CN207408655U

CN207408655U - Optical lens and camera lens module

Info

Publication number: CN207408655U
Application number: CN201720693603.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Sunny Opotech Co Ltd
Current assignee: Ningbo Sunny Opotech Co Ltd
Priority date: 2017-06-14
Filing date: 2017-06-14
Publication date: 2018-05-25
Anticipated expiration: 2027-06-14

Abstract

The utility model discloses an optical lens and camera lens module, wherein, which includes one first eyeglass, one second eyeglass, a diaphragm, one the 3rd eyeglass, one the 4th eyeglass, one the 5th eyeglass and one the 6th eyeglass successively from object side to image side.6th eyeglass has negative power, and the aperture Fno of the optical lens is less than 1.9, and the optical system overall length of the optical lens is less than 4.95 millimeters, so that the optical lens has large aperture while camera lens thin type is kept.

Description

Optical lens and camera lens module

Technical field

The utility model is related to an optical lens more particularly to one to be realized while realizing and keeping camera lens thin type The optical lens of large aperture and camera lens module.

Background technology

With the development of science and technology, people are higher and higher for the image quality requirement of camera module, from million original pictures Element develops towards ten million pixel.Accordingly, as the optical lens of one of camera module indispensability core component, for its acquisition The requirement of the ability of the optical image information of measured target is also higher and higher.Only in the raw material information of measured target image It on the premise of acquisition quality height, is only possible to during subsequent image information working process, really improves measured target Resolving power quality, therefore the resolving power for improving optical lens is one of core key of imaging capability for improving camera module.

Those skilled in the art will be appreciated that, raising light can be correspondingly realized by the quantity for increasing lens in optical lens Learn the resolving power of camera lens.However, as the quantity of lens in optical lens is continuously increased, for example, reach 6 it is even more, This will necessarily cause the volume and weight of optical lens all can accordingly increase, this development trend lightening with electronic equipment instantly It runs in the opposite direction.It says to a deeper level, with the development of society, people are higher and higher to the comprehensive performance requirement of electronic equipment：Electricity Sub- equipment also needs to meet simultaneously lightening, the practicabilities such as transportability spy necessary not only for high-performance and high imaging quality Sign.In this way, during optical lens is improved, a pair of technical contradiction for needing to overcome there is：Improve the solution of optical lens As ability, it need to just increase number of lenses quantity, this volume and weight for inevitably resulting in optical lens accordingly increases, however lightening Electronic equipment require again compression optical lens volume and quality.

In addition, existing optical lens, such as mobile phone camera, mainstream lens are plastics formula lens.The technology of this field Personnel will be appreciated that, compared to plastics formula lens, the optional scope of refractive index and abbe number of glass type lens is than plastics formula lens Extensively, therefore, glass lens is for preparing lightening and optical lens with high imaging quality with natural material advantage.So And glass type lens but can not on a large scale be promoted in industrial production and practical application, one of core reasons are：It is logical The glass type lens of existing process preparation are crossed, since each glass type lens are all there are manufacturing tolerance, are caused in assembling glass type To form the assembly technology of optical lens, the assembling of glass type lens and calibration difficulty are difficult to overcome lens, especially existing Optical lens usually has multi-disc optical lens, this is undoubtedly for the assembling and calibration of glass type lens, it is proposed that higher It is required that.Excessively high packaging technology requirement leads to not glass type lens being on a large scale applied in optical lens, particularly pair In the optical lens for needing volume production.However, this technology personnel were either with or without pondering over, if there are the mode of compromise, such as only Certain a piece of lens in existing optical lens or a few are replaced with into glass lens, that is to say, that by the saturating of optical lens Mirror is arranged to the mode of plastics formula lens and glass type lens combination, mode in this way, if can be in fact now with glass While formula lens improve optical lens image quality and meet lightening require, moreover it is possible to efficiently solve the assembling of optical lens With calibration process difficulty so that the optical lens with glass type takes into account the yield of product while can be by volume production, to adapt to Instantly the demand constantly upgraded for optical lens.

In addition, nowadays large aperture and the optical lens of high pixel quality become mainstream, existing optical lens aperture is too It is small also to become problem.In conclusion for existing optical lens, there are still larger rooms for improvement, and it is constantly right to need Existing optical lens constantly upgrades improvement, could meet constantly the upgrading for electronic equipment and imaging device of people instantly Demand.

Utility model content

One goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein the optical lens High imaging capability can met, while large aperture, having both the feature of slimming.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein by described in setting First lens of optical lens are to the 6th lens and its focal power, so that the aperture Fno of the optical lens is less than 1.9, and The optical system overall length TTL of the optical lens is less than or equal to 4.95 millimeters, meets slimming design and large aperture so as to obtain Technology requirement.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein by described in setting First lens of optical lens are to the 6th lens and its focal power, so that the maximum image height Imgh of the optical lens and institute The optical system overall length TTL for stating optical lens meets relational expression：TTL/Imgh ＜ 2 so that the optical lens meet it is slim The design requirement of change.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein by described in setting First lens of optical lens to the 6th lens and its focal power so that the first lens object side to the 6th lens image side surface in Distance Td and the entrance pupil aperture of the optical system on optical axis meet relational expression：Td/EPD ＜ 2.5, so as to the optical frames Head meets lightening and large aperture technology requirement simultaneously.

Another goal of the invention of the utility model is to provide an optical lens and its camera lens module, wherein the optical frames Head includes a glass type lens and a retable material formula lens, the plastics formula lens and the glass type lens are mutually combined configuration So that the optical lens can realized using glass type lens raising optical lens image quality and meet lightening requirement While, moreover it is possible to the assembling of optical lens and calibration process difficulty are efficiently solved, so that the optical lens with glass type The yield of product is taken into account while can be by volume production, to adapt to the demand constantly upgraded for optical lens instantly.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein in the optical frames In head, first lens and second lens meet conditional relationship formula：Vd1-Vd2 ＞ 35, V2≤30 and Vd1 ＞ 50, Wherein Vd1 is the Abbe number of first lens, and Vd2 is the Abbe number of second lens, so that passing through the optical frames Head can effectively correct the system aberration of the optical lens.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein the optical lens First lens for a glass type lens, and the first Abbe number Vd1 of the glass type lens is more than 56, so as to pass through The system aberration of the optical lens can effectively be corrected by stating the first lens.

Another goal of the invention of the utility model is to provide an optical lens and camera lens module, wherein in the optical frames In head, first lens are a glass type lens, and edge the air gap between first lens and second lens EAP12 is more than 0.2 millimeter.

Another goal of the invention of the utility model is to provide an optical lens and its camera lens module, wherein described first is saturating Edge the air gap EAP12 is more than 0.2 millimeter between mirror and second lens, so as to be arranged to point when the optical lens During body formula camera lens, the boundary of the split type camera lens division can be set between first lens and second lens, So that the optical lens can realized using glass type lens raising optical lens image quality and meet lightening requirement While, moreover it is possible to it is effectively reduced the assembling of optical lens and calibration process difficulty.

Another goal of the invention of the utility model is to provide an optical lens and its camera lens module, wherein described first is saturating Microscope group is into the first lens group, and first lens group has positive light coke；It is second lens, the 3rd lens, described 4th lens, the 5th lens and the 6th lens form the second lens group, and second lens group has positive light focus Degree.

To reach more than goal of the invention, the utility model provides an optical lens, includes successively from the object side to image side：

One first lens have positive light coke；

One second lens；

One diaphragm；

One the 3rd lens；

One the 4th lens；

One the 5th lens；With

One the 6th lens have negative power；The aperture Fno of wherein described optical lens is less than 1.9, and the optical frames The optical system overall length TTL of head is less than or equal to 4.95 millimeters.

An embodiment according to the present utility model, in above-mentioned optical lens, first lens are be convex to object side curved Moon-shaped lens, object side is convex surface, and image side surface is concave surface；Second lens are the meniscus shaped lenses for being convex to object side, Object side is convex surface, and image side surface is concave surface；3rd lens are lenticular lens, and object side is convex surface, and image side surface It is convex surface；4th lens are the meniscus shaped lenses for being convex to image side, and object side is concave surface, and image side surface is convex surface；It is described 5th lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；6th lens are be convex to object side curved Moon-shaped lens, object side is convex surface, and image side surface is concave surface.

An embodiment according to the present utility model, in the optical lens, first lens to the 6th lens Meet conditional relationship formula：

TTL/Imgh ＜ 2, wherein Imgh represent the maximum image height Imgh of the optical lens, and TTL represents the optics The optical system overall length of camera lens.

Td/EPD ＜ 2.5, wherein Td be the first lens object side to the 6th lens image side surface on optical axis Distance, and EPD is the entrance pupil aperture of the optical system.

An embodiment according to the present utility model, in the optical lens, first lens and second lens Meet conditional relationship formula：Vd1-Vd2 ＞ 35, V2≤30 and Vd1 ＞ 50, wherein Vd1 are the Abbe numbers of first lens, Vd2 It is the Abbe number of second lens.

An embodiment according to the present utility model, in the optical lens, first lens are a glass type lens, And first lens Abbe number Vd1 be more than 56.

An embodiment according to the present utility model, in the optical lens, first lens are a glass type lens, And edge the air gap EAP12 is more than 0.2 millimeter between first lens and second lens.

An embodiment according to the present utility model, first lens form the first microscope group, and first microscope group has Positive light coke；Second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens group Into the second microscope group, and second microscope group has positive light coke.

Another aspect according to the present utility model, the utility model additionally provide a camera lens module, the camera lens module bag An optical lens and a photo-sensitive cell are included, the optical lens is assembled and is held in the photosensitive path of the photo-sensitive cell, and And the photo-sensitive cell is used to the optical imagery that the optical lens gathers being converted into electric signal, wherein the optical frames Head includes successively from the object side to image side：

One first lens have positive light coke；

One second lens have negative power；

One diaphragm；

One the 3rd lens have positive light coke；

One the 4th lens have negative power；

One the 5th lens have positive light coke；With

One the 6th lens have negative power；The aperture Fno of wherein described optical lens is in 1.9, and the optical lens Optical system overall length TTL be less than or equal to 4.95 millimeters.

An embodiment according to the present utility model, in the camera lens module, first lens are be convex to object side curved Moon-shaped lens, object side is convex surface, and image side surface is concave surface；Second lens are the meniscus shaped lenses for being convex to object side, Object side is convex surface, and image side surface is concave surface；3rd lens are lenticular lens, and object side is convex surface, and image side surface It is convex surface；4th lens are the meniscus shaped lenses for being convex to image side, and object side is concave surface, and image side surface is convex surface；It is described 5th lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；6th lens are be convex to object side curved Moon-shaped lens, object side is convex surface, and image side surface is concave surface.

An embodiment according to the present utility model, in the camera lens module, first lens to the 6th lens Meet conditional relationship formula：

An embodiment according to the present utility model, in the camera lens module, first lens are a glass lens, and Edge the air gap EAP12 is more than 0.2 millimeter between first lens and second lens.

The another aspect of the utility model, the utility model additionally provide an optical lens, wherein the optical lens is Split type optical lens including one first microscope group monomer and one second microscope group monomer, and passes through and assembles the first microscope group list Body and the second microscope group monomer to be molded the optical lens, wherein first microscope group include the first lens, described first Lens are a glass type lens, and first lens group has positive light coke；Second microscope group includes described second thoroughly Mirror is to the 6th lens, and second microscope group has positive light coke.

An embodiment according to the present utility model, the optical lens further include one first microscope group monomer, one second microscope group Monomer and at least one set of assembling structure, wherein the package assembly is arranged between first microscope group and second microscope group, And it is whole by the package assembly by first microscope group and second microscope group mutually to assemble to be formed the optical lens.

An embodiment according to the present utility model, the first microscope group monomer further include one first loading body, described first Lens are installed in described first and load body；The second microscope group monomer further includes one second loading body, and second lens are extremely 6th lens are sequentially installed on described second and load body, while the first loading body and the second loading body pass through The package assembly mutually assembles to be molded the optical lens.

An embodiment according to the present utility model, the second microscope group monomer further further include an at least spacer ring, institute It states spacer ring to be arranged between second lens and the 6th lens, to coordinate second lens to the 6th lens The effect for limiting passage of light is provided.

An embodiment according to the present utility model, the first microscope group monomer and the second microscope group monomer pass through active school Accurate mode assembles.

Description of the drawings

Fig. 1 is configured according to the lens of the optical lens of the utility model first embodiment.

Fig. 2 is the lens configuration of the optical lens of the utility model second embodiment.

Fig. 3 is the block diagram representation of the camera lens module provided according to one embodiment of the utility model

Fig. 4 is the schematic cross-sectional view according to the split type optical lens of the utility model embodiment.

Fig. 5 is the first microscope group monomer schematic diagram according to the split type optical lens of the utility model embodiment.

Fig. 6 is the second microscope group monomer schematic diagram according to the split type optical lens of the utility model embodiment.

Fig. 7 is the partial enlarged view of location A in Fig. 4.

Fig. 8 is the first microscope group monomer assembling process schematic diagram according to the utility model embodiment.

Fig. 9 is the second microscope group monomer assembling process schematic diagram according to the utility model embodiment.

Figure 10 is to be assembled into split type light according to the first microscope group monomer and the second microscope group monomer of the utility model embodiment Learn camera lens schematic diagram.

Specific embodiment

It is described below to disclose the utility model so that those skilled in the art can realize the utility model.It retouches below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It is retouched following The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, etc. Tongfangs The other technologies scheme of case and spirit and scope without departing from the utility model.

It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instructions such as " outer " or position close System is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description, without It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore on Term is stated it is not intended that limitation to the utility model.

It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no It is understood that as the limitation to quantity.

As shown in Figure 1, be the optical lens 10 according to one preferred embodiment of the utility model, wherein from object side to image side Sequentially, the optical lens 10 includes：One has the first lens L1 of positive light coke, and one has the second lens of negative power L2, a diaphragm, one has the 3rd lens L3 of positive light coke, and one has the 4th lens L4 of negative power, and one has positive light focus The 5th lens L5 and one of degree has the 6th lens L6 of negative power, by setting the first lens L1 to the described 6th Lens L6 and its focal power, so that the aperture Fno of the optical lens 10 is less than 1.9, and the optics of the optical lens 10 System overall length TTL is less than or equal to 4.95 millimeters.

Knowable to those skilled in the art, the aperture Fno of the provided optical lens 10 according to the present utility model Less than 1.9, so as to which according to optical imagery depth of field rule, it is background blurring to be easily achieved imageable target by the optical lens 10 Imaging effect.Meanwhile the optical system overall length TTL of the optical lens 10 is less than or equal to 4.95 millimeters, it means that the light The holding slimming of optical lens 10 requirement can also be taken into account while meeting the needs of high pixel by learning camera lens 10.This Outside, for those skilled in the art it is also to be understood that knowing, the aperture of the optical lens 10 and optical system overall length can be by adjusting described First lens L1 is obtained to the shape feature of the 6th lens L6 and mutual relative position relation, and on described The design parameter feature of first lens L1 and the 6th lens L6 are illustrated, and will specifically be explained in the description of following embodiment It states.

Preferably, in the optical lens 10 of this hair name embodiment, first lens are the bent moons for being convex to object side Shape lens, object side is convex surface, and image side surface is concave surface；Second lens are the meniscus shaped lenses for being convex to object side, object Side is convex surface, and image side surface is concave surface；3rd lens are lenticular lens, and object side is convex surface, and image side surface is Convex surface；4th lens are the meniscus shaped lenses for being convex to image side, and object side is concave surface, and image side surface is convex surface；Described Five lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；6th lens are the bent moons for being convex to object side Shape lens, object side is convex surface, and image side surface is concave surface.

Preferably, in the optical lens according to the utility model embodiment, the first lens L1 to the 6th lens L6 It is non-spherical lens.

Those skilled in the art is it is also to be understood that dawn, the other parameter of the optical lens 10 of the utility model embodiment are special Sign also can be accordingly by adjustment the first lens L1 to the opposite position between the shape of the 6th lens L6 and lens Relation is put to realize.It is noted that the it should be understood by those skilled in the art that lensed shape of institute of the optical lens 10 Relative position relation between shape and each lens is not limited to cited scope in the utility model embodiment, but excellent Selection of land can make small change within the specific limits.

Preferably, in the optical lens 10, the first lens L1 and the 6th lens L6 also meet condition pass It is formula：

(1) TTL/Imgh ＜ 2, wherein Imgh are the maximum image height Imgh of the optical lens 10, and TTL is the light Learn the optical system overall length of camera lens 10.

In this way, by meeting conditions above expression formula (1), the miniaturization of optical system can be maintained, and meets the light Learn the slimming design requirement of camera lens 10.

Preferably, in the optical lens 10, the first lens L1 to the 6th lens L6 meets conditional relationship formula：

(2) Td/EPD ＜ 2.5, wherein Td be the first lens L1 objects side to the 6th lens L6 image side surfaces in Distance on optical axis, and EPD is the entrance pupil aperture of the optical system.

In this way, by meeting conditions above expression formula (2), the light-inletting quantity of optical system can be increased and maintaining the optics The miniature requirement of camera lens 10.

Preferably, in the optical lens 10, the first lens L1 is a glass type lens, and first lens The Abbe number Vd2 of the Abbe number Vd1 of L1 and the second lens L2 meet relational expression：

(3) Vd1-Vd2 ＞ 35, Vd1 ＞ 50, and Vd2≤30.

In this way, by meeting conditions above expression formula (3), the first lens L1 and the second lens L2 can be passed through Correct the system aberration of the optical lens 10 in ground.

Preferably, in the optical lens 10, the first lens L1 is a glass type lens, and the glass type is saturating The Abbe number of mirror meets technical characteristic：

(4) Abbe number Vd1 ＞ 56.

In this way, compared to the plastic lens of the prior art, the Abbe number of the first lens L1 is more than 56, hence for institute For stating optical lens 10, the system aberration of the optical lens 10 can be effectively corrected by the first lens L1.

Preferably, in the optical lens 10, the first lens L1 is a glass type lens, and first lens Edge the air gap EAP12 meets technical characteristic between L1 and the second lens L2：

(5) EAP12 ＞ 0.2mm.

In this way, by observing conditions above expression formula (5), compared to existing optical lens, first lens Fit clearance between L1 and the second lens L2 is larger, and according to this technical characteristic, those skilled in the art should be able to Expect, when the optical lens 10 is implemented as split type optical lens, i.e. the optical lens 10 passes through at least two microscope groups When combination of monomers forms, the compounding technique of the first lens L1 and the second lens L2 are characterized as that split type optical lens carries Sufficient assembling and aligned spaces are supplied.

Roughly speaking, when the optical lens 10 for when being embodied as split type optical lens, the first lens L1 is one Glass type lens, and it is arranged to the first microscope group, wherein first microscope group has positive light coke, the second lens L2 to institute It states the 6th lens L6 and is assembled and be arranged to the second microscope group, wherein second microscope group has positive light coke.That is, in basis In the optical lens 10 of the utility model embodiment, the first lens L1 is arranged to two to the 6th lens L6 Microscope group monomer, on the particular technique feature of split type optical lens and the first lens L1 and the second lens L2 it Between edge the air gap EAP12 it is larger caused by technical advantage, by the description subsequently with respect to camera lens module 20 into one It illustrates on step ground.

It will be understood by those skilled in the art that in the tool of optical lens 10 according to the present utility model, there are two microscope group lists In the case of the configuration of body, what the EAP12 in above-mentioned condition expression formula (5) referred to is exactly the first microscope group monomer 11 and described the Edge the air gap between two microscope group monomers 12.

In the following, by refer to the attached drawing and form, describe according to the specific of the optical lens 10 of the utility model embodiment Embodiment and examples of parameters.

The lens used in embodiment have non-spherical lenses surface, and aspherical face shape is by following formula (6) table Show：

Wherein, Z (h) be it is aspherical along optical axis direction at the position of height h, away from aspheric vertex of surface apart from rise.C= 1/r, r represent the radius of curvature of lens surface, and k is circular cone coefficient, and A, B, C, D, E, F, G, H and J are high order aspheric surface coefficient, E in coefficient represents scientific notation, as e-05 represents 10^-5In addition, Nd represents refractive index, Vd represents Abbe number.

As shown in Figure 1, according to the optical lens 10 provided of the utility model first preferred embodiment, from object side Include to image side order：The first lens L1 of falcate has the first surface S2 for being convex to object side and concave towards image side the Two surface S3；The second lens L2 of falcate has and is convex to the first surface S4 of object side and concaves towards the second surface of image side S5；One diaphragm STO；Lenticular the 3rd lens L3 has the first surface S6 for being convex to object side and is convex to the second of image side Surface S7；The 4th lens L4 of falcate has and concaves towards the first surface S8 of object side and be convex to the second surface S9 of image side； Lenticular the 5th lens L5 has the first surface S10 for being convex to object side and the second surface S11 for being convex to image side；Bent moon The 6th lens L6 of shape has and is convex to the first surface S12 of object side and concaves towards the second surface S13 of image side；One plane is saturating Mirror L7 has the first surface S14 towards object side and second surface S15 and an imaging surface towards image side.

Each lens data of the optical lens 10 of the preferred embodiment is as shown in the following table 1：

【Table 1】

The first surface S2 and second surface S3, the first surface S4 of the second lens L2 of the first lens L1 and Two surface S5, the first surface S6 and second surface S7 of the 3rd lens L3, the first surface S8 of the 4th lens L4 and Second surface S9, the first surface S10 and second surface S11 of the 5th lens L5 and the first of the 6th lens L6 Circular cone coefficient k and high order aspheric surface coefficient A, B, C, D, E, F, G, H and J such as following table 2 institute of surface S12 and second surface S13 Show.

【Table 2】

Asphericity coefficient

In the optical lens 10 according to the utility model the preferred embodiment, by setting the optical lens The focal power (each lens shape and mutual relative position relation) of 10 the first lens L1 to the 6th lens L6, so that The aperture Fno of the optical lens 10 is less than 1.9, and the optical system overall length TTL of the optical lens 10 is less than or equal to 4.95 Millimeter can obtain and meet slimming design and 10 design requirement of the optical lens with large aperture.

As shown in Fig. 2, according to the optical lens 10 provided of the second preferred embodiment of the utility model, from object side Include to image side order：The first lens L1 of falcate has the first surface S2 for being convex to object side and concave towards image side the Two surface S3；The second lens L2 of falcate has and is convex to the first surface S4 of object side and concaves towards the second surface of image side S5；One diaphragm STO；Lenticular the 3rd lens L3 has the first surface S6 for being convex to object side and is convex to the second of image side Surface S7；The 4th lens L4 of falcate has and concaves towards the first surface S8 of object side and be convex to the second surface S9 of image side； Lenticular the 5th lens L5 has the first surface S10 for being convex to object side and the second surface S11 for being convex to image side；Bent moon The 6th lens L6 of shape has and is convex to the first surface S12 of object side and concaves towards the second surface S13 of image side；One plane is saturating Mirror L7 has the first surface S14 towards object side and second surface S15 and an imaging surface towards image side.

Each lens data of the optical lens 10 of the preferred embodiment is as shown in the following table 3：

【Table 3】

The first surface S2 and second surface S3, the first surface S4 of the second lens L2 of the first lens L1 and Two surface S5, the first surface S6 and second surface S7 of the 3rd lens L3, the first surface S8 of the 4th lens L4 and Second surface S9, the first surface S10 and second surface S11 of the 5th lens L5 and the first of the 6th lens L6 Circular cone coefficient k and high order aspheric surface coefficient A, B, C, D, E, F, G, H and J such as following table 4 institute of surface S12 and second surface S13 Show.

【Table 4】

In the optical lens 10 according to the utility model embodiment, by set the optical lens 10 first The focal power (each lens shape and mutual relative position relation) of lens L1 to the 6th lens L6, so that the optics The aperture Fno of camera lens 10 is less than 1.9, and the optical system overall length TTL of the optical lens 10 is less than or equal to 4.95 millimeters, can be with It obtains and meets slimming design and 10 design requirement of the optical lens with large aperture.

In the optical lens 10 of embodiment according to the present utility model, by setting the optical lens 10 The focal power (each lens shape and mutual relative position relation) of first lens L1 to the 6th lens L6, so that described The maximum image height Imgh of optical lens 10 and the optical system overall length TTL of the optical lens 10 meet relational expression：TTL/Imgh ＜ 2, so that the optical lens 10 meets the design requirement of slimming.

In the optical lens 10 provided in embodiment according to the present utility model, by setting the optical lens The focal power (each lens shape and mutual relative position relation) of 10 the first lens L1 to the 6th lens L6, so that Expire to the 6th lens L6 image side surfaces in the distance Td on optical axis and the entrance pupil aperture of the optical system the first lens L1 objects side Sufficient relational expression：Td/EPD ＜ 2.5, so as to which the optical lens 10 meets the needs of lightening and large aperture simultaneously.

In the optical lens 10 provided in embodiment according to the present utility model, the first of the optical lens 10 Lens L1 is a glass type lens, compared to plastics formula lens, the optional scope ratio modeling of refractive index and abbe number of glass type lens Material formula lens are wide.

In the optical lens 10 provided in embodiment according to the present utility model, the Abbe of the first lens L1 The Abbe number Vd2 of number Vd1 and second lens meets relational expression：Vd1-Vd2 ＞ 35, Vd1 ＞ 50, and Vd2≤30, so that The system aberration of the optical lens 10 can be corrected by obtaining the optical lens 10.

In the optical lens 10 provided in embodiment according to the present utility model, the first of the optical lens 10 Lens L1 is a glass type lens, and the first lens Abbe number Vd1 of the glass type lens is more than 56, so as to by described First lens L1 can more effectively correct the system aberration of the optical lens 10.

In the optical lens 10 provided in embodiment according to the present utility model, the first lens L1 is a glass Glass formula lens, and edge the air gap EAP12 is more than 0.2 millimeter between the first lens L1 and the second lens L2.Cause This, when the optical lens 10 is split type optical lens, i.e. the optical lens 10 passes through at least two microscope group combination of monomers Into when, the first lens L1 and the second lens L2 provide sufficiently assembling for split type optical lens and calibration is empty Between.

As shown in figure 3, according to the another aspect of the preferred embodiment in the utility model, the utility model also provides a camera lens mould Group 20, the camera lens module 20 include 10 and one photo-sensitive cell 30 of optical lens, and the optical lens 10 is assembled simultaneously The photosensitive path of the photo-sensitive cell 30 is held in, the photo-sensitive cell 30 is used to the optics for gathering the optical lens 10 Image is converted into electric signal, wherein the optical lens 10 includes successively from the object side to image side：One has the first of positive light coke Lens L1；One has the second lens L2 of negative power；One diaphragm；One has the 3rd lens L3 of positive light coke；One with negative 4th lens L4 of focal power；One has the 5th lens L5 of positive light coke；The 6th lens L6 that there is negative power with one；Its In by setting the first lens L1 of the optical lens 10 to the 6th lens L6 and its focal power so that the optical lens 10 aperture Fno is less than 1.9, and the optical system overall length TTL of the optical lens 10 is less than or equal to 4.95 millimeters.

In the camera lens module 20, first lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, And image side surface is concave surface；Second lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, and image side surface is recessed Face；3rd lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；4th lens are to be convex to The meniscus shaped lens of image side, object side is concave surface, and image side surface is convex surface；5th lens are lenticular lens, object Side is convex surface, and image side surface is convex surface；6th lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, And image side surface is concave surface.

Preferably, in the camera lens module 20, the first lens L1 be a glass type lens, the second lens L2 It is plastic lens to the 6th lens L6.

In the camera lens module 20, the first lens L1 to the 6th lens L6 meets conditional relationship formula：

(3) Vd1-Vd2 ＞ 35, Vd1 ＞ 50, and Vd2≤30, wherein Vd1 are the Abbe numbers of the first lens L1, Vd2 is institute State the Abbe number of the second lens.

(4) Vd1 ＞ 56, wherein Vd1 are the Abbe numbers of the first lens L1：

(5) 0.2 millimeter of EAP12 ＞, wherein EAP12 are edges between the first lens L1 and the second lens L2 The air gap.

Further, those skilled in the art will be appreciated that, field of optical lens belongs in high precision, high responsive type field, Small rigging error is quite deep on the image quality influence of optical lens, and often a small discrepancy leads to a great error.More specifically It says, in the prior art, typically multiple lens is gradually assembled in a lens barrel, in an assembling process inevitably, It all can there are certain errors when each lens and lens barrel assemble.Correspondingly, having assembled all lens to form optical lens Afterwards, assembling forms an accumulated error, that is, the overall package error of single optical lens between each lens entirety and lens barrel. It is possible thereby to will readily recognize that, lens numbers are more, and accumulated error is bigger, and the quality of camera lens entirety is lower, and camera lens produces Yield in the process is also lower.

In addition, for traditional optical lens, multiple lens groups are loaded on same lens barrel, the opposite position between each lens It puts and determines substantially, it is impossible to be adjusted, lens are once assembled in lens barrel, and lens quality determines that this is but also for lens barrel It is higher with the requirement on machining accuracy of lens.

In addition, in existing optical lens, all lens are usually plastics formula lens, and wherein plastics formula lens pass through note Technological forming is moulded, there is consistent form parameter, is conducive to realize the standard metaplasia of optical lens in actual production application Production, while the plastics formula lens with the parameter of consistency are more advantageous to uniformly calibrating.However, in order to further improve optical lens Image quality, while take into account the technology requirement of large aperture and slimming, introduce design of the glass type lens to optical lens In be good theory.Those skilled in the art will be appreciated that, although compared to plastic lens, glass type lens are light for preparing Thinning and optical lens with high imaging quality is with inherent advantage.Specifically, first, glass type lens are with higher Refractive index, under equal diopter, the index of refraction in lens is higher, and lens curvature is smaller, correspondingly, compared to plastic lens, glass Formula lens have thinner thickness；Second, most of plastic lens compare glass type lens achromatic bigger under identical refractive index. However, in technique of the assembling glass type lens to prepare optical lens, due to each glass type lens of prior art preparation Form parameter is different, causes the assembling of glass type lens and calibration difficulty high, inefficiency.Therefore, glass type optical lens Although image quality is more excellent, build is also more thinned, expensive, and the market price is high, and ordinary consumer is difficult to undertake, this nothing It doubts and hampers application of the glass type lens in field of optical lens.

It's also worth mentioning that the lens and lens of optical lens and the assembled relation of lens barrel directly affect optical lens Quality, and for camera lens module, be particularly applied to the camera lens module of some smart machines, such as smart mobile phone, size phase To smaller, therefore how existing device requirement is combined, make full use of the structure of optical lens, study suitable for production application Optical lens be also aspect needed to be considered.

In view of the above-mentioned problems, the utility model embodiment provides the split-type design pattern of the optical lens 10, i.e. The optical lens 10 is assembled by multiple microscope group monomers and formed, for accordingly for each microscope group monomer, number of lenses It measures less, it is ensured that the assembly error split type optical frames that is smaller, but being made of microscope group monomer of each microscope group monomer The lens sum of head is more, therefore can provide higher pixel, and accumulated error is smaller.

Further, due in the preferred embodiment of the utility model, the first lens L1 is by be arranged to one Glass type lens, therefore in actual technique application, the form parameter of each first lens L1 is different, so as to preferably The first lens L1 in the preferred embodiment of the utility model, individually can be arranged to one first microscope group monomer 11 by ground, The first lens L1 to the 6th lens L6 is separately arranged to one second microscope group monomer 12, to pass through the first microscope group list 11 and second microscope group monomer 12 of body composition is molded the optical lens 10.Separately it is noted that preferably real in the utility model In applying in example, edge the air gap EAP12 is set more than 0.2 milli between the first lens L1 and the second lens L2 Rice, thus compared to existing optical lens, the fit clearance between the first lens L1 and the second lens L2 is larger, According to this technical characteristic, those skilled in the art should be able to expect, in the 10 split-type design pattern of optical lens, The first lens L1 is individually set into a microscope group monomer, be aligned in described the with being conducive to the first microscope group monomer 11 calibration Two microscope group monomers 12

It is noted that in other embodiments of the utility model, the optical lens 10 may include more Microscope group monomer, for example, the optical lens 10 may include three microscope group monomers, wherein the first lens L1 is arranged to one First microscope group monomer 11, the second lens L2 to the 3rd lens L3 are arranged to one second microscope group monomer 12 and described One the 3rd microscope group monomer is set in 4th lens L4 to the 6th lens L6.That is, in the light of the utility model It learns in camera lens 10, the optical lens 10 uses split-type design, including one group of microscope group monomer, wherein the first lens L1 It is arranged to a microscope group monomer, remaining lens can be arranged to a microscope group monomer, can also be arranged to multiple microscope group monomers, And pass through and assemble all microscope group monomers to prepare the optical lens 10.It is noted that each microscope group monomer is formed in assembling During the optical lens 10, the mode that active calibration (Active Alignment, AA) may be employed is assembled, and is made The relative error obtained between each microscope group monomer reduces, so that the split type optical lens is consistent with preferable optics Property.

As shown in figure 4, in the preferred embodiment of the utility model, the optical lens 10 is split type optical lens, And the optical lens 10 includes two microscope group monomers, one first microscope group monomer 11 and one second microscope group monomer 12, wherein described First microscope group monomer 11 includes the first lens L1, and the second microscope group monomer 12 includes the second lens L2 to described 6th lens L6.The first microscope group monomer 11 and the second microscope group monomer 12 are mutually limited by a package assembly 13, with It is molded the optical lens 10.

More specifically, the first microscope group monomer 11 further includes one first loading body 111, first lens L1 is a glass type lens, and is arranged in described first and loads body 111.The second microscope group monomer 12 further includes one Second loads body 121, and the second lens L2 to the 6th lens L6 is sequentially arranged in described second according to opticpath Load body 121.The first loading body 111 is arranged in described first by the package assembly 13 and loads body 111, to be formed State optical lens 10.

As shown in figure 5, further, in the preferred embodiment of the utility model, the first microscope group monomer 11 Described first, which loads body 111, includes one first loading part 1111 and one first auxiliary section 1112, and first loading part 1111 is Hollow structure, in order to accommodate and assemble the first lens L1, first auxiliary section 1112 is from first loading part Outwardly and downwardly integrally extend outside 1111, described second in order to be equipped on the second microscope group monomer 12 loads body 121。

As shown in fig. 6, similarly, described the second of the second microscope group monomer 12, which loads body 121, includes one second loading 1211 and 1 second auxiliary section 1212 of portion, second loading part 1211 is hollow structure, in order to accommodate and sequentially assemble institute The second lens L2 to the 6th lens L6 is stated, second auxiliary section 1212 integrally extends second loading part 1211.When first auxiliary section 1112 is equipped on the loading body of the second microscope group monomer 12, first cooperation Portion 1112 extends and into the loading body, until being in contact with second auxiliary section 1212, such fit system is determined Justice is the mode of socket, and specific effect can refer to attached drawing 4.It is noted that the first microscope group monomer 11 passes through socket Mode is fixed compared with the second microscope group monomer 12, and to form the optical lens 10, mode in this way is conducive to hide It covers external veiling glare and the optical frames is entered by the cooperation position of the first microscope group monomer 11 and the second microscope group monomer 12 Inside first 10.

It is worth noting that first auxiliary section 1112 and second auxiliary section 1212 form the optical lens 10 The package assembly 13, and can effectively limit by second auxiliary section 1212 group of the first microscope group monomer 11 Holding position.

Furthermore, during the first microscope group monomer 11 and the second microscope group monomer 12 is assembled, need to ensure Between the first lens L1 of the first microscope group monomer 11 and the second lens L2 of the second microscope group monomer 12 not It collides, and its edge the air gap is more than 0.2 millimeter.In addition, in the preferred embodiment of the utility model, described One lens L1 is the meniscus shaped lens for being convex to object side, and the second lens L2 is the meniscus shaped lens for being convex to object side, therefore is being set Need to be that the first lens L1 and the second lens L2 is pre- during the package assembly 13 for counting the optical lens 10 Stay sufficient avoiding space.

More specifically, first auxiliary section 1112 of the first microscope group monomer 11 further includes an avoidance Position, the inside for avoiding position and being integrally provided to second auxiliary section 1212, wherein when the first microscope group monomer 11 When first auxiliary section 1112 is socketed on second auxiliary section 1212 of the second microscope group monomer 12, pass through the avoidance Potential energy is effectively prevented the first microscope group monomer 11 and is touched with the second microscope group monomer 12.In being somebody's turn to do for the utility model In preferred embodiment, the avoidance position has step-wise transition structure, including a First Transition section and one second changeover portion, Described in First Transition section upwardly extended from the bottom of first auxiliary section 1112, second changeover portion integrally extends The First Transition section, wherein the First Transition section has larger gradient, second changeover portion has smaller gradient, So that the avoidance potential energy is enough effectively prevented from touching with the second microscope group monomer 12.

Further, can be laid between the first microscope group monomer 11 and the second microscope group monomer 12 cementing medium with The first microscope group monomer 11 and the second microscope group monomer 12 are further steadily fixed, which includes such as UV Glue, hot-setting adhesive, UV etc.The design field it will be appreciated that, in coating cementing medium to assemble the process of the optical lens 10 In, it need to consider the flowing uncontrollability of cementing medium, therefore, suitable structure need to be designed to prevent cementing medium undirectional flow It is dynamic, and cause the pollution of the optical lens 10.

As shown in fig. 7, when first auxiliary section 1112 of the first microscope group monomer 11 is socketed on second microscope group During second auxiliary section 1212 of monomer 12, the avoidance position coordinates second auxiliary section 1212 to overflow to form one first Glue groove 131, thus when the first microscope group monomer 11 and the second microscope group monomer 12 are fixed by cementing medium, institute It states avoidance potential energy and effectively stops that cementing medium flows into inwardly, so as to be effectively prevented from inside the cementing medium pollution Lens influence beautiful.

Separately it is noted that when the mode of the first auxiliary section 1112 of the first microscope group monomer 11 socket is assembled in institute When stating the second auxiliary section 1212 of the second microscope group monomer 12, in the outside of first auxiliary section 1112 and second cooperation There are certain gap between the inside in portion 1212, to form one second excessive glue groove 132, so as to when the first microscope group monomer 11 When being fixed with the second microscope group monomer 12 by cementing medium, second excessive glue groove 132 can also effectively stop viscous Knot medium flows into outward, influences the aesthetics of the optical lens 10 so as to be effectively prevented from the cementing medium.

To sum up, the avoidance position of first auxiliary section 1112 and first auxiliary section 1112 and second are passed through The existing gap in assembling of auxiliary section 1212, can be effectively prevented cementing medium inwardly and outwardly into so as to effective Lens that ground avoids cementing medium pollution internal or the aesthetics for flowing to 10 entirety of optical lens described in external action.

It is noted that in addition to above-mentioned socket joint type package assembly 13, two microscope group monomers can also use The mode being superimposed merely is fixed, alternatively, it is also possible to be bonded two microscope group monomers using superposing type cementing medium.

Further, as shown in Figure 4, the second microscope group monomer 12 further includes an at least spacer ring 40, and the spacer ring 40 is matched somebody with somebody Close the second microscope group monomer 12 each lens set, with will pass through the spacer ring 40 for the optical lens 10 provide it is predetermined Passage of light.More specifically, in the preferred embodiment of the utility model, the second microscope group monomer 12 include four every Circle 40 is respectively arranged between the second lens L2 and the 3rd lens L3, the 3rd lens L3 and described Between 4th lens L4, between the 4th lens L4 and the 5th lens L5 and the 5th lens L5 and the 6th lens Between L6.

If Fig. 8 is to being that the optical lens 10 of the preferred embodiment according to the present utility model assembled as shown in Figure 10 Journey schematic diagram, wherein attached drawing 8 are the assembling schematic diagrams of the first microscope group monomer 11, wherein the first microscope group monomer 11 includes The first lens L1, and the first lens L1 is glass type lens.Its assembling process can be：First by first microscope group First loading body 111 of monomer 11 is inverted in an assembly working table top, and the first lens L1 then is assembled in described first loads The corresponding position of first loading part 1111 of body 111 completes the assembling of the first microscope group monomer 11 as a result,.

The assembling process schematic diagram of second microscope group monomer 12 as described in Fig. 9 is the optical lens 10.For convenience the Two microscope group monomers 12 stablize assembling, and the utility model also provides an assembled fixture 500, coordinates the second microscope group monomer 12 The structure of second auxiliary section 1212 so that the second loading body 121 of the second microscope group monomer 12 is stably supported.Into One step, the assembling process of the second microscope group monomer 12 can be：First described the second of the second microscope group monomer 12 is loaded Body 121 is inverted in assembled fixture, and then the spacer ring 40 is installed in the second loading part 1211, then by second lens L2 is installed in the second loading part 1211, and continuation assembles the spacer ring 40, the 3rd lens L3, the spacer ring 40, institute successively State the 4th lens L4, the spacer ring 40, the 5th lens L5, the spacer ring 40 and the 6th lens L6.

As shown in Figure 10, further, in the preferred embodiment of the utility model, the first microscope group monomer 11 It is assembled with second group's monomer by way of active calibration.More specifically, first to the first microscope group monomer 11 and described Second microscope group monomer 12 carries out active calibration so that the opposite position of the first microscope group monomer 11 and the second microscope group monomer 12 Put definite, and then described second of first auxiliary section, the 1112 and second microscope group monomer 12 in the first microscope group monomer 11 Bonding material is laid between auxiliary section 1212, and the first microscope group monomer 11 and the second microscope group monomer 12 are carried out pre- solid It is fixed, for example ultraviolet light is carried out, the first microscope group monomer 11 and the second microscope group monomer 12 are finally fixed to be molded Optical lens 10 is stated, for example is fixed by way of heated baking.

It is noted that in the actual production process, the first microscope group monomer 11 and the second microscope group monomer 12 It assembles respectively and is combined calibration again, while adjustment calibration in real time between each microscope group monomer can be combined, to be obviously improved product yield.

It should be understood by those skilled in the art that the embodiment of foregoing description and attached the utility model shown in figure is only used as It illustrates and is not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.The work(of the utility model Energy and structural principle show and illustrate in embodiment, under without departing from the principle, the embodiment of the utility model Can there are any deformation or modification.

Claims

A 1. optical lens, which is characterized in that include successively from object side to image side：

One first lens have positive light coke；

One second lens；

One diaphragm；

One the 3rd lens；

One the 4th lens；

One the 5th lens；With

One the 6th lens have negative power；

The aperture Fno of wherein described optical lens is less than 1.9, and the optical system overall length TTL of the optical lens is less than or equal to 4.95 millimeter.
2. optical lens as described in claim 1, wherein first lens use glass material.
3. optical lens as claimed in claim 2, wherein first lens and second lens meet conditional relationship formula：

Vd1-Vd2 ＞ 35；

Vd1 ＞ 50；

Vd2≤30；

Wherein, Vd1 is the Abbe number of first lens, and Vd2 is the Abbe number of the second lens V2.
4. optical lens as claimed in claim 3, wherein the Abbe number Vd1 of first lens is more than 56.
5. optical lens as claimed in claim 2, wherein first lens to the 6th lens meet conditional relationship formula：

TTL/Imgh ＜ 2

Wherein Imgh is the maximum image height of the optical lens.
6. optical lens as claimed in claim 2, wherein first lens to the 6th lens meet conditional relationship formula：

Td/EPD ＜ 2.5；

Wherein Td be the first lens object side to the 6th lens image side surface in the distance on optical axis, and EPD is described The entrance pupil aperture of optical lens.
7. optical lens as claimed in claim 2, wherein the edge the air gap of first lens and second lens EAP12 is more than 0.2 millimeter.
8. the optical lens as described in any one in claim 1 to 7, wherein

Second lens have negative power, and the 3rd lens have positive light coke, and the 4th lens have negative light Focal power, the 5th lens have positive light coke.
9. the optical lens as described in any one in claim 1 to 7, wherein

First lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, and image side surface is concave surface；

Second lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, and image side surface is concave surface；

3rd lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；

4th lens are the meniscus shaped lenses for being convex to image side, and object side is concave surface, and image side surface is convex surface；

5th lens are lenticular lens, and object side is convex surface, and image side surface is convex surface；And

6th lens are the meniscus shaped lenses for being convex to object side, and object side is convex surface, and image side surface is concave surface.
10. optical lens as claimed in claim 9, wherein first lens form the first microscope group, and first microscope group With positive light coke；Second lens, the 3rd lens, the 4th lens, the 5th lens and the described 6th are thoroughly Microscope group is into the second microscope group, and second microscope group has positive light coke.
11. optical lens as claimed in claim 10, wherein the optical lens further comprises：

First microscope group monomer, including first microscope group；

Second microscope group monomer, including second microscope group；With

At least one set of assembling structure defaults in each microscope group monomer, passes through the package assembly phase between each microscope group monomer Mutually assembling, to constrain relative makeup positions.
12. optical lens according to claim 11, which is characterized in that

The first microscope group monomer further comprises one first loading body, and first lens are installed on described first and load body；

The second microscope group monomer further comprises one second loading body, and second lens to the 6th lens are installed on described the Two load body；

The first loading body and the second loading body are mutually assembled by the package assembly.
13. optical lens according to claim 12, which is characterized in that

The second microscope group monomer further comprises an at least spacer ring, and the spacer ring cooperation second lens to the described 6th are thoroughly Mirror is set, to provide predetermined passage of light.
14. optical lens according to claim 13, which is characterized in that

The first microscope group monomer and the second microscope group monomer are assembled by way of active calibration.
A 15. camera lens module, which is characterized in that including：

Optical lens as described in any one in claim 1 to 14；With

One photo-sensitive cell, wherein the optical lens is assembled and is held in the photosensitive path of the photo-sensitive cell, and it is described Photo-sensitive cell is used to the optical imagery that the optical lens gathers being converted into electric signal.