CN109144324B - Protection cover plate assembly, touch screen and manufacturing method of protection cover plate assembly - Google Patents
Protection cover plate assembly, touch screen and manufacturing method of protection cover plate assembly Download PDFInfo
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- CN109144324B CN109144324B CN201811026914.XA CN201811026914A CN109144324B CN 109144324 B CN109144324 B CN 109144324B CN 201811026914 A CN201811026914 A CN 201811026914A CN 109144324 B CN109144324 B CN 109144324B
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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
- G06F3/0412—Digitisers structurally integrated in a display
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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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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a protective cover plate component, a touch screen and a manufacturing method of the protective cover plate component, wherein the protective cover plate component comprises a cover plate body; the covering ink layer is arranged on the cover plate body and divides the cover plate body into a display area and a non-display area, and the area determined by the covering ink layer is the non-display area; and the composite ink layer comprises a plurality of layers of protective ink layers, and the protective ink layers are stacked on the covering ink layer. When the protective cover plate assembly is cleaned, the probability that cleaning liquid corrodes metal ink through pinholes on the multiple protective ink layers can be reduced, the risk of poor appearance such as black spots formed on the metal ink can be reduced, and the appearance quality of the cleaned protective cover plate assembly is improved.
Description
Technical Field
The invention relates to the field of touch control, in particular to a protective cover plate component, a touch screen and a manufacturing method of the protective cover plate component.
Background
Touch screen devices are increasingly popular in products such as mobile phones, watches, computers, public infrastructure devices, and the like due to their advantages of being robust, durable, fast in response, space-saving, easy to communicate, and the like. The non-display area printing of the protection apron in traditional touch-sensitive screen has the printing ink layer for the internal components and parts below press the key zone and the protection apron in the non-display area shelter from, avoid seeing the inner structure of touch-sensitive screen and influence pleasing to the eye from the screen. For customers who seek to be extremely beautiful, the ink layer is generally made of metal ink with metal luster, so as to improve the beauty of the non-display area of the protective cover plate. Before the touch screen is formed by bonding the protective cover plate and the sensing layer, in order to improve the light transmission quality of the touch screen after bonding and reduce the generation of bubbles, ultrasonic cleaning is generally performed on one side of the ink layer of the protective cover plate to remove dust and impurity particles. Because the metal ink particles are large and the adhesive force is poor, the metal ink is easy to fall off in a cleaning solution in the cleaning process, and the appearance of the touch screen is poor.
Disclosure of Invention
Accordingly, it is necessary to provide a protective cover plate assembly, a touch panel, and a method for manufacturing the protective cover plate assembly, in order to solve the problem of poor appearance of the metal ink on the protective cover plate during ultrasonic cleaning.
A protective cover plate assembly comprising:
a cover plate body;
the covering ink layer is arranged on the cover plate body and divides the cover plate body into a display area and a non-display area, and the area determined by the covering ink layer is the non-display area; and
the composite ink layer comprises a plurality of layers of protective ink layers, and the protective ink layers are stacked on the covering ink layer.
In one embodiment, the outer side surfaces of the covering ink layer and the protective ink layer are flush with the edge of the cover plate body.
In one embodiment, the number of the protective ink layers is two, namely a first protective ink layer and a second protective ink layer, and the covering ink layers, the first protective ink layer and the second protective ink layer are sequentially stacked and have sequentially increased inner diameters.
In one embodiment, the protection cover plate assembly further includes a transparent insulating layer, the transparent insulating layer is disposed on a side of the composite ink layer away from the covering ink layer, and the transparent insulating layer extends to the display area toward the inside of the cover plate body to surround the covering ink layer and the composite ink layer.
In one embodiment, the protection cover plate assembly further includes a transparent insulating layer, the transparent insulating layer is disposed in the display area and extends to one side of the covering ink layer, and the transparent insulating layer extends outwards to cover one side of the composite ink layer away from the covering ink layer, and surrounds the covering ink layer and the composite ink layer.
In one embodiment, the transparent insulating layer is made of varnish.
In one embodiment, the protection cover plate assembly further includes an ink pattern layer, the ink pattern layer is disposed on the non-display area of the cover plate body and is wrapped in the covering ink layer, and the ink pattern layer and the covering ink layer have a color difference so that the ink pattern layer can be recognized on the covering ink layer.
In one embodiment, the pattern of the ink pattern layer is a time scale.
Meanwhile, the invention also provides a touch screen, which comprises:
the protective cover plate assembly;
the touch sensing layer is arranged on one side, away from the cover plate body, of the composite ink layer; and
and the bonding layer is formed between the touch sensing layer and the glass cover plate assembly so as to bond the glass cover plate assembly and the touch sensing layer.
Meanwhile, the invention also provides a manufacturing method of the protective cover plate component, which comprises the following steps:
providing a cover plate body;
forming a covering ink layer on the cover plate body, wherein the covering ink layer divides the cover plate body into a display area and a non-display area, and the area determined by the covering ink layer is the non-display area;
forming a composite ink layer on the covering ink layer, wherein the composite ink layer comprises a plurality of protective ink layers, and the protective ink layers are stacked on the covering ink layer; and
and wiping the protective ink layer on the outermost layer.
The protective cover plate component, the touch screen and the manufacturing method of the protective cover plate component provided by the invention have the following advantages:
when the protection cover plate component carries out ultrasonic cleaning, the composite ink layer can play a role in protecting the covering ink layer, and the phenomenon that the cleaning liquid directly cleans the covering ink layer with weak adhesion force (metal ink particles are large and the adhesion force is poor) is avoided. And the quantity of the protection printing ink layer in the compound printing ink layer is the multilayer to range upon range of and locate on hiding the printing ink layer, thereby make a plurality of pinholes on the adjacent two-layer protection printing ink layer can misplace each other, when protecting the cover plate subassembly and wash, can reduce the washing liquid and corrode the probability of hiding the printing ink layer (for example, metal printing ink, the metal printing ink granule is big, the adhesive force is poor) through the pinhole on the protection printing ink layer, thereby can reduce and form the risk of bad outward appearance such as black spot on hiding the printing ink layer, improve the appearance quality after protecting the cover plate subassembly and wash.
Drawings
Fig. 1 is a schematic structural diagram of a touch screen according to an embodiment of the invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the protective cover plate assembly of FIG. 1;
FIG. 4 is a schematic diagram of the structure of the protection cover assembly of FIG. 3 having a transparent insulating layer;
FIG. 5 is a schematic view of another embodiment of the protective cover plate assembly of FIG. 3 having a transparent insulating layer;
fig. 6 is a flowchart illustrating a method for manufacturing a protection cover plate assembly according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a touch screen 20 according to an embodiment of the present invention includes a protective cover plate assembly 20a, a touch sensing layer 20b, and an adhesive layer 20 c. The adhesive layer 20c is formed between the protective cover plate assembly 20a and the touch sensing layer 20b, so that the protective cover plate assembly 20a and the touch sensing layer 20b can be adhered together. Specifically, in this embodiment, the adhesive layer 20c is OCA optical cement with high light transmittance and good stability.
In the present embodiment, the touch panel 20 is applied to a display device. The display device may be, but is not limited to, a smart phone, a smart watch, a tablet computer, and other smart terminals. Specifically, in this embodiment, the display device is a smart watch. At this time, as shown in fig. 2, the non-display area 120 of the cover plate body 100 in the protective cover plate assembly 20a is provided with a time scale 501.
As shown in fig. 3, the protection cover plate assembly 20a includes a cover plate body 100, a covering ink layer 200, and a composite ink layer 300. The cover body 100 includes a display area 110 and a non-display area 120. The covering ink layer 200 is formed on the cover plate body 100 (for example, formed on the cover plate body 100 by printing), and divides the cover plate body 100 into the display area 110 and the non-display area 120, and the area defined by the covering ink layer 200 is the non-display area 120. Specifically, in this embodiment, the material of the masking ink layer 200 is a metal ink, which is an ink prepared by using a metal pigment and has excellent metallic luster. More specifically, in the present embodiment, the metal ink is a gold ink or a silver ink. The gold ink is prepared from copper pigment and zinc pigment according to different proportions, and the silver ink is prepared from aluminum pigment.
The composite ink layer 300 includes a plurality of protective ink layers 300a, and the plurality of protective ink layers 300a are stacked on the covering ink layer 200. Specifically, in the present embodiment, the protection ink layer 300a includes two first protection ink layers 310 and two second protection ink layers 320 stacked on the covering ink layer 200, that is, the first protection ink layer 310 is formed at one end of the covering ink layer 200 far from the cover plate body 100 (for example, by printing), and the second protection ink layer 320 is formed at one end of the first protection ink layer 310 far from the covering ink layer 200 (for example, by printing). The composite ink layer 300 may be made of black ink with strong adhesion.
In the protection cover plate assembly 20a, when the protection cover plate assembly 20a is ultrasonically cleaned, the composite ink layer 300 can protect the covering ink layer 200, and prevent the cleaning solution from directly cleaning the covering ink layer 200 with weak adhesion (the metal ink particles are large, and the adhesion is poor). Furthermore, the composite ink layer 300 is provided with a plurality of protective ink layers 300a, so that a plurality of pinholes 301 (gaps exist between ink molecules, the pinholes 301 are naturally formed) on the first protective ink layer 310 and the second protective ink layer 320 can be staggered with each other, the probability that the cleaning solution corrodes the protective ink layer 200 through the pinholes 301 on the first protective ink layer 310 and the second protective ink layer 320 is reduced, the risk of poor appearance such as black spots formed on the protective ink layer 200 can be reduced, and the appearance quality of the protective cover plate assembly 20a after cleaning is improved. In order to further improve the defect of corrosion of masking ink layer 200, ultrasonic cleaning may be eliminated and cleaning solution (e.g., alcohol) may be used for wiping, so as to further reduce the risk of corrosion of masking ink layer 200.
Further, referring to fig. 3, in the present embodiment, the outer side surfaces of the covering ink layer 200, the first protecting ink layer 310 and the second protecting ink layer 320 are all flush with the edge of the cover plate body 100. Thus, the blocking of the ink layer on the internal components in the non-display area 120 can be ensured, and the beauty of the cover plate body 100 can be improved.
Further, in this embodiment, the inner diameters of the covering ink layer 200, the first protecting ink layer 310 and the second protecting ink layer 320 are sequentially increased, that is, the step 21 is formed in the inner area of the ink layers. Thus, when the cover plate body 100 and the touch sensing layer 200 are attached to each other, bubbles in the display area 110 of the cover plate body 100 can be discharged from the step 21, and the light transmission quality of the display area 110 is improved.
Further, as shown in fig. 4, in the present embodiment, the protection cover plate assembly 20a further includes a transparent insulating layer 400, the transparent insulating layer 400 is disposed on a side of the composite ink layer 300 away from the covering ink layer 200, and the transparent insulating layer 400 extends to the display area 110 toward the inner portion of the cover plate body 100 to surround the covering ink layer 200 and the composite ink layer 300. Thus, during cleaning, the cleaning solution can be prevented from washing away the area of the covering ink layer 200 (for example, the step 21) not covered by the composite ink layer 300, so that the metal particles with metal color in the washed metal ink can be prevented from remaining on the cover plate body 100, which affects the light transmission quality and the appearance of the cover plate body 100.
In other embodiments, as shown in fig. 5, the transparent insulating layer 400 is disposed in the display region 110 and extends to a side of the covering ink layer 200, and the transparent insulating layer 400 extends outward to cover a side of the composite ink layer 300 away from the covering ink layer 200 and surrounds the covering ink layer 200 and the composite ink layer 300.
In the protection cover plate assembly 20a, the transparent insulating layer 400 is made of varnish. The main components of the gloss oil comprise photosensitive resin, active diluent and photoinitiator, so the gloss oil has excellent chemical resistance, wear resistance and adhesion. Covering printing ink layer 200, compound printing ink layer 300 and covering a layer gloss oil, can blocking the printing ink layer 200 that hides that easily drops in the inlayer of gloss oil effectively to on the washing liquid gets into and hides printing ink layer 200 when having completely cut off ultrasonic cleaning, avoided metal printing ink to be washed by the washing liquid and fallen and the risk of corruption.
Further, in the present embodiment, with reference to fig. 5, the protection cover plate assembly 20a further includes an ink pattern layer 500, and the ink pattern layer 500 is disposed on the non-display area 120 of the cover plate body 100 and is covered in the covering ink layer 200. In this case, the color difference between the ink pattern layer 500 and the covering ink layer 200 exists, so that the ink pattern layer 500 can be recognized on the covering ink layer 200.
When the protective cover plate assembly 20a is applied to a smart watch, the pattern of the ink pattern layer 500 is a time scale 501, and the glass cover plate assembly 20a assumes a state shown in fig. 2.
Referring to fig. 6, the present invention further provides a method for manufacturing the protection cover plate assembly 20a, which specifically includes the following steps:
in step S10, a cover body 100 is provided, in which the cover body 100 includes a display area 110 and a non-display area 120. The cover plate body 100 may be a glass cover plate or a plastic cover plate.
Step S20 is to form a covering ink layer 200 on the cover plate body 100, wherein the covering ink layer 200 divides the cover plate body 100 into the display area 110 and the non-display area 120, and the area defined by the covering ink layer 200 is the non-display area 120. Specifically, in the present embodiment, the covering ink layer 200 is formed on the cover plate body 100 by printing. The material of the covering ink layer 200 may be metal ink.
Step S30 is to form a composite ink layer 300 on the covering ink layer 200, where the composite ink layer 300 includes a plurality of protective ink layers 300a, and the plurality of protective ink layers 300a are stacked on the covering ink layer 200. Specifically, in the present embodiment, the protective ink layer 300a includes a first protective ink layer 310 and a second protective ink layer 320, and the first protective ink layer 310 and the second protective ink layer 320 are sequentially printed on the covering ink layer 200.
In step S40, the outermost protective ink layer 300a is wiped. Specifically, in the present embodiment, second protective ink layer 320 is wiped. Therefore, the risk that the ink layer 200 is covered by the huge impact force of the cleaning liquid during ultrasonic cleaning and corrosion can be avoided. It is understood that in other embodiments, the cover body 100 may also be wiped simultaneously. Wherein the cleaning liquid used for wiping can be alcohol.
Further, before step S20, that is, before the covering ink layer 200 is formed on the cover plate body 100, the manufacturing method further includes the following steps:
in step S11, an ink pattern layer 500 is formed on the cap body 100. Specifically, in the present embodiment, the pattern of the ink pattern layer 500 is a time scale 501 as shown in fig. 2.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A protective cover plate assembly, comprising:
a cover plate body;
the covering ink layer is arranged on the cover plate body and divides the cover plate body into a display area and a non-display area, and the area determined by the covering ink layer is the non-display area;
the composite ink layer comprises two protective ink layers which are stacked on the covering ink layer, namely a first protective ink layer and a second protective ink layer, and a plurality of pinholes on the first protective ink layer and the second protective ink layer are arranged in a staggered mode; and
the ink pattern layer is arranged on the non-display area of the cover plate body and covers the covering ink layer; and in the laminating direction, the covering ink layer is arranged between the ink pattern layer and the first protecting ink layer at intervals.
2. The protective cover plate assembly of claim 1, wherein the outer side surfaces of the covering ink layer and the protective ink layer are flush with the edge of the cover plate body.
3. The protective cover plate assembly of claim 1, wherein the covering ink layer, the first protective ink layer, and the second protective ink layer are sequentially stacked and have sequentially increasing inner diameters.
4. The protection cover plate assembly of claim 1, further comprising a transparent insulating layer disposed on a side of the composite ink layer away from the covering ink layer, wherein the transparent insulating layer extends toward the inside of the cover plate body to the display area to surround the covering ink layer and the composite ink layer.
5. The protective cover plate assembly of claim 1, further comprising a transparent insulating layer disposed in the display area and extending to a side of the covering ink layer, wherein the transparent insulating layer extends outward to cover a side of the composite ink layer away from the covering ink layer, surrounding the covering ink layer and the composite ink layer.
6. The protective cover plate assembly of claim 4 or 5, wherein the transparent insulating layer is made of varnish.
7. The protective cover sheet assembly of claim 1 wherein the ink design layer is color-different from the cover ink layer to enable identification of the ink design layer on the cover ink layer.
8. The protective cover plate assembly of claim 7, wherein the pattern of the ink design layer is a time scale.
9. A touch screen, comprising:
the protective cover plate assembly of any one of claims 1-8;
the touch sensing layer is arranged on one side, away from the cover plate body, of the composite ink layer; and
and the bonding layer is formed between the touch sensing layer and the protective cover plate component so as to bond the protective cover plate component and the touch sensing layer.
10. A method for manufacturing a protective cover plate component comprises the following steps:
providing a cover plate body;
forming an ink pattern layer on the cover plate body;
forming a covering ink layer on the cover plate body, wherein the covering ink layer divides the cover plate body into a display area and a non-display area, and the area determined by the covering ink layer is the non-display area; the ink pattern layer is arranged on the non-display area of the cover plate body and is coated in the covering ink layer;
forming a composite ink layer on the covering ink layer, wherein the composite ink layer comprises two protective ink layers which are stacked on the covering ink layer, namely a first protective ink layer and a second protective ink layer, a plurality of pinholes on the first protective ink layer and the second protective ink layer are arranged in a staggered mode, and the covering ink layer is arranged between the ink pattern layer and the first protective ink layer at intervals in the stacking direction; and
and wiping the protective ink layer on the outermost layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026914.XA CN109144324B (en) | 2018-09-04 | 2018-09-04 | Protection cover plate assembly, touch screen and manufacturing method of protection cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811026914.XA CN109144324B (en) | 2018-09-04 | 2018-09-04 | Protection cover plate assembly, touch screen and manufacturing method of protection cover plate assembly |
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| CN109144324A CN109144324A (en) | 2019-01-04 |
| CN109144324B true CN109144324B (en) | 2022-02-11 |
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| CN201811026914.XA Active CN109144324B (en) | 2018-09-04 | 2018-09-04 | Protection cover plate assembly, touch screen and manufacturing method of protection cover plate assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213126448U (en) * | 2020-08-19 | 2021-05-04 | 昆山国显光电有限公司 | Display panel and sound box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203552213U (en) * | 2013-08-30 | 2014-04-16 | 信利光电股份有限公司 | Touch screen and terminal equipment |
| TW201614338A (en) * | 2014-10-09 | 2016-04-16 | Tpk Touch Solutions Xiamen Inc | Touch panel structure and fabricating method thereof |
| CN207182249U (en) * | 2017-09-25 | 2018-04-03 | 华显光电技术（惠州）有限公司 | Cover plate and display device |
| CN108008856A (en) * | 2017-11-30 | 2018-05-08 | 业成科技（成都）有限公司 | Contact panel and display device |
| CN207440749U (en) * | 2017-12-13 | 2018-06-01 | 江西合力泰科技有限公司 | A kind of capacitive touch screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150050316A (en) * | 2014-05-19 | 2015-05-11 | 주식회사 에스에스디 | Manufacturing mehtod of touch panel using double protective film |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203552213U (en) * | 2013-08-30 | 2014-04-16 | 信利光电股份有限公司 | Touch screen and terminal equipment |
| TW201614338A (en) * | 2014-10-09 | 2016-04-16 | Tpk Touch Solutions Xiamen Inc | Touch panel structure and fabricating method thereof |
| CN207182249U (en) * | 2017-09-25 | 2018-04-03 | 华显光电技术（惠州）有限公司 | Cover plate and display device |
| CN108008856A (en) * | 2017-11-30 | 2018-05-08 | 业成科技（成都）有限公司 | Contact panel and display device |
| CN207440749U (en) * | 2017-12-13 | 2018-06-01 | 江西合力泰科技有限公司 | A kind of capacitive touch screen |
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