CN104007862A - Touch panel - Google Patents
Touch panel Download PDFInfo
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- CN104007862A CN104007862A CN201310060182.7A CN201310060182A CN104007862A CN 104007862 A CN104007862 A CN 104007862A CN 201310060182 A CN201310060182 A CN 201310060182A CN 104007862 A CN104007862 A CN 104007862A
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Abstract
The invention provides a touch panel used for providing touch signals. The touch panel comprises a substrate, a first vision shielding layer, an electrode layer, a metal material layer and a second vision shielding layer. The substrate is provided with a surface, and the first vision shielding layer is arranged in one edge area of the surface. One part of the electrode layer is arranged in a display area adjacent to the edge area on the surface, and another part of the electrode layer covers at least part of the first vision shielding layer. The metal material layer is arranged in the edge area and electrically communicated with the electrode layer. The second vision shielding layer is arranged in the edge area and overlaid on the first vision shielding layer. Another part of the electrode layer is clamped between the first vision shielding layer and the second vision shielding layer.
Description
Technical field
The invention relates to a kind of contact panel, and relate to especially a kind of contact panel with perceptual masking layer.
Background technology
In recent years, along with scientific and technological industry is day by day flourishing, the products such as for example notebook computer of electronic installation (Notebook is called for short NB), panel computer (Tablet PC) and smart mobile phone (Smart Phone) occur in daily life continually.Wherein, portions of electronics device has compact characteristic, and user can be operated and be convenient for carrying with hand-held.The kenel of electronic installation is more and more polynary with use function, and convenience and practicality make these electronic installations more popular, can use for different purposes.Therefore, user can be to be hold by one hand this type of electronic installation, and via touching or press position at the keyboard of the operating surface of electronic installation or contact panel and operating electronic devices.
This type of electronic installation arranges electrode layer in the viewing area of contact panel, with sensing touch event.In the time that contact panel is touched by object or be close, electrode layer can correspondingly produce touching signals.Around the viewing area of contact panel (non-display area), standing one deck perceptual masking layer of putting, to hide contact panel circuit around.The perceptual masking layer of non-display area need to have enough thickness, to avoid affecting outward appearance.The color brighter (for example grey or white) of perceptual masking layer, its thickness is relatively thicker.In addition,, in order to increase the function of operating system touch-control input, also have the demand that electrode layer is set at non-display area, so that non-display area also can provide touch sensing signal.But the surface of perceptual masking layer and the surface of viewing area of non-display area need to have difference in height.In the time that electrode layer is arranged at the surface of perceptual masking layer and viewing area surperficial, the difference in height between perceptual masking layer and viewing area easily causes electrode layer to break.
Summary of the invention
The invention provides a kind of contact panel, can reduce electrode layer and cover the difference in height between perceptual masking layer and viewing area, to promote yield.
Contact panel of the present invention, in order to provide touching signals.Contact panel comprises substrate, First look shielding layer, electrode layer, metal material layer and the second perceptual masking layer.Substrate has surface.First look shielding layer is arranged at least one fringe region on surface.One of electrode layer is arranged at the above viewing area in neighboring edge region, surface, and another portion of electrode layer covers at least a portion of First look shielding layer.In the time that contact panel is touched by object or is close, the corresponding touching signals that produces of electrode layer.Metal material layer is arranged at fringe region, and electrically conducts with electrode layer.Metal material layer is in order to be passed to driving element by touching signals.The second perceptual masking layer is arranged at fringe region and is stacked and placed on First look shielding layer.Described another portion of electrode layer is folded between First look shielding layer and the second perceptual masking layer.
Based on above-mentioned, in contact panel of the present invention, the setting that perceptual masking layer is multilayer.After First look shielding layer is arranged at fringe region, electrode layer can be arranged on viewing area and First look shielding layer, and then the second perceptual masking layer is covered on electrode layer.Therefore, contact panel of the present invention not only can maintain the thickness of perceptual masking layer to avoid affecting outward appearance, and the difference in height that electrode layer covers viewing area and fringe region can be lowered, to avoid causing electrode layer broken string because difference in height is excessive.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Brief description of the drawings
Figure 1A is the schematic diagram of the contact panel of one embodiment of the invention;
Figure 1B is the sectional view of the contact panel I-I along the line of Figure 1A;
Fig. 1 C is the explosive view of Figure 1B;
Fig. 1 D is that the contact panel of Figure 1A arranges the schematic diagram after First look shielding layer;
Fig. 2 A is the sectional view of the contact panel of another embodiment of the present invention;
Fig. 2 B is the explosive view of Fig. 2 A;
Fig. 2 C is that the contact panel of Fig. 2 A arranges the schematic diagram after First look shielding layer;
Fig. 2 D to Fig. 2 H is that the ink point P of Fig. 2 A arranges the gradually schematic diagram of layer;
Fig. 3 A is the sectional view of the contact panel of yet another embodiment of the invention;
Fig. 3 B is the explosive view of Fig. 3 A;
Fig. 4 A is the sectional view of the contact panel of further embodiment of this invention;
Fig. 4 B is the explosive view of Fig. 4 A;
Fig. 4 C is that the contact panel of Fig. 4 A arranges the schematic diagram after First look shielding layer;
Fig. 5 A is the more sectional view of the contact panel of an embodiment of the present invention;
Fig. 5 B is the explosive view of Fig. 5 A.
Description of reference numerals:
100,100a, 200,300,400: contact panel;
110,210,310,410: substrate;
112: surface;
120,120a, 220,320,420: First look shielding layer;
130,230,330,430: electrode layer;
132: detection line;
132a: diamond shaped electrode;
132b: connecting line;
140,240,340,440: metal material layer;
142: metal wire;
150,150a, 250,350,450: the second perceptual masking layers;
160,260: the three perceptual masking layers;
D: viewing area;
E: fringe region;
P: ink point.
Embodiment
Figure 1A is the schematic diagram of the contact panel of one embodiment of the invention.Figure 1B is the sectional view of the contact panel I-I along the line of Figure 1A.Fig. 1 C is the explosive view of Figure 1B.Please refer to Figure 1A to 1C, the contact panel 100 of the present embodiment, in order to provide touching signals.Contact panel 100 comprises substrate 110, First look shielding layer 120, electrode layer 130, metal material layer 140 and the second perceptual masking layer 150.Substrate 110 has surface 112.First look shielding layer 120 is arranged at least one fringe region E on surface 112.
Complete after the arranging of First look shielding layer 120, then electrode layer 130 is being arranged on the surface 112 of substrate 110.Wherein, the First of electrode layer 130 is arranged at the viewing area D of neighboring edge region E on surface 112, and at least a portion of second covering First look shielding layer 120 of electrode layer 130.In the time that contact panel 100 is touched by object or be close, electrode layer 130 can correspondingly produce touching signals.In the present embodiment, the material of electrode layer 130 can be electrically conducting transparent material or translucent conductive material, for example indium tin oxide (indium-tin oxide is called for short ITO) or other conductive material.Blocked up and cause electrode layer 130 to break for fear of the thickness of perceptual masking layer 120, the thickness of perceptual masking layer 120 can be 10 μ m to 20 μ m.In other embodiments, the thickness of perceptual masking layer 120 can decide according to the material characteristic of the material light transmission of perceptual masking layer and electrode layer 130.
Complete after the arranging of electrode layer 130, then metal material layer 140 is being arranged on the First look shielding layer 120 of fringe region E, and electrically conducting with electrode layer 130.In the present embodiment, the material of metal material layer 140 can be any conductive material.Metal material layer 140 can be passed to touching signals driving element (not shown).
Complete after the arranging of metal material layer 140, then the second perceptual masking layer 150 is arranged to fringe region E and is stacked and placed on First look shielding layer 120.That is to say, the second perceptual masking layer 150 is covered on the described Part II and metal material layer 140 of electrode layer 130.Therefore, the described Part II of electrode layer 130 and metal material layer 140 are just folded between First look shielding layer 120 and the second perceptual masking layer 150.
In the present embodiment, contact panel 100 is for example arranged on the screen of mobile phone, and the viewing area D of contact panel 100 can be served as the interface of sensing touching.On the fringe region E around viewing area D, be provided with perceptual masking layer 120,150 for example, so that the circuit (being the metal material layer 140 of connecting electrode layer 130) beyond sensing region in contact panel 100 is covered, to keep attractive in appearance.For example, the perceptual masking layer that is disposed at fringe region E can be white ink.Because the shielding of white ink is poor, in order to improve the effect of perceptual masking, perceptual masking layer can be multi-layer coated, First look shielding layer 120 as shown in Figure 1B and the second perceptual masking layer 150.
Therefore, the contact panel 100 of the present embodiment not only can maintain the thickness of perceptual masking layer 120,150 to avoid affecting outward appearance, and can be lowered in the two difference in height of the electrode layer 130 of viewing area D and the electrode layer of edge region E 130, to avoid causing electrode layer 130 to break because difference in height is excessive.
Fig. 1 D is that the contact panel of Figure 1A arranges the schematic diagram after First look shielding layer.Please refer to Fig. 1 C and Fig. 1 D, First look shielding layer 120 and the second perceptual masking layer 150 are arranged at fringe region E, have covered the part and metal material layer 140 of electrode layer 130.Electrode layer 130 is to be staggered and to be formed by many detection lines 132.Each detection line 132 for example comprises multiple diamond shaped electrode 132a, and more comprises a connecting line 132b between each diamond shaped electrode 132a.Electrode layer 130 covers the mode of First look shielding layer 120, can be that the diamond shaped electrode 132a of part is covered in First look shielding layer 120.But the present invention is not limited at this.In other unshowned embodiment of the present invention, the mode that electrode layer covers First look shielding layer can be also to only have connecting line to be covered in First look shielding layer, or half or whole diamond shaped electrode and connecting line are covered in First look shielding layer.
Fig. 2 A is the sectional view of the contact panel of another embodiment of the present invention.Fig. 2 B is the explosive view of Fig. 2 A.Fig. 2 C is that the contact panel of Fig. 2 A arranges the schematic diagram after First look shielding layer.In Fig. 2 C, for the clear metal material layer 140 that contact panel is shown, therefore dotted line is omitted and do not illustrated gradually layer with the ink point P of exterior domain.Fig. 2 A to Fig. 2 C illustrated embodiment can be analogized with reference to the related description of Figure 1B to Fig. 1 D.Be different from 100 parts of contact panel shown in Figure 1B to Fig. 1 D, be that perceptual masking layer 120a, the 150a of contact panel 100a shown in Fig. 2 A to Fig. 2 C configured gradually layer portion.Please refer to Fig. 2 A to Fig. 2 C, the gradually reason of layer portion is set, be according to material characteristic, electrode layer 130 may not be completely transparent.Excessive for fear of electrode layer 130 and perceptual masking layer 120a, 150a aberration.First look shielding layer 120a and the second perceptual masking layer 150a can be gradually and arrange layer, to reduce the aberration of electrode layer 130 and First look shielding layer 120a.In the present embodiment, the gradually layer opposite direction of First look shielding layer 120a and the second perceptual masking layer 150a.For example, in the present embodiment, the gradually layer direction of First look shielding layer 120a served as reasons thin out toward the direction near viewing area D away from the position of viewing area D.In other words, more shallow near the First look shielding layer 120a color of viewing area D, make electrode layer 130 less obvious with the aberration of First look shielding layer 120a.Relatively, the second perceptual masking layer 150a of covers electrode layer 130 and First look shielding layer 120a, its color near viewing area D is darker, so as can with the gradually layer pattern complementation of First look shielding layer 120a, make the color of fringe region E more consistent.
In Fig. 2 A, the gradually layer of First look shielding layer 120a and the second perceptual masking layer 150a, can be to be made up of multiple ink point P, and the width of each ink point P can be 50 μ m to 100 μ m.In the present embodiment, perceptual masking layer 120a, 150a can be by adjusting the distribution of ink point P and the arrangement mode effect to produce gradually layer.For example, Fig. 2 D to Fig. 2 H is the gradually difference enforcement example schematic of layer of ink point P arrangement of Fig. 2 A.Shown in Fig. 2 A gradually layer in, the distribution of ink point P and arrangement mode can be to disperse point type (as shown in Figure 2 D), or random dispersion graphic (as shown in Figure 2 E), or GTG distributing (as shown in Figure 2 F), or gridiron pattern point type (as shown in Figure 2 G), or gridiron pattern point type and the distributed combination of GTG (as shown in Fig. 2 H).But the present invention does not limit size and the arrangement mode of ink point P at this.
In addition, First look shielding layer 120a and the second perceptual masking layer 150a are all light tone (for example white etc.) ink, and are gradually layer ground setting.For fear of causing because of layer gradually, white ink thickness is not enough affects outward appearance, and contact panel 100a more comprises at least one the 3rd perceptual masking layer 160, is arranged on the second perceptual masking layer 150a.In the present embodiment, the gross thickness of First look shielding layer 120a, the second perceptual masking layer 150a and the 3rd perceptual masking layer 160 is between 40 μ m to 50 μ m.For example, the thickness of First look shielding layer 120a can be 10～20 μ m, and the second perceptual masking layer 150a can adjust on demand with the thickness of the 3rd perceptual masking layer 160 again.But the present invention is not limited at this.In other embodiments, if the gross thickness of First look shielding layer 120 and the second perceptual masking layer 150 enough reaches perceptual masking effect, the 3rd perceptual masking layer 160 can be omitted according to product design demand.
Please continue to refer to Fig. 2 A to Fig. 2 C, metal material layer 140 electrically conducts with electrode layer 130, for example, in the time that electrode layer 130 senses touch event (being that user's finger is near electrode layer 130), metal material layer 140 can be passed to the touching signals of electrode layer 130 the driving element (not shown) of contact panel 100a.In the present embodiment, metal material layer 140 is arranged between First look shielding layer 120a and the second perceptual masking layer 150a.Metal material layer 140 comprises many metal line 142, and the live width of each metal wire 142 is for example between 5 μ m to 30 μ m.
But the present invention does not limit the position that metal material layer arranges.Below again for an embodiment explanation, the sectional view of the contact panel that Fig. 3 A is yet another embodiment of the invention.Fig. 3 B is the explosive view of Fig. 3 A.Please refer to Fig. 3 A and Fig. 3 B, in the contact panel 200 of Fig. 3 A, First look shielding layer 220 is arranged at least one fringe region E of substrate 210.Complete after the arranging of First look shielding layer 220, then electrode layer 230 is being arranged on substrate 210.Complete after the arranging of electrode layer 230, then the second perceptual masking layer 250 is arranged to fringe region E and is stacked and placed on First look shielding layer 220.That is to say, the second perceptual masking layer 250 is covered on electrode layer 230.Therefore, the part of electrode layer 230 is just folded between First look shielding layer 220 and the second perceptual masking layer 250.Complete after the arranging of the second perceptual masking layer 250, then metal material layer 240 is being arranged on the second perceptual masking layer 250 of fringe region E.
Other implementation details of Fig. 3 A and Fig. 3 B illustrated embodiment can be analogized with reference to the related description of the related description of Figure 1B and Fig. 1 C and Fig. 2 A and Fig. 2 B.The difference of Fig. 3 A and Fig. 3 B illustrated embodiment and Fig. 2 A and Fig. 2 B illustrated embodiment, is that metal material layer 240 is to be arranged on the second perceptual masking layer 250.Although metal material layer 240 shown in Fig. 3 A and Fig. 3 B is folded between the second perceptual masking layer 250 and the 3rd perceptual masking layer 260, electrode layer 230 is folded between First look shielding layer 220 and the second perceptual masking layer 250, but metal material layer 240 can electrically conduct with electrode layer 230 by the gap between each ink point P of the second perceptual masking layer 250.
In addition.The present invention does not limit the gradually layer direction of perceptual masking layer yet.The sectional view of the contact panel that for example, Fig. 4 A is further embodiment of this invention.Fig. 4 B is the explosive view of Fig. 4 A.Fig. 4 C is that the contact panel of Fig. 4 A arranges the schematic diagram after First look shielding layer.In Fig. 4 C, for the clear metal material layer 340 that contact panel is shown, therefore dotted line is omitted and do not illustrated gradually layer with the ink point P of exterior domain.Fig. 4 A to Fig. 4 C illustrated embodiment can be analogized with reference to the related description of the related description of the related description of Figure 1B to Fig. 1 D, Fig. 2 A to Fig. 2 C and Fig. 3 A to Fig. 3 B.Please refer to Fig. 4 A to Fig. 4 C, in the present embodiment, contact panel 300 comprises substrate 310, First look shielding layer 320, electrode layer 330, metal material layer 340 and the second perceptual masking layer 350 equally, and First look shielding layer 320 and the second perceptual masking layer 350 are similarly gradually layer and arrange, and layer opposite direction gradually.But in Fig. 4 B, the gradually layer direction of First look shielding layer 320 served as reasons past thin out away from the direction of viewing area D, in other words, more shallow away from First look shielding layer 320 colors of viewing area D near the position of viewing area D.
In addition, the present invention does not limit gradually layer effect shared ratio in perceptual masking layer yet.Fig. 5 A is the more sectional view of the contact panel of an embodiment of the present invention.Fig. 5 B is the explosive view of Fig. 5 A.Fig. 5 A to Fig. 5 B illustrated embodiment can be analogized with reference to the related description of the related description of the related description of the related description of Figure 1B to Fig. 1 D, Fig. 2 A to Fig. 2 C, Fig. 3 A to Fig. 3 B and Fig. 4 A to Fig. 4 C.Please refer to Fig. 5 A and Fig. 5 B, in the present embodiment, contact panel 400 comprises substrate 410, First look shielding layer 420, electrode layer 430, metal material layer 440 and the second perceptual masking layer 450 equally.Different from contact panel 200 shown in Fig. 3 A to Fig. 3 B, the gradually layer effect of First look shielding layer 420 and the second perceptual masking layer 450 is not only arranged at the annular section of fringe region E near viewing area D, and is more covered with whole fringe region E.In other words, layer effect shared scale gradually in perceptual masking layer, can be according to design requirement adjustment, and the present invention is not limited at this.
In sum, in contact panel of the present invention, the setting that perceptual masking layer is multilayer, after First look shielding layer is arranged at fringe region, electrode layer just can be arranged on viewing area and First look shielding layer, and then the second perceptual masking layer is covered on electrode layer.In addition, First look shielding layer and the second perceptual masking layer more can adopt the gradually design of layer, to reduce the difference of perceptual masking layer and electrode layer color.Therefore, contact panel of the present invention not only can maintain the thickness of perceptual masking layer to avoid affecting outward appearance, and the difference in height that electrode layer covers viewing area and fringe region can be lowered, to avoid causing electrode layer broken string because difference in height is excessive.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a contact panel, in order to a touching signals to be provided, is characterized in that, comprising:
One substrate, has a surface;
One First look shielding layer, is arranged at least one fringe region on this surface;
One electrode layer, one of this electrode layer is arranged at a viewing area of adjacent this fringe region on this surface, and another portion of this electrode layer covers at least a portion of this First look shielding layer, wherein, in the time that this contact panel is touched by an object or be close, this electrode layer correspondence produces this touching signals;
One metal material layer, is arranged at this fringe region, and electrically conducts with this electrode layer, and wherein this metal material layer is in order to be passed to a driving element by this touching signals; And
One second perceptual masking layer, is arranged at this fringe region and is stacked and placed on this First look shielding layer, and wherein described another part of this electrode layer is folded between this First look shielding layer and this second perceptual masking layer.
2. contact panel according to claim 1, is characterized in that, this First look shielding layer and this second perceptual masking layer are gradually layer ground setting, and the gradually layer opposite direction of this First look shielding layer and this second perceptual masking layer.
3. contact panel according to claim 2, is characterized in that, the gradually layer direction of this First look shielding layer served as reasons thin out toward the direction near this viewing area away from the position of this viewing area.
4. contact panel according to claim 2, is characterized in that, the gradually layer direction of this First look shielding layer served as reasons past thin out away from the direction of this viewing area near the position of this viewing area.
5. contact panel according to claim 2, is characterized in that, the gradually layer of this First look shielding layer and this second perceptual masking layer is made up of multiple ink points, and respectively the width of this ink point is 50 μ m to 100 μ m.
6. contact panel according to claim 5, it is characterized in that, point type, random dispersion are graphic in order to disperse for the distribution of those ink points of this First look shielding layer and this second perceptual masking layer and arrangement mode, GTG distributing or gridiron pattern point type, or gridiron pattern point type and the distributed combination of GTG.
7. contact panel according to claim 1, is characterized in that, also comprises one the 3rd perceptual masking layer, is arranged on this second perceptual masking layer.
8. contact panel according to claim 1, is characterized in that, this metal material layer is arranged between this First look shielding layer and this second perceptual masking layer.
9. contact panel according to claim 1, is characterized in that, this metal material layer is arranged on this second perceptual masking layer.
10. contact panel according to claim 1, is characterized in that, the material of this First look shielding layer and this second perceptual masking layer is white ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060182.7A CN104007862B (en) | 2013-02-26 | 2013-02-26 | Contact panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060182.7A CN104007862B (en) | 2013-02-26 | 2013-02-26 | Contact panel |
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| CN104007862A true CN104007862A (en) | 2014-08-27 |
| CN104007862B CN104007862B (en) | 2016-12-28 |
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| CN201310060182.7A Active CN104007862B (en) | 2013-02-26 | 2013-02-26 | Contact panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022543A (en) * | 2015-07-14 | 2015-11-04 | 山东华芯富创电子科技有限公司 | OGS (One Glass Solution) touch screen structure and electronic device |
| CN106055180A (en) * | 2015-04-02 | 2016-10-26 | 株式会社日本显示器 | Sensor-equipped display device |
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| US6305073B1 (en) * | 1999-12-29 | 2001-10-23 | Gm Nameplate, Inc. | One-sided electrode arrangement on an intermediate spacer for a touchscreen |
| CN1918538A (en) * | 2003-12-15 | 2007-02-21 | 3M创新有限公司 | Wiring harness and touch sensor incorporating same |
| TWM428424U (en) * | 2011-10-13 | 2012-05-01 | Tpk Touch Solutions Xiamen Inc | Touch devices |
| TWM446367U (en) * | 2012-03-01 | 2013-02-01 | Tpk Glass Solutions Xiamen Inc | Touch device |
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2013
- 2013-02-26 CN CN201310060182.7A patent/CN104007862B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6305073B1 (en) * | 1999-12-29 | 2001-10-23 | Gm Nameplate, Inc. | One-sided electrode arrangement on an intermediate spacer for a touchscreen |
| CN1918538A (en) * | 2003-12-15 | 2007-02-21 | 3M创新有限公司 | Wiring harness and touch sensor incorporating same |
| TWM428424U (en) * | 2011-10-13 | 2012-05-01 | Tpk Touch Solutions Xiamen Inc | Touch devices |
| TWM446367U (en) * | 2012-03-01 | 2013-02-01 | Tpk Glass Solutions Xiamen Inc | Touch device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055180A (en) * | 2015-04-02 | 2016-10-26 | 株式会社日本显示器 | Sensor-equipped display device |
| US10459551B2 (en) | 2015-04-02 | 2019-10-29 | Japan Display Inc. | Sensor-equipped display device |
| CN105022543A (en) * | 2015-07-14 | 2015-11-04 | 山东华芯富创电子科技有限公司 | OGS (One Glass Solution) touch screen structure and electronic device |
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| Publication number | Publication date |
|---|---|
| CN104007862B (en) | 2016-12-28 |
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