CN107483785A - A kind of camera module and electronic equipment - Google Patents
A kind of camera module and electronic equipment Download PDFInfo
- Publication number
- CN107483785A CN107483785A CN201710764429.1A CN201710764429A CN107483785A CN 107483785 A CN107483785 A CN 107483785A CN 201710764429 A CN201710764429 A CN 201710764429A CN 107483785 A CN107483785 A CN 107483785A
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- CN
- China
- Prior art keywords
- camera module
- image
- optical
- sensitive chip
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of camera module and electronic equipment, the camera module includes：Camera lens, camera lens are used to gather optical information；Sensitive chip, sensitive chip are used to optical information being converted to image information；Image-carrying fiber bundle, image-carrying fiber bundle are used for the optical transmission of information of camera lens collection to sensitive chip；Wherein, image-carrying fiber bundle has a plurality of optical fiber；The total reflection for the side wall that the light that optical information medium wavelength is less than preset value passes through optical fiber, it is transferred to by optical fiber close to one end of camera lens close to one end of sensitive chip；Optical information medium wavelength is not less than the light of preset value, is emitted by fiber sidewall, and then filters out the light that wavelength is not less than preset value.Technical solution of the present invention passes through image-carrying fiber bundle connection lens and sensitive chip, due to the bendability characteristics of image-carrying fiber bundle, so that the position of camera lens and sensitive chip is not required to face, aligning accuracy requires low, and the principle of the transmission ray of optical fiber can be utilized to filter out default light.
Description
Technical field
The present invention relates to imaging device technical field, in particular, is related to a kind of camera module and electronic equipment.
Background technology
With the continuous development of scientific technology, more and more the electronic equipment with imaging function is widely used in people
Daily life and work among, for daily life and work bring huge facility, turn into and work as moderns
Indispensable important tool.Electronic equipment realizes that the important component of imaging function is camera module, of the prior art
Camera module is general as depicted in figs. 1 and 2.
It is a kind of top view of common camera module in the prior art with reference to figure 1 and Fig. 2, Fig. 1, Fig. 2 is shown in Fig. 1
The side view of camera module, existing camera module include camera lens 12 and sensitive chip 15, and the two is fixed on the pedestal 11,
There is optical filter 14 between the sensitive chip 15 of camera lens more than 12.Sensitive chip 15 is connected by FPC13 with control circuit.
In existing camera module, camera lens 12 gather optical information by being transmitted after optical filter 14 to sensitive chip 15,
It is required that camera lens 12 is in the surface of sensitive chip 15, and in order to avoid dark angle problem, it is desirable to the center of camera lens 12 and sensitive chip
15 center is as far as possible without skew.It can be seen that in existing camera module, the installation site of camera lens 12 and sensitive chip 15 is fixed,
And aligning accuracy requires higher.
The content of the invention
In order to solve it is above-mentioned ask, technical solution of the present invention provides a kind of camera module and electronic equipment, passes through biography
As fibre bundle connection lens and sensitive chip, due to the bendability characteristics of image-carrying fiber bundle so that camera lens and sensitive chip
Position is not required to face, and aligning accuracy requires low, and the principle of the transmission ray of optical fiber can be utilized to filter out default light.
To achieve these goals, the present invention provides following technical scheme
A kind of camera module, the camera module include：
Camera lens, the camera lens are used to gather optical information；
Sensitive chip, the sensitive chip are used to optical information being converted to image information；
Image-carrying fiber bundle, the image-carrying fiber bundle are used for the optical transmission of information that the camera lens gathers to the photosensitive core
Piece；
Wherein, the image-carrying fiber bundle has a plurality of optical fiber；The light that the optical information medium wavelength is less than preset value passes through
The total reflection of the side wall of the optical fiber, one close to the sensitive chip is transferred to close to one end of the camera lens by the optical fiber
End；The optical information medium wavelength is not less than the light of the preset value, is emitted by fiber sidewall, and then filter out wavelength and be not less than
The light of the preset value.
Preferably, in above-mentioned camera module, normal and the camera lens of the optical fiber towards the end face of the camera lens
Optical axis there is default angle, the angle is less than 90 °, and more than 0 °.
Preferably, in above-mentioned camera module, the sensitive chip is visible ray sensitive chip.
Preferably, in above-mentioned camera module, the image-carrying fiber bundle is used for the light for filtering out infrared band.
Preferably, in above-mentioned camera module, the length range of the image-carrying fiber bundle is 4cm-5cm, including end points
Value.
Preferably, in above-mentioned camera module, in addition to：
Optical filter, the optical filter are used to filter out the light that wavelength is not less than the preset value；
Wherein, after the light by image-carrying fiber bundle outgoing is by the optical filter, it is incident to the sensitive chip；
Preferably, in above-mentioned camera module, in addition to：
Base, the base have through hole；
Wherein, one end of the image-carrying fiber bundle emergent ray is fixed on an opening of the through hole；The photosensitive core
Piece is fixed on another opening of the through hole；The optical filter is located between two openings of the through hole.
Present invention also offers a kind of electronic equipment, the electronic equipment includes：
Camera module, the camera module are the camera module as described in claim any one of 1-7.
In the camera module and electronic equipment that are provided by foregoing description, technical solution of the present invention, pass through biography
As fibre bundle connection lens and sensitive chip, due to the bendability characteristics of image-carrying fiber bundle so that camera lens and sensitive chip
Position is not required to face, and when one of camera lens and sensitive chip position are fixed, the position of another one can utilize image transmission optical fibre
The flexural property of beam is arbitrarily set, and aligning accuracy requires low.And it can be filtered out using the principle of the transmission ray of optical fiber default
Light, filter out veiling glare, improve image quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of top view of common camera module in the prior art；
Fig. 2 is the side view of camera module shown in Fig. 1
Fig. 3 is a kind of structural representation of camera module provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
With reference to figure 3, Fig. 3 is a kind of structural representation of camera module provided in an embodiment of the present invention, the shooting head mould
Group includes：Camera lens 21, the camera lens 21 are used to gather optical information；Sensitive chip 22, the sensitive chip 22 are used for optical information
Be converted to image information；Image-carrying fiber bundle 23, the image-carrying fiber bundle 23 are used for the optical transmission of information for gathering the camera lens 21
To the sensitive chip 22.
Wherein, the image-carrying fiber bundle has a plurality of optical fiber；The light that the optical information medium wavelength is less than preset value passes through
The total reflection of the side wall of the optical fiber, one close to the sensitive chip is transferred to close to one end of the camera lens by the optical fiber
End；The optical information medium wavelength is not less than the light of the preset value, is emitted by fiber sidewall, and then filter out wavelength and be not less than
The light of the preset value.
On the one hand, in camera module described in the embodiment of the present invention, camera lens 21 is gathered by the image-carrying fiber bundle 23
Optical transmission of information to the sensitive chip 22, relative to optical information in the prior art directly by own space propagation to photosensitive
The mode of chip, the installation fixing position for not limiting sensitive chip 22 and camera lens 21 are put, and can cause camera lens 21 and sensitive chip 22
Installation site it is more flexible and convenient, reduce aligning accuracy requirement, improve production efficiency.
On the other hand, optical signal is transmitted by total reflection of the side wall to light in light.It is former according to total reflection
C >=arc (sin (1/n)) is managed, C is the angle of total reflection, and n is refractive index of the light in propagation medium.For same propagation medium
(being optical fiber in the embodiment), refractive index increases with the reduction of wavelength of light, and therefore, the wavelength of light is longer, does not allow more
Easily it is totally reflected.Therefore,, can by setting the incidence angle of light incident ray end face when optical information is propagated in light
Adjust the angle of total reflection of light in a fiber so that the light of specific band can not be totally reflected, and then pass through fiber sidewall
Outgoing, so as to filter out the light of the specific band, realizes filter function.
The optical fiber has default angle, the angle towards the normal of the end face of the camera lens and the optical axis of the camera lens
Less than 90 °, and more than 0 °.As described above, in order to filter out the light that wavelength is not less than the preset value, by adjusting the default folder
The scope at angle, the incidence angle that the emergent ray of camera lens 21 incides fiber end face can be adjusted, and then adjust light in fiber sidewall
Angle of reflection so that the light for setting wave band meets full transmitting condition, anti-raw total reflection so that the light for setting wave band is unsatisfactory for
Total reflection condition, directly it is emitted by fiber sidewall, realizes filter function, filters out the light that wavelength is not less than the preset value.
As described above, in the embodiment of the present invention, by the optical information of the collection of spread fiber camera lens 21, it can filter out long wavelength's
Light so that the light of short wavelength is transmitted to sensitive chip 22.Specific using this, the camera module can be used for visible ray
Imaging, light of the wavelength more than the infrared band of visible ray is filtered out by optical fiber, improves visual light imaging quality.Now, it is described
Sensitive chip 22 is visible ray sensitive chip.The image-carrying fiber bundle 23 is used for the light for filtering out infrared band.
In camera module described in the embodiment of the present invention, the length range of the image-carrying fiber bundle 23 is 4cm-5cm, bag
Include endpoint value.While realization freely adjusts the relative position of camera lens 21 and sensitive chip 22, it can avoid due to described
The inconvenience of the image-carrying fiber bundle 23 is accommodated caused by image-carrying fiber bundle 23 is long.
As shown in figure 3, in camera module described in the embodiment of the present invention, in addition to：Optical filter 24, the optical filter 24 are used
In filter out wavelength be not less than the preset value light.Wherein, the light being emitted by the image-carrying fiber bundle 23 passes through described
After optical filter 24, the sensitive chip 22 is incident to.Filter effect is further improved by optical filter 24, at utmost to filter out
Wavelength is not less than the light of the preset value.When the camera module as described in is visual light imaging camera module, the optical filter
For infrared fileter, for filtering out infrared light.
As shown in figure 3, in camera module described in the embodiment of the present invention, in addition to：Base 25, the base 25 have logical
Hole 26.Wherein, one end of the emergent ray of image-carrying fiber bundle 23 is fixed on an opening of the through hole 26；The photosensitive core
Piece 22 is fixed on another opening of the through hole 26；The optical filter 24 is located between two openings of the through hole 26.
By foregoing description, in camera module described in the embodiment of the present invention, mirror is connected by image-carrying fiber bundle 23
First 21 and sensitive chip 22, due to the bendability characteristics of image-carrying fiber bundle 23 so that the position of camera lens 21 and sensitive chip 22
Face is not required to, when one of camera lens 21 and sensitive chip 22 position are fixed, the position of another one can utilize image transmission optical fibre
The flexural property of beam 23 is arbitrarily set, and aligning accuracy requires low.And it can be filtered out using the principle of the transmission ray of optical fiber pre-
If light, filter out veiling glare, improve image quality.
Based on the camera module described in above-described embodiment, another embodiment of the present invention additionally provides a kind of electronic equipment,
Characterized in that, the electronic equipment includes：Camera module described in above-described embodiment
The electronic equipment can be the electricity that mobile phone, tablet personal computer, camera and intelligent helmet etc. have imaging function
Sub- equipment.
The electronic equipment has the camera module described in above-described embodiment, can be reduced using the flexural property of optical fiber
The aligning accuracy of camera lens and sensitive chip, default light is filtered out using the principle of the transmission ray of optical fiber, filters out veiling glare, improved
Image quality.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For electronics disclosed in embodiment
For equipment, due to its with embodiment disclosed in camera module it is corresponding, so description is fairly simple, related part referring to
Camera module appropriate section illustrates.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of camera module, it is characterised in that the camera module includes：
Camera lens, the camera lens are used to gather optical information；
Sensitive chip, the sensitive chip are used to optical information being converted to image information；
Image-carrying fiber bundle, the image-carrying fiber bundle are used for the optical transmission of information that the camera lens gathers to the sensitive chip；
Wherein, the image-carrying fiber bundle has a plurality of optical fiber；The optical information medium wavelength passes through described less than the light of preset value
The total reflection of the side wall of optical fiber, it is transferred to by the optical fiber close to one end of the camera lens close to one end of the sensitive chip；
The optical information medium wavelength is not less than the light of the preset value, is emitted by fiber sidewall, and then filter out wavelength and be not less than institute
State the light of preset value.
2. camera module according to claim 1, it is characterised in that method of the optical fiber towards the end face of the camera lens
The optical axis of line and the camera lens has default angle, and the angle is less than 90 °, and more than 0 °.
3. camera module according to claim 2, it is characterised in that the sensitive chip is visible ray sensitive chip.
4. camera module according to claim 2, it is characterised in that the image-carrying fiber bundle is used to filter out infrared band
Light.
5. camera module according to claim 1, it is characterised in that the length range of the image-carrying fiber bundle is 4cm-
5cm, including endpoint value.
6. camera module according to claim 1, it is characterised in that also include：
Optical filter, the optical filter are used to filter out the light that wavelength is not less than the preset value；
Wherein, after the light by image-carrying fiber bundle outgoing is by the optical filter, it is incident to the sensitive chip.
7. camera module according to claim 6, it is characterised in that also include：
Base, the base have through hole；
Wherein, one end of the image-carrying fiber bundle emergent ray is fixed on an opening of the through hole；The sensitive chip is consolidated
It is scheduled on another opening of the through hole；The optical filter is located between two openings of the through hole.
8. a kind of electronic equipment, it is characterised in that the electronic equipment includes：
Camera module, the camera module are the camera module as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764429.1A CN107483785A (en) | 2017-08-30 | 2017-08-30 | A kind of camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764429.1A CN107483785A (en) | 2017-08-30 | 2017-08-30 | A kind of camera module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107483785A true CN107483785A (en) | 2017-12-15 |
Family
ID=60604196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710764429.1A Pending CN107483785A (en) | 2017-08-30 | 2017-08-30 | A kind of camera module and electronic equipment |
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| Country | Link |
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| CN (1) | CN107483785A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051799A (en) * | 2018-01-30 | 2018-05-18 | 广州市君望机器人自动化有限公司 | Ranging camera head and equipment |
| CN108225259A (en) * | 2018-01-30 | 2018-06-29 | 广州市君望机器人自动化有限公司 | Ranging group robot and system |
| CN112887453A (en) * | 2019-11-29 | 2021-06-01 | 北京小米移动软件有限公司 | Terminal device |
| CN114449132A (en) * | 2022-03-18 | 2022-05-06 | 广东小天才科技有限公司 | Image shooting device based on optical fiber |
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| CN200950175Y (en) * | 2006-09-26 | 2007-09-19 | 河北工业大学 | Optical microscope of optical fiber transmission illumination system |
| CN203965656U (en) * | 2014-07-23 | 2014-11-26 | 中视迪威激光显示技术有限公司 | Fibre optic image transmission projection lens |
| CN105652431A (en) * | 2016-03-30 | 2016-06-08 | 中国科学院合肥物质科学研究院 | Radiation-resistant and radiation-protective combined periscope type light path structure |
| CN205885398U (en) * | 2016-06-17 | 2017-01-18 | 奥斯奥鹏外科产品股份公司 | Polymer medical science endoscope |
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|---|---|---|---|---|
| US5317452A (en) * | 1992-11-17 | 1994-05-31 | Harvard University | Aligning and attaching a lens to a source of emitted light using light pressure force |
| CN200950175Y (en) * | 2006-09-26 | 2007-09-19 | 河北工业大学 | Optical microscope of optical fiber transmission illumination system |
| CN203965656U (en) * | 2014-07-23 | 2014-11-26 | 中视迪威激光显示技术有限公司 | Fibre optic image transmission projection lens |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051799A (en) * | 2018-01-30 | 2018-05-18 | 广州市君望机器人自动化有限公司 | Ranging camera head and equipment |
| CN108225259A (en) * | 2018-01-30 | 2018-06-29 | 广州市君望机器人自动化有限公司 | Ranging group robot and system |
| CN112887453A (en) * | 2019-11-29 | 2021-06-01 | 北京小米移动软件有限公司 | Terminal device |
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| CN114449132A (en) * | 2022-03-18 | 2022-05-06 | 广东小天才科技有限公司 | Image shooting device based on optical fiber |
| CN114449132B (en) * | 2022-03-18 | 2024-04-19 | 广东小天才科技有限公司 | Image shooting device based on optical fiber |
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Application publication date: 20171215 |
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