CN208432776U

CN208432776U - Optical lens and camera module

Info

Publication number: CN208432776U
Application number: CN201820629876.6U
Authority: CN
Inventors: 蒋恒
Original assignee: Ningbo Sunny Opotech Co Ltd
Current assignee: Ningbo Sunny Opotech Co Ltd
Priority date: 2018-04-28
Filing date: 2018-04-28
Publication date: 2019-01-25
Anticipated expiration: 2028-04-28

Abstract

The utility model provides a kind of optical lens, comprising: the first lens assembly；Second lens assembly, wherein having the first gap between the top surface of the structural area of second lens assembly and the bottom surface in the first structure area；And first glue material, it is located at first gap and extends outwardly along the top surface of the structural area of second lens assembly and surround the first structure area, and outwardly extending first glue material wraps up at least part of the lateral surface in the first structure area.The utility model additionally provides corresponding camera module.Can by making the first glue material wrap up the side of the first eyeglass, come promote optical lens or camera module based on active calibration actual product resolving power closer to active calibration resolving power obtained.

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 shootings 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 are that existing camera module is irreversible The development trend turned.However, to realize that high pixel, small size, the demand of three aspects of large aperture are that have in same camera shooting molding Great difficulty.For example, the increase of the compact development and Mobile phone screen accounting of mobile phone, allows interior of mobile phone to can be used in preposition camera shooting The space of mould group is smaller and smaller, and market has also been proposed higher and higher demand to the image quality of camera module.

In compact camera module (such as camera module for mobile phone) field, generally require in view of optical imaging lens The quality and the foozle during module packaging of head.Specifically, in the manufacturing process of optical imaging lens, mirror is influenced Head resolving power factor is matched from the assembly of each element and its error of assembly, the error, each eyeglass of eyeglass spacer element thickness The error of conjunction and the variation of lens materials refractive index etc..Wherein, each element and its error of assembly include each lens monomer Eccentric between optics face thickness, lens optical face rise, optical surface face type, radius of curvature, eyeglass single side and face, lens optical face is inclined The size of oblique equal error, these errors depends on mould and die accuracy and formed precision control ability.The mistake of eyeglass spacer element thickness Difference depends on the machining accuracy of element.The error of the assembly cooperation of each eyeglass depends on the dimensional tolerance and mirror that are assembled element The assembly precision of head.The introduced error of variation of lens materials refractive index then depend on material stability and batch it is consistent Property.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 numbers Increase and constantly increase.Existing resolving power solution is to carry out tolerance for the size of the element high to each relative sensitivity 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 is tight Severe, such as: part sensitivity camera lens 1um eccentricity of glasses lens can bring 9 ' image planes to tilt, and cause machining eyeglass and assembling difficulty increasing, Simultaneously because feedback cycle is long in an assembling process, cause that the Measure of Process Capability (CPK) of lens assembling is low, fluctuation is big, causes Fraction defective is high.And as described above, it is present in multiple element, each factor because the factor for influencing camera lens resolving power very more Control all there is the limit of the accuracy of manufacture, if only promoting the precision of each element merely, hoisting power is limited, promoted at This is high, and is not able to satisfy the increasing image quality demand in market.

Present applicant has proposed a kind of based on active calibration technique adjustment and determines the relative position of upper and lower sub- camera lens, so Upper and lower sub- camera lens is bonded together according to identified relative position afterwards, and then produces complete optical lens or camera shooting The assemble method of mould group.The process capability of optical lens or camera module that this solution is able to ascend mass production refers to Number (CPK)；It enables to each of material (such as sub- camera lens or photosensory assembly for assembling optical lens or camera module) The precision of a element and its requirement of assembly precision become loose, so reduce optical imaging lens and camera module integral into This；The various aberrations of camera module can be adjusted in an assembling process in real time, reduce fraction defective, reduce production cost, Promote image quality.

However, carrying out active calibration to optical system of camera lens itself is a kind of new production technology, practical volume production needs Consider the factors such as reliability, crash resistance, weatherability and the cost of manufacture of optical lens and camera module, also needs sometimes Yield it can not decline caused by survey factor in face of various.For example, in a kind of process program, in the first lens assembly and second Glue material is filled between lens assembly, so that the first lens assembly and the second lens assembly are maintained at opposite determined by active calibration Position.However practical test manufacture discovery, optical lens compared with the image quality of camera module the active calibration stage it is obtained at As quality usually deteriorates, this deterioration exceeds tolerance sometimes, causes product bad.Applicants have found that In the assembling of optical lens or camera module introduce active calibration technique after, glue material, lens barrel or eyeglass variation and it is other not Master factor may be the reason of leading to the above problem.Currently there is an urgent need to which the solution of the above problem can be overcome, so as to Further promote product yield.

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, including the first lens assembly comprising one A first eyeglass, first eyeglass have first for the first optics area of optical imagery and other than first optics area Structural area；Second lens assembly comprising the second lens barrel and at least one second eyeglass for being mounted on second lens barrel, it is described At least one second eyeglass and first eyeglass collectively form imageable optical system, and second eyeglass, which has, is used for light Study the second optics area and the second structural area other than second optics area, second structural area and second mirror of picture Cylinder constitutes the structural area of second lens assembly, and the top surface of the structural area of second lens assembly and first knot There is the first gap between the bottom surface in structure area；And first glue material, it is located at first gap and along second camera lens The top surface of the structural area of component extends outwardly and surrounds the first structure area, and the outwardly extending first glue material package At least part of the lateral surface in the first structure area.

In one embodiment, first glue material is suitable for supporting and fixing first eyeglass and second camera lens part Part, so that the relative position of first eyeglass and second lens assembly maintains opposite position determined by active calibration It sets.

In one embodiment, first glue material wraps up whole lateral surfaces in the first structure area.

In one embodiment, first glue material also covers the top surface in the first structure area.

In one embodiment, first glue material is lateral surface and top surface of the black to cover the first structure area.

In one embodiment, first lens assembly further includes the first lens barrel, and first lens barrel surrounds described the One eyeglass and the light for blocking the lateral surface in first structure area and top surface as described in extraneous directive.

In one embodiment, lateral surface and top surface and first mirror of first glue material full of first eyeglass Gap between cylinder.

In one embodiment, there is the second glue between the bottom surface of first lens barrel and the top surface of second lens barrel Material, first lens barrel are bonded in second lens barrel by second glue material.

In one embodiment, there is cavity between the lateral surface of first eyeglass and top surface and first lens barrel.

In one embodiment, first lens assembly and/or second lens assembly have by the cavity with Gas channel is escaped in external world's connection.

In one embodiment, the gas channel of escaping includes positioned at second lens barrel top surface and/or positioned at described first Escape air drain in lens barrel bottom surface.

In one embodiment, second glue material is formed in the top surface of second lens barrel with notch in a top view Annular, the notch is located at described escape at the position of air drain.

In one embodiment, the air drain of escaping includes that a ventilation pilot trench and two are located at the ventilation pilot trench two The shelves gluon slot of side, the shelves gluon slot accommodates second glue material overflowed, so that the ventilation pilot trench is not by described second Glue material blocking.

In one embodiment, one end close to first optics area of the top surface in the first structure area has excessive glue Slot.

In one embodiment, the top surface inclination in the first structure area, and the top surface in the first structure area is leaned on The one end in nearly first optics area is higher than it close to one end of the lateral surface in the first structure area.

In one embodiment, the top surface of second lens barrel is a burnishing surface, and first gap is located at described smooth Between face and the bottom surface in the first structure area, first glue material is located at first gap and smooth faces out along described Extend and surround the first structure area, and outwardly extending first glue material wraps up the lateral surface in the first structure area At least part.

Another aspect according to the present utility model additionally provides a kind of camera module comprising hereinbefore any one reality Apply optical lens described in example.

Another aspect according to the present utility model, additionally provides a kind of optical lens, and assemble method includes: to prepare each other The first lens assembly and the second lens assembly of separation, wherein first lens assembly includes first eyeglass, described the One eyeglass has the first optics area for optical imagery and the first structure area other than first optics area, second mirror Head part includes the second lens barrel and at least one second eyeglass for being mounted in second lens barrel, and second eyeglass, which has, to be used The second structural area and second structural area and institute other than the second optics area and second optics area of optical imagery State the structural area that the second lens barrel constitutes second lens assembly；To first lens assembly and second lens assembly into Row pre-determined bit, makes first eyeglass and at least one described second eyeglass collectively form imageable optical system；Based on master The dynamic relative position calibrated to adjust and determine first lens assembly and second lens assembly；And pass through the first glue Material bonds first eyeglass and second lens assembly, wherein the top surface of the structural area of second lens assembly with it is described There is the first gap, first glue material is located at first gap and along second mirror between the bottom surface in first structure area The top surface of the structural area of head part extends outwardly and surrounds the first structure area, and the outwardly extending first glue material packet It wraps up at least part of the lateral surface in the first structure area, first eyeglass and described the is made after the first glue material solidification Two lens assemblies are fixed and held at relative position determined by active calibration.

In one embodiment, described the step of passing through the first glue material bonding includes: the knot in second lens assembly First glue material of the top surface arrangement liquid in structure area；First eyeglass is moved to the top of second lens assembly, then It moves closer to second lens assembly and contacts first glue material, and by first eyeglass and second lens assembly Relative position adjust to relative position determined by active calibration, wherein the first glue material of the liquid arranged is located at least in First gap；Precuring is carried out to the first glue material；And keep the first glue material permanent cured.

In one embodiment, in the pre-cure step, in procuring process, by outside intake mechanism and/or First eyeglass and second lens assembly are maintained relative position determined by active calibration by fixed platform, pre- solid After change, first eyeglass and second lens assembly are maintained into active calibration institute really by the first glue material of precuring Fixed relative position.

In one embodiment, the pre-cure step includes the exposure-processed to first glue material.

In one embodiment, the assemble method further include: the pre-cure step and the permanent cured step it Between, around the first structure area and the first glue material paste is added in top surface, makes the first glue material package described first Whole lateral surfaces of structural area and the top surface for covering the first structure area.

In one embodiment, the permanent cured step includes: to the first glue material after precuring, the first eyeglass and The assembly of two lens assemblies is toasted, so that first glue material is permanent cured.

In one embodiment, the assemble method further include: after the permanent cured step, in first knot First glue material of around structure area and top surface addition liquid makes first glue material wrap up all outsides in the first structure area Face and the top surface for covering the first structure area；And added first glue material is solidified.

In one embodiment, in the step of first glue material is black, the first glue material of the addition liquid, make position First glue material in the top surface in the first structure area forms diaphragm.

In one embodiment, the assemble method further include: it is described addition liquid the first glue material the step of after, will First lens barrel covers on first eyeglass to form diaphragm, wherein the first lens barrel is moved to above first eyeglass, so After make first lens barrel move closer to first eyeglass and contact added by the first glue material, be full of first glue material Gap between the lateral surface of first eyeglass and top surface and first lens barrel.

In one embodiment, make the outside of itself and first eyeglass by controlling the additive amount of first glue material Design gaps between face and top surface and first lens barrel match, so that first glue material is full of the outer of first eyeglass Gap between side and top surface and first lens barrel.

In one embodiment, in the preparation process, close first optics of the top surface in the first structure area The one end in area has excessive glue groove；And it is described first lens barrel is covered in the step on first eyeglass, the excessive glue groove is held Receive first glue material of spilling.

In one embodiment, the permanent cured step includes: to the first glue material after precuring, the first eyeglass, The assembly of one lens barrel and the second lens assembly is toasted, so that first glue material is permanent cured.

In one embodiment, the assemble method further include: after the pre-cure step, in second camera lens Second glue material of the top surface arrangement liquid of the structural area of component, second glue material are centered around the periphery of first glue material；With And cover the first lens barrel on first eyeglass to form diaphragm, wherein the first lens barrel is moved on first eyeglass Then side makes first lens barrel move closer to first eyeglass and the bottom surface of first lens barrel is made to contact second glue Material.

In one embodiment, the permanent cured step includes: to the first glue material, the second glue material, after precuring The assembly of one eyeglass, the first lens barrel and the second lens assembly is toasted, so that first glue material and second glue material It is permanent cured.

In one embodiment, in the preparation process, the bottom of the top surface of second lens barrel and/or first lens barrel Face, which has, escapes air drain.

In one embodiment, in the step of the second glue material of the arrangement liquid, second glue material in a top view It is formed in the top surface of second lens barrel and has annular jaggy.

In one embodiment, in the preparation process, the top surface of second lens barrel, which has, escapes air drain；And the cloth In the step of setting the second glue material of liquid, the notch is located at described escape at the position of air drain.

In one embodiment, in the preparation process, the air drain of escaping includes a ventilation pilot trench and two difference positions Shelves gluon slot in the ventilation pilot trench two sides；And it is described arrangement liquid the second glue material the step of in, the shelves gluon slot Second glue material overflowed is accommodated, so that the ventilation pilot trench is not blocked by second glue material.

In one embodiment, the step of the first glue material of liquid is arranged in the top surface of the structural area of second lens assembly In rapid, first glue material forms annular jaggy, and the notch is suitable for evacuation and absorbs taking the photograph for first eyeglass from side Take mechanism.

In one embodiment, the step of the first glue material of liquid is arranged in the top surface of the structural area of second lens assembly In rapid, the intake mechanism is clamping jaw.

In one embodiment, in the preparation process, the top surface in the first structure area, which is that the high inside in outside is low, inclines Inclined-plane.

In one embodiment, in the preparation process, the top surface in the first structure area is equipped with annular convex platform.

In one embodiment, described to cover the first lens barrel in the step on first eyeglass, first eyeglass Optical axis and second lens assembly optical axis between included angle A, determine the first lens barrel central axes and second camera lens The included angle B of component is so that the difference of the included angle B and the included angle A is less than preset threshold value.

Another aspect according to the present utility model, additionally provides camera module, is assembled by following assemble methods: utilizing Hereinbefore optical lens assemble method described in any one embodiment assembles optical lens；And it is assembled based on the optical lens Camera module.

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

1, the utility model can be by making the first glue material (glue material of the first, second lens assembly of bonding) first mirror of package The side of piece, to promote the resolving power of optical lens (or camera module) actual product based on active calibration closer to actively Calibrate resolving power obtained.

2, in some embodiments of the utility model, light can be formed by covering the first lens barrel on the first eyeglass Door screen, and keep the appearance of optical tubes more regular and beautiful.

3, in some embodiments of the utility model, the first lens position caused by the variation of the first lens barrel can be inhibited inclined Shifting or deformation, to promote the resolving power of optical lens (or camera module) actual product based on active calibration closer to master Dynamic calibration resolving power obtained.

4, in some embodiments of the utility model, between the lateral surface of the first eyeglass and top surface and first lens barrel Gap can be filled up completely by glue material, so that will not cause the first lens deformation because of gas expansion in baking process Or displacement.

5, it in some embodiments of the utility model, can be avoided by escape hole design in baking process because of gas It expands and causes the first lens deformation or displacement.

6, in some embodiments of the utility model, can by escape air drain reduce careless manipulation and caused by picture glue fault (such as the second glue material is formed to completely enclosed annular accidentally), helps to promote yield in mass production.

7, in some embodiments of the utility model, the first glue material only can draw glue by single to wrap up the first eyeglass Side and/or the structural area top surface for covering the first eyeglass, to reduce processing step.

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 shows the diagrammatic cross-section of the optical lens of the utility model one embodiment；

Fig. 2 shows add the first glue material 300 on the basis of Fig. 1 to wrap up all outer of the first structure area 1012 Side 1014 and cover the first structure area 1012 top surface 1015 schematic diagram；

Fig. 3 is shown the intermediate of Fig. 2 is toasted after keep all first glue materials 300 permanent cured and combine together Schematic diagram；

Fig. 4 shows the diagrammatic cross-section of the optical lens of the utility model another embodiment；

Fig. 5, which is shown, adds the first glue material 300 on the basis of fig. 4 to wrap up all outer of the first structure area 1012 Side and cover the first structure area 1012 top surface schematic diagram；

Fig. 6 is shown the intermediate of Fig. 5 is toasted after keep all first glue materials 300 permanent cured and combine together Schematic diagram；

Fig. 7 shows the diagrammatic cross-section of the optical lens of the utility model another embodiment；

Fig. 8, which is shown, adds the first glue material 300 on the basis of Fig. 7 to wrap up all outer of the first structure area 1012 Side 1014 and cover the first structure area 1012 top surface 1015 schematic diagram；

Fig. 9 is shown the semi-finished product shown in Fig. 8 are toasted after keep all first glue materials 300 permanent cured and melt to be one The schematic diagram of body；

Figure 10 is shown in the utility model one embodiment in the periphery of the first glue material 300 and the first eyeglass 101 Draw the schematic diagram after glue in the top surface 1015 in first structure area 1012；

Figure 11, which is shown, is moved to 101 top of the first eyeglass for the first lens barrel 102, then makes first lens barrel 102 move closer to the schematic diagram of first eyeglass 101；

Figure 12 shows the schematic diagram that the first lens barrel 102 contacts added first glue material 300；

Figure 13 show the first glue material 300 full of first eyeglass 101 lateral surface 1014 and top surface 1015 with it is described Gap schematic diagram between first lens barrel 102；

Figure 14 shows the diagrammatic cross-section of the optical lens of the utility model further embodiment；

Figure 15 A shows the diagrammatic cross-section of the optical lens of the utility model further embodiment；

Figure 15 B shows a kind of improved first eyeglass 101；

Figure 16 shows the greenware condition completed after step S402 in the utility model one embodiment；

Figure 17 shows be exposed semi-finished product shown in Figure 16 to the first glue material in the utility model one embodiment 300 carry out the schematic diagram of precuring；

Figure 18 shows in the utility model one embodiment and draws cuing open for the second glue material 500 in the top surface of the second lens barrel 202 Face schematic diagram；

Figure 19 A shows the schematic top plan view of the top surface of illustrative second lens barrel 202；

Figure 19 B shows the partial enlargement diagram of the AA ' section in Figure 19 A；

Figure 20 A shows in the utility model one embodiment and draws the schematic diagram of glue in the top surface of the second lens barrel 202；

Figure 20 B shows the partial enlargement diagram of the AA ' section in Figure 20 A；

Figure 21 shows in the utility model one embodiment and the first lens barrel 102 is moved on first eyeglass 101 Side, then makes first lens barrel 102 move closer to the schematic diagram of first eyeglass 101；

The bottom surface that Figure 22 shows the first lens barrel 102 in the utility model one embodiment contacts added second glue material 500 schematic diagram；

Figure 23 shows the schematic diagram being exposed in the utility model one embodiment to the second glue material 500；

Figure 24 shows the greenware condition in the utility model one embodiment after the completion of precuring；

Figure 25 A shows the diagrammatic cross-section of the optical lens of the utility model further embodiment；

Figure 25 B shows the first eyeglass 101 in the utility model further embodiment；

Figure 26 shows the structural area top surface in the second lens assembly in another embodiment of the utility model and draws the The schematic diagram of one glue material；

Figure 27 shows the first glue material in the utility model one embodiment using the picture glue mode of the disconnected glue of picture；

Figure 28 shows clamping jaw arrangement corresponding with picture glue mode shown in Figure 27；

Figure 29 shows the example that the first lens barrel and the first eyeglass interfere；

Figure 30 shows by making the difference of included angle B and included angle A be less than preset threshold value and avoids the first lens barrel and first The example that eyeglass interferes；

Figure 31 shows the schematic diagram that first structure area top surface in the utility model one embodiment is arranged to inclined surface；

Figure 32 A shows relative position regulative mode in the active calibration in the utility model one embodiment；

Figure 32 B shows the adjusting of the rotation in the active calibration of another embodiment of the utility model；

Figure 32 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. 1 shows the diagrammatic cross-section of the optical lens of the utility model one embodiment.Wherein, the section be through Cross the section of the optical axis of optical lens.In the present embodiment, optical lens includes the first lens assembly 100, the second lens assembly 200 With the first glue material 300.Wherein, the first lens assembly 100 includes first eyeglass 101, and first eyeglass 101, which has, to be used for The the first optics area 1011 and the first structure area 1012 other than first optics area 1011 of optical imagery.Second lens assembly 200, including the second lens barrel 202 and it is mounted on four the second eyeglasses 201 of second lens barrel 202, four second eyeglasses 201 collectively form imageable optical system with first eyeglass 101, and second eyeglass 201, which has, is used for optical imagery The second optics area 2011 and second optics area 2011 other than the second structural area 2012,2012 He of the second structural area Second lens barrel 202 constitutes the structural area of second lens assembly 200, and the structure of second lens assembly 200 There is the first gap 400 between the top surface 2021 in area and the bottom surface 1013 in the first structure area 1012.In the present embodiment, due to Second lens barrel 202 has blocked the second structural area 2012 completely, and the top surface of the second structural area 2012 is not exposed to outside, therefore this reality Apply in example, the top surface of the structural area of second lens assembly 200 2021 is practical be exactly the second lens barrel 202 top surface (it may be noted that The top surface 2021 of the structural area of the second lens assembly 200 can be by the top surface and second of the second lens barrel 202 in other embodiments The top surface of second structural area 2012 of eyeglass 201 collectively forms).The top surface of second lens barrel 202 is a burnishing surface.It may be noted that In other embodiments, the top surface of the second lens assembly 200 can be by the top surface of the second lens barrel 202 and the top of the second structural area 2012 Face collectively forms.Referring still to Fig. 1, in the present embodiment, the first glue material 300 is located at first gap 400 and along described The top surface 2021 of the structural area of two lens assemblies 200 extends outwardly and surrounds the first structure area 1012, and extends outwardly First glue material 300 wrap up the first structure area 1012 lateral surface 1014 at least part (in the present embodiment, One glue material 300 does not wrap up whole lateral surfaces 1014 in first structure area 1012).First glue material 300 is suitable for supporting and fixing First eyeglass 101 and second lens assembly 200, so that first eyeglass 101 and second lens assembly 200 Relative position maintain relative position determined by active calibration.

Fig. 4 shows the diagrammatic cross-section of the optical lens of the utility model another embodiment.Wherein, the section is By the section of the optical axis of optical lens.In the present embodiment, first glue material 300 wraps up the complete of the first structure area 1012 Portion's lateral surface 1014.Further, Fig. 7 shows the diagrammatic cross-section of the optical lens of the utility model another embodiment. In the embodiment shown in fig. 7, first glue material 300 wraps up whole lateral surfaces 1014 in the first structure area 1012, also Cover the top surface 1015 in the first structure area 1012.It has been found that in the optical lens assembling based on active calibration technology In scheme, second mutation may occur after the completion of active calibration for the shape and position of the first eyeglass 101 and the second eyeglass 201. Specifically, second mutation for example can be in 300 solidification process of the first glue material or after being used for a long time, actual product (such as Optical lens or camera module) optical system change relative to what optical system determined by active calibration (step 30) was occurred Become.It is this to change the image quality degradation that will lead to product.Applicant have further found that being only filled with relative to the first glue material 300 Scheme between the bottom surface of the first eyeglass 101 and the top surface of the second lens assembly 200, when the first glue material 300 wraps up the first mirror When the side of piece 101, the resolving power of actual product is closer to active calibration resolving power obtained, therefore this first glue material The design of 300 package 101 sides of the first eyeglass helps to promote product yield.

Fig. 3 shows the diagrammatic cross-section of the optical lens of the utility model another embodiment.Wherein, the section is By the section of the optical axis of optical lens.In the present embodiment, first glue material 300 is black, and covers first knot The lateral surface 1014 in structure area 1012 and top surface 1015 are to form diaphragm.

Figure 14 shows the diagrammatic cross-section of the optical lens of the utility model further embodiment.Wherein, the section It is the section by the optical axis of optical lens.In the present embodiment, first lens assembly 100 further includes the first lens barrel 102, institute The first lens barrel 102 is stated to surround first eyeglass 101 and block the outside in the first structure area 1012 as described in extraneous directive The light in face 1014 and top surface 1015.Further, first glue material 300 is full of the lateral surface of first eyeglass 101 Gap between 1014 and top surface 1015 and first lens barrel 102.

Figure 15 A shows the diagrammatic cross-section of the optical lens of the utility model further embodiment.Wherein, the section It is the section by the optical axis of optical lens.The present embodiment is on the basis of embodiment illustrated in fig. 14, to its first eyeglass 101 Obtained from improving.Figure 15 B shows a kind of improved first eyeglass 101.In the present embodiment, the first eyeglass 101 The top surface 1015 in first structure area 1012 has excessive glue groove 1013, and the excessive glue groove 1013 is located at close to the first eyeglass 1011 The one end in the first optics area 1011.

Figure 25 A shows the diagrammatic cross-section of the optical lens of the utility model further embodiment.Wherein, the section It is the section by the optical axis of optical lens.In the present embodiment, optical lens includes the first lens barrel 102, first lens barrel 102 Bottom surface 1021 and second lens barrel 202 top surface 2021 between there is the second glue material 500, first lens barrel 102 passes through Second glue material 500 is bonded in second lens barrel 202.The lateral surface 1014 of first eyeglass 101 and top surface 1015 with There is cavity 1022 between first lens barrel 102.In the present embodiment, the second lens assembly 200 has the cavity 1022 What is be in communication with the outside escapes gas channel.In the present embodiment, escapes gas channel by the setting in the top surface of the second lens barrel 202 and escape air drain 600 Since formed.Figure 19 A shows the schematic top plan view of the top surface of illustrative second lens barrel 202.With reference to Figure 19 A, second The top surface of lens barrel 202, which has, escapes air drain 600.Understand for illustrative simplicity, is schematically shown only in Figure 19 A and escape air drain 600 Trend and position.The trend for escaping air drain 600 can be the fluting of the radial direction along the second lens barrel 202.Further Ground, Figure 19 B show the partial enlargement diagram of the AA ' section in Figure 19 A.With reference to Figure 19 B, the air drain 600 of escaping includes one Item ventilation pilot trench 601 and two be located at it is described ventilation 601 two sides of pilot trench gear gluon slot 602.Further, Figure 18 is shown The diagrammatic cross-section of the second glue material 500 is drawn in the top surface of the second lens barrel 202, Figure 20 A is shown in the top surface of the second lens barrel 202 Draw the schematic diagram of glue.As can be seen that the second glue material 500 is formed in the top surface of second lens barrel 202 has annular jaggy, institute It states notch and is located at described escape at the position of air drain 600.Figure 20 B shows the partial enlargement diagram of the AA ' section in Figure 20 A. The gear gluon slot 602 accommodates second glue material 500 overflowed, so that the ventilation pilot trench 601 is not by second glue material 500 blockings, to ensure 500 leaving certain gaps uncovered by the economic plan of the second glue material.In this way, cavity 1022 can pass through pilot trench of ventilating in the baking stage 601 and second the notch of glue material 500 be in communication with the outside, avoid the air in cavity 1022 from expanding and cause the first eyeglass 101 wrong Position or deformation, and then ensured the image quality of the optical lens based on active calibration.On the other hand, the above-mentioned air drain 600 escaped Design, can reduce careless manipulation and caused by the fault of picture glue (such as the second glue material 500 is formed to completely enclosed ring accidentally Shape), help to promote yield in mass production.

It may be noted that in other embodiments, escaping gas channel also can be set in first lens assembly 100, Huo Zheke To be collectively formed by first lens assembly 100 and the second lens assembly 200.Escaping gas channel may include being located at described second Escape air drain 600 and/or escape air drain 600 positioned at 102 bottom surface 1021 of the first lens barrel in 202 top surface 2021 of lens barrel.

Figure 25 B shows the first eyeglass 101 in the utility model further embodiment.In the present embodiment, figure can be used Improved first eyeglass 101 shown in 25B replaces the first eyeglass 101 in the optical lens of Fig. 3.In the present embodiment, the first mirror The top surface 1015 in the first structure area 1012 of piece 101 tilts, and the top surface 1015 in the first structure area 1012 is leaned on The one end in nearly first optics area 1011 is higher than it close to one end of the lateral surface 1014 in the first structure area 1012.When When first glue material 300 is located at the top surface 1015 in first structure area 1012 (first structure area is covered for example, by using the first glue material 300 When the design of 1012 top surface 1015), glue material meeting automatic stream cavity 1022, to avoid pollution the light of the first eyeglass 101 Cause product bad in school district.In another embodiment, the in the replacement of the first eyeglass 101 shown in Figure 15 B Figure 25 A can also be used One eyeglass 101, the optics area that can also avoid pollution the first eyeglass 101 in this way cause product bad.

On the basis of the above embodiments, further, corresponding camera module is additionally provided, which can wrap Include optical lens described in any one of above embodiments.Specifically, which may include optical lens and sense Optical assembly.Wherein optical lens can be optical lens in any of the preceding embodiments.In the present embodiment, the first glue material 300 packet The side of the first eyeglass 101 is wrapped up in, so that the practical resolving power of camera module produced is obtained closer to active calibration Resolving power helps to promote product yield.Camera module can also include motor (or other types of optical actuator), optics Camera lens may be mounted in the cylindrical carrier of motor, and the pedestal of motor is installed on the top surface of photosensory assembly.Further, photosensitive group Part for example may include wiring board, the sensitive chip for being mounted on PCB surface, form or be installed on PCB surface and surround The annular support and colour filter of sensitive chip.Annular support can form step, and colour filter is installed on the annular branch On the step of support body.The pedestal of motor is installed on the top surface of the annular support.

Further, one embodiment according to the present utility model provides a kind of optical lens assemble method, packet It includes:

Step S10, preparation process.Prepare the first lens assembly 100 and the second lens assembly 200 being separated from each other, it is described First lens assembly 100 includes first eyeglass 101, and first eyeglass 101 has the first optics for optical imagery First structure area 1012 other than area 1011 and first optics area 1011, second lens assembly 200 include the second mirror Cylinder 202 and four the second eyeglasses 201 being mounted in second lens barrel 202, four second eyeglasses 201, which have, is used for light Study the second optics area 2011 of picture and the second structural area 2012 and second knot other than second optics area 2011 Structure area 2012 and second lens barrel 202 constitute the structural area of second lens assembly 200.

Step S20 is pre-positioned step.Second lens assembly, 200 second lens assembly, 200 second lens assembly 200 second Lens assembly 200 is pre-positioned first lens assembly 100 and second lens assembly 200, makes first mirror Piece 101 and four second eyeglasses 201 collectively form imageable optical system.

Step S30, active calibration step.First lens assembly 100 and institute are adjusted and determined based on active calibration State the relative position of the second lens assembly 200.

Step S40, adhesion step.First eyeglass 101 and second lens assembly are bonded by the first glue material 300 200, wherein having the between the top surface of the structural area of second lens assembly 200 and the bottom surface in the first structure area 1012 One gap 400, first glue material 300 are located at first gap 400 and along the structural areas of second lens assembly 200 Top surface extend outwardly and surround the first structure area 1012, and outwardly extending first glue material 300 wrap up it is described At least part of the lateral surface in first structure area 1012, first glue material 300 make first eyeglass 101 and institute after solidifying It states the second lens assembly 200 and is fixed and held at relative position determined by active calibration.Fig. 1 shows the utility model one The diagrammatic cross-section of the optical lens of embodiment, it can be seen that first glue material 300 does not wrap up first in embodiment shown in FIG. 1 Whole lateral surfaces 1014 of structural area 1012.The section that Fig. 4 shows the optical lens of the utility model another embodiment shows It is intended to, whole lateral surfaces 1014 in the first glue material 300 package first structure area 1012 in embodiment shown in Fig. 4.Fig. 7 is shown The diagrammatic cross-section of the optical lens of another embodiment of the utility model, the first glue material 300 package in embodiment shown in Fig. 7 Whole lateral surfaces 1014 in first structure area 1012 and cover first structure area 1012 top surface 1015 a part.

It has been found that in the optical lens assembling scheme based on active calibration technology, the first eyeglass 101 and the second mirror Second mutation may occur after the completion of active calibration for the shape of piece 201 and position.Specifically, second mutation for example can be In first glue material, 300 solidification process or after being used for a long time, the optical system of actual product (such as optical lens or camera module) The change that system is occurred relative to optical system determined by active calibration (step 30).It is this to change the imaging that will lead to product Quality deterioration.Applicant have further found that being only filled with bottom surface and the second mirror in the first eyeglass 101 relative to the first glue material 300 Scheme between the top surface of head part 200, when the first glue material 300 wraps up the side of the first eyeglass 101, the solution picture of actual product Power is closer to active calibration resolving power obtained, therefore this first glue material 300 wraps up the design of 101 side of the first eyeglass Help to promote product yield.

Further, in one embodiment, the adhesion step (step S40) includes:

S401 draws glue step.The first glue of liquid is arranged in the top surface 2021 of the structural area of second lens assembly 200 Material 300.

S402, the positioning step based on active calibration result.First eyeglass 101 is moved to second camera lens part Then the top of part 200 moves closer to second lens assembly 200 and contacts first glue material 300, and by described first The relative position of eyeglass 101 and second lens assembly 200 is adjusted to relative position determined by active calibration, wherein institute First glue material 300 of the liquid of arrangement is located at least in first gap 400.

S403, pre-cure step.Precuring is carried out to the first glue material 300 after the completion of S402.In procuring process, rely on It absorbs mechanism and/or fixed platform and first eyeglass 101 is maintained into active calibration with second lens assembly 200 in outside Identified relative position.Such as external intake mechanism (such as fixture) absorbs the first eyeglass 101, and fixed platform fixes second Lens assembly 200.(such as six axis are adjusted) can be adjusted in outside intake mechanism in multiple freedom degrees.After precuring, First eyeglass 101 is then maintained into active calibration with second lens assembly 200 by the first glue material 300 of precuring Identified relative position.Further, in one embodiment, the pre-cure step can be to first glue material 300 exposure-processed.

S404, permanent cured step.Keep the first glue material 300 permanent cured, available optical lens finished product.In a reality It applies in example, it is described permanent cured to can be to the first glue material 300, the first eyeglass 101 and the second lens assembly 200 after precuring Assembly toasted so that first glue material 300 is permanent cured.

It may be noted that in one embodiment, step S401 and the sequence of step S30 can be interchanged, and step S30 can be with Merge execution with step S402.

Further, in one embodiment, in step S402, the first glue material 300 of the liquid arranged can only position In first gap 400.It, can be in the peripheral annex solution again of the first glue material 300 of precuring between step S403 and S404 First glue material 300 of state, so that the first structure area 1012 of the first eyeglass 101 is wrapped up by the first glue material 300.The package can be 1012 side of first structure area is also possible to 1012 side of first structure area as illustrated in fig. 4 by portion envelops as illustrated in fig. 1 It is all wrapped up, can also be that 1012 side of first structure area as illustrated in fig. 5 is all wrapped up and first structure area 1012 is pushed up Face is capped.Finally, executing step S404, keep the first glue material 300 permanent cured, available optical lens finished product.

It further, in one embodiment, can be to make the first glue material 300 work on the basis of embodiment shown in Fig. 1 For the optical lens of diaphragm comprising: added on the basis of Fig. 1 the first glue material 300 (the first glue material 300 can be black) with It wraps up whole lateral surfaces in the first structure area 1012 and covers whole top surfaces in the first structure area 1012；And it carries out Make all first glue materials 300 permanent cured after baking and combine together, to obtain optical frames of first glue material 300 as diaphragm Head.This scheme helps to reduce the veiling glare of optical lens.Fig. 2 and Fig. 3 show make on the basis of embodiment shown in Fig. 1 Process of first glue material 300 as the optical lens of diaphragm.Wherein, Fig. 2 shows the first glue material is added on the basis of Fig. 1 300 to wrap up whole lateral surfaces 1014 in the first structure area 1012 and cover the top surface 1015 in the first structure area 1012 Schematic diagram.Wherein, the first glue material 300 can be black.And added first glue material 300 covers first structure area 1012 whole top surfaces 1015, to form diaphragm.Fig. 3 is shown the intermediate of Fig. 2 is toasted after make all first glue materials The 300 permanent cured and schematic diagrames that combine together.

Further, in another embodiment, the first glue material 300 can be made on the basis of the embodiment shown in fig. 4 Optical lens as diaphragm comprising: add the first glue material 300 on the basis of fig. 4 (the first glue material 300 can be black) To wrap up whole lateral surfaces in the first structure area 1012 and cover whole top surfaces in the first structure area 1012；And into Keep all first glue materials 300 permanent cured after row baking and combine together, to obtain optics of first glue material 300 as diaphragm Camera lens.This scheme helps to reduce the veiling glare of optical lens.Fig. 5 and Fig. 6 is shown to be made on the basis of the embodiment shown in fig. 4 Make process of first glue material 300 as the optical lens of diaphragm.Wherein, Fig. 5 is shown adds the first glue material on the basis of fig. 4 300 with wrap up whole lateral surfaces in the first structure area 1012 and cover the first structure area 1012 top surface signal Figure.Wherein, the first glue material 300 can be black.And added first glue material 300 covers the complete of first structure area 1012 Portion top surface 1015, to form diaphragm.Fig. 6 is shown the intermediate of Fig. 5 is toasted after keep all first glue materials 300 permanently solid The schematic diagram changed and combined together.

Further, In yet another embodiment, the first glue material 300 can be made on the basis of the embodiment shown in fig. 7 Optical lens as diaphragm comprising: the first glue material 300 is added on the basis of Fig. 7 (the first glue material 300 can be black) To wrap up whole lateral surfaces in the first structure area 1012 and cover whole top surfaces 1015 in the first structure area 1012；With And make all first glue materials 300 permanent cured after being toasted and combine together, to obtain the first glue material 300 as diaphragm Optical lens.This scheme helps to reduce the veiling glare of optical lens.Fig. 8 and Fig. 9 shows the basis of embodiment shown in Fig. 7 The process of optical lens of the first glue material 300 of upper production as diaphragm.Wherein, Fig. 8, which is shown, adds first on the basis of Fig. 7 Glue material 300 is to wrap up whole lateral surfaces 1014 in the first structure area 1012 and cover the top surface in the first structure area 1012 1015 schematic diagram.Wherein, the first glue material 300 can be black.And added first glue material 300 covers first structure Whole top surfaces 1015 in area 1012, to form diaphragm.Fig. 9 is shown the semi-finished product shown in Fig. 8 are toasted after make all One glue material 300 is permanent cured and the schematic diagram that combines together.

Hereinbefore, basic Fig. 1, Fig. 4, shown in Fig. 7 as the first glue material 300 of production as the optical lens of diaphragm Optical lens can be the finished product that permanent cured step (S404) is completed；It is also possible to be completed pre-cure step but not complete At the semi-finished product of permanent cured step (S404), can be completed all after adding the first glue material 300 by once toasting at this time First glue material 300 it is permanent cured.

Further, one embodiment according to the present utility model additionally provides a kind of optics with the first lens barrel 102 The production method of camera lens.Increasing by the first lens barrel 102 can make the shape of optical lens more regular and beautiful, while can also be to One eyeglass 101 forms protection, reduces the extraneous influence hit to optical system.First lens barrel 102 is also used as diaphragm, thus Reduce influence of the external stray light to image quality.In the present embodiment, the production method of optical lens includes:

Step S100 makes the optical lens semi-finished product based on active calibration based on step S10-S40, then in the first glue Draw glue, such as the first glue of addition liquid in the top surface 1015 in the periphery of material 300 and the first structure area 1012 of the first eyeglass 101 Material 300.Figure 10 shows in the periphery of the first glue material 300 and the first eyeglass 101 in the utility model one embodiment Draw the schematic diagram after glue in the top surface 1015 of one structural area 1012.In this step, step S10-S40 production semi-finished product can be through Permanent cured process (such as baking) is crossed, is also possible to by precuring process (such as exposure) but without permanent cured work Sequence.

Step S200 covers the first lens barrel 102 on first eyeglass 101 to form diaphragm, wherein by the first lens barrel 102 are moved to 101 top of the first eyeglass, so that first lens barrel 102 is moved closer to first eyeglass 101 and connect First glue material 300 added by touching makes lateral surface and top surface and institute of first glue material 300 full of first eyeglass 101 State the gap between the first lens barrel 102.Wherein, Figure 11, which is shown, is moved to the first lens barrel 102 on first eyeglass 101 Side, then makes first lens barrel 102 move closer to the schematic diagram of first eyeglass 101.Figure 12 shows the first lens barrel 102 The schematic diagram of first glue material 300 added by contacting.Then, the first lens barrel 102 continues to squeeze close to the first eyeglass 101 and be added Liquid the first glue material 300, make the first glue material 300 full of first eyeglass 101 lateral surface 1014 and top surface 1015 with Gap between first lens barrel 102.Figure 13 shows the lateral surface that the first glue material 300 is full of first eyeglass 101 Gap schematic diagram between 1014 and top surface 1015 and first lens barrel 102.

Further, in one embodiment, itself and institute can be made by controlling the additive amount of first glue material 300 The design gaps stated between the lateral surface 1014 of the first eyeglass 101 and top surface 1015 and first lens barrel 102 match, so that institute The first glue material 300 is stated full of between the lateral surface 1014 and top surface 1015 and first lens barrel 102 of first eyeglass 101 Gap.

After the completion of step S300, step S200, to the first glue material 300, the first eyeglass 101, the first lens barrel 102 and the second mirror The assembly of head part 200 is toasted, so that all the first glue material 300 is permanent cured, obtains the light with the first lens barrel 102 Learn camera lens finished product.As shown in figure 14, in one embodiment of the utility model, all the first glue materials 300 are permanent cured melt after It is integrated.

In the present embodiment, due between the lateral surface 1014 of the first eyeglass 101 and top surface 1015 and first lens barrel 102 Gap be filled up completely by glue material, therefore the first eyeglass 101 will not be caused to deform because of gas expansion in baking process Or displacement.It is noted that being difficult glue material additive amount and design gaps in the production for accomplishing each product during practical volume production Therefore equal perfect matching may have small air gap in the first glue material 300 and between the first lens barrel 102.But this gas Gap is usually very small, and the first glue material 300 is located at it that buffer function, therefore this can be played between the first eyeglass 101 The air gap left due to glue material additive amount matches imperfect with design gaps will not influence image quality, and the method for the present embodiment is still It so can have preferable yield.

Further, another embodiment according to the present utility model additionally provides another light with the first lens barrel 102 The production method for learning camera lens.The shape of optical lens can be made more regular and beautiful as it was noted above, increasing by the first lens barrel 102 It sees, while the first eyeglass 101 can also be formed and be protected, reduce the extraneous influence hit to optical system.First lens barrel 102 may be used also Using as diaphragm, to reduce influence of the external stray light to image quality.In the present embodiment, the production method packet of optical lens It includes:

Step S1000 makes the optical lens semi-finished product based on active calibration based on step S10-S40.In step S40, Step S401 to step S403 can be only executed, can also all be executed with step S401 to step S404.Figure 16 shows this reality With the greenware condition after completion step S402 in novel one embodiment.Figure 17 shows in the utility model one embodiment Semi-finished product shown in Figure 16 are exposed to carry out the schematic diagram of precuring to the first glue material 300.In Figure 17, arrow shows use In the light for exposing the first glue material 300.

Step S2000 arranges the second glue material of liquid in the top surface 2021 of the structural area of second lens assembly 200 500, second glue material 500 is centered around the periphery of first glue material 300.Second glue material 500 can be with the first of precuring Glue material 300 contacts, and can also separate with the first glue material 300 of precuring.In the present embodiment, the second glue material 500 and precuring The contact of first glue material 300, it is preferable that the second glue material 500 can use the glue material with 300 same material of the first glue material, to avoid Chemically reacting and glue material being caused to make a variation occur in doping mutually.

Further, Figure 19 A shows the schematic top plan view of the top surface of illustrative second lens barrel 202.With reference to figure 19A, the top surface of the second lens barrel 202, which has, escapes air drain 600.Understand for illustrative simplicity, is schematically shown only in Figure 19 A and escape gas The trend of slot 600 and position.The trend for escaping air drain 600 can be the fluting of the radial direction along the second lens barrel 202. Further, Figure 19 B shows the partial enlargement diagram of the AA ' section in Figure 19 A.It is described to escape air drain 600 with reference to Figure 19 B The gear gluon slot 602 of ventilation 601 two sides of pilot trench is located at including a ventilation pilot trench 601 and two.Further, scheme 20A, which is shown, draws the schematic diagram of glue in the top surface of the second lens barrel 202.As can be seen that the second glue material 500 is in second lens barrel 202 top surface, which is formed, has annular jaggy, and the notch is located at described escape at the position of air drain 600.Figure 20 B shows figure The partial enlargement diagram of AA ' section in 20A.The gear gluon slot 602 accommodates second glue material 500 overflowed, so that The ventilation pilot trench 601 is not blocked by second glue material 500, to ensure 500 leaving certain gaps uncovered by the economic plan of the second glue material.

After the completion of the picture glue of the second glue material 500, the first lens barrel 102 is covered on first eyeglass 101 by step S3000 To form diaphragm.The first lens barrel 102 is wherein moved to first eyeglass, 101 top, then make first lens barrel 102 by Gradually close to first eyeglass 101 and the bottom surface 1021 of first lens barrel 102 is made to contact second glue material 500.Wherein, scheme 21 show the first lens barrel 102 being moved to first eyeglass, 101 top, then move closer to first lens barrel 102 The schematic diagram of first eyeglass 101.The bottom surface that Figure 22 shows the first lens barrel 102 contacts added second glue material 500 Schematic diagram.Then, the first lens barrel 102 continue to make close to the first eyeglass 101 first lens barrel 102 bottom surface 1021 and liquid the Two glue materials 500 come into full contact with, and then carry out precuring to the second glue material 500 by exposure the first lens barrel 102 is fixed on the The top surface 2021 of two lens barrels 202.Figure 23 shows the schematic diagram being exposed to the second glue material 500.Arrow shows use in figure In the light for exposing the second glue material 500.Figure 24 shows the greenware condition after the completion of precuring.

Step S4000, to the first glue material 300, the second glue material 500, the first eyeglass 101, the first lens barrel 102 and the second camera lens The assembly (i.e. accomplishing product after the completion of step S3000) of component 200 is toasted, so that first glue material 300 and described Second glue material 500 is permanent cured.Finished product after the completion of baking is as shown in fig. 25 a.In this step, due to the aforementioned air drain 600 escaped Design can ensure 500 leaving certain gaps uncovered by the economic plan of the second glue material, and in baking process, cavity 1022 can pass through ventilation pilot trench 601 and the The notch of two glue materials 500 is in communication with the outside, and avoids the air in cavity 1022 from expanding and causes the dislocation of the first eyeglass 101 or shape Become, and then has ensured the image quality of the optical lens based on active calibration.Particularly, the above-mentioned design for escaping air drain 600, can be with Reduce careless manipulation and caused by picture glue fault (such as the second glue material 500 is formed to completely enclosed annular accidentally), facilitate Yield is promoted in mass production.

On the basis of the above embodiments, further, a kind of camera module assemble method utilizes institute in above-described embodiment The optical lens assemble method assembling optical lens stated；And camera module is assembled based on the optical lens.

Herein, active calibration is based on the optical system (i.e. by four the second eyeglasses 201 and first eyeglass 101 collectively form imageable optical system) the practical resolving power curve that measures of actual imaging, to the first lens assembly 100 and second the relative position of lens assembly 200 calibrated, to improve the image quality of optical lens.

Active calibration described herein can be in multiple degrees of freedom to the first lens assembly 100 and the second camera lens part The relative position of part 200 is adjusted.Figure 32 A shows relative position in the active calibration in the utility model one embodiment Regulative mode.In the regulative mode, first lens assembly 100 (being also possible to the first eyeglass 101) can be relative to institute It states the second lens assembly 200 and moves (the relative position adjustment i.e. in the embodiment has three degree of freedom) along x, y, z direction. Wherein the direction z 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 In P, two components that can be analyzed to the direction x, y are translated in adjustment plane P.

Figure 32 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 Figure 32 A, also adds rotary freedom, the i.e. adjusting in the direction r.This reality It applies in example, the adjusting in the direction r is the rotation in the adjustment plane P, i.e., around the axis perpendicular to the adjustment plane P Rotation.

Further, Figure 32 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, It is adjusted by the direction v and the direction w, lateral attitude of adjustable first lens assembly 100 relative to the second lens assembly 200 (inclination of optical axis of the optical axis of namely described first lens assembly 100 relative to second lens assembly 200).

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, in one embodiment, in active calibration step, the movement further includes in the adjustment plane Translation, i.e. movement on the direction x, y.

Further, in one embodiment, the active calibration further include: according to the actual measurement solution picture of the optical system Power adjusts and determines the angle of axis of described or the first eyeglass 101 the axis relative to second lens assembly 200, i.e., W, the adjusting on the direction v.In the optical lens or camera module assembled, the axis of first eyeglass 101 and described second It can have the angle being not zero between the axis of lens assembly 200.

Further, in one embodiment, the active calibration further include: along the side perpendicular to the adjustment plane To movement first eyeglass 101 (adjusting i.e. on the direction z), according to the actual measurement resolving power of the optical system, determine described in The relative position in the direction perpendicular to the adjustment plane between first eyeglass 101 and second lens assembly 200.

Further, in one embodiment, in the pre-determined bit step (step 20), make first eyeglass 101 There is gap between bottom surface and the top surface of second lens assembly 200；And in the adhesion step (step 40), the glue Material is arranged in the gap.

In one embodiment, the first eyeglass 101 can be formed by the chimeric multiple sub- eyeglasses for forming one mutually.This reality It applies in example, the side and top surface in the non-optical face for being not used in imaging of the first eyeglass 101 can form light shield layer.The light shield layer can To be formed by the side of the first eyeglass 101 and top surface silk-screen printing light screening material.

In one embodiment, in active calibration step, the second lens assembly 200 can be fixed, passes through fixture clamping the One eyeglass 101, under the drive for six shaft movement mechanisms being connect with fixture, mobile first eyeglass 101, to realize the first eyeglass 101 and the second above-mentioned six-freedom degree between lens assembly 200 under relative movement.Wherein, fixture can be born against or portion Divide the side for bearing against the first eyeglass 101, so that the first eyeglass 101 be picked up.

It is noted that in above-described embodiment, the eyeglass number of the first lens assembly 100 and the second lens assembly 200 can be with Adjustment as needed.Such as second lens assembly 200 number of lenses can be one, two, three or five etc..Correspondingly, entirely The eyeglass sum of optical lens also can according to need adjustment, such as the eyeglass sum of optical lens can be six, be also possible to Three, four or seven etc..

It is worth noting that, in embodiment above, the first glue material package the need to be made by way of drawing glue twice Some or all of one eyeglass side.This is because the first eyeglass need to be by institute of intake mechanism during carrying out active calibration Intake, intake mechanism can be clamping jaw.Due to needing to avoid the optical path of active calibration, clamping jaw is preferably provided in the first mirror The side of piece clamps the first eyeglass from two sides by contacting the side of the first eyeglass.Therefore first the first eyeglass bottom surface and Glue is drawn in gap between the top surface of second lens barrel (or second lens assembly), after glue material precuring, is unclamped clamping jaw, is then existed again The secondary glue of drawing in the side and top surface of first eyeglass (executes around the first structure area and/or liquid is added in top surface First glue material), solidification, to realize that the first glue material wraps up some or all of first eyeglass side.

Further, Figure 26 shows the structural area in the second lens assembly in another embodiment of the utility model Draw the schematic diagram of the first glue material in top surface.In the embodiment, by the contact point 1019 of the side 1014 of clamping jaw 900 and the first eyeglass (being referred to as contact surface) is positioned close to the position of the first eyeglass top surface 1015.First is drawn in the top surface of the second lens assembly The top surface of glue material, the first glue material of control is lower than certain altitude, during making active calibration (or clamping jaw places the first eyeglass During position determined by active calibration) clamping jaw 900 does not contact always with the first glue material 300 (such as makes active calibration During, clamping jaw is consistently higher than the top surface of the first glue material), such first glue material can both wrap up the surface of the first eyeglass (such as wrap up the side of the first eyeglass and be located at the contact point region below of clamping jaw and the first eyeglass), will not be mutual with clamping jaw Interference.Primary picture glue can be reduced simultaneously, facilitate improving production efficiency.

Another embodiment according to the present utility model additionally provides another optical lens assemble method, the embodiment In, allow the first glue material by way of drawing disconnected glue and wrap up by once drawing glue the side of the first eyeglass.Figure 27 is shown The first glue material in the utility model one embodiment is broken the picture glue mode of glue using picture.Figure 28 show with shown in Figure 27 Draw the corresponding clamping jaw arrangement of glue mode.Specifically, when the first glue material is drawn in the top surface of the second lens assembly (with reference to figure 27, as shown in the figure in the top surface of the second lens barrel 202 the first glue material 300 of picture), the first glue material 300 is endless totally-enclosed, that is, It says, the first glue material can be jagged 309 annular, and notch is adapted to clamping jaw 900, between formation can allow clamping jaw 900 to pass through Gap.(or the first eyeglass is placed into the process of position determined by active calibration by clamping jaw during active calibration in this way In), the top surface of the first glue material can be higher than the contact point of clamping jaw and the first lens side.When the bottom surface of the first eyeglass contacts first Behind the top surface of glue material, clamping jaw drives the first eyeglass to continue to move down, and the top surface of the first glue material is made to be higher than the top surface of the first eyeglass (top surface for referring to first structure area), and the first glue material for being located at the top face in first structure area flows to the top in first structure area Face, to make the top surface in the first glue material covering first structure area and wrap up the side in first structure area.Since the above process can be with It is completed by once drawing glue, therefore facilitates improving production efficiency.On the other hand, the design of the first glue material leaving certain gaps uncovered by the economic plan can also be with Escape hole is provided for subsequent baking procedure (realizing permanent cured step by baking), in order to avoid gas expansion in baking process Product caused by and is bad.

Particularly, in one embodiment, it is low can be fabricated to the high inside in outside for the first structure area top surface of the first eyeglass Inclined surface, wherein outside for close to the first eyeglass lateral surface side, inside be close to the first eyeglass the first optics area Side.Figure 31 shows the schematic diagram that first structure area top surface in the utility model one embodiment is arranged to inclined surface.This Under kind of scheme, when the top surface of the first glue material is higher than the top surface in first structure area, positioned at the of the top face in first structure area One glue material can flow along the inclined surface 1016 at the top in first structure area and cover the top surface in first structure area.Further, Annular convex platform 1017 (or gear Jiao Ba) can be set in the top surface in first structure area, pollute the first optics to avoid the first glue material Area.Wherein annular convex platform 1017 can be set at the position close to the first optics area.

Further, it is noted that the relative position of the first eyeglass and the second lens assembly determined by after active calibration Can be has the angle being not zero between the optical axis of the first eyeglass and the optical axis of the second lens assembly.If this angle mistake Greatly, then the first lens barrel may be interfered with the first eyeglass causes product bad in further the first lens barrel of installation.Figure 29 show the example that the first lens barrel and the first eyeglass interfere.In one embodiment, after active calibration step, root The included angle A between the optical axis of the first eyeglass and the optical axis of the second lens assembly is obtained according to the active calibration data recorded, is being incited somebody to action First lens barrel covers in the step on first eyeglass, according to the optical axis of the first eyeglass obtained and the second lens assembly Included angle A between optical axis determines that the included angle B between the central axes of the first lens barrel and the optical axis of the second lens assembly (such as makes to press from both sides The difference of angle B and included angle A is less than preset threshold value), product is caused to avoid the first lens barrel interference (or collision) the first eyeglass It is bad.Figure 30 shows by making the difference of included angle B and included angle A be less than preset threshold value and avoids the first lens barrel and the first eyeglass The example interfered.

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.

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 first eyeglass, first eyeglass have the first optics area for optical imagery With the first structure area other than first optics area；

Second lens assembly comprising the second lens barrel and at least one second eyeglass for being mounted on second lens barrel, it is described extremely Few second eyeglass and first eyeglass collectively form imageable optical system, and second eyeglass, which has, is used for optics The second structural area other than the second optics area and second optics area of imaging, second structural area and second lens barrel Constitute the structural area of second lens assembly, and the top surface of the structural area of second lens assembly and the first structure There is the first gap between the bottom surface in area；And

First glue material is located at first gap and extends outwardly simultaneously along the top surface of the structural area of second lens assembly The first structure area is surrounded, and outwardly extending first glue material wraps up the lateral surface in the first structure area at least A part.

2. optical lens according to claim 1, which is characterized in that first glue material is suitable for supporting and fixing described the One eyeglass and second lens assembly, so that the relative position of first eyeglass and second lens assembly maintains master It is dynamic to calibrate identified relative position.

3. optical lens according to claim 1, which is characterized in that first glue material wraps up the first structure area Whole lateral surfaces.

4. optical lens according to claim 3, which is characterized in that first glue material also covers the first structure area Top surface.

5. optical lens according to claim 4, which is characterized in that first glue material is black to cover described first The lateral surface of structural area and top surface.

6. optical lens according to claim 1, which is characterized in that first lens assembly further includes the first lens barrel, First lens barrel surrounds first eyeglass and blocks the light of the lateral surface in first structure area and top surface as described in extraneous directive Line.

7. optical lens according to claim 6, which is characterized in that first glue material is full of the outer of first eyeglass Gap between side and top surface and first lens barrel.

8. optical lens according to claim 6, which is characterized in that the bottom surface of first lens barrel and second lens barrel Top surface between there is the second glue material, first lens barrel is bonded in second lens barrel by second glue material.

9. optical lens according to claim 8, which is characterized in that the lateral surface of first eyeglass and top surface with it is described There is cavity between first lens barrel.

10. optical lens according to claim 9, which is characterized in that first lens assembly and/or second mirror Head part, which has, escapes gas channel for what the cavity was in communication with the outside.

11. optical lens according to claim 10, which is characterized in that the gas channel of escaping includes being located at second mirror Cylinder and/or escapes air drain positioned at first lens barrel bottom surface at top surface.

12. optical lens according to claim 11, which is characterized in that second glue material is described in a top view The top surface of two lens barrels, which is formed, has annular jaggy, and the notch is located at described escape at the position of air drain.

13. optical lens according to claim 12, which is characterized in that the air drain of escaping includes a ventilation pilot trench and two Item is located at the shelves gluon slot of the ventilation pilot trench two sides, and the shelves gluon slot accommodates second glue material overflowed, so that The ventilation pilot trench is not blocked by second glue material.

14. optical lens according to claim 7, which is characterized in that the top surface in the first structure area close to described The one end in the first optics area has excessive glue groove.

15. the optical lens according to any one of claim 7-13, which is characterized in that the top in the first structure area Face inclination, and the top surface in the first structure area close to first optics area one end be higher than its close to described first One end of the lateral surface of structural area.

16. optical lens according to claim 1, which is characterized in that the top surface of second lens barrel is a burnishing surface, institute The first gap is stated between the burnishing surface and the bottom surface in the first structure area, first glue material is between described first Gap and along it is described it is smooth extend outwardly and surround the first structure area, and the outwardly extending first glue material package At least part of the lateral surface in the first structure area.

17. a kind of camera module, which is characterized in that including optical lens described in any one of claim 1-16.