CN102103244A - Lens module - Google Patents
Lens module Download PDFInfo
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- CN102103244A CN102103244A CN200910311983XA CN200910311983A CN102103244A CN 102103244 A CN102103244 A CN 102103244A CN 200910311983X A CN200910311983X A CN 200910311983XA CN 200910311983 A CN200910311983 A CN 200910311983A CN 102103244 A CN102103244 A CN 102103244A
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- Prior art keywords
- lens
- dazzling screen
- lens module
- barrel
- flange
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Abstract
The invention provides a lens module. The lens module comprises a lens barrel, at least one lens, and a shade; the lens barrel comprises a barrel body and a front cover covered at one end of the barrel body; the barrel body comprises an inner side wall; the at least one lens and the shade are arranged on the inner side wall of the barrel body; the at least one lens comprises a first lens; the first lens comprises an optical part and a non optical part surrounding the optical part; the non optical part is provided with an object side and an image side; the object side is provided with a stepped annulus; a stepped boss is formed on the inner side of the front cover of the lens barrel; the stepped annulus is provided with a clamping surface matched with the stepped boss, is tightly contacted with the steeped boss and is used for positioning the first lens in the lens barrel; a flange is extended on the image side of the non optical part of the first lens along the direction vertical to the image side; and an accommodation groove is formed on the junction of the inner wall of the flange and the image side along the axial direction of the first lens and is used for partially accommodating the shade. The assembling yield of the lens module is high.
Description
Technical field
The present invention relates to a kind of camera lens module.
Background technology
Present most camera lens module is made of parts such as a plurality of lens, anti-dazzling screen, lens barrels.The concrete structure of camera lens module is generally a plurality of lens and anti-dazzling screen is contained in the lens barrel.The optical image signal that enters lens barrel arrives image sensor through after the lens focus, and image sensor is the electron image signal with the optical image conversion of signals.At present, miniaturization camera lens module is because the demand of design can add anti-dazzling screen by the joint between lens usually.Because the thickness of anti-dazzling screen is quite thin, fixedly the time, regular meeting is taken up (electrostatic force) by a plastic pin, causes anti-dazzling screen to be offset, so has influenced the assembling yield at anti-dazzling screen periphery point glue.While is the glue processing procedure because when assembling need add some points, and assembling speed is slow.Simultaneously, because the tolerance or the assembly failure of each part of camera lens module, and produce between the lens or the problems such as optical axis off-centre between lens and the lens barrel, and then influence the optical property of camera lens module.
Summary of the invention
In view of this, be necessary to provide a kind of camera lens module that improves assembling speed and yield.
A kind of camera lens module, it comprises a lens barrel, at least one lens, and an anti-dazzling screen.Described lens barrel comprises that a cylindrical shell and a lid are located at the protecgulum on cylindrical shell one end.Described cylindrical shell comprises a madial wall.Described at least one lens and anti-dazzling screen are arranged on the madial wall of described cylindrical shell.Described at least one lens comprise first lens.Described first lens comprise that an optic reaches the non-optical division around optic.Described non-optical division has one near the thing side of described light well and the picture side relative with the thing side.The protecgulum inboard of described lens barrel is formed with a stepped boss.The thing side of described first lens has a stepped ring body.Described stepped ring body has a fixing face that is complementary with described stepped boss.Described fixing face closely contacts with described stepped boss, is used for first lens position in lens barrel.The non-optical division of described first lens described be extended with a flange as the side along vertical as side surface direction.Described flange in the non-optical division of the inwall of flange and described first lens as the intersection of side along first lens radially offer an accepting groove, be used for the resettlement section and divide described anti-dazzling screen.
Compared to prior art, camera lens module of the present invention because anti-dazzling screen can be fastened in the described accepting groove, has reduced some glue processing procedure when the assembling anti-dazzling screen, improved assembling speed.Simultaneously, anti-dazzling screen is taken up by a plastic pin in the time of can avoiding glue, causes the problem of anti-dazzling screen skew, has improved the assembling yield.And first closely contact with described snap-latch surface by described fixing face between lens and the lens barrel, effectively keeps both concentricitys, guaranteed the image quality of camera lens module, further promoted the assembling yield of camera lens module.
Description of drawings
The structural representation of the camera lens module that Fig. 1 provides for embodiment of the present invention;
Fig. 2 is the anti-dazzling screen among Fig. 1 and the decomposition texture synoptic diagram of at least one lens.
The main element symbol description
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
See also Fig. 1 and Fig. 2, be a kind of camera lens module 100 that embodiment of the present invention provides, it comprises a lens barrel 10, at least one lens, an anti-dazzling screen 40.Described at least one lens and anti-dazzling screen 40 all are arranged in the described lens barrel 10.
Described lens barrel 10 is the semi-enclosed cylindrical body of an end, and this lens barrel 10 comprises a cylindrical shell 11 and a protecgulum 12.Described protecgulum 12 lids are located at an end of described cylindrical shell 11.In the present embodiment, described cylindrical shell 11 and described protecgulum 12 are one-body molded.The center position of described protecgulum 12 offers a light well 120, and extraneous light enters in the lens barrel 10 by this light well 120.Described cylindrical shell 11 comprises a madial wall 112, and the madial wall 112 of cylindrical shell 11 is a black, its can will project the light of madial wall 112 of mirror body 11 absorb, to reduce the influence of parasitic light that part forms to madial wall 112 backs of cylindrical shell 11 because of irradiate light to image quality.Be appreciated that thereby described lens barrel 10 integral body also can adopt light-proof material to make and reach the purpose that shields light.In the present embodiment, protecgulum 12 inboards of described lens barrel 10 are formed with a stepped boss 122, and this stepped boss 122 is an annular, and can be one-body molded with protecgulum 12.Described stepped boss 122 has a snap-latch surface 123.
Described at least one lens are by glass or be made of plastics, and these at least one lens are spherical lens or are non-spherical lens.In the present embodiment, described at least one lens comprise one first lens 20 and one second lens 30.
Described first lens 20 comprise the non-optical division 24 that an optic 22 reaches around optic 22.Described optic 22 is for playing the part of optical effect in the lens, this optic 22 can specifically need be set to recessed or protruding shape, thereby light is dispersed or assembled.This non-optical division 24 surrounds and connects optic 22, mainly act as placement, supports adjacent optic 22.The non-optical division 24 of described first lens 20 has one near the thing side 246 of described light well 120 and relative with thing side 246 side 243 that looks like.Described thing side 246 has a stepped ring body 240, described stepped ring body 240 has a fixing face 241 that is complementary with the snap-latch surface 123 of described lens barrel 10, described fixing face 241 closely contacts with described snap-latch surface 123, is used for first lens 20 are positioned lens barrel 10.The non-optical division 24 of described first lens 20 described be extended with a flange 244 as side 243 along vertical as side 243 directions.Described flange 244 in the non-optical division 24 of the inwall of flange 244 and first lens 20 as the intersection of side 243 along described first lens 20 radially offer an accepting groove 245, be used for the resettlement section and divide described anti-dazzling screen 40.
Described second lens 30 comprise the non-optical division 34 that an optic 32 reaches around optic 32.This non-optical division 34 surrounds and connects optic 32, mainly act as placement, supports adjacent optic 32.Described non-optical division 34 comprises a thing end face 341 and the relative picture end face 342 of a described thing end face 341.The non-optical division 24 of corresponding described first lens 20 of the thing end face 342 of described non-optical division 34 offer breach 344 as 244 positions of the flange on the side 243.In the present embodiment, flange 244 correspondences of described first lens 20 closely are placed in the breach 344 of described second lens 30 so that second lens 30 accurately be positioned first lens 20 non-optical division 24 the picture end face 242 on.So, can reduce the crooked probability of entirety of lens package.
Cooperate the degree that closely cooperates and the bearing accuracy that has increased between described first lens 20 and described second lens 30 between described flange 244 and the breach 344, thereby further improved the usability of camera lens module 100.
In the present embodiment, described anti-dazzling screen 40 is made by elastic material, this anti-dazzling screen 40 be shaped as the hollow circular ring shape, this anti-dazzling screen 40 comprises central transparent area 401 and around the shading region 402 of central transparent area 401.The material of described shading region 502 is dimethyl silicone polymer, i.e. PDMS.In the present embodiment, described anti-dazzling screen 40 outer edge part are contained in the accepting groove 245 of described first lens 20, and be carried on described first lens 20 non-optical division 24 the picture side 243 on.Shading region 502 parts of described anti-dazzling screen 40 are accommodated the optic 22 that does not hide described first lens 20 behind the described accepting groove 245.During assembling, described anti-dazzling screen 40 elasticity are squeezed between the flange 244 of described first lens 20, and when 40 groups of anti-dazzling screens were gone into to the picture side 243 of the non-optical division 24 of first lens 20, the side of anti-dazzling screen 40 snapped in the described accepting groove 245.In the present embodiment, the thickness of described anti-dazzling screen 40 on camera lens module 10 optical axis directions is identical with the thickness of described accepting groove 245, rocks in accepting groove 245 to prevent anti-dazzling screen 40.
The spurious rays that described anti-dazzling screen 40 can absorb 34 of the non-optical divisions of first lens 20 and second lens 30 effectively is set between described first lens 20 and second lens 30, has improved the image quality of camera lens module.
Further, described camera lens module 100 also comprises a photomask 50, described photomask 50 coats the flange 244 of described first lens 20 and the joint of described second lens 30, with the spurious rays of 34 of the non-optical divisions that absorb first lens 20 and second lens 30 more effectively.
The camera lens module 100 of present embodiment comprises two lens, be understandable that, can also be according to this principle the 3rd, the 4th lens etc. that superpose, all the other each lens all can be set to comprise the structure of a stepped ring body, the part side of scioptics engages this structure mutually with another eyeglass, reaches to avoid assembling crooked purpose.
This reality is put in the mode, and described camera lens module 100 also comprises a cutoff filter 60, and it is installed in the described lens barrel 10, can stop infrared light to pass through.
Camera lens module of the present invention because anti-dazzling screen can be fastened in the described accepting groove, has reduced some glue processing procedure when the assembling anti-dazzling screen, improved assembling speed.Simultaneously, anti-dazzling screen is taken up by a plastic pin in the time of can avoiding glue, causes the problem of anti-dazzling screen skew, has improved the assembling yield.And first closely contact with described snap-latch surface by described fixing face between lens and the lens barrel, effectively keeps both concentricitys, guaranteed the image quality of camera lens module, further promoted the assembling yield of camera lens module.
Though the present invention discloses as above with better embodiment,, it is not in order to qualification the present invention, and in addition, those skilled in the art can also do other variation etc. in spirit of the present invention.Certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (8)
1. camera lens module, it comprises a lens barrel, at least one lens, an and anti-dazzling screen, described lens barrel comprises that a cylindrical shell and a lid are located at the protecgulum on cylindrical shell one end, described cylindrical shell comprises a madial wall, described at least one lens and anti-dazzling screen are arranged on the madial wall of described cylindrical shell, described at least one lens comprise one first lens, described first lens comprise that an optic reaches the non-optical division around optic, described non-optical division has one near the thing side of described light well and the picture side relative with the thing side, it is characterized in that: the protecgulum inboard of described lens barrel is formed with a stepped boss, the thing side of described first lens has a stepped ring body, described stepped ring body has a fixing face that is complementary with described stepped boss, described fixing face closely contacts with described stepped boss, be used for first lens position in lens barrel, the non-optical division of described first lens described be extended with a flange as the side along vertical as side surface direction, described flange in the non-optical division of the inwall of flange and described first lens as the intersection of side along first lens radially offer an accepting groove, be used for the resettlement section and divide described anti-dazzling screen.
2. camera lens module as claimed in claim 1, it is characterized in that: described at least one lens further comprise one second lens, described second lens comprise that an optic reaches the non-optical division around optic, the lugs position as on the side of the non-optical division of corresponding described first lens of the thing end face of the non-optical division of described second lens offers breach, and the flange correspondence of described first lens closely is placed in the breach of described second lens.
3. camera lens module as claimed in claim 2 is characterized in that: also comprise a photomask, described photomask coats the flange of described first lens and the joint of described second lens.
4. camera lens module as claimed in claim 1 is characterized in that: also comprise a cutoff filter, this cutoff filter is installed in the described lens barrel.
5. camera lens module as claimed in claim 1 is characterized in that: the madial wall of described cylindrical shell is a black.
6. camera lens module as claimed in claim 1 is characterized in that: described anti-dazzling screen is made by elastic material, and anti-dazzling screen is partly accommodated the optic that does not hide described first lens behind the described accepting groove.
7. camera lens module as claimed in claim 1 is characterized in that: the thickness of described anti-dazzling screen on the optical axis direction of camera lens module is identical with the thickness of described accepting groove.
8. camera lens module as claimed in claim 1 is characterized in that: described lens barrel further comprises a protecgulum, and described protecgulum lid is located at an end of described cylindrical shell, and the center position of this protecgulum offers a light well.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200910311983XA CN102103244A (en) | 2009-12-22 | 2009-12-22 | Lens module |
Applications Claiming Priority (1)
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CN200910311983XA CN102103244A (en) | 2009-12-22 | 2009-12-22 | Lens module |
Publications (1)
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CN102103244A true CN102103244A (en) | 2011-06-22 |
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CN200910311983XA Pending CN102103244A (en) | 2009-12-22 | 2009-12-22 | Lens module |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102955216A (en) * | 2011-08-29 | 2013-03-06 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
CN104024904A (en) * | 2012-03-29 | 2014-09-03 | 奥林巴斯株式会社 | Lens, lens unit, and lens manufacturing method |
CN105549173A (en) * | 2016-01-28 | 2016-05-04 | 宁波舜宇光电信息有限公司 | Optical lens, camera module group and assembly method thereof |
CN107907975A (en) * | 2017-12-29 | 2018-04-13 | 东莞市宇光光电科技有限公司 | Imaging lens module, imaging lens and talking pen |
WO2018157653A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Light entrance structure of mobile terminal, and mobile terminal |
CN111198468A (en) * | 2018-11-16 | 2020-05-26 | 光芒光学股份有限公司 | Lens and manufacturing method thereof |
CN112748506A (en) * | 2020-12-22 | 2021-05-04 | 江西联益光学有限公司 | Lens group and lens |
Citations (6)
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US5024509A (en) * | 1989-03-14 | 1991-06-18 | Konica Corporation | Structural combination of plastic lenses |
CN1115037A (en) * | 1993-11-17 | 1996-01-17 | 大宇电子株式会社 | Optical imaging lens system |
CN101149453A (en) * | 2006-09-20 | 2008-03-26 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
CN101329436A (en) * | 2007-06-22 | 2008-12-24 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
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 |
CN101566700A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业(深圳)有限公司 | Aperture plate, manufacturing method thereof, lens module using same |
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2009
- 2009-12-22 CN CN200910311983XA patent/CN102103244A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5024509A (en) * | 1989-03-14 | 1991-06-18 | Konica Corporation | Structural combination of plastic lenses |
CN1115037A (en) * | 1993-11-17 | 1996-01-17 | 大宇电子株式会社 | Optical imaging lens system |
CN101149453A (en) * | 2006-09-20 | 2008-03-26 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
CN101329436A (en) * | 2007-06-22 | 2008-12-24 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
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 |
CN101566700A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业(深圳)有限公司 | Aperture plate, manufacturing method thereof, lens module using same |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102955216A (en) * | 2011-08-29 | 2013-03-06 | 鸿富锦精密工业(深圳)有限公司 | Lens module |
CN104024904A (en) * | 2012-03-29 | 2014-09-03 | 奥林巴斯株式会社 | Lens, lens unit, and lens manufacturing method |
CN105549173A (en) * | 2016-01-28 | 2016-05-04 | 宁波舜宇光电信息有限公司 | Optical lens, camera module group and assembly method thereof |
US11378722B2 (en) | 2016-01-28 | 2022-07-05 | Ningbo Sunny Opotech Co., Ltd. | Optical lens head, camera module and assembling method therefor |
WO2018157653A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Light entrance structure of mobile terminal, and mobile terminal |
CN107907975A (en) * | 2017-12-29 | 2018-04-13 | 东莞市宇光光电科技有限公司 | Imaging lens module, imaging lens and talking pen |
CN107907975B (en) * | 2017-12-29 | 2024-06-11 | 东莞市宇光光电科技有限公司 | Imaging lens module, imaging lens and touch and talk pen |
CN111198468A (en) * | 2018-11-16 | 2020-05-26 | 光芒光学股份有限公司 | Lens and manufacturing method thereof |
CN112748506A (en) * | 2020-12-22 | 2021-05-04 | 江西联益光学有限公司 | Lens group and lens |
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Application publication date: 20110622 |