CN106842380B - The manufacture method of front panel - Google Patents
The manufacture method of front panel Download PDFInfo
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- CN106842380B CN106842380B CN201610867887.3A CN201610867887A CN106842380B CN 106842380 B CN106842380 B CN 106842380B CN 201610867887 A CN201610867887 A CN 201610867887A CN 106842380 B CN106842380 B CN 106842380B
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- Prior art keywords
- coating
- periphery
- front panel
- display
- manufacture method
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
It is related to the manufacture method for the front panel for possessing the structure formed in the surface of panel substrates stacking coating, the panel substrates have around many concavo-convex display faces on surface and possess the periphery formed by even surface, can maintain the antiglare effect at display face and prevent even surface from producing orange peel.It is proposed a kind of manufacture method of front panel, it is characterised in that it possesses：Substrate injection molding procedure, in the process, the said panel base material component (1) for possessing periphery (2) around display facial (1) is formed in by injection moulding；And painting process, in the process, coating (11), (12) are formed in the surface coating transparent resin of foregoing display facial (1) and periphery (2), wherein, it is coated with transparent resin in a manner of the average value Bav of the average value Aav of the thickness of the coating (11) of foregoing display surface portion (1) and the thickness of the coating of foregoing periphery (2) becomes relation as Aav ＜ Bav.
Description
Technical field
Front panel and vehicle mounted guidance system the present invention relates to smart mobile phone, tablet terminal, portable game device etc.
The manufacture method of the front panel used in the operation panel of system, industrial machinery etc..
Background technology
The front panel used on the operation panel as smart mobile phone, tablet terminal and onboard navigation system etc.
Base material, all the time, use glass material.But the impact resistance of glass material, light weight equal difference, therefore propose by
It is replaced by the scheme of synthetic resin material.
For example, in patent document 1, disclose and polycarbonate resin and acrylic resin are being coextruded obtained layer
The laminated resin body that hard coat forms is laminated in stack.
In addition, in patent document 2, it is not easy to scratch as surface and manufactures relatively easy touch panel with stacking extrusion tree
Fat plate, discloses a kind of touch panel stacking extruded resin sheet, it is characterised in that it is in poly- carbonic acid by co-extrusion modling
Acrylic resin is laminated on the surface of the side at least touched of ester resin bed and is formed.
In addition, as the touch panel display device using this resin plate, disclose on foregoing resin plate
The front panel apparatus for configuring the touch panel of touch input and being formed (referring for example to patent document 3 etc.).
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2006-103169 publications
Patent document 2：Japanese Unexamined Patent Publication 2010-182263 publications
Patent document 3：Japanese Unexamined Patent Publication 2002-40243 publications
The content of the invention
Problems to be solved by the invention
However, the resin plate being molded as described above by extrusion molding is used as smart mobile phone, vehicle mounted guidance system
Unite when operation panel when, it usually needs carry out the secondary operation such as post forming, printing, the punching such as thermoforming.On the other hand, if
This front panel can be formed by being injection moulded, then can not only save the secondary operation process such as thermoforming, punching, and i.e.
It is the form for possessing the special shapes such as opening portion, bending section to make, and also can easily be manufactured.
If for example, using injection moulding, can be in order to assign antiglare effect and the picture display face in front panel is formed
Fine bumps, but also the periphery surface of the picture display face can be formed as into even surface in order to assign feeling of high class.
However, one will appreciate that so in order to assign antiglare effect and front panel picture display face formed with fine bumps
When, if the hard coat as its face side is laminated above patent document 1, the antiglare effect specially produced drop sometimes
It is low.It will also realize that, it is but then, above-mentioned although the reduction of antiglare effect can be suppressed if the thickness of hard coat is thinned at this time
Even surface becomes easily to produce orange peel.
Then, the present invention relates to the manufacturer for the front panel for possessing the structure formed in the surface of panel substrates stacking coating
Method, the panel substrates possess surface element, and the surface element is around with many concavo-convex display faces with by smooth
The periphery that face is formed, the present invention propose to be able to maintain that the antiglare effect at display face and prevent even surface from producing the new of orange peel
Front panel manufacture method.
The solution used to solve the problem
The present invention proposes a kind of manufacture method of front panel, it is characterised in that it possesses：Substrate injection molding procedure,
In the process, by being injection moulded the panel substrates component for being formed and possessing following substrate surface portion, the substrate surface portion tool
Have：Possess many concavo-convex display faces and the periphery formed by even surface positioned at the display facial surroundings；And coating
Process, in the process, said panel base material component display face and periphery surface coating transparent resin and shape
Into coating, wherein, with the average value Aav of the coating layer thickness in foregoing display surface portion and the average value of the coating layer thickness of foregoing periphery
Bav is coated with transparent resin as the mode of relation as Aav ＜ Bav.
The effect of invention
The manufacture method of the front panel proposed according to the present invention, can possess with many by being injection moulded to make
There is the panel substrates component in the substrate surface portion of the periphery formed by even surface around concavo-convex display face, into
And by being laminated coating on the foregoing surface for showing facial and foregoing periphery, and be further processed as needed, so that
Front panel can be manufactured.
In addition, at this time, there is difference by the thickness of the thickness of the coating for making display face and the coating of periphery, make table
Face has the thickness of the coating of many concavo-convex display faces relatively small, so as to maintain to show the anti-dazzle effect at face
Fruit, and prevent periphery from producing orange peel.Therefore, the front panel that the manufacture method proposed by the present application obtains can be suitable
Ground is used for such as touch panel display used for vehicle-carrying equipment.
Brief description of the drawings
Fig. 1 is the figure of an example of the panel substrates component used in an example for show the present invention, Fig. 1's
(A) it is its sectional view, (B) of Fig. 1 is the stereogram seen from upper surface side.
Fig. 2 is the sectional view of an example of the front panel manufactured in an example for show the present invention.
Description of reference numerals
1 display face
2 peripheries
3 panel substrates components
4 Printing Departments
11 coatings
12 coatings
Embodiment
Then, the present invention is illustrated based on embodiment example.But the present invention is not limited to embodiments described below.
This manufacture method of ＜ ＞
The manufacture method (being known as " this manufacture method ") of the front panel of one example of embodiments of the present invention is that possess
The manufacture method of the front panel (being known as " this front panel ") of following process：Substrate injection molding procedure, in the process, by panel
Base material is injection moulded with component；And painting process, in the process, seen in the substrate surface portion of the panel substrates component
See side surface portion coating transparent resin and form coating.
As long as said panel base material component possesses the form of panel substrates, if can remove as needed it is unnecessary
Part (also referred to as " clout part ") and be formed as the form of final panel substrates.
As long as this manufacture method possesses aforementioned substrates injection moulding process and foregoing painting process, can also possess it
Its process.Such as it may be inserted into the processes such as annealing operation described later, printing process, cutting process.
＜ substrate injection molding procedures ＞
In substrate injection molding procedure, panel substrates component is formed by injection moulding.
(material of panel substrates component)
The material of panel substrates component is transparent thermoplastic resin.Such as it may be exemplified out selected from by carbonic ester
It is acrylic resin, the poly terephthalic acids such as resin, plexiglass, acrylonitrile-styrene copolymerized resin
Glycol ester, polyimides, polyethylene, polypropylene, ester ring type polyolefin-based resins, phenylethylene resin series, vinyl chloride-based resin,
One kind or two or more resin in the group of phenolic aldehyde system resin, melamine series resin and epoxy system resin composition.Wherein, from saturating
Bright property and prevent deformation etc. from the viewpoint of, it is preferable to exemplify makrolon, acrylic resin etc..Wherein, for car
Equipment is carried with the front panel used in touch panel display, from the viewpoint of dustability is prevented, preferred makrolon.
As makrolon, the common aromatic copolycarbonate using bisphenol-A as main material is not limited to, can also be made
By the use of being used as the aromatic copolycarbonate of main material, fatty poly-ester carbonate, aromatic series aliphatic poly carbonic acid for example using other raw materials
Ester.For example, also include the ether glycol such as the isobide as diol component for makrolon of principal component etc..In addition, poly- carbonic acid
The hardness of ester is not high, it is therefore desirable for improving the hardness of coating.Therefore, the panel member base material as the present invention uses poly- carbonic acid
During ester, the orange peel that can more efficiently enjoy coating eliminates, is anti-dazzle.
(shape/thickness of panel substrates component)
Using injection moulding, the panel substrates component of arbitrary shape and thickness can be formed.Thus, for example, such as Fig. 1
It is shown, the panel substrates component 3 for possessing following substrate surface portion surface can be formed, i.e. substrate surface portion surface
Possess：With many concavo-convex display faces 1, surround the display face 1 when to overlook in a manner of positioned at surrounding by smooth
The periphery 2 that face is formed.
At this time, all end edge portions can be formed as flexure plane by periphery 2 as shown in Figure 1, can also be formed as corrugated surface.Separately
Outside, opening portion, recess, convex portion, the flanks such as through hole etc. arbitrarily can also be set in the appropriate location of periphery 2.In addition, also may be used
To assign the various patterns such as grid pattern, crenellation pattern in position.
On many bumps formed on the surface of display face 1, it is preferred that example is made to assign antiglare effect
Such as it is in micro concavo-convex face, the i.e. texture finished surface of texture shape.
Surface roughness (Rz) RzC on the surface of display face 1 is preferably 5 μm~24 μm.When the RzC is more than 5 μm, energy
Sufficient antiglare effect is accessed, so it is preferred that, when being less than 24 μm, it can further prevent that antiglare effect is too strong and makes display
Fuzzy situation, so it is preferred that.
From the above point of view, surface roughness (Rz) RzC on the surface of display face 1 is preferably 5 μm~24 μm, wherein
More preferably more than 8 μm or less than 20 μm, wherein more preferably more than 12 μm or less than 18 μm.
It should be noted that surface roughness (Rz) is 10 mean roughness, example as defined in JIS B 0601-1994
Such as can using surfagauge, shape measuring instrument, tool microscope, laser microscope instrument come measure (on
Surface roughness (Rz) described later, and same.).
In addition, during the concavo-convex height on the surface of increase display face 1, even if thickening the thickness of coating, can also obtain
Antiglare effect.But concavo-convex height it is excessive when, the light of liquid crystal panel is possible to flicker.
From the above point of view, the concavo-convex maximum height (Ry) on the surface of display face 1 is preferably 10~22 μm, wherein
More preferably more than 14 μm or less than 20 μm, wherein especially more preferably more than 16 μm or less than 18 μm.
It should be noted that maximum height (Ry) is the maximum height as defined in JIS B 0601-1994, such as can profit
With the instruments such as surfagauge, shape measuring instrument, tool microscope, laser microscope come measure (on it is described later most
Big height (Ry), and same.).
On the other hand, even surface is made preferred to feeling of high class is assigned in periphery 2, is shown wherein being particularly preferably made
The minute surface of gloss.
From the above point of view, the surface roughness (Rz) on the surface of periphery 2 be preferably less than 8 μm, it is wherein further
Preferably less than 6 μm, wherein more preferably less than 4 μm.
On the surface of periphery 2, from the viewpoint of above-mentioned, the incidence angle based on JIS Z8741,60 ° of angle of reflection
Mirror surface luster is preferably more than 85%, is wherein more preferably more than 90%.
On the upside peripheral part of periphery 2, such as when this front panel is used for onboard navigation system etc., touched from raising
When hitting to the security of human body (being known as " crashworthiness ") from the viewpoint of, flexure plane can also be made.
In addition, on display face 1, from the viewpoint of the vividness for ensuring image, according to JISK7136 measure mist degrees
Mist degree be preferably more than 2%, be wherein more preferably more than 3%.On the other hand, it is anti-on face 1 to showing from preventing
Penetrate from the viewpoint of dazzle, the mist degree according to JISK7136 measure mist degrees is preferably less than 10%, is wherein more preferably 7%
Below.
(injection moulding)
In injection moulding, injection moulding is projected to the shaping mold cavity of injecting molding die with resin material, use is above-mentioned
Resin material fills the shaping mold cavity, the resin material of the filling is cooled down in above-mentioned shaping mold cavity after curing it, opens
Above-mentioned injecting molding die, takes out injection-molded article, so as to make panel substrates component.
As injecting molding die, in the same manner as existing common injecting molding die, use based on metal material
Body and the injecting molding die formed.
When curing the injection moulding resin material for being filled in shaping mold cavity, formed have it is same with injecting molding die
The injection-molded article of the corresponding surface configuration of shape of the facing inner surface of the die cavity (die surface).
Therefore, for example possess as described above around with many concavo-convex display faces 1 with by putting down to be formed
The panel substrates component 3 in the substrate surface portion for the periphery 2 that sliding surface is formed, by what is formed by the injecting molding die of negative and positive
Mould molding die cavity is formed as corresponding with the form of this front panel, also, in inner surface (the mould table of injecting molding die
Face), it is corresponding with many bumps being formed with 1 corresponding position of above-mentioned display face (also referred to as " the facial forming portion of display ")
Surface configuration, it is opposite with even surface being formed with above-mentioned 2 corresponding position of periphery (also referred to as " periphery forming portion ")
The surface configuration answered.
More specifically, the facial forming portion of the display of a mould upper inner surface in female mould forms the micro- of many
It is thin concavo-convex, by surround it is surrounding in a manner of form minute surface and form periphery forming portion, can be formed in surface have it is many recessed
Possesses the panel substrates component 3 of the periphery 2 formed by even surface around convex display face 1.
As the method that concaveconvex shape is assigned to mould inner surface, it (can be that NC is processed that can include machining.), spray
Method known to chemical treatments such as the physical treatments such as sand, the etching process carried out using the etching solution comprising hydrofluoric acid etc. etc..
It is preferred that the surface formed with relief pattern is ground with grinding stone or abrasive cloth paper (sand paper) as needed.Separately
Outside, can be ground as needed using the grinding agent of liquid or paste-like.
In above-mentioned sand-blast, by with blowing the particle such as aluminium oxide, carborundum, diamond dust together with air, so as to
Enough form convex-concave surface.
In above-mentioned etching method, by using inorganic acid, acetic acid, first such as comprising hydrofluoric acid, ammonium fluoride, sulfuric acid, nitric acid
The hydrofluoric acid system etching solution of the acid such as the organic acids such as acid, water and other additives, so as to form convex-concave surface.
＜ annealing operations ＞
After injection moulding, in order to mitigate deformation, warpage caused by panel substrates component, it can heat to be moved back
Fire.
As method for annealing, can be carried out by known method.For example, 80 under air atmosphere, by in-furnace temperature
Keep heated at~120 DEG C within 20 minutes~150 minutes.At this time, in-furnace temperature is almost with product temperature
It is mutually synthermal.
＜ painting process ＞
In painting process, in face side, that is, viewing side of above-mentioned panel substrates component, in for example above-mentioned panel substrates structure
The foregoing display face 1 of part 3 and the surface of periphery 2 are coated with transparent resin and form coating.
(coating method)
As the coating method of transparent resin, such as spin-coating method, Dipcoat method, spray-on process, slope flow coat cloth can be included
Method, scrape stick coating method, roll-type coating, gravure coating process, ink-jet method, silk screen print method, die coating methods, flow coat method, curtain coating transfer
Coating method known to method etc..
Wherein, from the viewpoint of the thickness adjustment and differentiation coating of coating, it is preferred to use spray-on process, ink-jet method, intaglio plate
Rubbing method, silk screen print method, such as preferably using mechanical arm spraying etc., transparent resin is subjected to spray application.
The adjustment of coated weight during for example, by being coated, the adjustment for coating number, the adjustment of coated object distance, painting
Any of adjustment of translational speed of cloth pattern and ejiction opening adjusts or the combination of two or more adjustment, before can adjusting
State the thickness of the thickness of the coating 11 of display face 1 and the coating 12 of foregoing periphery 2.
More specifically, when such as computer controlled machine tool arm is sprayed, what operator inputted and to be coated with into computer
The coating weight and application frequency (repeating application frequency) at each position that panel substrates are consistent with shape, the size of component etc., from
And the thickness of the thickness of the coating 11 of foregoing display face 1 and the coating 12 of foregoing periphery 2 can be adjusted to desired thickness
Degree.
(feature of coating)
In painting process, preferably with the average value Aav of the thickness of the coating 11 in foregoing display surface portion 1 and foregoing periphery 2
The average value Bav of thickness of coating 12 be coated with transparent resin as the mode of relation as Aav ＜ Bav.
In this way, making the thickness of the thickness of the coating 11 of display face 1 and the coating 12 of periphery 2 that there is difference, make surface
The thickness of coating 11 with many concavo-convex display faces 1 is less than the thickness of the coating 12 of periphery 2, so as to remain aobvious
Show the antiglare effect at face 1, and prevent periphery 2 from producing orange peel.
It is preferred that it is coated with a manner of the average value Aav of the thickness of the coating 11 in foregoing display surface portion 1 becomes 5 μm~10 μm
Ming tree fat.
When the average value Aav of the thickness of the coating 11 of display face 1 is less than 10 μm, sufficient anti-dazzle effect can be obtained
Fruit.On the other hand, be more than 5 μm when, can further prevent the vividness of image to be damaged.In addition, it can fully assign conduct
Apply film strength.
From the above point of view, the average value Aav of the thickness of the coating 11 of display face 1 is preferably 5 μm~10 μm, wherein
Particularly preferably more than 6 μm or less than 9 μm, wherein particularly preferably more than 7 μm or less than 8 μm.
On the other hand, 8 μm~30 μm of side is preferably become with the average value Bav of the thickness of the coating 12 of foregoing periphery 2
Formula is coated with transparent resin.
The average value Bav of the thickness of the coating 12 of periphery 2 be less than 30 μm when, can prevent through when film contraction,
Film is damaged.On the other hand, be more than 8 μm when, further can prevent orange peel from producing.
From the above point of view, the average value Bav of the thickness of the coating 12 of periphery 2 be preferably 8 μm~30 μm, it is wherein special
You Xuanwei not be more than 10 μm or less than 25 μm, wherein particularly preferably more than 12 μm or less than 20 μm.
It should be noted that the thickness of coating 11 average value Aav and periphery 2 coating 12 thickness average value
Bav embodiment can be measured like that as be described hereinafter, in addition, using electron microscopes such as scanning electron microscope (SEM), observe coating
11st, 12 section, measures thickness more than arbitrary 3 positions, its average value is calculated, so as to can also obtain.
It is and then preferably thick with the surface of the surface roughness RzA of the coating in foregoing display surface portion, the coating of foregoing periphery
Rugosity RzB, said panel base material meet that the mode of relationship below (1) applies with the surface roughness RzC of the display face of component
Cloth transparent resin.When RzC, RzA and RzB meet relationship below (1) or (2), antiglare effect further improves, and is preferable.
(1) surface roughness RzC ＞ surface roughnesses RzA=surface roughnesses RzB
(2) surface roughness RzC ＞ surface roughnesses RzA ＞ surface roughnesses RzB
(resin combination)
The resin combination (be known as " coating resin composition ") of coating as long as transparent resin combination, just without spy
Do not limit.Wherein, the resin combination used particularly preferable as hard coating material.
As hard coating resin composition, resin combination, the solvent seasoning of ultraviolet (UV) curability can be included
The resin combination of curability, resin combination of Thermocurable etc..However, it is possible to suitably applied using other transparent hard
Cloth material.
As ultra-violet solidified resin combination, can include has more than 1 containing photopolymerizable compound
The resin combination of the compound of optical polymerism functional group.
In addition, as the light for making photopolymerizable compound be irradiated when polymerizeing, such as luminous ray and ultraviolet can be included
Line, X-ray, electron beam, alpha ray, β rays and ionization radial line as gamma-rays etc..
As above-mentioned photopolymerizable compound, can include has the poly- of acryloyl group, methylacryloyl etc. in molecule
Photopolymerization monomer, the optical polymerism of the olefinic double bond of conjunction property unsaturated bond, mercapto or epoxy group or pi-allyl etc. are oligomeric
Thing or optical polymerism polymer.Gather for example, photopolymerization monomer can be applied in combination with optical polymerism oligomer or optical polymerism
Compound.
As photopolymerization monomer, the multifunctional list with 2 (i.e. 2 functions) above optical polymerism functional groups can be included
Body.For example, diethylene glycol two (methyl) acrylate, dipropylene glycol two (methyl) acrylate, trihydroxy methyl third can be included
Alkane three (methyl) acrylate, tripropylene glycol two (methyl) acrylate, pentaerythrite three (methyl) acrylate, pentaerythrite
Four (methyl) acrylate, dipentaerythritol six (methyl) acrylate, 1,6-HD two (methyl) acrylate, new penta 2
Alcohol two (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, two trimethylolpropane four (methyl) acrylic acid
Ester, dipentaerythritol five (methyl) acrylate, tripentaerythritol eight (methyl) acrylate, tetrapentaerythritol ten (methyl) third
Olefin(e) acid ester, isocyanuric acid three (methyl) acrylate, isocyanuric acid two (methyl) acrylate, polyester three (methyl) acrylic acid
Ester, polyester two (methyl) acrylate, bis-phenol two (methyl) acrylate, two glycerine four (methyl) acrylate, adamantyl
Two (methyl) acrylate, isobornyl two (methyl) acrylate, bicyclopentane two (methyl) acrylate, tristane two
(methyl) acrylate, two trimethylolpropane four (methyl) acrylate, by they with PO, EO etc. it is modified obtained from thing
Matter.
As optical polymerism oligomer, the multifunctional oligomer preferably more than 2 functions.Such as polyethers (methyl) can be included
Acrylate, polyalcohol (methyl) acrylate, melamine (methyl) acrylate, isocyanates (methyl) acrylate,
Epoxy (methyl) acrylate, polyester (methyl) acrylate, carbamate (methyl) acrylate, polyester-carbamic acid
Ester (methyl) acrylate etc..
As optical polymerism polymer, carbamate (methyl) acrylate, isocyanates (methyl) third can be included
Olefin(e) acid ester, polyester-urethane (methyl) acrylate, epoxy (methyl) acrylate etc..
As ultra-violet solidified resin combination or contain Photoepolymerizationinitiater initiater, the Photoepolymerizationinitiater initiater
Absorb ultraviolet to be excited, activate and cause polymerisation, cause the resin combination of the curing reaction of uv curing resin
Thing.
As Photoepolymerizationinitiater initiater, such as benzil, benzophenone, its derivative, thioxanthene ketone class, benzil can be included
Dimethyl ketal class, Alpha-hydroxy alkylbenzene ketone, alpha-hydroxyacetophenone class, hydroxyl ketone, amino alkylphenone class, acyl group oxidation
Phosphine etc..Wherein, Alpha-hydroxy alkylbenzene ketone is not susceptible to xanthochromia when curing, and can obtain transparent solidfied material, so it is preferred that.
In addition, amino alkylphenone class possesses very high reactivity, the solidfied material of excellent hardness can be obtained, so it is preferred that.Above-mentioned light
Polymerization initiator can be used alone only a kind or two or more be applied in combination.
On the additive amount of Photoepolymerizationinitiater initiater, relative to 100 mass parts of curable resin, 0.1~5 mass is preferably added
Part.
In the case of ultra-violet solidified resin combination, such as the resin combination is coated on panel substrates table
Face, then, in order to make the resin combination dry and carrying out heating makes its drying, makes evaporation of the solvent, then to the resin combination
The light such as thing irradiation ultraviolet, make photopolymerizable compound polymerize (crosslinking), so that curing of coatings.But it is not limited to the party
Method.
The resin combination of solvent seasoning curability be thermoplastic resin when only by making coating in order to adjust solid into
The solvent seasoning for dividing and adding just can become resin combination as overlay film.
As solvent-dry type resin, the composition for including transparent polyimide precursor varnish etc. can be included.
In addition, as foregoing hot curing resin composition, such as can include containing polyurethane series resin, asphalt mixtures modified by epoxy resin
Fat, phenolic resin, urea resin, diallyl phthalate resin, melmac, guanamine resin, unsaturated polyester (UP)
It is the heat-curing resins such as resin, amino-alkyd resin, melamine-urea cocondensation resin, silicones, polyorganosiloxane resin
Composition.
Hot curing resin composition can also as needed contain and for example be crosslinked in addition to containing heat-curing resin
The curing agent such as agent, polymerization initiator, polymerization accelerant, solvent, viscosity modifier, extender pigment etc..
As curing agent, in general, isocyanates, organic sulfonic acid etc. are used for polyester based resin, polyurethane series resin, amine is commonly used
It is usually used in radical initiators such as the peroxide such as epoxy resin, methyl ethyl ketone peroxide, azo diisobutyl esters unsaturated poly-
Ester system resin.
Among above, from the viewpoint of marresistance, pencil hardness when being coated on makrolon base material becomes H
Coating resin composition above is preferable.
In addition, the wetability (JISK6768) of coating resin composition is preferably below 22.6dyn, on coating resin group
The viscosity of compound, it is preferred that the viscosity measured at 25 DEG C of temperature with E types viscosimeter is 20mPs~35mPs.
From the above point of view, the base resin of coating resin composition is particularly preferably acrylic resin, amino first
Acid ester resin.Wherein, if from the viewpoint of case hardness, particularly preferred acrylic resin.
In above-mentioned coating resin composition, conventionally known dispersant, surfactant, anti-quiet can be contained as needed
Electric agent, silane coupling agent, thickener, anti-coloring agent, colouring agent (pigment, dyestuff), defoamer, levelling agent, fire retardant, ultraviolet
Absorbent, bonding imparting agent, polymerization inhibitor, antioxidant, surface modifier, lubricant, antioxidant, anti-impact modifier etc. are each
Kind additive.
＜ cutting process ＞
Panel substrates can cut away clout part as needed with component so that as regulation shape.For example, around cut-out
The outer peripheral edge portion in portion 2, is made the form of final panel substrates.
Cutting process can the importing optionally before and after painting process.
＜ printing process ＞
This manufacture method can possess printing process as needed.
For example, shielding part can be formed around display face 1, i.e., at the back side of panel substrates and 2 phase of periphery
Implement printing, such as black printing in corresponding position.
Printing process can the importing optionally before and after painting process.
Alternatively, it is also possible to print by minute surface, minute surface printing layer is set.
By setting minute surface printing layer, mirror effect can be assigned, so as to assign good metal-like, can be assigned excellent
Different design, so as to assign feeling of high class.
The printer's ink used in being printed for minute surface, can use in acrylic resin, carbamate resins, polyester
The metal dusts such as aluminium powder, silver powder are compounded in the synthetic resin such as resin makes its scattered printed silver ink formed etc..
As the printing process of this printer's ink, silk-screen printing, hectographic printing, intaglio printing, flexible printing can be used
Etc. print process, wherein, silk-screen printing is suitable.
Alternatively, it is also possible to implement white printing in above-mentioned minute surface printing layer, white printed layer is set.
White printing is used for the small pin hole of minimal residue in the minute surface printing layer of landfill inner side, prevents the transmission of light,
The metal-like for suppressing to be printed by minute surface is reduced because of pin hole, can use the common printing compounded with white color agents
Ink, is printed by silk-screen printing etc..
Alternatively, it is also possible to implement the transparent printing of dumb light or the transparent printing of delustring.
As the printer's ink used in this purposes, it is preferred that with acrylic resin, carbamate resins, gather
Powder of the lucites such as ester resin as carrier, the thereto delustring such as compounding silica powder, alumina powder
The transparent printer's ink of evaporation drying type or ultraviolet hardening obtained from making it scattered.
As the printing process of this transparent printing, silk-screen printing, hectographic printing, intaglio printing, flexible print can be used
Print processes such as brush etc..
＜ purposes ＞
This front panel is used directly for the front panel of smart mobile phone, tablet terminal, portable game device etc., Yi Jiche
Carry the operation panel of navigation system, industrial machinery etc..
The explanation ＞ of ＜ sentences
In this specification, it is expressed as " during X~Y " (X, Y are arbitrary numeral), in case of no particular description, no
Only include the implication of " more than X and below Y ", but also including " preferably greater than X " or " the preferably smaller than implication of Y ".
In addition, when being expressed as " more than X " (X is arbitrary numeral) or " below Y " (Y is arbitrary numeral), also including purport
In " preferably greater than X " or " the preferably smaller than intention of Y ".
In addition, in this specification, " base resin " refers to, forms the most tree of content among the resin of resin combination
Fat, usually forms more than the 50 mass %, wherein especially more than 80 mass %, wherein especially of the resin of the resin combination
It is the resin of more than 90 mass % (including 100 mass %).Wherein, when resin combination includes 2 kinds of base resins, its total amount into
For above-mentioned mass ratio.
In addition, in this specification, " face side " refers to, the side that the display light from front panel is sent, before it is observation
The side of the display of panel.
" rear side " refers to, the side opposite with foregoing " face side ", refers to the side that the display light of front panel is injected.
" transparent " refers to, water white transparency is not limited to, also including tinted clear.
Embodiment
Hereinafter, the present invention is further described based on following embodiments and comparative example.
The making ＞ of ＜ panel substrates
Prepare following die for injection molding, which has the shape with Vehicular display device front panel
The die cavity of corresponding shape, the corresponding die surface in viewing side surface with display face is texture finished surface, with week
The corresponding die surface in surface for enclosing portion is minute surface.
Prepare the injection moulding resin material containing resin based on makrolon.By the injection moulding resinous wood
Material is filled into the die cavity of above-mentioned mould and cools and solidifies respectively, so that the panel substrates molding component by makrolon.
Then, behind the clout part for cutting off so obtained panel substrates component, by in-furnace temperature under air atmosphere
Keep annealing for 700 minutes at 100 DEG C, obtain panel substrates (sample).
The panel substrates (sample) of gained be as shown in Figure 1 formed with surface have many concavo-convex display faces 1 and
The component formed in a manner of the display face 1 is surrounded when to overlook positioned at the surrounding periphery 2 formed by even surface.
The concavo-convex maximum height (Ry) on the surface of display face 1 is 22 μm, and the concavo-convex maximum on the surface of periphery is high
It is 4 μm to spend (Ry).
And then black printing is implemented by silk-screen printing at the back side of periphery 2.
＜ embodiments 1-5 and comparative example 1-2 ＞
The display face 1 of panel substrates (sample) and the surface coating transparent resin A of periphery 2 are sprayed at using mechanical arm
And coating is formed, make front panel (sample).At this time, by inputting each position in the computer that control machinery arm is sprayed
Spray amount and repetition application frequency, so as to adjust the thickness of the coating 11 of display face 1 and foregoing periphery like that as shown in table 1
The thickness of 2 coating 12.
As above-mentioned transparent resin A, use acrylic resin (viscosity 25mPs).The viscosity is at 25 DEG C of temperature
The value measured with E types viscosimeter.
In addition, the pencil hardness of coating surface is 2H in all embodiments, comparative example.
(measure of the average value of the thickness of coating)
For metallic plate, coating 11,12 is identically formed with embodiment, uses induction film thickness measuring device
(Kett Electric Laboratory manufactures " PERMASCOPE MPOD "), the coating 11,12 of any 3 positions of measurement
Thickness, be averaged value and be denoted as average value Aav, Bav respectively.
(measure of surface roughness)
On the surface of panel substrates (sample) surface roughness and front panel (sample) coating surface table
Surface roughness, the surface roughness meter manufactured using Tokyo Precision Co., Ltd (ProductName " SURFCOM (registration mark)
NEX "), and using a diameter of 5 μm of contact pilotage of front end, according to JISB0601：1994, measure 10 average roughness on surface
Spend (Rz), maximum height (Ry).
(assay method of mist degree)
Display face for the front panel (sample) made in embodiment/comparative example, uses Suga Test
The double beam type haze computer " HGM-2B " of Instruments Co., Ltd.s manufacture, mist degree is measured according to JISK7136.
(evaluation of the anti-glare of display face)
Display face for the front panel (sample) made in embodiment, comparative example, makes fluorescent lamp anti-in display surface
Penetrate, visually the distinctiveness for the fluorescent lamp that observation reflection mirrors, is evaluated by following standard.
◎ (very good)：Fluorescent lamp moderately faintly mirrors
Zero (good)：Fluorescent lamp faintly mirrors, but fog-level is insufficient
× (poor)：Fluorescent lamp brightly mirrors
(evaluation of the orange peel of periphery)
Periphery for the front panel (sample) made in embodiment, comparative example, makes light be reflected in peripheral part, observation
The concave-convex sense in application face, is evaluated by following standard.
◎ (very good)：No concave-convex sense, smoothly.
Zero (good)：Fine concave-convex sense is remained, but it is substantially smooth.
× (poor)：There is concave-convex sense.
【Table 1】
The result of the test carried out so far according to above-described embodiment and inventor, it is known that, by the coating for making display face
The thickness of the coating of thickness and periphery has difference, makes the thickness that surface has the coating of many concavo-convex display faces opposite
It is smaller, so as to maintain to show the antiglare effect at face, and prevent even surface from producing orange peel.
Understand, from the above point of view, the average value Bav of the coating layer thickness of periphery preferably than 10 μ m-thicks and for 30 μm with
Under, the average value Aav for showing the coating layer thickness of face is preferably 5 μm~10 μm.
It should be noted that the concavo-convex maximum height on the surface of the display face 1 of the base material used in above-described embodiment
(Ry) it is 22 μm, but the result of the test carried out so far according to inventor, it is believed that when maximum height (Ry) is 10~22 μm,
Same effect can be obtained, wherein more preferably more than 14 μm or less than 20 μm, wherein especially more preferably 16 μ
Less than more than m or 18 μm.
Claims (8)
1. a kind of manufacture method of front panel, it is characterised in that it possesses：
Substrate injection molding procedure, in the process, by being injection moulded the panel substrates for being formed and possessing following substrate surface portion
With component, the substrate surface portion has：Possess many concavo-convex display faces and positioned at the display facial surroundings by smooth
The periphery that face is formed；And painting process, in the process, the panel substrates component display face and around
The surface in portion is coated with transparent resin and forms coating,
The concavo-convex maximum height Ry on the surface of the display face of the panel substrates component is 10~22 μm,
Wherein, with the average value Bav of the average value Aav and the coating layer thickness of the periphery of the coating layer thickness of the display face
Transparent resin is coated with as the mode of relation as Aav ＜ Bav, and with the average value of the coating layer thickness of the periphery
The mode that Bav is more than 8 μm and less than 30 μm is coated with transparent resin, and with the average value of the coating layer thickness of the display face
Aav is that more than 5 μm and less than 10 μm of mode is coated with transparent resin.
2. the manufacture method of front panel according to claim 1, it is characterised in that applied by spray-on process, ink-jet method, intaglio plate
Cloth method or silk screen print method coat transparent resin and form coating.
3. the manufacture method of front panel according to claim 1 or 2, it is characterised in that coating during by being coated
The adjustment of amount, the coating adjustment of number, the adjustment of coated object distance, coated pattern and ejiction opening translational speed adjustment
Any of adjustment or two or more adjustment combination, to adjust the coating layer thickness of the display face and the periphery
Coating layer thickness.
4. the manufacture method of front panel according to claim 1 or 2, it is characterised in that the panel substrates component
Surface with many concavo-convex display faces is texture finished surface.
5. the manufacture method of front panel according to claim 1 or 2, it is characterised in that the panel substrates component
The surface of periphery is minute surface.
6. the manufacture method of front panel according to claim 1 or 2, it is characterised in that with the coating of the display face
Surface roughness RzA, the surface roughness RzB of coating, the display face of the panel substrates component of the periphery
Surface roughness RzC meet that the mode of following relational expression (1) or (2) is coated with transparent resin,
(1) surface roughness RzC ＞ surface roughnesses RzA=surface roughnesses RzB
(2) surface roughness RzC ＞ surface roughnesses RzA ＞ surface roughnesses RzB.
7. the manufacture method of front panel according to claim 1 or 2, it is characterised in that possess counter plate base material component
The printing process that is printed of the back side.
8. manufacture method according to claim 1 or 2, it is characterised in that the front panel is touch surface used for vehicle-carrying equipment
The front panel used in panel display.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015232159 | 2015-11-27 | ||
| JP2015-232159 | 2015-11-27 | ||
| JP2016015344A JP5945084B1 (en) | 2015-11-27 | 2016-01-29 | Front panel manufacturing method |
| JP2016-015344 | 2016-01-29 |
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| Publication Number | Publication Date |
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| CN106842380A CN106842380A (en) | 2017-06-13 |
| CN106842380B true CN106842380B (en) | 2018-05-11 |
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|---|---|---|---|---|
| WO2018066697A1 (en) * | 2016-10-07 | 2018-04-12 | 日本ペイント・オートモーティブコーティングス株式会社 | Optical multilayer member |
| JP6805902B2 (en) * | 2017-03-08 | 2020-12-23 | 大日本印刷株式会社 | Decorative molded products, their manufacturing methods, and transfer sheets |
| JP6812853B2 (en) * | 2017-03-09 | 2021-01-13 | 大日本印刷株式会社 | A transfer sheet, a method for manufacturing a decorative molded product using the transfer sheet, and a mold for molding the transfer sheet. |
| KR102160762B1 (en) * | 2017-11-15 | 2020-09-28 | (주)엘지하우시스 | Plastic cover window and methode for manufacturing the same |
| CN111542926B (en) * | 2017-12-07 | 2023-12-15 | Zkw集团有限责任公司 | Vehicle-mounted display device using semiconductor light emitting element |
| JP7151336B2 (en) * | 2018-09-28 | 2022-10-12 | 大日本印刷株式会社 | Decorative molded article, image display device using the same, and transfer sheet |
| CN114206572A (en) * | 2019-05-24 | 2022-03-18 | 日产自动车株式会社 | Forming die for composite body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05293845A (en) * | 1992-04-16 | 1993-11-09 | Nissha Printing Co Ltd | Injection-molded article having low reflection light pervious part |
| CN1469800A (en) * | 2000-10-17 | 2004-01-21 | �ձ�д��ӡˢ��ʽ���� | Antireflective formed article and method for preparation thereof, and mold for antireflective formed article |
| JP2006154040A (en) * | 2004-11-26 | 2006-06-15 | Sumitomo Chemical Co Ltd | Surface treatment anti-glare board |
| JP2010160398A (en) * | 2009-01-09 | 2010-07-22 | Nippon Shokubai Co Ltd | Antiglare laminate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002207104A (en) * | 2000-10-17 | 2002-07-26 | Nissha Printing Co Ltd | Antireflection member, method for producing the same and antireflection transfer material |
| JP3571021B2 (en) * | 2000-11-13 | 2004-09-29 | 日本写真印刷株式会社 | Anti-reflective molded product, method for producing the same, mold for anti-reflective molded product |
| JP6409422B2 (en) * | 2014-09-02 | 2018-10-24 | 日油株式会社 | Anti-glare film for insert molding and resin molded product using the same |
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- 2016-01-29 JP JP2016015344A patent/JP5945084B1/en active Active
- 2016-09-29 CN CN201610867887.3A patent/CN106842380B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05293845A (en) * | 1992-04-16 | 1993-11-09 | Nissha Printing Co Ltd | Injection-molded article having low reflection light pervious part |
| CN1469800A (en) * | 2000-10-17 | 2004-01-21 | �ձ�д��ӡˢ��ʽ���� | Antireflective formed article and method for preparation thereof, and mold for antireflective formed article |
| JP2006154040A (en) * | 2004-11-26 | 2006-06-15 | Sumitomo Chemical Co Ltd | Surface treatment anti-glare board |
| JP2010160398A (en) * | 2009-01-09 | 2010-07-22 | Nippon Shokubai Co Ltd | Antiglare laminate |
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| CN106842380A (en) | 2017-06-13 |
| JP2017107523A (en) | 2017-06-15 |
| JP5945084B1 (en) | 2016-07-05 |
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Effective date of registration: 20210208 Address after: Tokyo, Japan Patentee after: Japan MCC Advanced Molding Co.,Ltd. Address before: Shiga Patentee before: DIA MOLDING Co.,Ltd. |