CN108107491B - A kind of optical film of anti-moisture absorption - Google Patents
A kind of optical film of anti-moisture absorption Download PDFInfo
- Publication number
- CN108107491B CN108107491B CN201711219912.8A CN201711219912A CN108107491B CN 108107491 B CN108107491 B CN 108107491B CN 201711219912 A CN201711219912 A CN 201711219912A CN 108107491 B CN108107491 B CN 108107491B
- Authority
- CN
- China
- Prior art keywords
- moisture absorption
- layer
- optical film
- particle
- antifog
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to a kind of optical films, in particular to a kind of optical film of anti-moisture absorption.In order to overcome existing optical film in glass light guide plate applied to the water mist sucting wet problem occurred in hot and humid environment, the present invention provides a kind of optical film and preparation method thereof of anti-moisture absorption.The optical film includes substrate layer and anti-moisture absorption layer, and the anti-moisture absorption layer is coated on the side of substrate layer.Due to the presence of anti-moisture absorption particle and antifog glue, so that having biggish gap between optical film (abbreviation diaphragm) and glass light guide plate, the presence of the antifog glue in the diaphragm back side simultaneously, so that diaphragm carries out uniform adsorption to steam in hot and humid environment, and the surface for reducing diaphragm can, it is easy to the quick diffusion of steam, to solve the sucting wet problem between diaphragm and glass light guide plate.
Description
Technical field
The present invention relates to a kind of optical films, in particular to a kind of optical film of anti-moisture absorption.
Background technique
Because having, thin, planar, light-weight, low energy consumption, radiationless, performance is stablized for liquid crystal display in flat panel display
Etc. series of advantages, be the mainstream technology of current display field, be widely used.Backlight is widely used in display technology
Mould group, backlight module are usually made of reflector plate, light guide plate, optical film (diffusion barrier, brightness enhancement film).Existing market is commonly guide-lighting
Plate is mainly polymethyl methacrylate (acrylic), but its low-intensity and the defect of easy yellow often limit answering for material
With this problem of, the appearance very good solution of glass light guide plate, high-intensitive, low cost, non-aging characteristic make it
It is widely used in backlight module.
However, the backlight module of glass light guide plate composition contacts under the environmental condition of high temperature and humidity with glass light guide plate
Optical film there are a technical problem, the one side that optical film is contacted with glass light guide plate have hygroscopicity, that is, be easy absorb air
In moisture content formed water mist cohesion, cause diaphragm and glass light guide plate water mist hygroscopic effect occur, so that backlight module exists
Occur the bad phenomenons such as hickie, shadow, Newton's ring in practical application, cause fault in material, influences material normal use.Hygroscopicity
(Moisture absorption) is one of index of physical property of material, and material is absorbed from gaseous environment usually, is solidifying
The ability for bearing water part is known as hygroscopicity.
Summary of the invention
In order to overcome existing optical film to be applied to the water mist sucting wet problem that occurs in hot and humid environment in glass light guide plate,
The present invention provides a kind of optical film and preparation method thereof of anti-moisture absorption.Due to the presence of anti-moisture absorption particle and antifog glue, so that
There is biggish gap, while the presence of the antifog glue in the diaphragm back side between optical film (abbreviation diaphragm) and glass light guide plate, so that
Diaphragm carries out uniform adsorption to steam in hot and humid environment, and reduces the surface energy of diaphragm, is easy to the quick diffusion of steam,
To solve the sucting wet problem between diaphragm and glass light guide plate.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical solutions.
The present invention provides a kind of optical film of anti-moisture absorption, and the optical film includes substrate layer and anti-moisture absorption layer, the anti-suction
Wet layer is coated on the side of substrate layer.
Further, the side of the substrate layer is at least coated with one layer of anti-moisture absorption layer.
Further, the anti-moisture absorption layer includes anti-moisture absorption particle and antifog hypothallus, and the anti-moisture absorption particle passes through anti-
Mist hypothallus is bonded in the side of substrate layer.
The anti-moisture absorption uniform particle is embedded into antifog hypothallus, and anti-moisture absorption particle is made by the solidification of antifog hypothallus
With being bonded on substrate.
The antifog hypothallus is the function of glue coating with anti-fog function.
Further, the partial size of the anti-moisture absorption particle is 20-45 μm.
Further, the particle size range of the anti-moisture absorption particle is preferably 30 μm.
The partial size of the anti-moisture absorption particle refers to the average grain diameter of anti-moisture absorption particle.
Further, the material of the anti-moisture absorption particle is selected from polymethyl methacrylate (PMMA), polymethylacrylic acid
N-butyl (PBMA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT) (PBT), poly- naphthalenedicarboxylic acid second
Diol ester (PEN), polypropylene (PP), polyethylene (PE), polyamide (PA), polystyrene (PS), silica, titanium dioxide,
One of calcium carbonate or at least two combination.
Further, the material of the anti-moisture absorption particle is preferably PMMA or PBMA.
Further, the material of the anti-moisture absorption particle is most preferably PMMA.
Further, the anti-moisture absorption layer further includes diffusion particle, Jing≤10 μm Li of the diffusion particle.
Further, the diffusion particle of the anti-moisture absorption layer is selected from PMMA.
Further, the antifog hypothallus with a thickness of 8-30 μm.
Further, the thickness of antifog hypothallus is preferably 10-12 μm.
Further, the thickness of antifog hypothallus is most preferably 10 μm.
Further, the anti-moisture absorption particle forms protrusion on the surface of antifog hypothallus, and height of projection h is 10-30 μm.
The height of projection refers to the height for being not embedded into the anti-moisture absorption particle fraction of antifog hypothallus.The height of projection
For average height of projection.
Further, the height of projection h is preferably 12-18 μm.
Further, the height of projection h is most preferably 15 μm.
Further, the anti-moisture absorption particle accounts for the 0.5%-5% of anti-moisture absorption layer weight, and the percentage is weight percent
Than.
Further, the anti-moisture absorption particle accounts for the 1%-2% of anti-moisture absorption layer weight.
Further, the anti-moisture absorption particle accounts for the 1% of anti-moisture absorption layer weight.
Further, antifog hypothallus accounts for the 95%-99.5% of anti-moisture absorption layer weight.
Further, antifog hypothallus accounts for the 98%-99% of anti-moisture absorption layer weight.
Further, antifog hypothallus accounts for the 99% of anti-moisture absorption layer weight.
The anti-moisture absorption layer weight refers to the weight of the anti-moisture absorption layer after solidifying.
Further, the anti-moisture absorption layer is first configured to coating fluid, and the coating fluid includes the anti-moisture absorption of 0.25-2.5%
Particle.
Further, the coating fluid of the anti-moisture absorption layer includes anti-moisture absorption particle, the 42.75%- of 0.25%-2.5%
44.78% resin, the curing agent of 4.75%-4.98%, 1% antistatic agent and 49% solvent.
The resin is also known as antifog glue resin.
Antifog hypothallus is formed after the coating fluid solidification of anti-moisture absorption layer, anti-moisture absorption particle fraction is embedded in antifog hypothallus
In.
Further, the resin in the coating fluid of the anti-moisture absorption layer is selected from polyurethane resin, polycarbonate, not fluorine-containing
One of acrylic resin or at least two combination.
Further, the curing agent in the coating fluid of the anti-moisture absorption layer is polyisocyanates.
Further, the antistatic agent in the coating fluid of the anti-moisture absorption layer is quaternary ammonium salt.
Further, the resin in the coating fluid of the anti-moisture absorption layer is preferably polyurethane resin.
Further, the solvent in the coating fluid of the anti-moisture absorption layer is ethyl acetate and butyl acetate, the volume of the two
Than for 1:1.
Further, the optical film further includes diffusion layer, and the other side of substrate layer is arranged in the diffusion layer.
Further, the diffusion layer includes hypothallus and diffusion particle, and the diffusion particle is bonded in by hypothallus
The other side of substrate layer.
Further, the diffusion layer includes at least the diffusion particle of two kinds of different-grain diameters.
Further, the diffusion layer is first configured to coating fluid, the diffusion layer coating fluid include 25% diffusion particle,
22.5% resin, 2.5% curing agent, 50% solvent, the percentage are weight percentage.
Further, the resin in the diffusion layer coating fluid is selected from acrylic resin, polyurethane resin, propylene polyalcohol
One of resinoid or at least two combination.
Further, the resin in the diffusion layer coating fluid is preferably acrylic resin.
Further, the diffusion particle in the diffusion layer coating fluid is selected from polymethyl methacrylate (PMMA), poly- first
Base n-butyl acrylate (PBMA), polyethylene terephthalate (PET), polyamide (PA), polystyrene (PS), poly- carbonic acid
One of rouge (PC), polyurethane (PU) or at least two combination.
Further, the diffusion particle in the diffusion layer coating fluid is preferably PMMA.
Further, the curing agent in the diffusion layer coating fluid is polyisocyanates.
Further, the solvent in the diffusion layer coating fluid is ethyl acetate and butyl acetate, and the volume ratio of the two is
1:1。
Further, the optical film further includes the prism layer or microlens layer or compound that the substrate layer other side is arranged in
Layer.
Further, the prism layer includes prism structure, and the prism structure is selected from straight prism structure, shake prism knot
One of structure or combination.
Further, the composite layer is diffusion layer, prism layer, at least two superimposion in microlens layer.
Further, prism layer, microlens layer material be UV glue, the UV glue includes resin, resin choosing
From acrylic resin.
The present invention provides a kind of preparation method of the optical film of anti-moisture absorption, and described method includes following steps:
(1) coating fluid of anti-moisture absorption layer is uniformly mixed according to a ratio；
(2) coating fluid that step (1) obtains is coated on to the other side of substrate layer by anilox roll；
(3) solidify and aging: the optical film that step (2) obtains being solidified into winding in an oven, is placed on aging in drying chamber.
Further, cured temperature is 60 DEG C -120 DEG C in step (3), curing time 20s-1min；The temperature of aging
It is 60 DEG C, ageing time 12h-48h.
Further, the curing time of anti-moisture absorption layer is preferably 1min in the step (3), and ageing time is preferably for 24 hours.
The present invention also provides the preparation methods of the optical film of another anti-moisture absorption, and described method includes following steps:
(1) diffusion layer or prism layer or microlens layer or composite layer are prepared in the side of substrate layer, obtains semi-finished product；
(2) coating fluid of anti-moisture absorption layer is uniformly mixed according to a ratio；
(3) coating fluid that step (2) obtains is coated on to the other side of substrate layer by anilox roll；
(4) solidify and aging: winding, put after the optical film that step (3) obtains is solidified in an oven
Set the aging in drying chamber.
Further, cured temperature is 60 DEG C -120 DEG C in step (4), curing time 20s-1min；The temperature of aging
It is 60 DEG C, ageing time 12h-48h.
Further, the curing time of anti-moisture absorption layer is preferably 1min in the step (4), and ageing time is preferably for 24 hours.
Further, in step (1) diffusion layer the preparation method comprises the following steps: diffusion layer coating fluid is uniformly mixed according to a ratio, lead to
The side that the coating fluid of diffusion layer is coated on substrate layer by anilox roll is crossed, the optical film after coating is placed on 60 DEG C -120 DEG C of height
Warm curing oven, curing time 20s-1min, then rolling device winding again, is placed in 60 DEG C of drying chamber agings after the completion of winding
- 72h for 24 hours completes semi-finished product preparation.
Further, the preparation method of microprism layer is microreplicated technology in step (1): UV glue is spread evenly across base
Then material side imprints a copper rod with prism microstructure on this UV glue, by ultraviolet light solidification, obtain rib
Mirror layer.
Further, the preparation method of microlens layer is microreplicated technology in step (1): UV glue is spread evenly across base
Then material side imprints a copper rod with lenticule micro-structure on this UV glue, by ultraviolet light solidification, obtain
Microlens layer.
Further, in step (1) composite layer the preparation method comprises the following steps: by above-mentioned diffusion layer, prism layer, microlens layer
At least two, be bonded together to form composite layer by acrylic resin.
Further, the optical film of the anti-moisture absorption is applied to glass light guide plate.
Further, the anti-moisture absorption layer includes anti-moisture absorption particle and antifog hypothallus, antifog hypothallus with a thickness of 10-
12 μm, the particle size range of anti-moisture absorption particle is 30 μm, and height of projection h is 12-18 μm；The coating fluid of the anti-moisture absorption layer includes
The anti-moisture absorption particle of 0.5%-1%, the resin of 44.10%-44.55%, the curing agent of 4.90%-4.95%, 1% it is antistatic
Agent and 49% solvent.Above-mentioned technical proposal includes embodiment 2-3 and embodiment 7-9.
Further, the anti-moisture absorption layer includes anti-moisture absorption particle and antifog hypothallus, antifog hypothallus with a thickness of 12 μ
M, the particle size range of anti-moisture absorption particle are 30 μm, and height of projection h is 15 μm；The coating fluid of the anti-moisture absorption layer includes 0.5%
Anti- moisture absorption particle, 44.55% resin, 4.95% curing agent, 1% antistatic agent and 49% solvent.Above-mentioned technical side
Case includes embodiment 3.
The present invention is due to the intervention of anti-moisture absorption particle, while anti-moisture absorption uniform particle is embedded in antifog hypothallus, and
Antifog substrate layer surface forms protrusion；When backlight module is placed in hot and humid environment, the antifog hypothallus at the diaphragm back side
Facilitate the evenly dispersed of steam, while anti-moisture absorption particle increases diaphragm and glass in the protrusion that antifog substrate layer surface is formed
The contact gap of light guide plate reduces steam and assembles between diaphragm and glass light guide plate, reach to accelerate the circulation and diffusion of steam
To anti-hygroscopic effect.
The preparation method of the optical film of anti-moisture absorption provided by the invention is simple, easily operated, anti-moisture absorption provided by the invention
Optical film can be used for glass light guide plate, can be used under hot and humid environment, due to the optical film have it is good anti-
Hygroscopicity, the optical film are applied in hot and humid environment be not in water mist sucting wet problem in glass light guide plate.
Detailed description of the invention
Fig. 1 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 1 of the present invention provides；
Fig. 2 is the partial enlarged view of anti-moisture absorption layer in embodiment 1；
Fig. 3 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 2 of the present invention provides；
Fig. 4 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 3 of the present invention provides；
Fig. 5 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 4 of the present invention provides；
Fig. 6 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 5 of the present invention provides；
Fig. 7 is the anti-moisture absorption optical film the schematic diagram of the section structure that embodiment 6 of the present invention provides.
Wherein: 5 be glass light guide plate.
Specific embodiment
Technical solution provided by the invention is further illustrated with embodiment with reference to the accompanying drawings of the specification, but is not intended as pair
Restriction of the invention.
The present invention provides a kind of preparation method of the optical film of anti-moisture absorption, and described method includes following steps:
(1) coating fluid of anti-moisture absorption layer is uniformly mixed according to a ratio；
(2) coating fluid that step (1) obtains is coated on to the other side of substrate layer by anilox roll；
(3) solidify and aging: the optical film that step (2) obtains being solidified into winding in an oven, is placed on aging in drying chamber.
Further, cured temperature is 60 DEG C -120 DEG C in step (3), curing time 20s-1min；The temperature of aging
It is 60 DEG C, ageing time 12h-48h.
Further, the curing time of anti-moisture absorption layer is preferably 1min in the step (3), and ageing time is preferably for 24 hours.
The present invention also provides the preparation methods of the optical film of another anti-moisture absorption, and described method includes following steps:
(1) diffusion layer or prism layer or microlens layer or composite layer are prepared in the side of substrate layer, obtains semi-finished product；
(2) coating fluid of anti-moisture absorption layer is uniformly mixed according to a ratio；
(3) coating fluid that step (2) obtains is coated on to the other side of substrate layer by anilox roll；
(4) solidify and aging: being wound after the optical film that step (3) obtains is solidified in an oven, is placed in drying chamber old
Change.
Further, cured temperature is 60 DEG C -120 DEG C in step (4), curing time 20s-1min；The temperature of aging
It is 60 DEG C, ageing time 12h-48h.
Further, the curing time of anti-moisture absorption layer is preferably 1min in the step (4), and ageing time is preferably for 24 hours.
Further, in step (1) diffusion layer the preparation method comprises the following steps: diffusion layer coating fluid is uniformly mixed according to a ratio, lead to
The side that the coating fluid of diffusion layer is coated on substrate layer by anilox roll is crossed, the optical film after coating is placed on 60 DEG C -120 DEG C of height
Warm curing oven, curing time 20s-1min, then rolling device winding again, is placed in 60 DEG C of drying chamber agings after the completion of winding
- 72h for 24 hours completes semi-finished product preparation.
Further, the preparation method of microprism layer is microreplicated technology in step (1): UV glue is spread evenly across base
Then material side imprints a copper rod with prism microstructure on this UV glue, by ultraviolet light solidification, obtain rib
Mirror layer.
Further, the preparation method of microlens layer is microreplicated technology in step (1): UV glue is spread evenly across base
Then material side imprints a copper rod with lenticule micro-structure on this UV glue, by ultraviolet light solidification, obtain
Microlens layer.
Further, in step (1) composite layer the preparation method comprises the following steps: by above-mentioned diffusion layer, prism layer, microlens layer
At least two, be bonded together to form composite layer by acrylic resin.
According to the optical film of the anti-moisture absorption of the method provided by the present invention preparation, correlated performance test method is as follows:
Anti- moisture absorption test: being cut into 27 cun for the optical film of anti-moisture absorption and be assembled in the backlight module of glass light guide plate,
Then the backlight module that the assembling finishes is placed in 200h in the environment of 65 DEG C of temperature, humidity 95%, (refer to high temperature to the survey of its ring
High humidity) after light the backlight, hickie, shadow phenomenon have been seen whether, if any hickie, shadow, then it represents that its resistance to water soak
It is poor；Such as without hickie, shadow, then it represents that its resistance to water soak is preferable.
The thickness of antifog hypothallus: taking diaphragm different zones to measure its antifog hypothallus thickness using film thickness instrument, and
Multiple numerical value are measured, taking its average value is antifog hypothallus thickness.
Height of projection test: height of projection is measured using 3D optical microscopy.
Regain w% test: ring is surveyed after the backlight module finished takes out and is weighed after being stored at room temperature 2h with precision balance
Its weight is denoted as G1, then the backlight module is placed in 60 DEG C of baking ovens and toasts 6h, is measured after baking with precision balance
Its weight is denoted as G2, regain w% calculation formula are as follows: w%=(G1- G2)/G2× 100%, w% numerical value are smaller, show it
Anti-moisture absorption property is more excellent.The test of its regain at least takes 3 groups of data, and taking its average value is final resurgence rate score.Regain is got over
Greatly, resistance to water soak is poorer.
Adhesive force: its anti-moisture absorption layer adhesive force is tested using cross-cut tester.
Hardness: its anti-moisture absorption layer hardness of measuring pencil durometer is used.
Embodiment 1
The present invention provides a kind of optical film of anti-moisture absorption, and the optical film includes substrate layer and anti-moisture absorption layer, the anti-suction
Wet layer is coated on the side of substrate layer.
As depicted in figs. 1 and 2, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 2, and anti-moisture absorption layer 2 includes
Antifog hypothallus 3 and the anti-moisture absorption particle 4 for being partially embedded into antifog hypothallus 3, the partial size of anti-moisture absorption particle 4 is 20 μm, antifog
Hypothallus 3 with a thickness of 8 μm, height of projection h is 12 μm.Anti- moisture absorption particle 4 accounts for anti-moisture absorption layer 2 (the anti-moisture absorption layer after solidification) weight
The 1% of amount, antifog hypothallus 3 accounts for the 99% of anti-moisture absorption layer 2 (the anti-moisture absorption layer after solidification) weight.Table 1 is anti-suction in embodiment 1
The proportion of the coating fluid of wet layer.
The proportion of the coating fluid of anti-moisture absorption layer in 1 embodiment 1 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 30s, aging are
60 DEG C, ageing time 12h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 2
As shown in figure 3, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 2, diffusion layer 6；Anti- 2 He of moisture absorption layer
Diffusion layer 6 is separately positioned on the two sides of substrate layer 1；Anti- moisture absorption layer 2 includes antifog hypothallus 3 and is partially embedded into antifog hypothallus
3 anti-moisture absorption particle 4, the partial size of anti-moisture absorption particle 4 are 30 μm, antifog hypothallus 3 with a thickness of 10 μm, height of projection h is 15 μ
M, anti-moisture absorption particle 4 account for the 2% of anti-2 weight of moisture absorption layer, and antifog hypothallus 3 accounts for the 98% of anti-2 weight of moisture absorption layer；Diffusion layer 6 wraps
Hypothallus 7, diffusion particle 8 and diffusion particle 9 are included, the partial size of diffusion particle 8 is greater than the partial size of diffusion particle 9.Table 2 and table 3 divide
Not Wei in embodiment 2 coating fluid of diffusion layer proportion, the proportion of the coating fluid of anti-moisture absorption layer.
The proportion of the coating fluid of diffusion layer in 2 embodiment 2 of table
The proportion of the coating fluid of anti-moisture absorption layer in 3 embodiment 2 of table
Solvent in the coating fluid of diffusion layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of diffusion layer: cured temperature is 60 DEG C -120 DEG C, curing time 30s, and the temperature of aging is 60
DEG C, ageing time 48h.
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C, curing time 1min, and the temperature of aging is 60 DEG C,
Ageing time is for 24 hours.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 3
As shown in figure 4, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 2, prism layer 10；Anti- moisture absorption layer 2
The two sides of substrate layer 1 are separately positioned on prism layer 10；Anti- moisture absorption layer 2 includes antifog hypothallus 3 and is partially embedded into antifog base
The anti-moisture absorption particle 4 of matter layer 3, the partial size of anti-moisture absorption particle 4 are 30 μm, antifog hypothallus 3 with a thickness of 12 μm, height of projection h
It is 15 μm, anti-moisture absorption particle 4 accounts for the 1% of anti-2 weight of moisture absorption layer, and antifog hypothallus 3 accounts for the 99% of anti-2 weight of moisture absorption layer；It is described
Prism structure in prism layer 10 is straight prism structure.Table 4 is the proportion of the coating fluid of anti-moisture absorption layer in embodiment 3.
The proportion of the coating fluid of anti-moisture absorption layer in 4 embodiment 3 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C, curing time 1min, and the temperature of aging is 60 DEG C,
Ageing time is for 24 hours.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 4
As shown in figure 5, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 2, microlens layer 11；Anti- moisture absorption layer
2 and microlens layer 11 be separately positioned on the two sides of substrate layer 1；Anti- moisture absorption layer 2 includes antifog hypothallus 3 and is partially embedded into antifog
The anti-moisture absorption particle 4 of hypothallus 3, the partial size of anti-moisture absorption particle 4 are 20 μm, antifog hypothallus 3 with a thickness of 8 μm, height of projection h
It is 10 μm, anti-moisture absorption particle 4 accounts for the 0.5% of anti-2 weight of moisture absorption layer, and antifog hypothallus 3 accounts for the 99.5% of anti-2 weight of moisture absorption layer.
Table 5 is the proportion of the coating fluid of anti-moisture absorption layer in embodiment 4
The proportion of the coating fluid of anti-moisture absorption layer in 5 embodiment 4 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 20s, aging are
60 DEG C, ageing time 12h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 5
As shown in fig. 6, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 2, prism layer 12；Anti- moisture absorption layer 2
The two sides of substrate layer 1 are separately positioned on prism layer 12；Anti- moisture absorption layer 2 includes antifog hypothallus 3 and is partially embedded into antifog base
The anti-moisture absorption particle 4 of matter layer 3, the partial size of anti-moisture absorption particle 4 are 45 μm or so, antifog hypothallus 3 with a thickness of 30 μm, protrusion is high
Spending h is 30 μm.Anti- moisture absorption particle 4 accounts for the 5% of anti-2 weight of moisture absorption layer, and antifog hypothallus 3 accounts for the 95% of anti-2 weight of moisture absorption layer；Institute
Stating the prism structure in prism layer 12 is straight prism structure, and the apex angle of prism structure is fillet.Table 6 is anti-moisture absorption in embodiment 5
The proportion of the coating fluid of layer.
Table 6 is the proportion of the coating fluid of anti-moisture absorption layer in embodiment 5
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 1min, aging are
60 DEG C, ageing time 48h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 6
As shown in fig. 7, the optical film of the anti-moisture absorption includes substrate layer 1, anti-moisture absorption layer 13, anti-moisture absorption layer 13 includes antifog
Hypothallus 3 and the anti-moisture absorption particle 4 and diffusion particle 14 (partial size≤10 μm) for being partially embedded into antifog hypothallus 3, anti-moisture absorption grain
The partial size of son 4 is 35 μm, antifog hypothallus 3 with a thickness of 15 μm, height of projection h is 20 μm.Anti- moisture absorption particle 4 accounts for anti-moisture absorption
The 2.5% of 13 weight of layer, diffusion particle 14 accounts for the 0.5% of anti-13 weight of moisture absorption layer, and antifog hypothallus 3 accounts for anti-13 weight of moisture absorption layer
97%.Table 7 is the proportion of the coating fluid of anti-moisture absorption layer in embodiment 6.
The proportion of the coating fluid of anti-moisture absorption layer in 7 embodiment 6 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 40s, aging are
60 DEG C, ageing time 36h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 7
Such as the optical film for the anti-moisture absorption that embodiment 2 provides, the optical film includes substrate layer 1, anti-moisture absorption layer 2, anti-moisture absorption
Layer 2 includes antifog hypothallus 3 and the anti-moisture absorption particle 4 for being partially embedded into antifog hypothallus 3, and the partial size of anti-moisture absorption particle 4 is 30 μ
M, antifog hypothallus with a thickness of 10 μm, height of projection h is 15 μm.Anti- moisture absorption particle 4 accounts for anti-2 (the anti-suction after solidification of moisture absorption layer
Wet layer) weight 2%, antifog hypothallus 3 accounts for the 98% of anti-moisture absorption layer 2 (the anti-moisture absorption layer after solidification) weight.Table 8 is embodiment
The proportion of the coating fluid of anti-moisture absorption layer in 7.
The proportion of the coating fluid of anti-moisture absorption layer in 8 embodiment 7 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 30s, aging are
60 DEG C, ageing time 48h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 8
Such as the optical film for the anti-moisture absorption that embodiment 2 provides, the optical film includes substrate layer 1, anti-moisture absorption layer 2, anti-moisture absorption
Layer 2 includes antifog hypothallus 3 and the anti-moisture absorption particle 4 for being partially embedded into antifog hypothallus 3, and the partial size of anti-moisture absorption particle 4 is 30 μ
M, antifog hypothallus with a thickness of 10 μm, height of projection h is 12 μm.Anti- moisture absorption particle 4 accounts for anti-2 (the anti-suction after solidification of moisture absorption layer
Wet layer) weight 2%, antifog hypothallus 3 accounts for the 98% of anti-moisture absorption layer 2 (the anti-moisture absorption layer after solidification) weight.Table 9 is embodiment
The proportion of the coating fluid of anti-moisture absorption layer in 8.
The proportion of the coating fluid of anti-moisture absorption layer in 9 embodiment 8 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 30s, aging are
60 DEG C, ageing time 48h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Embodiment 9
Such as the optical film for the anti-moisture absorption that embodiment 2 provides, the optical film includes substrate layer 1, anti-moisture absorption layer 2, anti-moisture absorption
Layer 2 includes antifog hypothallus 3 and the anti-moisture absorption particle 4 for being partially embedded into antifog hypothallus 3, and the partial size of anti-moisture absorption particle 4 is 30 μ
M, antifog hypothallus with a thickness of 10 μm, height of projection h is 18 μm.Anti- moisture absorption particle 4 accounts for anti-2 (the anti-suction after solidification of moisture absorption layer
Wet layer) weight 2%, antifog hypothallus 3 accounts for the 98% of anti-moisture absorption layer 2 (the anti-moisture absorption layer after solidification) weight.Table 10 is to implement
The proportion of the coating fluid of anti-moisture absorption layer in example 9.
The proportion of the coating fluid of anti-moisture absorption layer in 10 embodiment 9 of table
Solvent in the coating fluid of anti-moisture absorption layer is ethyl acetate and butyl acetate, and the volume ratio of the two is 1:1.
In the preparation method of anti-moisture absorption layer: cured temperature is 60 DEG C -120 DEG C, and the temperature of curing time 30s, aging are
60 DEG C, ageing time 48h.
The performance test results of the optical film of anti-moisture absorption obtained are shown in Table 11.
Comparative example 1
Ordinary optical film V2102.
The performance test results for the optical film that the optical film and comparative example 1 for the anti-moisture absorption that 11 embodiment 1-9 of table is provided provide
As can be seen from Table 11, the optical film of anti-moisture absorption provided by the invention has excellent anti-moisture absorption property, can
Well applied to the glass light guide plate in backlight module.Wherein, the anti-moisture absorption that 2-3 of the embodiment of the present invention, embodiment 7-9 are provided
Optical film have preferable comprehensive performance, no hickie, shadow phenomenon, regain are at most 0.41%, adhesive force 5B, hardness
At least H.Particularly, the comprehensive performance of the optical film for the anti-moisture absorption that embodiment 3 provides is more preferable, no hickie, shadow phenomenon, resurgence
Rate is 0.40%, adhesive force 5B, hardness 2H.
The scheme of technology provided by the present invention is described in detail above, meanwhile, the tool in above-described embodiment
Body example is expounded the principle of the invention implemented and embodiment, and the explanation of above embodiments is only applicable to help to understand
The principle of the present invention.To those skilled in the art, example example according to the present invention, the meeting in specific embodiment and application range
Place is changed, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (5)
1. a kind of optical film of anti-moisture absorption, which is characterized in that the optical film includes substrate layer and anti-moisture absorption layer, the anti-moisture absorption
Layer is coated on the side of substrate layer；The anti-moisture absorption layer includes anti-moisture absorption particle and antifog hypothallus, and the anti-moisture absorption particle is logical
Cross the side that antifog hypothallus is bonded in substrate layer；Antifog hypothallus with a thickness of 10-12 μm；The anti-moisture absorption particle is antifog
The surface of hypothallus forms protrusion, and the height of projection h is 12-18 μm；The anti-moisture absorption particle accounts for anti-moisture absorption layer weight
1%-2%；The material of the anti-moisture absorption particle is PMMA or PBMA；During the preparation process, the anti-moisture absorption layer is first configured to apply
Cloth liquid, the resin in the coating fluid of the anti-moisture absorption layer are polyurethane resin.
2. the optical film of anti-moisture absorption according to claim 1, which is characterized in that the coating fluid includes 0.25-2.5%'s
Anti- moisture absorption particle.
3. the optical film of anti-moisture absorption according to claim 1, which is characterized in that the optical film further includes diffusion layer, institute
State the other side that substrate layer is arranged in diffusion layer.
4. the optical film of anti-moisture absorption according to claim 3, which is characterized in that the diffusion layer includes hypothallus and diffusion
Particle, the diffusion particle are bonded in the other side of substrate layer by hypothallus.
5. the optical film of anti-moisture absorption according to claim 1, the optical film further includes that the substrate layer other side is arranged in
Prism layer or microlens layer or composite layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219912.8A CN108107491B (en) | 2017-11-29 | 2017-11-29 | A kind of optical film of anti-moisture absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219912.8A CN108107491B (en) | 2017-11-29 | 2017-11-29 | A kind of optical film of anti-moisture absorption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108107491A CN108107491A (en) | 2018-06-01 |
| CN108107491B true CN108107491B (en) | 2019-10-18 |
Family
ID=62207706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711219912.8A Active CN108107491B (en) | 2017-11-29 | 2017-11-29 | A kind of optical film of anti-moisture absorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107491B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323853A (en) * | 2018-12-14 | 2020-06-23 | 深圳Tcl新技术有限公司 | Composite optical film and backlight module |
| CN111323852A (en) * | 2018-12-14 | 2020-06-23 | 深圳Tcl新技术有限公司 | Composite optical film and backlight module |
| CN110298825B (en) * | 2019-06-17 | 2021-07-02 | 杭州舜浩科技有限公司 | Method for detecting black spot defect of light guide plate |
| CN111474624A (en) * | 2020-05-27 | 2020-07-31 | 京东方科技集团股份有限公司 | Backlight structure and L CD display module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240115A (en) * | 2016-07-27 | 2016-12-21 | 惠州市摩码菱丽光电材料有限公司 | A kind of long-acting optics antifog film and preparation method thereof |
| CN106597584A (en) * | 2016-12-15 | 2017-04-26 | 张家港康得新光电材料有限公司 | Anti-absorption diffusion barrier |
-
2017
- 2017-11-29 CN CN201711219912.8A patent/CN108107491B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240115A (en) * | 2016-07-27 | 2016-12-21 | 惠州市摩码菱丽光电材料有限公司 | A kind of long-acting optics antifog film and preparation method thereof |
| CN106597584A (en) * | 2016-12-15 | 2017-04-26 | 张家港康得新光电材料有限公司 | Anti-absorption diffusion barrier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108107491A (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108107491B (en) | A kind of optical film of anti-moisture absorption | |
| CN1924624B (en) | Substrate film for optical sheet, optical sheet and backlight unit | |
| CN103298897B (en) | Active energy ray curable adhesive composite, Polarizer, optical thin film and image display device | |
| CN102736144B (en) | Light diffusion sheet, optical unit, backlight unit and liquid crystal display device | |
| TWI535806B (en) | A light diffusing adhesive composition, a light diffusion adhesive sheet, a polarizing adhesive sheet, a polarizing adhesive composition, a light diffusing adhesive composition | |
| CN100420963C (en) | Light diffusion sheet and backlight unit using that | |
| CN101097348A (en) | Optical unit and liquid crystal display module | |
| CN104884258A (en) | Method for producing optical film, optical film and image display device | |
| TWI513792B (en) | A transparent double-sided adhesive sheet and a video display device using the same | |
| CN101815958A (en) | Optical film and manufacturing method therefor, anti-glare film, polarizing element with optical layer, and display device | |
| CN103975258A (en) | Anti-glare sheet for image display device | |
| TW200827764A (en) | Scratch-resistant thin film | |
| CN101122642A (en) | Substrate film for optical sheets, optical sheet, and liquid crystal display module | |
| CN105301826A (en) | Brightness enhancement film applied in large-size display | |
| TWI689572B (en) | Optical laminate and liquid crystal display | |
| CN107290922A (en) | Attaching type projection screen | |
| JP2012133079A (en) | Hard coat film, production method of the same, antireflection film, polarizing plate and image display device | |
| JP2011154352A5 (en) | ||
| CN108431650A (en) | The manufacturing method of optical film | |
| TWI600930B (en) | Polarized plate for curved image display panel | |
| KR20070087750A (en) | Antistatic light diffusion film | |
| CN106118442A (en) | A kind of blooming cold coating and application thereof | |
| US20090202838A1 (en) | Self-assembling optical film and a method of manufacturing the same | |
| CN106680915A (en) | Composite brightening film applied to backlight module and backlight module | |
| TWI522403B (en) | Photopolymerizable composition and optical sheet |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Bingjun Inventor after: Li Gang Inventor after: Wen Yongfei Inventor after: Liu Zhipeng Inventor after: Tang Haijiang Inventor after: Zhang Yan Inventor before: Li Gang Inventor before: Wen Yongfei Inventor before: Liu Zhipeng Inventor before: Li Bingjun Inventor before: Tang Haijiang Inventor before: Zhang Yan |