CN206339815U - Annular shading element and imaging lens - Google Patents
Annular shading element and imaging lens Download PDFInfo
- Publication number
- CN206339815U CN206339815U CN201621353687.8U CN201621353687U CN206339815U CN 206339815 U CN206339815 U CN 206339815U CN 201621353687 U CN201621353687 U CN 201621353687U CN 206339815 U CN206339815 U CN 206339815U
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- annular
- face
- shading element
- plane
- internal ring
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- 238000003384 imaging method Methods 0.000 title claims abstract description 24
- 230000001815 facial effect Effects 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 13
- 230000001788 irregular Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 206010052128 Glare Diseases 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model is related to a kind of optical element, specifically a kind of annular shading element and with the imaging lens for changing annular shading element, the annular shading element is comprising first end face, the second end face portion being oppositely arranged with first end face, the outer portion for being connected first end face and second end face portion, for connecting facial and second end face portion the internal ring portion of first end.Wherein, internal ring portion at least part is a plurality of spaced annular lines.Compared with the existing technology, because the internal ring portion at least part of whole annular shading element is a plurality of spaced annular lines, reflected light irregular scattering can also be allowed while internal ring portion area is increased by annular lines, to reduce the energy of reflected light, so as to reduce reflected light to the interference caused by optical system, improve the phenomenon such as ghost and credit light, lift the image quality of whole imaging lens.
Description
Technical field
The utility model is related to a kind of optical element, specifically a kind of annular applied on portable electron device
Shading element and imaging lens.
Background technology
At present, in recent years, portable electronic devices development is quick, such as intelligent electronic device, panel computer, and oneself is full of
In the life of modern, and the camera lens matrix being loaded on portable electronic devices also flourishes therewith.But with science and technology
More and more improve, user requires also more and more high for the image quality of camera lens matrix.
Wherein, shadow shield length is used in imaging lens, is the optical element for regulating and controlling light quantity, when ambient enters into
During as in camera lens, it can stop that unwanted light enters via the shadow shield being arranged in microscope group.But used in imaging lens
Though shadow shield has reached the effect of control light, when light is radiated on shadow shield, its light reflected from shadow shield,
Also whole optical system can be interfered, such as in photograph, these veiling glares generate ghost on the imaging surface of microscope group
Or the unnecessary images such as light of shining.
Therefore, when how outside excuse me line is entered in imaging lens, the light pair for reflecting and diffusing from shadow shield is reduced
The interference that optical system is caused, it is current problem to be solved to improve its image quality.
Utility model content
The utility model in order to overcome the deficiencies in the prior art there is provided a kind of annular shading element and with the annular hide
The imaging lens of optical element, can be when ambient enters in imaging lens, and effectively reduction is reflected from annular shading element
Light with diffusion is to the interference caused by optical system, to improve image quality.
To achieve these goals, the utility model provides a kind of annular shading element, comprising：
First end face；
Second end face portion, it is oppositely arranged with the first end face；
Outer portion, it connects the facial and described second end face portion of first end；
Internal ring portion, it connects the facial and described second end face portion of first end, and the internal ring portion at least part is N bars
Spaced annular lines, and the N is the natural number more than 1.
In addition, the utility model additionally provides a kind of imaging lens, comprising：
Lens barrel；
Lens group, comprising M piece lens, it is arranged in the lens barrel, and the M is the natural number more than 1；
Annular shading element as described above, its be arranged in the lens barrel and at least with least one in the lens group
Piece lens are mutually supported.
The utility model compared with the existing technology, due to internal ring portion at least part be a plurality of spaced annular line
Road, can also allow reflected light irregular scattering, to reduce reflected light by annular lines while internal ring portion area is increased
Energy, so as to reduce reflected light to the interference caused by optical system, improve the phenomenon such as ghost and credit light, improve imaging lens
The image quality of head.
Further, each annular lines is sequentially connected to form continuous helical structure.Because each lines is sequentially connected, it can enter
One step lifts the irregular dispersion effect of reflected light, so as to further reduce reflected light to the interference caused by optical system.
Further, the annular lines includes the first inclined-plane, the second inclined-plane being connected with first inclined-plane.Also,
In order to meet it is actual use and assembling demand, one end that first inclined-plane is connected with second inclined-plane be an arc surface or
For a sharp portion.
Or, the annular lines includes a vertical plane, the inclined-plane being connected with the vertical plane.Also, in order to meet reality
Border is used and assembling demand, and the vertical plane is a circular arc camber with one end that the inclined-plane is connected or is a sharp portion.
Or, the annular lines is integrally alternatively an annular circular arc lug boss.
Further, each annular lines is integrally formed with the annular shading element.Whereby, it can maintain to manufacture convenience,
And it is adapted to a large amount of productions, and facilitate the assembling of whole imaging lens simultaneously.
Further, the internal ring portion connects one end internal ring portion connection second end of the first end face
Central shaft of the one end of face close to the annular shading element.So that whole internal ring portion is inclined trend, whereby may be used
The annular shading element of lifting covers the integrality of astigmatism.
Further, the internal ring portion includes the lower edge being be arranged in parallel with the facial and described second end face portion of the first end
Face, the first section for connecting the lower edge face and first end face, connect the lower edge face and the second end face portion
Second section.Also, each annular lines is arranged on the lower edge face, on one of face on the first section and the second section
Or on multiple faces.
Brief description of the drawings
Fig. 1 is the structural representation of the annular shading element of the utility model first embodiment；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the sectional view at A-A in Fig. 2；
Fig. 4 is the partial enlarged drawing at B in Fig. 3；
Fig. 5 is the schematic diagram of annular lines on the annular shading element of the utility model second embodiment；
Fig. 6 is the schematic diagram of annular lines on the annular shading element of the embodiment of the utility model the 3rd；
Fig. 7 is the structural representation of the imaging lens of the embodiment of the utility model the 4th；
Wherein, 1 it is lens barrel, 2 be lens group, 21 to 26 be lens, 3 be anti-dazzling screen, 4 be annular shading element, 40 is
One end face, 41 be second end face portion, 42 be outer portion, 43 be internal ring portion, 431 be the first section, 432 be the second section, 433
It is annular lines for lower edge face, 434,4341 be the first inclined-plane, 4342 be the second inclined-plane, 4343 be sharp portion, 4344 is vertical
Face, 4345 are inclined-plane.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these skills
Art details and many variations based on following embodiment and modification, can also realize the required guarantor of each claim of the application
The technical scheme of shield.
First embodiment of the present utility model is related to a kind of annular shading element, as shown in Figure 1, Figure 2 and Figure 3, comprising
First end face 40, the second end face portion 41 being oppositely arranged with first end face 40, for be connected first end face 40 and second
The outer portion 42 of end face portion 41, the internal ring portion 43 for connecting first end face 40 and second end face portion 41.Wherein, with reference to Fig. 3
Shown, at least part of internal ring portion 43 is a plurality of spaced annular lines 434.
By the above it is seen that, because at least part of internal ring portion 43 of whole annular shading element 4 is a plurality of
Spaced annular lines 434, reflected light can also be allowed by annular lines 434 while 43 area of internal ring portion is increased
Irregular scattering, to reduce the energy of reflected light, so as to reduce reflected light to the interference caused by optical system, improves ghost
And the phenomenons such as light of shining, lift the image quality of whole imaging lens.
Specifically, as shown in Figures 2 and 3, in the present embodiment, internal ring portion 43 comprising one with first end face 40 and
Lower edge face 433 that second end face portion 41 be arranged in parallel, first section 431 in connection lower edge face 433 and first end face 40, connection
Lower edge face 433 and second section 432 in second end face portion 41.Meanwhile, in the present embodiment, each annular lines 434 is arranged on
On the lower edge face 433 of internal ring portion 43.Annular shading element 4 can be made by each annular lines 434 being arranged on internal ring portion 43
Reflected light irregular scattering produced by internal ring portion 43, to reduce the energy of reflected light.
It should be noted that in the present embodiment, lower edge face 433 of the annular lines 434 only to be arranged on internal ring portion 43
Illustrated exemplified by upper.And in actual application process, annular lines 434 can also be arranged on the first section of internal ring portion 43
431 or second on section 432.And in order to further enhance the dispersion effect of reflected light, each annular lines 434 can also be set simultaneously
Put on the lower edge face 433 of internal ring portion 43, the first section 431 and the second section 432, or on any two face therein.And work as
When annular lines 434 is arranged on lower edge face 433, the first section 431 and the second section 432 of internal ring portion 43 simultaneously, it can cause
The irregular scattering effect of reflected light produced by internal ring portion 43 reaches most preferably.
Also, in the present embodiment, as shown in figure 3, one end of the whole connection first end of internal ring portion 43 face 40 relatively connects
The one end in second end face portion 41 is connect close to the central shaft of whole annular shading element.I.e. the inner ring of first end face 40 to outer ring it
Between vertical range be more than the inner ring in second end face portion 41 to the vertical range between outer ring so that whole internal ring portion 43 is whole
The inclined trend of body, can lift the integrality that whole annular shading element 4 covers astigmatism whereby.
Meanwhile, the first section 431 and the second section 432 of internal ring portion 43 are an inclined-plane, and both incline direction phases
Instead.Thus it is seen that, by the way that the first section 431 and the second section 432 of internal ring portion 43 are fabricated into two incline direction phases
Anti- inclined-plane, may be such that whole annular shading element 4, in processing, can further reduce the annular edge of shading element 4 of full wafer
Thickness, to reduce from the reflected light produced by the annular edge of shading element 4, so as to can further improve the imaging of imaging lens
Quality.Simultaneously, it is necessary to explanation, in the present embodiment the first section 431 and second end face 432 incline direction on the contrary,
And in actual application process, the incline direction of first end face 431 and second end face 432 can be also designed into unanimously.
In addition, it is noted that as shown in Figure 3 and Figure 4, in the present embodiment, the above-mentioned each annular line being previously mentioned
Can be by the way of being sequentially connected, so that each annular lines 434 is monolithically fabricated a continuous spiral knot between road 434
Structure.The irregular scattering effect for the light that annular shading element 4 is reflected can be further lifted by helical structure, with further
Reduce reflected light to the interference caused by optical system.
Specifically, as shown in figure 4, each annular lines 434 in helical structure comprising the first inclined-plane 4341, with it is first oblique
The second connected inclined-plane 4342 of face 4341.And the first inclined-plane 4341 and the second inclined-plane 4342 of each annular lines 434 respectively with
The first inclined-plane 4341 or the second inclined-plane 4342 for the annular lines 434 being disposed adjacent are attached.Meanwhile, each annular lines
One end that 434 the first inclined-plane 4341 and the second inclined-plane 4342 are connected with each other is a sharp portion 4343, so that whole annular
The approximate triangular structure in section of lines 434.And as preferred scheme, the section of annular lines 434 is an isosceles
Triangle, can so cause internal ring portion 43 in reflection light, what can be more uniformly distributed enters reflected light towards all directions
Row scattering, so as to further lift the irregular dispersion effect of reflected light, reduces the reflected energy of reflected light.
Furthermore, it is desirable to explanation, in the present embodiment, the first inclined-plane 4341 of annular lines 434 and the second inclined-plane
4342 one end being connected with each other only are illustrated by taking sharp portion 4343 as an example, and in actual application process, the first inclined-plane
4341 and second the one end that is connected with each other of inclined-plane 4342 be also that can be a circular arc camber or be a plane, it is and not right herein
The shape of one end that the first inclined-plane 4341 of annular lines 434 and the second inclined-plane 4342 are connected with each other makees specific limit.
In addition, the production and assembling of annular shading element for convenience, each annular lines 434 can be with whole annular shading
Element uses integrally formed technique.
Second embodiment of the present utility model is related to a kind of annular shading element, second embodiment and the first embodiment party
Formula is roughly the same, and its main distinction is：In the first embodiment, annular lines 434 is by the first inclined-plane 4341 and second
Inclined-plane 4342 is connected with each other composition.And in the present embodiment, as shown in figure 5, annular lines 434 is by a vertical plane 4344
Composition is connected with each other with an inclined-plane 4345, so that the approximate right angled triangle in section of whole annular lines 434.
Specifically, in the present embodiment, as shown in figure 5, the vertical plane 4344 and inclined-plane 4345 of each annular lines 434
It can be configured towards the same side.
Thus it is seen that, also can be equally right by way of the Cross section Design triangle at a right angle by annular lines 434
Reflected light plays irregular dispersion effect.
3rd embodiment of the present utility model is related to a kind of annular shading element, the 3rd embodiment and first and second
Embodiment is roughly the same, and its main distinction is：In the first embodiment, annular lines 434 is by the first inclined-plane 4341
It is connected with each other and constitutes with the second inclined-plane 4342.In this second embodiment, annular lines 434 is vertical by an inclined-plane 4345 and one
Face 4344 is connected with each other composition.And in the present embodiment, as shown in fig. 6, annular lines 434 is generally an annular circle
Arc lug boss.
Specifically, in the present embodiment, as shown in fig. 6, the surface of each annular lines 434 is one unique smooth
Circular arc camber, so that it constitutes an annular circular arc lug boss.
Thus it is seen that, also can be equally to reflected light by the way that annular lines 434 is designed into the circular arc lug boss that circularizes
Play irregular dispersion effect.
4th embodiment of the present utility model is related to a kind of imaging lens, as shown in fig. 7, comprising lens barrel 1, being arranged on mirror
Lens group 2 in cylinder 1.Wherein, it is made up of in the lens group 2 multi-disc lens, and in the present embodiment, lens have six,
Respectively lens 21 are to lens 26, and it is positioned at the lens into image side, while being imaged except being located to be located at the lens 26 of the bottom of lens barrel 1
Beyond the lens 26 of side, a piece of anti-dazzling screen 3 can be provided between every adjacent two panels lens, can be to not needing by each anti-dazzling screen 3
Blocked into the light in imaging lens.
In addition, as shown in fig. 7, the imaging lens of present embodiment also include one as described in first or second embodiment
Annular shading element 4, and the annular shading element 4 is arranged in lens barrel 1, and is located at on the lens 26 of image side.
Specifically, the first end face 40 of the annular shading element 4 is used to prop up lens 25, and second end face portion 41 is used
In propping up lens 26.Thus it is seen that, by the annular shading element 4 can to need not enter imaging lens in light
While being blocked, additionally it is possible to carried out by 434 pairs of light itself reflected by annular shading element of the annular lines of itself
Irregular scattering, to reduce the energy of reflected light, so as to reduce reflected light to the interference caused by optical system, improves ghost
And the phenomenons such as light of shining, lift the image quality of whole imaging lens.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
1. a kind of annular shading element, it is characterised in that include：
First end face；
Second end face portion, it is oppositely arranged with the first end face；
Outer portion, it connects the facial and described second end face portion of first end；
Internal ring portion, it connects the facial and described second end face portion of first end, and the internal ring portion at least part is N bars interval
The annular lines of setting, and the N is the natural number more than 1.
2. annular shading element according to claim 1, it is characterised in that：Each annular lines is sequentially connected to form continuous
Helical structure.
3. annular shading element according to claim 1, it is characterised in that：The annular lines comprising the first inclined-plane, with
The second connected inclined-plane of first inclined-plane；
Wherein, first inclined-plane is an arc surface with one end that second inclined-plane is connected or is a sharp portion.
4. annular shading element according to claim 1, it is characterised in that：The annular lines comprising a vertical plane, with
The connected inclined-plane of the vertical plane；
Wherein, the vertical plane is a circular arc camber with one end that the inclined-plane is connected or is a sharp portion.
5. annular shading element according to claim 1, it is characterised in that：The circle of the annular of annular lines generally one
Arc lug boss.
6. annular shading element according to claim 1, it is characterised in that：The internal ring portion connects the first end face
One end internal ring portion connect the one end in the second end face portion close to the central shaft of the annular shading element.
7. annular shading element according to claim 6, it is characterised in that：The internal ring portion is included and the first end face
Lower edge face, the connection lower edge face and the first facial section of the first end, company that portion and the second end face be arranged in parallel
Connect second section in the lower edge face and the second end face portion.
8. annular shading element according to claim 7, it is characterised in that：Each annular lines is arranged on the lower edge face
On one of face on upper, the first section and the second section or on multiple faces.
9. annular shading element according to claim 7, it is characterised in that：First section and second section are equal
For an inclined-plane.
10. a kind of imaging lens, it is characterised in that include：
Lens barrel；
Lens group, comprising M piece lens, it is arranged in the lens barrel, and the M is the natural number more than 1；
Annular shading element in claim 1 to 9 described in any one, its be arranged in the lens barrel and at least with it is described
At least a piece of lens in microscope group are mutually supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353687.8U CN206339815U (en) | 2016-12-10 | 2016-12-10 | Annular shading element and imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353687.8U CN206339815U (en) | 2016-12-10 | 2016-12-10 | Annular shading element and imaging lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339815U true CN206339815U (en) | 2017-07-18 |
Family
ID=59308613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621353687.8U Expired - Fee Related CN206339815U (en) | 2016-12-10 | 2016-12-10 | Annular shading element and imaging lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490714A (en) * | 2018-03-22 | 2018-09-04 | 中国科学院国家空间科学中心 | A kind of star sensor hood |
-
2016
- 2016-12-10 CN CN201621353687.8U patent/CN206339815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490714A (en) * | 2018-03-22 | 2018-09-04 | 中国科学院国家空间科学中心 | A kind of star sensor hood |
| CN108490714B (en) * | 2018-03-22 | 2020-12-11 | 中国科学院国家空间科学中心 | A star sensor hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: Raytheon solutions Pte. Ltd. Address before: Hong Mao bridge 10 Road 65 Patentee before: AAC TECHNOLOGIES Pte. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 |