CN206258618U - Micro pick-up lens - Google Patents
Micro pick-up lens Download PDFInfo
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- CN206258618U CN206258618U CN201621372646.3U CN201621372646U CN206258618U CN 206258618 U CN206258618 U CN 206258618U CN 201621372646 U CN201621372646 U CN 201621372646U CN 206258618 U CN206258618 U CN 206258618U
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Abstract
The utility model discloses a kind of micro pick-up lens, the micro pick-up lens include successively from the object side to image side：With positive light coke and concave surface towards the falcate of image side the first lens；With negative power and concave surface towards the falcate of image side the second lens；Diaphragm；3rd lens of the falcate with positive light coke and convex surface facing image side；The 4th lens with negative power and concave-concave；With positive light coke and convex surface facing image side, concave surface towards thing side the 5th lens；With negative power and concave surface towards image side the 6th lens；Cutoff filter.The optical centre of above-mentioned six lens is located along the same line, wherein, the first lens are glass aspheric lenses, and the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens are plastic aspheric lens.The utility model proposes micro pick-up lens there is miniaturization, lightweight, low cost and the characteristics of picture pixel high.
Description
Technical field
The utility model is related to pick-up lens technical field, more particularly to a kind of micro pick-up lens.
Background technology
At present, pick-up lens has become the standard configuration of electronic equipment (such as smart mobile phone, camera), and pick-up lens is even
The index of overriding concern when buying electronic equipment as consumer.
In recent years, as design level, manufacture process technology are continued to develop, pick-up lens constantly towards small volume,
Lightweight and high performance direction is developed.But as the requirement as matter is stepped up, the chip size for using can be increased accordingly,
Causing the volume of pick-up lens can also be increased, and this direction being miniaturized with pick-up lens is run in the opposite direction.Additionally, at present on the market
Generally also there is solution and show as quality is low, always grow up, difficulty of processing is big, the influence of high cost, temperature is big, purple boundary easily occur in pick-up lens
As etc. defect.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
Purpose is to propose a kind of miniaturization, lightweight, low cost and picture pixel micro pick-up lens high.
According to the micro pick-up lens of the utility model embodiment, include successively from the object side to image side：
With positive light coke and concave surface towards the falcate of the image side the first lens；
With negative power and concave surface towards the falcate of the image side the second lens；
Diaphragm；
3rd lens of the falcate with positive light coke and convex surface facing the image side；
The 4th lens with negative power and concave-concave；
With positive light coke and convex surface facing the image side, concave surface towards the thing side the 5th lens；
With negative power and concave surface towards the image side the 6th lens；
Cutoff filter；
First lens, second lens, the 3rd lens, the 4th lens, the 5th lens and institute
The optical centre for stating the 6th lens is located along the same line, first lens be glass aspheric lenses, second lens,
3rd lens, the 4th lens, the 5th lens, the 6th lens are plastic aspheric lens.
Further, the micro pick-up lens meet conditional：1.8<TL/(f·tanθ)<2.2；
Wherein, TLIt is the optics overall length of the micro pick-up lens, f is the focal length of the micro pick-up lens, and θ is described
The angle of half field-of view of micro pick-up lens.
Further, the micro pick-up lens meet conditional：2.0 ＜ f1-4/d1-4＜ 3.5；
Wherein, f1-4It is first lens to the combined focal length of the 4th lens, d1-4It is the thing of first lens
Image side surface spacing on optical axis of the side to the 4th lens.
Further, the micro pick-up lens meet conditional：
Wherein,It is first lens to the combination focal power of the 4th lens,It is the micro pick-up lens
Focal power.
Further, the micro pick-up lens meet conditional：
Wherein,WithRespectively described 5th lens and the 6th power of lens,Represent described miniature to take the photograph
As the focal power of camera lens.
Further, the micro pick-up lens meet conditional：V2=V4≤V6<V1<V3=V5；
Wherein, V1, V2, V3, V4, V5, V6 are respectively first lens, second lens, the 3rd lens, institute
State the 4th lens, the 5th lens, the material Abbe number of the 6th lens.
Further, first lens, second lens, the 3rd lens, the 4th lens, the described 5th
The aspherical surface shape of lens and the 6th lens is satisfied by equation：
Wherein, z leaves distance of the curved surface summit in optical axis direction for curved surface, and h is distance of the optical axis to curved surface, and c is curved surface
The curvature on summit, k is circular cone coefficient conic, a4、a6、a8、a10、a12、a14Quadravalence, six ranks, eight ranks, ten ranks, 12 are represented respectively
Surface coefficients corresponding to rank, ten quadravalence radial coordinates.
Further, the light-shielding sheet of light hole is provided with centered on described diaphragm.
Above-mentioned micro pick-up lens at least have the following advantages that compared to existing technology：
(1) micro pick-up lens use a piece of glass lens, and five plastic lens, cost is relatively low, and camera lens weight
Also it is lighter；
(2) the total length of the micro pick-up lens, small volume, are easy to assembling, effectively reduce tolerance losses, it is ensured that
High-quality resolving power；
(3) the micro pick-up lens imaging clearly, sharpness is high, reaches more than 20,000,000 pixels；
(4) the micro pick-up lens angle of visual field is big, can reach more than 80 °；
(5) micro pick-up lens add plastic aspherical element structure using Glass aspheric, therefore the geometry of optical system is passed
Delivery function is greatly improved, and the sharpness of the product, transmitance, color reducibility can be made to be significantly improved.
Advantage of the present utility model will be set forth in part in the description, and partly will from the following description become bright
It is aobvious, or recognized by practice of the present utility model.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the micro pick-up lens according to the utility model implementation method；
Fig. 2 a are the curvature of field curve maps for implementing the micro pick-up lens for proposing according to the utility model；
Fig. 2 b are the F-Theta distortion curve figures for implementing the micro pick-up lens for proposing according to the utility model；
Fig. 3 is to implement penalty kick dyeing differential on the axle of the micro pick-up lens for proposing according to the utility model to be intended to；
Fig. 4 a are the curvature of field curve maps for implementing two micro pick-up lens for proposing according to the utility model；
Fig. 4 b are the F-Theta distortion curve figures for implementing two micro pick-up lens for proposing according to the utility model；
Fig. 5 is to implement penalty kick dyeing differential on the axle of two micro pick-up lens for proposing according to the utility model to be intended to；
Fig. 6 a are the curvature of field curve maps for implementing three micro pick-up lens for proposing according to the utility model；
Fig. 6 b are the F-Theta distortion curve figures for implementing three micro pick-up lens for proposing according to the utility model；
Fig. 7 is to implement penalty kick dyeing differential on the axle of three micro pick-up lens for proposing according to the utility model to be intended to.
Specific embodiment
To enable the purpose of this utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this practicality
New specific embodiment is described in detail.Some embodiments of the present utility model are given in accompanying drawing.But, this practicality
It is new to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example be make to disclosure of the present utility model more it is thorough comprehensively.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side ", " on ", D score and similar statement for illustrative purposes only, rather than indicating or imply signified device or unit
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood
Concrete meaning in the utility model.Term as used herein " and/or " include one or more related Listed Items
Arbitrary and all of combination.
Refer to Fig. 1, the micro pick-up lens 10 that implementation method of the present utility model is provided, from the object side to image side 200 according to
It is secondary including：
First lens 11, first lens 11 are the falcate towards the image side 200 with positive light coke and concave surface
Glass aspheric lenses；
Second lens 12, second lens 12 are the falcate towards the image side 200 with negative power and concave surface
Plastic aspheric lens；
Diaphragm 17, the effect of the diaphragm 17 is accurately to adjust thang-kng amount, in order to be photographed under the scene of dark
Clearly picture is, it is necessary to larger luminous flux camera lens, this position sets diaphragm 17 and is conducive to control to reach the chief ray of image side 200
Incident angle and overall length, and can effectively control within 9.5 degree, more meet the incident requirement of chip.During specific implementation,
The light-shielding sheet of light hole is provided with centered on the diaphragm 17, diaphragm is done using light-shielding sheet, farthest ensure that the essence of processing
True property, reduces mismachining tolerance, is conveniently adjusted；
3rd lens 13, the 3rd lens 13 are with positive light coke and convex surface facing the falcate of the image side 200
Plastic aspheric lens；
4th lens 14, the 4th lens 14 are the concave-concave plastic aspheric lens with negative power；
5th lens 15, the 5th lens 15 are with positive light coke and convex surface facing the image side 200, concave surface court
To the plastic aspheric lens of the thing side；
6th lens 16, the 6th lens 16 are that the plastics with negative power and concave surface towards the image side 200 are non-
Spherical lens；
Cutoff filter 18, the infrared cut of light optical filter 18 can effectively end infrared light and pass through, and increase visible
The action effect of light, reduces aberration and veiling glare, lifts imaging effect.
First lens 11, second lens 12, the 3rd lens 13, the 4th lens 14, the described 5th
The optical centre of lens 15 and the 6th lens 16 is located along the same line.
Due to first lens 11, second lens 12, the 3rd lens 13, the 4th lens 14, described
5th lens 15 and the 6th lens 16 are aspherical lens, can improve imaging sharpness, are reducing weight and are reducing body
While product, more preferable optical property can be provided.
Additionally, to limit the overall length of camera lens, and ensure that camera lens has image quality good enough, the micro pick-up lens 10
Meet conditional：1.8<TL/(f·tanθ)<2.2；
Wherein TLIt is the optics overall length of the micro pick-up lens 10 (i.e. whole pick-up lens, similarly hereinafter), f is described miniature
The focal length of pick-up lens 10, θ is the angle of half field-of view of the micro pick-up lens 10.Work as TLThe value of/(ftan θ) exceedes the upper limit
When, the overall length of overall camera lens is long, if in other words in the case of overall shortening overall length, image height can be not enough；Work as TL/(f·tan
When value θ) exceedes lower limit, because each power of lens is excessive, camera lens aberration correction is difficult, and resolving power is remarkably decreased.
To provide suitable Lens while good correction aberration, the micro pick-up lens 10 meet condition
Formula：2.0 ＜ f1-4/d1-4＜ 3.5；
Wherein, f1-4It is the combined focal length of first lens 11 to the 4th lens 14, d1-4It is first lens
Image side surface spacing on optical axis of the 10 thing side to the 4th lens 14.Work as f1-4/d1-4Value exceed the upper limit when, combination
Focal length is excessive, and spherical aberration is relatively reduced, but the decline of its refractive power causes camera lens to lengthen；Work as f1-4/d1-4Value exceed lower limit when, group
Complex focus are too small, although camera lens overall length can be made to diminish, but its spherical aberration for producing is excessive, it is difficult to correct.
Further, the micro pick-up lens 10 meet conditional：
Wherein,It is the combination focal power of first lens 11 to the entirety of the 4th lens 14,Represent described micro-
The focal power of type pick-up lens 10.WhenValue exceed the upper limit when, combination focal power it is too strong, although camera lens overall length can be made
Diminish, but its produce astigmatism, the curvature of field, distort it is excessive, it is difficult to correct；WhenValue exceed lower limit when, combine focal power
Weaken, above-mentioned various aberrations are relatively reduced, but the decline of its refractive power causes camera lens to lengthen.
Further, the micro pick-up lens 10 meet conditional：
Wherein,WithThe focal power of respectively described 5th lens 15 and the 6th lens 16,For described miniature
The focal power of pick-up lens 10.Wherein, the 5th lens 15 are the crucial lens of comparing, and it largely corrects the first lens
The spherical aberration of 11 to the 4th lens 14, and receive light using big focal power and reduce overall length, but it can equally produce the curvature of field, astigmatism and abnormal
Become.WhenValue exceed the upper limit when, the focal power of the 5th lens 15 is too strong, although camera lens overall length can be made to diminish, but its produce
Raw astigmatism, the curvature of field and distort it is excessive, it is difficult to correct；WhenValue when exceeding lower limit, the focal power of the 5th lens 15 weakens,
Above-mentioned aberration is relatively reduced, but the decline of its refractive power causes camera lens to lengthen.The 5th lens 15 of main correction of 6th lens 16 are produced
The raw curvature of field and distortion.WhenValue exceed the upper limit when, the 6th power of lens is too strong, although can make system overall length become
It is small, but its curvature of field for producing is excessive with the correction of distortion, can produce bigger pincushion distortion；WhenValue when exceeding lower limit, the
The focal power of six lens 16 weakens, and its undercorrection and its refractive power to the curvature of field and distortion declines causes camera lens to lengthen.
Further, the micro pick-up lens 10 meet conditional：V2=V4≤V6<V1<V3=V5；
Wherein, V1, V2, V3, V4, V5, V6 are respectively first lens 11, second lens 12, the described 3rd saturating
Mirror 13, the 4th lens 14, the 5th lens 15, the material Abbe number of the 6th lens 16.
Further, first lens 11, second lens 12, the 3rd lens 13, the 4th lens 14,
The aspherical surface shape of the 5th lens 15 and the 6th lens 16 is satisfied by equation：
Wherein, z leaves distance of the curved surface summit in optical axis direction for curved surface, and h is distance of the optical axis to curved surface, and c is curved surface
The curvature on summit, k is circular cone coefficient conic, a4、a6、a8、a10、a12、a14Quadravalence, six ranks, eight ranks, ten ranks, 12 are represented respectively
Surface coefficients corresponding to rank, ten quadravalence radial coordinates.Both-sided aspherical before and after lens can accurately be set by above parameter
Face molded dimension.Aspherical shape meets even aspheric surface equation, using different asphericity coefficients, make it is aspherical in systems
Effect perform to maximum, obtain more perfect resolving power.
The micro pick-up lens 10 at least have the following advantages that compared to existing technology：
(1) micro pick-up lens use a piece of glass lens, and five plastic lens, cost is relatively low, and camera lens weight
Also it is lighter；
(2) the total length of the micro pick-up lens, small volume, are easy to assembling, effectively reduce tolerance losses, it is ensured that
High-quality resolving power；
(3) the micro pick-up lens imaging clearly, sharpness is high, reaches more than 20,000,000 pixels；
(4) the micro pick-up lens angle of visual field is big, can reach more than 80 °；
(5) micro pick-up lens add plastic aspherical element structure using Glass aspheric, therefore the geometry of optical system is passed
Delivery function is greatly improved, and the sharpness of the product, transmitance, color reducibility can be made to be significantly improved.
The optical system structure of micro pick-up lens of the present utility model determines good core shift susceptibility, reduces mould
Difficulty of processing, reduction studies the cycle.
Multiple embodiments are divided to be further detailed the utility model below.It is miniature in following each embodiment
The thickness of each lens in pick-up lens, radius of curvature, material selecting portion point are different, specific different reference can be made to each implementation
Parameter list in example.Following embodiments are only better embodiment of the present utility model, but implementation method of the present utility model is simultaneously
Not only limited by following embodiments, other any change, replacement, combinations made without departing from the utility model innovative point
Or simplify, equivalent substitute mode is regarded as, it is included within protection domain of the present utility model.
Embodiment one：
The relevant parameter of each lens is as shown in table 1 in the micro pick-up lens of the present embodiment.
Table 1
| Surface sequence number | Structure | Radius of curvature | Thickness | Refractive index | Abbe number |
| 0 | Thing | Infinitely | 2000.0000 | ||
| 1 | First lens | 10.7614 | 1.6233 | 1.8839 | 37.205 |
| 2 | 49.9114 | 0.0500 | |||
| 3 | Second lens | 4.5559 | 0.7427 | 1.651 | 21.514 |
| 4 | 3.2736 | 0.7960 | |||
| 5 | Diaphragm | Infinitely | 0.2661 | ||
| 6 | 3rd lens | -367.5964 | 1.3296 | 1.5439 | 55.951 |
| 7 | -7.5079 | 0.5013 | |||
| 8 | 4th lens | -28.0271 | 1.4069 | 1.651 | 21.514 |
| 9 | 48.8548 | 0.3239 | |||
| 10 | 5th lens | -7.1520 | 3.5181 | 1.5439 | 55.951 |
| 11 | -2.3809 | 0.0500 | |||
| 12 | 6th lens | 6.1839 | 1.6838 | 1.6397 | 23.529 |
| 13 | 2.4489 | 1.6582 | |||
| 14 | Optical filter | Infinitely | 0.8000 | ||
| 15 | Infinitely | 1.2896 | |||
| 16 | Imaging surface | Infinitely | 0.0000 |
The aspherical parameter of each lens is as shown in table 2 in the micro pick-up lens of the present embodiment.
Table 2
In the present embodiment, the curvature of field of the micro pick-up lens, distortion and penalty kick difference not such as Fig. 2 a, Fig. 2 b and figure on axle
Shown in 3, it can be seen that put spherical aberration in the present embodiment on the curvature of field, distortion and axle can be corrected well.
Embodiment two：
The relevant parameter of each lens is as shown in table 3 in the micro pick-up lens of the present embodiment.
Table 3
The aspherical parameter of each lens is as shown in table 4 in the micro pick-up lens of the present embodiment.
Table 4
In the present embodiment, the curvature of field of the micro pick-up lens, distortion and axle on penalty kick difference not such as Fig. 4 a, Fig. 4 b and
Shown in Fig. 5, it can be seen that put spherical aberration in the present embodiment on the curvature of field, distortion and axle can be corrected well.
Embodiment three：
The relevant parameter of each lens is as shown in table 5 in the micro pick-up lens of the present embodiment.
Table 5
The aspherical parameter of each lens is as shown in table 6 in the micro pick-up lens of the present embodiment.
Table 6
In the present embodiment, the curvature of field of the micro pick-up lens, distortion and axle on penalty kick difference not such as Fig. 6 a, Fig. 6 b and
Shown in Fig. 7, it can be seen that put spherical aberration in the present embodiment on the curvature of field, distortion and axle can be corrected well.
Additionally, table 7 is above-mentioned 3 embodiments and its corresponding optical characteristics, including micro pick-up lens focal length f, light
The optics overall length T of number of turns F#, micro pick-up lensLWith the θ of the angle of visual field 2, and numerical value corresponding with above each conditional.
Table 7
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in one or more any embodiments or example.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of micro pick-up lens, it is characterised in that include successively from the object side to image side：
With positive light coke and concave surface towards the falcate of the image side the first lens；
With negative power and concave surface towards the falcate of the image side the second lens；
Diaphragm；
3rd lens of the falcate with positive light coke and convex surface facing the image side；
The 4th lens with negative power and concave-concave；
With positive light coke and convex surface facing the image side, concave surface towards the thing side the 5th lens；
With negative power and concave surface towards the image side the 6th lens；
Cutoff filter；
First lens, second lens, the 3rd lens, the 4th lens, the 5th lens and described
The optical centre of six lens is located along the same line, and first lens are glass aspheric lenses, second lens, described
3rd lens, the 4th lens, the 5th lens, the 6th lens are plastic aspheric lens.
2. micro pick-up lens according to claim 1, it is characterised in that the micro pick-up lens meet conditional：
1.8<TL/(f·tanθ)<2.2；
Wherein, TLIt is the optics overall length of the micro pick-up lens, f is the focal length of the micro pick-up lens, and θ is described miniature
The angle of half field-of view of pick-up lens.
3. micro pick-up lens according to claim 2, it is characterised in that the micro pick-up lens meet conditional：
2.0 ＜ f1-4/d1-4＜ 3.5；
Wherein, f1-4It is first lens to the combined focal length of the 4th lens, d1-4It is the thing side of first lens
To the spacing of the image side surface on optical axis of the 4th lens.
4. micro pick-up lens according to claim 3, it is characterised in that the micro pick-up lens meet conditional：
Wherein,It is first lens to the combination focal power of the 4th lens,It is the light of the micro pick-up lens
Focal power.
5. micro pick-up lens according to claim 4, it is characterised in that the micro pick-up lens meet conditional：
Wherein,WithRespectively described 5th lens and the 6th power of lens,Represent the miniature video camera mirror
The focal power of head.
6. micro pick-up lens according to claim 5, it is characterised in that the micro pick-up lens meet conditional：
V2=V4≤V6<V1<V3=V5；
Wherein, V1, V2, V3, V4, V5, V6 are respectively first lens, second lens, the 3rd lens, described
Four lens, the 5th lens, the material Abbe number of the 6th lens.
7. micro pick-up lens according to claim 6, it is characterised in that first lens, second lens, institute
The aspherical surface shape for stating the 3rd lens, the 4th lens, the 5th lens and the 6th lens is satisfied by equation
Formula：
Wherein, z leaves distance of the curved surface summit in optical axis direction for curved surface, and h is distance of the optical axis to curved surface, and c is curved surface summit
Curvature, k be circular cone coefficient conic, a4、a6、a8、a10、a12、a14Respectively represent quadravalence, six ranks, eight ranks, ten ranks, ten second orders,
Surface coefficients corresponding to ten quadravalence radial coordinates.
8. micro pick-up lens according to claim 1 to 7 any one, it is characterised in that centered on described diaphragm
It is provided with the light-shielding sheet of light hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372646.3U CN206258618U (en) | 2016-12-14 | 2016-12-14 | Micro pick-up lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372646.3U CN206258618U (en) | 2016-12-14 | 2016-12-14 | Micro pick-up lens |
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| CN206258618U true CN206258618U (en) | 2017-06-16 |
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| CN201621372646.3U Withdrawn - After Issue CN206258618U (en) | 2016-12-14 | 2016-12-14 | Micro pick-up lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526803A (en) * | 2016-12-14 | 2017-03-22 | 江西联益光学有限公司 | Micro camera lens |
| CN108490590A (en) * | 2018-05-02 | 2018-09-04 | 广东弘景光电科技股份有限公司 | Day and night confocal flake monitoring optical system and its camera module of application |
-
2016
- 2016-12-14 CN CN201621372646.3U patent/CN206258618U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526803A (en) * | 2016-12-14 | 2017-03-22 | 江西联益光学有限公司 | Micro camera lens |
| CN106526803B (en) * | 2016-12-14 | 2022-04-15 | 江西联益光学有限公司 | Miniature camera lens |
| CN108490590A (en) * | 2018-05-02 | 2018-09-04 | 广东弘景光电科技股份有限公司 | Day and night confocal flake monitoring optical system and its camera module of application |
| CN108490590B (en) * | 2018-05-02 | 2023-07-28 | 广东弘景光电科技股份有限公司 | Day and night confocal fish eye monitoring optical system and camera module applying same |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170616 Effective date of abandoning: 20220121 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |