CN105137511B - A kind of many combination of materials lens and its manufacture method and imaging device - Google Patents
A kind of many combination of materials lens and its manufacture method and imaging device Download PDFInfo
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- CN105137511B CN105137511B CN201510540408.2A CN201510540408A CN105137511B CN 105137511 B CN105137511 B CN 105137511B CN 201510540408 A CN201510540408 A CN 201510540408A CN 105137511 B CN105137511 B CN 105137511B
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- 239000000463 material Substances 0.000 title claims abstract description 148
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003384 imaging method Methods 0.000 title claims abstract description 17
- 238000001746 injection moulding Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000009738 saturating Methods 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000011797 cavity material Substances 0.000 description 17
- 239000010410 layer Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
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Abstract
The present invention is applied to optical technical field, there is provided a kind of many combination of materials lens, at least include the first lens and the second lens, first lens and the second lens are respectively by the first material and the injection moulding successively of the second material, it is combined as a whole first lens and the second lens unrepeatered transmission, first material and the second material are different, the center overlapping of axles of first lens and the second lens.The present invention uses different materials injection moulding successively, and equal unrepeatered transmission between arbitrary neighborhood lens.Compared with traditional bonding lens group, it is not required to that single lens are fabricated separately, also saves the step of single lens are bonded together, greatly simplified in technological process, manufacture efficiency can be significantly increased, and has saved the use of adhesion-layer materials, and then reduced cost and improve benefit；By different materials integrated injection molding, non-binding layer, good reliability.Compared with the mutually isostructural lens that traditional single material makes, imaging effect is obviously improved.
Description
Technical field
The invention belongs to optical technical field, more particularly to a kind of many combination of materials lens and its manufacture method and imaging
Device.
Background technology
As the imaging effect requirement more and more higher of existing camera lens is, it is necessary to imaging len has stronger aberration, distortion, ball
The correcting function of the aspects such as difference.Prior art is generally arranged in order composition lens group using multi-disc lens, to realize anaberration
Purpose, traditional lens group is to be fabricated separately single element lens using identical material or different materials, then by two or two with
Imaging after upper lens are bonded together by glue material, complex process, high cost, and the lens made using identical material are bonded
Effect is unsatisfactory.
The content of the invention
It is an object of the invention to provide a kind of many combination of materials lens, it is intended to simplify manufacturing process and lift imaging effect
Really.
The present invention is achieved in that a kind of many combination of materials lens, described at least including the first lens and the second lens
First lens and the second lens respectively by the first material and the injection moulding successively of the second material, first lens and the second lens
It is combined as a whole, first material and the second material are different, the center of first lens and the second lens unrepeatered transmission
Overlapping of axles.
As the preferred technical solution of the present invention：
Many combination of materials lens also include that at least one the coaxial with first lens and the second lens the 3rd is saturating
Mirror, the 3rd lens by the 3rd material in the second lens surface injection moulding, the 3rd lens and the second lens without
Intermediate layer it is combined as a whole, the 3rd material is different from first material and the second material.
When the 3rd lens are two or more, the material of different the 3rd lens is different, and is molded into successively
Type, is combined as a whole unrepeatered transmission between adjacent the 3rd lens.
First lens are molded using PMMA material injections, and second lens are molded using PC material injections.
Another object of the present invention is to provide a kind of manufacture method of many combination of materials lens, comprise the steps：
By first upper die and lower die and mould of mould, the first die cavity is enclosed, to being molded the first material in first die cavity
Material, forms the first lens；
Mould is opened, by mould on the second of mould and the lower mould and mould, the second die cavity is enclosed, to second die cavity
The second material is molded, the second lens are formed in first lens surface；
Wherein, first material and the second material are different, the center overlapping of axles of first lens and the second lens.
Another object of the present invention is to provide a kind of imaging device, including described many combination of materials lens.
Many combination of materials lens that the present invention is provided be using different materials injection moulding successively, and arbitrary neighborhood lens it
Between unrepeatered transmission.Compared with the lens group that traditional use adhesive layer is bonded, it is not required to that single lens are fabricated separately, and also saves
The step of single lens are bonded together, greatly simplified in technological process, can significantly increase manufacture efficiency, and
The use of adhesion-layer materials is saved, the simplification of technique and the saving of material cause that cost declines, and then increase the benefit；In addition,
During long-term use be not easily stripped for different materials integrated injection molding, non-binding layer by many combination of materials lens of the present embodiment, can
It is good by property.In addition, compared with the mutually isostructural lens that traditional single material makes, as a result of combination of different materials,
Lift anaberration effect is significant.
Brief description of the drawings
Fig. 1 is a kind of structural representation of many combination of materials lens provided in an embodiment of the present invention；
Fig. 2 is another structural representation of many combination of materials lens provided in an embodiment of the present invention；
Fig. 3 is the imaging effect compares figure of many combination of materials lens provided in an embodiment of the present invention and conventional lenses；
Fig. 4 is the imaging effect compares figure of many combination of materials lens provided in an embodiment of the present invention and conventional lenses；
Fig. 5 is the imaging effect compares figure of many combination of materials lens provided in an embodiment of the present invention and conventional lenses；
Fig. 6 is the manufacture method flow chart of many combination of materials lens provided in an embodiment of the present invention；
Fig. 7 is the manufacturing process equipment schematic diagram of many combination of materials lens provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Of the invention implementing is described in detail below in conjunction with specific embodiment：
Fig. 1 is refer to, the embodiment of the present invention provides a kind of many combination of materials lens, at least including different saturating of two sheet materials
Mirror, i.e., at least include the first lens 10 and the second lens 20, the first lens 10 by the first material injection be molded, the second lens 20 by
Second material injection is molded, also, the first lens 10 and the second lens 20 are molded successively in same injection step, i.e., second is saturating
Mirror 20 is in the direct injection moulding in the surface of the first lens 10 so that the first lens 10 and the unrepeatered transmission of the second lens 20 ground are combined
It is integrated, and by the structure of rational design mould, makes the center overlapping of axles of the first lens 10 and the second lens 20.
In the present embodiment, using the shaping of PMMA material injections, the second lens 20 use PC material injections to the first lens 10
Shaping.The selection of the material is only a kind of feasible embodiment, is not used in the restriction present invention.
With further reference to Fig. 2, many combination of materials lens can also include more multi-disc lens, i.e., in above-mentioned first lens 10
On the basis of the second lens 20, also including at least one the 3rd lens 30.It is appreciated that in the present embodiment first, second,
3rd merely to represent different lens, is not used in the particular number and species for limiting lens.Wherein, " at least one the 3rd
The statement of lens 30 " is also referred at least a lens, although referred to as the 3rd lens 30, but it is the 3rd saturating not represent each
The structure and material of mirror 30 is identical.
In the present embodiment, the 3rd lens 30 and the first lens 10 and the second lens 20 are coaxial, and the 3rd lens 30 are by
, in the surface injection moulding of the second lens 20, the 3rd material is different from the first material and the second material, the He of the 3rd lens 30 for three materials
It is combined as a whole the unrepeatered transmission of second lens 20.When the 3rd lens 30 are two or more, the material of different the 3rd lens 30
Material is also different, and injection moulding successively, that is to say, that be combined as a whole between the 3rd adjacent lens 30 unrepeatered transmission.
In sum, many combination of materials lens be using different materials injection moulding successively, and arbitrary neighborhood lens it
Between unrepeatered transmission.Compared with the lens group that traditional use adhesive layer is bonded, it is not required to that single lens are fabricated separately, and also saves
The step of single lens are bonded together, greatly simplified in technological process, can significantly increase manufacture efficiency, and
The use of adhesion-layer materials is saved, the simplification of technique and the saving of material cause that cost declines, and then increase the benefit；In addition,
During long-term use be not easily stripped for different materials integrated injection molding, non-binding layer by many combination of materials lens of the present embodiment, can
It is good by property.In addition, compared with the mutually isostructural lens that traditional single material makes, as a result of combination of different materials,
Lift anaberration effect is significant.Such as Fig. 3,4,5, wherein, (a) figure is using many material groups in the embodiment of the present invention in Fig. 3
The imaging effect figure of lens is closed, (b) figure is the effect design sketch of the lens using traditional list material same shape in Fig. 3.In Fig. 4
A () figure is the picture point figure using many combination of materials lens in the embodiment of the present invention, (b) figure is using traditional list material in Fig. 4
The picture point figure of the lens of same shape.(a) figure is the field distortion using many combination of materials lens in the embodiment of the present invention in Fig. 5
Figure, (b) figure is the field distortion figure of the lens using traditional list material same shape in Fig. 5.It is visible according to Fig. 3,4,5, using this
The anaberration of many combination of materials lens of inventive embodiments and the effect of distortion are substantially better than conventional lenses, and imaging effect is preferable.
The present invention further provides a kind of manufacture method of many combination of materials lens, such as Fig. 6 and Fig. 7, under the method includes
State step：
In step S101, by mould 40 on the first of mould and lower mould 50 and mould, the first die cavity is enclosed, to the first die cavity
The first material of middle injection, forms the first lens 10；
In step s 102, mould is opened, by mould 60 on the second of mould and the lower mould 50 and mould, Second-Type is enclosed
Chamber, the second material is molded to the second die cavity, and the second lens 20 are formed on the surface of the first lens 10；
Wherein, the first material and the second material are different, the center overlapping of axles of the first lens 10 and the second lens 20.
In embodiments of the present invention, many combination of materials lens, the die for special purpose are manufactured using special equipment and particular manufacturing craft
Tool has a lower mould 50 and multiple upper moulds, a die cavity is formed after each upper die and lower die 50 and mould, according to the group of pre-acquired
The structure of lens is closed, the first die cavity that mould 40 and lower mould 50 are formed on first is the shape of the first lens 10, by the first material note
Moulding to the first die cavity can obtain the first lens 10；After completing the injection of the first lens 10, mould is opened, lower mould 50 is turned over one
Determine angle and form the second die cavity at mould 60, and after mould to second, the second material is injected in the second die cavity, except the first lens
Spatial shape shared by 10 is directly molded on the surface of the first lens 10, does not have therebetween into the second lens 20, second lens 20
There is adhesive layer.
If realizing more multi-disc lens combination, continue for mould on lower mould 50 and other and mould to form die cavity, specifically,
The present embodiment can also comprise the steps：
Mould is opened, by the 3rd upper die and lower die and mould of mould, the 3rd die cavity is enclosed, to being molded the in the 3rd die cavity
Three materials, the 3rd lens 30 are formed on the surface of the second lens 20.Wherein, the 3rd material and the first material and the second material be not
Together, the center overlapping of axles of the 3rd lens 30 and the first lens 10 and the second lens 20.
By that can be formed after the step comprising three many combination of materials lens of lens, and it is the one knot without adhesive layer
Structure.
Similar, if to obtain the compound lens of more multi-disc lens, continue transfer mold, by mould on lower mould and other
Die cavity is formed with mould, to other materials is injected in die cavity, the material forms another in the space in addition to the lens for having completed
Lens, and so on can produce between the compound lens of multiple material, and different lens be all unrepeatered transmission one knot
Structure.
During injection moulding, need to be according to control of material injection temperature, to avoid producing bubble or be molded uneven
Etc. quality problems, it is ensured that excellent imaging effect.
In the present embodiment, the first material is PMMA materials, and the second material is PC materials.Material selection be only it is a kind of compared with
Good embodiment, is not used in the restriction present invention.The material of other lenses also according to selection light transmissive material high is actually needed, specifically not
Repeat again.
In the present embodiment, adjacent lens are made by different materials, and in some cases, non-conterminous lens are likely to
Using identical material, it is preferable selection of the invention that certain all of lens use different materials.
Further, the present invention also provides a kind of imaging device, and it includes above-mentioned many combination of materials lens.Using this
Many combination of materials lens can be effectively improved the bad shadow such as spherical aberration, aberration, distortion as pick-up lens or a part therein
Ring, lift image quality.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of manufacture method of many combination of materials lens, it is characterised in that comprise the steps：
Mould is provided, the mould includes a lower mould and multiple upper moulds, and the lower mould passes through rotating mechanism and each upper mould
Correspondence and carry out matched moulds, the upper mould at least includes on first mould on mould and second；
By first upper die and lower die and mould of mould, the first die cavity is enclosed, to being molded the first material, shape in first die cavity
Into the first lens；
Mould is opened, lower mould is turned over into certain angle to second at mould, mould on the second of mould and the lower mould and mould enclose
Synthesize the second die cavity, the second material is molded to second die cavity, the second lens are formed in first lens surface；
Wherein, first material and the second material are different, the center overlapping of axles of first lens and the second lens, and described the
It is combined as a whole one lens and the second lens unrepeatered transmission.
2. the manufacture method of many combination of materials lens as claimed in claim 1, it is characterised in that the upper mould also includes the 3rd
Upper mould, the manufacture method also includes：
Mould is opened, by mould on the 3rd of mould the and the lower mould and mould, the 3rd die cavity is enclosed, noted in the 3rd die cavity
The 3rd material is moulded, the 3rd lens are formed on the surface of second lens；
Wherein, the 3rd material and first material and the second material are different, the 3rd lens and the first lens and
The center overlapping of axles of the second lens.
3. the manufacture method of many combination of materials lens as claimed in claim 2, it is characterised in that the manufacture method also includes
The step of forming three lens at least one times, and the 3rd material that the 3rd different lens are used is different, to be formed at least
One the 3rd lens of different materials.
4. the manufacture method of many combination of materials lens as claimed in claim 1, it is characterised in that first material is PMMA
Material, second material is PC materials.
5. a kind of many combination of materials lens, it is characterised in that many combination of materials lens are by claim 1-4 any one institute
The manufacture method manufacture of many combination of materials lens stated, many combination of materials lens are at least saturating including the first lens and second
Mirror, first lens and the second lens respectively by the first material and the injection moulding successively of the second material, first lens and
It is combined as a whole, first material and the second material are different second lens unrepeatered transmission, first lens and second saturating
It is combined as a whole the center overlapping of axles of mirror, first lens and the second lens unrepeatered transmission.
6. many combination of materials lens as claimed in claim 5, it is characterised in that many combination of materials lens are also included at least
One threeth lens coaxial with first lens and the second lens, the 3rd lens are saturating in described second by the 3rd material
Be combined as a whole the injection moulding of mirror surface, the 3rd lens and the second lens unrepeatered transmission, the 3rd material with it is described
First material and the second material are different.
7. many combination of materials lens as claimed in claim 6, it is characterised in that when the 3rd lens are two or more,
The material of different the 3rd lens is different, and injection moulding successively, unrepeatered transmission ground between adjacent the 3rd lens
It is combined as a whole.
8. many combination of materials lens as claimed in claim 5, it is characterised in that first lens use PMMA material injections
Shaping, second lens are molded using PC material injections.
9. a kind of imaging device, it is characterised in that including many combination of materials lens described in any one of claim 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540408.2A CN105137511B (en) | 2015-08-28 | 2015-08-28 | A kind of many combination of materials lens and its manufacture method and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540408.2A CN105137511B (en) | 2015-08-28 | 2015-08-28 | A kind of many combination of materials lens and its manufacture method and imaging device |
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| Publication Number | Publication Date |
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| CN105137511A CN105137511A (en) | 2015-12-09 |
| CN105137511B true CN105137511B (en) | 2017-07-07 |
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| CN201510540408.2A Active CN105137511B (en) | 2015-08-28 | 2015-08-28 | A kind of many combination of materials lens and its manufacture method and imaging device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112406014B (en) * | 2020-11-18 | 2022-12-20 | Oppo（重庆）智能科技有限公司 | Manufacturing method of lens group, lens, imaging module and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077607A (en) * | 2006-05-24 | 2007-11-28 | 鸿富锦精密工业（深圳）有限公司 | Method for making compound lens |
| CN101281356A (en) * | 2007-04-02 | 2008-10-08 | 索尼株式会社 | Imaging apparatus |
| CN101750642A (en) * | 2008-12-05 | 2010-06-23 | 光燿科技股份有限公司 | Compound lens and manufacturing method thereof |
| CN204964796U (en) * | 2015-08-28 | 2016-01-13 | 深圳市百康光电有限公司 | Many material combinations lens and image device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001191365A (en) * | 2000-01-14 | 2001-07-17 | Stanley Electric Co Ltd | Resin thick-walled lens and its molding method |
-
2015
- 2015-08-28 CN CN201510540408.2A patent/CN105137511B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077607A (en) * | 2006-05-24 | 2007-11-28 | 鸿富锦精密工业（深圳）有限公司 | Method for making compound lens |
| CN101281356A (en) * | 2007-04-02 | 2008-10-08 | 索尼株式会社 | Imaging apparatus |
| CN101750642A (en) * | 2008-12-05 | 2010-06-23 | 光燿科技股份有限公司 | Compound lens and manufacturing method thereof |
| CN204964796U (en) * | 2015-08-28 | 2016-01-13 | 深圳市百康光电有限公司 | Many material combinations lens and image device |
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| CN105137511A (en) | 2015-12-09 |
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Effective date of registration: 20230505 Address after: 518107 Factory buildings C201, D101, D201, Mingfengda Production Base, Baoshan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN BAIKANG OPTICAL Co.,Ltd. Patentee after: ZHEJIANG BICOM OPTICS Co.,Ltd. Address before: 518000 area a, 1st floor and area a, 2nd floor, building B4, xinjianxing science and Technology Industrial Park, Fengxin Road, Loucun community, Gongming office, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BAIKANG OPTICAL Co.,Ltd. |
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