CN108663775A - A kind of camera lens module and terminal - Google Patents
A kind of camera lens module and terminal Download PDFInfo
- Publication number
- CN108663775A CN108663775A CN201710213964.8A CN201710213964A CN108663775A CN 108663775 A CN108663775 A CN 108663775A CN 201710213964 A CN201710213964 A CN 201710213964A CN 108663775 A CN108663775 A CN 108663775A
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- Prior art keywords
- lens
- diaphragm
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- imaging
- module
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
Abstract
A kind of camera lens module and terminal, wherein the camera lens module includes imaging lens, which includes the first lens, the second lens and diaphragm, and first lens and the second lens common optical axis, the diaphragm are set between first lens and second lens.When diaphragm is located at after the first lens, effective thang-kng diameter of the first lens can be utilized well.And, in this case, even if the diameter of diaphragm may be less than effective thang-kng diameter of the first lens, but it is acted on by the amplification imaging of the first lens on light door screen, the Entry pupil diameters of the camera lens module can be equal to or more than effective thang-kng diameter of the first lens, to reduce the f-number of camera lens module.
Description
Technical field
This application involves field of terminal technology more particularly to a kind of camera lens module and terminals.
Background technology
In order to realize lightening purpose, the camera lens in the frivolous terminal such as current phone, tablet computer is generally using latent
The foldable structure of prestige formula, therefore the thickness of mobile phone or tablet limits the height of camera lens module, the height of camera lens module is also
It is the lateral dimension (vertical optical axis direction) of camera lens module.Camera lens module height often limits most preceding a piece of in module again
The diameter of the size of the diameter of mirror and the diaphragm before most preceding a piece of lens, so-called most preceding a piece of lens refer to
The a piece of lens nearest with shooting entity in module when being shot using the periscope type lens module.Therefore, the thickness of terminal
The size of the diameter of diaphragm is often limited, and the diameter of the diaphragm before most preceding a piece of lens is camera lens module
Entry pupil diameters, and the Entry pupil diameters of camera lens module determine camera lens module f-number (f-number be camera lens module focal length
Divided by the obtained value of the Entry pupil diameters of camera lens module), Entry pupil diameters are bigger, then aperture is bigger, and f-number is smaller;On the contrary, entrance pupil
Diameter is smaller, then aperture is smaller, and f-number is bigger.However the diameter of the diaphragm before most preceding a piece of lens is often below
Positioned at effective thang-kng diameter of most preceding a piece of lens, this Entry pupil diameters for allowing for camera lens module be less than be located at it is most preceding a piece of
Effective thang-kng diameter of lens.
Demand due to current consumer to large aperture is more and more stronger, but the thickness in mobile phone or tablet is limited
When cannot do big surely, how to reduce lens aperture value, is the critical issue of periscope type lens.
Invention content
The embodiment of the present invention is designed to provide a kind of periscope type lens module and terminal, for solving termination thickness limit
Small problem cannot be done by having made f-number.
Above-mentioned target and other targets will be reached by the feature in independent claims.Further realization method exists
It is embodied in dependent claims, the description and the appended drawings.
In a first aspect, providing a kind of periscope type lens module, the periscope type lens module includes imaging lens, it is described at
Picture camera lens includes the first lens, the second lens and diaphragm, and first lens and the second lens common optical axis, the diaphragm are set
It is placed between first lens and second lens.
Wherein, the periscope type lens module can also include at least one in reflector element, optical filter and imaging sensor
.Wherein reflector element may include reflecting prism or speculum.
Wherein, the periscope type lens module can also be telephoto lens module.
Wherein, the diaphragm can be aperture diaphragm.
Wherein, the first lens can be convex lens.
Wherein, the first lens can be most preceding group of lens, and the most preceding group of lens are one group of lens that light contacts at first,
The lens number of one group of lens is at least one.
When diaphragm is located at after the first lens, effective thang-kng diameter of the first lens can be utilized well, example
The width for the light beam that the light parallel with the first lens constitutes can be such as made to be equal to effective thang-kng diameter of the first lens.Also,
In this case, even if the diameter of diaphragm may be less than effective thang-kng diameter of the first lens, but pass through the first lens
The Entry pupil diameters (being effective thang-kng diameter of the picture of diaphragm) of amplification imaging effect to diaphragm, the periscope type lens module can
With effective thang-kng diameter equal to or more than the first lens.
According in a first aspect, in first aspect in the first possible realization method, the diaphragm is for making across described
The light of effective imaging moiety of first lens passes through, and stops the light of the part other than effective imaging moiety
Line.
Wherein, the part other than effective imaging moiety may include the non-effective imaging moiety of first lens.
Wherein, the diaphragm can be also used for that all light by effective imaging moiety is made to pass through.Wherein, also may be used
To be that the diaphragm is used to that 70% to 100% light for accounting for all light by effective imaging moiety to be made to pass through, have
Can be 90% to 100% or 95% to 100% for body, effective thang-kng diameter of the diaphragm determines above-mentioned account for
Than.
Effective thang-kng diameter of diaphragm is bigger, then accounting is higher, when accounting is equal or close to 100%, periscopic mirror
The Entry pupil diameters of head mould group are centainly greater than effective thang-kng diameter of the first lens.
According to first aspect or first aspect the first realization method, in second of possible realization method of first aspect
In, the diaphragm prolongs one times of focal length that the optical axises of the first lens is less than first lens to the distance of first lens.
According to any one of the implementation above mode of first aspect or first aspect realization method, in first aspect
In three kinds of possible realization methods, first lens are to be located at most preceding a piece of lens in the imaging lens.
According to any one of the implementation above mode of first aspect or first aspect realization method, in first aspect
In four kinds of possible realization methods, the imaging lens further include lens barrel, and the lens barrel is used for first lens, described the
Two lens and the diaphragm are set in the lens barrel.
Wherein, the lens barrel can be used for first lens, second lens and the diaphragm being fixedly installed
In in the lens barrel.
Second aspect provides a kind of camera lens module, and the camera lens module includes imaging lens, and the imaging lens include the
One lens and diaphragm, the diaphragm around first lens effective imaging moiety, the circular formation of the diaphragm it is effective
The face of light admission port is perpendicular to the optical axis of first lens, effective imaging section of the diaphragm for making the first lens described in directive
The light divided passes through, and for stopping that light penetrates the non-effective imaging moiety of first lens.
Wherein, the camera lens module can also include the second lens, first lens and the second lens common optical axis.
Wherein, the camera lens module can be periscope type lens module, and the periscope type lens module can also include anti-
Penetrate at least one of unit, optical filter and imaging sensor.Wherein reflector element may include reflecting prism or speculum.
Wherein, the camera lens module this can be telephoto lens module.
Wherein, the diaphragm is alternatively looped around institute around effective imaging moiety of first lens at the diaphragm
It states on the boundary of effective imaging moiety of the first lens, it may also be said at the diaphragm around effective thang-kng of first lens
The edge in face.
In this case, effective thang-kng diameter of the first lens can be utilized well, such as can be made and the
The width for the light beam that the parallel light of one lens is constituted is equal to effective thang-kng diameter of the first lens.
According to second aspect, in the first possible realization method of second aspect, the imaging lens further include mirror
Cylinder, first lens and the diaphragm for being set in the lens barrel by the lens barrel.
Wherein, the lens barrel can be also used for second lens being set in the lens barrel.
Wherein, the lens barrel can be used for first lens, second lens and the diaphragm being fixedly installed
In in the lens barrel.
According to second aspect or second aspect the first realization method, in second of possible realization side of second aspect
In formula, the diaphragm is additionally operable to first lens being set in the lens barrel.
Alternatively, in alternatively possible realization method, the diaphragm is collectively constituted with the non-effective imaging moiety
The fixed part of effective imaging moiety, the fixed part is for effective imaging moiety to be fixed in the lens barrel.
Wherein, the realization method in the lens barrel is fixed on by first lens for the diaphragm, the diaphragm can
For first lens are fixedly installed in the lens barrel.
Wherein, the realization method in the lens barrel is fixed on by first lens for the diaphragm, specifically may be used
To be that the diaphragm is fixedly connected with the lens barrel, and is located at before the non-effective imaging moiety, the non-effective imaging
Partial outer diameter is more than effective thang-kng diameter of the diaphragm.For first lens are set in the lens barrel.
Wherein, the outer diameter of non-effective imaging moiety is the diameter for the outer ledge for prolonging the optical axis direction perpendicular to the first lens.
Wherein, the mode that diaphragm is fixedly connected with the lens cone can be fixed diaphragm and lens barrel by mode for dispensing glue and connect
It connects, alternatively, gasket is arranged before diaphragm, is then fixedly connected with the lens cone gasket by mode for dispensing glue, and then pass through pad
Piece is fixed the diaphragm and is connect with lens barrel.
According to any one of the implementation above mode of second aspect or second aspect realization method, in second aspect
In three kinds of possible realization methods, effective thang-kng diameter of the diaphragm is equal to effective thang-kng diameter of first lens.
According to any one of the implementation above mode of second aspect or second aspect realization method, in second aspect
In four kinds of possible realization methods, first lens are to be located at most preceding a piece of lens in the imaging lens.
In this case, the Entry pupil diameters of camera lens module are the diameter of diaphragm, and the diameter of diaphragm is in this case
It is equal to effective thang-kng diameter of the first lens again so that effective thang-kng that the Entry pupil diameters of camera lens module are equal to the first lens is straight
Diameter.
The third aspect provides a kind of periscope type lens module, and the periscope type lens module includes imaging lens, it is described at
Picture camera lens includes the first lens, and the non-effective imaging moiety of first lens is made shading treatment, and the shading treatment is used for
Stop the light of the non-effective imaging moiety of the first lens described in directive.
Wherein, the first lens further include effective imaging moiety, and effective imaging moiety is for converging light, to real
Ready-made picture.Non-effective imaging moiety is that effective imaging moiety prolongs the extension perpendicular to optical axis direction, and non-effective imaging moiety does not have to
In imaging, non-effective imaging moiety can be also used for the imaging lens for the first lens being arranged or being fixed on periscope type lens module
In the lens barrel of head.
Wherein it is possible to which the first lens are fixedly installed on institute in such a way that non-effective imaging moiety is fixedly connected with the lens cone
It states in lens barrel.
Wherein, the periscope type lens module can also include at least one in reflector element, optical filter and imaging sensor
.Wherein reflector element may include reflecting prism or speculum.
Wherein, the imaging lens can also include lens barrel, and first lens are fixedly installed in the lens barrel.
Wherein, the periscope type lens module can also be telephoto lens module.
In this case, effective thang-kng diameter of the first lens can be utilized well, such as can be made and the
The width for the light beam that the parallel light of one lens is constituted is equal to effective thang-kng diameter of the first lens.
According to the third aspect, in the first possible realization method of the third aspect, the shading treatment includes blacking
Processing.
According to the first of the third aspect or the third aspect realization method, in second of possible realization of the third aspect
In mode, the non-effective imaging moiety of first lens is included as shading treatment:The non-effective imaging of first lens
Shading treatment is made in partial outside, and the outside of the non-effective imaging moiety of first lens is to use the periscopic mirror
Towards the side for the entity that is taken when head mould group is shot.
According to the third aspect or third aspect any of the above realization method, in the third possible reality of the third aspect
In existing mode, first lens are to be located at most preceding a piece of lens in the imaging lens.
Fourth aspect, provides a kind of terminal, and the terminal includes the first aspect being arranged in the terminal, second aspect
Or the camera lens module of the third aspect.
Wherein, terminal is referred to as terminal device, specifically, terminal can be mobile terminal.
Wherein, camera lens module can be periscope type lens module, can be telephoto lens module further.
Wherein, which can also include at least one of display screen, processor and memory.Display screen can be to touch
Display screen.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structural schematic diagram of photographing device provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of imaging lens provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of another imaging lens provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of another imaging lens provided in an embodiment of the present invention;
Fig. 5 a are a kind of structural schematic diagram of lens provided in an embodiment of the present invention;
Fig. 5 b are the structural schematic diagram of another lens provided in an embodiment of the present invention;
Fig. 5 c are the structural schematic diagram of another lens provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of another lens provided in an embodiment of the present invention.
Specific implementation mode
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.In order to facilitate the technical solution in the present embodiment is understood, below in conjunction with the accompanying drawings first to periscope type lens module into
Row explanation.
As shown in Figure 1, Fig. 1 provides a kind of structural schematic diagram of photographing device 100.The photographing device 100 can be eventually
It holds, such as this mobile terminal of mobile phone, tablet computer or digital camera, photographing device 100 may include:Periscope type lens
Module 2 and display unit 3, wherein periscope type lens module 2 are horizontal in terminal, and periscope type lens module 2 can be periscopic
Telephoto lens module, periscope type lens module 2 may include:Reflecting prism 4, imaging lens 5, optical filter 6 and image sensing
Device 7.Its image-forming principle is:Light 1 enters imaging lens 5 by the deflection of reflecting prism 4, and imaging lens 5, which have light 1, to converge
It is polymerized to as effect, the extra light wave (such as light wave in addition to visible light) in light 1 is filtered off by optical filter 6, is finally converged
In imaging sensor 7;Imaging sensor 7 can be CMOS (Complementary Metal-Oxide Semiconductor,
Metal oxide semiconductor device) imaging sensor or CCD (Charge Coupled Device, charge coupled cell) figure
As sensor, imaging sensor be mainly used for the optical signal of light 1 carry out opto-electronic conversion and A/D (Analog/Digital,
Analog signal/digital signal) conversion, the image data shown for display unit to output.During realization, rib is reflected
Mirror 4 can also be substituted using speculum, reflecting prism 4 and speculum effect having the same.
Wherein, can be used for being imaged in light 1.
Wherein, one group of lens is generally comprised in imaging lens 5, the number of one group of lens common optical axis, lens is more than 2, when
Positioned at most preceding a piece of lens it is often that effective thang-kng diameter is maximum in this group of lens when periscope type lens are telephoto lens.
It is often effective thang-kng diameter minimum to be located at most preceding a piece of lens when periscope type lens are short-focus lens, in this group of lens
's.
In addition, other than above-mentioned hardware, above-mentioned periscope type lens module 2 can also include:Focusing motor and stabilization
At least one of motor, focusing motor are used to adjust the position of imaging lens 5, to shoot different distance object, horse of focusing certainly
Up to can not also be located in periscope type lens module 2, such as can be in photographing device 100;Anti-vibration motor, for adjusting imaging
5 position of camera lens, makes that shooting object will not reasons cause image fuzzy because of such as user is handshaking etc., and certain anti-vibration motor also may be used
Not to be located in periscope type lens module 2.Photographing device 100 can also include processing unit, which can be used for reality
It now takes pictures control, for example, for exposal model, such as white-black pattern, high dynamic pattern etc. to be arranged;The processing unit can also be used
It is controlled in focusing, auto-focusing is realized for controlling focusing motor;The processing unit can be used for stabilization control, for controlling
Anti-vibration motor steady shot image.Focusing motor, anti-vibration motor, processing unit among the above etc. and terminal in the prior art
Function is close, and in this not go into detail.
Further, Fig. 2 provides a kind of structural schematic diagram of imaging lens 200, which can be Fig. 1
In imaging lens 5 in corresponding periscope type lens module 2, further, which can also be telephoto lens
The imaging lens of imaging lens or short-focus lens, it should be appreciated that imaging lens 200 can also be unless periscope type lens module it
The imaging lens of outer camera lens module are imaged as shown in Fig. 2, prolonging the direction of propagation (light is shown with arrow in fig. 2) of light
Camera lens 200 can include diaphragm 22, the first lens 21, the second lens 23 successively, wherein the first lens 21 and the second lens 23 are total
Optical axis.
Wherein, the first lens 21 can be convex lens, and the second lens 23 can be convex lens, can also be concavees lens.
Wherein, diaphragm 22 can be aperture diaphragm, and the shape of effective light admission port of diaphragm 22 can be circle, diaphragm 22
The face of effective light admission port can be located at first perpendicular to the optical axis of the first lens 21, the center of effective light admission port of diaphragm 22
On the optical axis of lens 21.
Imaging lens 200 can also include lens barrel, and diaphragm 22, the first lens 21, the second lens 23 are set to (specific next
Say, can be fixedly installed on) in lens barrel.Light after the second lens 23 by optical filter, and eventually arrive at image biography
Sensor.
Wherein, the first lens 21 can be to be arranged before the first lens 21 in diaphragm 22 positioned at most preceding a piece of lens
When, other than the light parallel with the optical axis of the first lens 21, form an angle (for example, given with the optical axis of the first lens 21
Field angle half) light be also required to through 22 the first lens of directive 21 of diaphragm, in order to constrain light and so that pass through
The light of diaphragm 22 to form an angle with the optical axis of the first lens 21 can be radiated at effective light pass surface of the first lens 21 and
It is not the part except effective light pass surface, therefore, the diameter of diaphragm 22 needs to be less than effective thang-kng diameter of the first lens 21.From
And effective thang-kng diameter of the first lens 21 is caused to be not efficiently used, such as can make the light parallel with the first lens 21
The width of the light beam of composition is less than effective thang-kng diameter of the first lens 21.
Wherein, the diameter of diaphragm 22 is referred to as effective thang-kng diameter of diaphragm 22, alternatively, being referred to as diaphragm 22
Effective light admission port diameter.
Wherein, effective light admission port is referred to as effective light hole or light hole.
When due to before diaphragm 22 being located at the first lens 21, the Entry pupil diameters of the camera lens module where imaging lens 200
(EPD, entrance pupil diameter) is the diameter of diaphragm.It may thus be appreciated that the camera lens module at 200 place of imaging lens
Entry pupil diameters are less than effective thang-kng diameter of the first lens 21, as shown in Figure 2, a diameter of D of diaphragm 22, the first lens 21
Effective thang-kng diameter is L, and D<L is not efficiently used so as to cause effective thang-kng diameter of the first lens 21.
It should be noted that diameter is referred to as aperture or bore, the invention is not limited thereto.Also need to explanation
It is in the present invention, to describe position before it can use and later, for example, A refers to the biography in light before being located at B
It broadcasts on direction, the relative position of A and B are B after elder generation A, and similarly, B is referred to after being located at A on the direction of propagation of light, A and B
Relative position be elder generation A after B.
Fig. 3 is the structural schematic diagram of another imaging lens 300 provided in an embodiment of the present invention, which can
Think the imaging lens 5 in corresponding periscope type lens module 2 in Fig. 1, further, which can also be length
The imaging lens of zoom lens or the imaging lens of short-focus lens, it should be appreciated that imaging lens 300 can also be unless periscopic mirror
The imaging lens of camera lens module except head mould group, as shown in figure 3, prolonging the direction of propagation of light, imaging lens 300 can be successively
Including the first lens 31, diaphragm 32, the second lens 33,33 common optical axis of the first lens 31 and the second lens.
Wherein, diaphragm 32 can be aperture diaphragm, and the shape of effective light admission port of diaphragm 32 can be circle, diaphragm 32
The face of effective light admission port can be located at first perpendicular to the optical axis of the first lens 31, the center of effective light admission port of diaphragm 32
On the optical axis of lens 31.Wherein, effective light admission port be diaphragm 32 on for light by a diameter of effective thang-kng diameter mouth.
Imaging lens 300 can also include lens barrel, and the first lens 31, diaphragm 32, the second lens 33 may be contained within (specific next
Say, can be fixedly installed on) in lens barrel.
Wherein, the first lens 31 can be convex lens, and the second lens 33 can be convex lens, can also be concavees lens.
Wherein, the first lens 31 can be most preceding group of lens in periscope type lens module 2, and most preceding group of lens refer to light
The one group of lens contacted at first.In the direction of propagation of light, the first lens 31 may not be most preceding group of lens, can be located at most
After preceding group of lens.First lens 31 can be at least a piece of lens, and the second lens can be at least a piece of lens.As showing
, the first lens 31 in Fig. 3 can be positioned at most preceding a piece of lens, and the second lens can be 4 lens, be located at most preceding
A piece of lens refer to a piece of lens that light 1 contacts at first in lens barrel.
In embodiments of the present invention, after being located at the first lens 31 due to diaphragm 32, the mirror where imaging lens 300
The Entry pupil diameters of head mould group should be size of the diaphragm 32 to effective thang-kng diameter of 31 imaging of the first lens, alternatively, hole
Diameter diaphragm through the first lens effective thang-kng diameter of object space imaging size.The picture can be the virtual image of diaphragm 32,
Therefore, diaphragm 32 prolongs the optical axis of the first lens 31 to the distance of the first lens 31, can be less than one times of focal length of the first lens 31.
When diaphragm 32 is located at after the first lens 31, diaphragm 32 can equally constrain light and make through the first lens
The light that 31 effective imaging moiety enters by and stop entered by effective imaging moiety of the first lens 31
Light beam, therefore diaphragm 32 plays the role of diaphragm 22 in Fig. 2.When diaphragm 32 is located at after the first lens 31, the first lens
31 effective thang-kng diameter can be utilized well, such as the light beam that the light parallel with the first lens 31 can be made to constitute
Width be equal to the first lens 31 effective thang-kng diameter.Also, in this case, even if the diameter of diaphragm 32 is less than first
Effective thang-kng diameter of lens 31, but the amplification imaging of diaphragm 32 is acted on by the first lens 31, where imaging lens 300
Camera lens module Entry pupil diameters be can be equal to or more than the first lens 31 effective thang-kng diameter.
In order to keep the f-number of the camera lens module where imaging lens 300 small as possible, the diameter needs of diaphragm 32 are set as
Substantially can be by diaphragm 32, in other words by the light of effective imaging moiety of the first lens 31, diaphragm 32 does not hinder substantially
The light that gear passes through effective imaging moiety of the first lens 31.It should be understood why saying that reason is the system of optical device substantially
It makes technique and is likely to result in certain error.And other light, such as projected the non-effective imaging moiety of the first lens 31
Light cannot then pass through diaphragm 32.In this case, effective thang-kng diameter of the picture of diaphragm 32 is greater than or equal to
Effective thang-kng diameter of first lens 31, therefore so that the Entry pupil diameters EPD of the camera lens module where imaging lens 300 is big
In or equal to the first lens 31 effective thang-kng diameter so that effective thang-kng diameter of the first lens 31 is imaged in other words
The height of camera lens module where camera lens 300 is fully utilized.To compared to embodiment shown in Fig. 2, aperture bigger, aperture
It is worth smaller.
Wherein, the non-effective imaging moiety of so-called first lens 31 can be understood as be the first lens 31 effective imaging section
The extension divided, and can be fixed on the first lens 31 to realize by the non-effective imaging moiety of fixed first lens 31
In lens barrel.Correspondingly, the face of the other side positioned at 33 side of the second lens of effective imaging moiety of the first lens 31 is (namely
Before first lens 31 or phototropic face) can be the first lens 31 effective light pass surface.In other words, the first lens 31 has
It can be to be with the optical center of the first lens 31 that circle is formed by the plane for the optical center that effect light pass surface was mapped in the first lens 31
With the circle of a diameter of diameter of effective thang-kng of the first lens 31, the plane for crossing the optical center of the first lens 31 can be perpendicular to the in the center of circle
The optical axis of one lens 31.Effective light pass surface of so-called first lens 31 also refers to that in light the first lens will be being injected
The face of the first lens 31 contacted when 31, and when light is penetrated in the part except effective light pass surface of the first lens 31,
Light then will not finally be used to be imaged, such as the non-effective imaging moiety 312 of the first lens 31 is exactly having for the first lens 31
Imitate the part except light pass surface.
During realization, the focal length of imaging lens 5 can be, for example, 11.74mm, the field angle of periscope type lens module 2
FOV can be, for example, to spend.The related statement and the description of all parts of the embodiment are similar to the above embodiments, herein no longer
It repeats.
Fig. 4 is the structural schematic diagram of another imaging lens 400 provided in an embodiment of the present invention, which can
Think the imaging lens 5 in corresponding periscope type lens module 2 in Fig. 1, further, which can also be length
The imaging lens of zoom lens or the imaging lens of short-focus lens, it should be appreciated that imaging lens 400 can also be unless periscopic mirror
The imaging lens of camera lens module except head mould group, as shown in figure 4, prolonging the direction of propagation of light, imaging lens 400 can be successively
Including the first lens 41, the second lens 43,43 common optical axis of the first lens 41 and the second lens, the first lens 41 can be positioned at most
Preceding a piece of lens may not be and be located at most preceding a piece of lens.Imaging lens 400 further include diaphragm 42, and diaphragm 42 is surround
In 41 outside of the first lens, the diaphragm is for making the light of effective imaging moiety of the first lens described in directive pass through, wherein
The face of effective light admission port of the circular formation of the diaphragm can be penetrated perpendicular to the optical axis of first lens, and for stopping
To the light of the non-effective imaging moiety of first lens, alternatively, for stopping that light has through the non-of the first lens
Imitate imaging moiety.
Wherein, diaphragm 42 can be in annular shape, and the center of diaphragm 32 can also be on the optical axis of the first lens 31.
Wherein, diaphragm 42 can be aperture diaphragm, and the shape of effective light admission port of diaphragm 42 can be circle, diaphragm 42
The face of effective light admission port can be located at first perpendicular to the optical axis of the first lens 41, the center of effective light admission port of diaphragm 42
On the optical axis of lens 41.Wherein, diaphragm 42 can be immutable diaphragm, it is, of course, also possible to be iris diaphgram.
Imaging lens 400 can also include lens barrel, and the first lens 41, diaphragm 42, the second lens 43 can be set to (tool
Can be to be fixedly installed on for body) in lens barrel.
Wherein, the first lens 41 can be convex lens, and the second lens 43 can be convex lens, can also be concavees lens.
Specifically, diaphragm 42 can be looped around the edge of effective light pass surface of the first lens 41.During realization, diaphragm
42 shape could be provided as not stopping that light is penetrated in effective light pass surface of the first lens 41, but stop that light is penetrated first
The non-effective imaging moiety 412 of lens 41, in this way, it is not saturating by first that diaphragm 42, which equally plays constraint light and blocking,
The effect for the light beam that effective imaging moiety of mirror 41 enters.And in this case effective thang-kng diameter of the first lens 41
It can be utilized well, such as the width for the light beam that the light parallel with the first lens 41 constitutes can be made to be equal to first thoroughly
Effective thang-kng diameter of mirror 41.And in this case the Entry pupil diameters of the camera lens module where imaging lens 400 are diaphragm
42 diameter, and the diameter of diaphragm 42 is equal to effective thang-kng diameter of the first lens 41 in this case.
Do not stop that light is penetrated in effective light pass surface of the first lens 41 to reach, but stops that light is penetrated in the first lens
The purpose of 41 non-effective imaging moiety 412, the shape of diaphragm 42 can be, for example, the diaphragm 421 in Fig. 5 a, the shape of diaphragm 42
Shape may be that can reach above-mentioned purpose shape.In fig 5 a, non-effective imaging moiety 412 is in effective imaging moiety 411
Step structure, diaphragm 421 are then located at the front end of non-effective imaging moiety 412, the front end of so-called non-effective imaging moiety 412
Non-effective imaging moiety 312 is referred in face of the side of light 1, such setting will not lead to the first lens 31 and diaphragm 321
Shape after combination conflicts with existing lens barrel structure, and agrees with existing lens barrel structure.Imaging lens shown in Fig. 4
In 400 structure, the Entry pupil diameters EPD of the camera lens module where imaging lens 400 is straight equal to effective thang-kng of the first lens 41
Diameter so that effective thang-kng diameter of the height of the camera lens module where imaging lens 400 first lens 41 in other words obtains fully
It utilizes.To compared to embodiment shown in Fig. 2, aperture bigger, f-number smaller.
Wherein, effective light pass surface of so-called first lens 41 also refers to that in light the first lens 41 will be being injected
When the face of the first lens 41 that is contacted, and when light is penetrated in the part except effective light pass surface of the first lens 41, light
Line then will not finally be used to be imaged, such as the non-effective imaging moiety 412 in Fig. 5 a is exactly effective thang-kng of the first lens 41
Part except face, or effective imaging moiety 411 extension.Correspondingly, as shown in Figure 5 a, the first lens 41 it is effective at
As part 411 the other side positioned at 43 side of the second lens face can be the first lens 41 effective light pass surface, therefore,
It may be said that diaphragm 42 is provided around effective imaging moiety 411.In other words, effective light pass surface of the first lens 41 was mapped in
It can be having with the first lens using the optical center of the first lens 41 as the center of circle that circle is formed by the plane of the optical center of one lens 41
The circle of a diameter of diameter of thang-kng is imitated, the plane for crossing the optical center of the first lens 41 can be perpendicular to the optical axis of the first lens 41.About
The shape of non-effective imaging moiety 412 can also be the shape in Fig. 5 b and Fig. 5 c.
Also, as shown in Fig. 5 a, Fig. 5 b or Fig. 5 c, diaphragm 42 is other than the function for realizing diaphragm itself, diaphragm
42 are also used as the fixed part (or fixed part for effective imaging moiety 411) of the first lens 41, are used for the first lens
41 be set to (can be specifically to be fixedly installed on) lens barrel (or for by effective imaging moiety 411 fixed setting and mirror
In cylinder) in.Specifically, diaphragm 42 can be fixedly connected with the lens barrel, and before non-effective imaging moiety 412,
The outer diameter of non-effective imaging moiety 412 is more than effective thang-kng diameter of diaphragm 42.
Wherein, scheme shown in Fig. 5 b can also utilize the length of imaging lens (to prolong the length of optical axis direction to greatest extent
Degree) embodiment related statement and the description of all parts it is similar to the above embodiments, details are not described herein.
Fig. 6 is a kind of structural schematic diagram of first lens 61 provided in an embodiment of the present invention, in figure 6, left side first
The front view of lens 61, right side are the side view of the first lens 61, which can be corresponding periscopic mirror in Fig. 1
Lens in imaging lens 5 in head mould group 2, further, first lens 61 can also be in the imaging lens of telephoto lens
Lens or short-focus lens imaging lens in lens, it should be appreciated that the first lens 61 can also be unless periscope type lens
Lens in the imaging lens of camera lens module except module, wherein the first lens 61 can be positioned at most preceding a piece of lens
Or it is not.
In the present embodiment, it is positioned at most preceding a piece of lens as example using the first lens 61.As shown in fig. 6, first
The surface of the non-effective imaging moiety 614 of lens 61 is painted, specifically, can also be only by non-effective imaging moiety 614
The surface blacking of front end, the purpose of blacking are used to completely cut off the entrance of light 1, and certainly, the front end of non-effective imaging moiety 614 also may be used
To make the processing for entering non-effective imaging moiety 614 for completely cutting off light in addition to blacking.Processing (the packet of the above isolation light
Include blacking processing) effect it is similar to the effect of diaphragm in Fig. 4, Fig. 5 a, Fig. 5 b or Fig. 5 c, for example, be used for stop light
Through the non-effective imaging moiety 614 of first lens 61, or for stopping the non-effective of the first lens 61 described in directive
The light of imaging moiety 614.Therefore, when the first lens 61 shown in Fig. 6 are set in camera lens module, where the first lens 61
The Entry pupil diameters EPD of camera lens module be equal to effective thang-kng diameter of the first lens 61, and make where the first lens 61
Effective thang-kng diameter of the height of camera lens module the first lens 61 in other words is fully used.To compared to shown in Fig. 2
Embodiment, aperture bigger, f-number smaller.
Also, since the processing of isolation light is equivalent to the effect of diaphragm, the imaging lens where the first camera lens 61
In can there is no diaphragm, therefore saved the space of cost and imaging lens.
It, can not be in non-effective imaging moiety also, in the present embodiment, when the first camera lens 61 to be set in lens barrel
Gasket is set before 614, can directly be connect non-effective imaging moiety 614 with lens barrel by dispensing.The correlation of the embodiment
Statement and the description of all parts are similar to the above embodiments, and details are not described herein.
In addition, the embodiment of the present application also provides a kind of terminal, the terminal may include be arranged it is upper in the terminal
Periscope type lens module 2 is stated, can also include the camera lens module where the imaging lens 300 being arranged in terminal, can also wrap
The camera lens module where the imaging lens 400 being arranged in terminal is included, can also include the first lens 61 being arranged in terminal
The camera lens module at place.
The terminal can be the common mobile terminals such as mobile phone, tablet computer, herein without limiting.
It should be understood that the terminal can also include but not limited to display screen, processor, memory and bus, herein not into
Row limits.
Specific case used herein is expounded the principle of the present invention, the explanation of above example is only intended to
It helps to understand method and its thought of the invention;Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of invention.
Claims (13)
1. a kind of periscope type lens module, which is characterized in that the periscope type lens module includes imaging lens, the imaging lens
Head includes the first lens, the second lens and diaphragm, and first lens and the second lens common optical axis, the diaphragm are set to
Between first lens and second lens.
2. periscope type lens module according to claim 1, which is characterized in that first lens are the imaging lens
In most preceding a piece of lens.
3. periscope type lens module according to claim 1 or 2, which is characterized in that the imaging lens further include lens barrel,
The lens barrel is for being arranged first lens, second lens and the diaphragm.
4. a kind of camera lens module, which is characterized in that the camera lens module includes imaging lens, and the imaging lens include first saturating
Mirror and diaphragm, the diaphragm is around effective imaging moiety of first lens, effective thang-kng of the circular formation of the diaphragm
Mouthful face perpendicular to the optical axis of first lens, the diaphragm is used to make effective imaging moiety of the first lens described in directive
Light passes through, and for stopping that light penetrates the non-effective imaging moiety of first lens.
5. periscope type lens module according to claim 4, which is characterized in that the imaging lens further include lens barrel, institute
Lens barrel is stated for first lens and the diaphragm to be arranged.
6. periscope type lens module according to claim 5, which is characterized in that the diaphragm is fixed with the lens barrel to be connected
It connects, and before the non-effective imaging moiety, the outer diameter of the non-effective imaging moiety is more than the effective of the diaphragm
Thang-kng diameter.
7. according to claim 4 to 6 any one of them periscope type lens module, which is characterized in that the effective of the diaphragm is led to
Light diameter is equal to effective thang-kng diameter of first lens.
8. according to claim 4 to 7 any one of them periscope type lens module, which is characterized in that first lens are institute
It states and is located at most preceding a piece of lens in imaging lens.
9. a kind of periscope type lens module, which is characterized in that the periscope type lens module includes imaging lens, the imaging lens
Head includes the first lens, and the non-effective imaging moiety of first lens made shading treatment, and non-after the shading treatment has
Effect imaging moiety is unable to transmitted light.
10. periscope type lens module according to claim 9, which is characterized in that the shading treatment includes blacking processing.
11. periscope type lens module according to claim 9 or 10, which is characterized in that first lens it is non-effective
Shading treatment is made in the outside of imaging moiety, and the outside of the non-effective imaging moiety of first lens is to use the latent prestige
Formula camera lens module shoot when with shooting entity closer to side.
12. according to claim 9 to 11 any one of them periscope type lens module, which is characterized in that first lens are
It is located at most preceding a piece of lens in the imaging lens.
13. a kind of terminal, which is characterized in that the terminal includes any one of the claim 1 to 12 being arranged in the terminal
The camera lens module.
Priority Applications (2)
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CN201710213964.8A CN108663775A (en) | 2017-04-01 | 2017-04-01 | A kind of camera lens module and terminal |
PCT/CN2018/081011 WO2018177347A1 (en) | 2017-04-01 | 2018-03-29 | Lens module and terminal |
Applications Claiming Priority (1)
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CN201710213964.8A CN108663775A (en) | 2017-04-01 | 2017-04-01 | A kind of camera lens module and terminal |
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CN201710213964.8A Pending CN108663775A (en) | 2017-04-01 | 2017-04-01 | A kind of camera lens module and terminal |
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WO (1) | WO2018177347A1 (en) |
Cited By (4)
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CN110191272A (en) * | 2019-06-28 | 2019-08-30 | Oppo广东移动通信有限公司 | CCD camera assembly and electronic equipment |
WO2020114144A1 (en) * | 2018-12-03 | 2020-06-11 | 宁波舜宇光电信息有限公司 | Camera module, periscope camera module thereof, image obtaining method and operating method |
CN112532814A (en) * | 2019-09-18 | 2021-03-19 | 宁波舜宇光电信息有限公司 | Periscopic camera module and electronic equipment |
CN112995445A (en) * | 2019-12-13 | 2021-06-18 | 宁波舜宇光电信息有限公司 | Periscopic camera module |
Families Citing this family (1)
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CN113645374B (en) * | 2020-04-24 | 2023-09-08 | 宁波舜宇光电信息有限公司 | Periscope type camera module, multi-camera module and assembling method of camera module |
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