CN102103243B - Lens module - Google Patents
Lens module Download PDFInfo
- Publication number
- CN102103243B CN102103243B CN200910311923.8A CN200910311923A CN102103243B CN 102103243 B CN102103243 B CN 102103243B CN 200910311923 A CN200910311923 A CN 200910311923A CN 102103243 B CN102103243 B CN 102103243B
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- CN
- China
- Prior art keywords
- lens module
- camera lens
- eyeglass
- lens barrel
- eyeglasses
- 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.)
- Expired - Fee Related
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- Studio Devices (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a lens module. The lens module comprises a lens barrel, and a lens and a shading ring which are accommodated in the lens barrel, wherein the inner wall of the lens barrel extends into the lens barrel to form two convex parts; each convex part comprises a first pressing surface; each lens comprises an optical part and a non-optical part; the optical part is used for performing optical imaging on an object; the non-optical part is connected around the optical part and comprises a second pressing surface; the second pressing surface is pressed against the first pressing surface; an included angle between the first pressing surface and the optical axis of the lens module is equal to that between the second pressing surface and the optical axis of the lens module; and the second pressing surface is provided with a groove in which the shading ring is accommodated for preventing stray light from entering the lens module. The lens module can prevent the stray light from entering the lens module, so that the imaging quality of the lens module is improved.
Description
Technical field
The present invention relates to a kind of camera lens module.
Background technology
In existing camera lens module, between multiple eyeglasses, generally carry out interval by spaced ring, make between multiple eyeglasses, to there is suitable spacing, thereby jointly fit in picture.But when multiple eyeglasses and spaced ring are sequentially assembled into lens barrel, owing to there is no matching mechanism between eyeglass and spaced ring, if there is assembly error between eyeglass and spaced ring, can cause the optical surface run-off the straight of eyeglass, make the optical axis concentricity of each eyeglass not high.And spaced ring generally can not stop light, may make a part of parasitic light see through spaced ring and inject the image sensor of camera lens module below, thereby affect the imaging definition of camera lens module, the image quality of reduction camera lens module.
Summary of the invention
In view of this, be necessary the camera lens module that provides a kind of image quality high.
A kind of camera lens module, it comprises a lens barrel and is placed in three eyeglasses in described lens barrel, a shade.The inwall of described lens barrel is extended with two lug bosses in described lens barrel.Between every adjacent two described eyeglasses, a described lug boss is all set.Described lug boss comprises first supporting surface.Each eyeglass comprises an optics portion and a non-optical division.Described optics portion is for carrying out optical imagery to object.Described non-optical division connects around described optics portion around.Described non-optical division comprises second supporting surface.Described the second supporting surface and the first supporting surface offset.The angle of the optical axis of described the first supporting surface and described camera lens module equals the angle of the optical axis of the second supporting surface and described camera lens module.In described three eyeglasses, thing side surface and the described lens barrel of the eyeglass of the most close thing side support, the supporting with corresponding lug boss as side surface of the eyeglass of the most close thing side in described three eyeglasses, makes the optical axis of eyeglass and the optical axis coincidence of described camera lens module of the most close thing side in described three eyeglasses.The edge of the thing side surface of other eyeglasses in described three eyeglasses except the eyeglass of the most close thing side all offers a breach being coupled with lug boss corresponding on the inwall of described lens barrel, described breach matches with described corresponding lug boss, makes the optical axis of other eyeglasses and the optical axis coincidence of described camera lens module except the eyeglass of the most close thing side in described three eyeglasses.On described the second supporting surface, offer a groove, described shade is placed in described groove, for stopping that parasitic light enters camera lens module.
Because described the first supporting surface is identical with the angle of the optical axis of described the second supporting surface and described camera lens module, described camera lens module is matched and is fixed described multiple eyeglasses by described the first supporting surface and the second supporting surface, shade is arranged in the groove of described eyeglass simultaneously, avoid the assembly error between shade and eyeglass, thereby stop that parasitic light enters camera lens module internal, improve the image quality of camera lens module.
Brief description of the drawings
Fig. 1 is the cut-open view of the camera lens module of preferred embodiments of the present invention;
Fig. 2 is the partial enlarged drawing of the II part of the camera lens module of Fig. 1;
Fig. 3 is the schematic diagram of the lens barrel of the camera lens module of Fig. 1.
Main element symbol description
Camera lens module 100
Lens barrel 10
Inwall 11
Lug boss 111
The first supporting surface 112
Container cavity 12
Front cover body 13
Through hole 131
Half 14
Eyeglass 20
Optics portion 21
Non-optical division 22
The second supporting surface 221
Groove 223
Shade 30
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Refer to Fig. 1 to Fig. 3, a kind of camera lens module 100 of preferred embodiments of the present invention comprises 10, three eyeglasses 20 of a lens barrel and two shades 30.Described three eyeglasses 20 and two shades 30 are placed in described lens barrel 10.The quantity that is appreciated that described eyeglass 20 is not limited to three, can be also other quantity.The quantity of described shade 30 is also not limited to two, can be also other quantity.
Described lens barrel 10 is cylinder, and it comprises 11, one container cavities 12 of an inwall and a front cover body 13.Described container cavity 12 is surrounded by described inwall 11, for holding described three eyeglasses 20 and two shades 30.Described front cover body 13 is vertically connected at one end of described inwall 11.Described front cover body 13 middle parts have the through hole 131 of a truncated cone-shaped, and described through hole 131 is communicated with described container cavity 12, for controlling incident angle and the luminous flux of the light that enters described container cavity 12.Described lens barrel 10 is along being divided into two and half 14 perpendicular to the optical axis direction of described camera lens module 100, and described two and half 14 fasten by snap fastener (not shown), thus a complete lens barrel of formation.On the inwall 11 of described lens barrel 10, along the annular lug boss 111 that is provided with multiple spaces perpendicular to the direction of described optical axis, described lug boss 111 is for supporting a corresponding eyeglass 20, so that the light shaft coaxle of described eyeglass 20 and described camera lens module 100.Described lug boss 111 comprises two the first relative supporting surfaces 112.Described the first supporting surface 112 offsets with two adjacent eyeglasses 20 respectively.Each the first supporting surface 112 is 90 degree with the angle of the optical axis of described camera lens module 100.Be appreciated that described the first supporting surface 112 also can be other angles with the angle of the optical axis of described camera lens module 100.In the present embodiment, described lug boss 111 is one-body molded with described lens barrel 10.Be appreciated that described lug boss 111 also can be arranged to the loop configuration of an interruption, described lug boss 111 is made up of at least three projections that are positioned on same circumference.
Particularly, a lug boss 111 near described front cover body 13 cooperatively interacts and supports an eyeglass 20 near described front cover body 13 with described front cover body 13, by the inwall of described front cover body 13 and the first supporting surface 112 of the described lug boss 111 incompatible described eyeglass 20 that is fixed that matches; Other eyeglass 20 is by the first supporting surface 112 of two adjacent lug bosses 111 incompatible being fixed that match.
Each eyeglass 20 comprises an optics portion 21 and a non-optical division 22.Described optics portion 21 is for carrying out optical imagery to object.Described non-optical division 22 connects around described optics portion 21 around, for matching with described lug boss 111, described eyeglass 20 is fixed on described lens barrel 10.Described non-optical division 22 comprises two the second relative supporting surfaces 221, and one of them second supporting surface 221 is near the thing side of described camera lens module 100, and another second supporting surface 221 is near the picture side of described camera lens module 100.Described two the second supporting surfaces 221 offset with the first supporting surface 112 of adjacent two lug bosses 111 respectively.In the present embodiment, described the second supporting surface 221 is 90 degree with the angle of the optical axis of described camera lens module 100.Be appreciated that described the second supporting surface 221 also can be other angles with the angle of the optical axis of described camera lens module 100, as long as described the first supporting surface 112 is identical with the angle of the optical axis of described camera lens module 100 with described the second supporting surface 221.Offer an annular groove 223 near on second supporting surface 221 as side of described camera lens module 100, for accommodating described shade 30.Be appreciated that also and can on two of described eyeglass 20 the second supporting surface 221, offer respectively an annular groove 223.Distance between distance between two the second supporting surfaces 221 of each eyeglass 20 and two adjacent lug bosses 111 equates, described eyeglass 20 can be just in time stuck between two adjacent lug bosses 111.
Described shade 30 is annular solid, is placed in described groove 223.Along the optical axis direction of described camera lens module 100, the thickness of described shade 30 equates with the width of described groove 223, and described shade 30 can be placed in described groove 223 just.Described shade 30 enters the imaging region of camera lens module 100 for stopping parasitic light, to improve the image quality of camera lens module 100.Described shade 30 is made up of light absorbent, the about 0.3-0.5mm of thickness.Described light absorbent can be the polyethylene terephthalate (Poly ethylene terephalate, PET) of black, the polycarbonate (Poly Carbonate, PC) of black etc.
The assembling process of described camera lens module 100 is as follows: the first interior shade 30 that arranges of groove 223 at described eyeglass 20, then eyeglass 20 is sequentially snapped between the adjacent protrusion portion 111 of described lens barrel 10, thereby described eyeglass 20 is fixed on one and half 14 of described lens barrel 10, and then two and half 14 of described lens barrel 10 are fastened, complete the assembling of described camera lens module 100.
Be appreciated that, for the camera lens module that only includes an eyeglass 20, because shade 30 is arranged in the groove 223 of the second supporting surface 221 of described eyeglass 20, therefore described shade 30 can not relatively move with respect to described eyeglass 20, still can not affect the image quality of described camera lens module.
Because described the first supporting surface is identical with the angle of the optical axis of described the second supporting surface and described camera lens module, described camera lens module is matched and is fixed described multiple eyeglasses by described the first supporting surface and the second supporting surface, use the shade of being made by light absorbent to be arranged in the groove of described eyeglass simultaneously, avoid the assembly error between shade and eyeglass, therefore can stop that parasitic light enters in camera lens module, improve the image quality of camera lens module.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (9)
1. a camera lens module, it comprises a lens barrel and is placed in three eyeglasses in described lens barrel, a shade, the inwall of described lens barrel is extended with two lug bosses in described lens barrel, between every adjacent two described eyeglasses, a described lug boss is all set; Described lug boss comprises first supporting surface; Each eyeglass comprises an optics portion and a non-optical division, described optics portion is for carrying out optical imagery to object, described non-optical division connects around described optics portion around, described non-optical division comprises second supporting surface, described the second supporting surface and the first supporting surface offset, and it is characterized in that: the angle of the optical axis of described the first supporting surface and described camera lens module equals the angle of the optical axis of the second supporting surface and described camera lens module; In described three eyeglasses, thing side surface and the described lens barrel of the eyeglass of the most close thing side support, the supporting with corresponding lug boss as side surface of the eyeglass of the most close thing side in described three eyeglasses, makes the optical axis of eyeglass and the optical axis coincidence of described camera lens module of the most close thing side in described three eyeglasses; The edge of the thing side surface of other eyeglasses in described three eyeglasses except the eyeglass of the most close thing side all offers a breach being coupled with lug boss corresponding on the inwall of described lens barrel, described breach matches with described corresponding lug boss, makes the optical axis of other eyeglasses and the optical axis coincidence of described camera lens module except the eyeglass of the most close thing side in described three eyeglasses; On described the second supporting surface, offer a groove, described shade is placed in described groove, for stopping that parasitic light enters camera lens module.
2. camera lens module as claimed in claim 1, is characterized in that, described lug boss and described lens barrel are formed in one.
3. camera lens module as claimed in claim 1, is characterized in that, described lens barrel is along being divided into two and half perpendicular to the optical axis direction of camera lens module, and described two and half engagement connections, thereby forms a complete lens barrel.
4. camera lens module as claimed in claim 1, is characterized in that, described lens barrel comprises the front cover body of a side of the inwall that is vertically connected at described lens barrel, is matched and fixes the eyeglass offseting with described front cover body with described lug boss by described front cover body.
5. camera lens module as claimed in claim 1, it is characterized in that, described camera lens module comprises two lug bosses, distance between distance between two lug bosses and two the second supporting surfaces of the non-optical division of described eyeglass equates, described eyeglass can be blocked by two lug bosses, thereby be fixed on described lens barrel.
6. camera lens module as claimed in claim 1, is characterized in that, described shade is made up of light absorbent.
7. camera lens module as claimed in claim 1, is characterized in that, described lug boss is loop configuration.
8. camera lens module as claimed in claim 1, is characterized in that, described lug boss comprises at least three projections that are positioned on same circumference.
9. camera lens module as claimed in claim 1, is characterized in that, described shade is annular solid, and on the optical axis direction of described camera lens module, the thickness of described shade equals the width of described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910311923.8A CN102103243B (en) | 2009-12-21 | 2009-12-21 | Lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910311923.8A CN102103243B (en) | 2009-12-21 | 2009-12-21 | Lens module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102103243A CN102103243A (en) | 2011-06-22 |
| CN102103243B true CN102103243B (en) | 2014-08-20 |
Family
ID=44156151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910311923.8A Expired - Fee Related CN102103243B (en) | 2009-12-21 | 2009-12-21 | Lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102103243B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI616697B (en) * | 2016-10-13 | 2018-03-01 | 大立光電股份有限公司 | Annular optical element, imaging lens assembly, imaging apparatus and electronic device |
| CN107037562A (en) * | 2017-05-27 | 2017-08-11 | 浙江舜宇光学有限公司 | Camera lens |
| CN107329227A (en) * | 2017-07-07 | 2017-11-07 | 瑞声科技(新加坡)有限公司 | A kind of imaging lens |
| TWI628484B (en) * | 2017-08-11 | 2018-07-01 | 大立光電股份有限公司 | Imaging lens assembly, camera module and electronic device |
| US11105962B2 (en) * | 2018-01-25 | 2021-08-31 | Tdk Taiwan Corp. | Optical system and control method for the optical system |
| US10914869B2 (en) * | 2018-08-14 | 2021-02-09 | Samsung Electro-Mechanics Co., Ltd. | Lens assembly and portable electronic device |
| CN111752071A (en) * | 2019-03-29 | 2020-10-09 | 三营超精密光电(晋城)有限公司 | Lens module and electronic device with same |
| CN111796385A (en) * | 2019-04-08 | 2020-10-20 | 三营超精密光电(晋城)有限公司 | Optical lens, lens module using same and electronic device |
| CN110261981B (en) * | 2019-06-10 | 2021-09-10 | Oppo广东移动通信有限公司 | Lens, camera module and electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105563A (en) * | 2006-07-14 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Lens module and its assembling method |
| CN101196603A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Drawtube, optical module group with the same and its assembling method |
| CN101377560A (en) * | 2007-08-29 | 2009-03-04 | 亚洲光学股份有限公司 | Glasses lens set with embedded structure and lens module |
-
2009
- 2009-12-21 CN CN200910311923.8A patent/CN102103243B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105563A (en) * | 2006-07-14 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Lens module and its assembling method |
| CN101196603A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Drawtube, optical module group with the same and its assembling method |
| CN101377560A (en) * | 2007-08-29 | 2009-03-04 | 亚洲光学股份有限公司 | Glasses lens set with embedded structure and lens module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102103243A (en) | 2011-06-22 |
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| 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 | ||
| 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: 20140820 Termination date: 20171221 |