CN208367291U

CN208367291U - Optical lens and camera module

Info

Publication number: CN208367291U
Application number: CN201820366205.5U
Authority: CN
Inventors: 刘林; 蒋恒; 褚水佳; 周凯伦
Original assignee: Ningbo Sunny Opotech Co Ltd
Current assignee: Ningbo Sunny Opotech Co Ltd
Priority date: 2018-03-16
Filing date: 2018-03-16
Publication date: 2019-01-11
Anticipated expiration: 2028-03-16

Abstract

The utility model provides a kind of optical lens, comprising: the first lens assembly comprising at least one first eyeglass and positioned at the top surface of the non-optical zones of at least one first eyeglass and the light shielding part of side；Second lens assembly comprising the second lens barrel and at least one second eyeglass in second lens barrel, and at least one first eyeglass and at least one described second eyeglass collectively form imageable optical system；And glue material, first lens assembly and second lens assembly are bonded together, and the glue material is between first eyeglass and second lens assembly.The utility model additionally provides corresponding camera module.The utility model can improve the stability of optical system, improve the image quality of optical lens or camera module.

Description

Optical lens and camera module

Technical field

The utility model relates to optical image technology fields, specifically, the utility model relates to optical lens and camera shooting Mould group.

Background technique

With popularizing for mobile electronic device, the user that is used to help for being applied to mobile electronic device obtains image The relevant technologies of the camera module of (such as video or image) have obtained swift and violent development and progress, and in recent years, take the photograph As mould group is all widely used in many fields such as medical treatment, security protection, industrial production.

In order to meet the more and more extensive market demand, high pixel, small size, large aperture is that existing camera module is irreversible The development trend turned.Currently, market proposes higher and higher demand to the image quality of camera module.Intended optical is influenced to set The quality and the foozle during module packaging that the factor of the camera module resolving power of meter includes optical imaging lens.

Specifically, in the manufacturing process of optical imaging lens, influence camera lens resolving power factor from each element and The error and lens materials refractive index that the assembly of its error assembled, the error of eyeglass spacer element thickness, each eyeglass cooperates Variation etc..Wherein, each element and its error of assembly include the optics face thickness of each lens monomer, lens optical face rise, Eccentric between optical surface face type, radius of curvature, eyeglass single side and face, lens optical face tilts equal error, and the size of these errors takes Certainly in mould and die accuracy and formed precision control ability.The error of eyeglass spacer element thickness depends on the machining accuracy of element.Respectively The error of the assembly cooperation of eyeglass depends on being assembled the dimensional tolerance of element and the assembly precision of camera lens.Lens materials refraction The introduced error of the variation of rate then depends on the stability and batch consistency of material.

There is the phenomenon that accumulation deteriorates in the error of above-mentioned each elements affect resolving power, this cumulative errors can be with lens Increasing for quantity and constantly increase.Existing resolving power solution is that the size of the element high to each relative sensitivity is carried out Allowance control, eyeglass revolution compensate raising resolving power, but since the camera lens of high pixel large aperture is more sensitive, it is desirable that tolerance Harsh, such as: part sensitivity camera lens 1um eccentricity of glasses lens can bring 9 ' image planes to tilt, and lead to machining eyeglass and assembling difficulty increasingly Greatly, it simultaneously because feedback cycle is long in an assembling process, causes that the Measure of Process Capability (CPK) of lens assembling is low, fluctuation is big, leads Cause fraction defective high.And as described above, it is present in multiple element, Mei Geyin because the factor for influencing camera lens resolving power very more All there is the limit of the accuracy of manufacture in the control of element, if only promoting the precision of each element merely, hoisting power is limited, be promoted It is with high costs, and it is not able to satisfy the increasing image quality demand in market.

On the other hand, in the process of camera module, the assembling process of each structural member (such as sensitive chip patch Dress, motor camera lens lock process etc.) it all may cause sensitive chip inclination, multinomial slant stack may cause imaging modules Parsing power cannot reach set specification, and it is low in turn result in Mo Zu factory yields.In recent years, Mo Zu factory passes through by imaging lens When head and photosensitive module group assembling, the inclination of sensitive chip is mended by active calibration (Active Alignment) technique It repays.However this technological compensa tion ability is limited.Since a variety of aberrations for influencing resolving power derive from optical system (especially optics Imaging lens) ability itself, when the resolving power deficiency of optical imaging lens itself, existing photosensitive mould group active calibration work Skill is difficult to compensate for.

To overcome drawbacks described above, present applicant has proposed a kind of based on active calibration technique adjustment and determines upper and lower sub- mirror Then upper and lower sub- camera lens is bonded together according to identified relative position, and then produces complete by the relative position of head The assemble method of optical lens or camera module.This solution is able to ascend the optical lens or camera shooting mould of mass production The Measure of Process Capability (CPK) of group；Enable to material (such as sub- camera lens for assembling optical lens or camera module or Photosensory assembly) the precision of each element and its requirement of assembly precision become loose, and then reduce and optical imaging lens and take the photograph As the overall cost of mould group；The various aberrations of camera module can be corrected in an assembling process in real time, reduce fraction defective, Production cost is reduced, image quality is promoted.However, active calibration and bonding based on upper and lower sub- camera lens are a kind of completely new lifes Production. art will be realized reliable and stable mass production based on this production technology, still face lot of challenges.For example, upper sub- mirror There is assembling tolerance between the eyeglass and lens barrel of head, and this assembling tolerance may be to the optics manufactured based on active calibration technique Camera lens brings manufacturing tolerance.Specifically, Fig. 1 is shown in upper sub- camera lens without tolerance is assembled ideally, based on actively One exemplary partial cutaway schematic of the optical lens of calibration process manufacture, in the example, the lens barrel of upper sub- camera lens is under The lens barrel of sub- camera lens is directly connected to, and is played a supporting role.Wherein upper sub- camera lens includes upper lens barrel 11 and upper eyeglass 12, upper lens barrel 11 and upper eyeglass 12 fit closely, belong to without assembling tolerance ideal situation.Lower sub- camera lens includes lower lens barrel 11 and lower eyeglass 12. When upper and lower sub- camera lens is bonded together by glue material 40, glue material can have a very thin thickness.Fig. 2 shows in upper son Camera lens has under the actual conditions of assembling tolerance, an exemplary part section of the optical lens based on the manufacture of active calibration technique Schematic diagram.With reference to Fig. 2, in upper sub- camera lens, the upper surface of upper eyeglass 12 is not bonded closely with upper lens barrel 11, is had therebetween There is gap 50 caused by assembling tolerance, this makes after active calibration, and the glue material 40 between upper sub- camera lens and lower sub- camera lens is filled Space becomes larger, and not only influences glue material coating, also glue material layer can be made to thicken relative to ideal situation shown in FIG. 1.And glue material is got over The thick amount of variability that it may cause is bigger.Specifically, the lens barrel of upper sub- camera lens and lower sub- camera lens are glued using glue material Knot, glue material solidify in deformation process, and glue material can form active force to lens barrel, which will lead to lens barrel and undesirable shape occurs Become, and then the lens position being mounted in the lens barrel is caused to change.And glue material is thicker, above-mentioned undesirable deformation is got over Greatly.This cause glue material be fully cured rear actual optical system lens position and active calibration determined by optical system mirror There are deviations for piece position, and then cause image quality that expection is not achieved.

Utility model content

The utility model is intended to provide a kind of solution of at least one defect that can overcome the prior art.

One aspect according to the present utility model provides a kind of optical lens, comprising: the first lens assembly comprising At least one first eyeglass and positioned at the top surface of the non-optical zones of at least one first eyeglass and the light shielding part of side；The Two lens assemblies comprising the second lens barrel and at least one second eyeglass in second lens barrel, and at least one First eyeglass and at least one described second eyeglass collectively form imageable optical system；And glue material, by described first Lens assembly and second lens assembly are bonded together, and the glue material is between first eyeglass and second mirror Between head part.

In one embodiment, the axis of first eyeglass near second lens assembly and it is described most There is the angle being not zero between the axis of second eyeglass of first lens assembly.

In one embodiment, the light shielding part is the first lens barrel, at least one described first eyeglass is mounted on described the In one lens barrel.

In one embodiment, the glue material is at least one described first eyeglass closest to second camera lens part Between one the first eyeglass of part and the end face of second lens barrel.

In one embodiment, first eyeglass of the glue material between closest second lens assembly Between non-optical face and the end face of second lens barrel.

In one embodiment, the glue material include the first glue material and the second glue material, second glue material between it is described extremely In few first eyeglass in first eyeglass and at least one described second eyeglass of closest second lens assembly Between one the second eyeglass of closest first lens assembly, and the bonding force that second glue material provides is greater than described The bonding force that first glue material provides.

In one embodiment, there is the first gap and the between first lens assembly and second lens assembly Two gaps, first glue material and second glue material are respectively coated on first gap and second gap, and institute The second gap described in the first gap-ratio is stated close to the outside of the optical lens.

In one embodiment, the top surface of second lens barrel includes the second burnishing surface, first gap and described the Two gaps are respectively positioned between the bottom surface of the non-optical zones of second burnishing surface and first eyeglass.

In one embodiment, first gap is located at one first closest to second lens assembly Between eyeglass and the end face of second lens barrel；And second gap is located at closest second lens assembly First eyeglass and described closest between second eyeglass of first lens assembly.

In one embodiment, closest to one first of second lens assembly at least one described first eyeglass The non-optical face of eyeglass has the surface Jing Guo roughening treatment.

In one embodiment, closest to one second of first lens assembly at least one described second eyeglass The non-optical face of eyeglass has the surface Jing Guo roughening treatment.

In one embodiment, the glue material is used to support and fixes first lens assembly and second camera lens part Part, so that the relative position of first lens assembly and second lens assembly is maintained at by determined by active calibration Relative position.

In one embodiment, first glue material is the glue material by photocuring.

In one embodiment, second glue material is to pass through heat cure, moisture-curable, anaerobic curing or oxidative cure Glue material.

In one embodiment, first glue material is UV glue or UV hot-setting adhesive.

In one embodiment, second glue material is hot-setting adhesive or UV hot-setting adhesive.

In one embodiment, first glue material and second glue material are same material in liquid, and described First glue material and second glue material form the unlike material with diverse microcosmic structure after hardening, so that second glue material The bonding force provided after solidification is greater than the bonding force provided after first glue material solidifies.

In one embodiment, first glue material and second glue material are UV hot-setting adhesive.

In one embodiment, first glue material and second glue material do not contact each other.

In one embodiment, size of first gap on the optical axis direction along the optical lens is 30- 100μm。

In one embodiment, size of second gap on the optical axis direction along the optical lens is 30- 100μm。

In one embodiment, second gap and first gap are in the optical axis direction along the optical lens On size difference be less than threshold value.

In one embodiment, second gap has the second opening towards the optical axis of the optical lens, on edge On the direction of the optical axis size of second opening be greater than the average-size in second gap.

In one embodiment, first gap has the first opening towards the outside of the optical lens, on edge On the direction of the optical axis size of first opening be greater than the average-size in first gap.

In one embodiment, first eyeglass is than second eyeglass close to the front end of the optical lens.

In one embodiment, first eyeglass closest to second lens assembly has described in The first boss of second lens assembly protrusion, and second gap is located at the first boss and described described in Between the non-optical face of one the second eyeglass of the first lens assembly.

In one embodiment, the non-optical mask of second eyeglass closest to first lens assembly There is the first groove, second gap is between the first boss and first groove.

In one embodiment, the first boss in bottom view in a ring, and first groove is in a top view In a ring.

In one embodiment, first eyeglass closest to second lens assembly has described in Multiple first boss of second lens assembly protrusion, and multiple first boss described in bottom view are distributed on a circle；And And the end face of second lens assembly has multiple first grooves for accommodating the multiple first boss, between described second Gap is between the multiple first boss and the multiple first groove.

In one embodiment, the side wall of the multiple first groove is formed by second lens barrel, and the multiple first The bottom surface of groove is formed by the non-optical face of second eyeglass closest to first lens assembly.

In one embodiment, the end face of second lens barrel has the second boss towards first lens assembly, And the non-optical face of described first eyeglass closest to second lens assembly has the second groove, between described second Gap is between the second boss and second groove.

Another aspect according to the present utility model additionally provides a kind of camera module comprising optical lens above-mentioned.

It is according to the present utility model in another aspect, additionally providing a kind of optical lens, assemble method includes: preparation first Lens assembly and the second lens assembly wherein the first lens assembly includes at least one first eyeglass, and work as first mirror Relative position between these first eyeglasses are kept by being fitted into mutually when the number of piece is multiple is fixed, the second camera lens Component includes the second lens barrel and at least one second eyeglass in second lens barrel；To first lens assembly and institute It states the second lens assembly to be pre-positioned, collectively forms at least one described second eyeglass at least one described first eyeglass Imageable optical system；First lens assembly and second lens assembly are adjusted and determined based on active calibration Relative position；And first lens assembly and second lens assembly are bonded by glue material, wherein the glue material between Between first eyeglass and second lens assembly.

In one embodiment, the active calibration includes: intake and moves first eyeglass to adjust and determine institute State the relative position of the first eyeglass Yu second lens assembly.

In one embodiment, the active calibration further include: according to the actual measurement resolving power of the optical system, adjust simultaneously Determine the angle of the axis of first eyeglass relative to the axis of second eyeglass.

In one embodiment, the active calibration further include: along the first eyeglass described in planar movement, according to the light The actual measurement resolving power of system determines the moving along the plane between first eyeglass and second lens assembly Relative position on direction；Include translation and/or rotation on the plane along the movement of the plane.

In one embodiment, the active calibration further include: move described along the direction perpendicular to the plane One eyeglass determines between first eyeglass and second lens assembly according to the actual measurement resolving power of the optical system Relative position in the moving direction perpendicular to the plane.

In one embodiment, described bonded by glue material includes: to utilize at least one described in the support of cured glue material First eyeglass and second lens assembly, so that the relative position of first lens assembly and second lens assembly is protected It holds by relative position determined by active calibration.

In one embodiment, described that first lens assembly and second lens assembly be pre-positioned also It include: to make to form the first gap and the second gap between first lens assembly and second lens assembly, wherein described The second gap is close to the outside of the optical lens described in first gap-ratio；And described by glue material bonding includes: by the One glue material and the second glue material are respectively coated on first gap and second gap, wherein the bonding force of second glue material Greater than the bonding force of first glue material；Solidify first glue material so that first lens assembly and second camera lens part Part pre-fixes；And solidify second glue material so that a lens assembly and second lens assembly permanently combine.

In one embodiment, first lens assembly and second lens assembly are pre-positioned described In step, it is formed by first gap and is located at least one described first eyeglass closest to second lens assembly Between the non-optical face of one the first eyeglass and the end face of second lens barrel；Also, it is formed by second gap to be located at Closest to described in first eyeglass and at least one described second eyeglass of closest second lens assembly Between one the second eyeglass of the first lens assembly.

In one embodiment, in described the step of being bonded by glue material, first glue material is UV glue or UV heat Solid glue, second glue material are hot-setting adhesive or UV hot-setting adhesive.

It is according to the present utility model in another aspect, additionally provide a kind of camera module, assemble method includes: using aforementioned Optical lens assemble method assemble optical lens；And assembled optical lens is utilized to make camera module.

It is according to the present utility model in another aspect, additionally providing a kind of camera module, assemble method includes: preparation first Lens assembly and camera module component, wherein the camera module component includes combined second lens assembly and photosensitive Mould group, and the first lens assembly includes at least one first eyeglass, and when the number of first eyeglass is multiple this Relative position between a little first eyeglasses are kept by being fitted into mutually is fixed, the second lens assembly include the second lens barrel and At least one second eyeglass in second lens barrel；First lens assembly and second lens assembly are carried out Pre-determined bit makes at least one described second eyeglass and at least one described first eyeglass collectively form imageable optical system； The relative position of first lens assembly and second lens assembly is adjusted and determined based on active calibration；And pass through Glue material bonds first lens assembly and second lens assembly, wherein the glue material is between first eyeglass and institute It states between the second lens assembly.

Compared with prior art, the utility model has at least one following technical effect:

1, the utility model can deviate to avoid lens position caused by lens barrel deformation.

2, the eyeglass that the utility model can use lens assembly is bonded lower lens assembly directly to provide whole bondings Power, to avoid the influence that lens barrel makes a variation to eyeglass in lens assembly.

3, the utility model can be directly connected to by upper lens assembly eyeglass and lower lens assembly, be reduced because of upper camera lens part Optical lens or camera module manufacturing tolerance brought by existing assembling tolerance between part eyeglass and lens barrel.

4, the utility model can be directly connected to by upper lens assembly eyeglass and lower lens assembly, be reduced because of lens barrel and mirror The variation of upper lens assembly caused by piece thermal expansion coefficient.

5, the utility model can improve the stability of optical system, improve the image quality of camera module.

6, the utility model helps to promote the yield for making optical lens or camera module based on active calibration.

Detailed description of the invention

Exemplary embodiment is shown in reference attached drawing.Embodiment and attached drawing disclosed herein should be considered illustrative , and not restrictive.

Fig. 1 show upper sub- camera lens without assembling tolerance ideally, based on active calibration technique manufacture optics One exemplary partial cutaway schematic of camera lens；

Fig. 2 shows the optics under the actual conditions that upper sub- camera lens has assembling tolerance, manufactured based on active calibration technique One exemplary partial cutaway schematic of camera lens；

Fig. 3 shows the diagrammatic cross-section of the camera module 1000 of the utility model one embodiment；

Fig. 4 shows the bonding of the first lens assembly 100 and the second lens assembly 200 in the utility model one embodiment The enlarged local section schematic diagram in region；

Fig. 5 shows the viscous of the first lens assembly 100 and the second lens assembly 200 in another embodiment of the utility model The enlarged local section schematic diagram of tie region；

Fig. 6 shows the viscous of the first lens assembly 100 and the second lens assembly 200 in another embodiment of the utility model The enlarged local section schematic diagram of tie region；

Fig. 7 shows the viscous of the first lens assembly 100 and the second lens assembly 200 in the utility model further embodiment The enlarged local section schematic diagram of tie region；

Fig. 8 shows the schematic top plan view of the second lens assembly 200 of Fig. 7 embodiment；

Fig. 9 shows the viscous of the first lens assembly 100 and the second lens assembly 200 in the utility model further embodiment The enlarged local section schematic diagram of tie region；

Figure 10 shows the flow chart of the optical lens assemble method in the utility model one embodiment；

Figure 11 shows the flow chart of step 40 in the utility model one embodiment；

Figure 12 shows the flow chart of the camera module assemble method of another embodiment of the utility model；

Figure 13 shows the first lens assembly 100 and the second lens assembly 200 in the utility model further embodiment The enlarged local section schematic diagram of bonded areas；

The first eyeglass and the section after the second lens assembly pre-determined bit that Figure 14 a shows the utility model one embodiment Schematic diagram；

The first eyeglass and the position after the second lens assembly active calibration that Figure 14 b shows the utility model one embodiment Set the diagrammatic cross-section of relationship；

Figure 14 c shows the enlarged diagram of the regional area in Figure 14 a；

Figure 14 d shows the enlarged diagram of the regional area in Figure 14 b；

Figure 14 e shows the dispensing position that the glue material between the first eyeglass and the second lens barrel is increased on the basis of Figure 14 d Regional area enlarged diagram；

Figure 15 a shows relative position regulative mode in the active calibration in the utility model one embodiment；

Figure 15 b shows the adjusting of the rotation in the active calibration of another embodiment of the utility model；

Figure 15 c shows the phase for increasing the adjusting of the direction v, w in the active calibration of another embodiment of the utility model To position regulative mode.

Specific embodiment

Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.

It should be noted that in the present specification, the first, second equal statement is only used for a feature and another feature differentiation It comes, without indicating any restrictions to feature.Therefore, discussed below without departing substantially from teachings of the present application First main body is also known as the second main body.

In the accompanying drawings, for ease of description, thickness, the size and shape of object are slightly exaggerated.Attached drawing is merely illustrative And it is and non-critical drawn to scale.

It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory In bright book use when indicate exist stated feature, entirety, step, operations, elements, and/or components, but do not exclude the presence of or It is attached with one or more of the other feature, entirety, step, operation, component, assembly unit and/or their combination.In addition, ought be such as When the statement of at least one of " ... " appears in after the list of listed feature, entire listed feature is modified, rather than is modified Individual component in list.In addition, when describing presently filed embodiment, use " can with " indicate " one of the application or Multiple embodiments ".Also, term " illustrative " is intended to refer to example or illustration.

As it is used in the present context, term " substantially ", " about " and similar term are used as the approximate term of table, and Be not used as the term of table degree, and be intended to illustrate by by those skilled in the art will appreciate that, measured value or calculated value In inherent variability.

Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Fig. 3 shows the diagrammatic cross-section of the camera module 1000 of the utility model one embodiment.The camera module 1000 include optical lens and photosensory assembly 300.Wherein, optical lens includes the first lens assembly 100, the second lens assembly 200 and the glue material 400 that is bonded together first lens assembly 100 and the second lens assembly 200.Wherein, the first camera lens Component 100 includes the first lens barrel 101 and first eyeglass 102, and the second lens assembly 200 includes the second lens barrel 201 and five Second eyeglass 202.In the present embodiment, the first lens barrel 101 plays interception, without support first eyeglass 102 Function.In other words, the first lens barrel 101 can be understood as the light shielding part for being attached to the first eyeglass 102.With reference to Fig. 3, the first mirror Cylinder 101 surrounds the side of the first eyeglass 101, and specifically, the first eyeglass 102 includes optics area 102a and non-optical zones 102b, the first lens barrel 101 are attached to the side and top surface of non-optical zones 102b, to play interception to optics area 102a.This It, can be with the first lens barrel 101 since the first lens barrel 101 does not need to play the role of supporting the first eyeglass 102 in embodiment Thickness can reduce.For example, the wall thickness of first lens barrel 101 can be less than needed for supporting first eyeglass 102 Wall thickness.It will be helpful to reduce the volume of optical lens or camera module in this way.In the present embodiment, the first eyeglass 102 is straight It connects and is bonded with the second lens barrel 102.Since the first eyeglass 102 is directly bonded with the second lens barrel 102, gap as shown in Figure 2 50 thickness that not will lead to the glue material 400 between the first lens assembly 100 and the second lens assembly 200 thicken.In this way, being based on Active calibration optical lens manufacture in, it is shown in Fig. 2 brought due to the assembling tolerance of the first eyeglass and the first lens barrel it is additional Manufacturing tolerance can be avoided by.

Further, referring still to Fig. 3, in one embodiment, the second lens assembly 200 can also include motor 203, the Two lens barrels 202 may be mounted in the carrier of motor 203 and (internal structure of motor be not shown in Fig. 1).The photosensory assembly 300 include wiring board 301, the sensitive chip 302 in installation assist side 301, in installation assist side 301 and around the sense The cylindrical support body 303 of optical chip and the colour filter 304 being mounted on cylindrical support body 303.The cylindrical support body 303 Top surface the motor 203 is installed to which the second lens assembly 200 be fixed together with photosensory assembly 300.It is noted that In the other embodiments of the utility model, the motor 203 in Fig. 1 can also be by the other structures generation of such as cylindrical support body Replace or Fig. 1 in motor 203 can also be cancelled and the second lens barrel 201 is directly mounted on to the top of cylindrical support body 303 Face.It may be noted that the motor 203 can also be replaced by other types of optical actuator in other embodiments, such as SMA (marmem) actuator.Wherein, optical actuator refers to for promoting optical lens relative to sensitive chip movement Device.

Further, Fig. 4 shows the first lens assembly 100 and the second camera lens part in the utility model one embodiment The enlarged local section schematic diagram of the bonded areas of part 200.With reference to Fig. 4, in the present embodiment, first lens assembly 100 Have between second camera lens 200 gap (in Fig. 4 with " 1. " mark).Specifically, which is located at the first eyeglass 102 Non-optical zones end face (non-optical face) and the second lens barrel 202 between.The surface in the non-optical face of the first eyeglass 102 can be done Roughening treatment increases the bonding force between the second glue material and the surface in non-optical face to increase its degree of roughness.In group When filling the first lens assembly 100 and the second lens assembly 200, active calibration can be first carried out, adjusts the first, second lens assembly 100,200 relative position, then in the gap location of the first eyeglass 102 of the first lens assembly 100 and the second lens assembly 200 Dispensing (such as UV hot-setting adhesive) is not infected with glue material 400 to 101 part of the first lens barrel, then carries out UV exposure, Solidify the relatively outer part that can receive light of glue material 400, is carried out with the structure to camera module or optical lens pre- solid It is fixed.It is finally toasted, solidifies all glue, fixed entire camera module or optical lens.Certainly in another embodiment, The sequence of dispensing and active calibration also can be interchanged.

With reference to Fig. 4, in one embodiment, to enable glue be exposed solidification as far as possible, the first lens assembly 100 The barrel of first lens barrel 101 is thinned as far as possible.Further, in another embodiment, the first lens assembly can also be only by one The eyeglass that piece has done shading treatment is constituted, and wherein eyeglass shading treatment can impact imaging to avoid veiling glare).Shown in Figure 13 Embodiment will be further described through below.

Further, referring still to Fig. 4, in one embodiment, chamfering is can be set so that between described in the second lens barrel 201 Gap is formed towards extraneous opening 401b, and chamfering is used to dredge the glue of possible spilling, prevents the first of the first lens assembly 100 Lens barrel 101 is infected with glue.Second lens barrel 201 chamfering can also be arranged so that the gap forms opening towards optical lens optical axis Mouth 401a avoids eyeglass from being polluted by glue to dredge the glue that may be overflowed.Two openings 401a, 401b are along light Size on the direction of axis is all larger than the average-size in gap.

In above-described embodiment, the first eyeglass 102 is than second eyeglass 202 close to the front end (optics of the optical lens The front end of camera lens refers to light incident side, and rear end refers to close to one end of photosensory assembly).

Further, Fig. 5 shows the first lens assembly 100 and the second camera lens in another embodiment of the utility model The enlarged local section schematic diagram of the bonded areas of component 200.First lens assembly 100 and the second camera lens 200 in the present embodiment Between have the first gap and the second gap.The position in the first gap and the second gap is marked in Fig. 5 respectively with " 1. " and " 2. " It sets.The glue material includes the first glue material and the second glue material, wherein the first glue material and the second glue material be respectively coated on the first gap and Second gap, and close to the outside of the optical lens, (i.e. second the first gap of gap-ratio is leaned in first the second gap of gap-ratio The optical axis of the nearly optical lens).Also, the second glue material is between the first eyeglass 102 and the second eyeglass 202, and described second The bonding force that glue material provides is greater than the bonding force that first glue material provides.With reference to Fig. 2, the first gap is located at the first eyeglass 102 Non-optical face 111 and the second lens barrel 201 end face 211 between.Second gap is located at the non-optical face 112 of the first eyeglass 101 With between the non-optical face 212 of second eyeglass 202 of first lens assembly 100.First eyeglass 101 Non-optical face 112 can be formed so that towards the first boss 112a of 200 protrusion of the second lens assembly, such second gap is located at Between first boss 112a and the non-optical face 212 of the second eyeglass 202.The first boss 112a can be in ring in bottom view Shape.The cross sectional shape of first boss 112a is unlimited, such as its cross sectional shape can be the shapes such as trapezoidal, rectangle.

It in one embodiment, is that glue is enable to be exposed solidification, the first lens barrel of the first lens assembly 100 as far as possible 101 barrel as far as possible be thinned (such as the wall thickness of first lens barrel 101 can be less than rigid support described in the first eyeglass Wall thickness needed for 102) in addition the first lens assembly (eyeglass shading only can be constituted by a piece of eyeglass for having done shading treatment Processing avoids veiling glare from impacting imaging).Herein, the non-optical face of an eyeglass is that the eyeglass is not involved in optical imagery Part surface.The part for being not involved in optical imagery of eyeglass is properly termed as non-optical zones, otherwise referred to as dead space.This reality It applies in example, the non-optical zones of eyeglass can play a supporting role.In the present embodiment, the glue material (including the first glue material and second Glue material) it is used to support the first lens assembly 100 and the second lens assembly 200, so that first lens assembly 100 and described The relative position of two lens assemblies 200 is maintained at through relative position determined by active calibration.Wherein the first glue material can be used for It pre-fixes, the second glue material is for being permanently fixed.In one embodiment, the first glue material is UV glue, and UV glue can be consolidated by exposing Change.Second glue material is hot-setting adhesive, and hot-setting adhesive can be solidified by toasting camera lens or mould group.In the present embodiment, coating the The surface in the non-optical face 212 of the second eyeglass 202 of two glue materials can do roughening treatment to increase its degree of roughness, Jin Erzeng Add the bonding force between the second glue material and the surface in non-optical face 212.The surface in the non-optical face 111,112 of the first eyeglass 102 Roughening treatment can also be done to increase its degree of roughness, and then increase the bonding between the second glue material and the surface in non-optical face Power.

Further, Fig. 6 shows the first lens assembly 100 and the second camera lens in another embodiment of the utility model The enlarged local section schematic diagram of the bonded areas of component 200.The present embodiment and embodiment shown in fig. 5 are almost the same, difference It is only that the non-optical face 212 of the second eyeglass 202 forms one first groove 212a, second gap is located at the first boss Between 112a and the first groove 212a.The first boss 112a in bottom view in a ring, and first groove 212a is in a top view in a ring.The first groove corresponding with first boss, which is arranged, can prevent glue from overflowing and polluting eyeglass.

Further, Fig. 7 shows the first lens assembly 100 and the second camera lens in the utility model further embodiment The enlarged local section schematic diagram of the bonded areas of component 200.Fig. 8 shows bowing for the second lens assembly 200 of Fig. 7 embodiment Depending on schematic diagram.With reference to Fig. 7 and 8, in the present embodiment, the first eyeglass 102 have protruded towards second lens assembly 200 it is more The end face 213 of a first boss 112b, second lens assembly 200 have for accommodating the multiple first boss 112b's Multiple first groove 213b, second gap be located at the multiple first boss 112b and the multiple first groove 213b it Between.(refer to Fig. 8) in a top view, the multiple first groove 213b is distributed on a circle.Correspondingly, the institute in bottom view Multiple first boss 112b are stated to be also distributed about on a circle.In the present embodiment, the second glue can be coated in the first groove 213b's Bottom can prevent glue spilling from polluteing eyeglass.Also, the scheme of the present embodiment also increases 100 He of the first lens assembly The contact area of second lens assembly 200, so that the connection for increasing the first lens assembly 100 and the second lens assembly 200 is strong Degree.

Referring still to Fig. 7, in one embodiment, the side wall of the multiple first groove 213b is by second lens barrel 201 form, and the bottom surface of the multiple first groove 213b is by second eyeglass 202 closest to first lens assembly Non-optical face 212 is formed.

Further, Fig. 9 shows the first lens assembly 100 and the second camera lens in the utility model further embodiment The enlarged local section schematic diagram of the bonded areas of component 200.In the present embodiment, 100 He of the first lens assembly in the present embodiment There is the first gap and the second gap between second camera lens 200.The glue material includes the first glue material and the second glue material, wherein the One glue material and the second glue material are respectively coated on the first gap and the second gap, and first the second gap of gap-ratio is close to the light Learn the outside (i.e. optical axis of second the first gap of gap-ratio close to the optical lens) of camera lens.Second glue material provides viscous Resultant force is greater than the bonding force that first glue material provides.The end face of second lens barrel 201 has to 100 protrusion of the first lens assembly Second boss 214a, and the non-optical face of first eyeglass 102 has the second groove 114a, second gap is located at institute It states between second boss 214a and the second groove 114a.First gap is located at the non-optical face 111 and of the first eyeglass 102 Between the end face 211 of two lens barrels 201.The second boss 214a in a top view can be in a ring.Second boss 214a's cuts Face shape is unlimited, such as its cross sectional shape can be the shapes such as trapezoidal, rectangle.The second groove 114a can in bottom view With in a ring.To enable glue be exposed solidification as far as possible, the barrel of the first lens barrel 101 of the first lens assembly 100 to the greatest extent may be used Can be thinned (such as the wall thickness of first lens barrel 101 can be less than cylinder needed for the first eyeglass 102 described in rigid support Wall thickness) in addition the first lens assembly can only be made of that (wherein eyeglass shading treatment is avoided a piece of eyeglass for having done shading treatment Veiling glare impacts imaging).

Referring still to Fig. 9, in one embodiment, second gap has the towards the optical axis of the optical lens Two openings 402, the size of second opening 402 is greater than the average ruler in second gap on the direction along the optical axis It is very little.First gap has the first opening 401 towards the outside of the optical lens, on the direction along the optical axis The size of first opening 401 is greater than the average-size in first gap.This first opening 401 and the second opening 402 Design can effectively dredge the glue of spilling, avoid the optics area of lens barrel or eyeglass contaminated.First opening 401 and second Opening 402 can be formed by making chamfering in the end face of the second lens barrel 201.

Further, Figure 13 shows the first lens assembly 100 ' and the second mirror in the utility model further embodiment The enlarged local section schematic diagram of the bonded areas of head part 200 '.In the present embodiment, the first lens assembly can only be done by a piece of The eyeglass of shading treatment is constituted.Wherein eyeglass shading treatment can impact imaging to avoid veiling glare.With reference to Figure 13, first Lens assembly 100 ' includes first eyeglass 102 ' and the light shielding part 101 ' for being attached to the first eyeglass 102 '.Wherein the first mirror Piece 102 ' includes optics area 1021 ' and non-optical zones 1022 ' (otherwise referred to as dead space).Wherein optics area 1021 ' is eyeglass The middle region for participating in optical imagery.Light shielding part 101 ' is formed in top surface and the lateral surface of non-optical zones 1022 ', to avoid veiling glare pair Imaging impacts.The bottom surface of non-optical zones 1022 ' can be one first burnishing surface.Second lens assembly 200 ' includes at least one A second eyeglass 202 ' and the second lens barrel 201 '.All second eyeglasses 202 ' are installed in the inside of the second lens barrel 201 '.Second The top surface of lens barrel 201 ' includes one second burnishing surface.The first gap 410 ' and are formed between first burnishing surface and the second burnishing surface Two gaps 420 '.Wherein the first gap 410 ' is than the second gap 420 ' close to the outside of the optical lens, i.e. the second gap 420 ' than the first gap 410 ' close to the optical axis of the optical lens.First glue material is UV glue, and UV glue can be consolidated by exposing Change.Second glue material is hot-setting adhesive, and hot-setting adhesive can be solidified by toasting camera lens or mould group.In the present embodiment, the first mirror The part in the second gap of composition of the bottom surface of the non-optical zones 1022 ' of piece 102 ' can do roughening treatment to increase its coarse journey Degree, and then increase the bonding force of itself and the second glue material.It can make the first lens assembly after first glue material and the solidification of the second glue material 100 ' and second the relative position of lens assembly 200 ' be maintained at relative position determined by active calibration.Due to light shielding part 101 ' It is attached on the first eyeglass 102 ', eliminates the first lens barrel, avoid the assembling tolerance of the first eyeglass and the first lens barrel, therefore Avoid the second mutation problem that the glue material because of brought by the assembling tolerance thickens caused by (as shown in Figure 2).On the other hand, During active calibration, intake mechanism usually requires to clamp (or absorption) lens assembly from outside to adjust the first camera lens The relative position of component and the second lens assembly.When lens assembly has lens barrel, intake mechanism clamping (or absorption) lens barrel from And move eyeglass indirectly to realize the adjustment of optical system.It is public to there is assembling in the first lens assembly (such as upper sub- camera lens) When poor, there is the installation difference (i.e. difference occurs in the relative position of eyeglass and lens barrel) not being expected in eyeglass and lens barrel, this When difference will lead to batch production, the gap size between the first lens assembly and the second lens assembly is unstable, be not easy into Row active calibration.And the embodiment of Figure 13 can be to avoid this problem.

Further, in previous embodiment, UV glue and hot-setting adhesive has been respectively adopted in the first glue material and the second glue material.Generally For, it can provide the bonding force greater than UV glue after thermosetting adhesive curing, so that the bonding force that second glue material provides is greater than The bonding force that first glue material provides.UV glue is coated in positioned at first gap of outside (i.e. apart from the farther away side of optical axis), Hot-setting adhesive is coated in positioned at second gap of inside (i.e. apart from the closer side of optical axis).UV glue by the direct irradiation of light into Row solidification, to be pre-fixed to the first lens assembly and the second lens assembly according to relative position determined by active calibration. Then the optical lens after pre-fixing is heated again, so that the thermosetting adhesive curing of its second gap location, to enhance optics The structural strength of camera lens improves the reliability of optical lens.

It may be noted that in other embodiments, the first glue material can also be that other glue materials by photocuring (such as can be UV hot-setting adhesive).Second glue material can also be other glue materials by heat cure, moisture-curable, anaerobic curing or oxidative cure.

In another embodiment, the first glue material and the second glue material can be the same material in liquid, such as the first glue Material and the second glue material can be all made of UV hot-setting adhesive.However, the UV hot-setting adhesive for being located at the first gap and the second gap is respectively adopted Different modes solidified (such as can first with the UV hot-setting adhesive in the first gap of light direct irradiation make its complete photocuring, so Heat cure is carried out to the UV hot-setting adhesive in the second gap again afterwards), to form the different materials with diverse microcosmic structure after hardening Matter, so that the bonding force that second glue material provides after solidifying is greater than the bonding force provided after first glue material solidifies.It is described Microstructure for example can be molecular structure, micron-sized physical aspect, molecular ratios, lattice form etc..

Further, in one embodiment, first glue material and second glue material can not contact each other, to keep away Chemical change is generated after exempting from the first glue material and the mixing of the second glue material, influences glue property.Due to avoiding the first glue material and second Chemical change is generated after glue material mixing, the present embodiment can further enhance the reliability of optical lens or camera module.

Further, in one embodiment, first gap is on the optical axis direction along the optical lens Having a size of 30-100 μm.

Further, in one embodiment, second gap is on the optical axis direction along the optical lens Having a size of 30-100 μm.

Further, described when the first glue material and the second glue material use liquid when identical material (when uncured) The difference of second gap and size of first gap on the optical axis direction along the optical lens is less than threshold value (threshold Value is less than 100 μm).

In above-described embodiment, the eyeglass number of the first lens assembly and the second lens assembly can according to need adjustment.Example It can also be respectively three and three if the number of lenses of the first lens assembly and the second lens assembly can be respectively two and four, It can be respectively four and two, can also be respectively five and one.The eyeglass sum of entire optical lens also can according to need adjustment, Such as the eyeglass sum of optical lens can be six, be also possible to five or seven.Particularly, in a preferred embodiment, when One lens assembly have multiple first eyeglasses when, these first eyeglasses kept by being fitted into mutually between relative position It is fixed.In other words, multiple first eyeglasses of the first lens assembly do not need the first lens barrel to provide support function, can keep The stable structure of the optical system of first lens assembly.Also, the first lens assembly and the second lens assembly are bonded by glue material When, the first eyeglass (only having single first eyeglass in these embodiments) in previously described each embodiment is by what is be fitted into mutually It is substituted in multiple first eyeglasses closest to first eyeglass of the second lens assembly.That is, in Fig. 3-8 Closest to one first of the second lens assembly in multiple first eyeglasses that the shape and structure of one eyeglass can be used for being fitted into mutually Eyeglass, to realize similar function.

Further, Figure 10 shows the flow chart of the optical lens assemble method in the utility model one embodiment. With reference to Figure 10, this method comprises:

Step 10, prepare the first lens assembly and the second lens assembly, wherein first lens assembly includes at least one A first eyeglass, and when the number of first eyeglass is multiple, these first eyeglasses are kept each other by being fitted into mutually Between relative position fix, the second lens assembly include the second lens barrel and in second lens barrel at least one second Eyeglass.

Step 20, first lens assembly and second lens assembly are pre-positioned, make it is described at least one Second eyeglass and at least one described first eyeglass collectively form imageable optical system.

Step 30, the phase of first lens assembly and second lens assembly is adjusted and determined based on active calibration To position.

Step 40, first lens assembly and second lens assembly are bonded by glue material, wherein glue material is between institute It states between the first eyeglass and second lens assembly.In this step, first lens assembly is supported using cured glue material With second lens assembly so that the relative position of first lens assembly and second lens assembly is maintained at and passes through Relative position determined by active calibration.

It further, in one embodiment, can be before executing step 30, in first lens assembly and described Gap between two lens assemblies carries out glue material coating, executes step 30 again then to adjust and determine the first lens assembly and the The relative position of two lens assemblies.After determining the relative position, executing step 40 solidifies glue material, to utilize cured glue Material supports first lens assembly and second lens assembly, and then makes first lens assembly and second camera lens The relative position of component is maintained at through relative position determined by active calibration.And in another embodiment, it can first hold Row step 30 is to adjust and determine the relative position of the first lens assembly and the second lens assembly.After determining the relative position, Temporarily the first lens assembly (or second lens assembly) is removed, then carries out glue material coating, then based on identified opposite position It sets and is moved back to the first lens assembly (or second lens assembly).Final curing glue material makes first lens assembly and described The relative position of two lens assemblies is maintained at through relative position determined by active calibration.

Further, in one embodiment, in the step 30, make first lens assembly and second camera lens The first gap and the second gap are formed between component, wherein the second gap described in first gap-ratio is close to the optical lens Outside.

Further, Figure 11 shows the flow chart of step 40 in the utility model one embodiment.It is described with reference to Figure 11 Step 40 includes sub-step:

Step 401, the first glue material and the second glue material are respectively coated on first gap and second gap, wherein The bonding force of second glue material is greater than the bonding force of first glue material.

Step 402, solidify first glue material so that first lens assembly and second lens assembly pre-fix.

Step 403, solidify second glue material so that a lens assembly and second lens assembly permanently combine. Wherein, the first glue material can be UV glue, and the second glue material can be hot-setting adhesive.

In step 402, when being bonded the first lens barrel and the second camera lens using the first glue material, glue material solidifies deformation to mirror Cylinder formation active force is smaller, to reduce the deformation of lens barrel.And in step 403, since the first eyeglass is directly with corresponding Two lens assemblies bonding can avoid the first gap and the second gap caused by the first lens barrel and due to the first eyeglass assembling tolerance and increase Greatly, and then avoid glue material thickness excessive.If glue material thickness is excessive, the deformation of generation be will lead into lens barrel when glue material solidifies and become It is different, and then the first eyeglass or the second eyeglass is caused to misplace.Therefore, the present embodiment can avoid because of the first lens barrel and/or the second lens barrel Lens position caused by deformation variation, ensure that be formed by after solidifying it is permanent between the first eyeglass and the second eyeglass Relative position between relative position and the first lens assembly and the second lens assembly determined by active calibration is consistent, and then really It protects image quality and reaches expected.

Further, in one embodiment, described to first lens assembly and second lens assembly It carries out in pre-determined bit step (step 30), it is closest at least one described first eyeglass to be formed by first gap Between the non-optical face of one the first eyeglass of second lens assembly and the end face of second lens barrel.Also, it is formed Second gap be located at described first eyeglass closest to second lens assembly and it is described at least one the Closest between second eyeglass of first lens assembly in two eyeglasses.

In previous embodiment, UV glue and hot-setting adhesive has been respectively adopted in the first glue material and the second glue material.In general, hot-setting adhesive It can provide the bonding force greater than UV glue after solidification, so that the bonding force that second glue material provides is greater than first glue material The bonding force of offer.UV glue is coated in positioned at first gap of outside (i.e. apart from the farther away side of optical axis), and hot-setting adhesive is coated in Positioned at the second gap of inside (i.e. apart from the closer side of optical axis).UV glue is solidified by the direct irradiation of light, to One lens assembly and the second lens assembly are pre-fixed according to relative position determined by active calibration.Then again to pre-fixing Optical lens afterwards is heated, so that the thermosetting adhesive curing of its second gap location, thus enhance the structural strength of optical lens, Improve the reliability of optical lens.

Further, one embodiment according to the present utility model additionally provides a kind of camera module assemble method, packet It includes: using the optical lens assemble method assembling optical lens of aforementioned any embodiment, then utilizing assembled optical lens Make camera module.

Further, Figure 12 shows the process of the camera module assemble method of another embodiment of the utility model Figure, this method comprises:

Step 100, prepare the first lens assembly and camera module component, wherein the camera module component includes being incorporated in The second lens assembly and photosensitive mould group together, wherein first lens assembly includes at least one first eyeglass, and work as Relative position between these first eyeglasses are kept by being fitted into mutually when the number of first eyeglass is multiple is solid Fixed, the second lens assembly includes the second lens barrel and at least one second eyeglass in second lens barrel.In this step, it is Glue is set to be exposed solidification as far as possible, the first lens assembly prepared may include the first lens barrel, the cylinder of the first lens barrel Wall is thinned as far as possible or even the first lens assembly can be only made of (at eyeglass shading a piece of the first eyeglass for having done shading treatment Reason can impact imaging to avoid veiling glare).

Step 200, first lens assembly and second lens assembly are pre-positioned, make it is described at least one Second eyeglass and at least one described first eyeglass collectively form imageable optical system.

Step 300, first lens assembly and second lens assembly are adjusted and determined based on active calibration Relative position.

Step 400, first lens assembly and second lens assembly are bonded by glue material, wherein the glue material Between the first eyeglass and the second lens assembly.

As can be seen that the second lens assembly and photosensitive mould group are first assembled in one in the present embodiment compared with previous embodiment It rises and constitutes camera module component, then camera module component and the first lens assembly are assembled again, obtain complete camera module. The process that camera module component and the first lens assembly are assembled can also there are many deformations, such as can refer to previously described light Multiple embodiments of lens assembling method are learned, to realize the assembling of camera module component and the first lens assembly.

Further, active calibration described herein can be in multiple degrees of freedom to the first lens assembly and second The relative position of lens assembly is adjusted.Figure 15 a shows opposite in the active calibration in the utility model one embodiment Position regulative mode.In the regulative mode, first lens assembly (being also possible to the first eyeglass) can be relative to described Second lens assembly moves (the relative position adjustment i.e. in the embodiment has three degree of freedom) along x, y, z direction.Wherein z Direction is the direction along optical axis, and x, the direction y is the direction perpendicular to optical axis.X, the direction y is in an adjustment plane P, Two components that can be analyzed to the direction x, y are translated in adjustment plane P.

Figure 15 b shows the adjusting of the rotation in the active calibration of another embodiment of the utility model.In this embodiment, Relative position adjusts other than the three degree of freedom with Fig. 3, also adds rotary freedom, the i.e. adjusting in the direction r.This implementation In example, the adjusting in the direction r is the rotation in the adjustment plane P, i.e. the rotation around the axis perpendicular to the adjustment plane P Turn.

Further, Figure 15 c shows in the active calibration of another embodiment of the utility model and increases the direction v, w The relative position regulative mode of adjusting.Wherein, the direction v represents the rotation angle of xoz plane, and the direction w represents the rotation of yoz plane The rotation angle in angle, the direction v and the direction w can synthesize an azimuth, this azimuth represents total heeling condition.That is, Adjusted by the direction v and the direction w, adjustable first lens assembly relative to the second lens assembly lateral attitude (namely Inclination of the optical axis of first lens assembly relative to the optical axis of second lens assembly).

The adjusting of above-mentioned x, y, z, r, v, w six-freedom degree may influence the optical system image quality (such as Influence the size of resolving power).In the other embodiments of the utility model, relative position regulative mode, which can be, only to be adjusted Any one of six-freedom degree is stated, it can also wherein wantonly two or the combination of more.

Further, Figure 14 a~b shows the assembling flow path of the optical lens of the utility model one embodiment, comprising:

Step 1, the second lens assembly 200 is fixed by fixed mechanism (not shown), the clamping of intake mechanism (not shown) (or Absorption) the first eyeglass 102 of the first lens assembly 100 is pre-positioned, so that first, second lens assembly 100,200 Constitute imageable optical system.Figure 14 a shows first eyeglass and the second lens assembly of the utility model one embodiment Diagrammatic cross-section after pre-determined bit.Figure 14 c shows the enlarged diagram of the regional area in Figure 14 a, and institute amplifier section is figure The region in circle in 14a.With reference to Figure 14 a and Figure 14 c, first lens assembly 100 has at least one first to bear against face 102c, second lens assembly 200 is at least one second breasting face 201c, at least 1 first breasting face 102c and extremely A few second breasting face 201c is constituted between at least one between the first breasting face and the second breasting face Gap.The first eyeglass 102 in the present embodiment was not only played a supporting role, but also played the role of improving optical power.Described first holds It is provided by face 102c by the non-optical zones of the first eyeglass 102, described second bears against face 201c in the present embodiment preferably by second Lens barrel 201 provides.

Step 2: making the second breasting face of relatively described second lens assembly of first lens assembly by absorbing mechanism Active accommodation is carried out, the active accommodation includes shooting to an object of reference, preferably target, and is obtained from image information Correcting value is taken, correcting value is preferably MTF value, it is also possible to SFR or Tv Line value, after obtaining correlation-corrected amount, the intake The position of first, second lens assembly described in institutional adjustment is to improve the optical system, the reference standard of specific optical system Have including the optical system after improving and be reduced aberration compared to the optical system not being adjusted, improves resolving power Performance, optical system improve index can also be it is set on demand.It is pre-positioned beginning step as subsequent process flow, the One, the design size in gap is generally deferred to when the second lens assembly is pre-positioned.Figure 14 b shows the utility model one embodiment The first eyeglass and the second lens assembly active calibration after positional relationship diagrammatic cross-section.Figure 14 d is shown in Figure 14 b The enlarged diagram of regional area, institute amplifier section are the region in the circle in Figure 14 b.With reference to Figure 14 b and 14d, by master Dynamic calibration, the axis of the first eyeglass 102 and the angle of the axis of the second lens assembly 200 can be not zero, and first bear against at this time It is not parallel that face 102c and second bears against face 201c.

In one embodiment, carry out second lens assembly relative to the first breasting face by absorbing mechanism Active accommodation, the active accommodation include the first breasting face and the second breasting face with respect to X-axis and/or Y-axis and/or Z-direction Adjustment, so that the first breasting face and the second breasting face relative position change, so that described first bears against face and described Second breasting face has angle, and in general, the angle when size and pre-determined bit of the angle adjusted is inconsistent.The angle Change the size in gap when being pre-positioned, it is thus possible to the gap adjusted and design gaps size be caused to have certain mistake Difference.It is upper it is found that with reference to actual test by scheming, since the first lens assembly and the second lens assembly are due to assembling, when production Error causes the consistency of the optical system of the first, second lens assembly not high, has occurred after being adjusted compared in step 1 Pre-determined bit variation the case where.

In another embodiment, make the first eyeglass 102 relative to second lens assembly 200 by absorbing mechanism Relative position is adjusted, and the adjustment to relative position includes: by adjusting the axis of first lens assembly relative to institute The angle for stating the axis of the second lens assembly keeps first lens assembly flat along adjustment relative to second lens assembly Face is mobile, and moves first lens assembly along the direction perpendicular to adjustment plane relative to second lens assembly It is dynamic, so that the actual measurement resolving power (such as mtf value, SFR value or Tv Line value) of the optical system imaging be made to be promoted.Wherein, institute Stating along adjustment planar movement includes translating and/or rotating in the adjustment plane.After active calibration, the first eyeglass 102 The angle of axis and the axis of the second lens assembly 200 can be not zero.The axis of second lens assembly 200 can use second The axis of lens barrel 201 or the second eyeglass 202 represents.

Step 3: after identified gap is recorded after adjustment, mobile first lens assembly 100 of intake mechanism leaves second Lens assembly bears against face 201c with exposure described second.It is born against second and carries out dispensing processing on the 201c of face, then by described Position of intake mechanism when first lens assembly 100 being made to return back to record, then to solidify glue material described to support and fix First lens assembly and second lens assembly.Figure 14 e, which is shown, increases the first eyeglass and the second mirror on the basis of Figure 14 d The enlarged diagram of the regional area of the dispensing position of glue material between cylinder.Wherein with " 2. " having marked position for dispensing glue in this step It sets.It is noted that the light shielding part in the present embodiment can be using painting due to the lens barrel for eliminating the first lens assembly Black processing can largely reduce the size of the first lens assembly, while glue material is fully between the first eyeglass and second Between lens assembly, avoids and made a variation by glue with moving lens barrel variation, lens barrel variation drives the chain reaction of eyeglass variation.

Above description is only the better embodiment of the application and the explanation to institute's application technology principle.Art technology Personnel should be appreciated that utility model range involved in the application, however it is not limited to which the specific combination of above-mentioned technical characteristic forms Technical solution, while should also cover do not depart from the utility model design in the case where, by above-mentioned technical characteristic or its etc. The other technical solutions for carrying out any combination with feature and being formed.Such as features described above and (but being not limited to) disclosed herein Technical characteristic with similar functions is replaced mutually and the technical solution that is formed.

Claims

1. a kind of optical lens characterized by comprising

First lens assembly comprising at least one first eyeglass and positioned at the non-optical zones of at least one first eyeglass Top surface and side light shielding part；

Second lens assembly comprising the second lens barrel and at least one second eyeglass in second lens barrel, and extremely Few first eyeglass and at least one described second eyeglass collectively form imageable optical system；And

First lens assembly and second lens assembly are bonded together by glue material, and the glue material is between institute It states between the first eyeglass and second lens assembly.

2. optical lens according to claim 1, which is characterized in that near one first of second lens assembly There is the angle being not zero between the axis of eyeglass and the axis of second eyeglass near first lens assembly.

3. optical lens according to claim 1, which is characterized in that the light shielding part be the first lens barrel, described at least one A first eyeglass is mounted in first lens barrel.

4. optical lens according to claim 1, which is characterized in that the glue material is between at least one described first eyeglass In closest to second lens assembly first eyeglass and second lens barrel end face between.

5. optical lens according to claim 4, which is characterized in that the glue material is between closest second mirror Between the non-optical face of one the first eyeglass of head part and the end face of second lens barrel.

6. optical lens according to claim 1, which is characterized in that the glue material includes the first glue material and the second glue material, Second glue material at least one described first eyeglass closest to second lens assembly first eyeglass and In at least one described second eyeglass between second eyeglass of closest first lens assembly, and second glue The bonding force that material provides is greater than the bonding force that first glue material provides.

7. optical lens according to claim 6, which is characterized in that first lens assembly and second camera lens part There is the first gap and the second gap, first glue material and second glue material are respectively coated on first gap between part With second gap, and the second gap described in first gap-ratio is close to the outside of the optical lens.

8. optical lens according to claim 7, which is characterized in that the top surface of second lens barrel includes second smooth Face, first gap and second gap are respectively positioned on the bottom of the non-optical zones of second burnishing surface and first eyeglass Between face.

9. optical lens according to claim 8, which is characterized in that first gap is positioned at described described in Between one the first eyeglass of the second lens assembly and the end face of second lens barrel；And second gap is positioned at described First eyeglass and one second closest to first lens assembly closest to second lens assembly Between eyeglass.

10. optical lens according to claim 1, which is characterized in that closest to institute at least one described first eyeglass The non-optical face of first eyeglass of the second lens assembly is stated with the surface Jing Guo roughening treatment.

11. optical lens according to claim 10, which is characterized in that closest to institute at least one described second eyeglass The non-optical face of second eyeglass of the first lens assembly is stated with the surface Jing Guo roughening treatment.

12. optical lens according to claim 1, which is characterized in that the glue material is used to support and fixes described first Lens assembly and second lens assembly, so that the relative position of first lens assembly and second lens assembly is protected It holds by relative position determined by active calibration.

13. optical lens according to claim 7, which is characterized in that first glue material is the glue material by photocuring.

14. optical lens according to claim 7, which is characterized in that second glue material is solid by heat cure, moisture The glue material of change, anaerobic curing or oxidative cure.

15. optical lens according to claim 7, which is characterized in that first glue material is UV glue or UV hot-setting adhesive.

16. optical lens according to claim 7, which is characterized in that second glue material is hot-setting adhesive or UV hot-setting adhesive.

17. optical lens according to claim 7, which is characterized in that first glue material and second glue material are in liquid It is same material when state, and first glue material and second glue material are formed after hardening with diverse microcosmic structure not Same material, so that the bonding force that second glue material provides after solidifying is greater than the bonding force provided after first glue material solidifies.

18. optical lens according to claim 17, which is characterized in that first glue material and second glue material are UV hot-setting adhesive.

19. optical lens according to claim 7, which is characterized in that first glue material and second glue material are each other It does not contact.

20. optical lens according to claim 7, which is characterized in that first gap is along the optical lens Optical axis direction on size be 30-100 μm.

21. optical lens according to claim 7, which is characterized in that second gap is along the optical lens Optical axis direction on size be 30-100 μm.

22. optical lens according to claim 7, which is characterized in that second gap and first gap are on edge The difference of size on the optical axis direction of the optical lens be less than threshold value.

23. optical lens according to claim 7, which is characterized in that second gap has towards the optical frames Second opening of the optical axis of head, the size of second opening is greater than second gap on the direction along the optical axis Average-size.

24. optical lens according to claim 7, which is characterized in that first gap has towards the optical frames First opening in the outside of head, the size of first opening is greater than described on the direction of the optical axis along the optical lens The average-size in the first gap.

25. optical lens according to claim 1, which is characterized in that first eyeglass is more close than second eyeglass The front end of the optical lens.

26. optical lens according to claim 9, which is characterized in that closest second lens assembly One the first eyeglass has first boss protrude towards second lens assembly, and second gap is positioned at described the Between the non-optical face of one the second eyeglass of one boss and closest first lens assembly.

27. optical lens according to claim 26, which is characterized in that closest first lens assembly The non-optical face of one the second eyeglass has the first groove, and second gap is located at the first boss and first groove Between.

28. optical lens according to claim 27, which is characterized in that the first boss in bottom view in a ring, And first groove is in a top view in a ring.

29. optical lens according to claim 26, which is characterized in that closest second lens assembly One the first eyeglass has the multiple first boss protruded towards second lens assembly, and multiple the described in bottom view One boss is distributed on a circle；And the end face of second lens assembly has for accommodating the multiple first boss Multiple first grooves, second gap is between the multiple first boss and the multiple first groove.

30. optical lens according to claim 29, which is characterized in that the side wall of the multiple first groove is by described Two lens barrels are formed, and the bottom surface of the multiple first groove is by second eyeglass closest to first lens assembly Non-optical face formed.

31. optical lens according to claim 9, which is characterized in that the end face of second lens barrel has described in The second boss of first lens assembly, and the non-optical face of first eyeglass closest to second lens assembly With the second groove, second gap is between the second boss and second groove.

32. a kind of camera module, which is characterized in that including optical lens described in any one of claim 1-31.