention

The embodiment of the utility model provides a camera module and electronic equipment, which can reduce one photosensitive assembly, thereby reducing the cost.

The embodiment of the utility model provides a camera module, which comprises: at least one front lens, at least one rear lens, a photosensitive component and a driving component;

the photosensitive component is provided with a first photosensitive surface and a second photosensitive surface which are oppositely arranged;

the first light sensitive surface is opposite to the at least one front lens and is used for converting optical signals acquired by the at least one front lens into electric signals;

the second light sensitive surface is opposite to the at least one rear lens and is used for converting the optical signals acquired by the at least one rear lens into electric signals;

the driving component is connected with the photosensitive component and is used for driving the photosensitive component to move so as to adjust the distance between the first photosensitive surface and the front lens to realize front shooting; and adjusting the distance between the second light sensitive surface and the rear lens to realize rear shooting.

The embodiment of the utility model provides electronic equipment, which comprises a shell, a camera module and a circuit board, wherein the circuit board is arranged in the shell, the camera module is arranged on the shell and is electrically connected with the circuit board, and the camera module is any one of the camera modules.

According to the embodiment of the utility model, the front lens and the rear lens share one photosensitive assembly, so that the space can be saved and the cost can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a first structure of a camera module according to an embodiment of the utility model.

Fig. 3 is a schematic diagram of another structure of an electronic device according to an embodiment of the utility model.

Fig. 4 is a schematic diagram of a second structure of a camera module according to an embodiment of the utility model.

Fig. 5 is a schematic diagram of a third structure of a camera module according to an embodiment of the utility model.

Fig. 6 is a schematic diagram of a fourth structure of a camera module according to an embodiment of the utility model.

Fig. 7 is a schematic diagram of a fifth structure of a camera module according to an embodiment of the utility model.

Fig. 8 is a schematic diagram of a sixth structure of a camera module according to an embodiment of the utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The embodiment of the utility model provides electronic equipment. The electronic device can be a smart phone, a tablet computer and the like. Referring to fig. 1, an electronic device 100 includes a cover plate 101, a display screen 102, a circuit board 103, a housing 104, and a camera module 105.

Wherein the cover plate 101 is mounted to the display screen 102 to cover the display screen 102. The cover plate 101 may be a transparent glass cover plate. In some embodiments, cover plate 101 may be a glass cover plate made of a material such as sapphire.

The display screen 102 is mounted on the housing 104 to form a display surface of the electronic device 100. The display screen 102 may include a display area 102A and a non-display area 102B. The display area 102A is used to display information such as images and text. The non-display area 102B does not display information. The bottom of the non-display area 102B may be provided with functional components such as a fingerprint module and a touch circuit.

The circuit board 103 is mounted inside the housing 104. The circuit board 103 may be a circuit board of the electronic device 100. The circuit board 103 may have integrated thereon functional components such as a proximity sensor and a processor. Meanwhile, the display screen 102 may be electrically connected to the circuit board 103.

Referring to fig. 2, the camera module 105 is mounted in the housing 104 and protrudes out of the housing 104.

The camera module 105 includes a base 51, at least one front lens 52, at least one rear lens 53, a photosensitive assembly 54, and a driving assembly 55.

Wherein the at least one front lens 52 and the at least one rear lens 53 are respectively mounted at two ends of the base 51. The photosensitive assembly 54 and the driving assembly 55 are mounted in the base 51. The photosensitive assembly 54 has a first photosensitive surface 54a and a second photosensitive surface 54b disposed opposite to each other; the first photosensitive surface 54a is opposite to the front lens 52, and is used for converting the optical signal collected by the at least one front lens 52 into an electrical signal; the second photosensitive surface 54b is opposite to the at least one rear lens 53, and is configured to convert an optical signal collected by the at least one rear lens 53 into an electrical signal. The driving component 55 is connected with the photosensitive component 54 and is used for driving the photosensitive component 54 to move so as to adjust the distance between the first photosensitive surface 54a and the front lens 52 to realize front shooting; and adjusting the distance between the second photosensitive surface 54b and the rear lens 53 to realize rear photographing.

Specifically, the base 51 has a first end 51a and a second end 51b facing each other. The base 52 is substantially hollow and rectangular to form a photosensitive cavity 511 in the base 52. It will be appreciated that the base 52 may also be in the form of a hollow barrel.

In the present embodiment, the number of front lenses 52 is one, and the number of rear lenses 53 is one. The front lens 52 is disposed on the first end 51a of the base 51, and the rear lens 53 is symmetrically disposed on the second end 51b of the base 51. The front lens 52 and the rear lens 53 are used for collecting optical signals emitted by external objects.

The photosensitive assembly 54 is used for converting the optical signals collected by the front lens 52 or the rear lens 53 into electrical signals, and thus converting the electrical signals into image signals of an object.

The photosensitive assembly 54 includes a substrate 54, a first photosensitive element array 54a and a second photosensitive element array 54b.

The first photosensitive element array 54a is disposed on the first surface of the substrate 54 to form a first photosensitive surface. The first photosensitive element array 54a includes a plurality of photosensitive elements distributed in an array, and the photosensitive elements may be CMOS photosensitive elements, which is not limited thereto.

The second photosensitive element array 54b is disposed on the second surface of the substrate 54 to form a second photosensitive surface. The second photosensitive element array 54b includes a plurality of photosensitive elements distributed in an array, and the photosensitive elements may be CMOS photosensitive elements, which is not limited thereto.

Wherein in some embodiments the drive assembly 55 comprises a first electrostrictive liner 55a, a second electrostrictive liner 55b, and a drive circuit. The driving unit 55 is electrically connected to the first and second

electrostrictive pads

55a and 55 b.

One end of the first electrostrictive liner 55a is in contact with the first surface of the substrate 54, and the other end is in contact with the inner wall surface of the first end 51a of the base 51. One end of the second electrostrictive liner 55b is in contact with the second surface of the substrate 51, and the other end is in contact with the inner wall surface of the second end 51b of the base 51.

When front-end image capturing is required, the driving circuit outputs a first predetermined voltage to the first electrostriction pad 55a and outputs a second predetermined voltage to the second electrostriction pad 55b, so that the thickness of the first electrostriction pad 55a is a first preset thickness, and the thickness of the second electrostriction pad 55b is a second preset thickness, thereby enabling the distance between the front lens 52 and the first photosurface to meet the requirement of front-end image capturing, and the first photosurface converts the optical signals collected by the front lens 52 into electrical signals, thereby generating image signals.

When the rear-end image capturing is required, the driving circuit outputs a third predetermined voltage to the first electrostriction pad 55a and outputs a fourth predetermined voltage to the second electrostriction pad 55b, so that the thickness of the first electrostriction pad 55a is a third preset thickness, and the thickness of the second electrostriction pad 55b is a fourth preset thickness, thereby enabling the distance between the rear-end lens 53 and the second photosensitive surface to meet the requirement of the rear-end image capturing, and the second photosensitive surface converts the optical signals collected by the rear-end lens into electrical signals, thereby generating image signals.

Further, in some embodiments, the first electrostrictive liner 55a and the second electrostrictive liner 55b are annular, and the first electrostrictive liner 55a and the second electrostrictive liner 55b are respectively arranged along the inner side wall of the photosensitive cavity 511.

It will be appreciated that the drive assembly 55 may take other forms. For example, motor driving is adopted.

Referring to fig. 3 and 4, in some embodiments, the number of rear lenses 53 is increased to two based on the embodiments shown in fig. 1 and 2. The two rear lenses 53 are a first rear lens 53a and a second rear lens 53b, respectively.

Further, the second photosensitive surface 54b of the photosensitive member 54 has a third region and a fourth region. The third area corresponds to the first rear lens 53a to convert the optical signal collected by the first rear lens 53a into an electrical signal; the fourth region corresponds to the second rear lens 53b to convert the optical signal collected by the second rear lens 53b into an electrical signal.

Referring to fig. 5, in some embodiments, the number of front lenses 52 is increased to two based on the embodiment shown in fig. 2. The two front lenses 52 include a first front lens 52a and a second front lens 52b, respectively.

Further, the first photosensitive surface 54a of the photosensitive assembly 54 has a first area and a second area, and the first area corresponds to the first front lens 52a to convert the optical signal collected by the first front lens 52a into an electrical signal; the second region corresponds to the second front lens 52b to convert the optical signals collected by the second front lens 52b into electrical signals.

Referring to fig. 6, in some embodiments, the number of front lenses 52 of the camera module 105 is 2, and the number of rear lenses 53 is 2 based on the embodiment shown in fig. 2.

The second photosensitive surface 54b of the photosensitive member 54 has a third region and a fourth region. The third area corresponds to the first rear lens 53a to convert the optical signal collected by the first rear lens 53a into an electrical signal; the fourth region corresponds to the second rear lens 53b to convert the optical signal collected by the second rear lens 53b into an electrical signal.

Referring to fig. 7, in some embodiments, the embodiment of fig. 4 is based on the embodiment of fig. 4. The camera module 105 further includes a first light splitting element 56; the first light splitting element 56 is configured to split the optical signal collected by the front lens 52 into two paths of optical signals, and transmit the two paths of optical signals to the first area and the second area, respectively.

Referring to fig. 8, in some embodiments, the embodiment of fig. 5 is based on the embodiment. The camera module 105 further includes a second beam splitter 57; the second photosensitive surface 54b has a third area and a fourth area, and the number of rear lenses 53 is one; the second light splitting element 57 is configured to split the optical signal collected by the rear lens 53 into two optical signals, and transmit the two optical signals to the third area and the fourth area, respectively.

Therefore, in the present embodiment, the front lens and the rear lens share one photosensitive element, so that the cost can be reduced. And the relative position of the photosensitive assembly between the front lens and the rear lens is adjusted by adopting the driving assembly, so that the photosensitive assembly is moved to a position meeting front image pickup when front image pickup is required, and is moved to a position meeting rear image pickup when rear image pickup is required.

In the description of the present specification, reference to the terms "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present utility model has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is defined by the appended claims.

Claims

1. A camera module, comprising: at least one front lens, at least one rear lens, a photosensitive component and a driving component;

the driving component is connected with the photosensitive component and is used for driving the photosensitive component to move so as to adjust the distance between the first photosensitive surface and the front lens to realize front shooting; and adjusting the distance between the second light sensitive surface and the rear lens to realize rear shooting;

the photosensitive assembly further comprises a substrate, a first photosensitive element array and a second photosensitive element array; the first photosensitive element array is arranged on the first surface of the substrate to form the first photosensitive surface; the second photosensitive element array is arranged on the second surface of the substrate to form the second photosensitive surface;

the driving assembly comprises a first electrostriction pad, a second electrostriction pad and a driving circuit;

one end of the first electrostriction liner is in contact with the first light sensing surface, and the other end of the first electrostriction liner is in contact with the front lens; one end of the second electrostriction liner is in contact with the second light sensing surface, and the other end of the second electrostriction liner is in contact with the rear lens;

the driving circuit is electrically connected with the first electrostriction liner and the second electrostriction liner respectively to control the thickness of the first electrostriction liner and the second electrostriction liner, thereby adjusting the distance between the first photosurface and the front lens and the distance between the second photosurface and the rear lens.

2. The camera module of claim 1, further comprising a base, wherein a photosensitive cavity is formed in the base, and the photosensitive assembly and the driving assembly are both disposed in the photosensitive cavity.

3. The camera module of claim 2, wherein the first electrostrictive liner and the second electrostrictive liner are annular, and the first electrostrictive liner and the second electrostrictive liner are respectively arranged along the inner side wall of the photosensitive cavity.

4. The camera module of claim 1, wherein the first photosurface has a first region and a second region, and the at least one front lens comprises a first front lens and a second front lens;

the first area corresponds to the first front lens so as to convert the optical signals acquired by the first front lens into electric signals;

the second area corresponds to the second front lens so as to convert the optical signals acquired by the second front lens into electrical signals.

5. The camera module of claim 1, further comprising a first light splitting element; the first photosensitive surface is provided with a first area and a second area, and the number of the front lenses is one;

the first light splitting element is used for splitting the optical signals acquired by the front lens into two paths of optical signals and transmitting the two paths of optical signals to the first area and the second area respectively.

6. The camera module of claim 1, wherein the second photosurface has a third region and a fourth region, and the at least one rear lens comprises a first rear lens and a second rear lens;

the third area corresponds to the first rear lens so as to convert the optical signals acquired by the first rear lens into electrical signals;

the fourth area corresponds to the second rear lens so as to convert the optical signals acquired by the second rear lens into electrical signals.

7. The camera module of claim 1, further comprising a second light splitting element; the second light sensitive surface is provided with a third area and a fourth area, and the number of the rear lenses is one;

the second light splitting element is configured to split the optical signal collected by the rear lens into two paths of optical signals, and transmit the two paths of optical signals to the third area and the fourth area respectively.

8. An electronic device, comprising a housing, a camera module and a circuit board, wherein the circuit board is disposed in the housing, the camera module is disposed on the housing and electrically connected to the circuit board, and the camera module is the camera module of any one of claims 1-7.