CN202033511U - Camera lens - Google Patents
Camera lens Download PDFInfo
- Publication number
- CN202033511U CN202033511U CN2011201211586U CN201120121158U CN202033511U CN 202033511 U CN202033511 U CN 202033511U CN 2011201211586 U CN2011201211586 U CN 2011201211586U CN 201120121158 U CN201120121158 U CN 201120121158U CN 202033511 U CN202033511 U CN 202033511U
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- China
- Prior art keywords
- lens
- aspherical lens
- pick
- center
- single convex
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Abstract
The utility model relates to a camera lens comprising a lens body with a light hole at the center of the end surface, a lens component arranged in the lens body and a light filter fixedly arranged on the light outgoing surface of the lens component, wherein the light transmitting center of the lens component corresponds to the position of the light hole; the lens component comprises a single convex aspherical lens and a double convex aspherical lens sharing the same diameter as the single convex aspherical lens, the light incidence surface of the double convex aspherical lens is fixed with the light outgoing surface of the single convex aspherical lens, a concave part is arranged at the center of the light outgoing surface of the double convex aspherical lens, and a circle of bulges are arranged around the concave part. In the utility model, by adopting the double convex aspherical lens, the optical path can be changed, and the luminous flux is increased, so that the imaging effect of the camera lens is better.
Description
Technical field
The utility model relates to a kind of pick-up lens, more particularly, relates to a kind of pick-up lens that is used for electronic products such as mobile phone, toy, computer.
Background technology
Use pick-up lens more and more in the electronic products such as mobile phone now, toy, security product, fingerprint module, vehicle-mounted module and carry out optical system imaging, thereby obtain more rich functions.But adopt two single convex aspherical lens (as shown in Figure 1) in these products in the pick-up lens usually, but the brightness of this eyeglass is generally not high, has had a strong impact on the image quality of product.
The utility model content
The technical problems to be solved in the utility model is that the above-mentioned defective at prior art provides a kind of pick-up lens.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of pick-up lens, comprise that the end face center has the camera lens body of light hole, is located at the intrinsic Lens assembly of described camera lens, is fixedly arranged on the optical filter of described Lens assembly exiting surface, the printing opacity center of described Lens assembly is corresponding with described light hole position;
Described Lens assembly comprise single convex aspherical lens and with the biconvex aspherical lens of described single convex aspherical lens equal diameters, the exiting surface of the incidence surface of described biconvex aspherical lens and described single convex aspherical lens is fixed; The exiting surface center of described biconvex aspherical lens is provided with depressed part, is provided with a circle projection around described depressed part.
Pick-up lens described in the utility model, wherein, the incidence surface of described biconvex aspherical lens is the arc surface of evagination, the summit of described arc surface is dropped on the axis of symmetry of described biconvex aspherical lens;
The peak of described biconvex aspherical lens projection is 0.79mm to the distance h on described arc surface summit.
Pick-up lens described in the utility model, wherein, the diameter of described arc surface is 2.9mm.
Pick-up lens described in the utility model, wherein, the minimum point of described depressed part is 0.64mm to the air line distance l on described biconvex aspherical lens arc surface summit.
Pick-up lens described in the utility model, wherein, the side thickness m of described biconvex aspherical lens is 0.5mm.
Pick-up lens described in the utility model, wherein, the incidence surface center of described single convex aspherical lens is provided with the sphere projection, the center of the exiting surface spherical concave surface that caved inward.
Pick-up lens described in the utility model, wherein, the diameter D of described sphere projection is 1.21mm, the diameter of described spherical concave surface d is 1.23mm.
Pick-up lens described in the utility model, wherein, described camera lens body comprises that the end face center is provided with the lens barrel of described light hole and the bearing of fixing with described lens barrel, and described lens barrel and described bearing surround a confined space, and described lens assembly and described optical filter are located in the described confined space.
Pick-up lens described in the utility model, wherein, also be provided with the mylar film that is used to stop refracted ray between described single convex aspherical lens and the described biconvex aspherical lens, described mylar film in the form of a ring, and the center of described mylar film is corresponding with the center of described single convex aspherical lens incidence surface.
Pick-up lens described in the utility model wherein, also is provided with between described optical filter and the described Lens assembly between the mirror that is used to reduce the airspace and encircles.
Implement pick-up lens of the present utility model, have following beneficial effect: the biconvex aspherical lens that the utility model adopts can change light path, thereby increases luminous flux, makes the imaging effect of this pick-up lens more clear.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the eyeglass that pick-up lens adopts in the prior art;
Fig. 2 is the structural representation of a kind of pick-up lens preferred embodiment of the utility model;
Fig. 3 is the structural representation of biconvex aspherical lens in a kind of pick-up lens preferred embodiment of the utility model;
Fig. 4 is the structural representation of single convex aspherical lens in a kind of camera preferred embodiment of the utility model.
Embodiment
As shown in Figure 2, in preferred embodiment of the present utility model, this pick-up lens comprises that the end face center has the camera lens body 1 of light hole 103, is located at Lens assembly 2 in the camera lens body 1, is fixedly arranged on the optical filter 3 on Lens assembly 2 exiting surfaces, printing opacity center that it should be noted that Lens assembly 2 should be corresponding with light hole 103 positions.In addition, it is worthy of note that exiting surface of being mentioned in the utility model and incidence surface all are to define with the incident of light and exit direction, i.e. the face of incident is an incidence surface, and the face of outgoing is an exiting surface.
Further, Lens assembly 2 comprise again single convex aspherical lens 201 and with the biconvex aspherical lens 202 of single convex aspherical lens 201 equal diameters, the incidence surface of the non-single convex aspherical lens 202 of biconvex and the exiting surface of single convex aspherical lens 201 are pasted fixing.Wherein, the exiting surface center of biconvex aspherical lens 202 is provided with depressed part, is provided with a circle projection around this depressed part.
As shown in Figure 3, further, the incidence surface of above-mentioned biconvex aspherical lens 202 is the arc surface of evagination, and the summit of arc surface is dropped on the axis of symmetry of this biconvex aspherical lens 202, and the peak of biconvex aspherical lens 202 projections is 0.79mm to the distance h on arc surface summit.The minimum point of depressed part is 0.64mm to the air line distance l on biconvex aspherical lens 202 arc surface summits.Wherein, the diameter of arc surface is 2.9mm.Secondly, from Fig. 3, it can also be seen that, the incidence surface of this biconvex aspherical lens 202 is also processed circular protrusion, the diameter of this projection is 3.6mm, circular protrusion mainly plays the effect of support, makes between the exiting surface of the incidence surface of biconvex aspherical lens 202 and single convex aspherical lens 201 and leaves certain clearance.
After making light see through this eyeglass, the design of the curvature of above-mentioned biconvex aspherical lens 202 obtains focus point more clearly, especially aberration and the chromatic dispersion that Zhong Jian depressed part can the revisal image, thereby the resolution of raising entire image.In addition, the employed material behavior of the brightness of camera lens and eyeglass also has relation, and as refractive index, the transmittance of material, eyeglass of the present utility model all adopts the resin dedicated material of Imported High-performance optics, as ZEONEX-480R, and OKP4HT.
Preferably, the side thickness m of biconvex aspherical lens 202 is 0.5mm.
During assembling, in camera lens body 1, be pressed into Lens assembly 2 and optical filter 3 successively earlier, need simultaneously with heat sealing machine its heat-sealing mouth to be carried out hot pressing then, detect with special-purpose camera lens image check instrument again with high magnification microexamination outward appearance.
When irradiate light during to subject, can disperse to all directions equably from the light that this subject reflects, when the light of different angles enters Lens assembly 2 by the light hole 103 of camera lens body 1 from air, light can be earlier by the incidence surface of single convex aspherical lens 201, at last from the exiting surface outgoing of biconvex aspherical lens 202.Light can be because thereby the curvature of biconvex aspherical lens 202 exiting surfaces produces refraction and reflects the direction of propagation that changes light, the light of most of reflection can be blocked or absorb, the light that passes through after optical filter 3 ends to fall the infrared ray part, pool one stand upside down up and down, the reversed left to right and reality that dwindles and being absorbed by photo-sensitive cell.
As shown in Figure 4, further, the incidence surface center of single convex aspherical lens 201 is provided with the sphere projection, the center of the exiting surface spherical concave surface that caved inward.In preferred embodiment of the present utility model, the diameter D of sphere projection is 1.21mm, and the diameter of spherical concave surface d is 1.23mm.
Preferably, camera lens body 1 comprises that the end face center is provided with the lens barrel 101 of above-mentioned light hole 103 and the bearing 102 of fixing with lens barrel 101, lens barrel 101 surrounds a confined space with bearing 102, and lens assembly 1 and optical filter 3 just are mounted in the confined space that lens barrel 101 and bearing 102 surround.
Further, also be provided with the mylar film 4 that is used to stop refracted ray between above-mentioned single convex aspherical lens 201 and the biconvex aspherical lens 202, most reflection ray is stopped by this mylar film 4 or absorbs.This mylar film 4 in the form of a ring, and is and understandable, and the center of mylar film 4 should be corresponding with the center of single convex aspherical lens 201 incidence surfaces.
Further, in order further to reduce the airspace between optical filter 3 and the Lens assembly 2, between above-mentioned optical filter 3 and Lens assembly 2, also be provided with and encircle 5 between mirror.
The biconvex aspherical lens 202 that pick-up lens of the present utility model adopts can increase luminous flux, makes the imaging effect of this pick-up lens more clear.
Above embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement in view of the above, can not limit protection domain of the present utility model.All equalizations of being done with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. pick-up lens, it is characterized in that, comprise that the end face center has the camera lens body (1) of light hole (103), is located at Lens assembly (2) in the described camera lens body (1), is fixedly arranged on the optical filter (3) of described Lens assembly (2) exiting surface, the printing opacity center of described Lens assembly (2) is corresponding with described light hole (103) position;
Described Lens assembly (2) comprise single convex aspherical lens (201) and with the biconvex aspherical lens (202) of described single convex aspherical lens (201) equal diameters, the exiting surface of the incidence surface of described biconvex aspherical lens (202) and described single convex aspherical lens (201) is fixed; The exiting surface center of described biconvex aspherical lens (202) is provided with depressed part, is provided with a circle projection around described depressed part.
2. pick-up lens according to claim 1 is characterized in that, the incidence surface of described biconvex aspherical lens (202) is the arc surface of evagination, and the summit of described arc surface is dropped on the axis of symmetry of described biconvex aspherical lens (202);
The peak of described biconvex aspherical lens (202) projection is 0.79mm to the distance h on described arc surface summit.
3. pick-up lens according to claim 2 is characterized in that, the diameter of described arc surface is 2.9mm.
4. pick-up lens according to claim 2 is characterized in that, the minimum point of described depressed part is 0.64mm to the air line distance l on described biconvex aspherical lens (202) arc surface summit.
5. pick-up lens according to claim 1 is characterized in that, the side thickness m of described biconvex aspherical lens (202) is 0.5mm.
6. pick-up lens according to claim 1 is characterized in that, the incidence surface center of described single convex aspherical lens (201) is provided with the sphere projection, the center of the exiting surface spherical concave surface that caved inward.
7. pick-up lens according to claim 6 is characterized in that, the diameter D of described sphere projection is 1.21mm, and the diameter of described spherical concave surface d is 1.23mm.
8. pick-up lens according to claim 1, it is characterized in that, described camera lens body comprises the bearing (102) that the end face center is provided with the lens barrel of described light hole (103) (101) and fixes with described lens barrel (101), described lens barrel (101) surrounds a confined space with described bearing (102), and described lens assembly (2) and described optical filter (3) are located in the described confined space.
9. pick-up lens according to claim 1, it is characterized in that, also be provided with the mylar film (4) that is used to stop refracted ray between described single convex aspherical lens (201) and the described biconvex aspherical lens (202), described mylar film (4) in the form of a ring, and the center of described mylar film (4) is corresponding with the center of described single convex aspherical lens (201) incidence surface.
10. pick-up lens according to claim 1 is characterized in that, also is provided with ring (5) between the mirror that is used to reduce the airspace between described optical filter (3) and the described Lens assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211586U CN202033511U (en) | 2011-04-22 | 2011-04-22 | Camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211586U CN202033511U (en) | 2011-04-22 | 2011-04-22 | Camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033511U true CN202033511U (en) | 2011-11-09 |
Family
ID=44895804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201211586U Expired - Fee Related CN202033511U (en) | 2011-04-22 | 2011-04-22 | Camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033511U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749699A (en) * | 2011-04-22 | 2012-10-24 | 易模塑科技（深圳）有限公司 | Camera lens |
| CN103685871A (en) * | 2012-09-06 | 2014-03-26 | 赵盾 | Method for assembling lens of camera module |
| CN110737080A (en) * | 2018-07-19 | 2020-01-31 | 新巨科技股份有限公司 | Thin imaging lens group |
| WO2020244646A1 (en) * | 2019-06-06 | 2020-12-10 | 华为技术有限公司 | Camera module having decorative film and terminal |
-
2011
- 2011-04-22 CN CN2011201211586U patent/CN202033511U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749699A (en) * | 2011-04-22 | 2012-10-24 | 易模塑科技（深圳）有限公司 | Camera lens |
| CN103685871A (en) * | 2012-09-06 | 2014-03-26 | 赵盾 | Method for assembling lens of camera module |
| CN110737080A (en) * | 2018-07-19 | 2020-01-31 | 新巨科技股份有限公司 | Thin imaging lens group |
| WO2020244646A1 (en) * | 2019-06-06 | 2020-12-10 | 华为技术有限公司 | Camera module having decorative film and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20170422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |