CN105022543A - OGS (One Glass Solution) touch screen structure and electronic device - Google Patents
OGS (One Glass Solution) touch screen structure and electronic device Download PDFInfo
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- CN105022543A CN105022543A CN201510410854.1A CN201510410854A CN105022543A CN 105022543 A CN105022543 A CN 105022543A CN 201510410854 A CN201510410854 A CN 201510410854A CN 105022543 A CN105022543 A CN 105022543A
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- transparency conducting
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- 239000011521 glass Substances 0.000 title claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 10
- 230000006378 damage Effects 0.000 abstract description 9
- 239000011159 matrix material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 238000010147 laser engraving Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 210000004276 hyalin Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The present invention discloses an OGS (One Glass Solution) touch screen structure and an electronic device. A first BM (Black Matrix) is used for providing a color required by a bezel; a second BM is used for providing protection for the first BM; a requirement on the color of the second BM is relatively low, so that optional space for the second BM is relatively large; and the specific thickness can satisfy additional damage in pin production, so that the design difficulty is relatively low. Then, the first BM can be effectively protected, so that the integrity and uniformity of bezel appearance are ensured.
Description
Technical field
The present invention relates to a kind of OGS touch screen structure, and apply the electronic equipment of this OGS touch screen structure, wherein OGS(One Glass Solution), be the technology directly directly forming ITO conducting film and sensor on cover glass.
Background technology
BM(Black Matrix, black matrix) refer to the electronic printing carried out on the materials such as glass, plastics, metal or resin.The coloured moiety of existing smart mobile phone screen upper periphery is exactly the one of BM.BM is called black matrix, but actually comprises multiple color, wherein just comprises white, its essence is colored microelectronics printing technology.
Existing OGS generally adopts and first makes in glass back the step that BM makes ITO again, in the processing procedure of border structure, inevitably uses such as laser engraving technique, to carry out the engraving of such as silver slurry layer.Carve by avoiding silver slurry layer the short circuit between generation pin, the silver slurry between needing pin is all removed, and lose the stop of silver slurry, laser can directly project on BM, causes the damage of BM., need from the back side to the step that BM repairs for this reason, but cannot be guaranteed through the quality of the BM repaired, easily occur the defects such as texture.
In some implementations, the face namely arranging ito film layer in the front of glass arranges BM, although cannot avoid the damage of BM when carving silver slurry layer, after laser engraving, make the damage that BM effectively can cover front BM overleaf again, and can not texture be produced.But the BM made at the back side of glass often needs the protection of cover plate etc., integral thickness is bigger than normal.
At such as Chinese patent literature CN203643993U, disclose the multi-point touch OGS touch screen of a kind of front plating BM, this touch-screen arranges BM layer in the one side of its glass substrate, and another side arranges multi-point touch ITO layer, and on BM layer stacked hyaline layer.ITO layer needs to make pin, and the making of pin as previously mentioned, generally needs laser engraving, the laser engraving later stage can through the BM of glass substrate ablation respective regions, cause the damage of BM, if made hyaline layer in advance, the part that so BM is damaged cannot have been repaired.
Typically, Chinese patent literature CN203812222U then discloses a kind of individual layer multiple spot OGS capacitive screen structure, this technical scheme is exclusively used in the OCS capacitance plate with caterpillar structure, caterpillar structure is only had to use ITO as the wire of touch screen or wiring board and other device in current OGS, should be appreciated that other OGS use lead-in wire as wire.
Above-mentioned document CN203812222U to have in the OGS capacitive screen structure processing procedure of caterpillar structure existing problem in its background technology part made relative detailed description to current individual layer multiple spot, for solving the bad order that individual layer ITO etched mark (ITO and BM exists aberration) causes, propose a kind of individual layer multiple spot OGS capacitive screen structure in order to thoroughly to remove BM dark border place ITO etched mark, first it make one deck BM photoresistance film on cover-plate glass in predetermined frame region, then the ito thin film of whole is made, etching ito thin film forms ITO patterned layer, flexible PCB is by etching the structure that produces and ITO patterned layer is electrically connected.
Above-mentioned document CN203812222U can only be applied in the OGS of caterpillar structure, and realize by etching the structure that ITO patterned layer is connected with flexible PCB and inherently need to destroy BM layer (BM dark border), although have employed photoresist to define the non-viewing area of new frame, but the functional of BM layer is not embodied at this, the function of its body is equivalent to adopt additional BM photoresistance film to replace.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of OGS touch screen structure, to reduce BM damage to frame appearance effects, present invention also offers the electronic equipment of this OGS touch screen structure of a kind of application.
The technical solution used in the present invention is:
According to first aspect of the present invention, a kind of OGS touch screen structure, comprising:
Glass substrate, this glass substrate have predetermined frame region and frame region around window area;
One BM, is formed in frame region;
First transparency conducting layer, is stacked in the one side of the glass substrate being formed with a BM, has the pattern of the first dimension; Frame region corresponding to the first dimension two ends is formed with the first Wiring area of the first transparency conducting layer;
Insulation course, is formed on the first transparency conducting layer;
Second transparency conducting layer, is stacked on the first transparency conducting layer, and is insulated by insulation course and the first transparency conducting layer; This second transparency conducting layer has the pattern of the second dimension, and this second dimension is orthogonal with the first dimension; Frame region corresponding to these the first dimension two ends is formed with the second Wiring area of the second transparency conducting layer;
2nd BM, is formed in the first Wiring area and the second Wiring area, in order to be configured to protect BM; And
Elargol layer, has and is distributed in the first Wiring area and the first pin area of being electrically connected with the pattern of the first dimension and the second pin area being distributed in the second Wiring area and being electrically connected with the pattern of the second dimension.
Above-mentioned OGS touch screen structure, alternatively, described 2nd BM is white BM.
Alternatively, the thickness of described white BM is not less than 12nm.
Alternatively, the thickness of described white BM is not more than 17nm.
Preferably, the thickness of described 2nd BM is 15nm.
Alternatively, a described BM is black BM.
Alternatively, the thickness of described black BM is 6nm.
Alternatively, a described BM is the high temperature resistant BM of resistance to first transparency conducting layer and the second transparency conducting layer baking temperature when making.
Alternatively, described first transparency conducting layer and the second transparency conducting layer are respectively formed by an ito film layer.
According to a kind of electronic equipment with touch-screen of another aspect of the present invention, comprise the OGS touch screen structure of the present invention first aspect.
According to the present invention, a BM is in order to provide the color required for frame, and the 2nd BM then provides the protection to a BM; for the 2nd BM, require relatively not high to its color, thus optional leeway is larger; and concrete thickness can meet the additional injury that pin makes, design difficulty is relatively little.Therefore, a BM by available protecting, thus can ensure that integrality and the homogeneity of frame appearance.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section according to a kind of OGS frame region of the present invention.
In figure: 1. glass substrate, 2. black BM, 3. the first transparency conducting layer, 4. insulation course, 5. the second transparent electric layer, 6. white BM, 7. elargol layer.
Embodiment
Generally speaking, OGS touch screen structure is the same with other touch screen structure, is all rectangular configuration usually.Although occurred so-called Rimless mobile phone current, the touch-screen of the overwhelming majority also all comprises frame.
Usually contain BM layer in the frame region of touch-screen, in order to cover the border structure under BM layer, such as, be distributed in the lead-in wire of frame region, shielding line etc.
By frame around region be commonly referred to as functional areas (sensor), in order to touch is transformed into electric signal export.
Transparency conducting layer, such as the first transparency conducting layer 3, second transparency conducting layer 5, needs patterning, forms such as ITO(tin indium oxide) trace, form electric capacity between two transparency conducting layers, touch the capacitance variations produced and be detected, thus determine touch location.
Circuit in order to be drawn by the signal on such as ITO trace is distributed in frame region, mainly comprise three parts, a part is the pin (PIN) made at trace two ends, then a region is guided to by silver-colored line or All other routes, this region in order to realize with FPC(flexible circuit board) connection, be generally that hot pressing connects, thus be called hot pressing district.
The circuit of frame region needs first to form silver slurry layer usually, then carves silver slurry layer and forms corresponding frame circuit.
A kind of OGS touch screen structure as shown in Figure 1, comprising:
Glass substrate 1, this glass substrate have predetermined frame region and frame region around window area; In figure, the thickness relationship between each layer is not that the direct proportion of its thickness actual is drawn, but in order to react its principle.
In figure, the lower surface of glass substrate 1 is air surface, upper surface as loading end, for the formation of touch controllable function layer.
Generally need to carry out intensive treatment to glass substrate 1, in certain embodiments can also by pasting blow-out disc to improve overall intensity.
And then a BM, black BM as shown in Figure 1 is formed in frame region, so just can see the color of a BM from air surface through glass substrate 1, be formed as the direct frame protected from air side of glass substrate 1 institute.
About the width of frame, be that the one of existing frame is improved based on the present invention, do not relate to its width, therefore, select existing border width at this its width.
Here is the description to touch controllable function plot structure:
Two transparency conducting layers are contained in touch controllable function district, and through functional areas, namely the picture on the display that touch-screen sticks can be seen in window area, thus form tactile aobvious module.
Not necessarily there is such as parallel relation in physical arrangement in two transparency conducting layers, represented is herein the transparency conducting layer of two dimensions, can there is the situation of part-structure coplanar, the touch-screen of such as bridge type in physical arrangement.
About the first transparency conducting layer 3, be stacked in the one side (previously described loading end) of the glass substrate 1 being formed with a BM, there is the pattern of the first dimension; Frame region corresponding to the first dimension two ends is formed with the first Wiring area of the first transparency conducting layer 3.
Should be appreciated that the frame region corresponding to the first dimension two ends does not represent that the region of every one end all needs to arrange, but represent the region that the frame region being positioned at two ends limits.
Generally speaking, the first transparency conducting layer 3 is formed in loading end by vacuum magnetic-control sputtering, then such as toasts the relevant rete of realization to it and is reliably attached on loading end.
Then the printing protecting ink is carried out, etching formation first transparency conducting layer 3.
After removing ink layer, make insulation course 4, the spatial relationship that coupling two transparency conducting layers are set of insulation course 4, the main insulation formed between two transparency conducting layers.
Generally speaking, insulation course 4 is arranged on the overlapping region of two transparency conducting layers.
So about the second transparency conducting layer 5, be a kind of stacked relation between it and the first transparency conducting layer, and insulated by insulation course 4 and the first transparency conducting layer 3; This second transparency conducting layer 5 has the pattern of the second dimension, and this second dimension is orthogonal with the first dimension; Frame region corresponding to these the first dimension two ends is formed with the second Wiring area of the second transparency conducting layer 5.
Stacked also expression certainly exists the strict layer structure be parallel to each other, the touch-screen of foregoing bridge type, the agent structure of two transparency conducting layer is that a nesa coating etching forms, then by the signals collecting realizing two dimensions of building bridge.
About the making of frame portion circuit, as previously mentioned, realize mainly through such as laser engraving, transparency conducting layer is transparent, effectively can not stop laser, thus can cause the damage of a ready-made BM.
For this reason, make the 2nd BM, the 2nd BM is formed in the first Wiring area and the second Wiring area, and in order to be configured to protect BM, that protect is a BM.
2nd BM can not consider its color characteristic, thus selection range is more extensive, can select the BM of resistance to laser, such as the current ink of resistance to laser in the industry cycle used, such as the TS series ink of resistance to laser.
Due to the existence of the ink of resistance to laser, in some applications current, a BM directly adopts the ink of resistance to laser, but the ink of resistance to laser has the defect of himself.
The existence of the 2nd BM effectively can avoid the damage of a BM, thus has good quality from touch-screen viewed from air surface, ensure that the yield of product.
And then, mate two conductive layers, elargol layer 7 is set, have and be distributed in the first Wiring area and the first pin area of being electrically connected with the pattern of the first dimension and the second pin area being distributed in the second Wiring area and being electrically connected with the pattern of the second dimension.
Alternatively, described 2nd BM is white BM6, and white BM6 is Cr or its oxide mainly, has good stability, and has very high hardness.
Thinner rete has light transmission, such as silverskin, when thickness is less than the wavelength of corresponding light, just has the light transmission to this light, and therefore, in order to meet the effective stop to laser, the thickness of described white BM6 is not less than 12nm.
And white BM6 should have good anti-light etch capabilities.
In order to make touch-screen have less thickness, the thickness of described white BM6 is not more than 17nm.
Particularly preferably, the thickness of described 2nd BM is 15nm, and consumable material is few, and can meet good photoresistance effect.
About a described BM alternatively, white, black or other colored BM is selected, to adapt to the different consumer groups.
Preferably, adopting to be extensively the black BM that consumer accepts, black BM technology also comparative maturity, and integral manufacturing cost compare is low.
Preferably, the thickness of described black BM2 is 6nm, meets good visual effect and technology difficulty needs.
Generally speaking, the strengthening of glass substrate 1, and the formation of transparency conducting layer and strengthening to producing higher temperature.And BM is a kind of ink, have certain volatilization temperature, therefore, the high temperature adapted is the BM of the volatilization causing BM, such as some resene, and volatilization itself can cause BM impaired, and on the other hand, the BM of volatilization can pollute surrounding environment or touch-screen itself.
Therefore, in a preferred embodiment, a described BM is the high temperature resistant BM of resistance to first transparency conducting layer 3 and the second transparency conducting layer 5 baking temperature when making.
The thermal creep stress of high temperature resistant BM required for processing procedure.
As previously mentioned, transparency conducting layer has two kinds of citation forms, one is formed by a nesa coating, another kind is formed by two nesa coatings, preferably described first transparency conducting layer 3 and the second transparency conducting layer are respectively formed by an ito film layer, product yield is relatively high, and the thickness of touch-screen increases limited.
There is an electronic equipment for touch-screen, use the described OGS touch screen structure in the embodiment of the present invention.
Claims (10)
1. an OGS touch screen structure, is characterized in that, comprising:
Glass substrate (1), this glass substrate have predetermined frame region and frame region around window area;
One BM, is formed in frame region;
First transparency conducting layer (3), is stacked in the one side of the glass substrate (1) being formed with a BM, has the pattern of the first dimension; Frame region corresponding to the first dimension two ends is formed with the first Wiring area of the first transparency conducting layer (3);
Insulation course (4), is formed on the first transparency conducting layer (3);
Second transparency conducting layer (5), is stacked on the first transparency conducting layer (3), and is insulated by insulation course (4) and the first transparency conducting layer (3); This second transparency conducting layer (5) has the pattern of the second dimension, and this second dimension is orthogonal with the first dimension; Frame region corresponding to these the first dimension two ends is formed with the second Wiring area of the second transparency conducting layer (5);
2nd BM, is formed in the first Wiring area and the second Wiring area, in order to be configured to protect BM; And
Elargol layer (7), has and is distributed in the first Wiring area and the first pin area of being electrically connected with the pattern of the first dimension and the second pin area being distributed in the second Wiring area and being electrically connected with the pattern of the second dimension.
2. OGS touch screen structure according to claim 1, is characterized in that, described 2nd BM is white BM(6).
3. OGS touch screen structure according to claim 2, is characterized in that, described white BM(6) thickness be not less than 12nm.
4. OGS touch screen structure according to claim 3, is characterized in that, described white BM(6) thickness be not more than 17nm.
5., according to the arbitrary described OGS touch screen structure of claim 2-4, it is characterized in that, the thickness of described 2nd BM is 15nm.
6. OGS touch screen structure according to claim 1 and 2, is characterized in that, a described BM is black BM(2).
7. OGS touch screen structure according to claim 6, is characterized in that, described black BM(2) thickness be 6nm.
8. OGS touch screen structure according to claim 6, is characterized in that, a described BM is the high temperature resistant BM of resistance to first transparency conducting layer (3) and the second transparency conducting layer (5) baking temperature when making.
9. OGS touch screen structure according to claim 1, is characterized in that, described first transparency conducting layer (3) and the second transparency conducting layer are respectively formed by an ito film layer.
10. there is an electronic equipment for touch-screen, it is characterized in that, comprise as arbitrary in claim 1-9 as described in OGS touch screen structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410854.1A CN105022543A (en) | 2015-07-14 | 2015-07-14 | OGS (One Glass Solution) touch screen structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410854.1A CN105022543A (en) | 2015-07-14 | 2015-07-14 | OGS (One Glass Solution) touch screen structure and electronic device |
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| Publication Number | Publication Date |
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| CN105022543A true CN105022543A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510410854.1A Pending CN105022543A (en) | 2015-07-14 | 2015-07-14 | OGS (One Glass Solution) touch screen structure and electronic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108920029A (en) * | 2018-06-28 | 2018-11-30 | 信利光电股份有限公司 | A kind of novel OGS touch screen and electronic equipment |
| CN109002204A (en) * | 2018-06-28 | 2018-12-14 | 信利光电股份有限公司 | A kind of OGS touch screen and electronic equipment |
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| CN202404553U (en) * | 2012-03-01 | 2012-08-29 | 祥达光学（厦门）有限公司 | Touch screen structure with shielding metal line |
| CN202870769U (en) * | 2012-07-24 | 2013-04-10 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN103793119A (en) * | 2014-01-14 | 2014-05-14 | 东莞市飞触光电科技有限公司 | Capacitor touch screen cover plate and production process thereof |
| CN104007862A (en) * | 2013-02-26 | 2014-08-27 | 宏碁股份有限公司 | Touch panel |
| CN204203919U (en) * | 2014-10-09 | 2015-03-11 | 宸鸿科技(厦门)有限公司 | Contact panel |
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2015
- 2015-07-14 CN CN201510410854.1A patent/CN105022543A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| CN202404553U (en) * | 2012-03-01 | 2012-08-29 | 祥达光学（厦门）有限公司 | Touch screen structure with shielding metal line |
| CN202870769U (en) * | 2012-07-24 | 2013-04-10 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN104007862A (en) * | 2013-02-26 | 2014-08-27 | 宏碁股份有限公司 | Touch panel |
| CN103793119A (en) * | 2014-01-14 | 2014-05-14 | 东莞市飞触光电科技有限公司 | Capacitor touch screen cover plate and production process thereof |
| CN204203919U (en) * | 2014-10-09 | 2015-03-11 | 宸鸿科技(厦门)有限公司 | Contact panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108920029A (en) * | 2018-06-28 | 2018-11-30 | 信利光电股份有限公司 | A kind of novel OGS touch screen and electronic equipment |
| CN109002204A (en) * | 2018-06-28 | 2018-12-14 | 信利光电股份有限公司 | A kind of OGS touch screen and electronic equipment |
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Application publication date: 20151104 |
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