CN101644821B - Microcamera lens assembly - Google Patents
Microcamera lens assembly Download PDFInfo
- Publication number
- CN101644821B CN101644821B CN2008101422804A CN200810142280A CN101644821B CN 101644821 B CN101644821 B CN 101644821B CN 2008101422804 A CN2008101422804 A CN 2008101422804A CN 200810142280 A CN200810142280 A CN 200810142280A CN 101644821 B CN101644821 B CN 101644821B
- Authority
- CN
- China
- Prior art keywords
- aspheric surface
- lens
- eyeglass
- lens assembly
- micro pick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000004075 alteration Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 241000700608 Sagitta Species 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Abstract
The invention provides a microcamera lens assembly, which comprises a lens group, an optical filter and a built-in diaphragm. The lens group comprises first and second plastic lenses which are coaxially and sequentially arranged from an object side to an image side. The optical filter is positioned behind the second lens and far away from the object side. The first lens is an aspheric biconvex lens with diopter power and comprises a first aspheric surface which protrudes toward the object side and a second aspheric surface which protrudes toward the image side. The second lens is an aspheric lens with diopter power and comprises a third aspheric surface which protrudes toward the object side and a fourth aspheric surface which protrudes toward the image side, wherein the third and fourth aspheric surfaces are opposite to each other. The built-in diaphragm is positioned in front of the first lens and close to the object side. An arched structure of one lens of the microcamera lens can effectively inhibit stray light. By allocating the structure and the arrangement way of each lens, the microcamera lens assembly can effectively shorten the total length of the lenses and obtain high imaging quality.
Description
Technical field
The present invention relates to the micro pick-up lens assembly of image devices such as a kind of outfit CCD (charge-coupled image sensor) or CMOS.
Background technology
In recent years, along with multimedia development, increasing to the demand of carrying the image-finding element that on laptop computer and videophone and mobile phone etc., has used solid imaging devices such as CCD or COMS.Digital product is brought in constant renewal in and is regenerated, and develops to compact direction day by day.Thereby the camera lens that is provided in the digital image-forming equipment had more and more higher requirement, it not only needs to have good image quality, also needs smaller volume and lower cost.At present, many employing aspheric surface glass lens or aspheric surface modeling glass lens are as the optical module of shooting eyeglass, to obtain preferable image quality in the industrial community.For effective color difference eliminating, two lens need select for use Abbe number to differ bigger optical material respectively.ZL03152406 discloses a kind of pick-up lens, and it has adopted overall plastic material, be easy to processing, but its focal length is about 3.9, and optics length overall 5.5mm does not reach the compact requirement of present digital product far away.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of can well-corrected various aberrations, total length, the little and micro pick-up lens assembly cheaply of volume.
Its technical matters is solved by following technical scheme: a kind of micro pick-up lens assembly, comprise lens set, optical filter and fixed aperture, this lens set comprises plastics first eyeglass and second eyeglass coaxial and that be arranged in order from object space to picture side, optical filter is positioned at after second eyeglass, described first eyeglass is the aspheric surface biconvex lens with positive diopter, and it comprises protruding first aspheric surface to object space and protruding in picture side's second aspheric surface; Described second eyeglass is the non-spherical lens with positive diopter, and it comprises protruding the 3rd aspheric surface and recessed the 4th aspheric surface to picture side to object space, and the 3rd aspheric surface is relative with second aspheric surface, and described fixed aperture is positioned at before described first eyeglass; Described micro pick-up lens assembly satisfies following relational expression:
1.25＜|L/f|＜1.5；
0.5＜|f/f1|＜0.8；
0.5＜|f/f2|＜1；
Wherein: f1 is the focal length of first eyeglass; F2 is the focal length of second eyeglass; F is the effective focal length of whole micro pick-up lens assembly, and the lens optical length overall is the micro pick-up lens assembly towards first distance to imaging surface of object plane is L.
The invention has the beneficial effects as follows: it adopts the aspheric surface design fully, by the optimization to asphericity coefficient, revises various aberrations, also can avoid the spherical aberration because of adopting spherical mirror to produce, and has improved image quality.This lens design, fixed aperture places the place ahead, make lens construction simple, length overall is little, and the optics length overall is less than 2.2mm, because of it adopts the all-plastic material, processing is simple, reduced processing cost, strengthened its impact resistance simultaneously, wherein the bow-shaped structural of the micro pick-up lens assembly eyeglass can effectively be restrained parasitic light; By the structure to each eyeglass, the configuration of arrangement mode can effectively reduce the camera lens length overall and obtain high image quality.
Description of drawings
Fig. 1 is the optical assembly structure synoptic diagram of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 2 is MTF (modulation transfer function) curve map of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 3 is the optical distortion synoptic diagram of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 4 is the optics curvature of field synoptic diagram of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 5 is the transverse axis aberration synoptic diagram of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 6 is the spherical aberration synoptic diagram of micro pick-up lens assembly embodiment 1 of the present invention.
Fig. 7 is the optical assembly structure synoptic diagram of micro pick-up lens assembly embodiment 2 of the present invention.
Fig. 8 is MTF (modulation transfer function) curve map of micro pick-up lens assembly embodiment 2 of the present invention.
Fig. 9 is the optical distortion synoptic diagram of micro pick-up lens assembly embodiment 2 of the present invention.
Figure 10 is the optical field diagram of micro pick-up lens assembly embodiment 2 of the present invention.
Figure 11 is the transverse axis aberration synoptic diagram of micro pick-up lens assembly embodiment 2 of the present invention.
Figure 12 is the spherical aberration synoptic diagram of micro pick-up lens assembly embodiment 2 of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Fig. 1 to 12, a kind of micro pick-up lens assembly, comprise lens set, optical filter and fixed aperture, this lens set is by forming with optical axis and from first eyeglass 1 and second eyeglass 2 that object space is arranged in turn to picture side, optical filter 3 is positioned at second eyeglass, 2 backs away from object space, wherein first eyeglass 1 is for having the aspheric surface biconvex lens of positive diopter, and it comprises the protruding first aspheric surface R1 to object space and protruding in the picture side second aspheric surface R2; Wherein second eyeglass 2 is for having the non-spherical lens of positive diopter, it comprises protruding the 3rd aspheric surface R3 and recessed the 4th aspheric surface R4 to picture side to object space, the 3rd aspheric surface R3 is relative with the second aspheric surface R2, and it is preceding near object space that fixed aperture (not marking among the figure) is positioned at first eyeglass 1.Wherein first eyeglass 1, second eyeglass 2 and optical filter 3 are all about optical axis 4 symmetries.Center thickness＜the 1.0mm of first eyeglass 1 wherein, the center thickness＜1.0mm of second eyeglass 2.Refractive index n 1 scope of first eyeglass 1 is 1.49＜n1＜1.56, and chromatic dispersion v1 scope is 52＜v1＜58.Preferably, first lens 1 adopt the plastic material of ZEONEX.Refractive index n 2 scopes of its second eyeglass 2 are 1.49＜n2＜1.56, and chromatic dispersion v2 scope is 52＜v2＜58.Preferably, second lens 2 adopt the plastic material of ZEONEX.Optical filter 3 is a sheet glass, and wherein optical filter 3 is located at after second eyeglass 2, and is relative with the 4th aspheric surface R4 of second eyeglass 2.It comprises the first parallel-plate face 31 and the second parallel-plate face 32.Optical filter 3 materials are BK7, and refractive index and chromatic dispersion are respectively n3=1.5168, v3=64.17.In addition, optical filter 3 at least one coating surface one decks are infrared by filter membrane (IR-cut Coating), come from Infrared in the object reflection ray with filtering, thereby improve image quality, do not influence the focal length of optical system.Above-mentioned lens shape is all the axisymmetric eyeglass, and material is all plastics.The 3rd aspheric surface R3 up and down two ends is that the plane middle position protrudes to object space, and the 4th aspheric surface R4 two ends up and down rises and falls and middle position protrudes to object space.It is a bow-shaped structural, and this structure can focus on each visual-field beam, can effectively restrain parasitic light.
Above-mentioned camera lens meets the following conditions:
1.25＜|L/f|＜1.5；
0.5＜|f/f1|＜0.8；
0.5＜|f/f2|＜1；
Wherein, f1 is the focal length of first eyeglass 1; F2 is the focal length of second eyeglass 2; F is the effective focal length of whole micro pick-up lens assembly, and lens optical length overall (the micro pick-up lens assembly is towards first distance to imaging surface of object plane) is L.
Above-mentioned first eyeglass 1 and second eyeglass 2 can improve the lens imaging performance by adjusting asphericity coefficient, the first aspheric surface R1 wherein, and the second aspheric surface R2, the 3rd aspheric surface R3, the design of the 4th aspheric surface R4 all need be satisfied following aspheric surface formula:
Wherein: z is with each aspheric surface R1, R2, and R3, R4 and optical axis 4 intersection points are starting point, the axial value of vertical optical axis 4 directions, i.e. minute surface depth value is because of selected lens shape is the axisymmetric eyeglass, so this aspheric surface formula is all got the even item.Each aspheric surface R1 wherein, R2, R3, the R4 coefficient is determined aspheric shape by above formula; K is the quadric surface coefficient; C=1/R, wherein R is a minute surface curvature of centre radius, c is the minute surface curvature of centre; R is the minute surface centre-height; A1, a2, a3, a4...... are asphericity coefficient.
Extremely shown in Figure 6 as Fig. 1, be first embodiment of the present invention, the material that first eyeglass 1 and second eyeglass 2 use preferably is the optical plastic ZEONEX of high dispersion values, it can influence by fine color difference eliminating, improves resolution of lens, and the material of optical filter 3 is preferably BK7, table 1 and table 2 have provided preferable minute surface curvature of centre radius R value (minute surface parameter) and asphericity coefficient a1, a2, a3, the parameter scheme of a4 (asphericity coefficient parameter).
Table 1 minute surface parameter
Thickness (at interval) in the last table refers to the distance of this face to next face, as above in the table in the first aspheric surface row thickness be 0.63, promptly refer in first eyeglass before the distance of one side and back one side, the i.e. thickness of first eyeglass.And thickness 0.34 in the second aspheric surface row refers to this face and arrives the distance of one side (i.e. first face of second eyeglass) down, the interval between the eyeglass that just be meant this moment.
Table 2 asphericity coefficient parameter
| Type | a1 | a2 | a3 | a4 |
| First aspheric surface | -0.01557482 | 10.585736 | -150.0867 | 1416.2887 |
| Second aspheric surface | -0.54696714 | 0.1419054 | -1.997462 | 1.1296533 |
| The 3rd aspheric surface | 0.02797186 | -0.13548259 | -0.501456 | -0.760925 |
| The 4th aspheric surface | 0.22783322 | -1.0908944 | 0.0295448 | 0.159057 |
In the foregoing description, L=2.18mm, L/f ≈ 1.42; | f/f1| ≈ 0.51; | f/f2| ≈ 0.60, burnt behind the optics (last one side was not to the distance of imaging surface when the miniature video camera assembly did not comprise optical filter) is Lh=0.33mm.
Fig. 2 is modulation transfer function (Modulation Transfer Function the is called for short MTF) curve map of micro pick-up lens assembly, transverse axis representation space frequency among the figure, and unit: line is to every millimeter (1p/mm); The longitudinal axis is represented the numerical value of modulation transfer function (MTF), and the numerical value of described MTF is used for estimating the image quality of camera lens, and span is 0-1, and the image quality of the high more straight more expression camera lens of MTF curve is good more, and is strong more to the reducing power of true picture.As can be seen from Figure 2, the MTF curve of each visual field meridian direction (T) and sagitta of arc direction (S) direction very close to, it shows: this lens assembly is in each visual field, the imaging performance of meridian direction (T) and this both direction of sagitta of arc direction (S) has good consistance, can guarantee that lens assembly can both blur-free imaging on whole imaging surface, and clear, ill-defined situation in the middle of can not occurring.
Fig. 3 and Fig. 4 are respectively the distortion figure and the curvature of field figure of micro pick-up lens assembly first embodiment of the present invention, and from Fig. 3 and Fig. 4 as can be seen, the curvature of field of this optical lens assembly is less than 0.10mm, and distortion is less than 2%; Controlled the incident angle of light on every simultaneously less than 28 °, eliminated overall plastic structure of ghost phenomenon while to a certain extent and also greatly reduced production cost.Can cooperate the requirement of complementary metal oxide semiconductor (CMOS) (CMOS)/Charge Coupled Device (CCD) (Charge Coupled Device is called for short CCD) image sensor reception of main flow on the market.
Fig. 5 is the chromaticity difference diagram of micro pick-up lens assembly first embodiment of the present invention, and as can be seen from Figure 5, the lateral chromatic aberration of this optical lens assembly drops within the Airy disk range of size less than 5 μ m.
See also Fig. 7 to Figure 12, it is second embodiment of the present invention.Table 3 and table 4 have provided preferable minute surface curvature of centre radius R value (minute surface parameter) and asphericity coefficient a1, a2, a3, the parameter scheme of a4 (asphericity coefficient parameter).
Table 3 minute surface parameter
Table 4 asphericity coefficient parameter
| Type | a1 | a2 | a3 | a4 |
| First aspheric surface | 1.3618521 | -26.956264 | 214.28526 | -1663.954 |
| Second aspheric surface | -0.4790831 | 0.5644126 | 5.2503 | -22.58335 |
| The 3rd aspheric surface | 0.02366979 | -1.8862969 | 1.8521632 | -3.445996 |
| The 4th aspheric surface | 0.5584045 | -2.606522 | 3.9759664 | -1.043865 |
In the foregoing description, L=2.2mm, L/f ≈ 1.46; | f/f1| ≈ 0.50; | f/f2| ≈ 0.58, burnt behind the optics (last one side was not to the distance of imaging surface when the miniature video camera assembly did not comprise optical filter) is Lh=0.38mm.
Fig. 8 is modulation transfer function (Modulation Transfer Function the is called for short MTF) curve map of micro pick-up lens assembly, transverse axis representation space frequency among the figure, and unit: line is to every millimeter (1p/mm); The longitudinal axis is represented the numerical value of modulation transfer function (MTF), and the numerical value of described MTF is used for estimating the image quality of camera lens, and span is 0-1, and the image quality of the high more straight more expression camera lens of MTF curve is good more, and is strong more to the reducing power of true picture.As can be seen from Figure 2, the MTF curve of each visual field meridian direction (T) and sagitta of arc direction (S) direction very close to, it shows: this lens assembly is in each visual field, the imaging performance of meridian direction (T) and this both direction of sagitta of arc direction (S) has good consistance, can guarantee that lens assembly can both blur-free imaging on whole imaging surface, and clear, ill-defined situation in the middle of can not occurring.
Fig. 9 and Figure 10 are respectively the distortion figure and the curvature of field figure of micro pick-up lens assembly second embodiment of the present invention, and from Fig. 9 and Figure 10 as can be seen, the curvature of field of this micro pick-up lens assembly is less than 0.20mm, and distortion is less than 2%; Controlled the incident angle of light on every simultaneously less than 28 °, eliminated overall plastic structure of ghost phenomenon while to a certain extent and also greatly reduced production cost.Can cooperate the requirement of complementary metal oxide semiconductor (CMOS) (CMOS)/Charge Coupled Device (CCD) (Charge Coupled Device is called for short CCD) image sensor reception of main flow on the market.
Figure 11 is the chromaticity difference diagram of micro pick-up lens assembly second embodiment of the present invention, and as can be seen from Figure 5, the lateral chromatic aberration of this micro pick-up lens assembly drops within the Airy disk range of size less than 5 μ m.
Micro pick-up lens of the present invention includes the lens group of first eyeglass 1 and second eyeglass 2, first eyeglass 1 is the biconvex positive lens, second eyeglass 2 is protruding positive lens to object plane, and the bow-shaped structural of an eyeglass can focus on each visual-field beam, can effectively restrain parasitic light; By the structure to each eyeglass of lens group, the configuration of arrangement mode can effectively reduce the camera lens height overall and obtain high image quality simultaneously.Each eyeglass is plastics and makes, and cost is low and simple.Micro pick-up lens also comprises optical filter 3, and fixed aperture places (towards the object plane end) foremost of whole lens group, is easy to production and processing control, and makes one-piece construction simple, compactness.
Micro pick-up lens of the present invention is applicable to small-sized digital vedio recording system, as digital camera, and the optical lens for shooting of systems such as high pixel cell-phone camera module.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. micro pick-up lens assembly, comprise lens set, optical filter and fixed aperture, it is characterized in that: described lens set comprises plastics first eyeglass and second eyeglass coaxial and that be arranged in order from object space to picture side, described optical filter is positioned at after described second eyeglass, described first eyeglass is the aspheric surface biconvex lens with positive diopter, and it comprises protruding first aspheric surface to object space and protruding in picture side's second aspheric surface; Described second eyeglass is the non-spherical lens with positive diopter, and it comprises protruding the 3rd aspheric surface and recessed the 4th aspheric surface to picture side to object space, and the 3rd aspheric surface is relative with second aspheric surface, and described fixed aperture is positioned at before described first eyeglass; Described micro pick-up lens assembly satisfies following relational expression:
1.25＜|L/f|＜1.5；
0.5＜|f/f1|＜0.8；
0.5＜|f/f2|＜1；
Wherein: f1 is the focal length of first eyeglass; F2 is the focal length of second eyeglass; F is the effective focal length of whole micro pick-up lens assembly, and the lens optical length overall is the micro pick-up lens assembly towards first distance to imaging surface of object plane is L.
2. a kind of micro pick-up lens assembly according to claim 1 is characterized in that: described the 3rd aspheric surface up and down two ends is that the plane middle position protrudes to object space, and described the 4th aspheric surface two ends up and down rises and falls and middle position protrudes to object space.
3. a kind of micro pick-up lens assembly according to claim 1 is characterized in that: the center thickness＜1.0mm of described first eyeglass and described second eyeglass.
4. a kind of micro pick-up lens assembly according to claim 1, it is characterized in that: refractive index n 1 scope of described first eyeglass is 1.49＜n1＜1.56, chromatic dispersion v1 scope is 52＜v1＜58, refractive index n 2 scopes of described second eyeglass are 1.49＜n2＜1.56, and chromatic dispersion v2 scope is 52＜v2＜58.
5. according to the arbitrary described a kind of micro pick-up lens assembly of claim 1 to 4, it is characterized in that: described aspheric type satisfies following formula:
Wherein: z is with each aspheric surface R1, R2, and R3, R4 and optical axes crosspoint are starting point, the axial axial value of vertical light, i.e. minute surface depth value, each aspheric surface R1 wherein, R2, R3, the R4 coefficient is determined aspheric shape by above formula; K is the quadric surface coefficient; C=1/R, wherein R is a minute surface curvature of centre radius, c is the minute surface curvature of centre; R is the minute surface centre-height; A1, a2, a3, a4 are asphericity coefficient.
6. a kind of micro pick-up lens assembly according to claim 5 is characterized in that:
The minute surface parameter of described lens assembly is:
The asphericity coefficient parameter is:
7. a kind of micro pick-up lens assembly according to claim 5 is characterized in that: the minute surface parameter of described lens assembly is:
The asphericity coefficient parameter is:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101422804A CN101644821B (en) | 2008-08-08 | 2008-08-08 | Microcamera lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101422804A CN101644821B (en) | 2008-08-08 | 2008-08-08 | Microcamera lens assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101644821A CN101644821A (en) | 2010-02-10 |
| CN101644821B true CN101644821B (en) | 2011-12-14 |
Family
ID=41656774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101422804A Active CN101644821B (en) | 2008-08-08 | 2008-08-08 | Microcamera lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644821B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435146A (en) * | 2011-12-08 | 2012-05-02 | 广州标旗电子科技有限公司 | Optical lens center thickness measuring system and method |
| CN105373140B (en) * | 2014-08-20 | 2018-04-10 | 深圳Tcl新技术有限公司 | Light source tracking method and system |
| CN106324862A (en) * | 2016-08-22 | 2017-01-11 | 苏州倍声声学技术有限公司 | Intelligentized multifunctional communication glasses |
| CN114545607B (en) * | 2022-01-26 | 2023-04-07 | 北京理工大学 | Miniature ultra-close large-depth-of-field compound eye imaging system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740838A (en) * | 2004-08-27 | 2006-03-01 | 清华大学 | Micro-camera lens system |
| CN1877383A (en) * | 2005-06-10 | 2006-12-13 | 亚洲光学股份有限公司 | Minisized imaging lens |
-
2008
- 2008-08-08 CN CN2008101422804A patent/CN101644821B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740838A (en) * | 2004-08-27 | 2006-03-01 | 清华大学 | Micro-camera lens system |
| CN1877383A (en) * | 2005-06-10 | 2006-12-13 | 亚洲光学股份有限公司 | Minisized imaging lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101644821A (en) | 2010-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7515358B2 (en) | Optical lens system for taking image | |
| US8755131B2 (en) | Optical lens assembly for capturing images and image capture device therewith | |
| CN103513407B (en) | Zoom lens | |
| CN206505215U (en) | The big thang-kng small-sized wide-angle lens of 2.8mm | |
| CN106772941A (en) | The big thang-kng small-sized wide-angle lens of 2.8mm | |
| CN101762866B (en) | Wide-angle lens and camera | |
| CN100589008C (en) | Zoom lens | |
| CN100520478C (en) | Minisize wide-angle lens | |
| CN102360114A (en) | Monitoring lens | |
| CN101644821B (en) | Microcamera lens assembly | |
| CN109324400A (en) | A kind of 2 times of high definition zoom glass modeling camera lenses of compact type and its imaging method | |
| CN101210998B (en) | Optical lens | |
| CN109425957B (en) | Optical lens | |
| CN100520477C (en) | Imagery picking lens | |
| CN101995646A (en) | Image-taking lens system | |
| CN109324401A (en) | 3 times of economical day and night confocal high definition glass flow zoom lens of one kind and its imaging method | |
| CN209070211U (en) | A kind of 2 times of high definition zoom glass modeling camera lenses of compact type | |
| CN101937124A (en) | Optical lens component | |
| CN101685196A (en) | Optical lens component | |
| CN100568042C (en) | A kind of optical lens assembly | |
| CN201083875Y (en) | Micro-optical lens | |
| CN101639563B (en) | Optical lens component | |
| CN101598847B (en) | Small optical lens with high resolving power | |
| CN110927923B (en) | Optical lens | |
| CN102346290A (en) | Optical lens assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150902 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150902 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen BYD Electronic Component Co., Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518118 Ping Wang Ping Road No. 3001 Patentee before: Biyadi Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180212 Address after: 330006 Nanchang high tech Industrial Development Zone college in Nanchang, Nanchang, Jiangxi Province, east of the road and west of planning three Patentee after: Nanchang BYD Electronics Parts Co., Ltd. Address before: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee before: Shenzhen BYD Electronic Component Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 330006 Nanchang high tech Industrial Development Zone college in Nanchang, Nanchang, Jiangxi Province, east of the road and west of planning three Patentee after: Nanchang helitai Technology Co., Ltd Address before: 330006 Nanchang high tech Industrial Development Zone college in Nanchang, Nanchang, Jiangxi Province, east of the road and west of planning three Patentee before: NANCHANG BYD ELECTRONIC PARTS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |