CN108196334A - A kind of polaroid and preparation method thereof, display device - Google Patents
A kind of polaroid and preparation method thereof, display device Download PDFInfo
- Publication number
- CN108196334A CN108196334A CN201810012110.8A CN201810012110A CN108196334A CN 108196334 A CN108196334 A CN 108196334A CN 201810012110 A CN201810012110 A CN 201810012110A CN 108196334 A CN108196334 A CN 108196334A
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- layer
- polaroid
- protective layer
- film layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
- G02B1/116—Multilayers including electrically conducting layers
Abstract
The invention discloses a kind of polaroid and preparation method thereof, display devices; the polaroid includes the first protective layer, polarizing layer, the second protective layer and the adhesive layer that are sequentially overlapped setting; the surface of first protective layer is equipped with antireflection film layer; the antireflection film layer includes the low-index layer and metallic diaphragm that are sequentially overlapped setting, and the refractive index of the low-index layer is less than 1.5；The present invention realizes polaroid surface multiband wide band antireflective, and polaroid is made effectively to shield the interference of electromagnetic signal.
Description
Technical field
The present invention relates to display field, espespecially a kind of polaroid and preparation method thereof, display device.
Background technology
When display screen is watched under the stronger external environment of light, since the reflection of additional light rays can cause human eye to be received
Light it is excessively strong, reduce display screen contrast, influence watch visual effect.By forming anti-reflection on 1 surface of polaroid
Film layer 2 is penetrated, it can be achieved that reducing reflected ambient light, improves Display Contrast, promotes whole viewing effect.As shown in Figure 1, current
Antireflection film layer 2 is mainly to pass through the low-index layer being sequentially overlapped and high refractive index layer combination, such as silica membrane layer
It is combined with titanium deoxid film layer, bilayer combination can only realize specific band antireflective, so antireflection film layer passes through 4 tunic layers
Or 4 layers or more film layers are composed, such as antireflection film layer 2 includes first the 201, second high folding of low-index layer being sequentially overlapped
It penetrates rate layer 202, the second low-index layer 201' and the second high refractive index layer 202', realizes wide band antireflective, and the increasing of film layer number
The limited of cost and production capacity can be led to by adding, and can not shield the interference of electromagnetic signal.
Invention content
In order to solve the above technical problem, the present invention provides a kind of polaroid and preparation method thereof, display devices, realize
Polaroid surface multiband wide band antireflective, and polaroid is made effectively to shield the interference of electromagnetic signal.
In order to reach the object of the invention, the present invention adopts the following technical scheme that：
First aspect present invention provides a kind of polaroid, including being sequentially overlapped the first protective layer of setting, polarizing layer, second
Protective layer and adhesive layer, the surface of first protective layer are equipped with antireflection film layer, and the antireflection film layer includes folding successively
The low-index layer and metallic diaphragm put are added, the refractive index of the low-index layer is less than 1.5.
Optionally, the low-index layer includes silica membrane layer or magnesium fluoride film layer.
Optionally, the metallic diaphragm includes copper film layer, aluminum film layer or Ag films layer.
Optionally, the thickness of the metallic diaphragm is 1-10nm.
Optionally, the thickness of the low-index layer is less than 100nm.
Optionally, it is superimposed with 1 layer of antireflection film layer on the surface of first protective layer.
Optionally, release film is further included, the release film is superposed on the lower surface of the adhesive layer.
Optionally, third protective layer is further included, the third protective layer is superposed on the surface of the antireflection film layer
Second aspect of the present invention provides a kind of display device, and including display module and polaroid, the polaroid is such as
Upper any polaroid.
Third aspect present invention provides the preparation method of a kind of as above any polaroid, the preparation of the polaroid
Method includes：
Form the first protective layer, polarizing layer, the second protective layer and the adhesive layer being sequentially overlapped；
The antireflection film layer is formed on the surface of first protective layer using magnetron sputtering membrane process.
Compared with prior art, the beneficial effects of the invention are as follows：
Antireflection film layer on polaroid provided by the invention is combined by low-index layer with metallic diaphragm, realizes broadband
Antireflective reduces the reflectivity of visible light wave range, realizes polaroid surface multiband wide band antireflective, and reflectivity reduction can improve
Display screen contrast under sunlight improves display screen vision quality.The antireflection film layer of polaroid of the present invention is double-layer structure,
That is the combination of one layer of low-index layer and layer of metal film layer is, it can be achieved that the wide band antireflective of polaroid, without traditional polaroid
Wide band antireflective is realized by 4 tunic layers and 4 layers or more film layer structures, so as to reduce the production cost of polaroid of the present invention.Together
When low-index layer and metallic diaphragm combinations of reflections, due to containing metallic diaphragm, compared to conventional insulator antireflective scheme, gold
Belong to the interference that film layer can effectively shield electromagnetic signal.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application technical solution for explaining the present invention together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the structure diagram of the polaroid of the prior art；
Fig. 2 is the structure diagram one of polaroid provided in an embodiment of the present invention；
Fig. 3 is the structure diagram two of polaroid provided in an embodiment of the present invention；
Fig. 4 is the structure diagram three of polaroid provided in an embodiment of the present invention；
Fig. 5 is the structural representation of display device provided in an embodiment of the present invention；
Fig. 6 is the low reflectance data curve graph of antireflection film layer in the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
As shown in Fig. 2, the embodiment of the present invention provides a kind of polaroid, including by the polaroid upper table towards the polarisation
Piece lower surface is sequentially overlapped the first protective layer 3, polarizing layer 4, the second protective layer 5 and the adhesive layer 6 of setting, 3 He of the first protective layer
Second protective layer 5 is Triafol T layer, for protecting polarizing layer 4, prevents polarizing layer 4 damaged；Polarizing layer 4 is polyethylene
Alcohol layer, for being polarized light action or analyzing effect；Adhesive layer 6 is pressure-sensitive adhesive layer, and effect is so that polaroid and substrate bonding；
The surface of first protective layer 3 is equipped with antireflection film layer 7, and antireflection film layer 7 includes the low-index layer 701 for being sequentially overlapped setting
With metallic diaphragm 702, wherein, metallic diaphragm 702 is located at the side that antireflection film layer 7 closes on the first protective layer 3；Low-index layer
701 refractive index be less than 1.5, low-index layer 701 be silica membrane layer or magnesium fluoride film layer, low-index layer 701
Thickness be less than 100nm；The thickness of metallic diaphragm 702 is 1-10nm, can be selected thin using copper film layer, aluminum film layer or silver
Film layer, metallic diaphragm 702 match each other with low-index layer 701, wherein, the matching of metallic diaphragm 702 and low-index layer 701
Method is：By membrane analogy software, the refractive index and thickness data of metallic diaphragm 702 and low-index layer 701 are inputted respectively,
Simulation matching is carried out, selects the matching combination that anti-reflective effect is best.Antireflective on polaroid provided in an embodiment of the present invention
Film layer 7 is combined by low-index layer 701 with metallic diaphragm 702, realizes wide band antireflective, makes entire visible light wave range average anti-
The rate of penetrating is reduced to 0.67% or so, realizes polaroid surface multiband wide band antireflective, and reflectivity reduction can improve display screen and exist
Contrast under sunlight improves display screen vision quality.In the present embodiment, other materials can also be used to substitute the first protection
Layer 3, polarizing layer 4, the second protective layer 5, adhesive layer 6 and low-index layer 701, metallic diaphragm 702, the present embodiment is herein no longer
It repeats.
As shown in Fig. 2, 3 surface of the first protective layer of polaroid provided in an embodiment of the present invention is equipped with 1 layer of antireflection film layer
7, i.e. the surface of the first protective layer 3 is equipped with 1 layer of low-index layer 701 and 1 layer of metallic diaphragm 702, makes 3 surface shape of the first protective layer
Into the antireflection film layer 7 of double-layer structure；Wherein, low-index layer 701 be silica membrane layer, thickness 60nm；Metal film
Layer 702 be copper film layer, thickness 5nm；In the present embodiment, copper film layer is arranged on the first protective layer 3 using coating process
Surface on, the coating process of copper film layer is using flexible touch-control, and using low temperature copper-plating technique, coated basal plate temperature is generally 30
DEG C, to adapt to flexible parent metal；The coating process of the copper film layer of the present embodiment can also be plated on TFT glass substrates using high temperature
Process for copper.The antireflective principle that copper film layer is combined with silica membrane layer in the present embodiment is：1st, Copper thin film is mainly utilized
The more significant dispersion that layer complex refractivity index k has absorbs different-waveband on inconsistent, dispersion characteristics cooperation silica membrane layer
It realizes antireflective purpose, absorbs reflected light；2nd, the complex refractivity index n values and thickness matching of copper film layer and silica membrane layer,
Antireflective purpose is realized by optical interference.The antireflection film layer 7 that polaroid of the present invention passes through double-layer structure, you can realize polarisation
The wide band antireflective of piece realizes wide band antireflective without traditional polaroid by 4 tunic layers and 4 layers or more film layer structures, so as to
Reduce the production cost of polaroid of the present invention.In the present embodiment, the low-index layer of other thickness and material can also be used
701 and metallic diaphragm 702, details are not described herein for the present embodiment.
Polaroid shown in Fig. 2 is tested, such as spectrophotometry by transmitance, reflectivity instrument
Meter, the effect data of test is as shown in fig. 6, wherein, and ordinate is the reflectivity of polaroid in Fig. 6, abscissa be irradiate can
See the wavelength of optical band；It will be appreciated from fig. 6 that polaroid shown in Fig. 2 can realize that visible light wave range 380-780nm average reflectances drop
0.28% is reduced to as low as 0.67%, 400-700nm visible light wave range reflectivity.
As shown in figure 3,3 surface of the first protective layer of polaroid provided in an embodiment of the present invention is equipped with 2 layers of antireflection film layer
7, i.e. 3 surface of the first protective layer is sequentially overlapped equipped with the first low-index layer 701', the first metallic diaphragm 702', the second low refraction
Rate layer 701 ", the second metallic diaphragm 702 ".In the present embodiment, 3 surface of the first protective layer can be equipped with double-layer reflection reducing coating layer
7, such as 3 layers, 4 layers etc., details are not described herein for the present embodiment.Polaroid of the present invention is equipped with double-layer reflection reducing coating layer 7, Neng Goujin
One step strengthens the wide band antireflective of polaroid, improves display screen vision quality.
As shown in figure 4, polaroid provided in an embodiment of the present invention further includes release film 8 and third protective layer 9, release film 8
It is superposed on the lower surface of adhesive layer 6, material is polyethylene terephthalate, for protecting adhesive layer 6, prevents from gluing
It is damaged to tie layer 6.Third protective layer 9 is superposed on the surface of antireflection film layer 7, and third protective layer 9 is Triafol T
Layer, for protecting antireflection film layer 7, prevents antireflection film layer 7 from polluting and scratching, by the polarizer sheet sticking in the present embodiment
After display module, third protective layer 9 need to be removed.
As shown in figure 5, the embodiment of the present invention also provides a kind of display device, including display module 10 and above-mentioned Fig. 2-figure
The polaroid 11 that 4 any embodiments provide.Specifically, display module 10 is LCD display modules, on the surface of LCD display modules
The polaroid 11 is pasted with, so as to which LCD display modules be made effectively to reduce surface reflectivity, improves LCD display modules entirety
Contrast, also, since the antireflection film layer 7 on polaroid 11 is containing metallic diaphragm 702, metallic diaphragm 702 can effectively shield
Cover the interference of electromagnetic signal.In the present embodiment, other display modules may be used and replace LCD display modules, the present embodiment exists
This is repeated no more.
The embodiment of the present invention also provides a kind of preparation method of polaroid, which is the above-mentioned any implementations of Fig. 2-Fig. 4
The polaroid that example provides, the preparation method of the polaroid include：
Form the first protective layer 3, polarizing layer 4, the second protective layer 5 and the adhesive layer 6 being sequentially overlapped；
It is sequentially overlapped to form 701 He of low-index layer on the surface of the first protective layer 3 using magnetron sputtering membrane process
Metallic diaphragm 702, so as to form the antireflection film layer 7.
Although disclosed herein embodiment as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of polaroid, the first protective layer, polarizing layer, the second protective layer and adhesive layer including being sequentially overlapped setting are special
Sign is that the surface of first protective layer is equipped with antireflection film layer, and the antireflection film layer includes being sequentially overlapped setting
Low-index layer and metallic diaphragm, the refractive index of the low-index layer are less than 1.5.
2. polaroid according to claim 1, which is characterized in that the low-index layer include silica membrane layer or
Magnesium fluoride film layer.
3. polaroid according to claim 1, which is characterized in that the metallic diaphragm includes copper film layer, aluminum film layer
Or Ag films layer.
4. according to any polaroids of claim 1-3, which is characterized in that the thickness of the metallic diaphragm is 1-10nm.
5. according to any polaroids of claim 1-3, which is characterized in that the thickness of the low-index layer is less than
100nm。
6. according to any polaroids of claim 1-3, which is characterized in that be superimposed on the surface of first protective layer
1 layer of antireflection film layer.
7. according to any polaroids of claim 1-3, which is characterized in that further include release film, the release film superposition
It is arranged on the lower surface of the adhesive layer.
8. according to any polaroids of claim 1-3, which is characterized in that further include third protective layer, the third is protected
Sheath is superposed on the surface of the antireflection film layer.
9. a kind of display device, including display module and polaroid, which is characterized in that the polaroid is claim 1-8
In any polaroid.
A kind of 10. preparation method of any polaroids of claim 1-8, which is characterized in that the preparation of the polaroid
Method includes：
Form the first protective layer, polarizing layer, the second protective layer and the adhesive layer being sequentially overlapped；
The antireflection film layer is formed on the surface of first protective layer using magnetron sputtering membrane process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012110.8A CN108196334A (en) | 2018-01-05 | 2018-01-05 | A kind of polaroid and preparation method thereof, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012110.8A CN108196334A (en) | 2018-01-05 | 2018-01-05 | A kind of polaroid and preparation method thereof, display device |
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| Publication Number | Publication Date |
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| CN108196334A true CN108196334A (en) | 2018-06-22 |
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ID=62587955
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810012110.8A Pending CN108196334A (en) | 2018-01-05 | 2018-01-05 | A kind of polaroid and preparation method thereof, display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415610A (en) * | 2019-07-22 | 2019-11-05 | 安徽华米信息科技有限公司 | Display panel and its manufacturing method, display device |
| CN111399095A (en) * | 2020-05-15 | 2020-07-10 | 浙江舜宇光学有限公司 | Optical element, method of manufacturing optical element, and optical lens |
| CN113050215A (en) * | 2021-03-04 | 2021-06-29 | 青岛海日高科技有限公司 | Method and device for determining target parameters of polaroid, polaroid and debugging system |
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| US20090316271A1 (en) * | 2008-06-23 | 2009-12-24 | Toppan Printing Co., Ltd. | Antireflection Film |
| CN101900841A (en) * | 2009-05-27 | 2010-12-01 | 东丽先端素材株式会社 | Anti-reflection film and polarization plate containing the same |
| CN102081254A (en) * | 2009-11-27 | 2011-06-01 | 日东电工株式会社 | Image display device |
| CN102540315A (en) * | 2010-12-29 | 2012-07-04 | 第一毛织株式会社 | Polarizer plate, optical apparatus, and method of manufacturing polarizer plate |
| CN105163939A (en) * | 2013-03-01 | 2015-12-16 | V·莱普特新 | Anti-reflective coating |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090316271A1 (en) * | 2008-06-23 | 2009-12-24 | Toppan Printing Co., Ltd. | Antireflection Film |
| CN101900841A (en) * | 2009-05-27 | 2010-12-01 | 东丽先端素材株式会社 | Anti-reflection film and polarization plate containing the same |
| CN102081254A (en) * | 2009-11-27 | 2011-06-01 | 日东电工株式会社 | Image display device |
| CN102540315A (en) * | 2010-12-29 | 2012-07-04 | 第一毛织株式会社 | Polarizer plate, optical apparatus, and method of manufacturing polarizer plate |
| CN105163939A (en) * | 2013-03-01 | 2015-12-16 | V·莱普特新 | Anti-reflective coating |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415610A (en) * | 2019-07-22 | 2019-11-05 | 安徽华米信息科技有限公司 | Display panel and its manufacturing method, display device |
| CN111399095A (en) * | 2020-05-15 | 2020-07-10 | 浙江舜宇光学有限公司 | Optical element, method of manufacturing optical element, and optical lens |
| CN113050215A (en) * | 2021-03-04 | 2021-06-29 | 青岛海日高科技有限公司 | Method and device for determining target parameters of polaroid, polaroid and debugging system |
| CN113050215B (en) * | 2021-03-04 | 2022-04-29 | 青岛海日高科技有限公司 | Method and device for determining target parameters of polaroid, polaroid and debugging system |
| WO2022183807A1 (en) * | 2021-03-04 | 2022-09-09 | 青岛海日高科技有限公司 | Method and apparatus for determining target parameter of polarizer, and polarizer and debugging system |
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Application publication date: 20180622 |
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