CN210781025U - Camera module and electronic equipment - Google Patents

Abstract

The present application discloses a camera module. The camera module includes a first light turning member, a first lens, a second light turning member, a second lens and an image sensor, and the first light turning member, the first lens and the second light turning member are sequentially arranged along the first direction, The second light turning member, the second lens and the image sensor are arranged in sequence along the second direction, and the second direction and the first direction intersect each other; the light collected by the first light turning member passes through the first lens and the second light turning member in sequence , After the second lens, the image is formed on the image sensor; wherein, both the first light turning member and the second light turning member can turn the incident light to a certain angle and then emit. The camera module provided by the present application includes a plurality of lenses, and the plurality of lenses are arranged in different directions, thereby reducing the length of the camera module. The present application also provides an electronic device including the camera module.

Description

Camera module and electronic equipment

technical field

The present application relates to the field of camera technology, and in particular, to a camera module and an electronic device.

Background technique

With the continuous improvement of people's living standards, consumers have higher and higher requirements on the camera quality of electronic devices (such as mobile phones). Based on the optical system, the greater the number of lenses in the camera module, the higher the imaging quality of the camera module. Therefore, the imaging quality of the camera module is improved by increasing the number of lenses. However, the greater the number of lenses in the camera module, the longer the length of the camera module, which affects the arrangement of the internal components of the electronic device.

Utility model content

The application provides a camera module. The camera module includes a plurality of lenses, and the plurality of lenses are arranged in different directions, so as to avoid placing the plurality of lenses in the same direction, thereby reducing the length of the camera module. The present application also provides an electronic device including the camera module.

In a first aspect, the present application provides a camera module. The camera module includes a first light turning member, a first lens, a second light turning member, a second lens and an image sensor, and the first light turning member, the first lens and the second light turning member are along the first light turning member. Arranged in sequence in one direction, the second light redirecting member, the second lens and the image sensor are arranged in sequence along a second direction, the second direction and the first direction intersecting each other;

The light collected by the first light turning member passes through the first lens, the second light turning member, and the second lens in sequence, and then is imaged on the image sensor; wherein, the first light turning The light redirecting element can convert the collected light to be emitted in the first direction, and the second light redirecting element can convert the light incident from the first direction to be emitted in the second direction.

In one embodiment, the second direction is perpendicular to the first direction, the first light redirecting member is a total reflection prism, and the first light redirecting member is provided with a first surface and a second surface, The first surface and the second surface are perpendicular to each other, the first surface is used for collecting light, and the second surface faces the first lens.

In one embodiment, the second light redirecting member is a total reflection prism, the second light redirecting member is provided with a third surface and a fourth surface, and the third surface and the fourth surface are perpendicular to each other, The third surface faces the first lens, and the fourth surface faces the second lens.

In one embodiment, the camera module further includes a light-transmitting portion, the light-transmitting portion is used for collecting light, and the light-transmitting portion is disposed opposite to the first surface.

In one embodiment, the light-transmitting part includes a filter, and the filter can filter infrared light in the light.

In one embodiment, the first lens includes a first lens and a first voice coil motor, and the first voice coil motor is arranged around the periphery of the first lens.

In one embodiment, the second lens includes a second lens and a second voice coil motor, and the second voice coil motor is arranged around the periphery of the second lens.

In one embodiment, the camera module further includes a moving part, the moving part is connected to the first light redirecting member, and is used for driving the first light redirecting member to move along the first direction.

In one embodiment, when the first light turning member is located at the first position, the distance between the first lens and the first light turning member is a first distance; when the first light turning When the member moves from the first position to the second position, the distance between the first lens and the first light turning member is a second distance, and the second distance is greater than the first distance;

When the first light turning member is located at the second position, the light collected by the first light turning member finally passes through the second lens and is then imaged on the image sensor.

In a second aspect, the present application provides an electronic device. The electronic device includes a casing and the above-mentioned camera module, and the camera module is mounted on the casing.

In the embodiment of the present application, the plurality of lenses (the first lens and the second lens) are respectively placed horizontally and vertically through the plurality of light turning members (the first light turning member and the second light turning member), which avoids the need for The camera module is too long due to multiple lenses placed in the same direction, thereby reducing the length of the camera module.

Description of drawings

In order to illustrate the technical solutions of the present application more clearly, the following briefly introduces the accompanying drawings used in the implementation manner. Obviously, the accompanying drawings in the following description are only some implementations of the present application, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained from these drawings without creative labor.

1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the camera module shown in FIG. 1 in the first embodiment;

3 is a schematic structural diagram of the camera module shown in FIG. 2 at another angle;

4 is a schematic structural diagram of the camera module shown in FIG. 1 in the second embodiment;

5 is a schematic structural diagram of the camera module shown in FIG. 1 in one state in the third embodiment;

6 is a schematic structural diagram of the camera module shown in FIG. 5 in another state;

FIG. 7 is a schematic structural diagram of the electronic device when the camera module in the electronic device is in the state shown in FIG. 6 .

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. The embodiments of the present application and features in the embodiments may be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Please refer to FIG. 1 , which is a schematic structural diagram of an electronic device provided by an embodiment of the present application. The embodiment of the present application provides an electronic device 100 . The electronic device 100 may be a mobile phone, a tablet computer, an electronic reader, a notebook computer, a vehicle-mounted device, a wearable device, or the like. In the embodiments of the present application, the electronic device 100 is taken as an example of a mobile phone for description.

The electronic device 100 includes a casing 101 and a camera module 102 . The camera module 102 is mounted on the casing 101 . The camera module 102 enables the electronic device 100 to realize functions such as capturing images or making instant video calls. The electronic device 100 is provided with a light-transmitting area 103 . The light-transmitting area 103 allows external light to enter the camera module 102 to acquire images.

Please refer to FIG. 2 , which is a schematic structural diagram of the camera module 102 shown in FIG. 1 in the first embodiment. The camera module 102 includes a circuit board 21 , an image sensor 22 and a lens 23 . The image sensor 22 is mounted on the circuit board 21 . The lens 23 is located on the side of the image sensor 22 away from the circuit board 21 .

The circuit board 21 includes a rigid circuit board and a flexible circuit board. The image sensor 22 is mounted on the rigid circuit board, which ensures the stability of the image sensor 22 and improves the reliability of the camera module 102 . The flexible circuit board is used to electrically connect other components in the electronic device 100 . Since the flexible circuit board can be bent and deformed, the circuit board 21 can be fixed to a required place through bending and deformation, which is beneficial to the arrangement of other remote components of the electronic device 100 .

The camera module 102 includes a first light redirecting member 24 and a second light redirecting member 25 . Both the first light redirecting member 24 and the second light redirecting member 25 can transform the incident light by 90 degrees and then emit the light. That is, the first turning member and the second turning member can change the direction of the light path. Wherein, as shown in FIG. 2 , the lens 23 includes a first lens 231 and a second lens 232 . In the embodiment of the present application, the number of lenses 23 is two as an example for description. In other embodiments, the number of lenses 23 may be three or more. That is, in the embodiment of the present application, the number of the lenses 23 is not specifically limited.

Please refer to FIG. 2 and FIG. 3 together. FIG. 3 is a schematic structural diagram of the camera module 102 shown in FIG. 2 from another angle. The first light redirecting member 24 , the first lens 231 and the second light redirecting member 25 are sequentially arranged along the first direction. The second light redirecting member 25 , the second lens 232 and the image sensor 22 are sequentially arranged along the second direction. The second direction and the first direction cross each other. Wherein, the first light redirecting member 24 can convert the collected light to be emitted along the first direction. The second light redirecting member 25 can convert the light incident from the first direction to be emitted in the second direction.

In one embodiment, the second direction is perpendicular to the first direction. As shown in FIG. 3 , the first direction is the Y direction, and the second direction is the X direction, wherein the X direction is perpendicular to the Y direction. In other embodiments, the angle formed by the first direction and the second direction may be any angle. It can be understood that the first direction and the second direction can be perpendicular to each other or not. In the embodiments of the present application, the first direction and the second direction are perpendicular to each other for description.

It can be understood that the second light redirecting member 25 is the intersection of the arrangement of the first direction and the second direction. The first light redirecting member 24 , the first lens 231 , the second light redirecting member 25 , the second lens 232 and the image sensor 22 are sequentially arranged in an L-like shape. The light collected by the first light redirecting member 24 is imaged on the image sensor 22 after passing through the first lens 231 , the second light redirecting member 25 and the second lens 232 in sequence. That is, the external light enters the first lens 231 through the first light redirecting member 24, enters the second light redirecting member 25 through the first lens 231, and enters the second lens 232 after passing through the second light redirecting member 25. After finally passing through the second lens 232, the image is imaged on the image sensor 22. It can be understood that when imaging on the image sensor 22, the camera module 102 captures an image.

As shown in FIG. 3 , after the external light enters the first light redirecting member 24 from the third direction, the direction of the light is turned by 90 degrees by the first light redirecting member 24, and then exits from the first direction and passes through the first lens After 231, it enters the second light redirecting member 25 from the first direction, and the direction of the light is turned by 90 degrees through the second light redirecting member 25, and then exits from the second direction and passes through the second lens 232. 22 on imaging. It can be understood that the first direction, the second direction and the third direction are perpendicular to each other. As shown in FIG. 3 , the first direction is the Y direction, the second direction is the X direction, and the third direction is the Z direction.

In the embodiment of the present application, the plurality of lenses 23 (the first lens 231 and the second lens 232 ) are respectively placed horizontally and vertically through the plurality of light redirecting members (the first light redirecting member 24 and the second light redirecting member 25 ). The camera module 102 is too long due to the multiple lenses 23 being placed in the same direction, thereby reducing the length of the camera module 102 .

Wherein, in the embodiment of the present application, the camera module 102 includes a first light redirecting member 24 and a second light redirecting member 25 , that is, the number of light redirecting members in the camera module 102 is two. In other embodiments, when the camera module 102 needs to convert the light path three times or more, the number of light redirecting members in the camera module 102 can also be three or more. In the embodiments of the present application, the number of the light redirecting members is not specifically limited.

In one embodiment, the first light redirecting member 24 is a total reflection prism. In other embodiments, the first light redirecting member 24 can also be a flat mirror. In the embodiment of the present application, the first light redirecting member 24 is a total reflection prism, which can avoid the loss of light and improve the imaging quality of the camera module 102 .

The first light redirecting member 24 is provided with a first surface 241 and a second surface 242 . The first surface 241 and the second surface 242 are perpendicular to each other. The first surface 241 is used for collecting light, and the second surface 242 faces the first lens 231 . The total reflection prism further includes a third surface 243 connecting the first surface 241 and the second surface 242 . The angles formed between the third surface 243 and the first surface 241 and the second surface 242 are both 45 degrees. That is, the third surface 243 is the hypotenuse of the total reflection prism, and the light entering the first light redirecting member 24 is totally reflected on the third surface 243 .

It can be understood that after the external light enters the first light diverting member 24 from the first surface 241 , total reflection occurs on the third surface 243 , and finally exits from the second surface 242 , and then enters the first lens 231 .

In one embodiment, the second light redirecting member 25 is a total reflection prism. In other embodiments, the second light redirecting member 25 can also be a flat mirror. In the embodiment of the present application, the second light redirecting member 25 is a total reflection prism, which can avoid the loss of light and further improve the imaging quality of the camera module 102 .

The second light redirecting member 25 is provided with a fourth surface 251 and a fifth surface 252 . The fourth surface 251 and the fifth surface 252 are perpendicular to each other. The fourth surface 251 faces the first lens 231 , and the fifth surface 252 faces the second lens 232 . Wherein, the second light redirecting member 25 further includes a sixth surface 253 connecting the fifth surface 252 and the fifth surface 252 . The included angles formed between the sixth surface 253 and the fifth surface 252 and the fifth surface 252 are both 45 degrees. That is, the sixth surface 253 is the hypotenuse of the total reflection prism, and the light entering the second light redirecting member 25 is totally reflected on the sixth surface 253 .

It can be understood that after the external light is emitted from the first lens 231, after entering the second light redirecting member 25 from the fifth surface 252 and the surface 243, and after the second light redirecting member 25 is emitted from the fifth surface 252, it enters the second lens. 232 , and finally image the image on the image sensor 22 . That is, after the external light enters the second light redirecting member 25 from the surface 243 of the fifth surface 252 , total reflection occurs on the sixth surface 253 , and finally exits from the fifth surface 252 , and then enters the second lens 232 .

Further, the first lens 231 includes a first lens (not marked in the figure) and a first voice coil motor (not marked in the figure). The first voice coil motor is arranged around the periphery of the first lens. The first voice coil motor can drive the first lens to move, so as to change the optical axis direction of the first lens 231 and the focal length of the first lens 231 . The first voice coil motor can drive the movement of the first mirror through magnetic force. The first lens and the first voice coil motor are not marked in the figure, and the structures of the first lens and the first voice coil motor are the same as those in the prior art.

In one embodiment, the second lens 232 includes a second lens (not shown in the figure) and a second voice coil motor (not shown in the figure). The second voice coil motor is arranged around the periphery of the second mirror. The second voice coil motor can drive the second lens to move, so as to change the direction of the optical axis of the second lens 232 and the focal length of the second lens 232 . The second mirror and the second voice coil motor are not marked in the figure, and the structures of the second mirror and the second voice coil motor are the same as those in the prior art.

In the embodiment of the present application, both the first lens 231 and the second lens 232 include a lens and a voice coil motor for driving the lens to move. The two voice coil motors are used to control the free movement of the two lenses, thereby increasing the optical zoom of the camera module 102 It can also make the camera module 102 select an appropriate focal length according to user needs.

Further, please continue to refer to FIG. 1 to FIG. 3 , the camera module 102 further includes a light-transmitting portion 26 . The light-transmitting part 26 is used for collecting light. The light-transmitting portion 26 is disposed opposite to the first surface 241 . It can be understood that after the light enters through the light-transmitting portion 26 , the light path is converted by 90 degrees through the first light turning member 24 and then enters the first lens 231 .

In one embodiment, the light-transmitting portion 26 includes a filter 27 . The filter 27 can filter infrared light among the light rays. It can be understood that the light-transmitting portion 26 includes a light-transmitting hole. The filter 27 covers the light shielding hole. That is, when the light from the outside enters the camera module 102 , it needs to pass through the light filter 27 first.

Among them, the filter 27 can be blue glass. In the embodiment of the present application, when the light from the outside enters the camera module 102 through the filter 27, the filter 27 can absorb the infrared light, allowing only visible light to enter the camera module 102, preventing stray light from entering the camera module In the group 102 , the photos taken by the camera module 102 are made more realistic, thereby improving the quality of the camera module 102 .

Further, please refer to FIG. 4 , which is a schematic structural diagram of the camera module 102 shown in FIG. 1 in the second embodiment. Most of the technical solutions in this embodiment that are the same as those in the first embodiment will not be described again.

As shown in FIG. 3 , the filter 27 is interposed between the second lens 232 and the image sensor 22 . At this time, the light entering the second lens 232 through the second light turning member 25 passes through the filter 27 between the second lens 232 and the image sensor 22 , and finally forms an image on the image sensor 22 .

In the second embodiment of the present application, the filter 27 between the second lens 232 and the image sensor 22 can filter the stray light in the light passing through the first lens 231, so that the photos taken by the camera module 102 are more realistic, thereby The quality of the camera module 102 is improved.

In other embodiments, a filter 27 can also be provided between the first lens 231 and the second light redirecting member 25 . That is, the filter 27 is interposed between the first lens 231 and the second light turning member 25 . The external light first passes through the first lens 231 and then passes through the filter 27 , and then enters the second light redirecting member 25 .

Further, please refer to FIGS. 5 to 7 , FIG. 5 is a schematic structural diagram of the camera module 102 shown in FIG. 1 in one state in the third embodiment; FIG. 6 is the camera module 102 shown in FIG. 5 in another state 7 is a schematic structural diagram of the electronic device 100 when the camera module 102 in the electronic device 100 is in the state shown in FIG. 6 . Most of the technical solutions in this embodiment that are the same as those in the previous embodiments will not be described again.

The camera module 102 also includes a moving part 28 . The moving part 28 is connected to the first light redirecting member 24 . The moving part 28 is used for driving the first light turning member 24 to move in the first direction. That is, the moving part 28 is used to drive the first light turning member 24 to move relative to the first lens 231 . It can be understood that the first lens 231 is fixed, and the first light redirecting member 24 can move relative to the first lens 231 under the action of the moving part 28 .

5 to 7 , the moving part 28 can drive the first light redirecting member 24 to move relative to the first lens 231 , so that the first light redirecting member extends ( FIG. 6 ) and retracts ( FIG. 5 ) relative to the electronic device 100 . ). As shown in FIG. 6 and FIG. 7 , when the first light redirecting member 24 extends relative to the electronic device 100 , the first light redirecting member 24 exposes the light-transmitting area 103 relative to the electronic device 100 . At this time, the light-transmitting area 103 can be used for collecting light, and the electronic device 100 can take pictures at this time. As shown in FIG. 5 , when the first light redirecting member 24 is retracted relative to the electronic device 100 , since the electronic device 100 has no light-transmitting holes, the first light redirecting member 24 cannot collect light. That is, when the electronic device 100 needs to take a photo, the moving part 28 drives the first light redirecting member 24 to move, so that the first light redirecting member 24 is exposed relative to the electronic device 100, so as to realize the photo taking.

It can be understood that the housing 101 of the electronic device 100 does not need to have a light-transmitting hole for the outside light to enter the camera module 102 . In the embodiment of the present application, the camera module 102 acquires light by moving the first light redirecting member 24 upward, so that the first light redirecting member 24 is exposed relative to the electronic device 100, so that light can be collected. At this time, the camera module 102 can be used as a front camera.

As shown in FIG. 5 , when the first light redirecting member 24 is located at the first position, the distance between the first lens 231 and the first light redirecting member 24 is the first distance. It can be understood that, at this time, the first light redirecting member 24 is hidden from the electronic device 100 . As shown in FIG. 6 , when the first light redirecting member 24 moves from the first position to the second position, the distance between the first lens 231 and the first light redirecting member 24 is the second distance. The second pitch is greater than the first pitch. When the first light turning member 24 is located at the second position, the light collected by the first light turning member 24 finally passes through the second lens 232 and is then imaged on the image sensor 22 .

In the embodiment of the present application, when the camera module 102 needs to take pictures, the moving part 28 drives the first light redirecting member 24 to move up to view the scene, and when the camera module 102 does not need to take pictures, the moving part 28 drives the first light redirecting member 24 down The first light turning member 24 is moved back to the inside of the electronic device 100. Therefore, there is no need to set up the light-transmitting portion 26 for capturing the scene on the electronic device 100, thereby increasing the screen ratio of the electronic device 100 and realizing a full screen. .

The embodiments of the present application have been introduced in detail above, and specific examples are used to illustrate the principles and implementations of the present application. The descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application; at the same time, for Persons of ordinary skill in the art, based on the idea of the present application, may have changes in the specific implementation manner and application scope. In conclusion, the contents of this description should not be construed as a limitation on the present application.

Claims (10)

1. A camera module is characterized by comprising a first light steering piece, a first lens, a second light steering piece, a second lens and an image sensor, wherein the first light steering piece, the first lens and the second light steering piece are sequentially arranged along a first direction, the second light steering piece, the second lens and the image sensor are sequentially arranged along a second direction, and the second direction is mutually crossed with the first direction;

the light rays collected by the first light steering piece sequentially pass through the first lens, the second light steering piece and the second lens and then are imaged on the image sensor; the first light steering component can convert collected light rays into light rays emitted along the first direction, and the second light steering component can convert light rays incident from the first direction into light rays emitted along the second direction.

2. The camera module of claim 1, wherein the second direction is perpendicular to the first direction, the first light redirecting element is a total reflection prism, the first light redirecting element has a first surface and a second surface, the first surface and the second surface are perpendicular to each other, the first surface is used for collecting light, and the second surface faces the first lens.

3. The camera module of claim 2, wherein the second light redirecting element is a total reflection prism, the second light redirecting element has a third surface and a fourth surface, the third surface and the fourth surface are perpendicular to each other, the third surface faces the first lens, and the fourth surface faces the second lens.

4. The camera module of claim 3, further comprising a light transmissive portion for collecting light, the light transmissive portion being disposed opposite the first surface.

5. The camera module of claim 4, wherein the light-transmissive portion comprises a filter, the filter being capable of filtering infrared light from the light.

6. The camera module of any of claims 1-5, wherein the first lens comprises a first lens and a first voice coil motor, the first voice coil motor being disposed around a periphery of the first lens.

7. The camera module of claim 6, wherein the second lens comprises a second lens and a second voice coil motor, the second voice coil motor being disposed around a periphery of the second lens.

8. The camera module of any one of claims 1-5, further comprising a moving portion, wherein the moving portion is connected to the first light diverting member for moving the first light diverting member in the first direction.

9. The camera module of claim 8, wherein when the first light redirecting element is in the first position, the first lens is spaced from the first light redirecting element by a first distance; when the first light turning piece moves from the first position to the second position, the distance between the first lens and the first light turning piece is a second distance which is larger than the first distance;

when the first light steering piece is located at the second position, light rays collected by the first light steering piece finally pass through the second lens and then are imaged on the image sensor.

10. An electronic device comprising a housing and the camera module of any one of claims 1-9, wherein the camera module is mounted to the housing.

Images