CN107179574A - A kind of high briliancy wide viewing angle brightness enhancement film - Google Patents
A kind of high briliancy wide viewing angle brightness enhancement film Download PDFInfo
- Publication number
- CN107179574A CN107179574A CN201710616594.2A CN201710616594A CN107179574A CN 107179574 A CN107179574 A CN 107179574A CN 201710616594 A CN201710616594 A CN 201710616594A CN 107179574 A CN107179574 A CN 107179574A
- Authority
- CN
- China
- Prior art keywords
- enhancement film
- brightness enhancement
- particle
- solvent
- wide viewing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to the brightness enhancement film that backlight in a kind of liquid crystal display is used, more particularly to a kind of high briliancy wide viewing angle brightness enhancement film.In order to solve the problem of large-sized monitor brightness is inadequate, angle of visibility is small, the present invention provides a kind of high briliancy wide viewing angle brightness enhancement film.The high briliancy wide viewing angle brightness enhancement film that the present invention is provided includes brightening structure layer, substrate layer, back coating successively.The features such as brightness enhancement film that the present invention is provided is with higher briliancy performance, anti-scratch height, wide viewing angle, after in backlight module, can effectively solve the problem that display power consumption is serious, brightness is inadequate, the problems such as visual angle is less than normal.
Description
Technical field
The present invention relates to the brightness enhancement film that backlight in a kind of liquid crystal display is used, more particularly to a kind of high briliancy wide viewing angle
Brightness enhancement film.
Background technology
Brightness enhancement film is one of most important optical film, the master of brightness enhancement film in the backlight module for be widely used in liquid crystal display
The all directions light that acting on is will be projected from light source is concentrated to front, so as to improve light utilization efficiency, is reduced light loss, is reached and carry
High backlight illumination, or reduce the purpose of power consumption.Its blast principle is the triangular structure that make use of its special, when via
When the light of diffusion sheet scattering reaches body structure surface, the light less than membrane material refraction critical angle of adding lustre to is projected through structural plane, greatly
Through structural plane diffusion sheet is reflected back in the light for membrane material refraction critical angle of adding lustre to, some light is recycled again.This
Sample emergent ray is concentrated in the range of +/- 35 ° or so (with normal direction), improves the brightness of centre visual angle.
In order to increase the brightness of brightness enhancement film centre visual angle, it is necessary to select the acrylic materials of high index of refraction, but when folding
Penetrate after rate raising, brightness enhancement film is anti-scratch to be deteriorated, and centre visual angle can diminish, be unfavorable for downstream assembling industry production, more influence
The angle of visibility of people's viewing.
The content of the invention
In order to solve the problem of large-sized monitor brightness is inadequate, angle of visibility is small, the present invention provides a kind of high briliancy and extensively regarded
The brightness enhancement film at angle.The brightness enhancement film includes brightening structure layer, substrate layer and back coating successively.The brightness enhancement film has higher briliancy
The features such as performance, anti-scratch height, wide viewing angle, after in backlight module, it can effectively solve the problem that display power consumption is serious, brightness is not
It is enough, assembling scratch, the problems such as visual angle is less than normal.The length that large-sized monitor is often referred to diagonal sideline is more than or equal to 19 inches
Display.
In order to solve the above-mentioned technical problem, the present invention uses following technical proposals：
The present invention provides a kind of high briliancy wide viewing angle brightness enhancement film, and the brightness enhancement film includes brightening structure layer, substrate layer successively
And back coating.Described brightening structure layer includes binder resin and inorganic oxide particle.The binder resin is selected from solvent-free
Type ultraviolet-curing resin
Described brightening structure layer includes no-solvent type ultraviolet-curing resin and inorganic oxide particle；The substrate layer bag
Include polyester resin；Described back coating include solvent-borne type ultraviolet-curing resin, acrylic (polymethyl methacrylate) particle and
Solvent.
Further, the no-solvent type ultraviolet-curing resin of the brightening structure layer is polyester acrylate resin.
Further, the refractive index of the no-solvent type ultraviolet-curing resin in described brightening structure layer is 1.51-1.55.
Further, the refractive index of the polyester acrylate resin is preferably 1.53.
Further, the polyester resin of the substrate layer is PET, and the thickness of the substrate layer is 188-250 μm.
Further, the thickness of the substrate layer is preferably 188 μm.
Further, the solvent-borne type ultraviolet-curing resin of the back coating is selected from acrylic resin, polyester resin, polyurethane
One kind or at least two combination in resin, polyvinyl resin, Corvic.
Further, the solvent-borne type ultraviolet-curing resin of the back coating is preferably solvent-borne type ultra-violet curing acrylic acid tree
Fat.
Further, the brightening structure layer is prism structural layer, and the cross section of the prism structural layer includes what is be connected
Isosceles triangle, the drift angle of the isosceles triangle is circular arc.Further, the base of the isosceles triangle is connected.Enter one
Step, the base of the isosceles triangle partially overlaps.
Further, the brightening structure layer includes some prism bars, and the cross section of the prism bar is isosceles triangle,
The base of the triangle is connected, and the drift angle of the triangle is fillet.
Fillet is with the original angle of one section of circular arc replacement tangent with the both sides at angle, the radius table of the size circular arc of fillet
Show.
Further, the corner angle of the isosceles triangle is 60-140 °, and the radius of the circular arc is 0-4 μm.
Further, the corner angle of the isosceles triangle is 60-140 °, and the height of the isosceles triangle is 20-
30 μm, the radius of the circular arc is 0.5-4 μm.
Further, the corner angle of the isosceles triangle is preferably 120 ° -140 °.
Further, the corner angle of the isosceles triangle is preferably 120 °.
Further, the highly preferred of the isosceles triangle is 25 μm.
Further, the arc radius is preferably 2-3 μm.
Further, the arc radius is preferably 2 μm.
Further, the particle diameter of the inorganic oxide particle is 100-200nm.
Further, the material of the inorganic oxide particle is selected from TiO2、Al2O3Or one kind in ZnS.
Further, the inorganic oxide particle and binder resin be (such as：No-solvent type ultraviolet-curing resin) refraction
Rate is different.
Further, the refractive index of the inorganic oxide particle is followed successively by TiO from big to small2, ZnS and Al2O3。
That is TiO2The refractive index ＞ Al of the refractive index ＞ ZnS particles of particle2O3The refractive index of particle.
Further, the inorganic oxide particle is preferably TiO2, the particle diameter of the inorganic oxide particle is preferably
120-150nm。
Further, the inorganic oxide particle consumption be binder resin (such as：No-solvent type ultraviolet-curing resin) use
The 1%-5% of amount, the percentage is weight percentage.
Further, the inorganic oxide particle consumption be preferably binder resin (such as：No-solvent type ultra-violet curing tree
Fat) consumption 3%-4%.
Further, the raw material of the back coating is first configured to back coating liquid, and the back coating liquid includes solvent-borne type ultra-violet curing
Resin glue 19-39%, acrylic (polymethyl methacrylate) particle 0.01-5%, solvent 60-80%, the percentage is
Percentage by weight.
Further, the solvent be selected from butanone, it is toluene, butyl acetate, ethyl acetate, cyclohexanone, propylene glycol monomethyl ether, different
One kind or at least two combination in propyl alcohol or ethanol.
Further, solvent is preferably butanone, toluene and propylene glycol monomethyl ether.Further, the butanone, toluene and the third two
The mass ratio of alcohol methyl ether is 1:1:2.
Further, the particle diameter of the acrylic particle is 1-20 μm.
Further, the particle diameter of the acrylic particle is preferably 3-7 μm.
Further, the particle diameter of the acrylic particle is preferably 3-5 μm.
Further, the height of isosceles triangle is 20-30 μm, the drift angle angle of isosceles triangle in the brightening structure layer
Degree is 120 ° -140 °, arc radius is 2-3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 100-
200nm, its consumption be binder resin (such as：Polyester acrylate resin) 3-4%.Above-mentioned technical proposal includes embodiment 1-6, reality
Apply example 16, embodiment 23-26 and embodiment 28-31.
Further, in the brightening structure layer, substrate layer is PET, and its thickness is 188-250um；The raw material of back coating
It is sub- including solvent-borne type ultra-violet curing acrylic resin glue 19-39%, acrylic (polymethyl methacrylate) particle 1-3%
The particle diameter of gram force particle is 3-7 μm, and solvent 60-80%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2.
The back coating liquid that the raw material of mixed back coating is configured to is coated on to the lower surface of substrate layer by anilox roll.Above-mentioned technical side
Case includes embodiment 1-6, embodiment 16, embodiment 23-26 and embodiment 28-31.
Further, in the brightening structure layer, the height of isosceles triangle is 25 μm, the corner angle of isosceles triangle
It it is 3 μm for 120 °, arc radius；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 120-150nm, and it is used
Measure and (be also referred to as content) as binder resin (such as：Polyester acrylate resin) 3-4%.Above-mentioned technical proposal includes the He of embodiment 2
Embodiment 23.
Further, in the brightening structure layer, substrate layer is the PET that thickness is 188um；The raw material of back coating includes molten
Formulation ultra-violet curing acrylic resin glue 19-25%, acrylic (polymethyl methacrylate) particle 1-3%, acrylic grain
The particle diameter of son is 3-5 μm, and solvent 72-80%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, pass through net
Mixed back coating raw material is coated on substrate layer by line roller.Above-mentioned technical proposal includes embodiment 2 and embodiment 23.
The preparation method for the high briliancy wide viewing angle brightness enhancement film that the present invention is provided comprises the following steps：
(1) no-solvent type ultra-violet curing polyester acrylate resin glue and inorganic oxide particle are well mixed；
(2) mixture that step (1) is obtained is coated on to a surface of substrate layer by structure rod, micro- knot is imprinted out
Structure, and solidify micro-structural under UV illumination, obtain prism structural layer；
(3) mixed solvent type ultraviolet-curing resin glue, acrylic particle and solvent, are configured to back coating liquid；
(4) back coating liquid is coated on to another surface of substrate layer by anilox roll, after being toasted by baking oven, in UV illumination
It is lower to solidify back coating.
Compared with existing brightness enhancement film, the brightness enhancement film that the present invention is provided has higher briliancy performance, high anti-scratch and wide viewing angle
The features such as, excellent combination property；, can be effective after the high briliancy wide viewing angle brightness enhancement film that the present invention is provided is applied in backlight module
Solve that display power consumption is serious, brightness not enough, assembling scratch and the problems such as visual angle less than normal.
Brief description of the drawings
The structural representation for the high briliancy wide viewing angle brightness enhancement film that Fig. 1 provides for the present invention.
Embodiment
To more fully understand technical scheme, the present invention is carried out below in conjunction with accompanying drawing and specific embodiment detailed
Describe in detail bright.
As shown in figure 1, the present invention provides a kind of high briliancy wide viewing angle brightness enhancement film, the brightness enhancement film includes brightening structure successively
Layer 1, substrate layer 2 and back coating 3.
The preparation method for the high briliancy wide viewing angle brightness enhancement film that the present invention is provided comprises the following steps：
(1) no-solvent type ultra-violet curing polyester acrylate resin glue and inorganic oxide particle are well mixed；
(2) mixture that step (1) is obtained is coated on to a surface of substrate layer by structure rod, micro- knot is imprinted out
Structure, and solidify micro-structural under UV illumination, obtain prism structural layer；
(3) mixed solvent type ultraviolet-curing resin glue, acrylic particle and solvent, are configured to back coating liquid；
(4) back coating liquid is coated on to another surface of substrate layer by anilox roll, after being toasted by baking oven, in UV illumination
It is lower to solidify back coating.
The method of testing for the brightness enhancement film that the present invention is provided is as follows：
1st, brightness enhancement film briliancy：Using BM-7A brightness photometers, test condition is performed according to JJG 2033-1989 standards.Briliancy is surveyed
Try using Taiwan meet brightness (E-Fun) company production brightness enhancement film 5AD2 as control sample, using the briliancy of control sample as 100%, calculating and
The ratio of control sample is luminance gain.Luminance gain is higher, illustrates that the brightening effect of brightness enhancement film is better.
2nd, angle of visibility：Using EZContrast visual angel measuring devices, test condition is performed according to the standards of YD/T 1067.
3rd, resistance to scraping：Using the anti-scratch testers of MGW-001, test condition is performed according to GB/T 2918.The gravimetric value measured
The resistance to scraping of higher explanation brightness enhancement film is better.
Embodiment 1
The present invention provides a kind of high briliancy wide viewing angle brightness enhancement film, and the brightness enhancement film includes brightening structure layer, substrate layer successively
And back coating；The brightening structure layer is prism structure, and the cross section of the prism structure is isosceles triangle, the isosceles three
Angular drift angle is circular arc.Wherein, the height of isosceles triangle be 25 μm, the corner angle of isosceles triangle be 120 °, circular arc
Radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, and its content is polyester acrylic
The 3% of resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic resin glue
19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%, and solvent includes
Butanone, toluene, propylene glycol monomethyl ether, mass ratio are 1:1:2, mixed back coating is coated on by substrate layer by anilox roll.
Embodiment 2
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 5 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 3
The brightness enhancement film provided such as embodiment 1.Wherein, isosceles triangle is highly 25 μm, the corner angle of isosceles triangle
It it is 2 μm for 140 °, arc radius；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, and its content is
The 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid tree
Fat glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 7 μm, and solvent 80% is molten
Agent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base material by anilox roll
Layer.
Embodiment 4
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 100nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 5
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 200nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 5 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 6
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 4% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 7 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 7
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 90 °, arc radius is 3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 3 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 8
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 90 °, arc radius is 4 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 5 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 9
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 0 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 7 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 10
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 1 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.9%, acrylic (polymethyl methacrylate) particle 0.1%, the particle diameter of acrylic particle is 3 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 11
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 4 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.9%, acrylic (polymethyl methacrylate) particle 0.1%, the particle diameter of acrylic particle is 5 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 12
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 60 °, arc radius is 4 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.9%, acrylic (polymethyl methacrylate) particle 0.1%, the particle diameter of acrylic particle is 7 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 13
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 60 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 14
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 90 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 5 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 15
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 60 °, arc radius is 3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 7 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 16
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 140 °, arc radius is 3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 17
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 5 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 18
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 39%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 7 μm, solvent 60%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 19
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, people's drift angle of isosceles triangle
Angle is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, and it contains
Measure as the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing propylene
Acid resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 3 μm, molten
Agent 68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, by anilox roll by mixed back coating
It is coated on substrate layer.
Embodiment 20
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 5 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 21
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 20 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.99%, acrylic (polymethyl methacrylate) particle 0.01%, the particle diameter of acrylic particle is 7 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 22
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 30 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 200nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 31.9%, acrylic (polymethyl methacrylate) particle 0.1%, the particle diameter of acrylic particle is 3 μm, solvent
68%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 23
The brightness enhancement film provided such as embodiment 1.Wherein, isosceles triangle be highly 25 μm, isosceles triangle corner angle be
120 °, arc radius be 3 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 120nm, and its content is poly-
The 4% of ester acrylic resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic resin
Glue 25%, acrylic (polymethyl methacrylate) particle 3%, the particle diameter of acrylic particle is 3 μm, solvent 72%, solvent
Including butanone, toluene, propylene glycol monomethyl ether, mass ratio is 1:1:2, mixed back coating is coated on by base material by anilox roll
Layer.
Embodiment 24
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 1 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 25
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 20 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 26
The brightness enhancement film provided such as embodiment 1.Wherein, isosceles triangle be highly 30 μm, isosceles triangle corner angle be
140 °, arc radius be 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO2Particle diameter is 120nm, and its content is poly-
The 4% of ester acrylic resin.Substrate layer is the PET that thickness is 250um.Back coating includes solvent-borne type ultra-violet curing acrylic resin
Glue 25%, acrylic (polymethyl methacrylate) particle 3%, the particle diameter of acrylic particle is 3 μm, solvent 72%, solvent
Including butanone, toluene, propylene glycol monomethyl ether, mass ratio is 1:1:2, mixed back coating is coated on by base material by anilox roll
Layer.
Embodiment 27
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 0.5 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, and it contains
Measure as the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing polyester
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 28
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 20 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 220um.Back coating includes solvent-borne type ultra-violet curing acrylic acid
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 29
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing polyethylene
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Embodiment 30
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing polychlorostyrene second
Olefine resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent
80%, solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is applied by anilox roll
Cloth is in substrate layer.
Embodiment 31
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 25 μm, the drift angle angle of isosceles triangle
Degree is 120 °, arc radius is 2 μm；Brightening structure layer includes inorganic oxide particle TiO2, TiO particle diameters are 150nm, its content
For the 3% of polyester acrylate resin.Substrate layer is the PET that thickness is 188um.Back coating includes solvent-borne type ultra-violet curing polyurethane
Resin glue 19%, acrylic (polymethyl methacrylate) particle 1%, the particle diameter of acrylic particle is 3 μm, solvent 80%,
Solvent includes butanone, toluene, propylene glycol monomethyl ether, and mass ratio is 1:1:2, mixed back coating is coated on by base by anilox roll
Material layer.
Comparative example 1
The brightness enhancement film provided such as embodiment 1.Wherein, the height of isosceles triangle is 15 μm, the drift angle angle of isosceles triangle
Degree is 50 °, arc radius is 5 μm.
Comparative example 2
The brightness enhancement film provided such as embodiment 1.Wherein, arc radius is 6 μm；The height of isosceles triangle is 35 μm, isosceles
The corner angle of triangle is 150 °.
Comparative example 3
The brightness enhancement film that such as embodiment 1 is provided, wherein, the particle diameter of inorganic oxide particle is 50nm in blast layer material, its
Content is the 3% of polyester acrylate resin.
Comparative example 4
The brightness enhancement film that such as embodiment 1 is provided, wherein, the particle diameter of inorganic oxide particle is 250nm in blast layer material, its
Content is the 1% of polyester acrylate resin.
Comparative example 5
The brightness enhancement film that such as embodiment 1 is provided, wherein, the content of inorganic oxide particle is polyester in blast layer material
The 6% of acid resin.
Control sample
Meet the brightness enhancement film 5AD2 of brightness (E-Fun) company production in Taiwan.
The technology of the structural parameters of brightening structure layer and inorganic oxide particle in the embodiment 1-31 of table 1 and comparative example 1-5
Feature
The performance test results for the brightness enhancement film that the control sample of table 2, embodiment 1-31 and comparative example 1-5 are provided
According to the data display in table 1, table 2, embodiment 1-6, embodiment 16, embodiment 23-26 and embodiment 28-31 are carried
The luminance gain of the brightness enhancement film of confession is at least the load-carrying at least 800g that 100.4%, angle of visibility is at least 112 ° and anti scuffing, can
To reach high briliancy, wide viewing angle and anti scuffing, combination property is preferable.Particularly, embodiment 2 and embodiment 23 for the present invention most
Excellent embodiment, luminance gain is at least 101.6%, angle of visibility and reaches 124 °, and the load-carrying of anti scuffing is at least 900g.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is every
In the equivalent changes and modifications done according to present invention, the scope of the claims for being encompassed by the present invention.
Claims (10)
1. a kind of high briliancy wide viewing angle brightness enhancement film, it is characterised in that the brightness enhancement film include successively brightening structure layer, substrate layer and
Back coating.
2. high briliancy wide viewing angle brightness enhancement film according to claim 1, it is characterised in that described brightening structure layer includes viscous
Resin and inorganic oxide particle.
3. high briliancy wide viewing angle brightness enhancement film according to claim 1, it is characterised in that the brightening structure layer is prism knot
Structure layer, the cross section of the prism structural layer includes connected isosceles triangle, and the drift angle of the isosceles triangle is circular arc.
4. high briliancy wide viewing angle brightness enhancement film according to claim 3, it is characterised in that the drift angle angle of the isosceles triangle
Spend for 60-140 °, the radius of the circular arc is 0-4 μm.
5. high briliancy wide viewing angle brightness enhancement film according to claim 2, it is characterised in that the grain of the inorganic oxide particle
Footpath is 100-200nm.
6. high briliancy wide viewing angle brightness enhancement film according to claim 2, it is characterised in that the material of the inorganic oxide particle
Material is selected from TiO2、Al2O3Or one kind in ZnS.
7. high briliancy wide viewing angle brightness enhancement film according to claim 2, it is characterised in that the inorganic oxide particle consumption
For the 1%-5% of binder resin consumption, the percentage is weight percentage.
8. high briliancy wide viewing angle brightness enhancement film according to claim 7, it is characterised in that the inorganic oxide particle consumption
For the 3%-4% of binder resin consumption, the percentage is weight percentage.
9. high briliancy wide viewing angle brightness enhancement film according to claim 6, it is characterised in that the material of the inorganic oxide particle
Material is selected from TiO2。
10. high briliancy wide viewing angle brightness enhancement film according to claim 8, it is characterised in that the particle diameter of the acrylic particle
For 1-20 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616594.2A CN107179574B (en) | 2017-07-19 | 2017-07-19 | High-luminance wide-viewing-angle brightness enhancement film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616594.2A CN107179574B (en) | 2017-07-19 | 2017-07-19 | High-luminance wide-viewing-angle brightness enhancement film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107179574A true CN107179574A (en) | 2017-09-19 |
| CN107179574B CN107179574B (en) | 2020-07-31 |
Family
ID=59838358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710616594.2A Active CN107179574B (en) | 2017-07-19 | 2017-07-19 | High-luminance wide-viewing-angle brightness enhancement film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107179574B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799553A (en) * | 2018-12-26 | 2019-05-24 | 宁波激智科技股份有限公司 | Preparation method and a kind of lenticule brightness enhancement film of a kind of metal mother and preparation method thereof |
| CN113253371A (en) * | 2021-04-25 | 2021-08-13 | 惠州视维新技术有限公司 | Brightness enhancement film |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294709A (en) * | 1994-04-20 | 1995-11-10 | Mitsubishi Rayon Co Ltd | Luminance improving transparent sheet |
| JPH09304605A (en) * | 1996-05-15 | 1997-11-28 | Sekisui Chem Co Ltd | Production of optical control sheet |
| CN101000386A (en) * | 2006-01-13 | 2007-07-18 | 长兴化学工业股份有限公司 | Light-focusing prism |
| JP2008032824A (en) * | 2006-07-26 | 2008-02-14 | Kyodo Printing Co Ltd | Light diffusing sheet |
| US20080310171A1 (en) * | 2006-02-03 | 2008-12-18 | Daicel Chemical Industries, Ltd. | Optical sheet |
| CN201233488Y (en) * | 2008-07-30 | 2009-05-06 | 迎辉科技股份有限公司 | Optical membrane |
| CN101872028A (en) * | 2004-06-17 | 2010-10-27 | 3M创新有限公司 | The polymerisable compound that contains nano particle |
| CN103304416A (en) * | 2012-03-15 | 2013-09-18 | 比亚迪股份有限公司 | Ultraviolet light curing monomer and preparation method thereof, polymerizable composition, brightness enhancement film and backlight module |
| CN203705673U (en) * | 2013-12-05 | 2014-07-09 | 成都领航科技股份有限公司 | Brightness enhancement film |
| CN203705674U (en) * | 2013-12-05 | 2014-07-09 | 成都领航科技股份有限公司 | Brightness enhancement film |
| CN204314492U (en) * | 2014-12-18 | 2015-05-06 | 东莞市纳利光学材料有限公司 | A kind of diffusion brightening film |
| CN105093367A (en) * | 2015-08-11 | 2015-11-25 | 宁波长阳科技有限公司 | Composite brightness enhancement film and preparation method thereof |
| CN106199790A (en) * | 2016-01-12 | 2016-12-07 | 宁波激智科技股份有限公司 | A kind of complex optics brightness enhancement film |
-
2017
- 2017-07-19 CN CN201710616594.2A patent/CN107179574B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294709A (en) * | 1994-04-20 | 1995-11-10 | Mitsubishi Rayon Co Ltd | Luminance improving transparent sheet |
| JPH09304605A (en) * | 1996-05-15 | 1997-11-28 | Sekisui Chem Co Ltd | Production of optical control sheet |
| CN101872028A (en) * | 2004-06-17 | 2010-10-27 | 3M创新有限公司 | The polymerisable compound that contains nano particle |
| CN101000386A (en) * | 2006-01-13 | 2007-07-18 | 长兴化学工业股份有限公司 | Light-focusing prism |
| US20080310171A1 (en) * | 2006-02-03 | 2008-12-18 | Daicel Chemical Industries, Ltd. | Optical sheet |
| JP2008032824A (en) * | 2006-07-26 | 2008-02-14 | Kyodo Printing Co Ltd | Light diffusing sheet |
| CN201233488Y (en) * | 2008-07-30 | 2009-05-06 | 迎辉科技股份有限公司 | Optical membrane |
| CN103304416A (en) * | 2012-03-15 | 2013-09-18 | 比亚迪股份有限公司 | Ultraviolet light curing monomer and preparation method thereof, polymerizable composition, brightness enhancement film and backlight module |
| CN203705673U (en) * | 2013-12-05 | 2014-07-09 | 成都领航科技股份有限公司 | Brightness enhancement film |
| CN203705674U (en) * | 2013-12-05 | 2014-07-09 | 成都领航科技股份有限公司 | Brightness enhancement film |
| CN204314492U (en) * | 2014-12-18 | 2015-05-06 | 东莞市纳利光学材料有限公司 | A kind of diffusion brightening film |
| CN105093367A (en) * | 2015-08-11 | 2015-11-25 | 宁波长阳科技有限公司 | Composite brightness enhancement film and preparation method thereof |
| CN106199790A (en) * | 2016-01-12 | 2016-12-07 | 宁波激智科技股份有限公司 | A kind of complex optics brightness enhancement film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799553A (en) * | 2018-12-26 | 2019-05-24 | 宁波激智科技股份有限公司 | Preparation method and a kind of lenticule brightness enhancement film of a kind of metal mother and preparation method thereof |
| CN109799553B (en) * | 2018-12-26 | 2024-04-23 | 宁波激智科技股份有限公司 | Preparation method of metal master plate, micro-lens brightness enhancement film and preparation method thereof |
| CN113253371A (en) * | 2021-04-25 | 2021-08-13 | 惠州视维新技术有限公司 | Brightness enhancement film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107179574B (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103345011B (en) | A kind of diffusion barrier being applied to side-light backlight module | |
| TW309595B (en) | ||
| CN101815958B (en) | Optical film and manufacturing method therefor, anti-glare film, polarizing element with optical layer, and display device | |
| CN101903809B (en) | Light control film | |
| CN104035151B (en) | A kind of flexible optical diffusion barrier and preparation method thereof | |
| CN102928901B (en) | Optical diffusion barrier and preparation method thereof, and liquid crystal display device | |
| KR20110018286A (en) | Optical film and manufacturing method therefor, anti-glare film, polarizing element with optical layer, and display device | |
| CN104246543B (en) | Visual angle margining tablet and flat-panel monitor | |
| CN101364039A (en) | Rear-projection display screen with nanometer coatings | |
| CN106773263B (en) | Display panel and its manufacturing method, display device | |
| CN108107496A (en) | A kind of quantum dot film | |
| CN109752784A (en) | Optical film, polarizer and liquid crystal display | |
| TW201816473A (en) | Light diffusion film laminate for reflection-type display device and reflection-type display device using the same | |
| US20190155095A1 (en) | Color film substrate and method for manufacturing the same, and liquid crystal display panel | |
| CN106461820A (en) | Light diffusing sheet, and backlight device comprising said sheet | |
| CN107179574A (en) | A kind of high briliancy wide viewing angle brightness enhancement film | |
| CN106632883B (en) | Preparation method of intelligent display film with switchable visual angle | |
| WO2018072399A1 (en) | Method for preparing intelligent display film having switchable viewing angle and composite film containing display film | |
| CN111045119A (en) | Surface treatment film and polaroid thereof | |
| WO2003100592A1 (en) | Mounting structure of touch panel, and touch panel with supporting plate | |
| CN106707373A (en) | High-luminance and high-stiffness reflecting film and manufacturing method thereof | |
| CN109143711B (en) | Transparent blue-light-proof protective film and preparation method thereof | |
| WO2023124675A1 (en) | Optical assembly and electronic device comprising same | |
| JP2010164713A (en) | Near-infrared ray absorption hard coat film and antireflection film | |
| TW201024811A (en) | Light-diffusing film for back light unit of LCD and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |