CN114690291A - High-luminance scratch-resistant composite optical film and preparation method thereof - Google Patents
High-luminance scratch-resistant composite optical film and preparation method thereof Download PDFInfo
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- CN114690291A CN114690291A CN202210399651.7A CN202210399651A CN114690291A CN 114690291 A CN114690291 A CN 114690291A CN 202210399651 A CN202210399651 A CN 202210399651A CN 114690291 A CN114690291 A CN 114690291A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2551/00—Optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention provides a high-brightness scratch-resistant composite optical film, which comprises an upper prism layer, wherein one surface of the upper prism layer is provided with a plurality of raised upper prisms; the laminating layer is in contact adhesion with the other surface of the upper prism layer; the lower prism layer is provided with a plurality of raised lower prisms on one surface, and the lower prisms are in contact adhesion with the laminating layer; and a mirror coating layer bonded in contact with the other side of the lower prism layer. The invention has the advantages of reducing production cost, optimizing production efficiency, increasing scratch resistance and brightness, and the like.
Description
Technical Field
The invention relates to the field of optical diaphragms, in particular to a high-luminance scratch-resistant composite optical diaphragm.
Background
In order to realize a high brightness composite film (hereinafter referred to as POP) product, an inorganic substance (zirconium oxide ZrO2, titanium oxide, etc.) is added to a conventional polymer organic resin to form a high refractive index resin substance. The higher the inorganic content the higher the refractive index. However, as the content of the inorganic substance increases, scratch property and reliability of the film sheet become more problematic. In particular, if a resin having a refractive index of 1.64 or more for POP upper prisms is used, there are problems of star defect and decrease in inner scratch resistance, and thus mass production is very difficult, and if a resin having a refractive index of 1.6 or more for lower prisms is used, it is difficult to set process conditions when a Nano particulate inorganic substance contained in the resin is synthesized with a bonding agent on the back surface of the upper prisms, and a resin having a refractive index of 1.6 or less of an organic substance is not used in many of the prior art.
Therefore, there is a need to provide a new solution.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention discloses a high-brightness scratch-resistant composite optical film, which comprises the following specific technical scheme:
the invention provides a high-brightness scratch-resistant composite optical film, which comprises
The upper prism layer is provided with a plurality of convex upper prisms on one surface;
the laminating layer is contacted and adhered with the other surface of the upper prism layer;
the lower prism layer is provided with a plurality of raised lower prisms on one surface, and the lower prisms are in contact adhesion with the attaching layer; and
and the mirror surface coating is in contact bonding with the other surface of the lower prism layer.
Further, the upper prism and the lower prism are made of the same material.
Further, the refractive index of the material of the upper prism and the refractive index of the material of the lower prism are both larger than 1.6.
Further, the cross sections of the upper prism and the lower prism have the same shape, and the cross sections of the upper prism and the lower prism have the same area.
Further, the cross sections of the upper prism and the lower prism are the same in shape, and the cross section area of the upper prism is larger than that of the lower prism.
Furthermore, the upper prism and the lower prism are made of inorganic matters and organic matters in a combined mode, and the weight ratio of the organic matters to the inorganic matters is 100: 5-70.
Further, the inorganic substance comprises zirconium oxide and titanium oxide, wherein the weight ratio of zirconium oxide to titanium oxide is 5: 1-0.
Further, the haze of the mirror coating is less than or equal to 1%.
Further, the thickness of the mirror coating is 1-5 μm.
The invention also provides a preparation method of the high-brightness scratch-resistant composite optical film, which comprises the following steps:
firstly, coating a laminating layer on the back of an upper prism layer;
secondly, the laminating layer is pressed and molded by a mold, and the laminating layer is subjected to first UV curing;
thirdly, forming the lower prism layer, adhering the lower prism to the laminating layer, and carrying out second UV curing on the laminating layer;
and fourthly, forming an upper prism of the upper prism layer.
The invention has the following beneficial effects:
1. according to the high-brightness scratch-resistant composite optical film, the upper prism and the lower prism are made of low-refractive-index resin materials, so that the production cost is greatly reduced.
2. According to the high-brightness scratch-resistant composite optical film provided by the invention, the use of inorganic matters is reduced by the prism material, and the scratch resistance of the prism is improved.
3. The high-luminance scratch-resistant composite optical film provided by the invention has the advantages that the larger cross section area of the upper prism is used for increasing the luminance, the small volume of the lower prism is used for increasing the contact area between the lower prism and the binding layer so as to increase the adhesive force, and the mirror coating plays a role in increasing the luminance, so that the overall luminance is not lower than the luminance in the prior art.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a high-luminance scratch-resistant composite optical film provided in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a high-brightness scratch-resistant composite optical film, which comprises an upper prism layer 1, a binding layer 2, a lower prism layer 3 and a mirror surface coating 4, wherein one surface of the upper prism layer 1 is provided with a plurality of convex upper prisms 11; the laminating layer 2 is contacted and adhered with the other surface of the upper prism layer 1; one surface of the lower prism layer 3 is provided with a plurality of convex lower prisms 31, and the lower prisms 31 are contacted and adhered with the adhesive layer 2; the mirror coating 4 is bonded in contact with the other surface of the lower prism layer 3.
The upper prism 11 and the lower prism 31 are made of the same material.
The refractive index of the material of the upper prism 11 and the lower prism 31 is larger than 1.6.
In one embodiment, the cross sections of the upper prism 11 and the lower prism 31 have the same shape, and the cross sections of the upper prism 11 and the lower prism 31 have the same area.
In one embodiment, the cross-sections of the upper prism 11 and the lower prism 31 have the same shape, and the cross-sectional area of the upper prism 11 is larger than the cross-sectional area of the lower prism 31.
The upper prism 11 and the lower prism 31 are made of a material formed by combining an inorganic substance and an organic substance, and the weight ratio of the organic substance to the inorganic substance is 100: 5-70.
In one embodiment, the inorganic substance comprises zirconia and titania, wherein the weight ratio of zirconia to titania is 5: 1-0.
The haze of the mirror coating 4 is less than or equal to 1 percent.
The thickness of the mirror coating 4 is 1-5 μm.
The invention also provides a preparation method of the high-brightness scratch-resistant composite optical film, which comprises the following steps:
firstly, coating a laminating layer on the back of an upper prism layer;
secondly, the laminating layer is pressed and molded by a mold, and the laminating layer is subjected to first UV curing through a black light ultraviolet lamp;
thirdly, forming a lower prism layer, adhering the lower prism to the laminating layer, and carrying out secondary UV curing on the laminating layer through a metal halide lamp;
and fourthly, forming an upper prism of the upper prism layer.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A high-brightness scratch-resistant composite optical film is characterized by comprising
The upper prism layer is provided with a plurality of convex upper prisms on one surface;
the laminating layer is contacted and adhered with the other surface of the upper prism layer;
the lower prism layer is provided with a plurality of raised lower prisms on one surface, and the lower prisms are in contact adhesion with the attaching layer; and
and the mirror surface coating is in contact bonding with the other surface of the lower prism layer.
2. The high-luminance scratch-resistant composite optical film according to claim 1, wherein the upper prism and the lower prism are made of the same material.
3. The high-luminance scratch-resistant composite optical film according to claim 2, wherein the refractive index of the material of the upper prism and the refractive index of the material of the lower prism are both greater than 1.6.
4. The high-luminance scratch-resistant composite optical film according to claim 2, wherein the cross sections of the upper prism and the lower prism are the same in shape, and the cross sections of the upper prism and the lower prism are the same in area size.
5. The high-luminance scratch-resistant composite optical film according to claim 2, wherein the cross-sectional shapes of the upper prism and the lower prism are the same, and the cross-sectional area of the upper prism is larger than that of the lower prism.
6. The high-luminance scratch-resistant composite optical film as claimed in claim 2, wherein the materials of the upper prism and the lower prism are formed by combining inorganic substances and organic substances, and the weight ratio of the organic substances to the inorganic substances is 100: 5-70.
7. The high-luminance scratch-resistant composite optical film according to claim 6, wherein the inorganic substance comprises zirconium oxide and titanium oxide, wherein the weight ratio of zirconium oxide to titanium oxide is 5: 1-0.
8. The high-brightness scratch-resistant composite optical film according to claim 1, wherein the mirror coating has a haze of 1% or less.
9. The high brightness scratch-resistant composite optical film according to claim 1, wherein the thickness of the mirror coating is 1-5 μm.
10. A method for preparing a high-brightness scratch-resistant composite optical film according to any one of claims 1 to 9, which comprises the following steps: comprises the following steps of (a) carrying out,
firstly, coating a laminating layer on the back of an upper prism layer;
secondly, the laminating layer is pressed and molded by a mold, and the laminating layer is subjected to first UV curing;
thirdly, forming the lower prism layer, adhering the lower prism to the laminating layer, and carrying out second UV curing on the laminating layer;
and fourthly, forming an upper prism of the upper prism layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210399651.7A CN114690291A (en) | 2022-04-15 | 2022-04-15 | High-luminance scratch-resistant composite optical film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210399651.7A CN114690291A (en) | 2022-04-15 | 2022-04-15 | High-luminance scratch-resistant composite optical film and preparation method thereof |
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| CN202210399651.7A Pending CN114690291A (en) | 2022-04-15 | 2022-04-15 | High-luminance scratch-resistant composite optical film and preparation method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1195013A (en) * | 1997-09-17 | 1999-04-09 | Dainippon Printing Co Ltd | Prism sheet, manufacture thereof, surface light source device, and transmissive display |
| CN1661398A (en) * | 2004-02-23 | 2005-08-31 | 佳能株式会社 | Film having unevenness on surface, antireflection film, manufacturing method thereof, and optical member |
| CN102866441A (en) * | 2011-07-06 | 2013-01-09 | 高乐泰株式会社 | Optical film and manufacturing method thereof, liquid cristal display apparatus using the optical film |
| CN103740251A (en) * | 2013-12-17 | 2014-04-23 | 张家港康得新光电材料有限公司 | High-adhesion aqueous coating liquid for optical polyester film |
| CN205450322U (en) * | 2016-02-25 | 2016-08-10 | 东莞市纳利光学材料有限公司 | A high brightness anti-blue light brightness enhancement film |
| CN108627897A (en) * | 2017-03-16 | 2018-10-09 | 又进无尘科技（苏州）有限公司 | A kind of brightening piece |
| CN111308594A (en) * | 2020-04-02 | 2020-06-19 | 瑞年新材料(广东)有限公司 | High-brightness PET (polyethylene terephthalate) reflective film |
| CN112433280A (en) * | 2020-11-18 | 2021-03-02 | 合肥乐凯科技产业有限公司 | Optical composite film and preparation method thereof |
| CN214278463U (en) * | 2020-11-16 | 2021-09-24 | 浙江锦德光电材料有限公司 | Anti-yellowing multilayer optical composite film |
| CN113817382A (en) * | 2021-09-16 | 2021-12-21 | 常州大学 | Antireflection coating for enhancing thermal stability of thin film and preparation method and application thereof |
| CN215986824U (en) * | 2021-09-14 | 2022-03-08 | 江苏弘德光电材料科技有限公司 | Multilayer polarized light brightening optical laminating film |
-
2022
- 2022-04-15 CN CN202210399651.7A patent/CN114690291A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1195013A (en) * | 1997-09-17 | 1999-04-09 | Dainippon Printing Co Ltd | Prism sheet, manufacture thereof, surface light source device, and transmissive display |
| CN1661398A (en) * | 2004-02-23 | 2005-08-31 | 佳能株式会社 | Film having unevenness on surface, antireflection film, manufacturing method thereof, and optical member |
| CN102866441A (en) * | 2011-07-06 | 2013-01-09 | 高乐泰株式会社 | Optical film and manufacturing method thereof, liquid cristal display apparatus using the optical film |
| CN103740251A (en) * | 2013-12-17 | 2014-04-23 | 张家港康得新光电材料有限公司 | High-adhesion aqueous coating liquid for optical polyester film |
| CN205450322U (en) * | 2016-02-25 | 2016-08-10 | 东莞市纳利光学材料有限公司 | A high brightness anti-blue light brightness enhancement film |
| CN108627897A (en) * | 2017-03-16 | 2018-10-09 | 又进无尘科技（苏州）有限公司 | A kind of brightening piece |
| CN111308594A (en) * | 2020-04-02 | 2020-06-19 | 瑞年新材料(广东)有限公司 | High-brightness PET (polyethylene terephthalate) reflective film |
| CN214278463U (en) * | 2020-11-16 | 2021-09-24 | 浙江锦德光电材料有限公司 | Anti-yellowing multilayer optical composite film |
| CN112433280A (en) * | 2020-11-18 | 2021-03-02 | 合肥乐凯科技产业有限公司 | Optical composite film and preparation method thereof |
| CN215986824U (en) * | 2021-09-14 | 2022-03-08 | 江苏弘德光电材料科技有限公司 | Multilayer polarized light brightening optical laminating film |
| CN113817382A (en) * | 2021-09-16 | 2021-12-21 | 常州大学 | Antireflection coating for enhancing thermal stability of thin film and preparation method and application thereof |
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Effective date of registration: 20230908 Address after: Room 401, Building 15, Golden Shangcheng, No. 208 Songjiang Road, Industrial Park, Suzhou City, Jiangsu Province, 215127 Applicant after: Ma Huijun Address before: No. 369-13 Tayuan Road, Suzhou High tech Zone, Suzhou City, Jiangsu Province, 215011 Applicant before: Suzhou jinlemei New Material Co.,Ltd. Applicant before: Ma Huijun |