CN208351024U - Film layer structure and lens barrel comprising the film layer structure - Google Patents
Film layer structure and lens barrel comprising the film layer structure Download PDFInfo
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- CN208351024U CN208351024U CN201821088410.6U CN201821088410U CN208351024U CN 208351024 U CN208351024 U CN 208351024U CN 201821088410 U CN201821088410 U CN 201821088410U CN 208351024 U CN208351024 U CN 208351024U
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Abstract
The utility model relates to a kind of film layer structure and include the lens barrel of the film layer structure, comprising: anti-reflection film layer, including the high refractive index material layer and low refractive index material layer being alternately stacked；First membrane waterproofing, along the direction far from the lens barrel, the outside of the anti-reflection film layer is arranged in first membrane waterproofing.The film layer structure of the utility model, it is coated on lens barrel surface, advantageously reduce the reflected intensity on lens barrel surface, it can play the role of preventing scratch, pollution simultaneously, there is good image quality so as to which the camera module for the lens barrel assembling for being formed with the utility model film layer structure using plating is effectively ensured.
Description
Technical field
The utility model belongs to lens barrel coating technique field more particularly to a kind of for reducing lens barrel surface reflection intensity
Film layer structure.
Background technique
With the fast development of mobile phone industry, mobile phone camera has developed to three and has taken the photograph from singly taking the photograph, powerful function of taking pictures
The important attraction of mobile phone can be had become, market demand is huge.However market is also higher and higher for the requirement for imaging performance,
Traditional camera lens, since lens barrel surface meeting reflection light will necessarily form certain interference to optical system, so as to cause imaging
It is poor quality.In order to increase the consistency of panel visual, need to carry out plated film on lens barrel surface.Lens barrel is coated in the prior art
Film layer reduce lens barrel surface reflection performance it is bad, and the lens barrel after plated film when being assembled with other assemblies be easy pair
Lens barrel film layer causes situations such as scratch, pollution, influences final image quality.
Utility model content
The purpose of this utility model is to provide a kind of film layer structure and comprising the lens barrel of the film layer structure, lens barrel table is reduced
Face reflected intensity solves the problems, such as that film layer easily abrades pollution simultaneously.
To achieve the above object, the utility model provides a kind of film layer structure, is coated on lens barrel surface, comprising:
Anti-reflection film layer, including the high refractive index material layer low refractive index material layer being alternately stacked；
Membrane waterproofing, along the direction far from the lens barrel, the outside of the anti-reflection film layer is arranged in the membrane waterproofing.
One aspect according to the present utility model, the membrane waterproofing are coated in the low refractive index material layer.
One aspect according to the present utility model, along the direction far from the lens barrel, the structure of the anti-reflection film layer can
To be expressed as L (HL) * n, wherein H indicates high refractive index material layer, and L indicates that low-index material, (HL) * n indicate high refractive index
Material layer and low refractive index material layer are arranged alternately n times, and n is the integer more than or equal to 1.
One aspect according to the present utility model, along the direction far from the lens barrel, the structure of the anti-reflection film layer can be with
It is expressed as (HL) * n, wherein H indicates high refractive index material layer, and L indicates that low-index material, (HL) * n indicate high-index material
Layer and low refractive index material layer are arranged alternately n times, and n is the integer more than or equal to 1.
One aspect according to the present utility model, along the direction far from the lens barrel, the anti-reflection film layer successively includes the
One high refractive index material layer, the second low refractive index material layer, third high refractive index material layer, the 4th low refractive index material layer,
Five high refractive index material layers and the 6th low refractive index material layer.
One aspect according to the present utility model, first high refractive index material layer it is low with a thickness of 5-25nm, second
Refractive index material with a thickness of 10-55nm, third high refractive index material layer with a thickness of 20-90nm, the 4th low-refraction material
The bed of material with a thickness of 4-25nm, the 5th high refractive index material layer with a thickness of 15-80nm, the thickness of the 6th low refractive index material layer
For 30-150nm.
One aspect according to the present utility model, the high refractive index material layer are the material layer that refractive index is higher than 2.0, choosing
One of autoxidation zirconium, tantalum oxide, titanium pentoxide or lanthanium titanate are a variety of；
The low refractive index material layer is material layer of the refractive index less than 1.8, is selected from silicon monoxide, silica, oxidation
One of aluminium, silicon-aluminum mixture, magnesium fluoride or chromium oxide are a variety of.
One aspect according to the present utility model, the anti-reflection film layer with a thickness of 150-600nm, reflection wavelength 400-
700nm, reflectivity is less than 0.7%.
One aspect according to the present utility model, along the direction far from the lens barrel, the anti-reflection film layer successively includes the
The layer of oxide material of one chromium and the second silicon dioxide material layer,
The layer of oxide material of first chromium with a thickness of 30-500nm；
Second silicon dioxide material layer with a thickness of 10-200nm.
One aspect according to the present utility model, the membrane waterproofing are made of fluoride, and water contact angle is greater than 110 °, thickness
Degree is 4-20nm.
To achieve the above object, the utility model provides a kind of lens barrel, including lens barrel ontology and is coated on the lens barrel sheet
Film layer structure on body surface face.
The film layer structure of a scheme according to the present utility model, the utility model is equipped with anti-reflection film layer, anti-reflection film layer
With a thickness of 150-600nm, anti-reflection film layer is by selected from one of zirconium oxide, tantalum oxide, titanium pentoxide or lanthanium titanate or more
Kind high refractive index material layer and in silicon monoxide, silica, aluminium oxide, silicon-aluminum mixture, magnesium fluoride or chromium oxide
One or more low refractive index material layers be alternately coated with, change it by adjusting the corresponding reflected intensity of different wave length
Surface color makes it that black be presented, can reduce the reflected intensity of lens barrel, make the reflection of the visible light of wavelength 400-700nm
Rate is less than 0.7%, to be conducive to improve image quality.
A scheme according to the present utility model, anti-reflection film layer is successively by the layer of oxide material of the first chromium and the second dioxy
Silicon nitride material layer is coated with, and makes anti-reflection film layer itself that black be presented, and the reflection that lens barrel surface is reduced while promoting aesthetic feeling is strong
Degree, promotes the production yield of product.
A scheme according to the present utility model, membrane waterproofing are made of fluoride, and with a thickness of 4-20nm, water contact angle is big
In 110 °, has the advantages that hardness height, good waterproof performance, anti-reflection film layer can be played a certain protective role, plating is avoided to be formed with
The lens barrel of the film layer structure of the utility model when being assembled with other assemblies to coated film layer cause scratch, pollution
It happens.
Detailed description of the invention
Fig. 1 is schematically shown according to a kind of configuration diagram of the film layer structure of embodiment of the utility model；
Fig. 2 is the configuration diagram for schematically showing the film layer structure for implementing place according to second of the utility model；
Fig. 3 is the top view for schematically showing the lens barrel for being coated with the utility model film layer structure.
Meaning representated by each label is as follows in attached drawing:
A, film layer structure.1, anti-reflection film layer.2, membrane waterproofing.11, the first high refractive index material layer.12, the second low refraction
Rate material layer.13, third high refractive index material layer.14, the 4th low refractive index material layer.15, the 5th high refractive index material layer.
16, the 6th low refractive index material layer.The layer of oxide material of 1a, the first chromium.1b, the second silicon dioxide material layer.
Specific embodiment
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Attached drawing needed in mode is briefly described.It should be evident that the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skills without creative efforts, can be with
It obtains other drawings based on these drawings.
When being described for the embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship is expressed by "outside"
Based on orientation or positional relationship shown in relevant drawings, it is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is not defined in following implementation.
In conjunction with shown in Fig. 1 and Fig. 3, film layer structure A according to the present utility model includes anti-reflection film layer 1 and membrane waterproofing 2.This
The film layer structure of utility model is coated on lens barrel body surface, along the direction far from lens barrel, anti-reflection film layer 1 and membrane waterproofing
2 set gradually, i.e., anti-reflection film layer 1 is coated on lens barrel surface, and membrane waterproofing 2 is coated in anti-reflection film layer 1.
The anti-reflection film layer 1 of the utility model be alternately stacked high refractive index material layer and low-index material made of.
Specifically, according to a kind of embodiment of the utility model anti-reflection film layer 1, the structure of anti-reflection film layer 1 can be expressed as (HL) * n,
Wherein H indicates high refractive index material layer, and L indicates that low-index material, (HL) * n are indicated along the direction far from lens barrel, height refraction
Rate material layer and low refractive index material layer are arranged alternately n times, and n is the integer more than or equal to 1.According to the utility model antireflective film
In the another embodiment of layer 1, the structure of anti-reflection film layer 1 is also denoted as L (HL) * n, and wherein H indicates high refractive index material
The bed of material, L indicate that low-index material, (HL) * n are indicated along the direction far from the lens barrel, high refractive index material layer and low folding
The rate material layer of penetrating is arranged alternately n times, and n is the integer more than or equal to 1.
It can be seen from the above, along the direction far from lens barrel surface, film layer of the anti-reflection film layer 1 near lens barrel surface can be
High refractive index material layer or low refractive index material layer, when it is even number that anti-reflection film layer 1, which includes film layer number altogether, close to lens barrel surface
Film layer be high refractive index material layer, when anti-reflection film layer 1 altogether include film layer number be odd number when, close to lens barrel surface film layer be it is low
Refractive index material.It should be noted that no matter most close to the film layer on lens barrel surface when high refractive index material layer or low refraction
Rate material layer, the outermost of anti-reflection film layer 1 must be low refractive index material layers, i.e., what is contacted with membrane waterproofing 2 is low-refraction
Material layer, membrane waterproofing 2 are coated in low refractive index material layer.
As shown in Figure 1, Fig. 1 is schematically shown when the structure of the anti-reflection film layer 1 of the utility model is (HL) * n
A kind of embodiment, in the present embodiment, n=3, i.e. anti-reflection film layer 1 include 6 film layers, along far from lens barrel surface
Direction is followed successively by the first high refractive index material layer 11, the second low refractive index material layer 12, third high-index material from inside to outside
The 13, the 4th low refractive index material layer 14 of layer, the 5th high refractive index material layer 15 and the 6th low refractive index material layer 16.In this implementation
In mode, the first high refractive index material layer 11 with a thickness of 5-25nm, the second low refractive index material layer 12 with a thickness of 10-
55nm, third high refractive index material layer 13 with a thickness of 20-90nm, the 4th low refractive index material layer 14 with a thickness of 4-25nm,
5th high refractive index material layer 15 with a thickness of 15-80nm, the 6th low refractive index material layer 16 with a thickness of 30-150nm.This reality
It is confined to above embodiment with novel anti-reflection film layer 1, film layer number can be increase accordingly according to actual needs, such as can
Altogether to include 4-8 tunic layer etc..
In the present embodiment, high refractive index material layer is material layer of the refractive index higher than 2.0, height folding in anti-reflection film layer 1
The rate material of penetrating can be selected from one of zirconium oxide, tantalum oxide, titanium pentoxide or lanthanium titanate or a variety of, i.e. anti-reflection film layer 1
In all high refractive index material layers can all be material layer made of a kind of material, be also possible to material made of multiple material
Layer, such as shown in Figure 1, when anti-reflection film layer 1 has six tunic layers, the first high refractive index material layer 11, third high-index material
Layer 13 and the 5th high refractive index material layer 15 can all be titanium pentoxide material layers, can also be selected from any in above-mentioned material
Kind.
Similarly, in the present embodiment, the low refractive index material layer in anti-reflection film layer 1 is the material that refractive index is lower than 1.8
The bed of material, low-index material can be in silicon monoxide, silica, aluminium oxide, silicon-aluminum mixture, magnesium fluoride or chromium oxide
It is one or more.
The film layer structure of the utility model is equipped with anti-reflection film layer 1, and anti-reflection film layer 1 is configured according to above-mentioned arrangement form,
Guarantee anti-reflection film layer 1 with a thickness of 150-600nm, change its surface color by adjusting the corresponding reflected intensity of different wave length,
Black is presented in the anti-reflection film layer 1 of final the utility model, can reduce the reflected intensity of lens barrel, makes wavelength 400-700nm's
The reflectivity of visible light is less than 0.7%, to be conducive to improve image quality.
As shown in Figure 1, the membrane waterproofing 2 of the utility model is coated on the outside of anti-reflection film layer 1, membrane waterproofing 2 is by being fluorinated
Object is made, and with a thickness of 4-20nm, water contact angle is greater than 110 °.The membrane waterproofing 2 of the utility model has hardness height, good waterproof performance
The advantages of, anti-reflection film layer 1 can be played a certain protective role, plating is avoided to be formed with the lens barrel of the film layer structure of the utility model
When being assembled with other assemblies to coated the case where causing scratch, pollute.
As shown in Fig. 2, the anti-reflection film layer 1 of the utility model is by height in second of embodiment according to the present utility model
Refractive index material and low-index material are alternately coated with, and along the direction far from lens barrel, anti-reflection film layer includes the first chromium
Layer of oxide material 1a and the second silicon dioxide material layer 1b, i.e. the layer of oxide material 1a of the first chromium is coated on lens barrel surface
On, the second silicon dioxide material layer 1b is coated on the layer of oxide material 1a of the first chromium, and membrane waterproofing 2 is coated on the second dioxy
Silicon nitride material layer 1b.In the present embodiment, the layer of oxide material 1a of the first chromium with a thickness of 30-500nm, the second titanium dioxide
Silicon material layer 1b with a thickness of 10-200nm.Certainly, design according to the present embodiment, anti-reflection film layer 1 may include 2-4 film
Layer, for example, anti-reflection film layer 1 may include three film layers, along the direction far from lens barrel, respectively earth silicon material, chromium
Layer of oxide material and silicon dioxide material layer.In short, no matter anti-reflection film layer 1 includes how many a film layers, need to guarantee antireflective film
The outermost layer of layer 1 is low refractive index material layer.
In second of embodiment of the utility model, anti-reflection film layer 1 is configured using above-mentioned material layer, makes to subtract
Black is presented for itself in anti-film layer 1, advantageously reduces the reflected intensity on lens barrel surface, promotes the production yield of product.
Design according to the present utility model can also have following implementation in the lens barrel film layer for being coated with the utility model to lens barrel
Mode, for example, according to the first above-mentioned embodiment, by the first high refractive index material layer 11, the second low refractive index material layer 12,
Third high refractive index material layer 13, the 4th low refractive index material layer 14, the 5th high refractive index material layer 15 and the 6th low-refraction
Material layer 16 is successively coated on lens barrel surface, high-index material can selected from zirconium oxide, tantalum oxide, titanium pentoxide or
One of lanthanium titanate is a variety of, low-index material can selected from silicon monoxide, silica, aluminium oxide, silicon-aluminum mixture,
One of magnesium fluoride or chromium oxide are a variety of.Then it is further continued for being coated with the layer of oxide material 1a of the first chromium and the second titanium dioxide
Silicon material layer 1b, outermost layer are coated with membrane waterproofing 2.
Such embodiment can equally play the role of reducing lens barrel surface reflection intensity, promote product yield.In addition,
The layer of oxide material 1a of first chromium and the second silicon dioxide material layer 1b has repair in preceding film layer to what is be coated with,
It is possible to prevente effectively from and preventing film layer from abrading pollution, raising product yield.
The plating method of the film layer structure of the utility model is as follows:
It is packed into dedicated film coating jig using material discharging machine after lens barrel injection molding imaging, dedicated film coating jig is rectangular plate
Body structure, size 100*100mm.Then the region of plated film will be needed to leak out, remaining position is blocked to prevent dirt
Dye.It is packed into film-coating workpiece disk later, plated film is needed to be directed at evaporation source downwards.Required Coating Materials is individually placed to fixed earthenware
Crucible position sets the positive reciprocal of duty cycle of specific background, coating temperature, oxygenation flow etc., using magnetic core logical circuit deflection electron beam heating evaporation material,
The thickness for inputting setting in a program is alternately accomplished plated film (at this time including completing being coated with for anti-reflection film layer 1 and membrane waterproofing 2).
Wherein electron beam can be used in membrane waterproofing 2 and the mode of resistance steaming is deposited.The anti-reflection film layer 1 being coated with can there are two types of structure, one
Kind is the structure of the anti-reflection film layer 1 of the first above-mentioned embodiment, and another kind is the structure of above-mentioned second of embodiment.
In addition, if anti-reflection film layer 1 and membrane waterproofing 2 are coated with according to the first embodiment on 1 surface of lens barrel, in lens barrel
When being assembled with other assemblies, if damage occurs in the film layer being coated with, membrane waterproofing 2 can be removed, plate film
The oxide material 1a and the second silicon dioxide material layer 1b that the first chromium is coated on layer are repaired, and are coated with membrane waterproofing again later
2.It when being repaired to film layer, needs to be coated in using a kind of special glue for being dissolved in water and does not need repair place, prevent from polluting, plated film
Fall glue using water logging foam washing afterwards, reaches the demand of the only plated film on the specific position of needs.
The foregoing is merely a schemes of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of film layer structure is coated on lens barrel surface characterized by comprising
Anti-reflection film layer (1), including the high refractive index material layer and low refractive index material layer being alternately stacked；
Membrane waterproofing (2), along the direction far from the lens barrel, membrane waterproofing (2) setting is in the outer of the anti-reflection film layer (1)
Side.
2. film layer structure according to claim 1, which is characterized in that the membrane waterproofing (2) is coated on the low refraction
In rate material layer.
3. film layer structure according to claim 2, which is characterized in that along the direction far from the lens barrel, the anti-reflection
The structure of film layer (1) can be expressed as L (HL) * n, and wherein H indicates high refractive index material layer, and L indicates low-index material,
(HL) * n indicates that high refractive index material layer and low refractive index material layer are arranged alternately n times, n along the direction far from the lens barrel
For the integer more than or equal to 1.
4. film layer structure according to claim 2, which is characterized in that along the direction far from the lens barrel, the antireflective film
The structure of layer (1) can be expressed as (HL) * n, and wherein H indicates high refractive index material layer, and L indicates low-index material, (HL) * n
Indicate that high refractive index material layer and low refractive index material layer are arranged alternately n times, n is the integer more than or equal to 1.
5. film layer structure according to claim 4, which is characterized in that along the direction far from the lens barrel, the antireflective film
Layer (1) successively includes the first high refractive index material layer (11), the second low refractive index material layer (12), third high refractive index material layer
(13), the 4th low refractive index material layer (14), the 5th high refractive index material layer (15) and the 6th low refractive index material layer (16).
6. film layer structure according to claim 5, which is characterized in that the thickness of first high refractive index material layer (11)
For 5-25nm, second low refractive index material layer (12) with a thickness of 10-55nm, the third high refractive index material layer (13)
With a thickness of 20-90nm, the 4th low refractive index material layer (14) with a thickness of 4-25nm, the 5th high-index material
Layer (15) with a thickness of 15-80nm, the 6th low refractive index material layer (16) with a thickness of 30-150nm.
7. film layer structure according to claim 1-6, which is characterized in that the high refractive index material layer is refraction
Rate is higher than 2.0 material layer, is selected from one of zirconium oxide, tantalum oxide, titanium pentoxide or lanthanium titanate or a variety of；
The low refractive index material layer is material layer of the refractive index less than 1.8, is selected from silicon monoxide, silica, aluminium oxide, silicon
One of aluminium mixture, magnesium fluoride or chromium oxide are a variety of.
8. film layer structure according to claim 7, which is characterized in that the anti-reflection film layer (1) with a thickness of 150-
600nm, reflection wavelength 400-700nm, reflectivity is less than 0.7%.
9. film layer structure according to claim 1, which is characterized in that along far from the lens barrel direction, the anti-reflection film layer
(1) successively include the first chromium layer of oxide material (1a) and the second silicon dioxide material layer (1b),
The layer of oxide material (1a) of first chromium with a thickness of 30-500nm；
Second silicon dioxide material layer (1b) with a thickness of 10-200nm.
10. film layer structure according to claim 1, which is characterized in that the membrane waterproofing (2) is made of fluoride, water
Contact angle is greater than 110 °, with a thickness of 4-20nm.
11. a kind of lens barrel comprising any one of the claim 1-10 film layer structure, including lens barrel ontology and it is coated on described
Film layer structure on lens barrel body surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088410.6U CN208351024U (en) | 2018-07-10 | 2018-07-10 | Film layer structure and lens barrel comprising the film layer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088410.6U CN208351024U (en) | 2018-07-10 | 2018-07-10 | Film layer structure and lens barrel comprising the film layer structure |
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| Publication Number | Publication Date |
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| CN208351024U true CN208351024U (en) | 2019-01-08 |
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ID=64904663
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| CN201821088410.6U Active CN208351024U (en) | 2018-07-10 | 2018-07-10 | Film layer structure and lens barrel comprising the film layer structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761582A (en) * | 2018-07-10 | 2018-11-06 | 浙江舜宇光学有限公司 | Film layer structure and lens barrel comprising the film layer structure |
| CN110058331A (en) * | 2019-05-17 | 2019-07-26 | 信阳舜宇光学有限公司 | A kind of waterproof eyeglass preparation process and waterproof eyeglass |
| CN114125191A (en) * | 2020-08-28 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Optical lens, preparation method thereof, camera module and electronic equipment |
-
2018
- 2018-07-10 CN CN201821088410.6U patent/CN208351024U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761582A (en) * | 2018-07-10 | 2018-11-06 | 浙江舜宇光学有限公司 | Film layer structure and lens barrel comprising the film layer structure |
| CN110058331A (en) * | 2019-05-17 | 2019-07-26 | 信阳舜宇光学有限公司 | A kind of waterproof eyeglass preparation process and waterproof eyeglass |
| CN114125191A (en) * | 2020-08-28 | 2022-03-01 | 宁波舜宇光电信息有限公司 | Optical lens, preparation method thereof, camera module and electronic equipment |
| CN114125191B (en) * | 2020-08-28 | 2024-04-16 | 宁波舜宇光电信息有限公司 | Optical lens, preparation method thereof, camera module and electronic equipment |
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