CN103364912A - Optical lens group - Google Patents
Optical lens group Download PDFInfo
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- CN103364912A CN103364912A CN2012101049247A CN201210104924A CN103364912A CN 103364912 A CN103364912 A CN 103364912A CN 2012101049247 A CN2012101049247 A CN 2012101049247A CN 201210104924 A CN201210104924 A CN 201210104924A CN 103364912 A CN103364912 A CN 103364912A
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- lens
- binder
- lens group
- refractive index
- optical lens
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Abstract
An optical lens group comprises a first lens, an adhesion object and a second lens, wherein the adhesion object is made of a high molecular polymer material, has the adhering property and is used for adhering the opposite lens faces of the first and second lenses; and in addition, the lighting passing rate of the adhesion object is larger than 70%, and accords with the following conditions: |n3-n1| is smaller than 0.5 and |n3-n2| is smaller than 0.5, wherein n1 is the refractive index of the first lens, n2 is the refractive index of the second lens and n3 is the refractive index of the adhesion object.
Description
Technical field
The present invention is relevant with optical element, in more detail refers to a kind of optical lens group.
Background technology
In recent years, progress along with optics science and technology, such as charge coupled cell (Charge coupled Device, CCD) or complementary matal-oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS) ... be used in large quantities such as digital camera or mobile phone Deng image capturing device ... on image documentation equipment (image pick-up apparatus).Along with the in recent years miniaturization of these image documentation equipments, above-mentioned image capturing device and the volume that is applied in the camera lens on the above-mentioned image documentation equipment are also dwindled significantly.
See also Fig. 1, the existing employed optical lens group 2 of miniaturization camera lens includes a first lens 40 and and is stacked over the second lens 50 on this first lens 40, and this first lens 40 and these second lens 50 are fixed with top 41 by the bottom 51 of binding mutually its both sides, and between this first lens 40 and these the second lens 50 relative minute surfaces 42,52 then with air as medium.
Yet, though above-mentioned set-up mode can reach by stacking bonding lens 40,50 effect of miniaturization camera lens, but it is between the two with air during as medium, because of air and lens 40,50 refringence larger, see also Fig. 2, when light L2 penetrated, the light side-play amount in the time of will be because of change of medium was large, and then easily so that the whole penetrance of light L2 is low.In addition, for proofreading and correct the aerial large shift phenomenon of light L2, then must increase the spacing between this first lens 40 and these the second lens 50 relative minute surfaces 42,52, and so that the increase of the arrangement thickness of this optical lens group 2, and against the design concept of the miniaturization of image documentation equipment.Be with, the design of existing optical lens group 2 is not attained perfect yet, and the part that still haves much room for improvement.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of optical lens group, the light side-play amount in the time of can effectively reducing light penetration, the whole penetrance of lifting light, and also can effectively lower the arrangement thickness of this lens combination, and then reach the purpose of miniaturization.
Edge is to reach above-mentioned purpose, and optical lens group provided by the present invention includes a first lens, a binder and one second lens of sequentially arranging, and wherein, this binder is to make with the macromolecular compound material; This binder has gummed characteristic and while this first lens of gluing minute surface relative with these the second lens; In addition, the light transmittance of this binder is greater than 70%, and meets following condition:
| n3-n1|＜0.5; And
|n3-n2|＜0.5；
N1 is the refractive index of this first lens;
N2 is the refractive index of these the second lens;
N3 is the refractive index of this binder.
According to above-mentioned design, be formed with a space between this first lens minute surface relative with these the second lens; This binder is arranged in this space with this first lens of while gluing minute surface relative with these the second lens.
According to above-mentioned design, the thickness of this binder is greater than 1 micron (μ m).
According to above-mentioned design, the refractive index of this binder is greater than 1 and less than 2.
According to above-mentioned design, the refractive index of this binder is 1.2-1.8.
According to above-mentioned design, the bonding strength of this binder is greater than 1kgf/m
2
According to above-mentioned design, the bonding strength of this binder is greater than 500gf/mm
2
According to above-mentioned design, the radius-of-curvature of the minute surface that this first lens is relative with these the second lens is to be not the mutually state of complementation.
According to above-mentioned design, the light transmittance of this binder is greater than 95%.
The invention has the beneficial effects as follows, the light side-play amount when it can reduce light penetration effectively, and can promote the whole penetrance of light, and also can effectively lower the arrangement thickness of this lens combination, and then effectively reach the purpose of miniaturization.
Description of drawings
For being illustrated more clearly in the present invention, below enumerate preferred embodiment and cooperate accompanying drawing to be described in detail as follows, wherein:
Fig. 1 is the structural drawing of existing optical lens group.
Index path when Fig. 2 is the existing optical lens group of light penetration.
Fig. 3 is the structural drawing of optical lens group of the present invention.
Index path when Fig. 4 is light penetration optical lens group of the present invention.
Embodiment
See also Fig. 3, the optical lens group 1 of preferred embodiment of the present invention, it includes a first lens 10, a binder 30 and one second lens 20 of sequentially arranging, wherein:
Be formed with a space S between the relative minute surface 11,21 of this first lens 10 and these the second lens 20, and the minute surface 11 that this first lens 10 and this second lens 20 are relative, 21 radius-of-curvature (radius of curvature) are the states that is not complementary mutually, in other words, the numerical value after the radius-of-curvature addition of this minute surface 11 and this minute surface 21 is not equal to 0.In addition, in the present embodiment, this first lens 10 is 1.5 with the refractive index of these the second lens 20, but not as limit.
This binder 30 is to make with the macromolecular compound material.This binder 30 has the gummed characteristic and is arranged in this space S with the relative minute surface 11,21 of this first lens 10 of while gluing and this second lens 20, and the bonding strength behind the gluing is greater than 1kgf/m
2And in the present embodiment, this binder 30 is to select bonding strength greater than 500gf/mm
2The macromolecular compound material, and can reach better bonding effect.
In addition, this binder 30 is except having better adhering characteristic, and the material of selecting also must meet following condition:
1) light transmittance is greater than 70%
2) | n3-n1|＜0.5; And
3)|n3-n2|＜0.5；
Wherein, n1 is the refractive index of these the first saturating 10 mirrors; N2 is the refractive index of these the second lens 20; N3 is the refractive index of this binder 30.And be the effect that reaches above-mentioned, the light transmittance of this binder 30 that the present embodiment is selected is greater than 95%, and its refractive index n 3 is greater than 1 and less than 2, and wherein take the refractive index effect better as 1.2-1.8 has.Certainly, on actual applying, not as limit, the refractive index n 3 of this binder 30 also can change from the different of these the second lens 20 refractive indexes to some extent according to this first lens 10.
It is worth mentioning that, because of the relation of wavelength of light, in the present embodiment, these binder 30 thickness are greater than 1 micron (μ m), and so that light when passing this binder 30, can be subjected to the material of this binder 30 to affect to reach the effect that changes optical characteristics.
Thus, see also Fig. 4, when light L1 penetrates, this binder 30 and described lens 10,20 penetrate rate variance less than 0.5 design, can reduce the light side-play amount of light L1 when change of medium, and can promote the whole penetrance of light L1.In addition, when selecting the binder 30 with different optical effect, can needn't a plurality of lens be set storehouse, can reach the purpose that changes optical characteristics, can effectively lower the arrangement thickness of this optical lens group 1, and then effectively reach the purpose of miniaturization.
The above only is the better possible embodiments of the present invention, and the equivalent structure that every application instructions of the present invention and claim are done and method for making change, and ought to be included in the claim scope of the present invention.
Claims (9)
1. an optical lens group includes a first lens, a binder and one second lens sequentially arranged, wherein:
This binder is made with the macromolecular compound material; This binder has gummed characteristic and while this first lens of gluing minute surface relative with these the second lens; In addition, the light transmittance of this binder is greater than 70%, and meets following condition:
| n3-n1|＜0.5; And | n3-n2|＜0.5; Wherein,
N1 is the refractive index of this first lens;
N2 is the refractive index of these the second lens;
N3 is the refractive index of this binder.
2. optical lens group as claimed in claim 1 wherein, is formed with a space between this first lens minute surface relative with these the second lens; This binder is arranged in this space with this first lens of while gluing minute surface relative with these the second lens.
3. optical lens group as claimed in claim 1, wherein, the thickness of this binder is greater than 1 micron.
4. optical lens group as claimed in claim 1, wherein, the refractive index of this binder is greater than 1 and less than 2.
5. optical lens group as claimed in claim 4, wherein, the refractive index of this binder is 1.2-1.8.
6. optical lens group as claimed in claim 1, wherein, the bonding strength of this binder is greater than 1kgf/m
2
7. optical lens group as claimed in claim 1, wherein, the bonding strength of this binder is greater than 500gf/mm
2
8. optical lens group as claimed in claim 1, wherein, the radius-of-curvature of the minute surface that this first lens is relative with these the second lens is not complementary mutually state.
9. optical lens group as claimed in claim 1, wherein, the light transmittance of this binder is greater than 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101049247A CN103364912A (en) | 2012-04-11 | 2012-04-11 | Optical lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101049247A CN103364912A (en) | 2012-04-11 | 2012-04-11 | Optical lens group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103364912A true CN103364912A (en) | 2013-10-23 |
Family
ID=49366653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101049247A Pending CN103364912A (en) | 2012-04-11 | 2012-04-11 | Optical lens group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103364912A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584743A (en) * | 2003-07-24 | 2005-02-23 | 三星电子株式会社 | Method of manufacturing micro-lens |
| JP2006076026A (en) * | 2004-09-07 | 2006-03-23 | Sanyo Electric Co Ltd | Composite lens, its manufacturing method and lens module |
| CN1945424A (en) * | 2003-09-09 | 2007-04-11 | 大日本印刷株式会社 | Optical sheet for permeation type screen and process for producing the same |
| US20090303600A1 (en) * | 2007-02-13 | 2009-12-10 | Nikon Vision Co., Ltd. | Achromatic lens system and optical apparatus |
| WO2011027754A1 (en) * | 2009-09-01 | 2011-03-10 | パナソニック電工株式会社 | Organic luminescent element |
-
2012
- 2012-04-11 CN CN2012101049247A patent/CN103364912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584743A (en) * | 2003-07-24 | 2005-02-23 | 三星电子株式会社 | Method of manufacturing micro-lens |
| CN1945424A (en) * | 2003-09-09 | 2007-04-11 | 大日本印刷株式会社 | Optical sheet for permeation type screen and process for producing the same |
| JP2006076026A (en) * | 2004-09-07 | 2006-03-23 | Sanyo Electric Co Ltd | Composite lens, its manufacturing method and lens module |
| US20090303600A1 (en) * | 2007-02-13 | 2009-12-10 | Nikon Vision Co., Ltd. | Achromatic lens system and optical apparatus |
| WO2011027754A1 (en) * | 2009-09-01 | 2011-03-10 | パナソニック電工株式会社 | Organic luminescent element |
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| ASS | Succession or assignment of patent right |
Owner name: GENIUS ELECTRONIC OPTICAL CO., LTD. Free format text: FORMER OWNER: GLOBAL MICRO OPTICAL CO., LTD. Effective date: 20150128 |
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Effective date of registration: 20150128 Address after: The central Taiwan Science Park Road, Taichung City, Taiwan kozia Chinese District No. 1 Applicant after: Genius Electronic Optical Co.,Ltd. Address before: Tainan City, Taiwan, China Applicant before: GLOBAL MICRO OPTICAL Co.,Ltd. |
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Owner name: GENIUS ELECTRONIC OPTICAL CO., LTD. Free format text: FORMER OWNER: GLOBAL OPTICAL CO., LTD. Effective date: 20150522 |
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Address after: Tainan City, Taiwan, China Applicant after: Global Phenix Optical Co.,Ltd. Address before: Tainan City, Taiwan, China Applicant before: GLOBAL MICRO OPTICAL Co.,Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150522 Address after: The central Taiwan Science Park Road, Taichung City, Taiwan kozia Chinese District No. 1 Applicant after: Genius Electronic Optical Co.,Ltd. Address before: Tainan City, Taiwan, China Applicant before: Global Phenix Optical Co.,Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151105 Address after: Tainan City, Taiwan, China Applicant after: Global Phenix Optical Co.,Ltd. Address before: The central Taiwan Science Park Road, Taichung City, Taiwan kozia Chinese District No. 1 Applicant before: Genius Electronic Optical Co.,Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20131023 |