CN105100573B - Camera module and electronic device - Google Patents
Camera module and electronic device Download PDFInfo
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- CN105100573B CN105100573B CN201510519118.XA CN201510519118A CN105100573B CN 105100573 B CN105100573 B CN 105100573B CN 201510519118 A CN201510519118 A CN 201510519118A CN 105100573 B CN105100573 B CN 105100573B
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Abstract
A kind of camera module, including shell, camera lens, spectroscope, first sensor and second sensor, shell includes receiving space, camera lens is located at receiving space one end and closes receiving space, spectroscope is fixed in receiving space, spectroscope via the light of camera lens incidence will be divided into the first light and the second light, first sensor is fixed in receiving space, to receive the first light or the second light, second sensor is fixed in receiving space, it is arranged at angle with first sensor, second sensor is receiving the second light or the first light.Camera module provided by the invention will be divided into the first light and the second light by setting spectroscope via the light of camera lens incidence, if first sensor and second sensor are respectively receiving the first light or the second light.It is acted on by the division of labor of first sensor and second sensor, so as to improve focusing speed, improves imaging effect.In addition, the present invention also provides a kind of electronic devices with above-mentioned camera module.
Description
Technical field
The present invention relates to electronic field more particularly to a kind of camera modules and electronic device.
Background technology
With the rapid development of electronic device, more and more manufacturer terminals in order to increase the attraction of intelligent terminal,
By taking mobile phone as an example, manufacturer starts to put into the experience of taking pictures that energy goes promotion mobile phone entirety, and focusing speed is consumer face slowly
The disadvantage faced.
In order to solve the problems, such as that above-mentioned focusing speed is slow, each manufacturer terminal in market mainly uses phase to focus (PDAF) at present
Scheme, the program mainly by being transformed to the optical filter above Sensor section pixel, are modified by detecting these
Pixel receives the phase difference of light to judge focal distance, to realize focusing.However, the existing sensor for supporting phase focusing
It will appear following two problems；
First, the point as realization phase focusing pixel is regarded as bad point, is not involved in imaging, and in order to ensure focusing
Accuracy, it is necessary to there is the pixel of enough ratios to be used for phase focus function, this measure can seriously affect the clear effect of imaging；
Secondly, if to complete the compensation of these bad points, it is necessary to have mating platform compensating bad point algorithm and sensor
Compensating bad point algorithm, and overall power can be increased considerably by starting this algorithm, this measure can make cell-phone heating serious, and power consumption adds
Soon, user experience is greatly affected.
Invention content
In view of this, can ensure to scheme in view of the deficiencies of the prior art, the present invention aims to provide one kind
As focusing clarity and the camera module and electronic device of raising user experience.
To achieve the above object, the present invention provides a kind of camera module, wherein the camera module include shell, camera lens,
Spectroscope, first sensor and second sensor, the shell include a receiving space, and the camera lens is located at receiving sky
Between one end and the receiving space is closed, the spectroscope be fixed in the receiving space and with the coaxial phase of the camera lens
To setting, will be divided into the first light and the second light via the light of camera lens incidence, the first sensor is solid
Due in the receiving space, to receive first light or the second light, the second sensor is fixed on the receipts
Hold in space, and the second sensor is arranged with the first sensor at angle, and the second sensor is receiving
Second light or the first light.
Wherein, the first sensor be imaging sensor, the first sensor can obtain first light or
Image information in second light and part luma information, the second sensor is phase-detection focusing sensor, described
Second sensor can obtain the phase difference in second light or the first light.
Wherein, the camera module further includes image processor, described image processor and the first sensor and
Second sensor is electrically connected, and described image processor is bright to the image information that passes over the first sensor, part
The phase difference that degree information and the second sensor pass over is handled and is imaged.
Wherein, the camera module further includes an optical filter, and the optical filter is fixed in the receiving space, the filter
Mating plate is between the spectroscope and the first sensor, and the optical filter is filtering out first light or second
Extra light in light.
Wherein, the receiving space is equipped with an opening, and the camera lens includes driving mechanism and lens, and the lens are located at institute
Opening is stated, the light of the open outer side is transmitted through the spectroscope through the lens, and the driving mechanism driving is described
Mirror moves, to adjust the focal position of the lens.
Wherein, the drive motor be voice coil motor, in set motor or closed loop motor.
Wherein, the lens include the first convex lens and the second convex lens stacked gradually, first convex lens and institute
It states the second convex lens and transmits the light successively.
Wherein, the camera module further includes flexible PCB, and the flexible PCB is located at the enclosure interior, described
Flexible PCB is electrically connected with the first sensor and second sensor.
Wherein, the center weight of the effective coverage geometric center of the first sensor and second sensor and the camera lens
It closes, and the effective coverage geometric center of the first sensor and the second sensor is to the optics of the optical center
Most short active path is equal.
Correspondingly, the present invention also provides a kind of electronic device, the electronic device includes ontology, display screen, mainboard, sets
It is placed in the control element of mainboard and above-mentioned camera module, the camera module, display screen and mainboard are both secured to described
Ontology, the camera module and the display screen are electrically connected the control element, and the control element controls the camera shooting mould
Group is taken pictures, and described image information is shown to obtain the image information of the camera module and control the display screen.
Camera module provided by the invention is coaxially oppositely arranged by the way that spectroscope is arranged with camera lens, will be via camera lens incidence
Light be divided into the first light and the second light, then the receiving that first sensor and second sensor are fixed on shell is set
In space, first sensor can receive the first light or the second light, and second sensor can receive the second light or first
Light.It is acted on by the division of labor of first sensor and second sensor, figure is carried out using a sensor instead of existing
As handling and the design method focused, can either ensure the consistency of focusing, but can avoid using single sensor and
The fogging image of appearance, power consumption and the problem of be unfavorable for user experience, improve image taking effect, and then improve user's body
It tests.
Description of the drawings
For more clearly illustrate the present invention construction feature and effect, come below in conjunction with the accompanying drawings with specific embodiment to its into
Row is described in detail.
Fig. 1 is the structural schematic diagram of camera module provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
Referring to Fig. 1, the present invention provides a kind of electronic device, the electronic device includes ontology (not identified in figure), shows
Display screen (not identified in figure), mainboard (not identified in figure), the control element being set on the mainboard and camera module 100,
The camera module 100, display screen and the mainboard are set on the ontology.The camera module 100 and the display
Screen is electrically connected the control element, and the control element controls the camera module 100 and takes pictures, to obtain the camera shooting
The image information of module 100 simultaneously controls the display screen display described image information.
The electronic device 100 can be including but not limited to mobile phone, personal digital assistant (Personal Digital
Assistant, PDA), tablet computer, the electronic equipments such as camera.In the present embodiment, it is for mobile phone with the electronic device 100
Example illustrates.
The camera module 100 includes shell 10, camera lens 20, spectroscope 30, first sensor 40 and second sensor
50, the shell 10 includes a receiving space 11.The camera lens 20 is located at one end of the receiving space 11 and by the receiving
It closes in space 11.The spectroscope 30 is fixed in the receiving space 11, the spectroscope 30 and 20 coaxial phase of the camera lens
To setting, the first light L2 and the second light L3 will be divided into via the incident light L1 of the camera lens 20.Described first
Sensor 40 is fixed in the receiving space 11, to receive the first light L2 or the second light L3.Described second passes
Sensor 50 is fixed in the receiving space 11, and the second sensor 50 is receiving the second light L3 or described first
Light L2.
Camera module 100 provided by the invention is by being arranged the first sensor 40 and second sensor 50, so
The spectroscope 30 is arranged afterwards to be divided into the first light L2 and second via the incident light L1 of the camera lens 20
Then light L3 receives the first light L2 or the second light L3, the second sensor by the first sensor 40
50 receive the second light L3 or the first light L2, are closed by the first sensor 40 and the division of labor of second sensor 50
Make, instead of the existing problem not high only with image definition caused by a sensor progress image focusing, thus
Image taking effect is improved, user experience is improved.
Specifically, the shell 10 can be made of plastic parts.The shell 10 can be rectangular or cylindrical etc..
Preferably, the shell 10 includes bottom plate 101 and encloses in the hood 102 on 101 periphery of the bottom plate.The hood
The receiving space 11 is formed between 102 and the bottom plate 101, the receiving space 111 has an opening 111, the opening
111 directions for facing away from the bottom plate 101 open up.As shown, the opening direction of the opening 111 is towards straight up
Direction be arranged, so as to convenient for by it is described opening 111 outside light throw to the camera lens 20.In other embodiment
In, the shell 10 can also be to be made of lower cover and cover board, and then the opening 111 is opened on the cover board.
The camera lens 20 is focused on using lens or compound lens on scenery, and the light L1 is projected to institute to realize
It states in receiving space 11, so that the first sensor 40 and the second sensor 50 can clearly identify scenery
Image.
In the present embodiment, the camera lens 20 includes driving mechanism 21 and lens 22, and the lens 22 are located at the opening
At 111, and close the opening 111.The light in 111 outside of the opening is transmitted through the spectroscope 30 via the lens 22
On, the driving mechanism 21 drives the lens 22 to move, to adjust the focal position of the lens 22.Specifically, the drive
Motivation structure 21 be voice coil motor, in set motor or closed loop motor.The driving mechanism 21 can be set to the lens 22 side, under
Side or other positions, to realize the effect for driving the lens 22 to move.The lens 22 include stack gradually it is first convex
Lens 221 and the second convex lens 222, first convex lens 221 and second convex lens 222 transmit the light successively
L1.The camera lens 20 further includes sleeve 223, and first convex lens 221 and second convex lens 222 are in turn secured to sleeve
The lateral wall at 223 both ends, the sleeve 223 is bolted in the driving mechanism 21, and the driving mechanism 21 drives the sleeve
223 rotations, that is, realize that the sleeve 223 is moved back and forth along the opening direction of the receiving space 11, described in driving
First convex lens 221 and second convex lens 222 are moved back and forth along the opening direction of the receiving space 11, and then are driven
First convex lens 221 and second convex lens 222 are moved closer or far from scenery, to realize the focus of the lens 22
Position is adjusted.In other embodiments, the driving mechanism 21 can also be that electromagnetic drive, the lens 22 can also be packet
Include the compound lens of convex lens and concavees lens.
The spectroscope 30 is fixed on the lower section of the camera lens 20.In the present embodiment, the spectroscope 30 is half-reflection and half-transmission
The light L1 is divided into the first light L2 and the second light L3 by mirror to realize.Specifically, the spectroscope
30 can be used the combination of 70% transmission and 30% reflection, to realize can either transmitted ray, and be capable of reflecting light line
Effect.It is understood that in other embodiments, the spectroscope 30 can also according to actual use situation adjustment transmission with
And the combination of reflection.
Further, the spectroscope 30 be a right angle triangular prism, the spectroscope 30 include a right-angle surface 31 with
And light splitting surface 32, one 45 ° of angles are formed between the light splitting surface 32 and the right-angle surface 31, as shown in the figure.The light L1 warps
It is projected on the light splitting surface 32 by the camera lens 20, is divided into the first light L2 and the second light in the light splitting surface 32
L3, the first light L2 are directly projected to by the right-angle surface 31 on the first sensor 40 or second sensor 50,
The second light L3 is directly reflexed to by the light splitting surface 32 in the second sensor 50 or first sensor 40.
The first sensor 40 can be imaging sensor, and the first sensor 40 can obtain the first light L2
Or the second image information and part luma information in light L3.In the present embodiment, the first sensor 40 can be located at institute
State 30 lower section of spectroscope.Specifically, the first sensor 40 can be located at the lower section of the right-angle surface 31, the first sensor
40 are securable on the bottom plate 101, and are extended along the length direction of the bottom plate 101, that is, the first sensor 40
It is horizontally disposed.The first sensor 40 can receive the first light L2 transmitted via the right-angle surface 31, into
And image information and part luma information in the first light L2 can be obtained.Preferably, the first sensor 40
For color image sensor, so as to be convenient for subsequent imaging.It is understood that in other embodiments, described first
Sensor 40 can also be PDAF (Phase Detection Auto-Focus phase-detections auto-focusing) sensor.
The second sensor 50 is arranged with the first sensor 40 at angle, and the second sensor 50 is PDAF
(Phase Detection Auto-Focus phase-detections auto-focusing) sensor, the second sensor 50 can obtain institute
State the phase difference in the second light L3 or the first light L2.In the present embodiment, the second sensor 50 is located at the spectroscope
Specifically, the second sensor 50 is located at the side of the light splitting surface 32 to 30 side, and the second sensor 50 can be bonded
The inner wall of the receiving space 11 is arranged, and extends along the length direction of the receiving space 11, that is, the second sensor 50
Vertically it is arranged, and the second sensor 50 is vertically arranged with the first sensor 40.The second sensor
50 can receive the second light L3 reflected via the light splitting surface 32, and then can obtain the phase in the second light L3
Potential difference information, so as to be convenient for subsequent focusing.It is understood that in other embodiments, the second sensor 50
It can also be color image sensor.
Further, the effective coverage geometric center of the first sensor 40 and second sensor 50 and the camera lens
20 center overlaps, and the effective coverage geometric center of the first sensor 40 and the second sensor 50 is to described
The most short active path of optics at 20 center of camera lens is equal.In the present embodiment, 40 surface of the first sensor has multiple imagings
Point, the surface of the second sensor 50 have multiple effective phase-detection points, the center of multiple imaging points and multiple
The center of effective phase-detection point is respectively formed the effective coverage geometric center, and the camera lens 20 includes optical axis (in figure
Do not identify), the optical axis is overlapped with the effective coverage geometric center of the first sensor 40 and second sensor 50, to protect
Demonstrate,prove the camera shooting flatness of the camera module 100.In addition, the first sensor 40 and the second sensor 50 is effective
The most short active path of optics of region geometry center to the optical center is equal, i.e., the described second light L2 to described first is passed
The distance of the receiving plane of sensor 40 is equal at a distance from the receiving plane of the third light L3 to the second sensor 50, to
It can ensure that the first sensor 40 is consistent with the focal length of the second sensor 50, to ensure rapid focus effect.
When being taken pictures using the camera module 100, the second sensor 50 can be detected in real time to described
The phase difference of two light L3, according to the phase information judge the departure of focus, to transmit the departure
On the control element on to the mainboard so that the control element receives the departure and controls the driving mechanism
21, which drive the lens 22 to be moved to focusing position, completes focusing, and controls described image processor and take pictures, to obtain
The image information of the transmission of first sensor 40 on described image processor simultaneously controls the display screen display described image information,
To reach imaging effect.Image information is obtained by the first sensor 40 and the second sensor 50 obtains focusing
Information, so as to solve to be imaged unintelligible caused by one sensor of existing use is focused and increase terminal energy
The problem of consumption, so that focusing more rapid and convenient, and imaging effect is more preferably.
Further, the camera module 100 further includes optical filter 60, and the optical filter 60 is fixed on the receiving space
In 11, the optical filter 60 is filtering out the extra light in second light of the first light L2 or described L3.The present embodiment
In, the optical filter 60 can be smalt, the optical filter 60 be located at the spectroscope 30 and the first sensor 40 it
Between, to filter out the longer light of light in the first light L2, so that the first sensor 40 is known
Other image information is softer, so that the camera module 100 can shoot the softer photo of image information, in turn
Improve the effect of taking pictures of the camera module 100.
Further, the camera module 100 further includes image processor (not identified in figure), described image sensor with
The first sensor 40 and the second sensor 50 are electrically connected, and described image processor by described first sensing
The phase difference that image information, part luma information and the second sensor 50 that device 40 passes over pass over carries out
It handles and is imaged.In the present embodiment, described image processor can be set in the shell 10, can be also set on the ontology.It is excellent
Selection of land, described image processor can be set to the chip on the mainboard.
Further, the camera module 100 further includes flexible PCB (not identified in figure), the flexible PCB electricity
It is connected to the first sensor 40 and the second sensor 50.And preferably, the flexible PCB and described image
Processor is electrically connected, and the flexible PCB realizes the digital information and the second sensor 50 of the first sensor 40
The transmission of digital information, and the flexible PCB can be set in the shell 10 or on the ontology, it is described soft
Property circuit board can pass through connecting line or connector and handled with the first sensor 40, second sensor 50 and described image
Device is electrically connected, and to realize the detachability of the camera module 100, and increases the suitability of the camera module 100, side
Just the maintenance of the camera module 100 is replaced.
Camera module provided by the invention is coaxially oppositely arranged by the way that spectroscope is arranged with camera lens, will be via camera lens incidence
Light be divided into the first light and the second light, then the receiving that first sensor and second sensor are fixed on shell is set
In space, first sensor can receive the first light or the second light, and second sensor can receive the second light or first
Light.It is acted on by the division of labor of first sensor and second sensor, figure is carried out using a sensor instead of existing
As handling and the design method focused, can either ensure the consistency of focusing, but can avoid using single sensor and
The fogging image of appearance, power consumption and the problem of be unfavorable for user experience, improve image taking effect, and then improve user's body
It tests.
The above is the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this
The protection domain of invention.
Claims (7)
1. a kind of camera module, which is characterized in that the camera module include shell, camera lens, spectroscope, first sensor and
Second sensor, the shell include a receiving space, and the camera lens is located at one end of the receiving space and by the receiving
Space-closed, the spectroscope are fixed in the receiving space and are coaxially oppositely arranged with the camera lens, to will be via institute
The light for stating camera lens incidence is divided into the first light and the second light, the spectroscope according to actual use situation adjustment transmission with
And the combination of reflection, the first sensor are fixed on the bottom plate in the receiving space, and along floor length direction
It is extended, to receive first light or the second light, the second sensor is fixed on institute in the receiving space
On the inner wall for stating spectroscopical side, and be vertically arranged, and the second sensor and the first sensor at
Angle is arranged, and the second sensor is receiving second light or the first light；
The camera module further includes an optical filter, and the optical filter is fixed in the receiving space, and the optical filter is located at
Between the spectroscope and the first sensor, the optical filter is more in first light or the second light to filter out
Remaining light line；
The effective coverage geometric center of the first sensor and second sensor is overlapped with the center of camera lens, and described
The effective coverage geometric center of one sensor and the second sensor to the optical center the most short active path of optics
It is equal；
The first sensor is imaging sensor, and the first sensor can obtain in first light or the second light
Image information and part luma information, the second sensor be phase-detection focus sensor, the second sensor
The phase difference in second light or the first light can be obtained.
2. camera module according to claim 1, which is characterized in that the camera module further includes image processor, institute
It states image processor to be electrically connected with the first sensor and second sensor, described image processor is to by described first
The phase difference that image information, part luma information and the second sensor that sensor passes come pass over carries out
It handles and is imaged.
3. camera module according to claim 1, which is characterized in that the receiving space is equipped with an opening, the camera lens
Including driving mechanism and lens, the lens are located at the opening, and the light of the open outer side is transmitted through through the lens
The spectroscope, the driving mechanism drives the lens movement, to adjust the focal position of the lens.
4. camera module according to claim 3, which is characterized in that the drive motor be voice coil motor, in set motor
Or closed loop motor.
5. camera module according to claim 3, which is characterized in that the lens include the first convex lens stacked gradually
With the second convex lens, first convex lens and second convex lens transmit the light successively.
6. camera module according to claim 1, which is characterized in that the camera module further includes flexible PCB, institute
It states flexible PCB and is located at the enclosure interior, the flexible PCB is electrically connected with the first sensor and second sensor
It connects.
7. a kind of electronic device, which is characterized in that the electronic device includes ontology, display screen, mainboard, the control for being set to mainboard
Element processed and the camera module as described in claim 1~6 any one, the camera module, display screen and mainboard are equal
It is fixed on the ontology, the camera module and the display screen are electrically connected the control element, the control element control
The camera module is taken pictures, and described image is shown to obtain the image information of the camera module and control the display screen
Information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519118.XA CN105100573B (en) | 2015-08-21 | 2015-08-21 | Camera module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519118.XA CN105100573B (en) | 2015-08-21 | 2015-08-21 | Camera module and electronic device |
Publications (2)
| Publication Number | Publication Date |
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| CN105100573A CN105100573A (en) | 2015-11-25 |
| CN105100573B true CN105100573B (en) | 2018-09-04 |
Family
ID=54580036
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510519118.XA Active CN105100573B (en) | 2015-08-21 | 2015-08-21 | Camera module and electronic device |
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| CN (1) | CN105100573B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102536083B1 (en) * | 2015-12-24 | 2023-05-24 | 삼성전자주식회사 | Imaging device, electronic device and image acquisition method of the same |
| CN106331484B (en) * | 2016-08-24 | 2020-02-14 | 维沃移动通信有限公司 | Focusing method and mobile terminal |
| CN107241467B (en) * | 2017-05-11 | 2020-08-07 | Oppo广东移动通信有限公司 | Electronic device |
| CN107181904A (en) * | 2017-07-28 | 2017-09-19 | 信利光电股份有限公司 | A kind of camera module and its lens base |
| CN107277332A (en) * | 2017-07-31 | 2017-10-20 | 广东欧珀移动通信有限公司 | A kind of camera module and electronic equipment |
| CN107820000A (en) * | 2017-12-14 | 2018-03-20 | 信利光电股份有限公司 | A kind of camera module and terminal |
| CN107835352A (en) * | 2017-12-14 | 2018-03-23 | 信利光电股份有限公司 | A kind of camera module and terminal |
| CN110381229A (en) * | 2018-04-13 | 2019-10-25 | 甘肃智呈网络科技有限公司 | A kind of spectroscopic imaging device |
| CN109862261A (en) * | 2018-12-29 | 2019-06-07 | 努比亚技术有限公司 | Filming apparatus, shooting processing method, terminal and computer readable storage medium |
| CN111698392B (en) * | 2019-03-12 | 2022-01-07 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN113497867B (en) * | 2020-04-03 | 2023-07-04 | 北京小米移动软件有限公司 | Confocal camera module and electronic equipment |
| CN112492168A (en) * | 2020-12-01 | 2021-03-12 | 维沃移动通信（杭州）有限公司 | Camera module, video recording method and electronic equipment |
| CN113571538A (en) * | 2021-06-24 | 2021-10-29 | 维沃移动通信有限公司 | Pixel structure, image sensor, control method and device and electronic equipment |
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| CN1736096A (en) * | 2003-09-29 | 2006-02-15 | 卡西欧计算机株式会社 | Image sensing apparatus |
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| CN103197493A (en) * | 2013-04-24 | 2013-07-10 | 深圳市威展力众科技有限公司 | Optical filter device arranged between camera lens and image sensor |
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| US9594246B2 (en) * | 2014-01-21 | 2017-03-14 | Osterhout Group, Inc. | See-through computer display systems |
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| CN1736096A (en) * | 2003-09-29 | 2006-02-15 | 卡西欧计算机株式会社 | Image sensing apparatus |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |