CN203465693U - Surface panel with detection function - Google Patents
Surface panel with detection function Download PDFInfo
- Publication number
- CN203465693U CN203465693U CN201320576432.8U CN201320576432U CN203465693U CN 203465693 U CN203465693 U CN 203465693U CN 201320576432 U CN201320576432 U CN 201320576432U CN 203465693 U CN203465693 U CN 203465693U
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- Prior art keywords
- undercoat
- surface panel
- adhesive phase
- outside
- panel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Push-Button Switches (AREA)
- Position Input By Displaying (AREA)
- Manufacture Of Switches (AREA)
Abstract
The utility model aims to provide a surface panel with a detection function, which can particularly obtain favorable clinging capability and optical characteristics. Priming coats (14 and 15) made of acrylic resin are formed on the surface of a base material thin film (11) made of PET; bonding agent layers (17 and 27) made of vinyl chloroacetate resin are formed on the surfaces of the priming coats; forming bodies (12 and 13) made of PMMA are formed on the surfaces of the bonding agent layers. Therefore, the base material thin film (11) made of the PET and the forming bodies (12 and 13) made of the PMMA can be clung to each other firmly, and excellent optical characteristics can be obtained.
Description
Technical field
The utility model relates to the surface panel using as a part for the framework of portable equipment and other electronic equipments, relates in particular to the connected structure between base material and formed body.
Background technology
The surface panel using as the part of the portable framework with equipment and other electronic equipments, is provided with and can has an X-rayed the display frame of liquid crystal indicator etc. and can utilize and point the transmission region that carries out touch control operation at central portion.
The structure that the formed body that surface panel forms for the synthetic resin material of the surface of base material that forms the light transmission of colorimetric sensor films being used by light transmission covers.
In patent documentation 1, disclose panel construction as described below: base material is polyester, formed body (thermoplastic resin) is PMMA, clamps the adhesive linkage of Polyvinylchloride-VA between base material and formed body.
In addition, between the PET film disclosing at base material and PC resin, clamp the structure of IMB bonding agent (kingdom's ink is manufactured (Co., Ltd.)) in patent documentation 2.
In patent documentation 3 and patent documentation 4, disclose the structure that colorimetric sensor films and panel (lid) are laminated, but there is no the connected structure between clear and definite colorimetric sensor films and panel.
Technical literature formerly
Patent documentation
Patent documentation 1: TOHKEMY 2007-196659 communique
Patent documentation 2: TOHKEMY 2011-140201 communique
Patent documentation 3: the open 2008/0117186A1 of United States Patent (USP)
Patent documentation 4: the open 2009/0073130A1 of United States Patent (USP)
Utility model summary
The problem that utility model will solve
But, in each patent documentation, all unexposed about the suitable connected structure between the base material being formed by PET film and the formed body being formed by PMMA.For example, in the connected structure (adhesive linkage) of recording at patent documentation 1, patent documentation 2, cannot obtain the enough peel strengths (close property) between base material (PET film) and formed body (PMMA).In addition, owing to possessing transmission region, therefore must obtain close property and good optical characteristics simultaneously.It is index that optical characteristics for example be take transmissivity and mist degree.
But,, about can obtain the base material (PET film) of good close property and good optical characteristics and the connected structure between formed body (PMMA) simultaneously, do not record all the time.
Utility model content
Therefore, the utility model completes in order to solve above-mentioned existing problem, and its object is to provide a kind of surface panel with measuring ability that especially can simultaneously obtain good close property and optical characteristics.
Solution
The utility model is a kind of surface panel with measuring ability, and this surface panel with measuring ability has transmission region, it is characterized in that,
The surface panel of described measuring ability has:
The base material with the light transmission of outside surface and inside surface;
Be located at the described inside surface of described base material and be positioned at the detecting electrode layer of the light transmission of described transmission region;
Be formed at the undercoat of light transmission of the described outside surface of described base material;
Be formed at the adhesive phase of the surperficial light transmission of described undercoat;
Be formed at the outside formed body of the surperficial light transmission of described adhesive phase,
Described base material is formed by PET, and described outside formed body is formed by PMMA, and described undercoat is formed by propylene resin, and described adhesive phase is that resin forms by chlorination vinyl acetate.
According to the utility model, can make the base material being formed by PET and the outside formed body that formed by PMMA between close property firm, and can obtain excellent optical characteristics.
In the utility model, described in there is measuring ability surface panel also possess the decorative zones that surrounds described transmission region,
Preferably, in described decorative zones, between described undercoat and described adhesive phase, be provided with decorative layer.
According to the utility model, can in decorative zones, suitably form decorative layer, and can suppress peeling off of decorative layer.
In addition, in the utility model, preferably, described in there is measuring ability surface panel also in the described inner surface side of described base material across described undercoat and described adhesive phase and be formed with the inner side formed body being formed by PMMA.
Thus, can make the close property between base material and inner side formed body firm, and can obtain good optical characteristics.In addition, basic stepped construction clips the center of base material and forms symmetry in outside and inner side, and the stress difference in the stacked operation of each layer, the stress difference that thermal distortion causes be in the easy balance in outside and inner side, and is difficult for producing crooked, warpage on panel.
In addition, the utility model is a kind of manufacture method of surface panel, and the manufacture method of this surface panel is the manufacture method with the surface panel of transmission region, it is characterized in that,
The manufacture method of described surface panel comprises:
The first operation, in this first operation, forms the detecting electrode layer of the light transmission that is positioned at described transmission region at the described inside surface of base material with the light transmission consisting of PET of outside surface and inside surface;
The second operation, in this second operation, forms the undercoat of the light transmission consisting of propylene resin at the outside surface of described base material;
The 3rd operation, in the 3rd operation, on the surface of described undercoat, forming by chlorination vinyl acetate is the adhesive phase of the light transmission that forms of resin;
The 4th operation, in the 4th operation, the outside formed body of the light transmission being formed by PMMA at the shaping surface of described adhesive phase.
In the utility model, as shown in the second operation and the 3rd operation, the outside surface formation undercoat at base material, forms adhesive phase on the surface of undercoat.And, in the 4th operation, formed body outside the shaping surface of adhesive phase.Via above operation, can the peel strength between the base material being formed by PET and the outside being formed by PMMA formed body be kept enough greatly.On this basis, can obtain the excellent optical characteristics of surface panel.
In addition, in the utility model, possess the decorative zones that surrounds described transmission region,
The surface printing between described the second operation and described the 3rd operation with the described undercoat in described decorative zones forms the 5th operation of decorative layer,
Preferably, in described the 3rd operation, the surface of the described undercoat from described transmission region to the face side of described decorative layer form described adhesive phase.By form in this wise decorative layer on the surface of undercoat, when printing forms decorative layer, can easily print, and at decorative zones decorative layer suitably.In addition, can suppress peeling off of decorative layer.
Utility model effect
According to the utility model, can make the close property between the base material being formed by PET and the formed body being formed by PMMA firm, and can obtain excellent optical characteristics.
Accompanying drawing explanation
Fig. 1 means the stereographic map of the surface panel of the first embodiment of the present utility model.
Fig. 2 is the cut-open view of the II-II line of the surface panel shown in Fig. 1.
Fig. 3 will be located at the detecting electrode layer of inside surface of surface panel and the vertical view shown in the pattern of wiring layer perspective.
Fig. 4 means the cut-open view of the surface panel of the second embodiment of the present utility model.
Fig. 5 means the cut-open view of the surface panel of the 3rd embodiment of the present utility model.
Fig. 6 means the cut-open view of the surface panel of the 4th embodiment of the present utility model.
Fig. 7 means the cut-open view of the surface panel of the 5th embodiment of the present utility model.
(A) of Fig. 8 (B) means the key diagram of an example of the stacked operation of surface panel.
Description of reference numerals is as follows:
1 surface panel
1a panel outer surface
1b panel inner surface
1c panel end face
2 frameworks
3 transmission regions
4 decorative zones
11 base films
11a outside surface
11b inside surface
12 outside formed bodies
13 inner side formed bodies
14,15 undercoats
16 distribution bands
17,27 adhesive phases
18 protective seams
21 detecting electrode layers
22 wiring layers
23 decorative layers
28 sealers
201 surface panels
201c panel end face.
Embodiment
The surface panel 1 of the first embodiment shown in Fig. 1 and Fig. 2 is as the part of the framework of the portable equipments such as portable phone, portable information terminal or electronic equipment and use.
The surface panel 1 of the first embodiment is smooth structure, and flat shape is oblong-shaped.Surface panel 1 is arranged at the surperficial 2a of the framework 2 of portable equipment or electronic equipment.In the inside of framework 2, be built-in with display device and the circuit substrate of various electronic circuits has been installed.This display device is color liquid crystal display arrangement or organic electroluminescence display device and method of manufacturing same etc.
Surface panel 1 has the transmission region 3 that can see through light and the decorative zones 4 that surrounds described transmission region 3.The displaying contents of the picture of display device sees through transmission region 3 and sees from external energy is visual.
The stepped construction of Fig. 2 presentation surface panel 1.
Surface panel 1 has base film 11.Base film 11 has light transmission.Light transmission in this instructions refers to the light transmission of the degree of the displaying contents with energy perspective display device, and for example, full light transmittance is more than 80%, to be preferably more than 90%.
As shown in Figure 2, decorative zones 4 is formed with decorative layer 23 at the surperficial 14a of undercoat 14.Decorative layer 23 forms by printing process, with painted the filming of multiple coating, forms.As depicted in figs. 1 and 2, utilize decorative layer 23 to form the decorative zones 4 that surrounds transmission region 3.
As shown in Figure 1, the part at decorative zones 4 is provided with sign display part 30.As shown in Figure 2, for sign display part 30, at the inside surface 11b of base film 11, be provided with reflection horizon 31.At described inside surface 11b, by printing, form and comprise filming or passing through splash-proofing sputtering metal layer etc. of metal powder, form thus this reflection horizon 31.The part that is formed with reflection horizon 31 is covered by organic insulator 32.
Sign display part 30 is formed with through portion 33 in a part for decorative layer 23.Should see through portion 33 forms or forms by the painted number of plies of filming of partly cutting down with multiple coating by removing a part for decorative layer 23.See through the pattern that portion 33 forms word, mark or other combinations such as representing ProductName, fabricator's name or model.Sign display part 30, in a part for decorative zones 4, is made the pattern of metallochrome three-dimensionally to show visually to see.
In addition, the surperficial protected seam 18 of decorative layer 23 covers.In Fig. 2, at decorative zones 4, be provided with through portion 33, so protective seam 18 is materials of light transmission.But, at decorative zones 4, not arranging in the mode through portion 33, it is light transmission that protective seam 18 is not limited to.
By as illustrated in fig. 2 the surface of decorative layer 23 being covered with protective seam 18, outside the processing that can suppress to be shaped during formed body 12, heat or ejaculation pressure is for the impact of decorative layer 23.
As shown in Figure 2, be formed with the adhesive phase 17 of light transmission the surperficial 18a from the surperficial 14a of undercoat 14 to protective seam 18.The thickness of adhesive phase 17 is 2～15 μ m left and right.
Although it is the experiment of resin that adhesive phase 17 has also been carried out using as described later PC (polycarbonate), inadequate with the close property of the undercoat 14 consisting of propylene resin, produces interface peel between undercoat 14 and adhesive phase 17.
On the other hand, in the situation that adhesive phase 17 is used chlorination vinyl acetates to be resin, the close property between known and undercoat 14 and and the outside formed body 12 that illustrates below between close property excellence.
As shown in Figure 2, at the surperficial 17a of adhesive phase 17, be formed with outside formed body 12.Outside formed body 12 is formed by PMMA (polymethylmethacrylate).In the present embodiment, when being shaped outside formed body 12, can pass through molecular diffusion physisorption etc. by bonding (heat-sealing) between adhesive phase 17 and outside formed body 12.
In addition, as shown in Figure 2, at the inside surface 11b of base film 11, be formed with detecting electrode layer 21 and multilayer wired layer 22.
In Fig. 3, will be formed at the detecting electrode layer 21 of inside surface 11b of base film 11 and wiring layer 22 from outside surface 11a side perspective representation.
Detecting electrode layer 21 is disposed at the transmission region 3 of surface panel 1.As shown in Figure 3, detecting electrode layer 21 is divided into right electrodes 21a and left electrodes 21b.Right electrodes 21a and left electrodes 21b arrange respectively a plurality of, on the upper alternative arrangement of length direction (the diagram above-below direction of Fig. 3) ground of surface panel 1, form.Detecting electrode layer 21 is formed by ITO (indium oxide tin oxide).Detecting electrode layer 21, after the inside surface 11b of the base film 11 consisting of PET film forming, is right electrodes 21a and left electrodes 21b by etch separates.
As shown in Figure 3, wiring layer 22 have respectively the right side wiring layer 22a continuous with right electrodes 21a and respectively with the continuous left side wiring layer 22b of left electrodes 21b.Right side wiring layer 22a and left side wiring layer 22b are drawn back by the interior rear flank of decorative zones 4.As shown in Figure 3, right side wiring layer 22a and left side wiring layer 22b extend to the upper area of decorative zones 4, configure abreast respectively and become wiring lead layer 24.In Fig. 2, the top of wiring layer 22 (the outside surface 11a side of base film 11) decorated layer 23 covers, and therefore, even if operator observes by the outside formed body 12 of surface panel 1, wiring layer 22 also can be hidden and can not be seen by decorated layer 23.
As shown in Figure 2, the formation outwardly from the surface of detecting electrode layer 21 to wiring layer 22 has undercoat 15.Undercoat 15 joins with base film 11, organic insulator 32 at the part place that does not form detecting electrode layer 21, wiring layer 22.
As shown in Figure 2, the surperficial 15a at undercoat 15 is formed with adhesive phase 27.Adhesive phase 27 is similarly that resin forms by chlorination vinyl acetate with the adhesive phase 17 forming in the outside surface 11a of base film 11 side.
And, at the surperficial 27a of adhesive phase 27, be formed with the inner side formed body 13 being formed by PMMA.The thickness of outside formed body 12 and inner side formed body 13 is 200～800 μ m left and right.
As depicted in figs. 1 and 2, form from its upper end with the continuous distribution band 16 of band shape on base film 11, described wiring lead layer 24 forms along distribution band 16.
Right side wiring layer 22a and left side wiring layer 22b and wiring lead layer 24 are in adhesive resin, to contain the organic conductive layers that low-resistance electric conductor forms, such as being silver paste, copper cream or carbon paste etc.The organic conductive layers that forms right side wiring layer 22a and left side wiring layer 22b and wiring lead layer 24 is rich in flexibility than the ITO that forms detecting electrode layer 21.That is, high than ITO with respect to equally loaded extensibility, the rate of curving.
In the formation operation of right side wiring layer 22a and left side wiring layer 22b and wiring lead layer 24, film forming organic conductive layers on the ITO layer of inside surface 11b that is formed at base film 11, forms the pattern of detecting electrode layer 21 and right side wiring layer 22a, left side wiring layer 22b and wiring lead layer 24 by etching work procedure.Then, utilize etching work procedure to remove the organic conductive layers on detecting electrode layer 21 surface.
Or, also can in printing process, utilize organic conductive layers to form right side wiring layer 22a and left side wiring layer 22b and wiring lead layer 24.
As shown in Figure 2, the wiring lead layer 24 with a plurality of Wiring patterns extends along the inside surface of distribution band 16, at the leading section of distribution band 16, is formed with respectively the connector electrode 25 with each Wiring pattern conducting of wiring lead layer 24.In addition, the wiring lead layer 24 that is formed at the inside surface 16b of distribution band 16 is covered by organic insulator 26.
As shown in Figure 2, in surface panel 1, at panel outer surface 1a place, the surface of outside formed body 12 is covered by sealer 28, and at panel inner surface 1b place, the surface of inner side formed body 13 is covered by sealer 28.In addition, the panel end face 1c on four limits of surface panel 1 is all covered by sealer 28.The distribution band 16 as a part for base film 11 is extended on one side from the panel end face 1c on four limits, but this panel end face 1c except extending the part of distribution band 16, all the other are covered by sealer 28.
Fig. 4 represents the surface panel 201 of the second embodiment of the present utility model.In this embodiment, performance is marked identical Reference numeral and described with the member of the inscape identical function of the surface panel 1 of the first embodiment.
In addition, at the outside surface 11a of base film 11, be formed with undercoat 14, on its surface, be formed with decorative layer 23.In addition, the surperficial protected seam 18 of decorative layer 23 covers, and the formation outwardly from undercoat 14 to protective seam 18 has adhesive phase 17.And, on the surface of adhesive phase 17, be formed with outside formed body 12.
In the molding procedure of above-mentioned formed body 12,13, at surface panel 201, form panel outer surface 201a and panel inner surface 201b, and form the 201d of panel bending portion at four sides or two sides, thereby surface panel 201 becomes three-dimensional shape.Consequently, panel end face 201c diagram down.Described decorative layer 23 is set to the 201d of panel bending portion from the surrounding of panel outer surface 201a.
And panel outer surface 201a, panel inner surface 201b, the 201d of panel bending portion and panel end face 201c are covered by sealer 28 above.This surface panel 201 is as the part of the table side of the framework of mobile electronic apparatus etc. and use.
It should be noted that, as shown in Figure 4, in the inner side of the 201d of panel bending portion, detecting electrode layer 51 is also set, at sidepiece, also can form the side sensor of the contact that detects finger.
In the 3rd embodiment shown in Fig. 5, be with the first embodiment difference shown in Fig. 2, form the structure that decorative zones 4 is not set and only has transmission region 3.It should be noted that, in the embodiment shown in Fig. 5, also at the outside surface 11a of base film 11, be formed with successively undercoat 14, adhesive phase 17 and outside formed body 12.
In addition, at the inside surface 11b of base film 11, be formed with successively undercoat 15, adhesive phase 27 and inner side formed body 13.
In the embodiment shown in Fig. 5, can arrange in addition and possess the surface panel of decorative zones or the whole mask shown in assembly drawing 5 has light transmission in framework of electronic equipment etc. surface panel.
In addition, in the mode shown in Fig. 5, different from Fig. 2, do not form sealer 28.In the embodiment and other embodiment of Fig. 2, be preferably formed sealer 28, be difficult for producing damage, crooked, but also can be for not forming the mode of sealer 28.
In the 4th embodiment shown in Fig. 6, at the outside surface 11a that is positioned at decorative zones 4 of base film 11, be directly formed with decorative layer 23.And, from the outside surface 11a of base film 11 to cover decorative layer 23 protective seam 18 surperficial 18a be formed with undercoat 14.If the material that protective seam 18 is identical with undercoat 14, can not form yet.And, in the surperficial 14a integral body of undercoat 14, be formed with adhesive phase 17, at the surperficial 17a of adhesive phase 17, be formed with outside formed body 12.
It should be noted that, the structure of the inside surface 11b side of base film 11 is identical with Fig. 2, and therefore description thereof is omitted.
In Fig. 6, by the outside surface 11a to base film 11, implement the formability that pre-treatment improves printing, can directly on the base film 11 being formed by PET, print and form decorative layer 23.Or, also can use printing method in addition on the outside surface 11a of base film 11, directly to form decorative layer 23.
The 5th embodiment shown in Fig. 7 is the variation of the mode shown in Fig. 2, different from the embodiment shown in Fig. 2, does not form inner side formed body 13.It should be noted that, owing to not forming inner side formed body 13, therefore, undercoat 15 and adhesive phase 27 need to be set at the inside surface 11b of base film 11, but preferably the surface of detecting electrode layer 21 and wiring layer 22 is covered with the protective seam 29 of light transmission.For example, protective seam 29 can be used the propylene resin identical with undercoat.
Fig. 8 represents an example of the manufacture method of described surface panel 1.
In manufacturing process, at the inside surface 11b of the base film 11 being formed by PET film, form detecting electrode layer 21, reflection horizon 31, organic insulator 32, wiring layer 22 and wiring lead layer 24.
Then, at the outside surface 11a of base film 11 overall printing, form the undercoat 14 being formed by propylene resin.After having printed undercoat 14, undercoat 14 is implemented to drying process.Preferred undercoat 14 is used isocyanate ester constrictive type acrylic resin.The base film 11 being formed by PET due to crystallization thermotolerance compare Gao, functional group less, therefore be to be difficult for bonding material substantially, but the urethane bonds being used between the undercoat 14 that comprises isocyanate ester can will be close between base film 11 and undercoat 14 securely.
Then, the part printing at the decorative zones 4 of the surperficial 14a of undercoat 14 forms decorative layer 23.Decorative layer 23 is for example the propylene resin that comprises pigment.By printing on undercoat 14, form decorative layer 23, can make the formability of decorative layer 23 good, can suitably on decorative zones 4, form decorative layer 23.Especially in this embodiment, decorative layer 23 is used propylene resin of the same race with undercoat 14, therefore, can improve the close property between decorative layer 23 and undercoat 14.
As shown in Figure 8, the surface printing at decorative layer 23 forms protective seam 18.For example, protective seam 18 is used the propylene resin that does not comprise pigment.Protective seam 18 can be used identical propylene resin with undercoat 14.
And, as shown in Figure 8, print that to form by chlorination vinyl acetate be the adhesive phase 17 that resin (vinyl chloride-vinyl acetate copolymer etc.) forms the surperficial 18a from the surperficial 14a of undercoat 14 to protective seam 18.After having printed adhesive phase 17, adhesive phase 17 is implemented to drying process.
In addition, as shown in Figure 8, on the surface of detecting electrode layer 21, the surface of wiring layer 22, the inside surface 11b of base film 11 exposing and the surface printing of organic insulator 32 form the undercoat 15 consisting of propylene resin.After having printed undercoat 15, undercoat 15 is implemented to drying process.
Then, the surperficial 15a printing formation at undercoat 15 is the adhesive phase 27 that resin (vinyl chloride-vinyl acetate copolymer etc.) forms by chlorination vinyl acetate.After having printed adhesive phase 27, adhesive phase 27 is implemented to drying process.
Then, the surperficial 17a at adhesive phase 17 forms the outside formed body 12 consisting of PMMA.
As shown in Fig. 8 (A), the base film 11 that is formed with described each layer is arranged to the inside of one- time forming die 41a, 41b, in the inside surface 11b of base film 11 side, be formed with die cavity 42.In this die cavity, with molten condition, penetrate PMMA, thereby form outside formed body 12.Now, by molecular diffusion physisorption etc., by bonding (heat-sealing) between outside formed body 12 and adhesive phase 17, can make to be close to securely each other.
As shown in Fig. 8 (B), base film 11 and the outside formed body 12 with each layer become one, and are arranged on the inside of secondary forming die 43a, 43b, in the inside surface 11b of base film 11 side, form die cavity 44.In this die cavity 44, with molten condition, penetrate PMMA, thereby form inner side formed body 13.According to present embodiment, can will between the base films such as PET 11 and the outside being formed by PMMA formed body 12, be close to securely.
Afterwards, on panel outer surface 1a and panel inner surface 1b and panel end face 1c, form the sealer 28 as hard conating.In the coating operation of sealer 28; by forming, have the inside that object that the base film 11 of each layer and outside formed body 12 and inner side formed body 13 form impregnated in the molten resin of UV cured property, the surface beyond the teat of distribution band 16 applies molten resin.Then, irradiation ultraviolet radiation and make molten resin sclerosis, thus form sealer 28.
It should be noted that, also can with the operation of Fig. 8 on the contrary, with respect to thering is formed body 13 inside the first moulding of base film 11 of each layer, formed body 12 outside moulding then, base film 11 and outside formed body 12 and inner side formed body 13 is integrated.
The manufacture method of the surface panel 1 shown in Fig. 8 is the manufacture method of the surface panel 1 shown in Fig. 2, but each surface panel shown in Fig. 4～Fig. 7 also can the manufacture method based on shown in Fig. 8 be manufactured.
According to present embodiment, while engaging between by the base film being formed by PET 11 and the outside formed body 12 that formed by PMMA, outside surface 11a at base film 11 forms the undercoat 14 consisting of propylene resin, at the surperficial 14a of undercoat 14, forming is the adhesive phase 17 that resin forms by chlorination vinyl acetate, at the surperficial 17a of adhesive phase 17, forms outside formed body 12.Thus, can be by between base film 11 and undercoat 14, between outside formed body 12 and adhesive phase 17 and be close to securely between undercoat 14 and adhesive phase 17, therefore, can the peel strength between base film 11 and outside formed body 12 be kept enough greatly.For example, in the present embodiment, can obtain peel strength more than 10N.
For example, in the situation that only using undercoat 14, excellent with the close property of the base film 11 being formed by PET, but can not suitably be close to the outside formed body 12 being formed by PMMA, in addition, in the situation that only using adhesive phase 17, be suitably close to the outside formed body 12 being formed by PMMA, but be not close to the base film 11 being formed by PET.
In the present embodiment, except obtaining the close property between the base film 11 being formed by PET and the outside formed body 12 being formed by PMMA, can also obtain good optical characteristics.At this, optical characteristics can be using transmissivity, mist degree (HAZE) as index.The assay method of transmissivity based on JIS K7361, can utilize HM-150 haze meter (color skill Intraoperative institute system in village) to measure.In addition, the assay method of mist degree based on JIS K7136, utilizes HM-150 haze meter (color technical institute system in village) to measure.
Present embodiment can obtain approximately more than 90% transmissivity, preferred approximately more than 92% transmissivity.In addition, can obtain the mist degree below 2.0%, preferably the mist degree below 1.0%.
So, according to present embodiment, can will between the base film being formed by PET 11 and the outside being formed by PMMA formed body 12, be close to securely (set), and can obtain excellent optical characteristics.
In the present embodiment, as shown in Fig. 2～Fig. 6, at the inside surface 11b of base film 11, also form the undercoat 15 that formed by propylene resin, by chlorination vinyl acetate, be the adhesive phase 27 that forms of resin and the inner side formed body 13 being formed by PMMA.Thus, can will between the base film being formed by PET 11 and the inner side being formed by PMMA formed body 13, be close to securely (set), and can obtain excellent optical characteristics.
In addition; surface panel 1 shown in Fig. 2～Fig. 6 is centered by base film 11; stacked undercoat 14, adhesive phase 17, outside formed body 12 and sealer 28 in outside; stacked undercoat 15, adhesive phase 27, inner side formed body 13 and sealer 28 in inner side, stepped construction outside and inner side are symmetrical.Therefore,, in outside and inner side, the stress difference of effect, stress difference that temperature variation causes are minimum when engaging.Therefore, be difficult for producing crooked, warpage.
In addition, as shown in Figure 2, the sealer 28 that all panel end face 1c on four limits of surface panel 1 are used as hard conating covers.At panel end face 1c; base film 11 exposes with the end at the junction surface of inner side formed body 13 with end and the base film 11 at the junction surface of outside formed body 12; but the end at these junction surfaces is covered by sealer 28; therefore, can effectively prevent that outside surface 11a, inside surface 11b intrusion moisture or intrusion along base film 11 from having etchant gas.But, also can be for not forming the scheme of sealer 28.
As shown in Figure 1, in using the portable equipment of this surface panel 1, the display frame of display device and the inner side of transmission region 3 of being located at framework 2 inside are opposed, and the transmission region 3 that sees through the light transmission of surface panel 1 can visually be seen displaying contents.According to present embodiment, the transmissivity that can make transmission region 3 is up to approximately more than 90%, and mist degree is suppressed to such an extent that be low to moderate approximately below 2%, can make the optical characteristics of transmission region 3 excellent.
In addition; outside can be visual seeing the transmission region 3 use finger touch of display frame during the sealer 28 on formed body 12 surfaces; the electric capacity detecting between output and finger and arbitrary detecting electrode layer 21 correspondingly changes, and can detect which position of finger touch transmission region 3.
Surface panel of the present utility model is not limited to be used in the housing that the portable equipment of above-mentioned embodiment is used, can as the telepilot that various electric products are operated, other electronic equipment housing a part and use.
Embodiment
Formation has the surface panel of the cross-section structure shown in Fig. 2.
Manufacture embodiment 1～3 and the comparative example 1～5 shown in following table 1.
Table 1
| Test portion | Base material | Undercoat | Bonding agent | Peel strength (N/15mm) | Transmissivity (%) | HAZE(％) | Moulding material |
| Comparative example 1 | PET | Polyester system | PC system+PMMA system | Zero PET break (more than 15N) | ○90 | ×14.9 | PMMA |
| Comparative example 2 | PET | Polyester system | PC system | Zero 10N moulding material interface peel | ○89.8 | ×5.5 | PMMA |
| Comparative example 3 | PET | Polyester system | PC system | Zero 11N (bonding agent cohesion destroys) | ○90.5 | ×5.6 | PMMA |
| Comparative example 4 | PET | Propylene system | PC system | * 0.6N undercoat-adhesive interface is peeled off | ○92.2 | ○1.3 | PMMA |
| Comparative example 5 | PET | Propylene system | PC system | * 0.15N undercoat-adhesive interface is peeled off | ○91.6 | ○0.9 | PMMA |
| Embodiment 1 | PET | Propylene system | Chlorination vinyl acetate system | Zero PET break (more than 15N) | ○92.3 | ○1.3 | |
| Embodiment | |||||||
| 2 | PET | Propylene system | Chlorination vinyl acetate system | Zero PET break (more than 15N) | ○92.5 | ○1.3 | |
| Embodiment | |||||||
| 3 | PET | Propylene system | Chlorination vinyl acetate system | Zero 10N (bonding agent cohesion destroys) | ○91.9 | ○0.8 | PMMA |
As shown in table 1, embodiment and comparative example are base film 11 and are formed by PET film, and formed body 12,13 is formed by PMMA.The thickness of base film 11 is approximately 50 μ m.The thickness of formed body 12,13 is respectively approximately 450 μ m.PET film is used identical film.In addition, as shown in table 1,
About PMMA, prepare different multiple of manufacturer.It should be noted that, in embodiment and comparative example, the thickness of slab of surface panel integral body is about 1.1mm.
In the comparative example 1～3 of table 1, as undercoat, use polyester based resin (kingdom's ink is manufactured IPx VICTORIA or the MIB medium of (Co., Ltd.)).On the other hand, in comparative example 4,5 and embodiment 1～3, as undercoat, use propylene resin (kingdom's ink is manufactured the MIX medium of (Co., Ltd.)).It should be noted that, the thickness of each undercoat is 4 μ m.Printing forms each undercoat, then each undercoat is implemented to drying process.
In addition, in the comparative example 1 of table 1, as adhesive phase, using PC is that resin and PMMA are the hybrid resin (kingdom's ink is manufactured the IMB006 of (Co., Ltd.)) of resin.In addition, in comparative example 2～5, as adhesive phase, using PC is resin (kingdom's ink is manufactured the IMB009 of (Co., Ltd.)).In addition, in embodiment 1～3, as adhesive phase, using chlorination vinyl acetate is resin (JT27 of (Co., Ltd.) Seiko ink).It should be noted that, the thickness of each adhesive phase is 3 μ m.Surface printing at each undercoat forms each adhesive phase, then, each adhesive phase is implemented to drying process.
Use each formed body 12,13 that is shaped of the manufacture method shown in Fig. 8.Ejaculation pressure is now about 270MPa, and melt temperature is approximately 105 ℃.
In addition, as the comparative example 1～4 of table 1, the moulding material of embodiment 1, use PMMA (ACRYPET (registered trademark) IRK304 of the beautiful sun of Mitsubishi (Co., Ltd.)), as a comparative example 5 and the moulding material of embodiment 3, use PMMA (PLEXIGLAS (registered trademark) HW55 of Japanese Daicel-Ying Chuan company system), as the moulding material of embodiment 2, use PMMA (SUMIPEX (registered trademark) HT25 of Sumitomo Chemical (Co., Ltd.)).
Then, measure peel strength, transmissivity and the mist degree of the comparative example 1～5 of manufacture and each surface panel of embodiment 1～3.Peel strength by pull open direction between formed body 12,13 apply power measure produce peel off, power while producing be full of cracks in layer.
In addition, transmissivity and mist degree utilize HM-150 haze meter (color technical institute system in village) to measure.
As shown in Table 1, in embodiment 1～3 and comparative example 1～3, can obtain peel strength more than 10N, can will between the base film being formed by PET 11 and each formed body 12,13, be close to securely (set).
But known as shown in Table 1, in comparative example 1～3, mist degree is more than 5%, optical characteristics variation.
On the other hand, known in embodiment 1～3, can obtain approximately more than 90% transmissivity and the approximately mist degree below 2%, can obtain excellent optical characteristics.
In summary, while engaging between by the base film being formed by PET 11 and the formed body 12,13 that formed by PMMA, surface at base film forms the undercoat consisting of propylene resin, on the surface of undercoat, forming is the adhesive phase that resin forms by chlorination vinyl acetate, surface at adhesive phase forms the formed body consisting of PMMA, thereby can obtain firmly close property and excellent optical characteristics.
Claims (10)
1. a surface panel with measuring ability, this surface panel with measuring ability has transmission region, it is characterized in that,
The described surface panel with measuring ability has:
The base material with the light transmission of outside surface and inside surface;
Be located at the described inside surface of described base material and be positioned at the detecting electrode layer of the light transmission of described transmission region;
Be formed at the undercoat (14) of light transmission of the described outside surface of described base material;
Be formed at the adhesive phase (17) of the surperficial light transmission of described undercoat;
Be formed at the outside formed body of the surperficial light transmission of described adhesive phase,
Described base material is formed by PET, and described outside formed body is formed by PMMA, and described undercoat (14) is formed by propylene resin, and described adhesive phase (17) is that resin forms by chlorination vinyl acetate.
2. the surface panel with measuring ability according to claim 1, is characterized in that,
Described undercoat is isocyanate ester constrictive type acrylic resin.
3. the surface panel with measuring ability according to claim 1 and 2, is characterized in that,
The described surface panel with measuring ability also possesses the decorative zones that surrounds described transmission region,
In described decorative zones, between described undercoat (14) and described adhesive phase (17), be provided with decorative layer.
4. the surface panel with measuring ability according to claim 1 and 2, is characterized in that,
The described surface panel with measuring ability also in the described inner surface side of described base material across undercoat (15) and adhesive phase (27) and be formed with the inner side formed body being formed by PMMA, described undercoat (15) is formed by propylene resin, and described adhesive phase (27) is that resin forms by chlorination vinyl acetate.
5. the surface panel with measuring ability according to claim 3, is characterized in that,
The described surface panel with measuring ability also in the described inner surface side of described base material across undercoat (15) and adhesive phase (27) and be formed with the inner side formed body being formed by PMMA, described undercoat (15) is formed by propylene resin, and described adhesive phase (27) is that resin forms by chlorination vinyl acetate.
6. the surface panel with measuring ability according to claim 3, is characterized in that,
The surperficial protected seam of described decorative layer covers.
7. the surface panel with measuring ability according to claim 1 and 2, is characterized in that,
Not only the outside surface of surface panel (1a) is covered by sealer (28), and all surfaces of inside surface (1b) and end face (1c) are all covered by sealer (28).
8. the surface panel with measuring ability according to claim 4, is characterized in that,
Not only the outside surface of surface panel (1a) is covered by sealer (28), and all surfaces of inside surface (1b) and end face (1c) are all covered by sealer (28).
9. the surface panel with measuring ability according to claim 8, is characterized in that,
Described end face (1c) at surface panel has the end at the junction surface between described base material and described outside formed body and the end at the junction surface between described base material and described inner side formed body, and the end at above-mentioned junction surface is covered by described sealer.
10. the surface panel with measuring ability according to claim 4, is characterized in that,
Centered by described base material; in outside, be laminated with described undercoat (14), described adhesive phase (17), described outside formed body and sealer; stacked undercoat (15), described adhesive phase (27), described inner side formed body and the sealer stated to some extent in inner side, stepped construction is symmetrical in outside and inner side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-232837 | 2012-10-22 | ||
| JP2012232837A JP5768031B2 (en) | 2012-10-22 | 2012-10-22 | Surface panel having detection function and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN203465693U true CN203465693U (en) | 2014-03-05 |
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|---|---|---|---|
| CN201320576432.8U Expired - Lifetime CN203465693U (en) | 2012-10-22 | 2013-09-17 | Surface panel with detection function |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5768031B2 (en) |
| KR (1) | KR101537161B1 (en) |
| CN (1) | CN203465693U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988631B (en) * | 2015-03-05 | 2019-02-19 | 宸鸿科技(厦门)有限公司 | Touch panel and preparation method thereof |
| KR102032630B1 (en) * | 2015-06-26 | 2019-10-15 | 알프스 알파인 가부시키가이샤 | Input device |
| DE112016003061B4 (en) | 2015-07-07 | 2023-05-17 | Alps Alpine Co., Ltd. | input device |
| JP2019144625A (en) * | 2018-02-16 | 2019-08-29 | 富士通コンポーネント株式会社 | Touch panel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003115220A (en) * | 2001-10-05 | 2003-04-18 | Bridgestone Corp | Transparent conductive film and touch panel |
| JP4783547B2 (en) * | 2002-06-24 | 2011-09-28 | 富士フイルム株式会社 | Plastic film and image display device |
| JP4718528B2 (en) * | 2007-08-11 | 2011-07-06 | 株式会社トウ・プラス | Decoration method and decorative non-conductive material |
| JP2010100817A (en) * | 2008-09-26 | 2010-05-06 | Dic Corp | Active energy ray-curable resin composition for coating and film substrate |
-
2012
- 2012-10-22 JP JP2012232837A patent/JP5768031B2/en active Active
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Also Published As
| Publication number | Publication date |
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| KR20140051055A (en) | 2014-04-30 |
| JP2014085753A (en) | 2014-05-12 |
| JP5768031B2 (en) | 2015-08-26 |
| KR101537161B1 (en) | 2015-07-15 |
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Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
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