CN207008259U - Camera module - Google Patents
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- CN207008259U CN207008259U CN201720951333.1U CN201720951333U CN207008259U CN 207008259 U CN207008259 U CN 207008259U CN 201720951333 U CN201720951333 U CN 201720951333U CN 207008259 U CN207008259 U CN 207008259U
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- optical filter
- camera module
- module according
- lens group
- thickness
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Abstract
A kind of camera module is the utility model is related to, including：Module shell；Lens group, it is arranged in the module shell；Sensitive chip, it is arranged in the module shell, positioned at the image side of the lens group；Optical filter, positioned at the thing side of the lens group；The lens group is between optical filter and sensitive chip；The optical filter is located at the outside of the module shell.The utility model camera module can effectively reduce the use of protection eyeglass, and small volume, thickness of thin, cost are low, and can effectively reduce veiling glare, lifting shooting quality.
Description
Technical field
It the utility model is related to a kind of camera module, more particularly to a kind of camera module that can reduce veiling glare.
Background technology
From after sensitive chip CMOS/CCD (hereinafter referred to as sensor) rise, cutoff filter is (hereinafter referred to as
IRCF) market develops rapidly, but mobile phone module is anti-because IRCF addition causes CMOS/CCD surfaces and IRCF surfaces to be formed repeatedly
Penetrate, veiling glare, ghost, petal-shaped astigmatism when formation is imaged etc..
As the smalt absorption IRCF similar with smalt application, veiling glare etc. has greatly improved, but still
Veiling glare is reflected without thoroughly solving IRCF and sensor.
In addition, because traditional camera module IRCF is fixed on the microscope base or base under lens group, and microscope base or
Person's base so generally volume is larger, so causes entirely to image mould in order that have certain distance between IRCF and sensor
The volume of group is larger, and thickness is larger.
The content of the invention
The purpose of this utility model is that veiling glare, and small volume, especially thickness can effectively be reduced by providing one kind
Thin camera module.
For achieving the above object, the utility model provides a kind of camera module, including：
Module shell；
Lens group, it is arranged in the module shell；
Sensitive chip, it is arranged in the module shell, positioned at the image side of the lens group；
Optical filter, positioned at the thing side of the lens group；
The lens group is between the optical filter and sensitive chip；
The optical filter is located at the outside of the module shell.
According to an aspect of the present invention, the optical filter is coated on by base material and successively on a surface of the base material
Absorber coatings and IR-cut film layer form, the Mohs' hardness of the glass baseplate be H, H span satisfaction：5≤H≤
9。
According to an aspect of the present invention, the thickness of the optical filter is 0.21-0.5mm；
Wherein, the material of the base material is glass, and its thickness is 0.03-0.3mm, and the thickness of the absorber coatings is
0.005-0.18mm。
According to an aspect of the present invention, the thickness of the base material is 0.21mm, punctures stress>4Kgf.
According to an aspect of the present invention, the global shape of the optical filter is square or circular.
According to an aspect of the present invention, the global shape of the optical filter is square, and corner is fillet.
According to an aspect of the present invention, the lens group includes at least a piece of lens.
According to an aspect of the present invention, it is 0- close to the lens of the optical filter and the distance of the optical filter
1mm。
According to an aspect of the present invention, wavelength is 725nm-1100nm 0 ° -30 ° of incident light transmittance maximum
Tmax<2%, average value Tave<0.5%.
According to an aspect of the present invention, wavelength is 435nm-600nm 0 ° -30 ° incident light transmittance minimum value Tmin>
80%, average value Tave>88%.
According to an aspect of the present invention, wavelength is 350nm-390nm 0 ° -30 ° incident light transmittance average value Tave
≤ 2%.
According to an aspect of the present invention, the IR-cut film layer side incidence light transmittance of the optical filter (4) is
0 ° at 50% and the wavelength difference scope of 30 ° of incident light are 0 ＜ Δ λ ＜ 5nm.
According to an aspect of the present invention, the module shell is formed in one setting.
According to an aspect of the present invention, the edge of the optical filter has printed patterns.
According to camera module of the present utility model, it is different from traditional camera module and optical filter is arranged on lens group image side
Arrangement, optical filter is arranged on to the thing side of module shell, can effectively avoid traditional camera module filtered inside piece and photosensitive
Occur phenomena such as veiling glare, astigmatism when being imaged caused by chip surface reflection light, improve image quality.In addition, tradition shooting mould
Optical filter is arranged on the arrangement of lens group image side by group, and optical filter and sensitive chip are set with certain distance so that module
Volume is larger.And optical filter is arranged on to the thing side of module shell, the setting of camera module filtered inside piece is eliminated, is saved
The space hold of arrangement optical filter inside camera module so that the volume of camera module diminishes, especially the thickness of camera module
What is become is thinner.Optical filter is arranged on the thing side of module shell simultaneously, eliminates the use of protective glass, also causes the thickness of module
Reduce.
It is that there is absorber coatings and IR-cut on a surface of glass baseplate according to optical filter of the present utility model
The structure of film layer, this structure make it that the puncture stress of optical filter is bigger, while can retaining glass structure intensity, with absorption
Mode filters out feux rouges.In addition, the thickness of the optical filter of said structure is 0.21-0.5mm, relative to optical filtering of the prior art
For piece, of the present utility model filter is formed with the absorber coatings and IR-cut film layer that thickness is 0.005-0.18mm in plating, this
Sample one, the intensity and optical property of optical filter as described above are met or improved, and this causes according to the utility model
Camera module imaging performance it is outstanding.And optical filter is arranged on the thing side of module shell, reduce making for a piece of protective glass
With also so that the thickness of module has reduced.Mobile phone is used for according to camera module of the present utility model, because the body of camera module
Product and thickness reduce, and make mobile phone thinner so being advantageous to mobile phone producer, more meet mobile phone to the trend of lightening development.
Brief description of the drawings
Fig. 1 is to schematically show the section view arranged according to a kind of structure of camera module of embodiment of the present utility model
Figure；
Fig. 2 is schematically shown according to a kind of structural representation of the optical filter of embodiment of the present utility model；
Fig. 3 is schematically shown according to a kind of spectrum character diagram of the camera module of embodiment of the present utility model.
Embodiment
, below will be to implementing in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in mode.It should be evident that drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skills, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
When being described for embodiment of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation expressed by " outer " or position relationship are
Based on the orientation or position relationship shown in relevant drawings, it is for only for ease of description the utility model and simplified and describes, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore on
Term is stated it is not intended that to limitation of the present utility model.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment can not herein one
One repeats, but therefore embodiment of the present utility model is not defined in implementation below.
Fig. 1 is to schematically show the section view arranged according to a kind of structure of camera module of embodiment of the present utility model
Figure.As shown in figure 1, module shell 1, lens group 2, sensitive chip 3 and optical filter are included according to camera module of the present utility model
4.Lens group 2 and sensitive chip 3 are arranged on the inside of module shell 1, and optical filter 4 is arranged on the outside of module shell 1, i.e. Fig. 1
The thing side of middle module shell 1.According to a kind of embodiment of the present utility model, module shell 1 is split type construction, such as module
Shell 1 individually can partly be formed by two, and in 2 installed therein parts of lens group, sensitive chip 3 is arranged in addition
In a part, it is fixedly connected between single two parts.Certainly, module shell 1 can also be by more unitary part groups
Into in lens group 2 installed therein one, sensitive chip 3 is arranged in another part, and multiple unitary parts are fixed successively to be connected
Connect, as long as meeting structural strength, meet that lens group 2 is located at the thing side of sensitive chip 3 and met the requirements.
According to camera module of the present utility model, lens group 2, which comprises at least, 1 lens 201, in the present embodiment,
Lens group includes 5 lens 201.Sensitive chip 3 is located at the image side of lens group 2, and optical filter 4 is located at the thing side of lens group 2.I.e. such as
Shown in Fig. 1, sensitive chip 3 is arranged on the lower section of lens group 2, and optical filter 4 is arranged on the top of lens group 2.It is new according to this practicality
The optical filter 4 of type is arranged on the thing side of module shell 1, is deposited in lens group 2 between the lens 201 and optical filter 4 of optical filter 4
In gap, the size in gap is 0-1mm.I.e. optical filter 4 can be supported on the lens 201 of the top in lens group 2, also may be used
There is the thing side for being fixed on module shell 1 of certain distance with the lens 201 with the top in lens group 2.And the fixation of optical filter 4
Form does not have limitation, such as optical filter 4 can be fixed in the upside of module shell 1 using glue, support etc.,
Covered after optical filter 4 being directly anchored into handset finished product.
According to above-mentioned setting of the present utility model, it is different from camera module in the prior art and is arranged on optical filter 4
The arrangement of the image side of microscope group 2, optical filter 4 is arranged on to the thing side of module shell 1, can effectively avoided in traditional camera module
Occur phenomena such as veiling glare, astigmatism when being imaged caused by portion's optical filter 4 and the surface reflection line of sensitive chip 3, improve image quality.
In addition, optical filter is arranged on the arrangement of lens group image side by traditional camera module, optical filter and sensitive chip are set with one
Set a distance so that modular volume is larger.And optical filter 4 is arranged on to the thing side of module shell 1, eliminate and filtered inside camera module
The setting of mating plate, save the space hold of arrangement optical filter inside camera module so that the volume of camera module diminishes, especially
It is the thinner of the thickness change of camera module.Optical filter is arranged on the thing side of module shell 1 simultaneously, eliminates making for protective glass
With also so that the thickness of module reduces.
According to another embodiment of the present utility model, as shown in figure 1, optical filtering 4 is arranged on the thing side of module shell 1,
Module shell 1 includes lens installation portion 101 and sensitive chip installation portion 102.Sensitive chip installation portion 102 is located at lens installation portion
101 image sides, lens installation portion 101 are fixedly connected with sensitive chip installation portion 102, i.e. module shell 1 is formed in one construction.Thoroughly
Mirror installation portion 101 and sensitive chip installation portion 102 are respectively provided with cylindrical cavity, and lens group 2 is fixedly installed in lens installation
In the cavity in portion 101, sensitive chip 3 is fixedly installed in the cavity of sensitive chip installation portion 102.
According to the above-mentioned setting of the present invention, optical filter 4 is arranged on the thing side of module shell 1, reduces protective glass use
And then reduce the thickness of module.And module shell 1 is formed in one structure, further eliminate such as junction need it is reserved
Space is used for coating glue, at the same lens group 2 with sensitive chip 3 in module be fixedly connected it is also more simple and convenient, and not
Excessive space is occupied, simplifies camera module structure, is also beneficial to reduce the volume and thickness of module.
Fig. 2 is schematically shown according to a kind of structural representation of the optical filter of embodiment of the present utility model.According to
Optical filter 4 of the present utility model, including base material and the absorber coatings and infrared cut coating that are coated on one surface of base material successively
Layer.In the present embodiment, as shown in Fig. 2 absorber coatings and IR-cut film layer are coated on the upper surface of base material successively.Root
It is square or circular according to the global shape of optical filter 4 of the present utility model, when optical filter 4 is square, pacifies for ease of fixed
Dress, while reduce stress concentration, the corner of optical filter 4 is fillet.In the present embodiment, the material of base material is glass, can be with
It is D263T glass, smalt, quartz glass etc..The Mohs' hardness of glass baseplate is H, 5≤H≤9.According to of the present utility model
The thickness of optical filter 4 is 0.21-0.5mm, and the thickness of glass baseplate is 0.03-0.3mm, and the thickness of absorber coatings is 0.005-
0.18mm.In the present embodiment, the thickness of glass baseplate is 0.21mm, the puncture stress ＞ 4Kgf of base material.In addition, optical filter
4 IR-cut film layer can be that any coating process is made, for example with thermal evaporation coating process, ion auxiliary thermal evaporation plating
Membrane process, magnetron sputtering membrane process, chemical deposition coating process etc..
It is that there is absorber coatings and infrared section on a surface of glass baseplate according to optical filter 4 of the present utility model
The only structure of film layer, this structure make it that the puncture stress of optical filter 4 is bigger, while can retaining glass structure intensity, to inhale
The mode of receipts filters out feux rouges.In addition, the thickness of the optical filter 4 of said structure is 0.21-0.5mm, relative in the prior art
Optical filter for, optical filter 4 of the present utility model plating be formed with thickness be 0.005-0.18mm absorber coatings and infrared section
Only film layer, so, the intensity and optical property of optical filter 4 as described above are met or improved, and this causes basis
The imaging performance of camera module of the present utility model is outstanding.And optical filter 4 is arranged on the thing side of module shell 1, reduce a piece of
The use of protective glass, also the thickness of module is reduced.Mobile phone is used for according to camera module of the present utility model, because
The volume and thickness of camera module reduce, and make mobile phone thinner so being advantageous to mobile phone producer, more meet mobile phone to lightening
The trend of development.
Fig. 3 is schematically shown according to a kind of spectrum character diagram of the camera module of embodiment of the present utility model.Such as
Shown in Fig. 3, according to camera module of the present utility model, 0 ° -30 ° of the incident light transmittance that wavelength is 725nm-1100nm is maximum
Value Tmax<2%, average value Tave<0.5%.Wavelength is 435nm-600nm 0 ° -30 ° incident light transmittance minimum value Tmin>
80%, average value Tave>88%.Wavelength is 350nm-390nm 0 ° -30 ° incident light transmittance average value Tave≤2%.By
Fig. 2 is understood, according to camera module of the present utility model, can effectively be reduced veiling glare and be entered optical system, be advantageous to raising and take the photograph
As quality.In the present embodiment, the IR-cut film layer side incidence light transmittance of optical filter 4 be 50% at 0 ° with 30 °
The wavelength difference scope of incident light is 0 ＜ Δ λ ＜ 5nm.
According to another embodiment of the present utility model, the surrounding of optical filter 4 can also have printed patterns, for hiding
Stopper light splitter, it can further reduce the interference of veiling glare.The surface of optical filter 4, which can also plate, is formed with anti-fingerprint film layer, superhard resistance to
The film layer that rubs etc., can effectively protect optical filter 4, increase the service life.
A scheme of the present utility model is the foregoing is only, the utility model is not limited to, for ability
For the technical staff in domain, the utility model can have various modifications and variations.It is all the spirit and principles of the utility model it
It is interior, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (14)
1. a kind of camera module, including：
Module shell (1)；
Lens group (2), it is arranged in the module shell (1)；
Sensitive chip (3), it is arranged in the module shell (1), positioned at the image side of the lens group (2)；Characterized in that,
Optical filter (4), positioned at the thing side of the lens group (2)；
The lens group (2) is between the optical filter (4) and sensitive chip (3)；
The optical filter (4) is located at the outside of the module shell (1).
2. camera module according to claim 1, it is characterised in that the optical filter (4) is coated on by base material and successively
Absorber coatings and IR-cut film layer on one surface of the base material are formed, and the Mohs' hardness of the base material is H, and H's takes
It is worth scope to meet：5≤H≤9.
3. camera module according to claim 2, it is characterised in that the thickness of the optical filter (4) is 0.21-0.5mm；
Wherein, the material of the base material is glass, and its thickness is 0.03-0.3mm, and the thickness of the absorber coatings is 0.005-
0.18mm。
4. camera module according to claim 3, it is characterised in that the thickness of the base material is 0.21mm, punctures stress>
4Kgf。
5. camera module according to claim 4, it is characterised in that the global shape of the optical filter (4) to be square or
Person is circular.
6. camera module according to claim 5, it is characterised in that the global shape of the optical filter (4) is square, and
Corner is fillet.
7. camera module according to claim 6, it is characterised in that the lens group (2) includes at least a piece of lens
(201)。
8. camera module according to claim 7, it is characterised in that close to the lens (201) of the optical filter (4)
Distance with the optical filter (4) is 0-1mm.
9. camera module according to claim 8, it is characterised in that wavelength is 725nm-1100nm 0 ° -30 ° of incidence
Light transmittance maximum of T max<2%, average value Tave<0.5%.
10. camera module according to claim 9, it is characterised in that wavelength is 435nm-600nm 0 ° of -30 ° of incident light
Penetrance minimum value Tmin>80%, average value Tave>88%.
11. camera module according to claim 10, it is characterised in that wavelength is 350nm-390nm 0 ° of -30 ° of incidence
Light transmittance average value Tave≤2%.
12. camera module according to claim 11, it is characterised in that the infrared cut coating of the optical filter (4)
Layer side incidence light transmittance is that the wavelength difference scope of 0 ° and 30 ° of incident light at 50% is 0 ＜ Δ λ ＜ 5nm.
13. camera module according to claim 12, the module shell (1) is formed in one setting.
14. the camera module according to one of claim 1 to 13, it is characterised in that the edge of the optical filter (4) has
Printed patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951333.1U CN207008259U (en) | 2017-08-01 | 2017-08-01 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951333.1U CN207008259U (en) | 2017-08-01 | 2017-08-01 | Camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008259U true CN207008259U (en) | 2018-02-13 |
Family
ID=61456901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720951333.1U Expired - Fee Related CN207008259U (en) | 2017-08-01 | 2017-08-01 | Camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008259U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407443A (en) * | 2018-12-20 | 2019-03-01 | 宁波舜宇光电信息有限公司 | A kind of camera module |
| CN110320729A (en) * | 2019-08-20 | 2019-10-11 | 宁波为森智能传感技术有限公司 | Camera module |
| WO2021063148A1 (en) * | 2019-09-30 | 2021-04-08 | 维沃移动通信有限公司 | Optical module and electronic device |
| CN114697472A (en) * | 2020-12-25 | 2022-07-01 | 宁波舜宇光电信息有限公司 | Camera module and electronic equipment with camera module |
-
2017
- 2017-08-01 CN CN201720951333.1U patent/CN207008259U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407443A (en) * | 2018-12-20 | 2019-03-01 | 宁波舜宇光电信息有限公司 | A kind of camera module |
| CN109407443B (en) * | 2018-12-20 | 2021-03-19 | 宁波舜宇光电信息有限公司 | Camera module |
| CN110320729A (en) * | 2019-08-20 | 2019-10-11 | 宁波为森智能传感技术有限公司 | Camera module |
| CN110320729B (en) * | 2019-08-20 | 2024-02-02 | 浙江舜宇智领技术有限公司 | Camera module |
| WO2021063148A1 (en) * | 2019-09-30 | 2021-04-08 | 维沃移动通信有限公司 | Optical module and electronic device |
| CN114697472A (en) * | 2020-12-25 | 2022-07-01 | 宁波舜宇光电信息有限公司 | Camera module and electronic equipment with camera module |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |