CN107295225A - Camera model - Google Patents
Camera model Download PDFInfo
- Publication number
- CN107295225A CN107295225A CN201710242537.2A CN201710242537A CN107295225A CN 107295225 A CN107295225 A CN 107295225A CN 201710242537 A CN201710242537 A CN 201710242537A CN 107295225 A CN107295225 A CN 107295225A
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- CN
- China
- Prior art keywords
- camera lens
- lens module
- camera
- optical axis
- housing
- 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
-
- 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
- H04N23/51—Housings
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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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
Two camera lens modules can be arranged being equipped with a housing of two mobile spaces according to the camera model of one embodiment of the invention, so as to improve the reliability to external impact etc., and the distance between light center of two camera lens modules can be formed as less than to the width of housing, so as to realize the miniaturization of size while using two camera lens modules.
Description
Technical field
The present invention relates to a kind of camera model.
Background technology
Camera model is employed in the mobile communication terminal such as smart mobile phone and tablet PC, notebook computer substantially.
In addition, the double camera (dual camera) for being provided with two camera models is recently disclosed, and this double camera is only
It is designed to the form for merely gathering two independent camera models in parallel.
This mode can make the size of camera model become big, and more fragile for later stage deformation etc., therefore exist and need
The problem of carrying out the extra reinforcing by reinforcing member.
The content of the invention
It is that there is provided a kind of following camera model according to the purpose of one embodiment of the invention：Can be using two mirrors
Head module, while improving the reliability for external impact etc., and can minimize size.
Included according to the camera model of one embodiment of the invention：First camera lens module and the second camera lens module, with independence
The mode that ground shoots subject is constituted；Housing, is equipped with inner space to house the first camera lens module and the second camera lens module；Its
In, the beeline between the optical axis of the optical axis of first camera lens module and second camera lens module is less than the housing
Width.
Camera model according to another embodiment of the present invention includes：First camera lens module and the second camera lens module, are constituted
For that directionally independent can be moved along three perpendicular to one another；Housing, is equipped with inner space to house the first camera lens mould
Block and second camera lens module；The visual angle of first camera lens module and the visual angle of second camera lens module are configured to each other
Beeline between the optical axis of difference, the optical axis of first camera lens module and second camera lens module is less than the housing
Width.
It can be arranged according to the camera model of one embodiment of the invention being equipped with a housing of two mobile spaces
Two camera lens modules, so that the reliability to external impact etc. is improved, and can be by between the light center of two camera lens modules
Distance be formed as less than the width of housing, so as to realize the miniaturization of size while using two camera lens modules.
It can be improved according to the camera model of one embodiment of the invention while using two camera lens modules for outer
The reliability of portion's impact etc., and size can be minimized.
Brief description of the drawings
Fig. 1 is the partial exploded perspective view of the camera model according to one embodiment of the invention.
Fig. 2 is Fig. 1 plan.
Fig. 3 a and Fig. 3 b are the tellites and shell shown in the camera model according to one embodiment of the invention
The stereogram of the integrated structure of body.
Fig. 4 is to show that two imaging sensors have each other respectively in the camera model according to one embodiment of the invention
The stereogram of the situation of different sizes.
Fig. 5 is the bonding pad for showing each imaging sensor in the camera model according to one embodiment of the invention
The stereogram of the shape of (bonding pad).
Fig. 6 a and Fig. 6 b are the deformations for showing the imaging sensor in the camera model according to one embodiment of the invention
The stereogram of example.
Fig. 7 is the solid for the variation for showing the Infrared filter in the camera model according to one embodiment of the invention
Figure.
Fig. 8 a and Fig. 8 b are to show to make each camera lens module edge in the camera model according to one embodiment of the invention
The stereogram of the composition of the first actuator of optical axis direction movement.
Fig. 9 a and Fig. 9 b are to include being used to make each camera lens module along optical axis direction and perpendicular to the direction of optical axis direction
The exploded perspective view of the camera model of the second mobile actuator.
Figure 10 is the exploded perspective view of the second actuator in the camera model according to one embodiment of the invention.
Figure 11 is shown in the camera model according to one embodiment of the invention, and two camera lens modules are not along optical axis
The stereogram of the situation of the fixed focus lens module of direction movement.
Symbol description
100：Housing 210：First camera lens module
230：Second camera lens module 300：First actuator
400：Image sensor module 410：First imaging sensor
430：Second imaging sensor 450：Tellite
600：Second actuator
Embodiment
Hereinafter, embodiments of the invention are described in detail referring to the drawings.But, thought of the invention is not limited to
In the embodiment proposed.
For example, understand the thought of the present invention those skilled in the art can by the addition of inscape, change or delete
Remove and propose the other embodiment in the thought range of the present invention, and this also will be contained in the thought range of the present invention
It is interior.
Also, using identical reference symbol to the work(in the identical thought range that is shown in the accompanying drawing of each embodiment
Energy identical inscape is illustrated.
Fig. 1 is the partial exploded perspective view of the camera model according to one embodiment of the invention, and Fig. 2 is Fig. 1 plan.
Reference picture 1 and Fig. 2, include the first camera lens module 210, the second mirror according to the camera model of one embodiment of the invention
Head module 230, the housing 100 for housing the first camera lens module 210 and the second camera lens module 230 and for the first mirror will to be passed through
The incident light of 210 and second camera lens module of head module 230 is converted into the image sensor module 400 of electric signal.
First camera lens module 210 and the second camera lens module 230 include respectively lens barrel 210a, the 230a for housing multiple lens and
Secure bond is in lens barrel 210a, 230a bobbin (Bobbin) 210b, 230b (reference picture 6b).
In first camera lens module 210 and the second camera lens module 230 at least one the inside of housing 100 movably by
House to realize focusing or stabilization.
In the case where the first camera lens module 210 and the second camera lens module 230 are all movably constituted, the first camera lens module
210 and second camera lens module 230 independently can movably constitute respectively.
In addition, the first camera lens module 210 and the second camera lens module 230 are configured to mutually different visual angle.
As one, the visual angle of some in the first camera lens module 210 and the second camera lens module 230 may be configured as relatively
Wider (wide-angle lens), and the visual angle of another camera lens may be configured as relative narrower (telephoto lens).
As described above, being designed to that two camera lens module visual angles are different from each other, so as to shoot shot with various depth
The image of body.
In addition, by for a subject by the use of two images (as one, synthesis), so as to generate high score
The image of resolution or bright image, and then also can clearly shoot under low-light (level) environment the image of subject.
Furthermore, it is possible to realize 3D rendering using multiple images, and zoom function can be realized.
Housing 10 all houses the first camera lens module 210 and the second camera lens module 230, and in the inside of housing 100
Two mobile spaces are formed with, so that the first camera lens module 210 and the second camera lens module 23 can be moved separately.
Housing 100 includes the first housing 110 and the second housing 120 combined with the first housing 110.
The first camera lens module 210 and the second camera lens module 230 are contained in the first housing 110.First housing 110 possesses two
Individual receiving space is to house the first camera lens module 210 and the second camera lens module 230.
Second housing 120 is combined with the first housing 100, and plays the function of the Inner Constitution part of protection camera model.
Image sensor module 400 is that the light by the first camera lens module 210 and the second camera lens module 230 is converted into electricity
The device of signal.
In one example, image sensor module 400 can include：Tellite 450；It is connected to tellite
450 the first imaging sensor 410 and the second imaging sensor 430；Two Infrared filter 470a, 470b (reference picture 6b).
The light incident by each camera lens module 210,230 is converted into electric signal by each imaging sensor 410,430.
In one example, each imaging sensor 410,430 can be charge coupled cell (Charge Coupled Device；CCD) or
Person's complementary metal oxide semiconductor (Complementary Metal-Oxide Semiconductor；CMOS).
Any one in first imaging sensor 410 and the second imaging sensor 430 can be colored (RGB) sensing
Device, another can be black and white (BW) sensor.
In one example, the first imaging sensor 410 can be colored (RGB) sensor, and the second imaging sensor 430 can be with
It is black and white (BW) sensor.In the case, with the lens of corresponding first camera lens module 210 of the first imaging sensor 410
Fno (F number represent the numerical value of the brightness of lens or represent the numerical value for the amount that lens pass through light) can with relatively large,
And can be with relatively small with the Fno of the lens of corresponding second camera lens module 230 of the second imaging sensor 430.
It therefore, it can shoot the deeper image of depth of focus by the first camera lens module 210 and the first imaging sensor 410,
And brighter image can be shot by the second camera lens module 230 and the second imaging sensor 430, therefore can be by two figures
The deeper and bright image of depth of focus is generated as synthesis.
In addition, the catercorner length of each imaging sensor 410,430 can be 1/2.5 " following.
Also, the length on the long side of each imaging sensor 410,430 and the length ratio of short side can be 4:3 or
16:9。
Infrared filter 470a, 470b be arranged in each imaging sensor 410,430 corresponding positions so that play by
The effect of the light blocking of infrared spectral range by each camera lens module 210,230 in incident light.
Infrared filter 470a, 470b can be attached at the bottom of the first housing 110.
Tellite 450 is combined with the first housing 110.Also, tellite 450 is and the first housing 110
The corresponding tellite 450 of size, and be equipped with two imaging sensors in a tellite 450
410、430。
The distance between the light center of reference picture 2, the light center of the first camera lens module 210 and the second camera lens module 230 D1
It is formed as less than the width D 2 of housing 100.
Also, the beeline D1 between the optical axis of the optical axis of the first camera lens module 210 and the second camera lens module 230 is formed
For the width D 2 less than housing 100.
Here, light center represents the point that light intersects with the optical axis of each camera lens module 210,230, width means using Fig. 2 as
The shorter side in of the housing 100 of benchmark while length.
In order to generate high-resolution image or bright figure using by two images that two camera lens modules are shot
Picture, is preferably designed so that the distance between the light center of two camera lens modules is nearer.
In one example, the distance being designed between the light center of two camera lens modules farther out in the case of, for one
Two images of subject can be taken into different from each other, it is thus possible to be difficult to generate high-resolution image or bright image.
So as to which in the camera model according to one embodiment of the invention, the light of the first camera lens module 210 can be designed to
The distance between the light center of center and the second camera lens module 230 D1 is less than the width D 2 of housing 100, is directed to so as to utilize
Two images of one subject and generate various image.
Fig. 3 a and Fig. 3 b are the tellites and shell shown in the camera model according to one embodiment of the invention
The stereogram of the integrated structure of body.
Reference picture 3a and Fig. 3 b, tellite 450 can be inserted into the inside of the first housing 110.
In one example, tellite 450 is inserted in the way of side is contacted with the inner surface of the first housing 110
The inside of one housing 110.
Tellite 450 can be rigid flexible system tellite (Rigid Flexible PCB), in basis
In the camera model of one embodiment of the invention, two imaging sensors 410,430 are carried in tellite 450, therefore
Compared to the situation for carrying an imaging sensor, the size of tellite 450 can become big.
Accordingly, it is possible to deformed due to external impact etc. in tellite 450, may the fact that similar
It can cause to be difficult to ensure that reliability because of external impact etc..
But, in the camera model according to one embodiment of the invention, tellite 450 can be inserted arrangement
In the inside of the first housing 110, so as to prevent from deforming in tellite 450 due to external impact etc..
Also, the composition surface between the housing 110 of tellite 450 and first can be coated with adhesive, to carry
Engaging force between the high housing 110 of tellite 450 and first.
Fig. 4 is to show that two imaging sensors have each other respectively in the camera model according to one embodiment of the invention
The stereogram of the situation of different sizes.
Reference picture 4, is provided to two imaging sensors 410,430 of camera model according to one embodiment of the invention
Catercorner length can be with different from each other.
The catercorner length for some imaging sensor that can be designed in two imaging sensors 410,430 is shorter,
So as to the size of downscaled images sensor, and the overall size of camera model can be reduced accordingly.
In addition, the pixel size (Pixel size) of two imaging sensors 410,430 can be with different from each other.One example
In, it is colored (RGB) sensor in the first imaging sensor 410, the second imaging sensor 430 is the feelings of black and white (BW) sensor
Under condition, the pixel size for being configured to the second imaging sensor 430 is smaller than the pixel size of the first imaging sensor 410.
In the case, the lens with corresponding first camera lens module 210 of the first imaging sensor 410 are configured to Fno (F
Number, represents the numerical value of the brightness of lens) it is relatively large, with corresponding second camera lens module 230 of the second imaging sensor 430
Lens to be configured to Fno relatively small.
Because the Fno of the lens of the second camera lens module 230 is relatively small, so bright image can be shot, even if therefore
The pixel size for being configured to the second imaging sensor 430 is relatively small, can also shoot bright image.
It therefore, it can synthesize two images and generate the deeper and bright image of depth of focus, and camera model can be reduced
Overall size.
Fig. 5 is the bonding pad for showing each imaging sensor in the camera model according to one embodiment of the invention
The stereogram of shape.
Two imaging sensors 410,430 according to the camera model of one embodiment of the invention are provided to by bonding line
And it is electrically connected to tellite 450.
The bonding pad P being connected in the formation of each imaging sensor 410,430 with bonding line, bonding pad P are arranged in each figure
As the marginal position of sensor 410,430.
In one example, bonding pad P can be arranged in the marginal position of each imaging sensor 410,430 long side or
The marginal position of short brink.
In some imaging sensor in two imaging sensors 410,430, bonding pad P can be arranged in long side
Side；In another imaging sensor, bonding pad P can be arranged in short brink.
In the camera model according to one embodiment of the invention, can not imaging sensor the whole cloth of four avris
Bonding pad P is put, and is arranged on long side or short brink, so as to reduce the space shared by bonding line.Accordingly, phase can be reduced
The overall size of machine module.
Fig. 6 a and Fig. 6 b are the deformations for showing the imaging sensor in the camera model according to one embodiment of the invention
The stereogram of example.
Unlike the embodiments abovely, the imaging sensor 420 of Fig. 6 a and Fig. 6 b embodiment can be provided as have with
One imaging sensor 420 of two camera lens modules 210,230 corresponding two effective shooting area 410', 430'.
In the present embodiment, an imaging sensor 420 forms illusory district between two effective shooting area 410', 430'
Domain 420a, and bonding pad P can be vertically arranged with nominal region 420a length direction.
Fig. 7 is the solid for the variation for showing the Infrared filter in the camera model according to one embodiment of the invention
Figure.
Unlike the embodiments above, the Infrared filter 470 of Fig. 7 embodiment can be provided as an Infrared filter
470, with an imaging sensor 420 (or two imaging sensors with two effective shooting area 410', 430'
410th, it is 430) all corresponding.
One Infrared filter 470 can be provided as and a figure with two effective shooting area 410', 430'
As sensor 420 (or two imaging sensors 410,430) is all corresponding, so as to reduce flow chart, and productivity is improved.
Fig. 8 a and Fig. 8 b are to show to make each camera lens module edge in the camera model according to one embodiment of the invention
The stereogram of the composition of the first actuator of optical axis direction movement.
Reference picture 8a and Fig. 8 b, according to the camera model of one embodiment of the invention include make each camera lens module 210,
230 the first actuators 300 moved along optical axis direction (Z-direction).
First actuator 300 can make the first camera lens module 210 and the second camera lens module 230 separately along optical axis
Direction (Z-direction) is mobile.
By making the first camera lens module 210 and the second camera lens module 230 respectively along optical axis by the first actuator 300
Direction (Z-direction) is mobile, can adjust focal length.
First actuator include coil 310a, 330a and magnet 310b, 330b, and can by means of coil 310a,
Electromagnetic effect power between 330a and magnet 310b, 330b and make the first camera lens module 210 and the second camera lens module 230 along light
Direction of principal axis (Z-direction) is mobile.
Substrate 350 is fixed on housing 100 by two coils 310a, 330a as medium.
Substrate 350 is provided as being equipped with two coils 310a, 330a a substrate 350, and a substrate 350 is fixed
The longer face of length in the side of housing 100.
Two coils 310a, 330a are provided to the one side of substrate 350.
Two magnet 310b, 330b fixed and arrangeds are in a side of each camera lens module 210,230, each magnet
310b, 330b be arranged to along the direction perpendicular to optical axis direction (Z-direction) and it is facing with each coil 310a, 330a.
Yoke 360a, 360b is disposed with housing 100.In one example, yoke 360a, 360b is attached at the another of substrate 350
Simultaneously, and it is provided as two, with facing with each magnet 310b, 330b across each coil 310a, 330a.But
It is, not limited to this that can provide to be arranged to and the whole facing yoke of each magnet 310b, 330b.
Between two yokes 360a, 360b and two magnets 310b, 330b, along perpendicular to optical axis direction (Z-direction)
Direction there is gravitation.
Therefore, by means of the gravitation between two yokes 360a, 360b and two magnets 310b, 330b, bulb described later
The contact condition that part 510 can be kept between the first camera lens module 210, the second camera lens module 230 and housing 100.
Also, yoke 360a, 360b also acts as the effect for making magnet 310b, 330b magnetic force by boundling.In one example, two
Individual yoke 360a, 360b and two magnets 310b, 330b can one to one be corresponded to and be formed magnetic circuit (Magnetic each other
circuit).Accordingly, it can prevent leakage field, and can prevent magnetic field that each magnet 310b, 330b formed each other
Interference.
Now, it is preferable that the length of the optical axis direction (Z-direction) of each yoke 360a, 360b than each magnet 310b,
The length of 330b optical axis direction (Z-direction) is long.
If optical axis direction length of optical axis direction (Z-direction) length than magnet 310b, 330b of yoke 360a, 360b
It is short, then when magnet 310b, 330b are mobile along optical axis direction (Z-direction), so that magnet 310b, 330b centrally directed yoke
The gravitation that the mode at 360a, 360b center is acted on will become big.
Therefore, it is stronger that the restoring force that magnet 310b, 330b to be made return to original position makees land used, so that in order that magnet
The amount for the electric current that 310b, 330b are moved and needed will increase, therefore can increase power consumption.
But, such as according to the camera model of one embodiment of the invention, if optical axis direction (the Z side of yoke 360a, 360b
To) length is longer than magnet 310b, 330b optical axis direction (Z-direction) length, then so that magnet 310b, 330b centrally directed magnetic
The gravitation that the mode at yoke 360a, 360b center is acted on diminishes relatively, therefore can relatively reduce power consumption.
In addition, though be not shown in the drawings, but two coils 310a, 330a can be in the facing of housing 100
Avris symmetrically arrange with one another.In the case, substrate can also accordingly be provided two with two coils 310a, 330a
It is individual, and each substrate can be equipped with a coil and be individually fixed in housing 100.
Multiple ball parts 510 are disposed between housing 100 and each camera lens module 210,230 to guide each camera lens mould
Movement on the optical axis direction (Z-direction) of block 210,230.
Multiple ball parts 510 along optical axis direction (Z-direction) arrange, and with housing 100 and each camera lens module 210,230
Contact, so as to guide the movement of each camera lens module 210,230.
Here, as shown in Figure 8 a, lens barrel 210a, 230a and bobbin 210b, 230b may be provided in independent part
And be bonded to each other, so that each camera lens module 210,230 is constituted, but as shown in Figure 8 b, lens barrel 210a, 230a and bobbin
210b, 230b may be provided with the part formed with being integrated, and constitute each camera lens module 210,230.
In structure as shown in Figure 8 a, if in the state of lens barrel 210a, 230a are combined with bobbin 210b, 230b
Lens barrel 210a, 230a are damaged, then lens barrel 210a, 230a can be separated from bobbin 210b, 230b, therefore, it is possible to make camera mould
The reparation of block becomes easy.
Also, in structure as shown in Figure 8 b, without enter to be about to lens barrel 210a, 230a and bobbin 210b, 230b that
This process combined, therefore flow chart can be reduced, and productivity is improved accordingly.
In addition, showing that two camera lens modules 210,230 can be along optical axis direction (Z-direction) in Fig. 8 a and Fig. 8 b
Mobile composition, but unlike this, only one in two camera lens modules 210,230 can be configured to along optical axis
Direction (Z-direction) is mobile, and makes remaining one not to be fixed on housing 100 along optical axis direction (Z-direction) movement.
Fig. 9 a and Fig. 9 b are to include being used to make each camera lens module along optical axis direction and perpendicular to the direction of optical axis direction
The exploded perspective view of the camera model of the second mobile actuator.
Also, Figure 10 is the exploded perspective view of the second actuator in the camera model according to one embodiment of the invention.
First, reference picture 9a and Fig. 9 b, includes being used to make each camera lens according to the camera model of one embodiment of the invention
Second actuator 600 of the module 210,230 along three directions (X, Y, Z-direction) movement perpendicular to one another.
Second actuator 600 makes each camera lens module 210,230 along optical axis direction (Z-direction), perpendicular to optical axis direction
The first direction (X-direction) and second direction (Y-direction) of (Z-direction) are mobile.Wherein, first direction (X-direction) and second party
It is direction perpendicular to one another to (Y-direction).
Second actuator 600 can make the first camera lens module 210 and the second camera lens module 230 separately along optical axis
Direction (Z-direction), first direction (X-direction) and second direction (Y-direction) are mobile.
The first camera lens module 210 and the second camera lens module 230 can be made by the second actuator 600 respectively along optical axis
Direction (Z-direction) is mobile and focuses, and can along a first direction (X-direction) and second direction (Y-direction) move and
By jitter corrections such as hand shaking.
Second actuator 600 include being used for focusing (following, AF) coil 610a and magnet 610b and for shaking school
The just coil 620a and magnet 620b of (following, OIS).
In Fig. 9 a and Fig. 9 b embodiment, in order that each camera lens module 210,230 is along three sides perpendicular to one another
To movement, and including：First framework 240 and the second framework 250, along optical axis direction together with each camera lens module 210,230
(Z-direction) is mobile；First guide member 260 and the second guide member 270, guide each camera lens module 210,230 along first
Direction (X-direction) and second direction (Y-direction) are mobile.
First camera lens module 210 and the first guide member 260 are housed by the first framework 240, and in focusing, the first mirror
Head module 210, the first guide member 260 and the first framework 240 are moved together along optical axis direction (Z-direction).
In addition, the second camera lens module 230 and the second guide member 270 are housed by the second framework 250, and in focusing,
Second camera lens module 230, the second guide member 270 and the second framework 250 are moved together along optical axis direction (Z-direction).
When carrying out jitter correction, the first camera lens module 210 and the first guide member 260 in the first framework 240 along
Moved perpendicular to the direction of optical axis direction (Z-direction), the second camera lens module 230 and the second guide member 270 are in the second framework 250
It is interior to be moved along perpendicular to the direction of optical axis direction (Z-direction).
In addition, in order to prevent because being caused the first camera lens module 210 and the first guide member 260 de- by external impact etc.
Depart from the second framework 250 to the outside of the first framework 240, or the second camera lens module 230 and the second guide member 270
Outside, the present invention provides retainer 280,290.
At least one in upper surface of the retainer 280,290 to cover the first camera lens module 210 and the second camera lens module 230
Partial mode is incorporated into the first framework 240 and the second framework 250.
Also, can be equipped with buffer unit 280a, 290a in retainer 280,290.Buffer unit 280a, 290a are played
To the feelings collided in the first framework 240 and the second framework 250 along optical axis direction (Z-direction) during mobile with housing 100
The function of row buffering is entered in noise, impact for occurring under condition etc..
Also, buffer unit 280a, 290a are configured to, in the first camera lens mould being arranged in the first framework 240
What block 210 and the second camera lens module 240 being arranged in the second framework 250 were produced in the case of being collided with retainer 280,290
Row buffering is entered in noise, impact etc..
For example, buffer unit 280a, 290a can be from the one sides (such as upper surface) of retainer 280,290 and another side is (such as
Lower surface) it is prominent, and can be elastic material.
Buffer unit 280a, the 290a protruded from the one side of retainer 280,290 can by for the noise of housing 100,
The buffering such as impact, buffer unit 280a, 290a protruded from the another side of retainer 280,290 can will be directed to the first camera lens mould
Noise, impact of the camera lens module 230 of block 210 and second etc. are buffered.
In addition, as shown in Fig. 9 a and Fig. 9 b, lens barrel and bobbin may be provided in a part being integrally formed, from
And constitute each camera lens module 210,230.
In structure as described above, the process without lens barrel and bobbin are bonded to each other, therefore operation can be reduced
Process, and productivity is improved accordingly.
Only, although be not shown in the drawings, but lens barrel and bobbin can so that independent part is provided and
It is bonded to each other, so as to constitute each camera lens module 210,230.
, can be from bobbin if lens barrel is damaged in the state of lens barrel and bobbin are combined in said structure
Lens barrel is separated, becomes easy therefore, it is possible to the reparation that makes camera model.
Reference picture 10 and the move mode of the composition to the second actuator 600 and each camera lens module 210,230 are said
It is bright.
As reference, illustrated in Figure 10 for the facility of explanation on the basis of the first camera lens module 210, but the
The move mode of two camera lens modules 230 is also identical with the move mode of the first camera lens module 210.
First camera lens module 210 is mobile along optical axis direction (Z-direction) by the second actuator 600 in order to focus.
Second actuator 600 includes the magnet 610b and coil 610a for producing the driving force for focusing.
Magnet 610b is installed on the first framework 240.In one example, magnet 610b can be installed on the one of the first framework 240
Face.
Coil 610a is installed on housing 100 in the mode facing with magnet 610b.In one example, coil 610a can be by
Substrate 610c is installed on housing 100 as medium.Substrate 610c is installed on housing 100, and coil 610a is provided to substrate 610c
One side.
Magnet 610b is mounted to the first framework 240 and moved together with the first framework 240 along optical axis direction (Z-direction)
Moving parts, coil 610a is affixed to the fixed component of housing 100.
, can be by the electromagnetic effect power between magnet 610b and coil 610a when power supply is applied to coil 610a
Make the first framework 240 mobile along optical axis direction (Z-direction).
The first camera lens module 210 is housed in the first framework 240, so the first camera lens module 210 is also with the first framework 240
Movement and it is mobile along optical axis direction (Z-direction)
When the first framework 240 is moved, in order to reduce the friction between the first framework 240 and housing 100 and in the first frame
Ball part 510' is arranged between frame 240 and housing 100.
Ball part 510' is arranged in magnet 610b both sides.
The closed loop control method that the present invention is fed back using the position of the first camera lens module 210 of sensing.
So as to need position sensor 610d for closed-loop control.Position sensor 610d can be Hall sensor,
And the first camera lens module can be sensed by the change of the magnetic flux for the magnet 610b for being installed on the first camera lens module 210
210 position.
Position sensor 610d is arranged in coil 610a inner or outer side, and can be installed on and be provided with coil 610a
Substrate 610c.
In focussing process, the first camera lens module 210, which can advance and retreat along optical axis direction (Z-direction), (that is, can
Carry out way moving).
First camera lens module 210 in order to carry out jitter correction and by the second actuator 600 along a first direction (X-direction)
And second direction (Y-direction) is mobile.
If for example, hand shaking due to user etc. and shaken in filmed image, the second actuator 600 gives first
Camera lens module 210 is assigned compensates shake corresponding to the relative displacement of shake.
Wherein, the first guide member 260 is housed in the first framework 240, and the first guide member 260 plays guiding the
The effect of the movement of one camera lens module 210.
First guide member 260 and the first camera lens module 210 are inserted into the first framework 240.First guide member 260
It is configured in the first framework 240 along a first direction that (X-direction) is moved together with the first camera lens module 210, first
Camera lens module 210 is configured to mobile along second direction (Y-direction) relative to the first guide member 260.
Second actuator 600 includes the multiple magnet 620b and multiple coils for producing the driving force for jitter correction
620a。
In multiple magnet 620b and multiple coil 620a, a part is with (X-direction) along a first direction facing side
Formula is arranged and produces the driving force on first direction (X-direction), and remaining is with along the facing mode cloth of second direction (Y-direction)
Put and produce the driving force in second direction (Y-direction).
Multiple magnet 620b are installed on the first camera lens module 210, facing multiple coil 620a with multiple magnet 620b
Substrate 620c is installed on housing 100 as medium.
Multiple magnet 620b are (X-direction) and second direction (Y side along a first direction together with the first camera lens module 210
To) mobile moving parts, multiple coil 620a are affixed to the fixed component of housing 100.
In addition, providing multiple ball parts of the first guide member 260 of support and the first camera lens module 210 in the present invention.It is many
Individual ball part plays a part of the first guide member 260 of guiding and the first camera lens module 210 during jitter correction.Also,
Also act as on the optical axis direction (Z-direction) between the first framework 240 of maintenance, the first guide member 260 and the first camera lens module 210
Spacing effect.
Multiple ball parts include the first ball part 520 and the second ball part 530.
First ball part 520 is arranged between the first framework 240 and the first guide member 260, and the second ball part 530 is arranged
Between the first guide member 260 and the first camera lens module 210.
First ball part 520 guides (X-direction) in the first direction of the first guide member 260 and the first camera lens module 210
Movement, the second ball part 530 guide the first camera lens module 210 (Y-direction) in a second direction movement.
In one example, in the case of the driving force on first direction (X-direction) is produced, the first ball part 520 is along the
Do rolling movement in one direction (X-direction).Accordingly, the first ball part 520 guides the first guide member 260 and the first camera lens module
The movement of 210 (X-direction) in the first direction.
Also, in the case where producing driving force along second direction (Y-direction), the second ball part 530 is along second party
Rolling movement is done to (Y-direction).Accordingly, the second ball part 530 guides (Y-direction) in a second direction of the first camera lens module 210
Movement.
It is formed with the first framework 240 and the first guide member 260 one another along the facing face of optical axis direction (Z-direction)
House the first guiding groove portion 520a of each the first ball part 520.
First ball part 520 is housed by the first guiding groove portion 520a and is inserted in the first framework 240 and the first guide member
Between 260.
First ball part 520 is in the state of the first guiding groove portion 520a is contained in, along optical axis direction (Z-direction) and second
The movement in direction (Y-direction) is limited, so that only can (X-direction) movement along a first direction.In one example, the first ball part
520 (X-direction) can only do rolling movement along a first direction.
Therefore, the length that the first guiding groove portion 520a flat shape can be first direction (X-direction) is more than second party
To the rectangle of the width of (Y-direction).
In the first guide member 260 and the first camera lens module 210 one another along the facing face of optical axis direction (Z-direction),
It is formed with the second guiding groove portion 530a for housing each the second ball part 530.
Second ball part 530 is housed by the second guiding groove portion 530a and is inserted in the first guide member 260 and the first camera lens
Between module 210.
Second ball part 530 is in the state of the second guiding groove portion 530a is contained in, along optical axis direction (Z-direction) and first
The movement in direction (X-direction) is limited, so that only can be mobile along second direction (Y-direction).In one example, the second ball part
530 can only do rolling movement along second direction (Y-direction).
Therefore, the length that the second guiding groove portion 530a flat shape can be second direction (Y-direction) is more than first party
To the rectangle of the width of (X-direction).
When (X-direction) produces driving force along a first direction, the first guide member 260 and the first camera lens module 210 1
It is mobile with (X-direction) along a first direction.
Wherein, (X-direction) does rolling movement to the first ball part 520 along a first direction.Now, second ball part 530
Movement is limited.
Also, when producing driving force along second direction (Y-direction), the first camera lens module 210 is along second direction (Y
Direction) it is mobile.
Here, the second ball part 530 does rolling movement along second direction (Y-direction).Now, first ball part 520
Movement is limited.
As described above, during jitter correction, the first camera lens module 210 can be made by limiting moving for ball part
Moved in (X-direction) and second direction (Y-direction) in a first direction.
The present invention uses the position for sensing the first camera lens module 210 and closing for being fed back during jitter correction
Ring control mode.
Therefore it provides the position sensor 620d for closed-loop control, and position sensor 620d can be arranged in it is many
Individual coil 620a inner side.
Position sensor 620d can be Hall sensor, and position sensor 620d can pass through multiple magnet 620b
Magnetic flux change and sense the position of the first camera lens module 210.
Also, provided in the present invention and optical axis direction (Z-direction) gravitation is produced to multiple magnet 620b for jitter correction
Yoke portion 240a.Yoke portion 240a can be magnetic.
Yoke portion 240a is fixed on the first framework 240, and along optical axis direction (Z-direction) with for many of jitter correction
Individual magnet 620b is facing.
Therefore, between yoke portion 240a and multiple magnet 620b, gravitation is produced along optical axis direction (Z-direction).
By means of the gravitation between yoke portion 240a and multiple magnet 620b, the first camera lens module 210 is towards yoke portion
240a direction is pressurized, therefore the first camera lens module 210, the first guide member 260 and the first framework 240 can be maintained and the
Contact condition between one ball part 520 and the second ball part 530.
For example, by means of the gravitation between yoke portion 240a and multiple magnet 620b, the first camera lens module 210 towards first
Guide member 260 and be pressurized, accordingly, the first guide member 260 is pressurized towards the first framework 240.
Figure 11 is shown in the camera model according to one embodiment of the invention, and two camera lens modules are not along optical axis
The stereogram of the situation of the fixed focus lens module of direction movement.
Reference picture 11, in the camera model according to one embodiment of the invention, two camera lens modules 210', 230' can be with
It is provided with the state that focal length is fixed.
In the embodiment in figure 11, can (F number represent lens by two camera lens modules 210', 230' Fno
The numerical value of brightness (make light pass through amount)) value be designed to it is larger so that subject depth (can clearly shoot apart from model
Enclose) become big.
Generally, in the case where making Fno values larger, the brightness of lens is dimmed, and therefore, it is difficult to shot under low-light (level) environment
Clear image.
But, in the camera model according to one embodiment of the invention, due to that can utilize by two camera lens modules
210', 230' shoot image and generate a clear image, therefore i.e. order Fno values become greatly, can also be in low-light (level) ring
Clear image is obtained under border.
Also, in said structure, without the need for the actuator for moving each camera lens module 210', 230', therefore can
To realize the miniaturization of camera model.
Above, the composition and feature on the basis of embodiments in accordance with the present invention and to the present invention are illustrated, but
Be the invention is not limited in this, the present invention belonging to those skilled in the art will be clearly understood that the present invention thought and
In the range of can realize various change or deformation, therefore, above-mentioned change or deformation belongs in the range of claims.
Claims (15)
1. a kind of camera model, including：
First camera lens module and the second camera lens module, are configured to independently shoot subject；
Housing, possesses inner space to house first camera lens module and second camera lens module；
Beeline between the optical axis of the optical axis of first camera lens module and second camera lens module is less than the housing
Width.
2. camera model as claimed in claim 1, wherein, in addition to：
Image sensor module, is configured to the light by first camera lens module and second camera lens module being converted into electricity
Signal, and combined with the housing,
Described image sensor module includes：First imaging sensor, corresponding to first camera lens module；Second image sensing
Device, corresponding to second camera lens module；Tellite, is equipped with described first image sensor and second image
Sensor.
3. camera model as claimed in claim 2, wherein,
Described first image sensor is color sensor, and second imaging sensor is black and white sensor.
4. camera model as claimed in claim 3, wherein,
Assuming that representing that the numerical value for constituting the brightness of the lens of first camera lens module and second camera lens module is Fno, then
The Fno of first camera lens module is configured to the Fno more than second camera lens module.
5. camera model as claimed in claim 4, wherein,
The pixel size of second imaging sensor is less than the pixel size of described first image sensor.
6. camera model as claimed in claim 2, wherein,
The catercorner length of the catercorner length of described first image sensor and second imaging sensor is configured to each other
It is different.
7. camera model as claimed in claim 2, wherein,
The tellite is inserted and fixed to the inside of the housing.
8. camera model as claimed in claim 1, wherein, in addition to：
First actuator, produces driving force so that first camera lens module and second camera lens module are respectively along optical axis side
To movement, and including magnet and coil, the magnet is attached to first camera lens module and the second camera lens mould respectively
Block, the coil is arranged to facing with the magnet.
9. camera model as claimed in claim 8, wherein,
First actuator includes the substrate in the length that is fixed in the side of the housing most long face, and the coil is equipped with
In the substrate.
10. camera model as claimed in claim 1, wherein, in addition to：
Second actuator, produce driving force so that first camera lens module and second camera lens module respectively along perpendicular to
First direction and the second direction movement of optical axis direction, and including multiple magnets and multiple coils, the multiple magnet is attached
In first camera lens module and second camera lens module, the multiple coil is arranged to facing with the multiple magnet.
11. camera model as claimed in claim 10, wherein, in addition to：
First framework, is configured to house first camera lens module, can be with first camera lens module one in the housing
Moved with along the optical axis direction；
First guide member, is configured to be arranged in first framework, can be with first framework together along optical axis side
To movement；
First camera lens module and first guide member are configured in first framework along described first
Direction is moved,
First camera lens module is configured to move along the second direction relative to first guide member.
12. camera model as claimed in claim 11, wherein,
Between first framework and first guide member, and first guide member and the first camera lens mould
Multiple ball parts are disposed between block.
13. camera model as claimed in claim 10, wherein, in addition to：
Second framework, is configured to house second camera lens module, can be with second camera lens module one in the housing
Moved with along the optical axis direction；
Second guide member, is configured to be arranged in second framework, can be with second framework together along optical axis side
To movement；
Second camera lens module and second guide member are configured in second framework along described first
Direction is moved,
Second camera lens module is configured to move along the second direction relative to second guide member.
14. camera model as claimed in claim 13, wherein,
Between second framework and second guide member, and second guide member and the second camera lens mould
Multiple ball parts are disposed between block.
15. a kind of camera model, including：
First camera lens module and the second camera lens module, are configured to directionally independent move along three perpendicular to one another；
Housing, is equipped with inner space to house first camera lens module and second camera lens module；
The visual angle of first camera lens module and the visual angle of second camera lens module are configured to different from each other,
Beeline between the optical axis of the optical axis of first camera lens module and second camera lens module is less than the housing
Width.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20160045076 | 2016-04-12 | ||
| KR10-2016-0045076 | 2016-04-12 | ||
| KR1020160106216A KR101813393B1 (en) | 2016-04-12 | 2016-08-22 | Camera module |
| KR10-2016-0106216 | 2016-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107295225A true CN107295225A (en) | 2017-10-24 |
| CN107295225B CN107295225B (en) | 2020-07-10 |
Family
ID=60093858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710242537.2A Active CN107295225B (en) | 2016-04-12 | 2017-04-12 | Camera module |
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| CN111669493A (en) * | 2018-03-26 | 2020-09-15 | 华为技术有限公司 | Shooting method, device and equipment |
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| TWI771811B (en) * | 2020-09-18 | 2022-07-21 | 大立光電股份有限公司 | Electronic device |
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