CN108761579A - A kind of polymeric multilayer optical film preparation method - Google Patents
A kind of polymeric multilayer optical film preparation method Download PDFInfo
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- CN108761579A CN108761579A CN201810607104.7A CN201810607104A CN108761579A CN 108761579 A CN108761579 A CN 108761579A CN 201810607104 A CN201810607104 A CN 201810607104A CN 108761579 A CN108761579 A CN 108761579A
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- Prior art keywords
- multilayer optical
- optical film
- polymeric multilayer
- film
- structure film
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- 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
Abstract
The invention discloses a kind of polymeric multilayer optical film preparation methods, including following method steps：Two membranes are made in the different material of high low-refraction by step 1)；The two membranes made point multiplication such as are carried out by step 2), form 4nLayer repetitional structure film；Repetitional structure film is doubled to form blue shift layered structure film by step 3) using non-decile, realizes multiple and different reflection windows；The blue shift layered structure film of formation is flowed to main mould head by step 4), and at polymeric multilayer optical film, the invention is easy to operate, highly practical for biaxial tension, suitable for industrialization promotion.
Description
Technical field
The present invention relates to multilayer field of membrane preparation, more specifically, being a kind of polymeric multilayer optical film preparation method.
Background technology
Multilayer film is widely used in every field, and the use especially in optics is also essential, however
In optics in use, being covered according to the be consistent spectral window of needs of different demands situation, to which the optical film of passband be made,
Complex steps.
Invention content
In order to make up the above deficiency, the present invention provides a kind of polymeric multilayer optical film preparation methods.
The scheme of the invention is：
A kind of polymeric multilayer optical film preparation method, including following methods step：
Alternately two membranes are made in the different material of high low-refraction by step 1)；
The two membranes made point multiplication such as are carried out by step 2), form alternate 4nLayer repetitional structure film；
Repetitional structure film is doubled to form blue shift layered structure film by step 3) using non-decile, realizes multiple and different reflections
Window；
The blue shift layered structure film of formation is flowed to main mould head by step 4), and biaxial tension is at polymeric multilayer optical film.
Membrane stack or so is cut into two parts by described increase to again by multiplier as a preferred technical solution, then will
Laminated is the size after cutting above and below two parts, and the number of plies becomes more, and thickness in monolayer becomes smaller.
Each layer film thickness is each after the multiplier cutting in the non-decile multiplication of the step 3) as a preferred technical solution,
It is different, it is achieved in required arbitrary thickness distribution ratio a:b.
The multiplier in the non-decile multiplication of the step 3) is multiple sub- multiplier compositions as a preferred technical solution,.
As a preferred technical solution, in the step 1) the different material of high low-refraction be two kinds of high low-refractions not
Same material composition.
The present invention also provides a kind of gradient multilayer film, more gradient tunics pass through method of claim 1 step
It is prepared.
The raw material of more gradient tunics includes two kinds of different materials of high low-refraction as a preferred technical solution,
Material.
Pass through a kind of polymeric multilayer optical film preparation method, including following methods step：Step 1) is by high low-refraction
Alternately two membranes are made in different materials；The two membranes made point multiplication such as are carried out by step 2), form alternate 4nLayer decile
Structural membrane；Repetitional structure film is doubled to form blue shift layered structure film by step 3) using non-decile, realizes multiple and different reflections
Window；The blue shift layered structure film of formation is flowed to main mould head by step 4), and biaxial tension is at polymeric multilayer optical film.
The invention can hide unwanted spectral window ultraviolet to multiple light windows are arranged in infrared each wave band
It covers, the optical film of multiple passbands can be obtained；The basic structure of optical window is covered in the multilayer film prepared through the invention
Realize that different windows can reflect the light of different-waveband by the simple structure that height refractive index periodic is arranged；Through the invention
It can be allocated according to different allocation proportions, the part that optical thickness is less than original thickness is its blue shift.
And the present invention realizes the multiplication of film layer number, and control overall thickness is constant, can realize number of plies multiplication and list simultaneously
The reduction of layer thickness.
Description of the drawings
Fig. 1 is 4nThe design sketch that the reflection specific band window of layer repetitional structure film generates；
Fig. 2 is that structural membrane reflects the design sketch that specific band window generates after non-decile multiplier；
Fig. 3 is the design sketch that two structural membranes are superimposed that back reflection specific band window generates；
Fig. 4 is the design sketch that the generation of specific band window is reflected compared with the blue shift of large span；
Fig. 5 is the design sketch that the membrane system that the membrane system with multiple and different reflection windows generates generates.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
A kind of polymeric multilayer optical film preparation method, including following methods step：
Alternately two membranes are made in the different material of high low-refraction by step 1)；
The two membranes made point multiplication such as are carried out by step 2), form alternate 4nLayer repetitional structure film；
Repetitional structure film is doubled to form blue shift layered structure film by step 3) using non-decile, realizes multiple and different reflections
Window；
The blue shift layered structure film of formation is flowed to main mould head by step 4), and biaxial tension is at polymeric multilayer optical film.
Membrane stack or so is cut into two parts by described increase to again by multiplier as a preferred technical solution, then will
Laminated is the size after cutting above and below two parts, and the number of plies becomes more, and thickness in monolayer becomes smaller.
Each layer film thickness is each after the multiplier cutting in the non-decile multiplication of the step 3) as a preferred technical solution,
It is different, it is achieved in required arbitrary thickness distribution ratio a:b.
The multiplier in the non-decile multiplication of the step 3) is multiple sub- multiplier compositions as a preferred technical solution,.
As a preferred technical solution, in the step 1) the different material of high low-refraction be two kinds of high low-refractions not
Same material composition.
4 in the present inventionnThe periodic structure that layer repetitional structure film is alternatively formed by different materials, typically two kinds of height
The different material of refractive index suitably adjusts the refractive index n of two kinds of materials1、n2And thickness d1、d2, can obtain desired anti-
Penetrate the structure of specific band window, the effect of generation is as shown in Figure 1, to be then extended reflection windows basic non-by one
The blue shift of overall spectrum characteristic may be implemented in decile multiplier, as shown in Fig. 2, the two folded structures can be realized instead
The broadening of band, the i.e. realization of spread reflection window are penetrated, if as shown in figure 3, aforementioned basic structure is done a blue shift compared with large span,
Effect can obtain having multiple and different reflection windows as shown in figure 4, be again superimposed this window with the window after previous extension
Membrane system, as shown in figure 5, the film structure with any number of different in width reflection windows characteristics can be obtained as a result,.With
On have been shown and described the present invention basic principles and main features and advantages of the present invention.The technical staff of the industry should
Solution, the present invention is not limited to the above embodiments, and the above embodiments and description only illustrate the principle of the present invention,
Without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements are all
It falls into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle.
Claims (7)
1. a kind of polymeric multilayer optical film preparation method, which is characterized in that including following methods step：
Alternately two membranes are made in the different material of high low-refraction by step 1)；
The two membranes made point multiplication such as are carried out by step 2), form alternate 4nLayer repetitional structure film；
Repetitional structure film is doubled to form blue shift layered structure film by step 3) using non-decile, realizes multiple and different reflection windows
Mouthful；
The blue shift layered structure film of formation is flowed to main mould head by step 4), and biaxial tension is at polymeric multilayer optical film.
2. a kind of polymeric multilayer optical film preparation method as described in claim 1, it is characterised in that：Described times increases to and passes through
Membrane stack or so is cut into two parts by multiplier, is then the size after cutting by laminated above and below two parts, the number of plies becomes more, single layer
Thickness becomes smaller.
3. a kind of polymeric multilayer optical film preparation method as described in claim 1, it is characterised in that：The step 3) is non-etc.
Each layer film thickness is different after the multiplier cutting divided in multiplication, is achieved in required arbitrary thickness distribution ratio
a:b。
4. a kind of polymeric multilayer optical film preparation method as claimed in claim 3, it is characterised in that：The step 3) is non-etc.
The multiplier divided in multiplication is multiple sub- multipliers compositions.
5. a kind of polymeric multilayer optical film preparation method as described in claim 1, it is characterised in that：It is high in the step 1)
The different material of low-refraction is the different material composition of two kinds of high low-refractions.
6. a kind of gradient multilayer film, it is characterised in that：More gradient tunics are prepared by method of claim 1 step
It forms.
7. a kind of gradient multilayer film as claimed in claim 6, it is characterised in that：The raw material of more gradient tunics
Including the different material of two kinds of high low-refractions.
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| CN201810607104.7A CN108761579A (en) | 2018-06-15 | 2018-06-15 | A kind of polymeric multilayer optical film preparation method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288413A (en) * | 1998-01-13 | 2001-03-21 | 美国3M公司 | Modified copolyesters and improved multilayer reflective films |
| CN1745320A (en) * | 2002-12-31 | 2006-03-08 | 3M创新有限公司 | Optical polarizing films with designed color shifts |
| CN101495890A (en) * | 2005-08-31 | 2009-07-29 | 3M创新有限公司 | Methods of producing multilayer reflective polarizer |
| CN104220904A (en) * | 2012-04-13 | 2014-12-17 | 日东电工株式会社 | Optical member, polarizing plate set and liquid crystal display device |
-
2018
- 2018-06-15 CN CN201810607104.7A patent/CN108761579A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288413A (en) * | 1998-01-13 | 2001-03-21 | 美国3M公司 | Modified copolyesters and improved multilayer reflective films |
| CN1745320A (en) * | 2002-12-31 | 2006-03-08 | 3M创新有限公司 | Optical polarizing films with designed color shifts |
| CN101495890A (en) * | 2005-08-31 | 2009-07-29 | 3M创新有限公司 | Methods of producing multilayer reflective polarizer |
| CN104220904A (en) * | 2012-04-13 | 2014-12-17 | 日东电工株式会社 | Optical member, polarizing plate set and liquid crystal display device |
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Address after: 236000 Room 306-310, Building 4, Building 3, Huiqing Science and Technology Building, Yingdong Economic Development Zone, Fuyang City, Anhui Province Applicant after: Anhui Angkefeng Photoelectric Technology Co., Ltd. Address before: 230000 Future Center, Institute of Advanced Technology, China University of Science and Technology, No. 5089 Wangjiangxi Road, Shushan District, Hefei City, Anhui Province, 706 Applicant before: Fuyang Fu Feng Feng Photoelectric Technology Co., Ltd. |