CN106862000B - The preparation method of coating apparatus and preparation method thereof and complex optical film - Google Patents
The preparation method of coating apparatus and preparation method thereof and complex optical film Download PDFInfo
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- CN106862000B CN106862000B CN201611233434.1A CN201611233434A CN106862000B CN 106862000 B CN106862000 B CN 106862000B CN 201611233434 A CN201611233434 A CN 201611233434A CN 106862000 B CN106862000 B CN 106862000B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
Abstract
The present invention provides a kind of coating apparatus, the preparation method of coating apparatus preparation method and complex optical film.Coating apparatus, including basal layer and soakage layer, soakage layer is set to the surface of basal layer, and soakage layer is for infiltrating coating material and coating material being precipitated in stress.Coating apparatus preparation method includes: offer basal layer, forms the soakage layer of more sky materials in basic layer surface.The preparation method of complex optical film includes: to provide the first optical film, and the first optical film has structure sheaf；Make the first optical film by coating apparatus, coating apparatus Coating material on the structure sheaf of the first optical film；First optical film and the second optical film are bonded by coating material to form complex optical film.The loss of structure layer function can be reduced, and then improve complex optical film entirety optical effect in optic film structure layer part of the surface Coating material using coating apparatus of the invention.
Description
Technical field
The present invention relates to optics technical field of membrane, in particular to the preparation of a kind of coating apparatus and complex optical film
Method.
Background technique
With the continuous development of display technology, liquid crystal display (LCD) be increasingly being applied to such as mobile phone, from
Personal digital assistant (PDA) arrives the handheld computer device and biggish equipment electricity such as on knee of electronic game machine range
In brain, LCD monitor and video screen.Liquid crystal display panel itself does not shine, therefore is LCD as the backlight module in brightness source
The significant components of display function, wherein brightness enhancement film is extremely important for improving LCD brightness, and brightness enhancement film realizes blast
The core of function is exactly prism structure, and with the demand that market is thinned display device, more and more producers attempt to increase
Bright film integrates with other function film, to reduce thickness.
CN1791829A discloses a kind of membrane structure in existing technology, and the scheme used is under topmost thin film direction
The prismatic flank of lower film is pierced into glue-line by one layer of the surface painting portion glue of layer film, to realize the bonding of the two.It is this
From the effect of the shortcomings that way, is that it sacrifices the tip of the prismatic flank of lower film, and exactly this part is to brightness enhancement film
Important function is arrived.Prior art KR20140089761A then directly melts at prism tip to be bonded with upper layer film.These do
Method realizes the fitting of film layer to sacrifice prism tip, greatly reduces brightening effect.
Summary of the invention
The main purpose of the present invention is to provide a kind of coating apparatus, the preparation method of coating apparatus and complex optical films
Preparation method.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of coating apparatus, including basal layer and
Soakage layer, the soakage layer are set to the surface of the basal layer, and the soakage layer is for infiltrating coating material and in stress
Coating material is precipitated.
Further, the basal layer is roller or plate, and the roller is rubber roller or metallic roll, and the plate is offset plate or gold
Belong to plate.
Further, the soakage layer is porous material.
According to another aspect of the present invention, the preparation method of coating apparatus is provided, comprising the following steps:
Step 1, a basal layer is provided；
Step 2, a porous material is provided, the sheet material for being cut to required thickness obtains soakage layer；
Step 3, soakage layer described in step 2 is set on the basal layer of step 1.
According to another aspect of the present invention, the preparation method of coating apparatus is provided, comprising the following steps:
Step a prepares micron order foamed material stoste；
Step b provides a basal layer；
Step c, by micron order foamed material stoste spraying/blade coating to basic layer surface obtained by step a；
Step d, curing or standing, the foaming of micron order foamed material stoste become the soakage layer of porous material, are applied
Cloth equipment.
According to another aspect of the present invention, the preparation method of complex optical film is provided, comprising the following steps:
Step S1 provides the first optical film, and the first optical film thickness is T, and first optical film has a structure sheaf, knot
Structure layer height is H；
The soakage layer of coating apparatus any in claim 1-5 is infiltrated coating material by step S2；
Step S3 makes the first optical film by coating apparatus described in step S2, and the coating apparatus is described first
The textured layer portion surface Coating material of optical film；
Step S4 provides the second optical film, ties coating material of second optical film with the first optical film through step S3 mutually
Conjunction forms complex optical film.
Further, the step S3 further includes a supporting element, and the supporting element is with coating apparatus surface spacing
Δ h, the separation delta h is less than the thickness T, and the difference of thickness T and separation delta h is less than height H.
Further, structure sheaf described in step S1 is multiple prism structures, at least one the multiple prism structure tool
There are the first ridge and the second ridge, the first ridge and the second ridge form a groove, trench depth D, and the separation delta h is less than
The thickness T, and the difference of thickness T and separation delta h is more than or equal to height D.
Above-mentioned coating apparatus provided by the invention can pass through the thickness of control soakage layer because its surface is provided with soakage layer
Degree accurately to control the thickness of function of glue coating, realizes even spread；It is especially suitable complex optical film application in, such as POP
(prism on prism), DOP (diffuser on prism), MOP (microlens on prism) or more layer it is compound
Optical film such as POPOP.In above-mentioned complex optical film, upper layer film and lower membrane need to be attached, due to the upper table of lower membrane
Face is equipped with micro-structure, can not carry out gluing, prior art way is all the lower surface coated glue layer in upper layer optical film, then
It is bonded with lower membrane, so, the micro-structure of lower membrane can be then inserted into glue-line, so then have lost the portion of micro-structure
Divide function.And use coating apparatus of the invention can be to avoid above-mentioned feelings in the case of rationally designing to optical film
Shape makes upper layer film carry out the function of being bonded and do not lose lower membrane micro-structure with lower membrane.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 a-1b shows the structural schematic diagram of the coating apparatus in embodiment according to the present invention；
Fig. 2 shows schematic diagrames when coating apparatus is coated according to the present invention；
Fig. 3 shows the schematic diagram of thin portion when coating apparatus is coated according to the present invention；
Fig. 4 show the first optical film during complex optics membrane preparation method according to the present invention it is coated after signal
Figure；
Fig. 5 shows the production procedure schematic diagram of complex optical film in embodiment according to the present invention；And
Fig. 6 shows the signal when applying coating material of complex optical film in another embodiment according to the present invention
Figure；
Wherein, the above drawings include the following reference numerals:
100/100 ' coating apparatus, 110/110 ' basal layer, 120/120 ' soakage layer, 10 first optical films, 11 structure sheafs,
The first ridge of 11-1, the second ridge of 11-2,12 grooves, 13 coating materials, 101/101 ' supporting element, 20 second optical films, 200 knots
Structure roller, H structure layer height, the first optical film thickness of T, D trench depth, W groove width, Δ h supporting element and coating apparatus surface
Spacing.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As previously described, complex optical film in the prior art, to realize the fitting between film, or by brightness enhancement film
The spine of prism is inserted into glue-line, or ridges shape is changed to bond with other optical films, sacrifices prism in a word
Spine that is, certain blast effect is sacrificed to achieve the purpose that fitting.
A kind of coating apparatus and complex optical film provided by the invention, the design of the structure sheaf by changing optical film, can
Easily to carry out the arrangement of adhesive phase using coating apparatus of the invention, make it when being bonded with other optical films,
Sacrifice ridges are avoided, to reach preferable brightening effect.
Fig. 1 a is please referred to, the general embodiments of coating apparatus of the present invention are shown, diagram coating apparatus 100 includes basal layer
110 and soakage layer 120, soakage layer 120 is arranged on 110 surface of basal layer.Basal layer 110 is roll structure, and metal material can be used
Matter or rubber material；Soakage layer 120 is porous material, the sheet material that can be obtained for laser cutting porosity former material, and is passed through
Adhesive is attached to the surface of basal layer 110, also can be by spraying, being scratched in the surface of basal layer 110, after processing by raw material
Directly porous material is formed on 110 surface of basal layer；The controllable aperture for being formed by porous material of allotment raw material components
Size, to obtain required aperture, in addition the techniques such as laser cutting or spraying/blade coating also can be very good control and form leaching
Moisten the thickness of layer 120.The roll structure coating apparatus 100 processes optical film, is especially applicable for continuous production.
Fig. 1 b is please referred to, another embodiment of coating apparatus of the present invention is shown, diagram coating apparatus 100 ' includes basis
Layer 110 ' and soakage layer 120 ', soakage layer 120 ' are arranged on 110 ' surface of basal layer.With the coating apparatus 100 in Fig. 1 a embodiment
Unlike, basal layer 110 ' is hardened structure in the present embodiment, and is suitable for cutting into the production of the complex optical film of sheet material.It removes
Except this, coating apparatus 100 ' is similar to other features of coating apparatus 100, and details are not described herein.
Coating apparatus of the invention can be made by following methods.Preparation micron order foamed material stoste, stoste material can be
The materials such as acrylic resin (PP), polyurethane resin (PU), polyvinyl resin (PE), ethylene propylene diene rubber (EPDM), silicon rubber,
After micron order foamed material stoste is made, can a point two methods remove to prepare coating apparatus, a kind of method is: by micron order foaming material
Expect that stoste cures and porous material is made, is cut by laser or other modes are cut into the sheet material of required thickness, by the sheet material
It is arranged on basal layer, obtains the coating apparatus with soakage layer；Another method is: micron order foamed material stoste is sprayed
Then painting/blade coating allows micron order foamed material stoste to be foamed into porosity material in the curing of basic layer surface to basic layer surface
The soakage layer of material.Baking oven curing can be used according to the property of micron order foamed material stoste or stand a variety of curing sides such as curing
Formula.The aperture of porous material after above-mentioned micron order foamed material stoste foaming is 1 micron -3 microns, and aperture opening ratio control exists
50%-95%, preferably 80%-95%.
Fig. 2 and Fig. 3 are please referred to, show and coating is coated to the first optical film 10 using coating apparatus 100 of the present invention
The schematic diagram and partial, detailed view of the general embodiments of material.First optical film 10 shown in the present embodiment is prism film, tool
There is structure sheaf 11, structure sheaf 11 is multiple prisms, and prism is two peak structure, there is the first ridge 11-1 and the second ridge 11-2,
Groove 12 is formed between first ridge 11-1 and the second ridge 11-2, groove 12 has a depth D.In other embodiments, it ties
Structure layer 11 further includes multiple single ridge prisms, is arranged at intervals between bimodal prism, no longer attached drawing repeats herein.
Please continue to refer to Fig. 2 and Fig. 3, the first optical film 10 includes substrate (not marking) and structure sheaf 11, makes the first optics
Film 10 has a thickness T (including substrate), and structure sheaf 11 has a height H；First optical film 10 is carried out in coating apparatus 100
Further include a supporting element 101 when Coating material, the first supporting element 101 and coating apparatus 100 closest between surface
Spacing is Δ h, and the first optical film 10 passes through from the gap of the first supporting element 101 and coating apparatus 100, and the first supporting element 101
Spacing with coating apparatus 100 is thickness T of the Δ h less than the first optical film 10；To make coating apparatus 100 to the first optical film 10
It avoids coating material blocked up when being coated, can be Δ h and the first light by the spacing of the first supporting element 101 and coating apparatus 100
The difference for learning the thickness T of film 10 is set smaller than the height of structure sheaf 11, it is furthermore preferred that can be by the first supporting element 101 and coating
The spacing of equipment 100 is that the difference of the thickness T of Δ h and the first optical film 10 is set smaller than the depth D equal to groove.Because of infiltration
The first supporting element 101 and coating apparatus is being arranged in the selection of 120 material of layer and its difference with used coating material effect of impregnation
100 spacing also will be different when being Δ h.
Referring to FIG. 4, the first optical film showing after completion Coating material (marks and same above, to show clearly
Clear parts numbers do not mark).Coating material 13 inserts groove 12, according to material properties, 13 surface of coating material and the first ridge
11-1, the second ridge 11-2 are contour；Or 13 surface of coating material protrudes from the first ridge 11-1, the second ridge 11-2 line is put down
Face.The groove 12 that first ridge 11-1 and the second ridge 11-2 are collectively formed has certain top width W (that is, the first ridge
The spacing of 11-1 and the second ridge 11-2) and depth D, width W and depth D setting and the specific structure phase of the first prism 12
It closes.Referring to FIG. 4, prism structure and coating material 13 collectively form trapezium structure or class trapezium structure, in one embodiment, the
One prism structure and the generally axially symmetric structure of coating material 13, specifically, prism structure have two base angle θ1、θ2；First peak
Vertex angle theta at ridge 11-1, the second ridge 11-23、θ4And the angle theta of 12 bottom of groove5；Two base angle θ1=θ2, two apex angles
θ3=θ4, the section of groove 12 is in isosceles triangle, angle theta5It is adapted to base angle θ1、θ2Size is adjusted, to meet apex angle
θ3、θ4Value；Vertex angle theta3、θ480 °~120 ° of value range, preferably 85 °~110 °, more preferably 90 °；Base angle θ1、θ2Value
30 °~60 ° of range, preferably 40 °~50 °, more preferably 45 °；Such as base angle θ1、θ2Angle theta when being 45 °5Take 90 ° to meet apex angle
θ3、θ4Take 90 °；Or base angle θ1、θ2Angle theta when being 45 °5Take 130 ° to meet vertex angle theta3、θ4Take 110 °；Or base angle θ1、θ2It is 45 °
When angle theta5Take 70 ° to meet vertex angle theta3、θ4Take 80 °；Base angle θ can similarly be set1、θ2Angle theta is adjusted when being 60 °5Value with
Meet vertex angle theta3、θ4Value；The above are prism structure and coating material 13 are whole be axially symmetric structure when, taken meeting each angle
Value rule under the premise of for example, those skilled in the art can according to citing demonstration according to actual demand use other values.?
In above each angle value example, the cross sectional shape of groove 12 changes therewith, angle theta5Isosceles triangle when for acute angle, angle theta5
Isosceles right triangle when being 90 °, angle theta5Isosceles triangle when for obtuse angle；Angle theta5When for acute angle, 12 section table of groove
It is now deep for the narrow D of W, angle theta5123 section of groove shallow, the angle theta that shows as W wide D when for obtuse angle5When being 90 °, the performance of 12 section of groove
Between between the above two, no matter angle value, the width W of groove 12 at least meets the first optical film 10 and the second optical film
There are enough adhesive surfaces between 20, to provide required adhesion strength, if width W is 5~15 microns, preferably 7~10 microns；
The depth D of groove 12 at least meets the minimum standard of mold processing, if D is 2~10 microns, preferably 5~8 microns；One
In embodiment, groove is also designed to platybasic type, and two sides bevel edge extended line forms angle, and those skilled in the art can basis
Above content designs groove, and no longer attached drawing repeats herein；With advances in technology, such as the improvement of adhesive, precision machined hair
Narrower, the D more shallow trench design of W also may be selected in exhibition.
Referring to FIG. 5, showing the rough schematic view of complex optical film continuous production.As shown in the figure is finally two layers of light
The fitting for learning film, can be set to the fitting of more tunics, and the molding of the first optical film 10 is illustrated only in figure as needed
Journey, the second optical film 20 only process to be bonded with the first optical film 10 after finally forming a film, when the second optical film 20 is micro-structure
When optical film, preposition processing procedure can be similar with the preposition processing procedure of the first optical film 10, using the knot for being same or different from structure rod 200
When the second optical film 20 is not microstructured optical film, or other processing procedures can be used to form optical film needed for other in structure rod.
As shown in figure 5, the forming process of complex optical film includes the first optical film 10 of production, the first optical film 10 is carried out
First optical film 10 and the second optical film 20 are bonded by Coating material.First optical film, 10 forming process includes mentioning
For a coiled material substrate, after pretreatment, it is coated with curable resin on one surface of substrate, after a structure rod 200, forms structure
Layer 11, solidifies structure sheaf 11；Curable resin or selected curable resin can be selected according to producing line curing apparatus type
Product line curing apparatus is determined after material.It is first when being coated coating material to 10 surface micro-structure of the first optical film
Coating apparatus 100 and 101 surface separation delta h of supporting element are first adjusted, so that separation delta h is slightly less than the thickness T of the first optical film 10, especially
It makes the difference of the thickness T of separation delta h and the first optical film 10 be less than 11 height H of structure sheaf, more preferably, makes separation delta h and the
The difference of the thickness T of one optical film 10 is more than or equal to trench depth D, preferably, making the thickness of separation delta h and the first optical film 10
The difference of T is 1.5 times -2 times of trench depth D, for another angle, to have when guaranteeing that coating material is precipitated in soakage layer stress
There are enough deformation spaces, the thickness of soakage layer can be set to 1.5 times of trench depth D, while the thickness of soakage layer can be limited
Degree is 5 times or less of trench depth D.Then coating material is infiltrated to the soakage layer 120 of coating apparatus 100, infiltrates Shi Keyong
Coating material is directly applied on coating apparatus 100 by coating head, and 120 absorbed themselves of soakage layer infiltrate coating material, or in coating head and
It is applied on soakage layer 120 between coating apparatus by applicator roll, soakage layer 120 is made more uniformly to infiltrate coating material.By
After aforementioned process, the second optical film 20 and the first optical film 10 are bonded by coating material, then solidified.So far it completes
Complex optical film continuous production process.Coating material during this can be contact adhesive, hot setting adhesive, UV solidification
The hot combination and solidification adhesive of adhesive, UV/, optically clear adhesive, optical clear gel or room temperature setting adhesive.
Referring to FIG. 6, sheet material row optical film under conditions of it does not have continuous production, can be used as schemed institute
The coating apparatus shown is coated, and is then bonded again.Because of 100 ' surfacing of coating apparatus, can directly adopt blade coating mode will be applied
Layer material, which is coated on soakage layer 120 ', infiltrates its spontaneous absorption, and the first optical film 10 to be coated is then set to supporting element
On, coating apparatus 100 ' is pressed to the first optical film 10 directly, is controlled be coated with according to the thickness T of the first optical film 10 in the process
The stroke of equipment 100 ' makes coating apparatus 100 and 101 surface separation delta h of supporting element be slightly less than the thickness T of the first optical film 10,
Especially make the thickness T of separation delta h and the first optical film 10 difference be less than 11 height H of structure sheaf, more preferably, make separation delta h with
The difference of the thickness T of first optical film 10 is less than or equal to trench depth D.First optical film 10 and the second optical film 20 are pasted
The technique of conjunction is just using mature way in the prior art.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Above-mentioned coating apparatus provided by the invention can pass through the thickness of control soakage layer because its surface is provided with soakage layer
Degree accurately to control the thickness of function of glue coating, realizes even spread；It is especially suitable complex optical film application in, such as POP
(prism on prism), DOP (diffuser on prism), MOP (microlens on prism) or more layer it is compound
Optical film such as POPOP.In above-mentioned complex optical film, upper layer film and lower membrane need to be attached, due to the upper table of lower membrane
Face is equipped with micro-structure, can not carry out gluing, prior art way is all the lower surface coated glue layer in upper layer optical film, then
It is bonded with lower membrane, so, the micro-structure of lower membrane can be then inserted into glue-line, so then have lost the portion of micro-structure
Divide function.And use coating apparatus of the invention can be to avoid above-mentioned feelings in the case of rationally designing to optical film
Shape makes upper layer film carry out the function of being bonded and do not lose lower membrane micro-structure with lower membrane, whole optical effect can be improved.
In addition complex optical film provided by the invention, the part lens structure of the first optical film are two peak structure, and bimodal ridge forms ditch
Slot, in groove can by coating apparatus Coating material of the invention, coating material and the second optical film in such groove it
Between have enough contact surfaces, the bonding effect of the first optical film and the second optical film may be implemented, in this way can be to avoid elder generation
In preceding technology, prism cutting-edge structure is inserted into the mode that glue-line or melting glue-line etc. are sacrificed prism tip and bonded, can be improved
Whole brightening effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of coating apparatus, including basal layer and soakage layer, the soakage layer are set to the surface of the basal layer, feature
It is, the soakage layer is suitable for infiltration coating material and coating material is precipitated in stress, and the coating apparatus is used for first
The structure layer surface of optical film is coated, and first optical film is prismatic brightness film, and prism is two peak structure, has the
One ridge and the second ridge, form groove between first ridge and the second ridge, the groove has a depth D, described
Soakage layer with a thickness of 1.5~5 times of the trench depth D and the coating material is only inserted in groove.
2. coating apparatus according to claim 1, which is characterized in that the basal layer is roller or plate.
3. coating apparatus according to claim 1, which is characterized in that the soakage layer is porous material.
4. coating apparatus according to claim 2, which is characterized in that the roller is rubber roller or metallic roll.
5. coating apparatus according to claim 2, which is characterized in that the plate is offset plate or metal plate.
6. a kind of preparation method of coating apparatus a method as claimed in any one of claims 1 to 5, comprising the following steps:
Step 1, a basal layer is provided；
Step 2, a porous material is provided, the sheet material for being cut to required thickness obtains soakage layer；
Step 3, soakage layer described in step 2 is set on the basal layer of step 1.
7. a kind of preparation method of coating apparatus a method as claimed in any one of claims 1 to 5, comprising the following steps:
Step a prepares micron order foamed material stoste；
Step b provides a basal layer；
Step c, by micron order foamed material stoste spraying/blade coating to basic layer surface obtained by step a；
Step d, curing/standing, the foaming of micron order foamed material stoste become the soakage layer of porous material, obtain applying and lay
It is standby.
8. a kind of preparation method of complex optical film, comprising the following steps:
Step S1 provides the first optical film, and the first optical film thickness is T, and first optical film has a structure sheaf, structure sheaf
Height is H；
The soakage layer of coating apparatus any in claim 1-5 is infiltrated coating material by step S2；
Step S3 makes the first optical film by coating apparatus described in step S2, and the coating apparatus is in first optics
The textured layer portion surface Coating material of film；
Step S4 provides the second optical film, and the second optical film is made to combine shape through the coating material of step S3 with the first optical film
At complex optical film.
9. the preparation method of complex optical film according to claim 8, which is characterized in that the step S3 further includes one
Support member, the supporting element is used to support first optical film, between the supporting element and the infiltration layer surface of the coating apparatus
Away from for Δ h.
10. the preparation method of complex optical film according to claim 9, which is characterized in that the separation delta h is less than described
Thickness T, and the difference of thickness T and separation delta h is less than height H.
11. the preparation method of complex optical film according to claim 9, which is characterized in that structure sheaf described in step S1
For multiple prism structures, at least one the multiple prism structure has the first ridge and the second ridge, the first ridge and second
Ridge forms a groove, trench depth D.
12. the preparation method of complex optical film according to claim 10, which is characterized in that the separation delta h is less than institute
Thickness T is stated, and the difference of thickness T and separation delta h is greater than trench depth D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN86103204A (en) * | 1986-02-28 | 1987-09-09 | 艾库米特实验室公司 | Porous roll fluid coating applicator and method |
| DE19714645A1 (en) * | 1997-04-09 | 1998-10-15 | Jagenberg Papiertech Gmbh | Web coating station roller |
| CN1790175A (en) * | 2004-12-16 | 2006-06-21 | 柯尼卡美能达商用科技株式会社 | Image recording sheet moistening device and image printing apparatus |
| CN102467035A (en) * | 2010-11-18 | 2012-05-23 | 住友橡胶工业株式会社 | Transfer member |
| JP2012250190A (en) * | 2011-06-03 | 2012-12-20 | Hirano Tecseed Co Ltd | Coating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2008010504A (en) * | 2006-02-14 | 2009-03-31 | Allegiance Corp | Liquid applicator and method for reducing the concentration of by-products from antiseptic. |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103204A (en) * | 1986-02-28 | 1987-09-09 | 艾库米特实验室公司 | Porous roll fluid coating applicator and method |
| DE19714645A1 (en) * | 1997-04-09 | 1998-10-15 | Jagenberg Papiertech Gmbh | Web coating station roller |
| CN1790175A (en) * | 2004-12-16 | 2006-06-21 | 柯尼卡美能达商用科技株式会社 | Image recording sheet moistening device and image printing apparatus |
| CN102467035A (en) * | 2010-11-18 | 2012-05-23 | 住友橡胶工业株式会社 | Transfer member |
| JP2012250190A (en) * | 2011-06-03 | 2012-12-20 | Hirano Tecseed Co Ltd | Coating apparatus |
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