CN101303635A - Capacitance type touching control panel and manufacturing method thereof - Google Patents
Capacitance type touching control panel and manufacturing method thereof Download PDFInfo
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- CN101303635A CN101303635A CNA2008101265466A CN200810126546A CN101303635A CN 101303635 A CN101303635 A CN 101303635A CN A2008101265466 A CNA2008101265466 A CN A2008101265466A CN 200810126546 A CN200810126546 A CN 200810126546A CN 101303635 A CN101303635 A CN 101303635A
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Abstract
The invention discloses a capacitive touch control panel and a manufacturing method thereof; the touch control panel includes a substrate, a plurality of first touch control pads, a plurality of first simulating pads, an insulating layer, a plurality of second touch control pads and a plurality of second simulating pads. The first touch control pads are arranged along a first direction and electrically connected with each other, and each first touch control pad is provided with at least one first opening. The first simulating pads are in electric insulation with the first touch control pads. The insulating layer covers the first touch control pads and the first simulating pads. The second touch control pads, which are arranged along a second direction, are electrically connected with each other and deployed on the insulating layer, each second touch control pad is equipped with at least one second opening which is positioned above the first simulating pad, and the size of the second opening is essentially larger than that of each first simulating pad. The second simulating pads are positioned on the insulating layer above the first opening and are in electric insulation with the second touch control pads, and the size of the first opening is essentially larger than that of each second simulating pad.
Description
Technical field
The invention relates to a kind of capacitance type touch-control panel and preparation method thereof, and particularly relevant for a kind of capacitance type touch-control panel that better visual effect is provided and preparation method thereof.
Background technology
Along with industry is flourishing day by day, mobile phone (Mobile Phone), personal digital assistant (PersonalDigital Assistant), mobile computer (Notebook) and Tablet PC digitization tools such as (Planet Computer) develop towards direction more convenient, multi-functional and attractive in appearance invariably.Yet, display screen in mobile phone, personal digital assistant, mobile computer and the Tablet PC is indispensable man-machine communication interface, the display screen that sees through the said goods can bring more facility for user's operation, and wherein most display screen all is main flow with the liquid crystal indicator.
In recent years, fast development and application along with infotech, wireless mobile communication and information household appliances, in order to reach more convenient, lighter and handyizatioier of volume and more humane purpose, many information products are by input medias such as traditional keyboard or mouses, change into and use contact panel (Touch Panel), wherein the most popular more now product of capacitance touching control formula liquid crystal indicator as input media.
Figure 1A and Figure 1B illustrate the top view and the sectional view of existing a kind of capacitance type touch-control panel respectively.Shown in Figure 1A and 1B, existing capacitance type touch-control panel 100 comprises substrate 110, a plurality of first touch pad 120, insulation course 130 and a plurality of second touch pad 140.More specifically, first touch pad 120 is disposed on the substrate 110, and first touch pad 120 electrically connects mutually with first connecting line 128 each other, and arranges along first direction D1.Insulation course 130 is disposed on the substrate 110 and covers first touch pad 120.Second touch pad 140 is disposed on the insulation course 130, and second touch pad 140 electrically connects mutually with second connecting line 148 each other, and arranges along second direction D2.First touch pad 120 and second touch pad 140 can constitute a sensing array at substrate 110, to reach the purpose of plane sensing.
From the above, as user during with finger touch mode capacitive contact panel 100, finger institute position contacting is on first touch pad 120 of capacitance type touch-control panel 100 and second touch pad 140 time, the change that produces an electric capacity because of the stray capacitance equivalent series on finger and the former touch pad.The change of this capacitance can be converted to current signal and be sent on the control circuit board, and carry out after the data processing union obtains a result via CPU (central processing unit), export a shows signal to display panel by control circuit board again, and image is presented at the user at the moment via display panel.
Yet existing this kind capacitance type touch-control panel is because touch pad is layering to be made, so the touch pad of different layers causes the difference of penetrability easily, as light T1 among Figure 1B and light T3.And, because touch pad is disposed at different retes, the integral light-transmitting uniformity coefficient of capacitance type touch-control panel also can be affected because of the position of touch pad, and for example the light T2 among Figure 1B can be different with light T1 and the penetrability of light T3 through capacitance type touch-control panel the time through capacitance type touch-control panel the time.Above-mentioned factor all can make the user produce the problem of aberration when watching this capacitance type touch-control panel.
On the other hand, when being applied to capacitance type touch-control panel on display panel or the electrooptical device, the user can discover the touch pad on the capacitance type touch-control panel when the careful survey picture, especially in configuration touch pad and the zone that does not dispose touch pad, it shows that difference is more obvious.Therefore, how to improve the integral body of capacitance type touch-control panel and watch image evenness, to promote the visual effect of capacitance type touch-control panel, real problem for demanding urgently overcoming on the production technology of present capacitance type touch-control panel.
Summary of the invention
The present invention is about a kind of capacitance type touch-control panel, and it can effectively reduce the aberration problem of user when observing, so that better visual effect to be provided.
The present invention is in addition about a kind of display panel, and it comprises above-mentioned capacitance type touch-control panel, and good display quality can be provided.
The present invention is in addition about a kind of electrooptical device, and it comprises above-mentioned display panel, and good display quality can be provided.
About a kind of manufacture method of capacitance type touch-control panel, it is suitable in order to make above-mentioned capacitance type touch-control panel in addition in the present invention.
About a kind of manufacture method of display panel, it comprises the manufacture method of above-mentioned capacitance type touch-control panel in addition in the present invention.
About a kind of manufacture method of electrooptical device, it comprises the manufacture method of above-mentioned display panel in addition in the present invention.
The present invention proposes a kind of capacitance type touch-control panel, and it comprises substrate, a plurality of first touch pad, a plurality of first plan pad, insulation course, a plurality of second touch pad and a plurality of second plan pad.A plurality of first touch pads are disposed on the substrate, and first touch pad is arranged and is electrically connected to each other along first direction, and each first touch pad has at least one first opening.A plurality of first intends pad is disposed on the substrate, and is electrically insulated with each first touch pad.Insulation course is disposed on the substrate, intends pad to cover first touch pad and first.A plurality of second touch pads are disposed on the insulation course, second touch pad is arranged and is electrically connected to each other along second direction, and each second touch pad has at least one second opening, intend the pad top so that second opening is positioned at first, and the size of second opening is in fact greater than each first size of intending pad.A plurality of second intends pad is disposed on the insulation course, and is electrically insulated with each second touch pad, so that second intend pad and be positioned at first opening top, and the size of first opening is in fact greater than each second size of intending pad.
The present invention proposes a kind of display panel, and it comprises above-mentioned capacitance type touch-control panel.
The present invention proposes a kind of electrooptical device, and it comprises above-mentioned display panel.
The present invention proposes a kind of manufacture method of capacitance type touch-control panel in addition, and it wraps the following step.At first, form a plurality of first touch pads and intend pad with a plurality of first on a substrate, first touch pad is arranged and is electrically connected to each other along first direction, and each first touch pad has at least one first opening, and first intends pad and each first touch pad is electrically insulated.Then, on substrate, form insulation course, intend pad to cover first touch pad and first.Afterwards, on insulation course, form a plurality of second touch pads and a plurality of second and intend pad, second touch pad is arranged and is electrically connected to each other along second direction, each second touch pad has at least one second opening, second opening is positioned at first plan and fills up the top, and second plan is filled up and each second touch pad is electrically insulated, and the second plan pad is positioned at above first opening, wherein, the size of second opening in fact greater than each first size of intending the size of pad and first opening in fact greater than each second size of intending pad.
The present invention proposes a kind of manufacture method of display panel, and it comprises the manufacture method of above-mentioned capacitance type touch-control panel.
The present invention proposes a kind of manufacture method of electrooptical device, and it comprises the manufacture method of above-mentioned display panel.
Based on above-mentioned, utilization of the present invention is provided with at least one opening in each layer touch pad, and in other rete, be provided with accordingly in opening part and intend pad when layer, the aberration problem that is produced during with the touch pad of compensation light by different retes, and have the zone of part hollow out can further improve the integral light-transmitting degree of capacitance type touch-control panel between touch pad and the corresponding plan pad.On the other hand, in another embodiment of the present invention, also can selectively dispose and intend pad, further to improve visual effect in the appropriate location of capacitance type touch-control panel.
For above and other objects of the present invention, feature and advantage can be become apparent, embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Figure 1A and Figure 1B illustrate the top view and the sectional view of existing a kind of capacitance type touch-control panel respectively;
Fig. 2 A～Fig. 2 D illustrates a kind of capacitance type touch-control panel of one embodiment of the invention;
Fig. 3 A～3D is the making schematic flow sheet of a kind of capacitance type touch-control panel of the present invention;
Fig. 4 is a kind of capacitance type touch-control panel of the present invention and the penetrance performance figure of existing capacitance type touch-control panel under different wave length;
Fig. 5 is a kind of electrooptical device synoptic diagram of the present invention.
[primary clustering symbol description]
100,200: capacitance type touch-control panel
110,210: substrate
120,220: the first touch pads
130,230: insulation course
140,240: the second touch pads
128,228: the first connecting lines
148,248: the second connecting lines
222: the first plan pads
224: the three plan pads
242: the second plan pads
244: the four plan pads
250: protective seam
400: electrooptical device
410: display panel
420: electronic package
A1: hollow out zone
A2: hollow out zone
D1: first direction
D1: second direction
H1: first opening
H2: second opening
R
220: the first touch pad zone
R
240: the second touch pad zone
R
S: the zone between first touch pad and second touch pad
S1: first plane
S2: second plane
T1: light
T2: light
T3: light
Embodiment
Fig. 2 A～Fig. 2 D illustrates a kind of capacitance type touch-control panel of one embodiment of the invention, wherein Fig. 2 A is the top view of this capacitance type touch-control panel 200, Fig. 2 B is this capacitance type touch-control panel along AA ' or along the diagrammatic cross-section of BB ' profile line, Fig. 2 C is this capacitance type touch-control panel along CC ' or along the diagrammatic cross-section of DD ' profile line, and Fig. 2 D is the diagrammatic cross-section of this capacitance type touch-control panel along EE ' profile line.For clearly demonstrating, Fig. 2 B～2D only illustrates the structure of touch pad, plan pad and the relative position of the two of capacitance type touch-control panel respectively, and has omitted other rete that may exist, for illustrating.
Shown in Fig. 2 A～2D, the capacitance type touch-control panel 200 of present embodiment comprises substrate 210, a plurality of first touch pads 220, a plurality of first intends pad 222, insulation course 230, a plurality of second touch pads 240 and a plurality of second are intended pad 242, and wherein the material of substrate 210 for example is an inorganic transparent material (as: glass, quartzy, or other suitable material, or above-mentioned combination), organic transparent material (as: polyalkenes, the polyamides class, polyalcohols, polyesters, rubber, thermoplastic polymer, thermosetting polymer, the poly aromatic hydro carbons, poly-methyl propionyl acid methyl esters class, plastics, polycarbonate-based, or other suitable material, or above-mentioned derivant, or above-mentioned combination), or above-mentioned combination.In order to clearly demonstrate, in Fig. 2 A, second touch pad 240 and second that will be positioned at the upper strata is intended pad 242 modes with solid line and is illustrated, and first touch pad 220 and first that will be positioned at lower floor is intended 222 modes with dotted line of filling up and illustrated.And the zone in the below of each figure of Fig. 2 A～2D with first touch pad 220 is denoted as R
220, second touch pad 240 the zone be denoted as R
240, and the zone between first touch pad 220 and second touch pad 240 is denoted as R
S. so that explanation.
Please continue A～2D with reference to Fig. 2, first touch pad 220 and first is intended pad 222 and is disposed on the substrate 210, first touch pad 220 is arranged and is electrically connected to each other along first direction D1, and each first touch pad 220 has at least one first opening H1, and as being to be example among Fig. 2 A, but not as limit with nine first opening H1.First 222 on the plan pad and each first touch pad 220 are electrically insulated.Insulation course 230 is disposed on the substrate 210 and covers first touch pad 220 and the first plan pad 222.Second touch pad 240 and second is intended pad 242 and is disposed on the insulation course 230, second touch pad 240 is arranged and is electrically connected to each other along second direction D2, and each second touch pad 240 has the second opening H2 that at least one is positioned at the first plan pad, 222 tops, and as being to be example among Fig. 2 A, but not as limit with nine second opening H2.Second 242 on the plan pad and each second touch pad 240 are electrically insulated, and the second plan pad 242 is disposed at above the first opening H1.
Shown in Fig. 2 A, in the present embodiment, it for example is that mode with array is arranged in respectively among first touch pad 220 and second touch pad 240 that the mode of the first opening H1 and the second opening H2 is arranged, but the invention is not restricted to this, the first opening H1 and the second opening H2 can also irregular mode arrange.In addition, the shape that the first above-mentioned touch pad 220, second touch pad 240, the first opening H1, the second opening H2, first intend the pad 222 or second plan pad 242 for example is rectangular in fact, certainly, and first touch pad 220, second touch pad 240.The first opening H1, the second opening H2, first intend pad 222 or second intend pad 242 wherein at least one shape also can be rounded in fact, oval, triangle, rhombus, trapezoidal, quadrilateral, pentagon, hexagon, star, water droplet shape or other polygon, the present invention is not as limit.
Specifically, shown in Fig. 2 A and Fig. 2 B, second intends pad 242 is positioned at first opening H1 top, and in the present embodiment, 242 centrally aligned is preferably for example filled up with one of them second plan respectively in the center of the first opening H1, but is not limited thereto.In other embodiment, one of them second center of intending pad 242 can be offset from the center of the first opening H1.The size of the first opening H1 is preferably filled up 242 size in fact greater than each second plan.In other words, second intends filling up the zone that has the part hollow out between 242 and first touch pad 220 in the projection of substrate 210, as the regional A1 among Fig. 2 A, makes that light is able to penetrate from this hollow out zone A1.On the other hand, the second opening H2 is positioned at first and intends pad 222 tops, and in the present embodiment, 222 centrally aligned is preferably for example filled up with one of them first plan respectively in the center of the second opening H2, but is not limited thereto.In other embodiment, one of them first center of intending pad 222 can be offset from the center of the second opening H2.The size of the second opening H2 is preferably filled up 222 size in fact greater than each first plan.In other words, first intends filling up the zone that also has the part hollow out between 222 and second touch pad 240 in the projection of substrate 210, as the regional A2 among Fig. 2 A, makes that light is able to penetrate from this hollow out zone A2.
What deserves to be mentioned is, the present invention is different from prior art, be used in first touch pad 220 and the first opening H1 and the second opening H2 are set respectively in second touch pad 240, and be provided with second in the scope respectively at the first opening H1 and the second opening H2 accordingly and intend the pad 242 and first plan pad 222, in other words, the present invention mainly each layer corresponding to the aperture position in the touch pad of other layer in configuration intend pad, therefore produce the problem of aberration in the time of can compensating light penetration first touch pad 220 and second touch pad 240, help capacitance type touch-control panel 200 that better visual effect is provided.In addition, because second intends having part hollow out zone A1 between pad 242 and first touch pad 220 in the projection of substrate 210, and on projected area, have part hollow out zone A2 between the first plan pad, 222 and second touch pad 240, therefore can further improve the integral light-transmitting degree of capacitance type touch-control panel 200.
In addition, shown in Fig. 2 A, for example be to be connected in series each other between two adjacent first touch pads 220 with many first connecting lines 228 that are disposed on the substrate 210, so that be electrically connected to each other between first touch pad 220, and for example be to be connected in series each other with many second connecting lines 248 that are disposed on the insulation course 230 between two adjacent second touch pads 240, so that be electrically connected to each other between second touch pad 240, shown in Fig. 2 A and 2D, one second connecting line 248 is staggered respectively with wherein for each first connecting line 228, and each first connecting line 228 is electrically insulated with each second connecting line 248.In addition, in the present embodiment, preferably, each first plan pad 222 is electrically float (floating) with each second plan pad 242, but is not limited thereto.Here the quantity that the quantity, first that is noted that first touch pad 220 and second touch pad 240 is intended pad 222 or second touch pad 240 is looked closely actual conditions (as the size of capacitance type touch-control panel 200) and is decided.
Shown in the sectional view of Fig. 2 B～2D, particularly, it for example is to be positioned on first planar S 1 of substrate 210 that first touch pad 220 and first is intended pad 222, and second touch pad 240 and second is intended on pad 242 second planar S 2 that are positioned on the substrate 210.First touch pad 220 and second touch pad 240 are arranged along first direction D1 and second direction D2 respectively, and those directions are preferably interlaced in fact.In the present embodiment, first direction D1 and second direction D2 preferably for example be vertical mutually be example, but be not limited thereto.That is to say that the angle of first direction D1 and second direction D2 can be any angle, also comprise the situation that two direction D1, D2 are arranged in parallel.
On the practice, capacitance type touch-control panel 200 visual touch pads of the present invention and intend the arrangement space (layout space) of pad or other demand and comprise that further a plurality of the 3rd intends pad 224 and a plurality of the 4th and intend pad 244, so that the penetrability of capacitance type touch-control panel 200 is more even, further also make the border so and the obfuscation of first touch pad and second touch pad.Shown in Fig. 2 A and Fig. 2 B, the 3rd plan pad 224 is disposed on the substrate 210, and is distributed between first touch pad 220 and the first plan pad 222, and respectively the 3rd plan pad 224, respectively first touch pad 220 fill up 222 with each first plan and be electrically insulated each other.The 4th plan pad 244 is disposed on the insulation course 230, and is distributed between second touch pad 240 and the second plan pad 242, and respectively the 4th plan pad 244, respectively second touch pad 240 fill up 242 with each second plan and be electrically insulated.In the present embodiment, it is to arrange in mode parallel to each other that the 3rd plan pad the 224 and the 4th is intended between the pad 244, certainly, it also can be to arrange with mode interlaced with each other or other suitable mode that the 3rd plan pad the 224 and the 4th is intended between the pad 244, and the present invention is not as limit.In addition, the 3rd above-mentioned shape of intending pad the 224 and the 4th plan pad 244 for example is rectangular in fact, certainly, the 3rd intends pad the 224 and the 4th, and to intend filling up 244 shape also can be rounded in fact, oval, triangle, rhombus, trapezoidal, quadrilateral, pentagon, hexagon, star, water droplet shape or other polygon, and the present invention is not as limit.
Hold above-mentionedly, in the present embodiment, capacitance type touch-control panel 200 is intended pad the 224 and the 4th and is intended filling up 244 by being provided with the above-mentioned the 3rd, can be so that the luminance uniformity of capacitance type touch-control panel 200, and the adjustment of touch pad resolution has more dirigibility.It should be noted that, except the 3rd plan pad the 224 and the 4th is intended the pad 244, the deviser still can be by the size and shape of the first opening H1 and the second opening H2, perhaps it pairing first is intended size and shape that pad 222 and second intends pad 242 and finely tunes the printing opacity uniformity coefficient that light passes through capacitance type touch-control panel 200, and then makes the visual effect optimization of capacitance type touch control display panel.
Shown in Fig. 2 B～2D; under possible situation, the capacitance type touch-control panel 200 of present embodiment comprises that more one is disposed at the protective seam 250 on the insulation course 230, and covers second touch pad 240 and the second plan pad 242; but be not limited thereto, also can not dispose protective seam 250 according to design.The protective seam the 250, the 3rd that has that collocation Fig. 2 A and 2B are illustrated is intended the capacitance type touch-control panel 200 that pad the 224 and the 4th is intended pad 244; at this a kind of method for making of capacitance type touch-control panel 200 is proposed more; please hereinafter will illustrate in the lump simultaneously with reference to Fig. 2 A～2D and Fig. 3 A～3D.Wherein Fig. 3 A～3D is the making schematic flow sheet of a kind of capacitance type touch-control panel of the present invention, and Fig. 3 A～3D illustrate respectively in capacitance type touch-control panel 200 manufacturing process top view and along the sectional view of AA ' profile line.
At first, as shown in Figure 3A, on a substrate 210, form a plurality of first touch pads 220 and intend pad 222 with a plurality of first.Wherein, first touch pad 220 is arranged and is electrically connected to each other along first direction D1, and each first touch pad 220 has at least one first opening H1, and first intend pad 222 and be electrically insulated with each first touch pad 220, for example is to be electrically connected to each other by first connecting line 228 between two adjacent first touch pads 220 wherein.In the present embodiment, more can intend optionally forming between the pad 222 the 3rd and intend pad 224, make the 3rd plan pad 224 be distributed on first touch pad 220 and first substrate of intending between the pad 222 210 in first touch pad 220 and first.More specifically, for example be to form a printing opacity conductive material layer (not illustrating) at substrate 210 earlier, indium tin oxide (Indium Tin Oxide for example, ITO), indium-zinc oxide, indium tin zinc oxide, hafnia, zinc paste, aluminium oxide, aluminium tin-oxide, aluminium zinc oxide, cadmium tin-oxide, cadmium zinc oxide or other suitable material or above-mentioned combination, by this printing opacity conductive material layer of suitable manufacturing method thereof patterning, intend pad the 222 and the 3rd plan pad 224 again to form first touch pad 220, first.In other embodiments, the method that forms first touch pad 220, the first plan pad the 222 and the 3rd plan pad 224 also can be used ink-jet method, screen painting method, gold-tinted development method, gold-tinted development etching method or other appropriate method or above-mentioned combination.
Then, shown in Fig. 3 B, on substrate 210, form insulation course 230, intend pad the 222 and the 3rd plan pad 224 to cover first touch pad 220, first.For example inorganic (as: monox, silicon nitride, silicon oxynitride, silit, hafnia, aluminium oxide or other material or above-mentioned combination), organic material (as: photoresistance, benzocyclobutene (enzocyclobutane, BCB), cyclenes class, polyimide, polyamide-based, polyesters, polyalcohols, polyethylene oxide class, polyphenyl class, resene, polyethers, polyketone class or other material or above-mentioned combination) or the above-mentioned combination of the material of insulation course 230.In more detail, the invention has the advantages that the loaded down with trivial details processing procedure that insulation course can omit needs light shield exposure, only need use better simply screen painting, offset printing or other not the processing procedure mode of light requirement cover make, but not subject to the limits.In other embodiment,, then can use gold-tinted development etching method to form as some patterns of needs.
Then, shown in Fig. 2 D and Fig. 3 C, on insulation course 230, form a plurality of second touch pads 240 and intend pad 242 with a plurality of second.Second touch pad 240 is arranged and is electrically connected to each other along second direction D2, wherein the method that is electrically connected to each other of second touch pad 240 for example is to form second connecting line 248 between two adjacent second touch pads 240, shown in the top view of Fig. 3 C, this second connecting line 248 can be staggered with first connecting line 228 of lower floor, shown in Fig. 2 D, each first connecting line 228 is electrically insulated each other with each second connecting line 248.In addition, shown in Fig. 3 C, each second touch pad 240 has at least one second opening H2 that is positioned at the first plan pad, 222 tops, and wherein the size of the second opening H2 is preferably filled up 222 size in fact greater than each first plan.Second intends pad 242 is electrically insulated with each second touch pad 240, and second intend pad 242 and be positioned at first opening H1 top, and wherein the size of the first opening H1 is preferably in fact greater than each second size of intending pad 242.
Please continue C with reference to Fig. 3, on the practice, capacitance type touch-control panel 200 visual touch pads of the present invention and intend the arrangement space (layout space) of pad or other demand and in the present embodiment, further be included in second touch pad 240 and second and intend optionally forming between the pad 242 the 4th plan pad 244, make the 4th plan pad 244 be distributed on second touch pad 240 and second insulation courses of intending between the pad 242 230, and respectively the 4th plan pad 244, each second touch pad 240 fill up 242 with each second plan and are electrically insulated each other.In like manner, form second touch pad 240, second method of intending pad the 242 and the 4th plan pad 244 for example is to form a printing opacity conductive material layer (not illustrating) earlier on substrate 210, indium tin oxide (Indium Tin Oxide for example, ITO), indium-zinc oxide, indium tin zinc oxide, hafnia, zinc paste, aluminium oxide, the aluminium tin-oxide, the aluminium zinc oxide, the cadmium tin-oxide, the cadmium zinc oxide, or other suitable material, or above-mentioned combination, again by this printing opacity conductive material layer of suitable manufacturing method thereof patterning, to form second touch pad 240, second intends pad the 242 and the 4th intends pad 244.In other embodiments, the method that forms second touch pad 240, the second plan pad the 242 and the 4th plan pad 244 also can be used ink-jet method, screen painting method, gold-tinted development method, gold-tinted development etching method or other appropriate method or above-mentioned combination.Wherein, second intends the position of pad 242 corresponding to the first opening H1 of lower floor, and the second opening H2 is corresponding to first position of intending pad 222 of lower floor.Must it should be noted that preferably present embodiment is an example with second center and first center of intending the centrally aligned second opening H2 of pad 222 of intending the centrally aligned first opening H1 of pad 242, but is not limited thereto.In other embodiment, second center of intending pad 242 can be offset the center of the first opening H1 and/or the center that first center of intending pad 222 can be offset the second opening H2.
Afterwards; shown in Fig. 3 D; on insulation course 230, optionally form protective seam 250; intend pad 242 to cover second touch pad 240 and second; and the capacitance type touch-control panel 200 that formation is illustrated as Fig. 2 A～2D; the material of protective seam 250 inorganic (as: monox for example wherein; silicon nitride; silicon oxynitride; silit; hafnia; aluminium oxide; or other material; or above-mentioned combination); organic material (as: photoresistance; benzocyclobutene (enzocyclobutane, BCB); the cyclenes class; polyimide; polyamide-based; polyesters; polyalcohols; the polyethylene oxide class; the polyphenyl class; resene; polyethers; the polyketone class; or other material; or above-mentioned combination); or above-mentioned combination.In more detail, the invention has the advantages that the loaded down with trivial details processing procedure that protective seam can omit needs light shield exposure, only need use not processing procedure mode of light requirement cover of better simply screen painting, offset printing or other, but not subject to the limits.In other embodiment,, then can use gold-tinted development etching method to form as some patterns of needs.
Accept the foregoing description, first touch pad 220, the first plan pad the 222 and the 3rd plan pad 224 are preferably on processing procedure and are made as example simultaneously, promptly form by same printing opacity conductive material layer patterning, make the touch pad 220, first of winning intend pad the 222 and the 3rd and intend pad 224 formation at grade, first planar S 1 among Fig. 3 D for example, but be not limited thereto.In other embodiment, first touch pad 220, first is intended filling up the 222 and the 3rd plan pad 224 and can be finished in different time or different steps.Second touch pad 240, the second plan pad the 242 and the 4th plan pad 244 are preferably on processing procedure and are made as example simultaneously, promptly form by same printing opacity conductive material layer patterning, making second touch pad 240, second intend pad the 242 and the 4th plan pad 244 is formed on another plane, second planar S 2 among Fig. 3 D for example, but be not limited thereto.In other embodiment, second touch pad 240, second is intended filling up the 242 and the 4th plan pad 244 and can be finished in different time or different steps.Therefore, the present invention can make the good capacitance type touch-control panel 200 of printing opacity uniformity coefficient under original process conditions, can not make cost of manufacture increase when improvement is watched in the aberration problem.Certainly, those skilled in the art can adjust relevant fabrication steps and arrangement of components, with situation and the demand that meets product design reality with reference to after the above-mentioned embodiment in not breaking away from spiritual scope of the present invention.
In addition, the opening H1 number in described first touch pad 220 of the foregoing description is all example mutually with the opening H2 number in second touch pad 240, but is not limited thereto, and the two opening also can be inequality.Moreover the foregoing description described first is intended pad 222, the second plan pad the 242, the 3rd plan pad 224 and the 4th and is intended filling up 244 all with the identical example that is shaped as, but is not limited thereto, and the shape of above-mentioned plan pad also can be inequality.In addition, described first touch pad 220 of the foregoing description is all example mutually with the shape of second touch pad 240, but is not limited thereto, and the shape of above-mentioned plan pad also can be inequality.
Must it should be noted that, the described process of the above embodiment of the present invention is disposed at earlier on the substrate 210 with first touch pad 220, then, disposes second touch pad 240 again and is example, but be not limited thereto, the sequencing of described first touch pad 220 and second touch pad, 240 layoutprocedures also can be exchanged it.
In addition, the above embodiment of the present invention, preferably having smooth in fact surface and insulation course 230 with substrate respectively with first planar S 1 and second planar S 2, to have smooth in fact surface be example, but be not limited thereto.In other embodiment, wherein at least one also can be the surface of non-flat forms on the surface of substrate, insulation course 230 and protective seam 250.
Capacitance type touch-control panel 200 with Fig. 2 is an example, below enumerates the penetration comparing data aid illustration of the capacitance type touch-control panel 100 of a kind of capacitance type touch-control panel 200 of the present invention and known Figure 1B.Fig. 4 is a kind of capacitance type touch-control panel of the present invention and the known penetrance performance figure of capacitance type touch-control panel under different wave length.Please be simultaneously with reference to Figure 1B, Fig. 2 and Fig. 4, capacitance type touch-control panel 200 is in the penetration performance along AA ' profile line and BB ' profile line, being better than capacitance type touch-control panel 100 shows in the penetration of T1, T2, T3 respectively, in other words, the performance of capacitance type touch-control panel 200 integral light-transmitting degree of the present invention is better than existing capacitance type touch-control panel 100.And, the penetrance amount of variability (variation) of capacitance type touch-control panel 200 under different wave length is little, therefore capacitance type touch-control panel of the present invention 200 is compared to known techniques, can improve the user produces aberration when watching capacitance type touch-control panel problem, significantly promote the display quality of the display of using capacitance type touch-control panel.
In practical application, capacitance type touch-control panel 200 proposed by the invention can combine with common display device such as display panels for example, organic electric-excitation luminescent displaying panel or traditional cold cathode ray tube screen, to allow the user can directly carry out touch control operation in display frame.For example, Fig. 5 is a kind of electrooptical device synoptic diagram of the present invention.Please refer to Fig. 5, the display panel 410 that comprises the described capacitance type touch-control panel of the foregoing description can be combined into an electrooptical device 400 with electronic package 420 electric connections.Here be noted that electronic package 420 comprises as Control Component, operating assembly, processing components, input module, memory element, driven unit, luminescence component, protection assembly, sensing component, detection element or other functional module or aforesaid combination.And the type of electrooptical device 400 comprises the panel in portable product (as mobile phone, video camera, camera, mobile computer, game machine, wrist-watch, music player, electronic mail transceiver, map navigator, digital photo or similar products like), video and audio product (as audio-visual projector or similar products like), screen, TV, outdoor/indoor billboard, the projector etc.
In addition, the finished product of display panel 410 comprises an image element array substrates with the described capacitance type touch-control panel of the foregoing description, another substrate at least with respect to above-mentioned image element array substrates, and it has a transparency electrode, an and display medium that is arranged between image element array substrates and another substrate.When display medium is liquid crystal material, display panel 410 is called display panels (as: penetrating type display panel, the semi penetration type display panel, reflective display panel, colored filter display panel of (color filter on array) on active layers, active layers display panel of (array on color filter) on colored filter, vertical orientation type (VA) display panel, horizontal switch type (IPS) display panel, multi-domain perpendicular alignment-type (MVA) display panel, twisted nematic (TN) display panel, super-twist nematic (STN) display panel, pattern vertical orientation type (PVA) display panel, super pattern vertical orientation type (S-PVA) display panel, the advanced person is type (ASV) display panel with great visual angle, fringe field switch type (FFS) display panel, continuous fireworks shape arrange type (CPA) display panel, rotational symmetry is arranged micella type (ASM) display panel, optical compensation curved arrange type (OCB) display panel, super horizontal switch type (S-IPS) display panel, advanced super horizontal switch type (AS-IPS) display panel, extreme edge electric field switch type (UFFS) display panel, stabilizing polymer alignment-type display panel, double vision angle type (dual-view) display panel, three visual angle type (triple-view) display panels, 3 d display (three-dimensional) or other profile plate, or above-mentioned combination), also be called non-light-emitting display panel.If display medium is the electroluminescence material, then be called electric exciting light emitting display panel (as: phosphorescence electric exciting light emitting display panel, fluorescence electric exciting light emitting display panel or above-mentioned combination), also be called light-emitting display panel, and its electroluminescence material can be organic material, organic material, inorganic material or above-mentioned combination, moreover the molecular size of above-mentioned material comprises micromolecule, macromolecule or above-mentioned combination.If display medium comprises liquid crystal material and electroluminescence material simultaneously, what then this display panel claimed is hybrid (hybrid) display panel or half self-luminescent display panel.
Moreover, the present invention proposes a kind of method for making of display panel in addition, this method for making comprises the making flow process as Fig. 3 A～Fig. 3 D, the image element array substrates that has the capacitance type touch-control panel of the foregoing description with formation, after that image element array substrates and another are had the substrate in batch of transparency electrode is upright, and a display medium is arranged in above-mentioned two substrates, to form display panel 410.In addition, the present invention proposes a kind of method for making of electrooptical device in addition, and method for making comprises as the making flow process of Fig. 3 A～Fig. 3 D and forms the display panel 410 with capacitance type touch-control panel.Afterwards, again an electronic package 420 and display panel 410 are done to electrically connect (not illustrating), to form electrooptical device 400 as shown in Figure 5.
In sum, utilization of the present invention is provided with at least one opening in each layer touch pad, and be provided with in other film accordingly in opening part and intend pad when layer, with the aberration problem that touch pad produced of compensation light by different retes, wherein to make that light passes through the penetrability of capacitance type touch-control panel more even for the mode of intending pad by particular design such as the size of the size of touch pad split shed, shape, position and corresponding plan pad, shape, position and additional configuration.Moreover, there is the zone of hollow out partly further to improve the penetrability of capacitance type touch-control panel between touch pad and the corresponding plan pad.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (16)
1. a capacitance type touch-control panel is characterized in that, comprising:
One substrate;
A plurality of first touch pads are disposed on this substrate, and those first touch pads are arranged and are electrically connected to each other along a first direction, and respectively this first touch pad has at least one first opening;
A plurality of first intends pad, is disposed on this substrate, and is electrically insulated with this first touch pad respectively;
One insulation course is disposed on this substrate to cover those first touch pads and those first plan pads;
A plurality of second touch pads, be disposed on this insulation course, those second touch pads are arranged and are electrically connected to each other along a second direction, and respectively this second touch pad has at least one second opening, first intend the pad top so that this second opening is positioned at those, and the size of this second opening is in fact greater than this first size of intending pad respectively; And
A plurality of second intends pad, is disposed on this insulation course, and is electrically insulated with this second touch pad respectively, so that those second intend pad and be positioned at this first opening top, and the size of this first opening is in fact greater than this second size of intending pad respectively.
2. capacitance type touch-control panel as claimed in claim 1 is characterized in that, the center of this first opening respectively with one of them second centrally aligned of intending pad.
3. capacitance type touch-control panel as claimed in claim 1 is characterized in that, the center of this second opening respectively with one of them first centrally aligned of intending pad.
4. capacitance type touch-control panel as claimed in claim 1 is characterized in that, respectively this first intends pad and respectively this second intends pad for electrically floating.
5. capacitance type touch-control panel as claimed in claim 1 is characterized in that this first direction crisscrosses this second direction in fact.
6. capacitance type touch-control panel as claimed in claim 1 is characterized in that, more comprises:
Many first connecting lines are disposed on this substrate, and are connected between those first touch pads; And
Many second connecting lines are disposed on this insulation course, and are connected between those second touch pads, wherein respectively this first connecting line one second connecting line is staggered respectively with wherein, and respectively this first connecting line is electrically insulated with this second connecting line respectively.
7. capacitance type touch-control panel as claimed in claim 1 is characterized in that, more comprises:
The a plurality of the 3rd intends pad, be disposed on this substrate, and be distributed in those first touch pads and first intend between the pad with those, and respectively the 3rd intend pad, respectively this first touch pad fills up with each first plan and is electrically insulated; And
The a plurality of the 4th intends pad, be disposed on this insulation course, and be distributed in those second touch pads and second intend between the pad with those, and respectively the 4th intend pad, respectively this second touch pad fills up with each second plan and is electrically insulated.
8. capacitance type touch-control panel as claimed in claim 1 is characterized in that, more comprises a protective seam, is disposed on this insulation course to cover those second touch pads and those second plan pads.
9. a display panel is characterized in that, comprises the described capacitance type touch-control panel of claim 1.
10. an electrooptical device is characterized in that, comprises the described display panel of claim 9.
11. the manufacture method of a capacitance type touch-control panel is characterized in that, comprising:
On a substrate, form a plurality of first touch pads and a plurality of first and intend pad, those first touch pads are arranged and are electrically connected to each other along a first direction, and respectively this first touch pad has at least one first opening, and those first are intended pad and be electrically insulated with this first touch pad respectively;
On this substrate, form an insulation course, to cover those first touch pads and those first plan pads;
On this insulation course, form a plurality of second touch pads and a plurality of second and intend pad, those second touch pads are arranged and are electrically connected to each other along a second direction, respectively this second touch pad has at least one second opening, this second opening is positioned at those first plan pad tops, and those second are intended pad and are electrically insulated with this second touch pad respectively, and those second plan pads are positioned at this first opening top, wherein, the size of this second opening in fact greater than this first size of intending the size of pad and this first opening respectively in fact greater than this second size of intending pad respectively.
12. the manufacture method of capacitance type touch-control panel as claimed in claim 11 is characterized in that, more comprises:
In many first connecting lines that are connected between those first touch pads of formation on this substrate; And
In forming many second connecting lines that are connected between those second touch pads on this insulation course so that respectively this first connecting line one second connecting line is staggered respectively with wherein, and respectively this first connecting line is electrically insulated with this second connecting line respectively.
13. the manufacture method of capacitance type touch-control panel as claimed in claim 11 is characterized in that, more comprises:
First intend the 3rd between the pad and intend pad with those in forming a plurality of those first touch pads that are distributed on this substrate, and respectively the 3rd intend pad, respectively this first touch pad fills up with each first plan and is electrically insulated; And
Second intend the 4th between the pad and intend pad with those in forming a plurality of those second touch pads that are distributed on this insulation course, and respectively the 4th intend pad, respectively this second touch pad fills up with each second plan and is electrically insulated.
14. the manufacture method of capacitance type touch-control panel as claimed in claim 11 is characterized in that, more is included in to form a protective seam on this insulation course to cover those second touch pads and those second plan pads.
15. the manufacture method of a display panel comprises the manufacture method of the described capacitance type touch-control panel of claim 11.
16. the manufacture method of an electrooptical device comprises the manufacture method of the described display panel of claim 15.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101265466A CN101303635A (en) | 2008-07-01 | 2008-07-01 | Capacitance type touching control panel and manufacturing method thereof |
| CN2008101862043A CN101446877B (en) | 2008-07-01 | 2008-12-17 | Condenser touch-control panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101265466A CN101303635A (en) | 2008-07-01 | 2008-07-01 | Capacitance type touching control panel and manufacturing method thereof |
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| CN101303635A true CN101303635A (en) | 2008-11-12 |
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| CNA2008101265466A Pending CN101303635A (en) | 2008-07-01 | 2008-07-01 | Capacitance type touching control panel and manufacturing method thereof |
| CN2008101862043A Active CN101446877B (en) | 2008-07-01 | 2008-12-17 | Condenser touch-control panel and manufacturing method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101862043A Active CN101446877B (en) | 2008-07-01 | 2008-12-17 | Condenser touch-control panel and manufacturing method thereof |
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| CN (2) | CN101303635A (en) |
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| WO2011095102A1 (en) * | 2010-02-04 | 2011-08-11 | 深圳市汇顶科技有限公司 | Capacitive type touch sensor, touch detection device and touch control terminal |
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| CN101751181B (en) * | 2009-12-28 | 2012-03-28 | 友达光电股份有限公司 | Touch control panel manufacturing method |
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| WO2011095102A1 (en) * | 2010-02-04 | 2011-08-11 | 深圳市汇顶科技有限公司 | Capacitive type touch sensor, touch detection device and touch control terminal |
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| CN103383503B (en) * | 2012-05-03 | 2016-09-28 | 群康科技(深圳)有限公司 | Colored filter substrate and touch control display apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101446877A (en) | 2009-06-03 |
| CN101446877B (en) | 2012-03-28 |
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