CN114338968A

CN114338968A - Periscopic camera module and electronic device

Info

Publication number: CN114338968A
Application number: CN202011069838.8A
Authority: CN
Inventors: 冯家正
Original assignee: Jiangxi Jinghao Optical Co Ltd
Current assignee: Jiangxi Jinghao Optical Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2022-04-12

Abstract

The invention provides a periscopic camera module and an electronic device. Periscopic module of making a video recording includes: the first light steering piece is used for steering the light rays emitted from the outside; the lens assembly is arranged opposite to the first light steering piece and used for receiving the light emitted by the first light steering piece and emitting the light along a first direction; the second light turning piece is arranged on one side of the lens assembly, which is far away from the first light turning piece, and is used for turning the light rays emitted by the lens assembly for multiple times and emitting the light rays along a second direction, wherein the second direction is vertical to the first direction; and the photosensitive assembly is arranged on one side of the lens assembly, which deviates from the first light steering piece, is opposite to the second light steering piece, and is used for receiving light rays emitted from the second direction. Foretell periscopic camera module can increase the length of the light path between camera lens subassembly and the sensitization subassembly, realizes the long burnt function, and under the condition that does not influence thickness, has reached the effect that reduces whole space.

Description

Periscopic camera module and electronic device

Technical Field

The invention relates to the technical field of camera modules, in particular to a periscopic camera module and an electronic device.

Background

In order to avoid the thickness of increase cell-phone, the long focus module of making a video recording that uses in the present cell-phone is periscopic camera module, turns to the propagation direction that the subassembly changed light through light such as prism promptly to can make components such as camera lens, sensitization subassembly transversely set up in the cell-phone shell.

At present, users have higher requirements for the shooting quality and zooming of shooting devices such as mobile phones, and a common lens can select a short/medium/long focal lens to achieve a high-magnification zooming function through a relay type or a hybrid type structure. In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art: the conventional periscopic architecture can only improve on the thickness, and the whole module still needs to occupy the length space for configuration.

Disclosure of Invention

In view of the above, it is desirable to provide a periscopic camera module and an electronic device to solve the above problems.

The embodiment of the application provides a periscopic module of making a video recording, includes:

the first light steering piece is used for steering the light rays emitted from the outside;

the lens assembly is arranged opposite to the first light steering piece and used for receiving the light emitted by the first light steering piece and emitting the light along a first direction;

the second light turning piece is arranged on one side of the lens assembly, which is far away from the first light turning piece, and is used for turning the light rays emitted by the lens assembly for multiple times and emitting the light rays along a second direction, wherein the second direction is vertical to the first direction; and

the photosensitive assembly is arranged on one side, deviating from the first light steering piece, of the lens assembly, is arranged opposite to the second light steering piece, and is used for receiving light rays emitted from the second direction.

Foretell periscopic camera module carries out a lot of through the light that second light turns to piece jets out the camera lens subassembly and turns to the sensitization subassembly is jetted out to along the second direction, can increase the length of the light path between camera lens subassembly and the sensitization subassembly, realizes the long burnt function, and under the condition that does not influence thickness, has reached the effect that reduces whole space.

In some embodiments, the second light redirecting element comprises:

the first reflection prism is arranged opposite to the lens assembly and comprises a first inner reflection surface, a second inner reflection surface and an outer reflection surface, the first inner reflection surface and the second inner reflection surface are arranged oppositely and parallelly, the first inner reflection surface is used for reflecting light rays emitted by the lens assembly to a third direction and reaching the second inner reflection surface, the second inner reflection surface is used for reflecting the light rays to the first direction, and the third direction is opposite to the second direction; and

the second reflection prism is arranged on one side, deviating from the lens component, of the first reflection prism, and comprises a third internal reflection surface and a fourth internal reflection surface which are connected, the third internal reflection surface is used for reflecting light rays in the first direction reflected by the second internal reflection surface to the second direction and reaching the fourth internal reflection surface, the fourth internal reflection surface is used for reflecting light rays to the fourth direction and reaching the outer reflection surface, the outer reflection surface is used for reflecting light rays to the second direction and reaching the photosensitive component, and the fourth direction is opposite to the first direction.

Therefore, the first reflection prism and the second reflection prism are matched with each other, so that the light emitted by the lens assembly can be turned for multiple times and emitted to the photosensitive assembly along the second direction.

In some embodiments, the first reflection prism is integrally disposed with the second reflection prism, and the light exit surface of the first reflection prism is glued to the light entrance surface of the second reflection prism.

Therefore, the first reflecting prism and the second reflecting prism are integrally arranged, so that the effect of reducing the whole space can be achieved.

In some embodiments, the first reflection prism and the second reflection prism are separately disposed, and the periscopic camera module further includes:

and the first driving piece is connected with the second reflecting prism and used for driving the second reflecting prism to move towards the direction close to or far away from the first reflecting prism.

In this way, the first driving member can drive the second reflection prism to move so as to realize automatic focusing.

In some embodiments, the first reflective prism is a quadrangular prism and the second reflective prism is a triangular prism.

Therefore, the four-corner prism and the triangular prism are matched with each other to turn the light emitted by the lens assembly for multiple times and emit the light to the photosensitive assembly along the second direction.

In some embodiments, further comprising:

and the second driving piece is connected with the photosensitive assembly and used for driving the photosensitive assembly to move towards the direction close to or far away from the first reflecting prism.

Therefore, the second driving piece can drive the photosensitive assembly to move so as to realize automatic focusing.

In some embodiments, further comprising:

and the third driving piece is connected with the lens assembly so as to drive the lens assembly to move towards the direction close to or far away from the first light turning piece.

In this way, the third driving member can drive the lens assembly to move so as to realize automatic focusing.

In some embodiments, the first light redirecting element is a triangular prism.

Therefore, the triangular prism can turn the light rays incident from the outside and inject the light rays into the lens assembly.

In some embodiments, further comprising:

and the optical filter is arranged between the second light steering piece and the photosensitive assembly.

Therefore, the optical filter can filter stray light in the light reflected by the outer reflecting surface of the second light turning piece, and the imaging quality is ensured.

The embodiment of the application provides an electronic device, including foretell periscopic camera module.

The periscopic camera module that foretell electronic device included turns to many times through the light that the second light turns to piece jets out the camera lens subassembly to jet out to the sensitization subassembly along the second direction, can increase the length of the light path between camera lens subassembly and the sensitization subassembly, realize long burnt function, and under the condition that does not influence thickness, reached the effect that reduces whole space.

Drawings

Fig. 1 is a schematic structural diagram of a periscopic camera module according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a periscopic camera module according to a second embodiment of the present invention.

Fig. 3 is a perspective view of an electronic device according to a third embodiment of the invention.

Description of the main elements

Periscopic camera module

100, 200

First

light redirecting element

10, 210

Lens assembly

20, 220

Second

light redirecting element

30, 230

First reflection prism

32, 232

Light-emitting surface 2322

First internal reflection plane 322

Second internal reflection surface 324

Outer reflective surface 326

Second reflection prism

34, 234

Light inlet surface 2342

Third internal reflection surface 342

Fourth internal reflection surface 344

Photosensitive assembly

40, 240

First driving member 50

Second drive member 60

Optical filter 70

Third driving member 80

Lens barrel 90

Accommodating groove 92

Electronic device 300

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Referring to fig. 1, a periscopic camera module 100 according to a first embodiment of the present invention at least includes a first light diverting member 10, a lens assembly 20, a second light diverting member 30 and a photosensitive assembly 40.

The first light diverting member 10 is used for diverting light rays incident from the outside.

The lens assembly 20 is disposed opposite to the first light diverting member 10, and is used for receiving the light emitted by the first light diverting member 10 and emitting the light in a first direction.

The second light diverting member 30 is disposed on a side of the lens assembly 20 away from the first light diverting member 10, and is used for diverting the light emitted from the lens assembly 20 for a plurality of times and emitting the light in a second direction, wherein the second direction is perpendicular to the first direction. The photosensitive assembly 40 is disposed on a side of the lens assembly 20 facing away from the first light diverting member 10, and is disposed opposite to the second light diverting member 30, and is used for receiving light emitted from the second direction by the second light diverting member 30.

For ease of understanding, in the present embodiment, the first direction is defined as rightward, the second direction is defined as upward, the third direction is defined as downward, and the fourth direction is defined as leftward.

The periscopic camera module 100 can increase the length of the light path between the lens assembly 20 and the photosensitive assembly 40 by turning the light emitted from the lens assembly 20 through the second light turning member 30 for multiple times and emitting the light to the photosensitive assembly 40 along the second direction, so as to realize the long-focus function, and achieve the effect of reducing the whole space without affecting the thickness.

The first light diverting member 10 is a triangular prism. Thus, the triangular prism can turn the light incident from the outside and inject the light into the lens assembly 20.

The lens assembly 20 includes at least one lens. In this way, different numbers of lenses can be selected to meet different requirements. For example four, five, six. The lens assembly 20 includes, but is not limited to, a short focus lens, a medium focus lens, and a long focus lens.

The second light redirecting element 30 includes a first reflective prism 32 and a second reflective prism 34.

The first reflection prism 32 is disposed opposite to the lens assembly 20, the first reflection prism 32 includes a first inner reflection surface 322, a second inner reflection surface 324 and an outer reflection surface 326, the first inner reflection surface 322 and the second inner reflection surface 324 are disposed in parallel, the first inner reflection surface 322 is used for reflecting the light emitted from the lens assembly 20 to the third direction and reaching the second inner reflection surface 324, the second inner reflection surface 324 is used for reflecting the light to the first direction, that is, the light emitted in the first direction through the lens assembly 20 is incident on the first reflection prism 32, then reflected by the first internal reflection surface 322 and the second internal reflection surface 324 in sequence, and then emitted in the first direction to the second reflection prism 34, the third direction is opposite to the second direction, and the visible light rays are horizontally displaced after being reflected by the first internal reflection surface 322 and the second internal reflection surface 324, but can still be emitted along the first direction. In this embodiment, the first reflecting prism 32 is a quadrangular prism, the cross section of the quadrangular prism is a parallelogram, and the material of the first reflecting prism 32 includes, but is not limited to, glass and plastic.

The second reflection prism 34 is disposed on a side of the first reflection prism 32 facing away from the lens assembly 20, the second reflection prism 34 includes a third internal reflection surface 342 and a fourth internal reflection surface 344 connected to each other, the third internal reflection surface 342 is used for reflecting the light in the first direction reflected by the second internal reflection surface 324 to the second direction and reaching the fourth internal reflection surface 344, the fourth internal reflection surface 344 is used for reflecting the light in the fourth direction and reaching the external reflection surface 326, the external reflection surface 326 is used for reflecting the light in the second direction and reaching the photosensitive assembly 40, that is, the light in the first direction reflected by the second internal reflection surface 324 enters the second reflection prism 34, and then is reflected by the third internal reflection surface 342 and the fourth internal reflection surface 344 in sequence and reaches the external reflection surface 326, the external reflection surface 326 reflects the light in the second direction and reaches the photosensitive assembly 40, wherein the fourth direction is opposite to the first direction, the visible light rays are reflected by the third internal reflection surface 342 and the fourth internal reflection surface 344, and then horizontally displaced and folded back. Thus, the first reflecting prism 32 and the second reflecting prism 34 cooperate with each other to turn the light emitted from the lens assembly 20 several times and emit the light to the photosensitive assembly 40 along the second direction. In the present embodiment, the light emitted from the lens assembly 20 reaches the photosensitive assembly 40 after five reflections. The second reflection prism 34 is a triangular prism, and the material of the second reflection prism 34 includes, but is not limited to, glass and rubber.

In some embodiments, the first reflection prism 32 and the second reflection prism 34 are separately disposed, and the periscopic camera module 100 further includes a first driving component 50 (not shown), where the first driving component 50 is connected to the second reflection prism 34 for driving the second reflection prism 34 to move toward or away from the first reflection prism 32. In this way, the first driving member 50 can drive the second reflection prism 34 to move for automatic focusing. It is understood that the first driving member 50 includes, but is not limited to, a Stepping Motor (SM), a Voice Coil Motor (VCM), a Piezoelectric Motor (PM), and a Micro-electro mechanical Systems (MEMS).

The photosensitive element 40 includes, but is not limited to, a Complementary Metal Oxide Semiconductor (CMOS) image sensor or a Charge-coupled Device (CCD). In some embodiments, the periscopic camera module 100 further includes a second driving member 60, and the second driving member 60 is connected to the photosensitive assembly 40 and is configured to drive the photosensitive assembly 40 to move toward or away from the first reflecting prism 32. In this way, the second driving member 60 can drive the photosensitive assembly 40 to move for automatic focusing. It is understood that the second driving member 60 includes, but is not limited to, a Stepping Motor (SM), a Voice Coil Motor (VCM), a Piezoelectric Motor (PM), and a Micro-electro mechanical Systems (MEMS).

The periscopic camera module 100 further includes an optical filter 70, and the optical filter 70 is disposed between the first reflecting prism 32 of the second light turning member 30 and the photosensitive component 40. In this way, the filter 70 can filter stray light in the light reflected by the external reflection surface 326 of the second light turning member 30, thereby ensuring the imaging quality.

In some embodiments, the periscopic camera module 100 further includes a third driving element 80, and the third driving element 80 is connected to the lens assembly 20 to drive the lens assembly 20 to move toward or away from the first light diverting element 10. In this way, the third driving member 80 can drive the lens assembly 20 to move for automatic focusing. It is understood that the third driving member 80 includes, but is not limited to, a Stepping Motor (SM), a Voice Coil Motor (VCM), a Piezoelectric Motor (PM), and a Micro-electro mechanical Systems (MEMS).

In some embodiments, the periscopic camera module 100 further includes a lens barrel 90, the lens barrel 90 includes a receiving groove 92, and the first light diverting member 10, the lens assembly 20, the second light diverting member 30 and the photosensitive assembly 40 are disposed in the receiving groove 92. It can be understood that the shape of the lens barrel 90 and the shape of the receiving groove 92 are not limited to a fixed structure, and can be adjusted according to the space requirement, so that the module design for the overall space utilization is more flexible.

Referring to fig. 2, a periscopic camera module 200 according to a second embodiment of the present invention at least includes a first light turning member 210, a lens assembly 220, a second light turning member 230 and a photosensitive assembly 240, wherein the second light turning member 230 includes a first reflecting prism 232 and a second reflecting prism 234. The periscopic camera module 200 in the second embodiment has substantially the same structure as the periscopic camera module 100 in the first embodiment, except that the first reflection prism 232 and the second reflection prism 234 are integrally disposed, and the light-emitting surface 2322 of the first reflection prism 232 and the light-entering surface 2342 of the second reflection prism 234 are glued together. Thus, the first reflecting prism 232 and the second reflecting prism 234 are integrally disposed to achieve the effect of reducing the overall space.

Referring to fig. 3, a third embodiment of the present application provides an electronic device 300, where the electronic device 300 includes the periscopic camera module 100 according to the above-mentioned embodiment.

In this embodiment, the electronic device 300 is a smart phone, and it is understood that in other embodiments, the electronic device 300 may be a smart wearable device, a tablet computer, an electronic book reader, a wearable device, and the like.

The periscopic camera module 100 in the electronic device 300 turns the light emitted from the lens component 20 through the second light turning member 30 for multiple times, and emits the light to the photosensitive component 40 along the second direction, so that the length of the light path between the lens component 20 and the photosensitive component 40 can be increased, the long-focus function is realized, and the effect of reducing the whole space is achieved under the condition of not influencing the thickness.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a periscopic module of making a video recording which characterized in that includes:

2. The periscopic camera module of claim 1, wherein the second light redirecting element comprises:

3. The periscopic camera module of claim 2, wherein the first reflecting prism is integrally disposed with the second reflecting prism, and a light-emitting surface of the first reflecting prism is glued to a light-entering surface of the second reflecting prism.

4. A periscopic camera module according to claim 2 or claim 3, wherein the first and second reflective prisms are provided separately, the periscopic camera module further comprising:

5. A periscopic camera module according to claim 2 or claim 3, wherein the first reflecting prism is a quadrangular prism and the second reflecting prism is a triangular prism.

6. A periscopic camera module according to claim 2 or claim 3, further comprising:

7. A periscopic camera module according to any one of claims 1-3 and further comprising:

8. A periscopic camera module according to any one of claims 1-3, wherein the first light redirecting element is a triangular prism.

9. A periscopic camera module according to any one of claims 1-3 and further comprising:

10. An electronic device, comprising the periscopic camera module according to any one of claims 1 to 9.