CN113810580A - Periscopic camera module capable of shooting at micro distance and electronic equipment - Google Patents
Periscopic camera module capable of shooting at micro distance and electronic equipment Download PDFInfo
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- CN113810580A CN113810580A CN202111087574.3A CN202111087574A CN113810580A CN 113810580 A CN113810580 A CN 113810580A CN 202111087574 A CN202111087574 A CN 202111087574A CN 113810580 A CN113810580 A CN 113810580A
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- Prior art keywords
- lens
- camera module
- tlens
- shooting
- periscopic camera
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the invention discloses a periscopic camera module capable of shooting at a micro distance and electronic equipment, which are used for solving the technical problem of poor quality of generated images when the existing camera module is used for shooting at the micro distance. The image sensing device is arranged behind the lens, and the image sensing device is arranged right opposite to the lens; the driving device is connected with the lens and can drive the lens to move along the supporting frame; the lens comprises a support frame and is characterized in that a Tlens device is arranged in the support frame, the Tlens device is located in front of a lens and is arranged right opposite to the lens, and the Tlens device is used for enabling a light path incident to the lens to diverge towards the edge of the lens by adjusting curvature.
Description
Technical Field
The invention relates to the technical field of camera design, in particular to a periscopic camera module capable of shooting at a micro distance and electronic equipment.
Background
The camera module generally comprises a lens component and an image sensing component, the lens component comprises a lens barrel and lenses arranged in the lens barrel, the automatic focusing lens module further comprises a motor component, and the motor component drives the lens to move so as to realize optical focusing on scenes with different distances.
Although the lens of the automatic focusing lens module can move forward under the driving of the motor, after the lens moves, the image distance can be shortened, so that the focusing of the scenery within a certain range can be realized by adjusting the lens distance, when the scenery is too close to the lens (namely when the microspur shooting is carried out), even if the lens extends forwards to the limit, the image point still cannot fall on the image sensing assembly, and therefore, an image with high definition and good quality cannot be formed.
Therefore, it is an important subject of research by those skilled in the art to find a periscopic camera module and an electronic device capable of shooting at a small distance to solve the above-mentioned technical problems.
Disclosure of Invention
The embodiment of the invention discloses a periscopic camera module capable of shooting at a micro distance and electronic equipment, which are used for solving the technical problem of poor quality of generated images when the existing camera module is used for shooting at the micro distance.
The embodiment of the invention provides a periscopic camera module capable of shooting at a micro distance, which comprises a support frame, a lens and an image sensing device, wherein the lens and the image sensing device are arranged in the support frame;
the driving device is connected with the lens and can drive the lens to move along the supporting frame;
the lens comprises a support frame and is characterized in that a Tlens device is arranged in the support frame, the Tlens device is located in front of a lens and is arranged right opposite to the lens, and the Tlens device is used for enabling a light path incident to the lens to diverge towards the edge of the lens by adjusting curvature.
Optionally, the Tlens device is further configured to be in an operating state when the periscopic camera module performs macro shooting, and to be in a non-operating state when the periscopic camera module performs non-macro shooting.
Optionally, when the periscopic camera module performs macro shooting, the lens is driven by the driving device to move to a preset position in the direction of the Tlens;
the driving device is a voice coil motor, and the voice coil motor is located on the periphery of the lens.
Optionally, the image sensing device includes an image sensor chip and a PCB;
the image sensor chip is connected with the PCB in a COB packaging mode;
the image sensor chip is arranged opposite to the lens, and light penetrating through the lens can be emitted onto the image sensor chip.
Optionally, the Tlens device includes piezoelectric glass and piezoelectric film, piezoelectric glass is used for producing the curved surface deformation when the circular telegram in order to adjust Tlens device camber, piezoelectric film is used for doing piezoelectric glass provides voltage, piezoelectric glass's top and bottom all are connected with piezoelectric film, piezoelectric glass is just right the camera lens sets up.
Optionally, a reflecting prism is arranged in front of the support frame;
the reflecting prism is provided with a reflecting surface;
the reflecting surface of the reflecting prism is used for reflecting ambient light, so that the light can sequentially pass through the Tlens device and the lens and finally enter the image sensing device.
Optionally, the reflecting prism is a right-angle prism;
the reflecting surface of the reflecting prism is an inclined surface of the right-angle prism.
The embodiment of the invention provides electronic equipment which comprises the periscopic camera module capable of shooting in a micro-distance mode.
According to the technical scheme, the embodiment of the invention has the following advantages:
in this embodiment, the external ambient light is transmitted to the lens through the Tlens device, and then transmitted to the image sensing device through the lens. When the periscopic camera module carries out macro shooting, the Tlens device can make the light path incident to the lens regularly disperse to the lens edge through curvature change, and the image analysis capability under the macro state is effectively improved by matching with the lens, so that the quality of generated images is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a periscopic camera module capable of shooting at a micro distance according to an embodiment of the present invention;
illustration of the drawings: a support frame 1; a drive device 2; a lens 3; an image sensing device 4; a Tlens device 5; piezoelectric glass 501; a piezoelectric film 502; a reflecting prism 6.
Detailed Description
The embodiment of the invention discloses a periscopic camera module capable of shooting at a micro distance and electronic equipment, which are used for solving the technical problem of poor quality of generated images when the existing camera module is used for shooting at the micro distance.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of 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.
Example one
Referring to fig. 1, the periscopic camera module capable of shooting at a micro distance provided in this embodiment includes a supporting frame, and a lens 3 and an image sensing device 4 that are disposed in the supporting frame 1, where the image sensing device 4 is located behind the lens 3, and the image sensing device 4 is disposed opposite to the lens 3;
the lens 3 is connected with a driving device 2, and the driving device 2 can drive the lens 3 to move back and forth along the support frame 1;
the supporting frame 1, the lens 3 and the driving device 2 are all in a ring shape and are consistent with the appearance of a conventional camera module in the prior art;
a Tlens device 5 is arranged in the support frame 1, the Tlens device 5 is positioned in front of the lens 3, the Tlens device 5 is arranged opposite to the lens 3, and the Tlens device 5 is used for adjusting the curvature to enable the light path incident to the lens 3 to diverge towards the edge of the lens 3;
it should be noted that, as shown in fig. 1, the left side of the lens 3 in fig. 1 is the front side described in this example, and the right side of the lens 3 is the rear side described in this example;
specifically, the Tlens device 5 includes a piezoelectric glass 501 and a piezoelectric film 502;
the top end and the bottom end of the piezoelectric glass 501 are both connected with the piezoelectric film 502, and the piezoelectric glass 501 is arranged over against the lens 3.
It should be noted that, when the piezoelectric glass in this embodiment is powered on, the piezoelectric glass can generate a curved surface deformation to adjust the curvature of the Tlens device; the piezoelectric film 502 in this embodiment supplies a voltage to the curved surface deformation of the piezoelectric glass 501.
In this embodiment, the external ambient light is transmitted to the lens 3 through the Tlens device 5, and then transmitted to the image sensing device 4 through the lens 3.
When the periscopic camera module normally shoots, the Tlens device 5 is in a non-working state, namely the Tlens device is not electrified, at the moment, the curved surface of the piezoelectric glass 501 of the Tlens device is not deformed, and the shooting of a normal distance scenery is not influenced.
When the periscopic camera module carries out macro shooting, the lens 3 is driven by the driving device 2 to move to a preset position in the direction of the Tlens device 5;
it should be noted that the preset position is a position at which the driving device 2 stops when driving the lens 3 to move towards the Tlens device for a maximum distance, and as shown in fig. 1, the preset position can be simply understood as a position at which the driving device 2 stops when driving the lens 3 to move towards the left for a maximum distance; furthermore, a designer can preset the stroke range of the driving device 2 according to the design requirement of the periscopic camera module;
when the macro photography is performed, the driving device 2 drives the lens 3 to move towards the Tlens device 5 until the driving device reaches the maximum stroke, the lens 3 stops moving, and at this time, the lens 3 reaches the preset position. When the lens 3 moves to the preset position, the Tlens device 5 is powered on and is in a working state, the curved surface of the piezoelectric glass 501 begins to deform, the piezoelectric glass 501 causes the light path to regularly diverge towards the edge through curvature change, and the image resolving capability in a macro state is effectively improved by matching with the lens 3, so that the quality of generated images is improved, and the optical magnification which is far larger than the existing macro camera module is realized.
Further, the driving device 2 is a voice coil motor.
It should be noted that the driving device 2 in this embodiment is a Voice Coil Motor (VCM), and the voice coil motor generates a driving force after being powered on, so as to drive the lens 3 to perform a linear motion (shown as a left-right linear motion) in the support frame 1 relative to the support frame 1, thereby achieving the purpose of focusing the periscopic camera module. The voice coil motor is small in size, so that the size of the periscopic camera module is fully reduced. Specifically, voice coil motor is located the periphery of camera lens 3, make full use of the space of periscopic camera module group, effectively reduce the volume of periscopic camera module group.
Further, the image sensing device 4 includes an image sensor chip and a PCB board;
the image sensor chip is connected with the PCB in a COB packaging mode;
the image sensor chip is arranged right opposite to the lens 3.
The light transmitted through the lens 3 enters the image sensor chip, and the image sensor chip receives an optical signal.
Furthermore, a reflecting prism 6 is arranged in front of the support frame 1;
the reflecting prism 6 has a reflecting surface for reflecting ambient light to the lens 3.
The external ambient light is irradiated onto the reflection surface of the reflection prism 6, and the reflection surface of the reflection prism 6 reflects the light so that the light can pass through the lens 3 and the lens 5 in order and finally enter the image sensing device 4.
Further, the reflecting prism 6 is a right-angle prism;
the reflecting surface of the reflecting prism 6 is an inclined surface of a right-angle prism.
The cross section of the right-angle prism is a right-angle triangle;
the reflecting surface of the reflecting prism 6 is an inclined surface of a right-angle prism.
Example two
The embodiment provides an electronic device, which includes a periscopic camera module capable of shooting at a micro distance as described in the first embodiment;
furthermore, the periscopic camera module capable of shooting at a small distance in this embodiment is specifically installed in a housing of an electronic device, and the Tlens device 5, the driving device 2, and the image sensing device 4 in the periscopic camera module are electrically connected to a control circuit board inside the electronic device.
Further, the electronic device in this embodiment may be a smart phone, a notebook computer, a tablet computer, or the like.
While the periscopic camera module and the electronic device capable of shooting at a small distance provided by the present invention have been described in detail above, those skilled in the art will appreciate that the scope of the present invention is not limited to the above description.
Claims (8)
1. A periscopic camera module capable of shooting in a micro-distance mode is characterized by comprising a support frame, a lens and an image sensing device, wherein the lens and the image sensing device are arranged in the support frame;
the driving device is connected with the lens and can drive the lens to move along the supporting frame;
the lens comprises a support frame and is characterized in that a Tlens device is arranged in the support frame, the Tlens device is located in front of a lens and is arranged right opposite to the lens, and the Tlens device is used for enabling a light path incident to the lens to diverge towards the edge of the lens by adjusting curvature.
2. The periscopic camera module according to claim 1, wherein the Tlens device is further configured to be in an active state when the periscopic camera module performs macro shooting, and to be in an inactive state when the periscopic camera module performs non-macro shooting.
3. The periscopic camera module capable of shooting at a micro distance according to claim 1, wherein when the periscopic camera module performs shooting at a micro distance, the lens is driven by the driving device to move to a preset position in a direction towards the Tlens device;
the driving device is a voice coil motor, and the voice coil motor is located on the periphery of the lens.
4. The periscopic camera module capable of shooting at a micro distance according to claim 1, wherein the image sensing device comprises an image sensor chip and a PCB board;
the image sensor chip is connected with the PCB in a COB packaging mode;
the image sensor chip is arranged opposite to the lens, and light penetrating through the lens can be emitted onto the image sensor chip.
5. The periscopic camera module of claim 2, wherein the Tlens device comprises a piezoelectric glass and a piezoelectric film, the piezoelectric glass is used for generating a curved surface deformation when being powered on to adjust the curvature of the Tlens device, the piezoelectric film is used for providing a voltage for the piezoelectric glass, the piezoelectric film is connected to both the top end and the bottom end of the piezoelectric glass, and the piezoelectric glass is arranged opposite to the lens.
6. The periscopic camera module capable of shooting at a micro distance according to any one of claims 1 to 5, wherein a reflection prism is arranged in front of the support frame;
the reflecting prism is provided with a reflecting surface;
the reflecting surface of the reflecting prism is used for reflecting ambient light, so that the light can sequentially pass through the Tlens device and the lens and finally enter the image sensing device.
7. The periscopic camera module of claim 6, wherein the reflecting prism is a right-angle prism;
the reflecting surface of the reflecting prism is an inclined surface of the right-angle prism.
8. An electronic apparatus comprising the periscopic camera module capable of shooting at a small distance according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087574.3A CN113810580A (en) | 2021-09-16 | 2021-09-16 | Periscopic camera module capable of shooting at micro distance and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087574.3A CN113810580A (en) | 2021-09-16 | 2021-09-16 | Periscopic camera module capable of shooting at micro distance and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113810580A true CN113810580A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111087574.3A Withdrawn CN113810580A (en) | 2021-09-16 | 2021-09-16 | Periscopic camera module capable of shooting at micro distance and electronic equipment |
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| Country | Link |
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| CN (1) | CN113810580A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207124681U (en) * | 2017-07-31 | 2018-03-20 | 维沃移动通信有限公司 | A kind of periscopic camera module and mobile terminal |
| CN109089024A (en) * | 2018-08-03 | 2018-12-25 | 信利光电股份有限公司 | It is a kind of can microshot camera module |
| CN213367923U (en) * | 2020-10-27 | 2021-06-04 | 江西晶浩光学有限公司 | Periscopic camera module and electronic equipment |
| CN113114920A (en) * | 2021-05-21 | 2021-07-13 | 维沃移动通信有限公司 | Imaging device and electronic apparatus |
-
2021
- 2021-09-16 CN CN202111087574.3A patent/CN113810580A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207124681U (en) * | 2017-07-31 | 2018-03-20 | 维沃移动通信有限公司 | A kind of periscopic camera module and mobile terminal |
| CN109089024A (en) * | 2018-08-03 | 2018-12-25 | 信利光电股份有限公司 | It is a kind of can microshot camera module |
| CN213367923U (en) * | 2020-10-27 | 2021-06-04 | 江西晶浩光学有限公司 | Periscopic camera module and electronic equipment |
| CN113114920A (en) * | 2021-05-21 | 2021-07-13 | 维沃移动通信有限公司 | Imaging device and electronic apparatus |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211217 |
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| WW01 | Invention patent application withdrawn after publication |