CN101430410B - Lens and lens module - Google Patents
Lens and lens module Download PDFInfo
- Publication number
- CN101430410B CN101430410B CN2007102023830A CN200710202383A CN101430410B CN 101430410 B CN101430410 B CN 101430410B CN 2007102023830 A CN2007102023830 A CN 2007102023830A CN 200710202383 A CN200710202383 A CN 200710202383A CN 101430410 B CN101430410 B CN 101430410B
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- Prior art keywords
- eyeglass
- lens
- periphery
- screw thread
- holding part
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Abstract
The invention provides a lens which comprises a lens part and a surrounding part; the lens part is used for realizing optical function; the surrounding part surrounds and connects the lens part; the surrounding part is provided with a first surface, a second surface and a side surface; the first surface and the second surface are opposite; the side surface is connected with the first surface and the second surface; the side surface is provided with a screw thread so as to mount the lens into a lens holder in a rotating way. The invention also provides a lens module provided with the lens. Thelens and the lens module of the technical scheme are easy to realize miniaturization.
Description
Technical field
The present invention relates to the camera technique field, relate in particular to a kind of eyeglass and camera lens module.
Background technology
Along with development of multimedia technology, camera heads such as digital camera, video camera more and more are subjected to consumers in general's favor.People wish that also its structure develops toward compact direction when the image quality of wishing camera head constantly is improved.
The camera lens module is the important shooting part in the camera head, and it generally includes eyeglass, lens barrel and microscope base.Eyeglass can be one or more pieces, is used to carry out optical imagery.Described lens barrel is used to accommodate eyeglass.Lens barrel is generally cylinder, and outer wall is provided with external thread.Described microscope base has accepting hole to accommodate lens barrel, and hole wall is equipped with the internal thread that matches with the external thread of lens barrel.When assembling camera lens module, the lens barrel of can earlier lens set being packed into, lens barrel screw in microscope base by threaded engagement again, thereby finish the assembling of camera lens module.
Yet such camera lens module not only has more element, has bigger volume and weight, incompatibility miniaturization of electronic products, lightening trend, and have more number of assembling steps, and make assemble method also comparatively complicated, influence the speed of production and the efficient of camera lens module.Proposed a kind of camera lens module among the paper Low-profile Optic Design for Mobile Camera using Dual Freeform Reflective Lenses that people such as Ho-Seop Jeong deliver in the present state of development meeting (Current Developments in Lens Design and Optical Engineering) of SPIE system about lens design and optical engineering in 2006, it forms a lens set to reduce the thickness of camera lens module with a plurality of eyeglasses.Yet this camera lens module need be synthetic with each imaging eyeglass imaging in the lens set by image converter, not only increased the element of camera lens module, makes that the structure of camera lens module is more complicated, and have higher cost.
Therefore, be necessary to provide a kind of miniaturization of camera head volume, the eyeglass that simplifies the structure and camera lens module realized.
Summary of the invention
Below will a kind of eyeglass and camera lens module be described with embodiment, it is easy to realize the volume miniaturization of camera head and simplify the structure.
A kind of eyeglass, comprise lens section and periphery, described lens section is used to realize optical function, described periphery surrounds and the connection lens section, described periphery has first surface, second surface and side, and described first surface is relative with second surface, and described side connects first surface and second surface, described side is provided with screw thread, is installed on microscope base so that eyeglass is screwed.Described eyeglass also comprises the holding part that links to each other with periphery, and described holding part has a containing hole, and described containing hole is used for ccontaining optical element.
A kind of camera lens module comprises microscope base and aforesaid eyeglass, and described microscope base has accepting hole, and hole wall is provided with the screw thread with the threads engaged of eyeglass, and described eyeglass screws in the accepting hole that is installed on microscope base by screw thread.
The eyeglass of the technical program and camera lens module have following advantage: at first, eyeglass has screw thread, can directly screw and be installed on microscope base, thereby omit lens barrel structure, makes the simplifying the structure of camera lens module, volume miniaturization; Secondly, the cost that screw thread is set in eyeglass is lower, helps reducing the production cost of camera lens module; Once more, eyeglass can be accommodated other optical elements, thereby makes the eyeglass module can accommodate a plurality of optical elements equally, realizes preferable image quality.
Description of drawings
Fig. 1 is the cut-open view of the eyeglass that provides of the technical program first embodiment.
Fig. 2 is the cut-open view of the eyeglass that provides of the technical program second embodiment.
Fig. 3 is the cut-open view of the eyeglass that provides of the technical program the 3rd embodiment.
Fig. 4 is the cut-open view of the camera lens module that provides of the technical program the 4th embodiment.
Fig. 5 is the cut-open view of the camera lens module that provides of the technical program the 5th embodiment.
Embodiment
Below in conjunction with accompanying drawing and a plurality of embodiment, eyeglass and camera lens module that the technical program is provided are described in further detail.
See also Fig. 1, the eyeglass 10 that the technical program first embodiment provides comprises lens section 11 and periphery 12.Described eyeglass 10 is preferably plastic lens, and for example, its material can be polypropylene acid formicester, polycarbonate, this acid propylene of carbon acetate etc.Certainly, eyeglass 10 also can be glass mirror or complex optics.
Described lens section 11 is the optical path zone, is used to realize the optical function that designs.Lens section 11 has an optical lens surface 110, and described optical lens surface can be sphere, also can be aspheric surface.
Described periphery 12 is zone, non-optical path, is used for support of lens portion 11.Described periphery 12 is a torus, surrounds and connection lens section 11.The side 123 that described periphery 12 has first surface 121, second surface 122 and links to each other with first surface 121, second surface 122.Described first surface 121 is relative with second surface 122, and all perpendicular to the optical axis of eyeglass 10.Described side 123 is a ring surface, and the parallel axes of ring surface is in the optical axis of eyeglass 10.Side 123 is provided with screw thread, is used for threaded engagement with microscope base to be assembled into microscope base.The screw thread of side 123 can be various connecting threads, for example, and common fine thread, pipe thread etc.The screw thread of described side 123 can form via machining, also can form via ejection formation, compression molding.
Because eyeglass 10 has screw thread, can directly screw and be fit into microscope base.The installation method of described eyeglass 10 can screw in microscope base with eyeglass 10 again for earlier with the lens section 11 of vacuum slot absorption eyeglass 10; Also can be the end of elder generation with gripping instrument gripping periphery 12 close first surfaces 121, and with the other end screw-in microscope base of periphery 12 near second surfaces 122; Certainly, also can be other installation method.
The eyeglass 10 of the technical program has omitted lens barrel structure, thereby helps the volume miniaturization of camera lens module and simplify the structure.
See also Fig. 2 and Fig. 3, eyeglass 20 that the technical program second embodiment provides and the eyeglass 10 of first embodiment are roughly the same, and its difference is that eyeglass 20 also comprises a holding part 23 that links to each other with periphery 22.
Described holding part 23 is for to surround the cylinder that forms by wall body 230, and the middle part has a containing hole 231.Described containing hole 231 is used for optical elements such as ccontaining other ordinary lenses, optical filter, spaced ring, so that eyeglass 20 can synthesize lens set with other optical elements sets, makes lens set have advantages such as volume is little, simple in structure, optical function is good.
Holding part 23 has end face 232, bottom surface 233, lateral surface 234 and medial surface 235.Described end face 232 is relative with bottom surface 233, all perpendicular to the optical axis of eyeglass 20.Described lateral surface 234 is relative with medial surface 235, is ring surface, and the parallel axes of ring surface is in the optical axis of eyeglass 20.
Described holding part 23 can be arranged at the first surface 221 of periphery 22, that is, bottom surface 233 contacts with first surface 221, and at this moment, holding part 23 is positioned at a side of periphery 22.Holding part 23 also can be arranged at the second surface 222 of periphery 22, that is, end face 232 contacts with second surface 222, and at this moment, holding part 23 is positioned at the opposite side of periphery 22.Certainly, eyeglass 20 also can have two holding parts 23, makes two holding parts 23 be arranged at first surface 221 and second surface 222 respectively, that is, two holding parts 23 lay respectively at the both sides of periphery 22.In the present embodiment, holding part 23 is arranged at first surface 221, and its bottom surface 233 contacts with first bottom surface 221.
For the optical path of avoiding 23 pairs of lens sections 21 of holding part impacts, the inner diameter d of described holding part 23
1Should be more than or equal to the inner diameter d of periphery 22
2And, the outer diameter D of holding part 23
1The outer diameter D that should be less than or equal to periphery 22
2, periphery 22 and screwing togather of microscope base are not impacted.The height H of described holding part 23 is not limit, and is decided by the height of the optical element that needs in it to accommodate.In the present embodiment, the inner diameter d of holding part 23
1Inner diameter d greater than periphery 22
2, the outer diameter D of holding part 23
1Outer diameter D less than periphery 22
2
Described holding part 23 can be made of one piece with periphery 22, lens section 21, also is fixedly arranged on periphery 22 by viscose glue, screw etc. after the moulding separately.In the technical program, be fixedly arranged on the first surface 221 of periphery 22 after the holding part 23 independent moulding by viscose glue.
When eyeglass 20 is installed, can erecting tools clamping holding part 23, again eyeglass 20 is screwed in microscope bases, thereby can more easily eyeglass 20 be assembled into microscope base.
See also Fig. 3, eyeglass 30 that the technical program the 3rd embodiment provides and the eyeglass 20 of second embodiment are roughly the same, and its difference is, the outer diameter D of holding part 33
1Equal the outer diameter D of periphery 32
2, that is, and the lateral surface 334 of holding part 33 and side 323 coplanes of periphery 32, therefore, lateral surface 334 also can be provided with the screw thread that is used to screw installation.The screw thread of the screw thread of described holding part 33 and periphery 32 can be structure as a whole, thereby eyeglass 30 can be firm more, convenient with screwing of microscope base.In addition, the eyeglass that is formed in one of the eyeglass in the present embodiment 30.
See also Fig. 4, be the camera lens module 400 that the technical program the 4th embodiment provides, it comprises microscope base 40 and the eyeglass 10 shown in first embodiment, and described eyeglass 10 is accommodated and is installed in the microscope base 40.
Described microscope base 40 comprises first pedestal 41 and second pedestal 42 that is connected.Described first pedestal 41 is a cylindrical shape, has an accepting hole 410 to accommodate eyeglass 10.The hole wall 411 of described accepting hole 410 is provided with the screw thread with the threads engaged of eyeglass 10.Thereby eyeglass 10 can screw and be contained in first pedestal 41.Described second pedestal 42 is used to accommodate image sensor 43, so that subject can be received by image sensor 43 via the optical imagery that eyeglass 10 forms, thereby converts optical imagery to corresponding electron image signal so that output.Preferably, can be provided with glass plate 44 on the image sensor 43, in order to avoid dust falls on image sensor 43.
Present embodiment is an example to accommodate an eyeglass 10 shown in first embodiment in the microscope base 40 only, and certainly, microscope base 40 can contain two and plural eyeglass 10, and microscope base 40 also can be accommodated the eyeglass 20,30 shown in second embodiment, the 3rd embodiment.
The camera lens module 400 of the technical program has omitted lens barrel structure, helps the volume miniaturization of camera lens module 400 and simplifies the structure.
See also Fig. 5, the camera lens module 500 that provides for the technical program the 5th embodiment, camera lens module 400 shown in itself and the 4th embodiment is roughly the same, its difference is: the eyeglass that is contained in lens barrel 50 is the eyeglass 30 of the 3rd embodiment, and is equipped with at least one lens in the holding part 33 of eyeglass 30.In the present embodiment, be equipped with first lens 301, first spaced ring 302, second lens 303 and second spaced ring 304 in the holding part 33 successively.First lens 301, second lens 303 are used for cooperates with the lens section 31 of eyeglass 30, and subject is formed optical imagery.First spaced ring 302 is used for interval first lens 301 and second lens, 303, the second spaced rings 304 are used for second lens 303 and lens section 31 at interval, causes damage in order to avoid adjacent lenses is touched.Described first lens 301, first spaced ring 302, second lens 303 and second spaced ring 304 can be fixedly arranged in the containing hole 331 of holding part 33 by a glue.
The eyeglass of the technical program and camera lens module have following advantage: at first, eyeglass has screw thread, can directly screw and be installed on microscope base, thereby omit lens barrel structure, makes the simplifying the structure of camera lens module, miniaturization; Secondly, the cost that screw thread is set in eyeglass is lower, helps reducing the production cost of camera lens module; Once more, eyeglass can have holding part accommodating other optical elements, thereby makes the eyeglass module can accommodate a plurality of optical elements equally, realizes preferable image quality.
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 claim of the present invention with distortion.
Claims (9)
1. eyeglass, it comprises lens section and periphery, described lens section is used to realize optical function, described periphery surrounds and the connection lens section, described periphery has first surface, second surface and side, described first surface is relative with second surface, described side links to each other with first surface, second surface, it is characterized in that, described side is provided with screw thread, described eyeglass also comprises the holding part that links to each other with periphery, and described holding part has a containing hole, and described containing hole is used for ccontaining optical element.
2. eyeglass as claimed in claim 1 is characterized in that, described first surface, the second surface all optical axis with eyeglass are vertical.
3. eyeglass as claimed in claim 1 is characterized in that, described screw thread is fine thread or pipe thread.
4. eyeglass as claimed in claim 1 is characterized in that, described periphery is an annular, and its side is a ring surface, and the parallel axes of ring surface is in the optical axis of eyeglass.
5. eyeglass as claimed in claim 4 is characterized in that, described holding part is cylindric, and its external diameter is less than or equal to the external diameter of periphery, and its internal diameter is more than or equal to the internal diameter of periphery.
6. eyeglass as claimed in claim 5 is characterized in that, described holding part has the lateral surface of annular, and described lateral surface is provided with screw thread.
7. camera lens module comprises microscope base and as each described eyeglass of claim 1 to 4, described microscope base has accepting hole, and hole wall is provided with the screw thread with the threads engaged of eyeglass, and described eyeglass screws in the accepting hole that is installed on microscope base by screw thread.
8. camera lens module comprises microscope base and as each described eyeglass of claim 5 to 6, described microscope base has accepting hole, and hole wall is provided with the screw thread with the threads engaged of eyeglass, and described eyeglass screws in the accepting hole that is installed on microscope base by screw thread.
9. camera lens module as claimed in claim 8 is characterized in that, described camera lens module also comprises at least one lens, and described lens are fixedly arranged in the containing hole of holding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102023830A CN101430410B (en) | 2007-11-05 | 2007-11-05 | Lens and lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102023830A CN101430410B (en) | 2007-11-05 | 2007-11-05 | Lens and lens module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101430410A CN101430410A (en) | 2009-05-13 |
| CN101430410B true CN101430410B (en) | 2011-02-02 |
Family
ID=40645911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007102023830A Expired - Fee Related CN101430410B (en) | 2007-11-05 | 2007-11-05 | Lens and lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101430410B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893744B (en) * | 2009-05-18 | 2014-04-23 | 鸿富锦精密工业（深圳）有限公司 | Lens and assembly method thereof |
| TWI453486B (en) * | 2009-11-05 | 2014-09-21 | Hon Hai Prec Ind Co Ltd | Lens group and lens module having same |
| CN102412501A (en) * | 2011-11-09 | 2012-04-11 | 何少敏 | Laser head |
| CN107650327B (en) * | 2017-09-29 | 2024-02-27 | 温州乐邦光电科技有限公司 | Laser head and forming die thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177641A (en) * | 1989-10-31 | 1993-01-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Structure for holding lens in lens holding member |
-
2007
- 2007-11-05 CN CN2007102023830A patent/CN101430410B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5177641A (en) * | 1989-10-31 | 1993-01-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Structure for holding lens in lens holding member |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平11-231191A 1999.08.27 |
| JP特开平9-274125A 1997.10.21 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101430410A (en) | 2009-05-13 |
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