CN105487698A - Touch panel and touch display panel - Google Patents
Touch panel and touch display panel Download PDFInfo
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- CN105487698A CN105487698A CN201410471848.2A CN201410471848A CN105487698A CN 105487698 A CN105487698 A CN 105487698A CN 201410471848 A CN201410471848 A CN 201410471848A CN 105487698 A CN105487698 A CN 105487698A
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Abstract
The invention discloses a touch panel and a touch display panel.The touch display panel comprises a display layer and the touch panel. The touch panel comprises a substrate having a display area and a shielding area, a black matrix and a touch transparent electrode layer. The shielding area surrounds the display area. The black matrix is arranged above the shielding area. The touch transparent electrode layer is arranged on the display area of the substrate. The part of the touch transparent electrode layer extends above the black matrix. The touch transparent electrode layer comprises multiple electrode patterns comprising multiple first appearance electrode patterns located in the shielding area. The shapes of the multiple first appearance electrode patterns are polygons having fillets.
Description
Technical field
The present invention relates to a kind of contact panel and touch-control display panel, and particularly relate to a kind of electrode pattern there is the contact panel and touch-control display panel of leading fillet.
Background technology
One-chip type touch panel (WindowIntegratedSensor, referred to as WIS) is that one forms transparency electrode at watch crystal (coverglass), to provide the technology of touch-control sensing function.The contact panel of application window type integration sensing device technology, its thickness comparatively adopts the contact panel of double glazing (GGtype) thinner.
Refer to Fig. 1, it forms the schematic diagram of black matrix" on the surface glass layer of one-chip type touch panel.For ease of the formula of painting the relation of surface glass layer 10 and black matrix" 11 is described, the surface glass layer 10 of this accompanying drawing is not complete overlapping with black matrix" 11.
In the manufacture process of one-chip type touch panel, the black matrix" (blackmatrix, referred to as BM) 11 with opening can be formed in the top of surface glass layer 10.The opening part of black matrix" 11 is positioned at the viewing area 10b of surface glass layer 10, and black matrix" is then formed at the shielded area 10a of surface glass layer 10.As seen from Figure 1, the black matrix" 11 for covering light source comprises outer boundaries Eext and border, inner side Ein.Wherein inner side border Ein represents the periphery of viewing area 10b.
Refer to Fig. 2, the schematic diagram of its touch-control transparent electrode layer.Touch-control transparent electrode layer 13 comprises and is arranged as M row and the capable electrode pattern (ITOsensorpattern) of N.Be positioned at same row and electrode pattern adjacent one another are forms horizontal electrode 131 jointly, be positioned at same a line and electrode pattern adjacent one another are forms vertical electrode 132 jointly.Between each horizontal electrode 131 and each vertical electrode 132, interlaced with each other and form the array of an electrode pattern.
Touch-control transparent electrode layer 13 is formed at above surface glass layer 10 and black matrix" 11.Wherein, touch-control transparent electrode layer 13, near the electrode pattern of Outboard Sections, is positioned at the shielded area of surface glass layer 10 and the top of black matrix" 11.On the other hand, the electrode pattern of the core of touch-control transparent electrode layer, is positioned at the position of black matrix" 11 open area (that is, the viewing area of surface glass layer 10).
After black matrix" is formed, the manufacture craft of touch-control display panel also comprises display layer, conductive layer, insulation course etc.These follow-up manufacture processes need to use high temperature (such as: 300 degree Celsius).But, the material non-refractory of black matrix" 11, and the high temperature of subsequent manufacturing processes will make black matrix" 11 produce carbonization phenomenon.Black matrix" 11 after being carbonized has lower resistance, even thus has electric conductivity slightly.
Now, be formed at electrode pattern (ITOSensorpattern) above black matrix" 11 if there is more sharp-pointed, tiny design, its electric density is higher with electric field intensity.Charge accumulation on the electrode pattern of touch-control transparent electrode layer 13 is to a certain degree, and cause when to produce very large voltage difference between transparency electrode, electrode pattern the phenomenon of point discharge will occur.Because of the phenomenon of this kind of point discharge, cause the black matrix" 11 of the electric conductivity had slightly to be wounded by static discharge (ElectrostaticDischarge, referred to as ESD), and then to cause in face light leak or make transparency electrode short circuit.
Summary of the invention
For solving the problem, according to a first aspect of the invention, proposing a kind of contact panel, comprising: a substrate, have a viewing area and a shielded area, this shielded area is around this viewing area; One black matrix", is arranged at the top of this shielded area of this substrate; And a touch-control transparent electrode layer, be arranged on this viewing area of substrate, and this touch-control transparent electrode layer of part extends to the top of this black matrix", this touch-control transparent electrode layer comprises multiple electrode pattern, wherein the plurality of electrode pattern comprises the multiple first outward appearance electrode patterns being positioned at this shielded area, and the shape of the plurality of first outward appearance electrode pattern is have the polygon of leading fillet.
According to a second aspect of the invention, propose a kind of touch-control display panel, comprise: a display layer; And a contact panel, above this display panel, this contact panel comprises: a substrate, and have a viewing area and a shielded area, this shielded area is around this viewing area; One black matrix", is arranged at the top of this substrate and is positioned at this shielded area; And a touch-control transparent electrode layer, be arranged on this viewing area of substrate, and this touch-control transparent electrode layer of part extends to the top of this black matrix", this touch-control transparent electrode layer comprises multiple electrode pattern, wherein the plurality of electrode pattern comprises the multiple first outward appearance electrode patterns being positioned at this shielded area, and the shape of the plurality of first outward appearance electrode pattern is have the polygon of leading fillet.
In order to have better understanding to above-mentioned and other aspect of the present invention, preferred embodiment cited below particularly, and the accompanying drawing appended by coordinating, be described in detail below:
Accompanying drawing explanation
Fig. 1 is the schematic diagram forming black matrix" on the surface glass layer of one-chip type touch panel;
Fig. 2 is the schematic diagram of touch-control transparent electrode layer;
Fig. 3 is the schematic diagram that the present invention forms touch-control transparent electrode layer on black matrix";
Fig. 4 is the process flow diagram of the manufacture contact panel that the present invention proposes;
Fig. 5 A is the schematic diagram of the touch-control transparent electrode layer be positioned at above shielded area;
Fig. 5 B is the schematic diagram of the touch-control transparent electrode layer be positioned at above viewing area;
Fig. 6 is the schematic diagram that a kind of electrode pattern to the contact panel upper right corner, cross-over configurations and conductive junction point capture tangent plane;
Fig. 7 A is the folded composition of first embodiment of the invention;
Fig. 7 B is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 6 of first embodiment of the invention;
Fig. 8 A is the folded composition of second embodiment of the invention;
Fig. 8 B is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 6 of second embodiment of the invention;
Fig. 9 A is the folded composition of third embodiment of the invention;
Fig. 9 B is the schematic diagram that the another kind of electrode pattern to the contact panel upper right corner, cross-over configurations and conductive junction point capture tangent plane;
Fig. 9 C is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 9 B of third embodiment of the invention;
Figure 10 is the folded composition of touch-control display panel of the present invention.
Symbol description
Surface glass layer: 10,30,70,80,90
Black matrix": 11,21,36,71,81,91
Shielded area: 10a viewing area: 10b
Border, inner side: Ein outer boundaries: Eext
Horizontal electrode: 131,31 vertical electrodes: 132,32
Touch-control transparent electrode layer: 13,23,73,83,93
First outward appearance electrode pattern: 23a, 31a, 32a
Second outward appearance electrode pattern: 23b the 3rd outward appearance electrode pattern: 23c
The end points section of horizontal electrode: 231a
The end points section of vertical electrode: 232a
The centre portion of horizontal electrode: 231b
The centre portion of vertical electrode: 232b
Insulation course: 33b, 76,86,96
Conductive layer: 33a, 74,84,94
The conduction end points of horizontal direction: the conduction end points 35 of 34 vertical direction
Protective seam: 37,77,87,97 cross-over configurations 33
First line segment ~ the 13 line segment: L1 ~ L13
Contact panel: 101 display layers: 103
Embodiment
Suppose that the face shaping of electrode pattern is roughly polygon (Li as ︰ rhombus or isosceles triangle herein).In order to improve touch-control transparency electrode because the static discharge phenomenon that causes of stored charge, the present invention gives chapter and verse the position of electrode pattern, changes the practice of the face shaping of electrode pattern.
Refer to Fig. 3, it is the schematic diagram that the present invention forms touch-control transparent electrode layer on substrate and black matrix".Touch-control transparent electrode layer 23 is arranged on above substrate and black matrix" 21, and touch-control transparent electrode layer 23 comprises multiple electrode pattern.
Touch-control transparent electrode layer 23 comprises M row horizontal electrode, and the capable vertical electrode of N.Each horizontal electrode be included in horizontal direction adjacent one another are and serial connection N number of electrode pattern.Each vertical electrode be included in Vertical Square adjacent one another are and serial connection M electrode pattern.No matter be horizontal electrode or vertical electrode, can whether be positioned at the top of black matrix" according to the position of electrode pattern again and define different sections.That is, the electrode pattern be positioned at above black matrix" 21 is defined as the end points section of vertical/horizontal electrode; And, the electrode pattern above the opening part being positioned at black matrix" is defined as the centre portion of vertical/horizontal electrode.
According to conception of the present invention, the outward appearance of electrode pattern can determine according to the difference of position.Electrode pattern is divided into three kinds of outward appearances below.
To being positioned at above shielded area and the electrode pattern overlapping with black matrix" 21, select to have lead fillet polygon as its outward appearance.Such as: three angles are the isosceles triangle of leading fillet, or four angles are the rhombus of leading fillet.These outward appearances are have the polygonal electrode pattern of leading fillet to be defined as the first outward appearance electrode pattern 23a.The several first outward appearance electrode pattern 23a of formula is painted in the upper right side amplification of Fig. 3.Wherein, no matter the first outward appearance electrode pattern 23a is positioned at the end points section 231a of horizontal electrode or is positioned at the end points section 232a of vertical electrode, is and leads fillet between two dual-sides of the first outward appearance electrode pattern 23a.Lead the radius-of-curvature of fillet between 20-100 μm.If the radius-of-curvature leading fillet, when 30-70 μm (such as: 50 μm), slows down the phenomenon of charge concentration in tip more remarkable.
For being positioned at electrode pattern not overlapping with black matrix" 21 above viewing area, select the angular polygon of tool as its outward appearance.Such as: four angles are the rhombus of wedge angle.Wherein, wedge angle signature song rule radius is the angle of 0, can be acute angle, right angle or obtuse angle.These outward appearances are that the angular polygonal electrode pattern of tool is defined as the second outward appearance electrode pattern 23b.The several second outward appearance electrode pattern of formula is painted in the lower right amplification of Fig. 3.Wherein, no matter the second outward appearance electrode pattern 23b is positioned at the centre portion 231b of horizontal electrode or is positioned at the centre portion 232b of vertical electrode, forms wedge angle between two dual-sides of the second outward appearance electrode pattern 23b.
Moreover, be divided into that part is positioned at above viewing area by border, the inner side Ein of black matrix" 11, part is positioned at electrode pattern above shielded area, is defined as the 3rd outward appearance electrode pattern 23c.3rd outward appearance electrode pattern 23 roughly presents rhombus, but four of rhombus angles then can be selected according to the position at angle place adopt wedge angle or lead fillet.Hold, the three outward appearance electrode pattern 23c overlapping with border, the inner side Ein of black matrix" 11, is across viewing area and shielded area simultaneously.Wherein, if when the angle of the 3rd outward appearance electrode pattern 23c is positioned at above viewing area adopt wedge angle, and if the angle of the 3rd outward appearance electrode pattern 23c is positioned at above shielded area time adopt lead fillet.Wherein, the radius-of-curvature of fillet is led between 20-100 μm.If the radius-of-curvature leading fillet, when 30-70 μm (such as: 50 μm), slows down the phenomenon of charge concentration in tip more remarkable.
According to conception of the present invention, when the angle of electrode pattern is positioned at above shielded area, between two dual-sides of electrode pattern and non-formation wedge angle, and for leading fillet.On the other hand, when the angle of electrode pattern is positioned at above viewing area, two dual-sides of electrode pattern form wedge angle.Based on the visual consideration maintaining touch-control transparency electrode, lead fillet design only for being positioned at the angle of the electrode pattern of shielded area.
Refer to Fig. 4, it is the manufacturing flow chart of the contact panel that the present invention proposes.First provide a substrate (that is, surface glass layer) (step S1).Wherein, substrate has viewing area and shielded area, and shielded area is centered around the periphery of viewing area.Secondly, above the shielded area of substrate, black matrix" (step S3) is formed.Moreover, form touch-control transparent electrode layer (step S5) in surface.Touch-control transparent electrode layer is mainly formed at above viewing area, for providing touch-control sensing function.The touch-control transparent electrode layer of part extends to the top of black matrix".
Wherein, touch-control transparent electrode layer comprises multiple electrode pattern.About how according to the position of electrode pattern, form difform electrode pattern, please further referring to the explanation of Fig. 5 A, Fig. 5 B.
Refer to Fig. 5 A, it is the schematic diagram of the touch-control transparent electrode layer be positioned at above shielded area.Accompanying drawing can be found out thus, and the first outward appearance electrode pattern 23a be positioned at above shielded area roughly presents rhombus or triangle, and between two dual-sides of the first outward appearance electrode pattern 23a, fillet is led in formation.In addition, the part of crossing in addition at the 3rd outward appearance electrode pattern 23c of border, the inner side Ein of black matrix" above shielded area is positioned at.For the part be positioned at above shielded area the 3rd outward appearance electrode pattern 23c, its two dual-side is formed and leads fillet.
Refer to Fig. 5 B, it is the schematic diagram of the touch-control transparent electrode layer be positioned at above viewing area.Accompanying drawing can be found out thus, and the second outward appearance electrode pattern 23b be positioned at above viewing area is rhombus, and forms wedge angle between two dual-sides of the second outward appearance electrode pattern 23b.In addition, the part of crossing in addition at the 3rd outward appearance electrode pattern 23c of border, the inner side Ein of black matrix" above viewing area is positioned at.For the part be positioned at above viewing area the 3rd outward appearance electrode pattern 23c, its two dual-side forms wedge angle.
Refer to Fig. 6, it is the schematic diagram that a kind of electrode pattern to the contact panel upper right corner, cross-over configurations and conductive junction point capture tangent plane.Black matrix" 36 is first formed above surface glass layer 30.For ease of illustrating, supposing the outer boundaries Eext of black matrix" 36 and protective seam herein, the border of surface glass layer 30 overlaps each other.
When adopting individual layer touch-control transparent electrode layer technology, in order to avoid horizontal electrode 31 and vertical electrode 32 short circuit each other, the electrode pattern on one of them direction can be connected to each other by cross-over configurations 33.
Li comprises multiple cross-over configurations 33, the electrode pattern in cross-over connection horizontal direction as each horizontal electrode 31 of ︰.The each self-contained insulation course 33b and conductive layer 33a of each cross-over configurations 33.Insulation course 33b is covered in the top of vertical electrode, and conductive layer 33a to be arranged at above insulation course 33b and the corresponding horizontal electrode 31 being connected to both sides.In addition, protective seam 37 is covered in the top.Wherein, the material of conductive layer 33a can be metal material or transparent conductive material.
Moreover the first outward appearance electrode pattern 31a being positioned at horizontal electrode 31 side is external to flexible printed wiring board (FlexiblePrintCircuit, referred to as FPC) by the conduction end points 34 of horizontal direction.The the first outward appearance electrode pattern 32a being positioned at vertical electrode 32 side is external to flexible printed wiring board by the conduction end points 35 of vertical direction.
The tangent line L of Fig. 6 passes through electrode pattern on three horizontal electrodes 31, two across the conduction end points 34 of the cross-over configurations 33 between horizontal electrode 31 with horizontal direction.According to the position of tangent line L process and the different of each material layer structures, tangent line L can divide into 13 line segments further.In these line segments, the first line segment L1 to the 6th line segment L6 corresponds to viewing area, the 7th line segment L7 to the 13 line segment L13 corresponds to shielded area.
The tangent plane corresponding with the tangent line L of Fig. 6, can present different sections according to the difference of line segment.When below utilizing two embodiments that the contact panel formed as Fig. 6 is described, each of the different line segments (first line segment L1 to ten three line segment L13) corresponding from tangent line L is stacking.Subsidiary one carries, following about contact panel stacking description order, all according to direction from bottom to top.
During practical application, in the different line segments of contact panel on tangent line L, the stacking material of actual formation is also not quite similar.Conception of the present invention can flexible application in different manufacture craft, application of the present invention is not limited with following embodiment.
Refer to Fig. 7 A, it is the folded composition of first embodiment of the invention.In brief, this embodiment sequentially forms black matrix" 71, touch-control transparent electrode layer 73, insulation course 76, conductive layer 74 and protective seam 77 above surface glass layer 70.
First the first embodiment of the present invention provides surface glass layer 70.Secondly above surface glass layer 70, form the black matrix" 71 with opening.Then, more further above surface glass layer 70 with black matrix" 71, touch-control transparent electrode layer 73 is formed.Wherein, touch-control transparent electrode layer 73 comprises horizontal electrode and vertical electrode.The insulation course 76 for preventing horizontal electrode and vertical electrode to be short-circuited is formed above touch-control transparent electrode layer 73.Thereafter, above insulation course 76, form the conductive layer 73 of cross-over connection horizontal electrode.In addition, conductive layer 73 is also for being external to the conduction end points of flexible printed wiring board by transparency electrode.Finally, protective seam 77 is formed in conductive layer 74, touch-control transparent electrode layer 73 with the top of black matrix" 71.
Refer to Fig. 7 B, it is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 6 of first embodiment of the invention.
First illustrate and be positioned at the stacking of each line segment (the first line segment L1 ~ the 6th line segment L6) of viewing area.Contact panel the first line segment L1 and the 6th line segment L6 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 70, touch-control transparent electrode layer 73 (as horizontal electrode), protective seam 77.Contact panel the second line segment L2 and the 5th line segment L5 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 70, touch-control transparent electrode layer 73 (as horizontal electrode), conductive layer 74 (for cross-over connection horizontal electrode), protective seam 77.Contact panel is respectively the 3rd the stacking of line segment L3: surface glass layer 70, insulation course 76 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 74 (for cross-over connection horizontal electrode), protective seam 77.Contact panel is respectively the 4th the stacking of line segment L4: surface glass layer 70, touch-control transparent electrode layer 73 (as vertical electrode), insulation course 76 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 74 (for cross-over connection horizontal electrode), protective seam 77.
Secondly illustrate and be positioned at the stacking of each line segment (the 7th line segment L7 ~ the 13 line segment L13) of shielded area.Contact panel the 7th line segment L7 and the 12 line segment L12 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 70, black matrix" 71, touch-control transparent electrode layer 73 (as horizontal electrode), protective seam 77.Contact panel the 8th line segment L8 and the 11 line segment L11 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 70, black matrix" 71, touch-control transparent electrode layer 73 (as horizontal electrode), conductive layer 74, protective seam 77.Contact panel is respectively the 9th the stacking of line segment L9: surface glass layer 70, black matrix" 71, insulation course 76 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 74 (for cross-over connection horizontal electrode), protective seam 77.Contact panel is respectively the tenth the stacking of line segment L10: surface glass layer 70, black matrix" 71, touch-control transparent electrode layer 73 (as vertical electrode), insulation course 76 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 74 (for cross-over connection horizontal electrode), protective seam 77.Contact panel is respectively the 13 the stacking of line segment L13: surface glass layer 70, black matrix" 71, touch-control transparent electrode layer 73 (as horizontal electrode), conductive layer 74 (for connecting the conductive junction point of horizontal electrode and flexible circuit board), protective seam 77.
Can find according to aforementioned explanation, because black matrix" 71 is arranged at the cause above shielded area, each line segment in shielded area stacking except another containing one deck black matrix" 71, all the other each layers then with each line segment stacking similar being arranged in shielded area similar applications.Such as: the 3rd line segment L3 is same with the 9th line segment L9 corresponds to cross-over configurations, and this stacking difference corresponding to two line segments is, 9th line segment L9 separately arranges one deck black matrix" 71 above surface glass layer 70, stacking similar then with above the surface glass layer 70 of the 3rd line segment L3 of stacking above black matrix" 71.
Refer to Fig. 8 A, it is the folded composition of second embodiment of the invention.Compare with Fig. 7 A, the insulation course 86 of this embodiment, not only for intercepting the short circuit between horizontal electrode and vertical electrode, is also formed at the top of black matrix" 81 further, is subject to wounding of static discharge for preventing black matrix" 81.
First this embodiment provides surface glass layer 80.Secondly above the shielded area of surface glass layer 80, black matrix" 81 is formed.Then, the touch-control transparent electrode layer 83 comprising horizontal electrode and vertical electrode is set.Insulation course 86 is set thereafter.Wherein, insulation course 86 is formed between horizontal electrode and vertical electrode, is short-circuited between horizontal electrode and vertical electrode for preventing.On the other hand, insulation course 86 is also formed at the top of horizontal electrode and black matrix" 81, for the damage preventing electrostatic from causing black matrix" 81.Moreover, conductive layer 84 is set above insulation course 86, for connecting horizontal electrode.The conductive layer 84 of a part is as the conduction end points be connected with flexible printed wiring board.Thereafter, above insulation course 86, conductive layer 84, protective seam 87 is formed.
Refer to Fig. 8 B, it is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 6 of second embodiment of the invention.
First illustrate and be positioned at the stacking of each line segment (the first line segment L1 ~ the 6th line segment L6) of viewing area.Contact panel the first line segment L1 and the 6th line segment L6 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 80, touch-control transparent electrode layer 83 (as horizontal electrode), protective seam 87.Contact panel the second line segment L2 and the 5th line segment L5 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 80, touch-control transparent electrode layer 83 (as horizontal electrode), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.Contact panel is respectively the 3rd the stacking of line segment L3: surface glass layer 80, insulation course 86 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.Contact panel is respectively the 4th the stacking of line segment L4: surface glass layer 80, touch-control transparent electrode layer 83 (as vertical electrode), insulation course 86 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.
Secondly illustrate and be positioned at the stacking of each line segment (the 7th line segment L7 ~ the 13 line segment L13) of shielded area.Contact panel the 7th line segment L7 and the 12 line segment L12 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 80, black matrix" 81, touch-control transparent electrode layer 83 (as horizontal electrode), insulation course 86 (preventing damage by static electricity black matrix"), protective seam 87.Contact panel the 8th line segment L8 and the 11 line segment L11 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 80, black matrix" 81, touch-control transparent electrode layer 83 (as horizontal electrode), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.Contact panel is respectively the 9th the stacking of line segment L9: surface glass layer 80, black matrix" 81, insulation course 86 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.Contact panel is respectively the tenth the stacking of line segment L10: surface glass layer 80, black matrix" 81, touch-control transparent electrode layer 83 (as vertical electrode), insulation course 86 (preventing horizontal electrode and vertical electrode to be short-circuited), conductive layer 84 (for cross-over connection horizontal electrode), protective seam 87.Contact panel is respectively the 13 the stacking of line segment L13: surface glass layer 80, black matrix" 81, touch-control transparent electrode layer 83 (as horizontal electrode), conductive layer 84 (conductive junction point as horizontal direction), protective seam 87.
Refer to Fig. 9 A, it is the folded composition of third embodiment of the invention.Sequentially stacked black matrix" 91, conductive layer 94, insulation course 96, touch-control transparent electrode layer 93 and protective seam 97 in the bottom surface of surface glass layer 90.Same, insulation course 96, not only for intercepting the short circuit between horizontal electrode and vertical electrode, also can prevent black matrix" 91 to be subject to wounding of static discharge further.This embodiment forms the order of conductive layer 94, insulation course 96 above black matrix" 81, opposite each other with the formation order of Fig. 8 A.In response to the difference of this formation order, after this embodiment first forms cross-over configurations, then form touch-control transparent electrode layer 93 in the top of insulation course 96.
Refer to Fig. 9 B, it is the schematic diagram that the another kind of electrode pattern to the contact panel upper right corner, cross-over configurations and conductive junction point capture tangent plane.This embodiment additionally forms insulation course 96 between black matrix" 91 and touch-control transparent electrode layer 93, provides the function of further electrostatic defending.
First surface glass layer 90 is provided.Secondly above the shielded area of surface glass layer 90, black matrix" 91 is formed.Then, on position corresponding with vertical electrode, horizontal electrode confluce on surface glass layer 90, and conductive layer 94 is formed above the black matrix" 91 of the part near outside.Surface glass layer 90 is used for the conductive layer 94 on vertical electrode, horizontal electrode confluce opposite position being connected the electrode pattern of vertical electrode.The conductive layer 94 formed above the black matrix" 91 of the part near outside, then as conduction end points horizontal electrode being external to flexible printed wiring board.
Above conductive layer 94, surface glass layer 90, insulation course 96 is set, for preventing horizontal electrode and vertical electrode to be short-circuited, and the damage preventing electrostatic from causing black matrix" 91.Then, touch-control transparent electrode layer 93 and protective seam 97 is formed.
The tangent plane corresponding with the tangent line L of Fig. 9 B, can present different sections according to the difference of line segment.Each of the different line segments (the first line segment L1 is to the 7th line segment L7) below utilizing Fig. 9 C explanation corresponding from tangent line L is stacking.Same, following about contact panel stacking description, all according to formation order from bottom to top.
Refer to Fig. 9 C, it is the cut-open view of contact panel corresponding to the tangent line L position of Fig. 9 B of third embodiment of the invention.
First illustrate and be positioned at the stacking of each line segment (the first line segment L1 ~ the 5th line segment L5) of viewing area.Contact panel the first line segment L1 and the 4th line segment L4 stacking similar and symmetrical, be from bottom to top respectively: surface glass layer 90, touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is stacked as the second line segment L2's: surface glass layer 90, insulation course 96 (preventing horizontal electrode and vertical electrode to be short-circuited), touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is respectively the 3rd the stacking of line segment L3: surface glass layer 90, conductive layer 94 (connecting vertical electrode in as cross-over configurations to use), insulation course 96, touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is respectively the 5th the stacking of line segment L5: surface glass layer 90, insulation course 96 (preventing damage by static electricity black matrix"), touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.
Secondly illustrate and be positioned at the stacking of each line segment (the 6th line segment L6 ~ the tenth line segment L10) of shielded area.Contact panel is stacked as the 6th line segment L6's: surface glass layer 90, black matrix" 91, insulation course 96 (preventing damage by static electricity black matrix"), touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is stacked as the 7th line segment L7's: surface glass layer 90, black matrix" 91, insulation course 96 (preventing horizontal electrode and vertical electrode to be short-circuited), touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is stacked as the 8th line segment L8's: surface glass layer 90, black matrix" 91, conductive layer 94 (connecting vertical electrode in as cross-over configurations to use), insulation course 96, touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is stacked as the 9th line segment L9's: surface glass layer 90, black matrix" 91, conductive layer 94 (connecting horizontal electrode and conduction end points), touch-control transparent electrode layer 93 (as horizontal electrode), protective seam 97.Contact panel is stacked as the tenth line segment L10's: surface glass layer 90, black matrix" 91, conductive layer 94 (as conduction end points), insulation course 96 (preventing damage by static electricity black matrix"), protective seam 97.
When the touch-control transparent electrode layer 93 used as electrode is positioned at above shielded area, relatively make black matrix" 91 easily by damage by static electricity.Therefore, the present invention is directed to the electrode pattern being positioned at shielded area, select to lead fillet as polygonal angle.Consider based on the visuality maintaining viewing area, for the electrode pattern being positioned at viewing area, its polygonal appearance adopts wedge angle as angle.Can learn according to foregoing embodiments, the present invention is directed to electrode pattern and be positioned at shielded area changes its shape way from the different of viewing area, the manufacture craft that welcome collocation is all types of.
Refer to Figure 10, it is the folded composition of the touch-control display panel of application the present invention conception.Contact panel 101 of the present invention can be arranged on the top of all types of display layers 103 (such as: display panels).This case changes the shape of the electrode pattern be positioned at above black matrix", but maintains the shape of the electrode pattern corresponding to viewing area.Because viewing area is used for show image picture, the electrode pattern making way for viewing area maintains the translucent effect that original wedge angle outward appearance can maintain touch-control transparent electrode layer.Therefore, the image frame that display layer 103 shows in viewing area can't be affected.
Can learn according to aforementioned explanation, fillet will be led and be applied to electrode pattern, allow electric charge can be distributed in electrode pattern comparatively uniformly.Therefore, electric charge is not easily gathered in the specific region of electrode pattern.Related because charge concentration in wedge angle the static discharge phenomenon that derives can obtain and releive.During practical application, as long as the electrode pattern having any one to be positioned at end points section adopts the design leading fillet, just can slow down the situation of point discharge.
In sum, although disclose the present invention in conjunction with above preferred embodiment, however itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations.Therefore, what protection scope of the present invention should define with the claim of enclosing is as the criterion.
Claims (11)
1. a contact panel, comprises:
Substrate, has viewing area and shielded area, and this shielded area is around this viewing area;
Black matrix", is arranged at the top of this shielded area of this substrate; And
Touch-control transparent electrode layer, is arranged on this viewing area of substrate, and this touch-control transparent electrode layer of part extends to the top of this black matrix", and this touch-control transparent electrode layer comprises multiple electrode pattern,
Wherein the plurality of electrode pattern comprises the multiple first outward appearance electrode patterns being positioned at this shielded area, and the shape of the plurality of first outward appearance electrode pattern is have the polygon of leading fillet.
2. contact panel as claimed in claim 1, wherein this radius-of-curvature leading fillet is between 20-100 μm.
3. contact panel as claimed in claim 1, wherein the plurality of electrode pattern also comprises the multiple second outward appearance electrode patterns being positioned at this viewing area, and the shape of the plurality of second outward appearance electrode pattern is the polygon be made up of wedge angle.
4. contact panel as claimed in claim 1, wherein having this polygon of leading fillet is an isosceles triangle or a rhombus.
5. contact panel as claimed in claim 1, wherein the plurality of electrode pattern also comprises the multiple 3rd outward appearance electrode patterns simultaneously crossing over this viewing area and this shielded area.
6. contact panel as claimed in claim 5, wherein respectively the electrode pattern part be positioned at above this viewing area of the 3rd outward appearance has a wedge angle.
7. contact panel as claimed in claim 5, wherein respectively the electrode pattern part be positioned at above this shielded area of the 3rd outward appearance has and leads fillet.
8. contact panel as claimed in claim 1, wherein also comprises:
Insulation course, is positioned at the top of this black matrix".
9. contact panel as claimed in claim 8, wherein this insulation course is formed at the top of this touch-control transparent electrode layer.
10. contact panel as claimed in claim 8, wherein this insulation course is formed at this black matrix" and this touch-control transparency electrode interlayer.
11. 1 kinds of touch-control display panels, comprise:
Display layer; And
Contact panel, above this display panel, this contact panel comprises:
Substrate, has viewing area and shielded area, and this shielded area is around this viewing area;
Black matrix", is arranged at the top of this substrate and is positioned at this shielded area; And
Touch-control transparent electrode layer, is arranged on this viewing area of substrate, and this touch-control transparent electrode layer of part extends to the top of this black matrix", and this touch-control transparent electrode layer comprises multiple electrode pattern,
Wherein the plurality of electrode pattern comprises the multiple first outward appearance electrode patterns being positioned at this shielded area, and the shape of the plurality of first outward appearance electrode pattern is have the polygon of leading fillet.
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| CN201410471848.2A CN105487698B (en) | 2014-09-16 | 2014-09-16 | Touch panel and touch-control display panel |
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