CN208721866U - Lens module - Google Patents
Lens module Download PDFInfo
- Publication number
- CN208721866U CN208721866U CN201821047130.0U CN201821047130U CN208721866U CN 208721866 U CN208721866 U CN 208721866U CN 201821047130 U CN201821047130 U CN 201821047130U CN 208721866 U CN208721866 U CN 208721866U
- Authority
- CN
- China
- Prior art keywords
- lens
- optical filter
- bracket
- chip
- lens barrel
- 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
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model discloses a kind of lens module, including PCB substrate, chip, optical filter and bracket, the chip is set to PCB substrate upper surface, the optical filter is set to chip upper surface, a lens group is provided on the mounting plate of the bracket, the mounting plate of the bracket is located above optical filter, the lens group is located above optical filter, the lens group includes lens barrel and several lens being fixed in lens barrel, the lens barrel lower surface has a downward extension, this extension bottom surface and optical filter connect, there is a gap between the side plate lower surface and PCB substrate upper surface of the bracket at mounting plate edge.The distance between lens group and optical filter can be fixed on pinpointed focus by the utility model always, eliminated the process of later period focusing, facilitated subsequent use, save the time of focusing.
Description
Technical field
The utility model relates to a kind of lens modules, belong to optical finger print mould group and camera technical field.
Background technique
With smart phone, the development in the fields such as mobile payment, information security is also had received widespread attention, internet
Mobile terminal changes from conventional cipher, gesture identification to fingerprint recognition.Optical fingerprint sensor wants specific capacitance formula sensor to have more
High resolution ratio, and unlike condenser type corrosion-vulnerable, abrasion and electrostatic interference are destroyed.Camera lens mould in existing optical recognition component
Group is needed by adjusting the distance between lens and imaging area, i.e. focal length, to reach optimal imaging effect, however focusing
Adjusting need professional to assist operating with tool, take time and effort.
Utility model content
The purpose of the utility model is to provide a kind of lens module, which can will be between lens group and optical filter
Distance be fixed on pinpointed focus always, eliminate the later period focusing process, facilitate subsequent use, save the time of focusing.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of lens module, including PCB substrate, core
Piece, optical filter and bracket, the chip are set to PCB substrate upper surface, and the optical filter is set to chip upper surface；
A lens group is provided on the mounting plate of the bracket, the mounting plate of the bracket is located above optical filter, described
Lens group is located above optical filter, and the lens group includes lens barrel and several lens being fixed in lens barrel, the lens barrel following table
Face has a downward extension, this extension bottom surface and optical filter connect, the bracket positioned at mounting plate edge
There is a gap between side plate lower surface and PCB substrate upper surface.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, the gap size between the side plate lower surface and PCB substrate upper surface of the bracket is 5 μm
~100 μm.
2. in above scheme, glue is filled in the gap between the side plate lower surface and PCB substrate upper surface of the bracket
Glutinous layer.
3. in above scheme, the length of the extension is 0.5mm~5mm.
4. in above scheme, the optical filter is fixed with die bonding.
5. 2 convex lenses are fixed in above scheme, in the lens barrel in parallel.
6. in above scheme, being provided with an optical look angle above the camera lens.
7. in above scheme, the lens barrel is cylindrical lens barrel.
8. in above scheme, the lens are round lens.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
The distance between lens group and optical filter can be fixed on pinpointed focus by the utility model lens module always,
The process for eliminating later period focusing, facilitates subsequent use, saves the time of focusing；Secondly, its lens barrel lower surface have one to
Under extension, this extension bottom surface and optical filter connect, positioned at the side plate lower surface of the bracket at mounting plate edge
Have a gap can be in the process of lens module group assembling by the setting of extension and gap between PCB substrate upper surface
In, the distance between accurate lens guaranteed in lens group and optical filter and ensure assembling at the convenient assembling to lens module
Precision, furthermore, it is only necessary to adjust the length of lens barrel extension, so that it may adjust between the lens of lens group and optical filter away from
From to be suitable for the demand of different type chip, so that the distance between the lens and optical filter in lens group remain most
It is good, guarantee optimal vision definition and effect.
Detailed description of the invention
Attached drawing 1 is the utility model lens module structural schematic diagram.
In the figures above: 1, PCB substrate；2, chip；3, optical filter；4, bracket；41, mounting plate；42, side plate；5, camera lens
Group；6, lens barrel；7, lens；8, extension；9, gap；10, adhesive layer.
Specific embodiment
Embodiment 1: a kind of lens module, including PCB substrate 1, chip 2, optical filter 3 and bracket 4, the chip 2 are arranged
In 1 upper surface of PCB substrate, the optical filter 3 is set to 2 upper surface of chip；
A lens group 5 is provided on the mounting plate 41 of the bracket 4, the mounting plate 41 of the bracket 4 is located on optical filter 3
Side, the lens group 5 are located at 3 top of optical filter, and the lens group 5 includes lens barrel 6 and several lens 7 being fixed in lens barrel 6,
6 lower surface of lens barrel has a downward extension 8, this 8 bottom surface of extension and optical filter 3 connect, and is located at mounting plate
There is a gap 9 between 1 upper surface of 42 lower surface of side plate and PCB substrate of the bracket 4 at 41 edges.
Gap size between 1 upper surface of 42 lower surface of side plate and PCB substrate of above-mentioned bracket 4 is 200 μm；Above-mentioned extension
The length in portion 8 is 2mm；Gluing is filled in gap 9 between 1 upper surface of 42 lower surface of side plate and PCB substrate of above-mentioned bracket 4
Layer 10；An optical look angle is provided with above above-mentioned lens group 5.
Embodiment 2: a kind of lens module, including PCB substrate 1, chip 2, optical filter 3 and bracket 4, the chip 2 are arranged
In 1 upper surface of PCB substrate, the optical filter 3 is set to 2 upper surface of chip；
A lens group 5 is provided on the mounting plate 41 of the bracket 4, the mounting plate 41 of the bracket 4 is located on optical filter 3
Side, the lens group 5 are located at 3 top of optical filter, and the lens group 5 includes lens barrel 6 and several lens 7 being fixed in lens barrel 6,
6 lower surface of lens barrel has a downward extension 8, this 8 bottom surface of extension and optical filter 3 connect, and is located at mounting plate
There is a gap 9 between 1 upper surface of 42 lower surface of side plate and PCB substrate of the bracket 4 at 41 edges.
Gap size between 1 upper surface of 42 lower surface of side plate and PCB substrate of above-mentioned bracket 4 is 30 μm；Above-mentioned extension
The length in portion 8 is 3mm；Said lens 7 are round lens；Above-mentioned optical filter 3 is adhesively fixed with chip 2；It is parallel in above-mentioned lens barrel 6
It is fixed with 2 convex lenses；Above-mentioned lens barrel 6 is cylindrical lens barrel.
When using above-mentioned lens module, the distance between lens group and optical filter can be fixed on to best coke always
Away from, eliminate the later period focusing process, facilitate subsequent use, save the time of focusing；Secondly, passing through extension and gap
Setting, can be during lens module group assembling, and the distance between the accurate lens guaranteed in lens group and optical filter are convenient
To the precision of lens module assembled and ensure to assemble, furthermore, it is only necessary to adjust the length of lens barrel extension, so that it may adjust mirror
Lens and the distance between optical filter of head group, to be suitable for the demand of different type chip so that lens in lens group and
The distance between optical filter remains most preferably, guarantees optimal vision definition and effect.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of lens module, it is characterised in that: described including PCB substrate (1), chip (2), optical filter (3) and bracket (4)
Chip (2) is set to PCB substrate (1) upper surface, and the optical filter (3) is set to chip (2) upper surface；
It is provided with a lens group (5) on the mounting plate (41) of the bracket (4), the mounting plate (41) of the bracket (4) is located at filter
Above mating plate (3), the lens group (5) is located above optical filter (3), and the lens group (5) includes lens barrel (6) and several fixations
In the lens (7) in lens barrel (6), lens barrel (6) lower surface has a downward extension (8), this extension (8) bottom surface with
Optical filter (3) connects, and is located at side plate (42) lower surface and PCB substrate (1) of the bracket (4) at mounting plate (41) edge
There are a gap (9) between upper surface.
2. lens module according to claim 1, it is characterised in that: side plate (42) lower surface of the bracket (4) and PCB
Gap size between substrate (1) upper surface is 5 μm~100 μm.
3. lens module according to claim 1, it is characterised in that: side plate (42) lower surface of the bracket (4) and PCB
Adhesive layer (10) are filled in gap (9) between substrate (1) upper surface.
4. lens module according to claim 1, it is characterised in that: the length of the extension (8) is 0.5mm~5mm.
5. lens module according to claim 1, it is characterised in that: the optical filter (3) is adhesively fixed with chip (2).
6. lens module according to claim 1, it is characterised in that: be fixed with 2 convex lens in parallel in the lens barrel (6)
Mirror.
7. lens module according to claim 1, it is characterised in that: be provided with optics view above the lens group (5)
Angle.
8. lens module according to claim 1, it is characterised in that: the lens barrel (6) is cylindrical lens barrel.
9. lens module according to claim 1, it is characterised in that: the lens (7) are round lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047130.0U CN208721866U (en) | 2018-07-03 | 2018-07-03 | Lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047130.0U CN208721866U (en) | 2018-07-03 | 2018-07-03 | Lens module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721866U true CN208721866U (en) | 2019-04-09 |
Family
ID=65972637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047130.0U Expired - Fee Related CN208721866U (en) | 2018-07-03 | 2018-07-03 | Lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114683A (en) * | 2020-08-26 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Augmented reality device assembling method and augmented reality device |
-
2018
- 2018-07-03 CN CN201821047130.0U patent/CN208721866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114683A (en) * | 2020-08-26 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Augmented reality device assembling method and augmented reality device |
| WO2022042443A1 (en) * | 2020-08-26 | 2022-03-03 | 宁波舜宇光电信息有限公司 | Augmented reality device assembly method and augmented reality device |
| CN114114683B (en) * | 2020-08-26 | 2022-12-06 | 宁波舜宇光电信息有限公司 | Augmented reality device assembling method and augmented reality device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190409 |