CN201017093Y - High imagery quality optical lens of full plastics aspheric lens structure - Google Patents
High imagery quality optical lens of full plastics aspheric lens structure Download PDFInfo
- Publication number
- CN201017093Y CN201017093Y CNU2007200494308U CN200720049430U CN201017093Y CN 201017093 Y CN201017093 Y CN 201017093Y CN U2007200494308 U CNU2007200494308 U CN U2007200494308U CN 200720049430 U CN200720049430 U CN 200720049430U CN 201017093 Y CN201017093 Y CN 201017093Y
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- lens
- picture element
- high picture
- plastic aspheric
- element optical
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Abstract
The utility model relates to a high-pixel optical lens of a full plastic nonspherical lens structure for high-pixel mobile or high-pixel camera miniature optical lens; the utility model aims at overcoming the prior art defects and providing a high-pixel, small-volume optical lens of full plastic nonspherical lens structure which is used for digital camera and mobile. A high-pixel optical lens of a full plastic nonspherical lens structure comprises a lens barrel and a bolster; the front end of the lens barrel is equipped with a diaphragm and a first, a second and a third lenses are equipped behind the diaphragm; the first lens is a meniscus nonspherical lens and the sections of the second and third lenses are hyperbola nonspherical surfaces; the utility model is mainly used for mobiles which can take pictures.
Description
[technical field]
The utility model relates to a kind of optical lens, relates in particular to a kind of high picture element optical lens of all-plastic aspheric lens structures of the minisize optical lens that is applied to high-pixel mobile phone, high picture element camera.
[background technology]
Present camera, the such shortcoming of using of mobile phone digital camera lens ubiquity: pixel is lower, physical dimension is bigger.The camera cell phone of present main flow mainly is the low configuration camera lens of 100,000,300,000 pixels on the market, no matter captured image picture element is that the sharpness or the aspects such as homogeneity of illumination of integral body is all not ideal enough, can only can not satisfy far away to print exquisite photo as standby picture or general appreciation; And camera cell phone is bigger than normal with the profile of digital camera lens, external diameter is generally greater than 8mm, and be used for high pixel chip and be confined to adopt the CCD sensitive film, and CCD sensitization technology is controlled in the Japanese manufacturer hand, comparatively Ling Xian product is obtained very difficulty, the camera lens that is used for the CCD sensitive film simultaneously is long, and the optical system length overall is greater than 8mm, uses to seem on the built-in camera cell phone that volume is bigger.
For solving above-mentioned existing shortcoming, the utility model is made a large amount of improvement.
[utility model content]
The utility model has overcome the deficiencies in the prior art, provides a kind of high pixel, volume little, can be used in the high picture element optical lens of the all-plastic aspheric lens structures of digital camera and mobile phone.
In order to solve the technical matters of above-mentioned existence, the utility model adopts following technical proposal:
A kind of high picture element optical lens of all-plastic aspheric lens structures comprises lens barrel and bearing, is provided with diaphragm at the front end of lens barrel, is respectively equipped with first lens, second lens, the 3rd lens in the diaphragm back; It is characterized in that: described first lens are the non-spherical lens of bent moon, and the cross section of described second lens, the 3rd lens all is the aspheric surface of hyperbola;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: described first saturating first is oval aspherical shape, and second is oblate ellipsoid;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: the light-shielding sheet that is respectively equipped with the veiling glare eliminated of annular on the surface of contact of described first lens and second lens;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: the aspheric surface configuration of second lens, the 3rd lens satisfies following equation: Z=cy
2/ { 1+ √ [1-(1+k) c
2y
2]+α
1y
2+ α
2y
4+ α
3y
6+ α
4y
8+ α
5y
10+ α
6y
12+ α
7y
14+ α
8y
16
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: the system element characteristic of first lens, second lens, the 3rd lens satisfies following formula :-0.4＜f1/f234＜0, vd234P-vd234N＞30mm;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: be provided with the spacer ring that is used to guarantee the distance between the lens below second lens and between the surface of contact of the 3rd lens;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: in the cavity of described lens barrel and bearing formation, the rear portion of the 3rd lens also is provided with optical filter, and this optical filter is fixed on the bearing;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures, it is characterized in that: described lens barrel is threaded on the bearing;
The high picture element optical lens of aforesaid a kind of all-plastic aspheric lens structures is characterized in that: the material of described lens barrel, bearing, first lens, second lens and the 3rd lens is plastics.
The utility model compared with prior art has following advantage: 1, numerical digit camera lens of the present utility model can reach more than 2,000,000 pixels, and existing miniature digital-mirror is 100,000,300,000 pixels as first; 2, illumination image planes of the present utility model are whole evenly, bright, and the most centers of existing miniature numerical digit camera lens are bright, dark all around; 3, sharpness height of the present utility model, color are clearly demarcated, and color reducibility is good; 4, the utility model can be used for the CMOS sensitive film of 3,000,000 pixels; 5, the utility model has solved also that former glass is moulded the glass mirror processing difficulties in the mixed structure and the low relative problem of higher with cost of yields that causes; 6, more crucial is because native system has adopted the all-plastic material, so cost has obtained great reduction, this product is come into the market more widely, and the processing of bearing employing special material, can be used for resistant to elevated temperatures novel plug procedure for processing.
[description of drawings]
Fig. 1 is a sectional view of the present utility model;
Fig. 2 is the stereographic map that the utility model is removed base.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
A kind of high picture element optical lens of all-plastic aspheric lens structures, comprise lens barrel 1 and bearing 2, described bearing 2 adopts to be threaded and is linked on the lens barrel 1, front end at lens barrel 1 is provided with diaphragm 3, diaphragm 3 is positioned at the foremost of optical system, it can be so that the eyeglass clear aperture minimum of system, thereby makes the volume miniaturization of optical system.Be provided with first lens 4, second lens 5, the 3rd lens 6 successively in the back of diaphragm 3; Described first lens 4 are the non-spherical lens of bent moon, and first of these first lens 4 is oval aspherical shape, and second is oblate ellipsoid.The first surface of described second lens 5, the 3rd lens 6 is the aspheric surface of hyperbola, and second surface also is necessary for the aspheric surface of hyperbola, and it can make the curvature of field reduce effectively, and these the 3rd lens 6 efficiently solve the problem of various aberration equilibriums.
For reducing the change in refraction angle of light between each lens, be controlled to image distortion, need to reduce the distance between first lens 4 and second lens 5 on the structure as far as possible; Distance between second lens 5 and the 3rd lens 6 then need increase as far as possible simultaneously; For improving curvature of field aberration, the two-sided hyperbolic curve aspheric surface that is designed to of the 3rd lens 6.On the surface of contact of described first lens 4 and second lens 5, be provided with the light-shielding sheet 8 of the veiling glare eliminated of annular, lower the distortion of imaging to greatest extent.Between the surface of contact of second lens 5 and the 3rd lens 6, be provided with the spacer ring 10 that is used to guarantee the distance between the lens.
In the cavity of described lens barrel 1 and bearing 2 formation; the rear portion of the 3rd lens 6 also is provided with optical filter 9; this optical filter 9 is fixed on bearing and goes up; the below of optical filter 9 is exactly the CMOS sensitive chip; light enters from optical filter 9; 9 pairs of CMOS sensitive chips of optical filter have the certain protection effect; also filter simultaneously a part of light; has good color reducibility when making image color beautiful and sharp keen; this optical filter 9 has guaranteed that also the packaging technology of the model of back is carried out smoothly except the problem that solves the color aspect.
The aspheric surface configuration of second lens 5, the 3rd lens 6 satisfies following equation: Z=cy
2/ { 1+ √ [1-1+kc
2y
2]+α
1y
2+ α
2y
4+ α
3y
6+ α
4y
8+ α
5y
10+ α
6y
12+ α
7y
14+ α
8y
16In formula, parameter c is the pairing curvature of radius, and y is radial coordinate (its unit is identical with length of lens unit), and k is the circular cone whose conic coefficient.When k-factor face deltoid less than-1 time is a hyperbolic curve, equaling at-1 o'clock is para-curve, between-1 being oval between 0 the time, equals at 0 o'clock for circular, be oblateness greater than 0 o'clock.α
1To α
8Represent the pairing coefficient of each radial coordinate respectively, can accurately set the geomery of lens front and back both-sided aspherical by above parameter.In the utility model, 4 first on first lens are oval aspherical shape, require k-factor between-1 ∽ 0, and second aspherical shape is oblate ellipsoid, and the scope of its coefficient k should be greater than 1; First aspheric surface and second aspherical shape of second lens 5 and the 3rd lens 6 all are hyperbola, and its k-factor is all less than-1.
The system element characteristic of first lens 4, second lens 5, the 3rd lens 6 satisfies following formula :-0.4＜f1/f234＜0, vd234P-vd234N＞30mm, wherein, f1 is the focal length of first lens 4, f234 is the combined focal length of second, third lens 5,6, vd23P is the abbe number of the positive lens in 5,6 groups on second, third lens, and vd23N is the abbe number of the negative lens in 5,6 groups on second, third lens.
Because lens barrel 1, bearing 2, first lens 4, second lens 5 and the 3rd lens 6 are combined very small and exquisite, the external diameter of lens has solved the bigger problem of existing external diameter all less than more than the 8mm; There is the utility model all to adopt plastic production again, so cost has obtained great reduction, this product is come into the market more widely, and bearing 2 adopts special material processing, can be used for resistant to elevated temperatures novel plug procedure for processing, because the utility model adopts the combination between eyeglass cleverly, its numerical digit camera lens can reach more than 2,000,000 pixels, small and exquisite practicality.
Claims (9)
1. the high picture element optical lens of an all-plastic aspheric lens structures comprises lens barrel (1) and bearing (2), is provided with diaphragm (3) at the front end of lens barrel (1), is respectively equipped with first lens (4), second lens (5), the 3rd lens (6) in diaphragm (3) back; It is characterized in that: described first lens (4) are the non-spherical lens of bent moon, and the cross section of described second lens (5), the 3rd lens (6) all is the aspheric surface of hyperbola.
2. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 1 is characterized in that: first of described first lens (4) is oval aspherical shape, and second is oblate ellipsoid.
3. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 2 is characterized in that: the light-shielding sheet (8) that is respectively equipped with the veiling glare eliminated of annular on the surface of contact of described first lens (4) and second lens (5).
4. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 1 and 2 is characterized in that: the aspheric surface configuration of second lens (5), the 3rd lens (6) satisfies following equation: Z=cy
2/ { 1+ √ [1-(1+k) c
2y
2]+α
1y
2+ α
2y
4+ α
3y
6+ α
4y
8+ α
5y
10+ α
6y
12+ α
7y
14+ α
8y
16
5. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 1 and 2, it is characterized in that: the system element characteristic of first lens (4), second lens (5), the 3rd lens (6) satisfies following formula :-0.4＜f1/f234＜0, vd234P-vd234N＞30mm.
6. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 2 is characterized in that: be provided with the spacer ring (10) that is used to guarantee the distance between the lens between the surface of contact of the below of second lens (5) and the 3rd lens (6).
7. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 1, it is characterized in that: in the cavity of described lens barrel (1) and bearing (2) formation, the rear portion of the 3rd lens (6) also is provided with optical filter (9), and this optical filter (9) is fixed on the bearing.
8. the high picture element optical lens of a kind of all-plastic aspheric lens structures according to claim 1 is characterized in that: described lens barrel (1) is threaded on the bearing (2).
9. according to the high picture element optical lens of claim 1 or 2 or 3 or 6 or 7 or 8 described a kind of all-plastic aspheric lens structures, it is characterized in that: the material of described lens barrel (1), bearing (2), first lens (4), second lens (5) and the 3rd lens (6) is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200494308U CN201017093Y (en) | 2007-03-21 | 2007-03-21 | High imagery quality optical lens of full plastics aspheric lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200494308U CN201017093Y (en) | 2007-03-21 | 2007-03-21 | High imagery quality optical lens of full plastics aspheric lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201017093Y true CN201017093Y (en) | 2008-02-06 |
Family
ID=39057589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200494308U Expired - Fee Related CN201017093Y (en) | 2007-03-21 | 2007-03-21 | High imagery quality optical lens of full plastics aspheric lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201017093Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053330A (en) * | 2009-11-09 | 2011-05-11 | 富士胶片株式会社 | Lens module and shooting unit |
| CN102565889A (en) * | 2010-12-29 | 2012-07-11 | 三星电机株式会社 | Lens module, lens wafer module, and method of manufacturing lens module |
| CN102650719A (en) * | 2011-02-25 | 2012-08-29 | 采钰科技股份有限公司 | Image capture lens module and wafer level packaged image capture devices |
| CN102928959A (en) * | 2012-10-20 | 2013-02-13 | 中山联合光电科技有限公司 | High-pixel and small-size optical system |
| CN104142569A (en) * | 2014-08-19 | 2014-11-12 | 中山联合光电科技有限公司 | Small-size, high-resolution and large-image-surface zoom optical system |
| CN104516091A (en) * | 2014-12-25 | 2015-04-15 | 中山联合光电科技有限公司 | High-low temperature infrared confocal optical system with high resolution and low cost |
| CN107728283A (en) * | 2017-11-24 | 2018-02-23 | 中山依瓦塔光学有限公司 | The white fish eye lens of leakproof |
| CN107748424A (en) * | 2017-11-24 | 2018-03-02 | 中山依瓦塔光学有限公司 | Fish eye lens outward appearance leaks white ameliorative way |
| CN107971825A (en) * | 2016-10-24 | 2018-05-01 | 德国波龙科技有限公司 | For measuring the measuring system of instrument in lathe |
-
2007
- 2007-03-21 CN CNU2007200494308U patent/CN201017093Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053330A (en) * | 2009-11-09 | 2011-05-11 | 富士胶片株式会社 | Lens module and shooting unit |
| CN102565889A (en) * | 2010-12-29 | 2012-07-11 | 三星电机株式会社 | Lens module, lens wafer module, and method of manufacturing lens module |
| CN102650719A (en) * | 2011-02-25 | 2012-08-29 | 采钰科技股份有限公司 | Image capture lens module and wafer level packaged image capture devices |
| CN102650719B (en) * | 2011-02-25 | 2014-02-12 | 采钰科技股份有限公司 | Image capture lens module and wafer level packaged image capture devices |
| CN102928959A (en) * | 2012-10-20 | 2013-02-13 | 中山联合光电科技有限公司 | High-pixel and small-size optical system |
| CN104142569A (en) * | 2014-08-19 | 2014-11-12 | 中山联合光电科技有限公司 | Small-size, high-resolution and large-image-surface zoom optical system |
| CN104516091A (en) * | 2014-12-25 | 2015-04-15 | 中山联合光电科技有限公司 | High-low temperature infrared confocal optical system with high resolution and low cost |
| CN107971825A (en) * | 2016-10-24 | 2018-05-01 | 德国波龙科技有限公司 | For measuring the measuring system of instrument in lathe |
| CN107971825B (en) * | 2016-10-24 | 2021-09-03 | 德国波龙科技有限公司 | Measuring system for measuring tools in machine tools |
| CN107728283A (en) * | 2017-11-24 | 2018-02-23 | 中山依瓦塔光学有限公司 | The white fish eye lens of leakproof |
| CN107748424A (en) * | 2017-11-24 | 2018-03-02 | 中山依瓦塔光学有限公司 | Fish eye lens outward appearance leaks white ameliorative way |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20110321 |