CN112649909A - Prism lens and application thereof - Google Patents

Prism lens and application thereof Download PDF

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Publication number
CN112649909A
CN112649909A CN202011526612.6A CN202011526612A CN112649909A CN 112649909 A CN112649909 A CN 112649909A CN 202011526612 A CN202011526612 A CN 202011526612A CN 112649909 A CN112649909 A CN 112649909A
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prism sheet
prism
molding glue
main body
nano material
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Inventor
刁全利
王清
潘家鑫
沈渊
周鹏
孙亮
许世峰
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CCS (SHANGHAI) FUNCTIONAL FILMS INDUSTRY CO LTD
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CCS (SHANGHAI) FUNCTIONAL FILMS INDUSTRY CO LTD
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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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C09J163/10—Epoxy resins modified by unsaturated compounds
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of optical film materials. The invention discloses a prism sheet, which consists of a back coating, a base film and a prism layer, wherein the prism layer is formed by curing and molding glue; the molding glue contains nano material particles; an application of prism sheet is used as upper brightness enhancement film of optical module. The prism sheet can improve the shielding performance and the screen display effect, increase the screen viewing angle, better adapt to a high-definition screen, simultaneously ensure that the screen brightness and the interference resistance meet the requirements, reduce the addition amount of the microbeads in the back coating and reduce the cost. When the prism sheet is used as an upper brightness enhancement film, the prism sheet can be well matched with 4K and 8K screens, can improve the shielding performance and the screen display effect, increase the screen visual angle, better adapt to high-definition screens, and simultaneously ensure that the screen brightness and the interference resistance meet the requirements.

Description

Prism lens and application thereof
Technical Field
The invention relates to the technical field of optical film materials, in particular to a prism sheet and application thereof.
Background
Along with the continuous development of LCD screen technique, screen resolution ratio is higher and higher (2K-4K-8K), and the size is bigger and bigger, has correspondingly proposed higher requirement to the visual angle of optical film group and improvement to the suitability of high definition LCD screen, and the screen visual angle increase, shielding nature improve, anti interference performance improve, luminance still need satisfy the requirement, and this has just brought the degree of difficulty for traditional method preparation membrane that adds lustre to: in the prior art, the visual angle is partially increased and the shielding property is improved mainly by increasing the haze of the back coating, but the brightness is reduced more after the treatment, and the brightness requirement cannot be met.
Disclosure of Invention
In order to solve the above problems, the present invention provides a prism sheet, which improves a shielding performance and a screen display effect, increases a screen viewing angle, and better adapts to a high definition screen by adding nanoparticles in a prism layer without affecting luminance and brightness;
the invention also provides an application of the prism sheet.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a prism sheet comprises a back coating, a base film and a prism layer, wherein the prism layer is formed by curing and molding glue; the molding glue contains nano material particles.
In the prior art, the prism sheet is composed of a back coating layer, a base film, and a prism layer, wherein the prism layer is molded from a pure resin material, in which inorganic particles are not added. The prism sheet of the invention is composed of a back coating, a base film and a prism layer as shown in fig. 1, wherein the back coating is a back coating which is conventional in the field and is formed by PBMA (Poly-p-phenylene benzobismethacrylate) particles or PMMA (polymethyl methacrylate) particles, glue and a solvent through micro-concave coating, and the main function of the prism sheet is to realize the anti-adhesion function when films are stacked; the base film is a conventional optical base film in the field and mainly plays a role of a functional layer carrier on two sides; the prism layer is formed by solidifying and copying molding glue through a mold, and mainly has the function of gathering light rays in all directions after the light rays penetrate through the back coating and the base film, so that the light rays are concentrated at the front viewing angle.
Preferably, the pitch value of the prism layer is 10-25 μm, the structure height of the prism layer is 2/5-3/5 of the pitch value, the base thickness of the prism layer is 3-5 μm, and the angle of the apex angle of the prism layer is 87.5-92.5 °.
Theoretically, when the vertex angle of the prism is 90 degrees, the convergence effect is optimal, so that the vertex angle of the prism of the product is close to 90 degrees as much as possible, and the gain is better; each prism is of a different configuration and the height is cycled from high to low to high (dither configuration) and the cross-section of adjacent prisms is different, as shown in figures 1 and 2.
Preferably, the surface of the prism layer is provided with a wave structure that reciprocates cyclically, as shown in fig. 3.
Preferably, the molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: (30-200); the main body of the molding glue consists of 40-50 wt% of resin, 30-55 wt% of monomer, 1-5 wt% of photoinitiator and 0.1-1 wt% of additive.
Preferably, when the molding glue is prepared, a dispersing agent is added into the main body of the molding glue, and the addition amount of the dispersing agent is 0.2-2.0 wt% of the weight of the main body of the molding glue.
Preferably, the resin is at least one of epoxy acrylate, urethane acrylate or polyester acrylate; the monomer is at least one of o-phenyl ethyl acrylate, ethoxy phenol acrylate, benzyl acrylate, 1, 6-hexanediol diacrylate, tetrahydrofurfuryl acrylate or bisphenol A diacrylate.
Preferably, the photoinitiator is at least one of photoinitiator TPO, photoinitiator 184, photoinitiator 1173, or photoinitiator 819.
Preferably, the additive is at least one of BYK-371, BYK-333, BYK-UV3505, or BYK-3500.
Preferably, the nano material particles are at least one of kaolin, aluminum hydroxide, magnesium hydroxide, calcium carbonate or titanium dioxide.
Preferably, the particle size of the nanomaterial particles is in the range of 300-500 nm.
Preferably, the particle size of the nano-material particles is in the range of 300-500nm, and the median particle size D50Is 400 nm.
Preferably, the weight ratio of the forming glue main body to the nano material particles in the forming glue is (30-40): 1.
preferably, the weight ratio of the molding glue main body, the nano material particles and the dispersing agent in the molding glue is 40: 1: 0.5.
when the molding glue is prepared, firstly, the dispersing agent is added into the main body of the molding glue for stirring treatment, then, the nano material particles are added into the main body of the molding glue for stirring treatment, and the stirring speed is 60-100 rpm.
When the prism sheet is specifically prepared, a mold is required to be prepared or prepared, then the molding glue is heated to 40-50 ℃, and the mold is adopted for molding production.
The mould can adopt a hard forming copper mould or a soft mould copied by the hard forming mould, and the hard forming copper mould can be prepared by the following method:
1. electroplating 50-80um of bottom copper on the surface of the stainless steel base roller, and continuously electroplating a high-purity copper layer with the thickness of between 100 and 200um (or the thickness of the processed residual copper layer of about 100um of the copper roller), wherein the hardness of the copper layer is between 240 and 250 HV; then, primarily turning the surface of the flat copper layer by using a lathe;
2. standing the copper roller in a precision engraving machine processing workshop, and adapting for 24 hours at constant temperature;
3. hoisting the copper roller to a precise engraving machine, calibrating the copper roller run-out value, and carrying out precise flat car treatment on the surface of the copper roller by using a diamond cutter; then, a 90-degree right-angled diamond cutter is replaced, and a standard pitch18 mu m prism structure which shakes up and down +/-2 mu m is machined on the copper layer on the surface of the copper roller by adopting a program of a fast cutter servo mode and a shaking structure.
4. After the engraving is finished, a test product can be directly produced by using hard forming equipment; however, in order to reduce the production cost, the original mold Master is manufactured and copied for 2 generations, and then the original mold Master is produced in batch by using soft forming equipment.
An application of prism sheet is used as upper brightness enhancement film of optical module.
Therefore, the invention has the following beneficial effects:
the prism sheet can improve the shielding performance and the screen display effect, increase the screen viewing angle, better adapt to a high-definition screen, simultaneously ensure that the screen brightness and the interference resistance meet the requirements, reduce the addition amount of the microbeads in the back coating and reduce the cost.
When the prism sheet is used as an upper brightness enhancement film, the prism sheet can be well matched with 4K and 8K screens, can improve the shielding performance and the screen display effect, increase the screen visual angle, better adapt to high-definition screens, and simultaneously ensure that the screen brightness and the interference resistance meet the requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a prism sheet according to the present invention;
FIG. 2 is a diagram illustrating the parameters of the prism sheet according to the present invention;
FIG. 3 is a schematic view of a prism layer in the prism sheet according to the present invention;
in the figure: prism layer 1, base film 2, back coating 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
General examples
As shown in fig. 1-3, a prism sheet is composed of a back coating layer, a base film and a prism layer, wherein the prism layer is formed by curing and molding glue; the molding glue contains nano material particles.
The pitch value of the prism layer is 10-25 mu m, the structure height of the prism layer is 2/5-3/5 of the pitch value, the base thickness of the prism layer is 3-5 mu m, and the angle of the vertex angle of the prism layer is 87.5-92.5 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: (30-200); the main body of the molding glue consists of 40-50 wt% of resin, 30-55 wt% of monomer, 1-5 wt% of photoinitiator and 0.1-1 wt% of additive.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, the addition amount of the dispersing agent is 0.2-2.0 wt% of the weight of the main body of the molding glue, and the weight ratio of the main body of the molding glue to the nano material particles in the molding glue is (30-40): 1, more preferably, the weight ratio of the main body of the molding glue, the nano material particles and the dispersing agent in the molding glue is 40: 1: 0.5; the resin is at least one of epoxy acrylate, polyurethane acrylate or polyester acrylate; the monomer is o-phenylAt least one of phenylethyl acrylate, ethoxyphenol acrylate, benzyl acrylate, 1, 6-hexanediol diacrylate, tetrahydrofurfuryl acrylate, or bisphenol a diacrylate; the photoinitiator is at least one of photoinitiator TPO, photoinitiator 184, photoinitiator 1173 or photoinitiator 819; the additive is at least one of BYK-371, BYK-333, BYK-UV3505 or BYK-3500; the nano material particles are at least one of kaolin, aluminum hydroxide, magnesium hydroxide, calcium carbonate or titanium dioxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50Is 400 nm.
An application of prism sheet is used as upper brightness enhancement film of optical module.
Example 1
An upper brightness enhancement film of an optical module is a prism sheet.
As shown in fig. 1-3, the prism sheet is composed of a back coating, a base film and a prism layer, the haze of the back coating is 5%, and the prism layer is formed by curing and molding glue; the pitch value of the prism layer is 18 mu m, the structure height of the prism layer is 9 mu m, the base thickness of the prism layer is 4 mu m, and the angle of the vertex angle of the prism layer is 90 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: 30, of a nitrogen-containing gas; the main body of the molding glue is composed of resin, monomer, photoinitiator and additive, wherein the weight percentage of the resin is 48 wt%, the weight percentage of the monomer is 48 wt%, the weight percentage of the photoinitiator is 3 wt%, and the weight percentage of the additive is 1 wt%.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, and the addition amount of the dispersing agent is 1.25 wt% of the weight of the main body of the molding glue; the resin is epoxy acrylate; the monomer is o-phenyl ethyl acrylate; the photoinitiator is photoinitiator TPO; the additive is BYK-371; the nano material particles are aluminum hydroxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50 is 400 nm.
Example 2
An upper brightness enhancement film of an optical module is a prism sheet.
As shown in fig. 1-3, the prism sheet is composed of a back coating, a base film and a prism layer, the haze of the back coating is 5%, and the prism layer is formed by curing and molding glue; the pitch value of the prism layer is 18 mu m, the structure height of the prism layer is 9 mu m, the base thickness of the prism layer is 4 mu m, and the angle of the vertex angle of the prism layer is 90 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: 40; the main body of the molding glue is composed of resin, monomer, photoinitiator and additive, wherein the weight percentage of the resin is 48 wt%, the weight percentage of the monomer is 48 wt%, the weight percentage of the photoinitiator is 3 wt%, and the weight percentage of the additive is 1 wt%.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, and the addition amount of the dispersing agent is 1.25 wt% of the weight of the main body of the molding glue; the resin is epoxy acrylate; the monomer is o-phenyl ethyl acrylate; the photoinitiator is photoinitiator TPO; the additive is BYK-371; the nano material particles are aluminum hydroxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50 is 400 nm.
Example 3
An upper brightness enhancement film of an optical module is a prism sheet.
As shown in fig. 1-3, the prism sheet is composed of a back coating, a base film and a prism layer, the haze of the back coating is 5%, and the prism layer is formed by curing and molding glue; the pitch value of the prism layer is 18 mu m, the structure height of the prism layer is 9 mu m, the base thickness of the prism layer is 4 mu m, and the angle of the vertex angle of the prism layer is 90 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: 50; the main body of the molding glue is composed of resin, monomer, photoinitiator and additive, wherein the weight percentage of the resin is 48 wt%, the weight percentage of the monomer is 48 wt%, the weight percentage of the photoinitiator is 3 wt%, and the weight percentage of the additive is 1 wt%.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, and the addition amount of the dispersing agent is 1.25 wt% of the weight of the main body of the molding glue; the resin is epoxy acrylate; the monomer is o-phenyl ethyl acrylate; the photoinitiator is photoinitiator TPO; the additive is BYK-371; the nano material particles are aluminum hydroxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50 is 400 nm.
Example 4
An upper brightness enhancement film of an optical module is a prism sheet.
As shown in fig. 1-3, the prism sheet is composed of a back coating, a base film and a prism layer, the haze of the back coating is 5%, and the prism layer is formed by curing and molding glue; the pitch value of the prism layer is 18 mu m, the structure height of the prism layer is 9 mu m, the base thickness of the prism layer is 4 mu m, and the angle of the vertex angle of the prism layer is 90 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: 100, respectively; the main body of the molding glue is composed of resin, monomer, photoinitiator and additive, wherein the weight percentage of the resin is 48 wt%, the weight percentage of the monomer is 48 wt%, the weight percentage of the photoinitiator is 3 wt%, and the weight percentage of the additive is 1 wt%.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, and the addition amount of the dispersing agent is 1.25 wt% of the weight of the main body of the molding glue; the resin is epoxy acrylate; the monomer is o-phenyl ethyl acrylate; the photoinitiator is photoinitiator TPO; the additive is BYK-371; the nano material particles are aluminum hydroxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50 is 400 nm.
Example 5
An upper brightness enhancement film of an optical module is a prism sheet.
As shown in fig. 1-3, the prism sheet is composed of a back coating, a base film and a prism layer, the haze of the back coating is 5%, and the prism layer is formed by curing and molding glue; the pitch value of the prism layer is 18 mu m, the structure height of the prism layer is 9 mu m, the base thickness of the prism layer is 4 mu m, and the angle of the vertex angle of the prism layer is 90 degrees; the surface of the prism layer is provided with a fluctuation structure which reciprocates circularly.
The molding glue comprises a molding glue main body and nano material particles, and the weight ratio of the nano material to the molding glue main body is 1: 200 of a carrier; the main body of the molding glue is composed of resin, monomer, photoinitiator and additive, wherein the weight percentage of the resin is 48 wt%, the weight percentage of the monomer is 48 wt%, the weight percentage of the photoinitiator is 3 wt%, and the weight percentage of the additive is 1 wt%.
When the molding glue is prepared, firstly, a dispersing agent is added into a main body of the molding glue, and the addition amount of the dispersing agent is 1.25 wt% of the weight of the main body of the molding glue; the resin is epoxy acrylate; the monomer is o-phenyl ethyl acrylate; the photoinitiator is photoinitiator TPO; the additive is BYK-371; the nano material particles are aluminum hydroxide, the particle size range of the nano material particles is 300-500nm, and the median particle size D50 is 400 nm.
Comparative example
The comparative example used an upper brightness enhancement film having a normal backcoat haze of 40% with no nanomaterial particles in the prism layer.
The technical effects are as follows:
the performance characteristics of the upper brightness enhancement films of the above examples 1 to 5 and comparative example were compared, the backlight type was DLED, and the related performance results are shown in Table 1 below.
Figure BDA0002851000170000091
From the test results in the above table, the weight of the molding cement body to the nano-material particle ratio in example 2 was 40: 1, the visual angle can exceed 85 degrees, and the brightness is in a required range; weight of the molding glue host to nano material particle ratio in example 1 30: 1, the visual angle can exceed 95 degrees, but the brightness loss is more and exceeds the lower limit, but the method can also be used for certain special requirement models; the sample shielding performance and the screen display effect of the two addition proportions also meet the requirements, and other main performance indexes are basically kept consistent. And the consumption of the back-coated microbeads is greatly reduced, and the comprehensive cost is reduced by 3-5%. The appropriate adding proportion can be selected according to the requirement of the terminal client on the visual angle.
The ratio of the weight of the formed glue main body to the nano material particles in example 3 is 50:1, which is close to the normal common brightening performance; the ratio of the weight of the molding glue main body to the nano material particles is 100:1 or less, the visual angle and the shielding property are slightly poor, but the brightness loss is small, and the molding glue can also be used for scenes with high brightness requirements.
The present invention is not described in detail in the prior art, and therefore, the present invention is not described in detail.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims (10)

1. A prism sheet, characterized in that:
the prism layer is formed by curing and molding glue; the molding glue contains nano material particles.
2. The prism sheet according to claim 1, wherein:
the pitch value of the prism layer is 10-25 mu m, the structure height of the prism layer is 2/5-3/5 of the pitch value, the basic thickness of the prism layer is 3-5 mu m, and the angle of the vertex angle of the prism layer is 87.5-92.5 degrees.
3. The prism sheet according to claim 1, wherein:
and a circulating and reciprocating fluctuation structure is arranged on the surface of the prism layer.
4. The prism sheet according to claim 1, wherein:
the molding glue comprises a molding glue main body and nano material particles, wherein the weight ratio of the nano material to the molding glue main body is 1: (30-200); the main body of the molding glue is composed of 40-50 wt% of resin, 30-55 wt% of monomer, 1-5 wt% of photoinitiator and 0.1-1 wt% of additive.
5. The prism sheet according to claim 4, wherein:
when the forming glue is prepared, firstly, a dispersing agent is added into a main body of the forming glue, and the addition amount of the dispersing agent is 0.2-2.0 wt% of the weight of the main body of the forming glue.
6. The prism sheet according to claim 4, wherein:
the resin is at least one of epoxy acrylate, polyurethane acrylate or polyester acrylate; the monomer is at least one of o-phenyl ethyl acrylate, ethoxy phenol acrylate, benzyl acrylate, 1, 6-hexanediol diacrylate, tetrahydrofurfuryl acrylate or bisphenol A diacrylate.
7. The prism sheet according to claim 1 or 4, wherein:
the nano material particles are at least one of kaolin, aluminum hydroxide, magnesium hydroxide, calcium carbonate or titanium dioxide.
8. The prism sheet according to claim 1, wherein:
the particle size range of the nano material particles is 300-500 nm.
9. The prism sheet according to claim 4, wherein:
the weight ratio of the molding glue main body to the nano material particles in the molding glue is (30-40): 1.
10. use of the prism sheet according to claims 1 to 9, wherein:
the film is used as an upper brightness enhancement film of an optical module.
CN202011526612.6A 2020-12-22 2020-12-22 Prism lens and application thereof Pending CN112649909A (en)

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