CN203178964U - Protective cover plate - Google Patents
Protective cover plate Download PDFInfo
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- CN203178964U CN203178964U CN 201320145370 CN201320145370U CN203178964U CN 203178964 U CN203178964 U CN 203178964U CN 201320145370 CN201320145370 CN 201320145370 CN 201320145370 U CN201320145370 U CN 201320145370U CN 203178964 U CN203178964 U CN 203178964U
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- spacer region
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- adhesive layer
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Abstract
A protective cover plate comprises a basic layer, an adhesive layer and a pattern layer, wherein the adhesive layer is located on one side of the basic layer and attached to the frame area, the adhesive layer comprises a first spacer area and an adhesive area, the shape of the first spacer area and the shape of the adhesive area are complementary, the pattern layer is attached to the adhesive layer and is located on one side, away from the basic layer, of the adhesive layer, the pattern layer comprises a second spacer area and a pattern area, the shape of the second spacer area and the shape of the pattern area are complementary, the pattern area is attached to the adhesive area, and the first spacer area and the second spacer area are arranged in a stacking mode. Therefore, the mobile phone cover plate gives a strong stereoscopic impression. Due to the fact that the pattern layer and the adhesive layer are bonded together and then directly attached to the basic layer, a film layer is eliminated, the thickness of the protective cover plate is decreased, raw materials are saved, and production cost is reduced.
Description
Technical field
The utility model relates to the touch screen technology field, particularly relates to a kind of cover sheet.
Background technology
Touch panel device obtains popular approval because it is sturdy and durable, reaction velocity fast, save the space, plurality of advantages such as be easy to exchange, and it is a kind of fairly simple, convenient, natural human-computer interaction device comparatively speaking at present.Touch-screen has obtained widely to use in many electronic products, as: mobile phone, palm PC (Personal Digital Assistant, PDA), multimedia equipment etc.
Along with development of science and technology, the industry competition aggravation, touch-screen producer attracts people's eyeball constantly by every means.The touch-screen that has strong modelling effect at present mainly comprises cover sheet, cementing agent and has the film of space pattern.Mainly be formed at film by the patterned layer that will have modelling effect earlier; the film of the patterned layer with modelling effect that will make again pastes a side at cover sheet by cementing agent, with the complex of the cover sheet that obtains having strong modelling effect.
But above-mentioned making flow process because used thin film and cementing agent, and has increased attaching process one, so increased cost of manufacture, causes cost higher, has also increased the thickness of touch screen protective cover plate simultaneously.
The utility model content
Based on this, being necessary provides a kind of cover sheet that can reduce thickness, reduce production costs at having increased cover sheet thickness, having increased cost of manufacture so that cost problem of higher.
A kind of cover sheet comprises cover plate basic unit, and described cover plate basic unit comprises viewing area and frame region, and described viewing area and described frame region are complementary, and described viewing area explicit user operation interface also comprises:
Adhesive layer, described adhesive layer are positioned at a side of described cover plate basic unit and are attached at described frame region, comprise first spacer region and adhesive area, described first spacer region and described adhesive area shape complementarity;
Patterned layer, described patterned layer is attached at described adhesive layer, and is positioned at described adhesive layer away from a side of described cover plate basic unit, comprises second spacer region and pattern area, described second spacer region and described pattern area shape complementarity;
Described pattern area is attached at described adhesive area, and described first spacer region and described second spacer region overlap.
Among embodiment, described first spacer region and described second spacer region are latticed therein.
Among embodiment, the width d of described first spacer region and described second spacer region is 50 μ m-200 μ m therein.
Among embodiment, also comprise ink lay therein, described ink lay is filled in described first spacer region, described second spacer region and described patterned layer away from a side of described cover plate basic unit.
Among embodiment, the thickness h 1 of described patterned layer is 2 μ m-5 μ m therein.
Among embodiment, the thickness h 2 of described adhesive layer is 2 μ m-5 μ m therein.
Above-mentioned cover sheet is because adhesive layer and patterned layer all have spacer region; so have stronger stereoscopic sensation; adopt the hot pressing transfer technique that the thermoprint material directly is transferred in the cover plate basic unit simultaneously; make the bonding formation one of patterned layer and adhesive layer and directly be attached at cover plate basic unit; so has saved thin layer, thereby reduced the thickness of cover sheet, and this manufacturing approach craft is simple; conservation has reduced production cost.
Description of drawings
Fig. 1 is the structural representation of cover sheet;
Fig. 2 is the structural representation at another visual angle of cover sheet;
Fig. 3 is the structural representation at another visual angle of cover sheet;
Fig. 3 A is the partial schematic diagram of A among Fig. 3;
Fig. 4 is the structural representation of another embodiment of cover sheet;
Fig. 5 is the process flow diagram of the method for making of cover sheet;
Fig. 6 is the structural representation of impression formboard;
Fig. 7 is the structural representation of another embodiment of impression formboard.
Embodiment
Come the utility model is described further below in conjunction with the drawings and the specific embodiments.
See also Fig. 1, Fig. 2, Fig. 3 and Fig. 3 A, a kind of cover sheet 100 comprises cover plate basic unit 110, adhesive layer 120 and patterned layer 130.Wherein said cover plate basic unit 110 comprises viewing area 112 and frame region 114, viewing area 112 is complementary with frame region 114, described viewing area 112 explicit user operation interfaces, described frame region 114 is light tight, increased the contrast of viewing area 112 with frame region 114, made viewing area 112 pictures brighter.Adhesive layer 120 is positioned at a side of described cover plate basic unit 110 and is attached at described frame region 114, and described adhesive layer 120 comprises first spacer region 122 and adhesive area 124, the first spacer regions 122 and adhesive area 124 shape complementarities.Patterned layer 130 is attached at described adhesive layer 120, and is positioned at described adhesive layer 120 away from a side of described cover plate basic unit 110, and described patterned layer 130 comprises second spacer region 132 and pattern area 134, the second spacer regions 132 and pattern area 134 shape complementarities.Wherein, pattern area 134 is attached at adhesive area 124, the first spacer regions 122 and second spacer region 132 overlaps.
Above-mentioned cover sheet 100, because adhesive layer 120 is provided with first spacer region 122 and adhesive area 124, first spacer region 122 makes the adhesive area 124 of adhesive layer be interrupted distribution, patterned layer 130 is provided with second spacer region 132 and pattern area 134, second spacer region 132 makes the pattern area 134 of patterned layer be interrupted distribution, has strengthened stereoscopic sensation; Pattern area 134 figure of being with of patterned layer itself has stereoscopic sensation again, so make cover sheet have stronger stereoscopic sensation.And patterned layer 130 directly is attached at adhesive layer 120, and with adhesive layer 120 bonding formation one, adhesive layer 120 directly is attached at the frame region 114 of cover plate basic unit 110, so saved thin layer of the prior art, has reduced the thickness of cover sheet.
In present embodiment, the material of patterned layer 130 can be electrochemical aluminium, and the patterned layer 130 with second spacer region has stronger modelling effect, and the user uses when having the touch-screen of this cover sheet, has strengthened user's experience sense.Certainly, in other embodiment, the material of patterned layer 130 can also be copper, zinc etc., can select corresponding material according to different colors.
In present embodiment, described cover plate basic unit 110 can be hard transparent material or polyethylene terephthalate (polyethylene terephthalate such as glass, acrylic board, PET) film, polycarbonate (Polycarbonate, PC) at least a in the flexible clear materials such as film.Described adhesive layer 120 can adopt thermosetting epoxy resin, when heating back adhesive layer 120 can solidify, forms solid shape, increases the degree of adhesion of adhesive layer 120, and is better that adhesive-layer 120 is bonding with patterned layer 130, cover plate basic unit 110 respectively, the formation one.
In present embodiment, described first spacer region 122 and described second spacer region 132 are latticed.First spacer region 122 and adhesive area 124 shape complementarities are so that adhesive area 124 also forms is latticed.Second spacer region 132 and pattern area 134 shape complementarities are so that pattern area 134 also forms is latticed.Thereby the cover sheet that makes formation has stronger modelling effect.Certainly; in other embodiment; when first spacer region 122 and second spacer region 132 are strip; also can realize the purpose that adhesive area 124 and pattern area 134 are interrupted distribution; can reach yet and make cover sheet have stronger relief effect, be not necessary so described first spacer region 122 and described second spacer region 132 are latticed.
See also Fig. 3 A, the scope of the width d of described first spacer region 122 and described second spacer region 132 can be 50 μ m-200 μ m.Adhesive layer 120 impresses by the relief printing plate mode, and the protuberance of impression formboard is pressed adhesive layer 120 and patterned layer 130, in the process of heating, after being heated, adhesive layer 120 solidifies, form solid shape, degree of adhesion increases, so patterned layer 130 can fit in adhesive layer 120 more closely.The recess of impression formboard is not pressed adhesive layer 120 and patterned layer 130, adhesive layer 120 is not heated yet, so the adhesive layer 120 that contacts with recess can not be heated, in the process of peeling off, not peeled off together by part adhesive layer 120 and the part patterned layer 130 of heat curing, form the adhesive layer 120 with first spacer region 122 and adhesive area 124 and the patterned layer 130 with second spacer region 132 and pattern area 134.When the width of first spacer region 122 and second spacer region 132 was too big, modelling effect was not obvious; When the width of first spacer region 122 and second spacer region 132 too hour, complex process and having relatively high expectations is so all be located at the scope of the width d of first spacer region 122 and second spacer region 132 between the 50 μ m-200 μ m.
See also Fig. 4, in present embodiment, can also comprise ink lay 140, described ink lay 140 is filled in described first spacer region 122, described second spacer region 132 and described patterned layer 130 away from a side of described cover plate basic unit.Ink lay 140 is for having the high printing ink that hides performance.Ink lay 140 fills up first spacer region 122 of adhesive layer 120 formation and second spacer region 132 that patterned layer 130 forms; and also be coated with ink lay 140 in patterned layer 130 away from cover plate basic unit 110 those sides; to guarantee not light leak of cover sheet 100; and covered the lead-in wire of touch-screen, further improved the customer experience sense.It is to be noted; even described cover sheet 100 does not arrange ink lay 140; and apply printing ink in the frame region corresponding position of touch-screen and cover sheet, and also be the purpose that can reach shading, be not necessary so ink lay 140 is arranged on the cover sheet 110.
Please consult Fig. 3 A again, in present embodiment, the scope of the thickness h 1 of described patterned layer 130 can be 2 μ m-5 μ m.The scope of the thickness h 2 of described adhesive layer 120 can be 2 μ m-5 μ m.So that patterned layer 130 and adhesive layer 120 have enough intensity in the pressing process, and guarantee in the process of follow-up heating process step, to have heat transmission preferably.Adhesive layer 120 is too thick simultaneously, is unfavorable for the transparence of cover sheet.
Please consult Fig. 3 A again, in present embodiment, the scope of the thickness h 3 of described cover plate basic unit 110 can be 50 μ m-700 μ m.When the thickness of cover plate basic unit 110 was more big, then light transmission was bad, and intensity is good; When the thickness of cover plate basic unit 110 more hour, then light transmission is good, and intensity is bad, so the scope of the thickness h 3 of cover plate basic unit 110 can be all better for 50 μ m-700 μ m light transmissions and intensity.
See also Fig. 5, accordingly, also provide a kind of method for making of making this cover sheet, specifically may further comprise the steps:
Step S110 places described cover plate basic unit 110 surfaces with thermoprint material 300.In 300 effects of thermoprint material, proceed subsequent technique for impression formboard 200.Described thermoprint material 300 comprises base membrane layer 310, release layer 320, patterned layer 130 and the adhesive layer 120 that edge close described cover plate basic unit 110 directions stack gradually.Base membrane layer 310 materials are PET, PC, pi (Polyimide, PI) high temperature resistant, stretch-proof material such as resin.Base membrane layer 310 plays a supportive role, and can keep stable in pressing step and follow-up transfer step by above-mentioned several high temperature resistant, base membrane layers 310 that the stretch-proof material forms.The material of release layer 320 can be easy to the material that patterned layer is peeled off for organic siliconresin, paraffin etc., and release layer 320 is conducive to the follow-up strip step of carrying out.The material of patterned layer 130 can be electrochemical aluminium, and patterned layer 130 has stronger modelling effect, and the user uses when having the touch-screen of this cover sheet, has strengthened user's experience sense.Adhesive layer 120 adopts thermosetting polymers such as epoxy resin, and solidify the back that is heated, and forms solid shape.Thermoprint material 300 herein can be stamping systems.
Step S120, pressing is exerted pressure by 200 pairs of thermoprint materials 300 of impression formboard.Be the structural representation of impression formboard 200 as shown in Figure 6 and Figure 7, the pattern part of impression formboard 200 adopts the relief printing plate mode to process, and impression formboard 200 comprises protuberance 210 and recess 220.Consider the thickness of patterned layer 130 and adhesive layer 120, the height h of the protuberance 210 of impression formboard 200 is 5-10 μ m.Protuberance 210 is pressed stamping systems, makes part stamping systems and 110 pressings of described cover plate basic unit.Recess 220 is not exerted pressure, and the stamping systems that contacts with recess 220 is pressurized not, not with 110 pressings of cover plate basic unit.
Step S130, heating.To heat with the described thermoprint material 300 of part of described cover plate basic unit 110 pressings.I.e. heating and impression formboard protuberance 210 contacted thermoprint material parts.The protuberance 210 of impression formboard provides heat, heat is passed to thermoprint material 300 by the protuberance 210 of impression formboard, after being heated, the adhesive layer 120 of thermoprint material solidifies, form solid shape, and degree of adhesion increases, make bonding tightr until being combined as a whole of the patterned layer 130 of thermoprint material and adhesive layer 120, and be attached at described cover plate basic unit 110.
Step S140, peel off, to partly not peel off with the thermoprint material of described cover plate basic unit 110 pressings, with the patterned layer 130 that obtains having the adhesive layer 120 of first spacer region 122 and adhesive area 124 and have second spacer region 132 and pattern area 134, described first spacer region 122 and described adhesive area 124 shape complementarities, described second spacer region 132 and described pattern area 134 shape complementarities, described adhesive area 124 and described pattern area 134 are overlapping, and described first spacer region 122 and described second spacer region 132 are overlapping.The thermoprint material part of impression formboard recess 220 contacts is pressurized not, do not heat yet, so can not solidify, when release layer 320 is peeled off, be easy to partially torn with in release layer 320 and the patterned layer 130 that contacts with impression formboard recess 220 and the adhesive layer 120, form the adhesive layer 120 with first spacer region 122 and gluing 124 districts and the patterned layer 130 with second spacer region 132 and pattern area 134.In present embodiment, the scope of the thickness h 1 of patterned layer 130 can be 2 μ m-5 μ m, the scope of the thickness h 2 of adhesive layer 120 can be 2 μ m-5 μ m, the scope of the thickness H of thermoprint material 300 can be 12 μ m-16 μ m, so that thermoprint material 300 has enough intensity, and guarantee in follow-up heating steps, to have heat transmission preferably.
Above-mentioned cover sheet method for making; utilize the hot pressing transfer technique earlier thermoprint material 300 to be carried out pressing with cover plate basic unit 110; the thermoprint material that will contact with impression formboard protuberance 210 partly heats then; make adhesive layer 120 solidify to form solid shape; by peeling off release layer 310 and base membrane layer 320 and the thermoprint material that do not carry out pressing and heating are partly peeled off again; formation has the adhesive layer 120 of first spacer region 122 and adhesive area 124 and has the patterned layer 130 of second spacer region 132 and pattern area 134; so have stronger modelling effect; adhesive layer 120 and patterned layer 130 all are attached in the cover plate basic unit 110 by the mode of direct transfer printing; and omitted the step of using film; so cover sheet thickness reduces; and this method for making technology is simple; save material; be easy to large tracts of land production, can effectively reduce production costs.
In present embodiment, after peeling off, described step S140 also comprises step S150, apply.All apply printing ink in described first spacer region 122, second spacer region 132 and described patterned layer 130 away from a side of described cover plate basic unit, to form ink lay 140.The effect of ink lay 140 is to guarantee not light leak of cover sheet 100, and covers the lead-in wire of touch-screen, so ink lay 140 uses the printing ink with high performance that hides.And all apply printing ink at first spacer region 122, second spacer region 132 with away from a side of cover plate basic unit 110, to guarantee not light leak of cover sheet 100, improve the contrast of viewing area 112 and frame region 114, improve the customer experience sense.
In present embodiment, institute's applied pressure size is 4kg/cm among the described pressing step S120
2-10kg/cm
2, be 1s-25s the action time of pressure.Be 4kg/cm in the pressure size
2-10kg/cm
2Effect under act on 1s-25s, be conducive to bonding tightr of the patterned layer 130 of thermoprint material and adhesive layer 120, until forming one.Temperature during described the heating is 100 ℃-220 ℃.The thermotolerance of general thermosetting epoxy resin is 80-100 ℃, so heating-up temperature is arranged on 100 ℃-220 ℃, is conducive to adhesive layer 120 and solidifies more fully.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. a cover sheet comprises cover plate basic unit, and described cover plate basic unit comprises viewing area and frame region, and described viewing area and described frame region are complementary, and described viewing area explicit user operation interface is characterized in that, also comprises:
Adhesive layer, described adhesive layer are positioned at a side of described cover plate basic unit and are attached at described frame region, comprise first spacer region and adhesive area, described first spacer region and described adhesive area shape complementarity;
Patterned layer, described patterned layer is attached at described adhesive layer, and is positioned at described adhesive layer away from a side of described cover plate basic unit, comprises second spacer region and pattern area, described second spacer region and described pattern area shape complementarity;
Described pattern area is attached at described adhesive area, and described first spacer region and described second spacer region overlap.
2. cover sheet according to claim 1 is characterized in that, described first spacer region and described second spacer region are latticed.
3. cover sheet according to claim 1 is characterized in that, the width d of described first spacer region and described second spacer region is 50 μ m-200 μ m.
4. cover sheet according to claim 1 is characterized in that, also comprises ink lay, and described ink lay is filled in described first spacer region, described second spacer region and described patterned layer away from a side of described cover plate basic unit.
5. cover sheet according to claim 1 is characterized in that, the thickness h 1 of described patterned layer is 2 μ m-5 μ m.
6. cover sheet according to claim 1 is characterized in that, the thickness h 2 of described adhesive layer is 2 μ m-5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145370 CN203178964U (en) | 2013-03-27 | 2013-03-27 | Protective cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145370 CN203178964U (en) | 2013-03-27 | 2013-03-27 | Protective cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178964U true CN203178964U (en) | 2013-09-04 |
Family
ID=49075634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320145370 Expired - Fee Related CN203178964U (en) | 2013-03-27 | 2013-03-27 | Protective cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461098A (en) * | 2013-09-22 | 2015-03-25 | 联想(北京)有限公司 | Touch display device and manufacturing method thereof |
| CN109239815A (en) * | 2017-07-10 | 2019-01-18 | 上海箩箕技术有限公司 | Cover board and forming method thereof, cover board motherboard, electronic equipment |
| CN114613259A (en) * | 2020-12-03 | 2022-06-10 | 乐金显示有限公司 | Display device |
-
2013
- 2013-03-27 CN CN 201320145370 patent/CN203178964U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461098A (en) * | 2013-09-22 | 2015-03-25 | 联想(北京)有限公司 | Touch display device and manufacturing method thereof |
| CN109239815A (en) * | 2017-07-10 | 2019-01-18 | 上海箩箕技术有限公司 | Cover board and forming method thereof, cover board motherboard, electronic equipment |
| CN114613259A (en) * | 2020-12-03 | 2022-06-10 | 乐金显示有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20190327 |