CN203759666U - Touch module - Google Patents

Touch module Download PDF

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Publication number
CN203759666U
CN203759666U CN201420098569.1U CN201420098569U CN203759666U CN 203759666 U CN203759666 U CN 203759666U CN 201420098569 U CN201420098569 U CN 201420098569U CN 203759666 U CN203759666 U CN 203759666U
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touch
control electrode
substrate
control
electrode
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CN201420098569.1U
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Chinese (zh)
Inventor
简顺达
刘振宇
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TPK Touch Solutions Inc
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TPK Touch Solutions Inc
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Abstract

The utility model discloses a touch module. The touch module comprises a substrate, at least one first touch electrode and at least one second touch electrode. The first touch electrode is embedded in the substrate. The second touch electrode is embedded in the substrate. The height of the first touch electrode relative to the first surface of the substrate and the height of the second touch electrode relative to the first surface of the substrate are different so that the first touch electrode and the second touch electrode can be in electric insulation.

Description

Touch-control module
Technical field
The utility model relates to a kind of electronic installation.Relate to especially a kind of touch-control module.
Background technology
Along with the rapid progress of electronics technology, touch-control module has been widely used in various electronic installation, as mobile phone, panel computer etc.
Typical touch-control module can be arranged on display screen, comprises multiple touch-control electrodes.In the time that object (finger or touching pen etc.) approaches or touches display screen, corresponding touch-control electrode produces electric signal, reaches whereby touch-control sensing.
In manufacture process, be generally to utilize etching mode that the conductive materials between touch-control electrode is removed, with patterning touch-control electrode, and make between touch-control electrode insulated from each other.But, the way that partially conductive material is removed, by causing, the optical index of touch-control module is inhomogeneous, and affects the optics consistance of touch-control module outward appearance.
Utility model content
Therefore for to avoid the optical index of touch-control module inhomogeneous, one side of the present utility model provides a kind of touch-control module.According to the utility model one embodiment, this touch-control module comprises a first substrate, at least one the first touch-control electrode and at least one the second touch-control electrode.This first touch-control electrode is embedded in this first substrate.This second touch-control electrode is embedded in this first substrate.This first touch-control electrode and this second touch-control electrode differ from one another with respect to the height of a first surface of this first substrate, so that this first touch-control electrode and this second touch-control electrode are electrically insulated each other.
According to the utility model one embodiment, wherein this first touch-control electrode is greater than 50 nanometers with respect to height and this second touch-control electrode of this first surface of this first substrate with respect to the difference in height of the height of this first surface of this first substrate.
According to the utility model one embodiment, wherein this first touch-control electrode is not overlapping in the orthogonal projection of this first surface of this first substrate in orthogonal projection and this second touch-control electrode of this first surface of this first substrate.
According to the utility model one embodiment, wherein this first touch-control electrode and this second touch-control electrode are strip.
According to the utility model one embodiment, wherein this first touch-control electrode and this second touch-control electrode are parallel to each other.
According to the utility model one embodiment, wherein in this first touch-control electrode and this second touch-control electrode, at least one is to embed completely among the inside of this first substrate.
According to the utility model one embodiment, wherein this touch-control module also comprises at least one the 3rd touch-control electrode and at least one the 4th touch-control electrode.The 3rd touch-control electrode is embedded in this first substrate.The 4th touch-control electrode is embedded in this first substrate.This first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode are neither identical with respect to the height of this first surface of this first substrate, to make this first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode be electrically insulated each other.
According to the utility model one embodiment, wherein in this first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode, appoint both to be greater than 50 nanometers with respect to the difference in height of the height of this first surface of this first substrate.
According to the utility model one embodiment, wherein the 3rd touch-control electrode and the 4th touch-control electrode are parallel to each other, and the 3rd, the 4th first, second touch-control electrode of touch-control electrode and this is mutually vertical.
According to the utility model one embodiment, wherein the 3rd touch-control electrode with respect to the insert depth of this first surface of this first substrate between 10 nanometer to 500 nanometers.
According to the utility model one embodiment, wherein the 3rd touch-control electrode is not overlapping in the orthogonal projection of this first surface of this first substrate in orthogonal projection and the 4th touch-control electrode of this first surface of this first substrate.
According to the utility model one embodiment, wherein the 3rd touch-control electrode and the 4th touch-control electrode are strip.
According to the utility model one embodiment, wherein in the 3rd touch-control electrode and the 4th touch-control electrode, at least one is to embed completely among the inside of this first substrate.
According to the utility model one embodiment, wherein the one in this first touch-control electrode and this second touch-control electrode is in suspension joint (floating) state, and one in the 3rd touch-control electrode and the 4th touch-control electrode is in floating.
According to the utility model one embodiment, touch-control module also comprises a second substrate, at least one the 3rd touch-control electrode and at least one the 4th touch-control electrode.The 3rd touch-control electrode is embedded in this second substrate.The 4th touch-control electrode is embedded in this second substrate.The 3rd touch-control electrode and the 4th touch-control electrode differ from one another and are electrically insulated each other with respect to the height on one the 3rd surface of this second substrate.
According to the utility model one embodiment, this first substrate and this second substrate are orthogonal overlapping, make described the first and second touch-control electrodes and described the third and fourth touch-control electrode orthogonal in the projection of a predetermined plane.
In sum, see through the above-mentioned embodiment of application, can realize a kind of touch-control module.The height that is embedded in the touch-control electrode in first substrate by variation, can make between touch-control electrode insulated from each other.Thus, can avoid seeing through etching mode patterning touch-control electrode, and avoid causing the apparent optical index of touch-control module inhomogeneous, and affect the optics consistance of touch-control module outward appearance.
Brief description of the drawings
Figure 1A is the schematic diagram of a kind of touch-control module of illustrating according to the utility model one embodiment;
Figure 1B is the side view of the touch-control module in Figure 1A;
Fig. 1 C is the vertical view of the touch-control module in Figure 1A;
Fig. 2 A is the schematic diagram of a kind of touch-control module of illustrating according to another embodiment of the utility model;
Fig. 2 B is the side view of the touch-control module in Fig. 2 A;
Fig. 3 is the schematic diagram of a kind of touch-control module of illustrating according to another embodiment of the utility model;
Fig. 4 is the process flow diagram of the manufacture method of the touch-control module that illustrates according to the utility model one embodiment;
Fig. 5 A to Fig. 5 C is the schematic diagram that illustrates a kind of method for making of touch-control module according to the utility model one embodiment; And
Fig. 6 A to Fig. 6 C is the schematic diagram that illustrates a kind of method for making of touch-control module according to another embodiment of the utility model.
Embodiment
Below will and describe in detail with accompanying drawing and clearly demonstrate spirit of the present utility model, under any, in technical field, have and conventionally know that the knowledgeable is understanding after preferred embodiment of the present utility model, when can be by the technology of the utility model institute teaching, change and modification, it does not depart from spirit of the present utility model and scope.
About " first " used herein, " second " ... Deng, the not special meaning of censuring order or cis-position, also non-in order to limit the utility model, it is only in order to distinguish element or the operation described with constructed term.
For example, about direction term used herein: upper and lower, left and right, front or rear etc. are only the directions with reference to attached drawings.Therefore, the direction term of use is to be not used for limiting this creation for illustrating.
About " comprising " used herein, " comprising ", " having ", " containing " etc., be open term, mean including but not limited to.
About used herein " and/or ", be comprise the arbitrary of described things or all combination.
About word used herein (terms), outside indicating especially, conventionally have each word use in this field, in the content of this exposure with special content in usual meaning.Some in order to the word of describing this exposure by lower or discuss in the other places of this instructions, so that those skilled in the art to be provided extra guiding in the description about this exposure.
Simultaneously with reference to Figure 1A, Figure 1B and Fig. 1 C.Figure 1A is the schematic diagram of a kind of touch-control module 100 of illustrating according to the utility model one embodiment.
In the present embodiment, touch-control module 100 comprise multiple the first touch-control electrode E1_1, E1_2 ..., E1_N and multiple the second touch-control electrode E2_1, E2_2 ..., E2_M, wherein N and M are positive integer.In the present embodiment, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is all roughly strip (long stripe shape).The first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is roughly parallel to each other, and the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is all parallel to the first surface SF1 of substrate 110.In addition, in the present embodiment, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M be each other closely alternately arrange.
For example, with reference to space axes x-y-z, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M long limit be all parallel to y axle.The first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is that edge-x direction arranges alternately, for example, the second touch-control electrode E2_1 adjacent to the first touch-control electrode E1_1-x direction side arrange, the first touch-control electrode E1_2 adjacent to the second touch-control electrode E2_1-x direction side arrange, the second touch-control electrode E2_2 adjacent to the first touch-control electrode E1_2-x direction side arranges, and by that analogy.
In the present embodiment, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is embedded in respectively in substrate 110.And the first touch-control electrode E1_1, E1_2 ..., any one and adjacent the second touch-control electrode E2_1, E2_2 in E1_N ..., E2_M differs from one another with respect to the height of the first surface SF1 of substrate 110, to be electrically insulated each other.In other words, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M forms respectively multiple planes of discontinuous (not contacting each other) each other, to reach the effect being electrically insulated each other.
Taking the first touch-control electrode E1_1 as example, the first touch-control electrode E1_1 is different from the height of the second adjacent touch-control electrode E2_1 with respect to the first surface SF1 of substrate 110 with respect to the height of the first surface SF1 of substrate 110, whereby, the first touch-control electrode E1_1 and adjacent the second touch-control electrode E2_1 are electrically insulated each other.
With further reference to Figure 1B, Figure 1B is the side view on the x-z coordinate plane of touch-control module 100 in Figure 1A.The first touch-control electrode E1_1 is shown height H 1 with respect to the height indicator of the first surface SF1 of substrate 110.The second touch-control electrode E2_1 is shown height H 2 with respect to the height indicator of the first surface SF1 of substrate 110.Height H 1 differs from one another with height H 2, to make the first touch-control electrode E1_1 not contact each other and be electrically insulated with the second touch-control electrode E2_1.
By way so, can not see through etching mode so that touch-control electrode E1_1, E1_2 ..., E1_N and E2_1, E2_2 ..., insulated from each other between E2_M, to avoid affecting the optics consistance of touch-control module 100 outward appearances.
In the utility model one embodiment, height difference H 2-(subtracting) H1 between height H 1 and height H 2 is roughly greater than 50 nanometers, so that the first touch-control electrode E1_1 and the second touch-control electrode E2_1 are electrically insulated each other.
On the other hand, in the utility model one embodiment, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is embedded among the inside of substrate 110 all completely, that is, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is not exposed to first surface SF1 or the second surface SF2 of substrate 110.Thus; touch-control module 100 do not need extra protective seam with protection be exposed to the first touch-control electrode E1_1, E1_2 on substrate 110 ..., E1_N and/or the second touch-control electrode E2_1, E2_2 ..., E2_M, and can reduce manufacturing time and the cost of touch-control module 100.
In one embodiment, for avoid the first touch-control electrode E1_1, E1_2 ..., any one is exposed to first surface SF1 or the second surface SF2 of substrate 110 in E1_N, the first touch-control electrode E1_1, E1_2 ..., in E1_N the insert depth of any one second surface SF2 with respect to substrate 110 (being the opposite face of first surface SF1) roughly between 10 nanometer to 500 nanometers.For example, as shown in Figure 1B, the first touch-control electrode E1_1 for example, is roughly between 10 nanometer to 500 nanometers with respect to the insert depth (being H0 (the second surface SF2 of substrate 110 is with respect to the height of first surface SF1)-H1) of the second surface SF2 of substrate 110.
When what notice be, although in the utility model accompanying drawing, the first touch-control electrode E1_1, E1_2 ..., E1_N all illustrates as having equal height, and the second touch-control electrode E2_1, E2_2 ..., E2_M all illustrates as having equal height, but, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M height can change according to actual demand respectively, be not limited with the embodiment in accompanying drawing.
With further reference to Fig. 1 C, Fig. 1 C is the vertical view on the x-y coordinate plane of touch-control module 100 in Figure 1A.In the present embodiment, due to be see through difference in height mode patterning the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M, therefore an E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M can roughly not have a gap between the orthogonal projection of overlooking in direction (being x-y plane), that is, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., can roughly not have gap between the orthogonal projection of E2_M on the first surface SF1 of substrate 110.In other words, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., the orthogonal projection of E2_M on the first surface SF1 of substrate 110 be a continuous and complete plane.
Thus, can avoid the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., the optical index that causes of gap between E2_M is inhomogeneous, and affects the optics consistance of touch-control module 100 outward appearances.
On the other hand, when noticing, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., between the orthogonal projection of E2_M on the first surface SF1 of substrate 110 also roughly not overlapping (as shown in Figure 1B), so can reduce the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M capacitance coupling effect.
Fig. 2 A is the schematic diagram of a kind of touch-control module 200 of illustrating according to another embodiment of the utility model.
In the present embodiment, touch-control module 200 comprise multiple the first touch-control electrode E1_1, E1_2 ..., E1_N, multiple the second touch-control electrode E2_1, E2_2 ..., E2_M, multiple the 3rd touch-control electrode E3_1, E3_2 ..., E3_A, multiple the 4th touch-control electrode E4_1, E4_2 ..., E4_B, wherein N, M, A, B are positive integer.In the present embodiment, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M detail all identical with embodiment in Figure 1A-1C, therefore be not repeated herein.
In the present embodiment, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is for example all roughly strip.The 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is roughly parallel to each other, and the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is all parallel to the first surface SF1 of substrate 210.On the other hand, the 3rd, the 4th touch-control electrode E3_1, E3_2 ..., E3_A, E4_1, E4_2 ..., E4_B and first, second touch-control electrode E1_1, E1_2 ..., E1_N, E2_1, E2_2 ..., E2_M is mutually vertical.In addition, in the present embodiment, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B be each other closely alternately arrange.
For example, with reference to space axes x-y-z, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B long limit be all parallel to x axle.The 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B arranges in the y-direction alternately, for example, the 4th touch-control electrode E4_1 arranges adjacent to the y direction side of the 3rd touch-control electrode E3_1, the 3rd touch-control electrode E3_2 arranges adjacent to the y direction side of the 4th touch-control electrode E4_1, the 4th touch-control electrode E4_2 arranges adjacent to the y direction side of the 3rd touch-control electrode E3_2, and by that analogy.
In the present embodiment, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is embedded in respectively in substrate 210.And the 3rd touch-control electrode E3_1, E3_2 ..., any one and adjacent the 4th touch-control electrode E4_1, E4_2 in E3_A ..., E4_B differs from one another with respect to the height of the first surface SF1 of substrate 210, to be electrically insulated each other.In other words, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B forms respectively multiple planes of discontinuous (not contacting each other) each other, to reach the effect being electrically insulated each other.
Taking the 3rd touch-control electrode E3_1 as example, the 3rd touch-control electrode E3_1 is different from the height of the 4th adjacent touch-control electrode E4_1 with respect to the first surface SF1 of substrate 210 with respect to the height of the first surface SF1 of substrate 210, whereby, the 3rd touch-control electrode E3_1 and adjacent the 4th touch-control electrode E4_1 are electrically insulated each other.
With further reference to Fig. 2 B, Fig. 2 B is the side view on the y-z coordinate plane of touch-control module 200 in Fig. 2 A.The first touch-control electrode E1_1 is shown height H 1 with respect to the height indicator of the first surface SF1 of substrate 210.The second touch-control electrode E2_1 is shown height H 2 with respect to the height indicator of the first surface SF1 of substrate 210.The 3rd touch-control electrode E3_1 is shown height H 3 with respect to the height indicator of the first surface SF1 of substrate 210.The 4th touch-control electrode E4_1 is shown height H 4 with respect to the height indicator of the first surface SF1 of substrate 210.Height H 1, height H 2, height H 3 differ from one another with height H 4, to make the first touch-control electrode E1_1, the second touch-control electrode E2_1, the 3rd touch-control electrode E3_1 not contact each other and be electrically insulated with the 4th touch-control electrode E4_1.
In the utility model one embodiment, height difference H 4-(subtracting) H3 between height H 3 and height H 4 is roughly greater than 50 nanometers, so that the 3rd touch-control electrode E3_1 and the 4th touch-control electrode E4_1 are electrically insulated each other.On the other hand, height difference H 2-(subtracting) H4 between height H 2 and height H 4 is roughly greater than 50 nanometers, so that the second touch-control electrode E2_1 and the 4th touch-control electrode E4_1 are electrically insulated each other.
On the other hand, in the utility model one embodiment, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is embedded among the inside of substrate 210 all completely, that is, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is not exposed to first surface SF1 or the second surface SF2 of substrate 210.Thus; touch-control module 200 do not need extra protective seam with protection be exposed to the 3rd touch-control electrode E3_1, E3_2 on substrate 210 ..., E3_A and/or the 4th touch-control electrode E4_1, E4_2 ..., E4_B, and can reduce manufacturing time and the cost of touch-control module 200.
In one embodiment, for avoid the 3rd touch-control electrode E3_1, E3_2 ..., any one is exposed to first surface SF1 or the second surface SF2 of substrate 210 in E3_A, the 3rd touch-control electrode E3_1, E3_2 ..., in E3_A any one insert depth with respect to the first surface SF1 of substrate 210 roughly between 10 nanometer to 500 nanometers.
When what notice be, although in the utility model accompanying drawing, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A all illustrates as having equal height, and the 4th touch-control electrode E4_1, E4_2 ..., E4_B all illustrates as having equal height, but, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B height can change according to actual demand respectively, be not limited with the embodiment in accompanying drawing.
In one embodiment, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., can roughly not have gap or roughly not overlapping between the orthogonal projection of E4_B on the first surface SF1 of substrate 210.In other words, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., the orthogonal projection of E4_B on the first surface SF1 of substrate 210 be a continuous and complete plane.
In one embodiment, the vertical view on the x-y coordinate plane of touch-control module 200 in Fig. 2 A in Fig. 1 C, illustrate roughly similar, therefore correlative detail can be with reference to shown in Fig. 1 C.
See through above-mentioned setting, can realize in order to the touch-control module 200 of the touch points of sensing level and vertical direction.
When noticing, in an exemplary applications of the present utility model, can make the first touch-control electrode E1_1, E1_2 ..., E1_N or the second touch-control electrode E2_1, E2_2 ..., E2_M is in floating, and make the 3rd touch-control electrode E3_1, E3_2 ..., E3_A or the 4th touch-control electrode E4_1, E4_2 ..., E4_B is in floating.So-called " in floating " representative herein is not electrically connected or does not provide touch sensing signal to control chip (not illustrating).For example, in this application example, be only utilize the first touch-control electrode E1_1, E1_2 ..., E1_N or the second touch-control electrode E2_1, E2_2 ..., E2_M, and only utilize the 3rd touch-control electrode E3_1, E3_2 ..., E3_A or the 4th touch-control electrode E4_1, E4_2 ..., E4_B carries out touch sensing.On the other hand, in Another Application example, also can make the first touch-control electrode E1_1, E1_2 ..., E1_N, the second touch-control electrode E2_1, E2_2 ..., E2_M, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is neither in floating, that is, all carry out touch sensing.
On the other hand, also ought notice, although in the above-described embodiments, be see through embed the first touch-control electrode E1_1, E1_2 ..., E1_N, the second touch-control electrode E2_1, E2_2 ..., E2_M, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is in same substrate 210, to realize the touch-control module 200 in order to the touch points of sensing level and vertical direction.But, in fact, the utility model also can form respectively touch-control module (being for example touch-control module 100) in order to the touch points of sensing single direction (as horizontal direction) and the touch-control module in order to the touch points of sensing other direction (as vertical direction), and be stacked both are orthogonal, can be flat in order to water sensing and the touch-control module of the touch points of vertical direction to realize another kind.
For example, with reference to Fig. 3, Fig. 3 is the schematic diagram of a kind of touch-control module 300 of illustrating according to another embodiment of the utility model.In the present embodiment, touch-control module 300 comprises sub-touch-control module 301 and sub-touch-control module 302.Sub-touch-control module 301 and sub-touch-control module 302 can have and the same or analogous structure of touch-control module 100 shown in Fig. 1, therefore similar detail section will repeat no more in this.
In the present embodiment, sub-touch-control module 301 comprise substrate 310, the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M, wherein substrate 310 has first surface SF1 and the second surface SF2 with respect to first surface SF1.The first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M is embedded in substrate 310, and the first touch-control electrode E1_1, E1_2 ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M differs from one another and is electrically insulated each other with respect to the height of the first surface SF1 of substrate 310.
On the other hand, sub-touch-control module 302 comprise substrate 320, the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B, wherein substrate 320 has the 3rd surperficial SF3 and the 4th surperficial SF4 with respect to the 3rd surperficial SF3.The 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B is embedded in substrate 320, and the 3rd touch-control electrode E3_1, E3_2 ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B differs from one another and is electrically insulated each other with respect to the height of the 3rd surperficial SF3 of substrate 320.
In the present embodiment, sub-touch-control module 301 and orthogonal being stacked of sub-touch-control module 302, with make the 3rd, the 4th touch-control electrode E3_1, E3_2 ..., E3_A, E4_1, E4_2 ..., E4_B and first, second touch-control electrode E1_1, E1_2 ..., E1_N, E2_1, E2_2 ..., the orthogonal projection of E2_M on a certain predetermined plane (as the 3rd surperficial SF3 of substrate 320) be mutually vertical.
Thus, first, second touch-control electrode E1_1, E1_2 by being perpendicular to one another ..., E1_N, E2_1, E2_2 ..., E2_M and the 3rd, the 4th touch-control electrode E3_1, E3_2 ..., E3_A, E4_1, E4_2 ..., E4_B, touch-control module 300 can sensing level and the touch points of vertical direction.
When noticing, although in Fig. 3, sub-touch-control module 301 is to be arranged on sub-touch-control module 302, but in fact, sub-touch-control module 302 also can be arranged on sub-touch-control module 301, and the utility model is not limited with embodiment in Fig. 3.
In following paragraph, collocation Fig. 4, Fig. 5 A-5C are described to a kind of manufacture method of touch-control module.This manufacture method can be in order to manufacture same or similar touch-control module 100 in Figure 1A, and for making narration simple, below will, according to the utility model one embodiment, as an example of the touch-control module 100 in Figure 1A example, this manufacture method be narrated, so the utility model is not applied and is limited with this.
In addition, should be appreciated that, the step of mentioned manufacture method in the present embodiment, except chatting especially bright its order person, all can adjust its front and back order according to actual needs, even can carry out simultaneously or partly simultaneously.
Moreover, easy for making to narrate, below be only that example describes with regard to forming the part of the first touch-control electrode E1_1, E1_2 and the second touch-control electrode E2_1, but in fact, first, second touch-control electrode E1_1, E1_2 ..., E1_N, E2_1, E2_2 ..., any one in E2_M all can form by the following method.
Especially with reference to Fig. 4 and Fig. 5 A-5B, first, in first step, provide embedding liquid (the embedded ink) 112 that contains the first conductive additive (conducting additive) on the second surface SF2 of substrate 110, to make the first conductive additive embed in substrate 110, form the first conductive material layer 114 (step S1).The first conductive material layer 114 has the first electrode part 114a and the second electrode part 114b, distinctly for example, for example, in order to form the first touch-control electrode (being the first touch-control electrode E1_1 and E1_2) and the second touch-control electrode (being the second touch-control electrode E2_1) in subsequent step.
In one embodiment, substrate 110 can be by poly-sour methyl esters (polymethyl methacrylate, PMMA), polycarbonate (polycarbonate, PC), polyethylene terephthalate (polyethyleneterephthalate, PET), cyclic olefin monomers co-polymer (cyclo olefin polymer, COP) etc. suitably macromolecular material realize.In one embodiment, embedding liquid 112 containing the first conductive additive can be by being dissolved in the first conductive additive in specific solvent and realizing, the solubility parameter (solubility parameter) of wherein said specific solvent is close to the parameter of melting of the material of substrate 110, so that the first conductive additive being dissolved in described specific solvent penetrates among substrate 110, to reach the effect of embedding.In one embodiment, above-mentioned the first conductive additive can be that CNT, nano metal line, conducting resinl, conducting polymer, graphite are rare, the suitably conductive material such as nano metal.
By providing the embedding liquid 112 that contains the first conductive additive on the second surface SF2 of the substrate 110 forming with macromolecular material, can make the demi-inflation of contiguous second surface SF2 in substrate 110, so that the first conductive additive is penetrated among substrate 110, to reach embedded effect.
On the other hand, in one embodiment, aforementioned first step can be to see through printing (print) or be coated with (coating) to provide the embedding liquid 112 that contains the first conductive additive on the second surface SF2 of substrate 110.
Especially with reference to Fig. 4 and Fig. 5 B-5C, then, in second step, corresponding to the second electrode part 114b in the first conductive material layer 114, provide the embedding liquid 116 that does not contain the first conductive additive on the second surface SF2 of substrate 110, so that the second electrode part 114b is further embedded in to substrate 110 with respect to the first electrode part 114a, so as to separating the first electrode part 114a and the second electrode part 114b further embedding, and form respectively the first touch-control electrode E1_1 and E1_2 and the second touch-control electrode E2_1 (step S2).
By way so, can make roughly not have between the first touch-control electrode E1_1, E1_2 and the second orthogonal projection of touch-control electrode E2_1 on the first surface SF1 of substrate 110 gap and roughly not overlapping.
When noticing, the term " roughly " in the utility model, be the nearmis in order to modify quantity that can slight variations and to cause because of manufacture process, but this slight variations and nearmis can't change its essence.For example, in further embedding the second electrode part 114b during in substrate 110, may be because extruding causes error, make to have gap or slightly overlapping slightly between the first touch-control electrode E1_1, E1_2 and the second orthogonal projection of touch-control electrode E2_1 on the first surface SF1 of substrate 110.But the nearmis that these cause because of manufacture process, also among the utility model scope.
In one embodiment, can not be to melt the specific solvent that melt parameter of parameter close to the material of substrate 110 containing the embedding liquid 116 of conductive additive.
On the other hand, in one embodiment, aforementioned second step can also be to see through printing or be coated with to provide the embedding liquid 116 that does not contain conductive additive on the second surface SF2 of substrate 110.
In brief, above-mentioned manufacture method is to comprise: embed the first conductive material layer 114 in substrate 110, and the second electrode part 114b is further embedded in substrate 110 with respect to the first electrode part 114a, to form the first touch-control electrode E1_1, E1_2 separated from one another and the second touch-control electrode E2_1.
When noticing, although in above-described embodiment, be to provide embedding liquid 112,116 upper in the second surface SF2 of substrate 110, to reach the effect of embedding, but manufacture method in the utility model is as limit, other can reach the means that embed effect also among the utility model scope.
On the other hand, above-mentioned manufacture method also can be in order to the sub-touch-control module 301,302 in difference shop drawings 3.For example, after embedding the first conductive material layer is in substrate 310, the second electrode part in the first conductive material layer is divided with respect to the first electrode part and divides and be further embedded in substrate 310, with form the first touch-control electrode E1_1, E1_2 separated from one another ..., E1_N and the second touch-control electrode E2_1, E2_2 ..., E2_M.And, similarly, after embedding the second conductive material layer is in substrate 320, the 4th electrode part in the second conductive material layer is divided with respect to third electrode part and is further embedded in substrate 320, with form the 3rd touch-control electrode E3_1, E3_2 separated from one another ..., E3_A and the 4th touch-control electrode E4_1, E4_2 ..., E4_B.
Should attention person, the detail of above-mentioned steps can, with reference to the embodiment in Fig. 4 A, be not repeated herein.In addition, in the present embodiment, the second conductive material layer, third electrode part and the 4th electrode part divide similar in appearance to the first conductive material layer 114, the first electrode part 114a and the second electrode part 114b in Fig. 4 A, therefore its detail does not also repeat at this.
See through above-mentioned steps, can form the sub-touch-control module 301,302 of the touch-control module 300 in Fig. 3.And after the sub-touch-control module 301,302 forming in touch-control module 300, can be further by orthogonal overlapping to substrate 310 and substrate 320, make the first and second touch-control electrode E1_1, E1_2 ..., E1_N, E2_1, E2_2 ..., E2_M and the third and fourth touch-control electrode E3_1, E3_2 ..., E3_A, E4_1, E4_2 ..., E4_B is for example, in the projection of a predetermined plane (being the 3rd surperficial SF3 of substrate 320) orthogonal.Thus, can be made into the touch-control module 300 in Fig. 3.In certain embodiments, between sub-touch-control module 301 and 302, there is material layer (not drawing), in order to by touch-control module 301 with 302 laminating together with, this material layer can be homogenous material, can be also compound substance, but be not limited to this.
In addition, it should be noted that, although in above-described embodiment, be to manufacture aforementioned touch-control module 100 and sub-touch-control module 301,302 to describe for example.But in different application, similarly manufacture method also can be applicable to manufacture aforementioned touch-control module 200.
In following paragraph, collocation Fig. 6 A-6C is described to a kind of manufacture method of touch-control module.This manufacture method can be in order to manufacture same or similar touch-control module 200 in Fig. 2 A, and for making narration simple, below will, according to the utility model one embodiment, as an example of the touch-control module 200 in Fig. 2 A example, this manufacture method be narrated, so the utility model is not applied and is limited with this.
In addition, should be appreciated that, the step of mentioned manufacture method in the present embodiment, except chatting especially bright its order person, all can adjust its front and back order according to actual needs, even can carry out simultaneously or partly simultaneously.
Moreover, easy for making to narrate, below be only that example describes with regard to the part that forms the first touch-control electrode E1_1, E1_2, the second touch-control electrode E2_1, the 3rd touch-control electrode E3_1, E3_2 and the 4th touch-control electrode E4_1, but in fact, first, second touch-control electrode E1_1, E1_2 ..., E1_N, E2_1, E2_2 ..., E2_M and the 3rd, the 4th touch-control electrode E3_1, E3_2 ..., E3_A, E4_1, E4_2 ..., any one in E4_B all can form by the following method.
Again on the one hand, the step that forms the first touch-control electrode E1_1, E1_2 and the second touch-control electrode E2_1 can be with reference to the embodiment in Fig. 5 A-5C, therefore be not repeated herein.
In addition, for ease of explanation, after below lifting and forming the first touch-control electrode E1_1, E1_2 and the second touch-control electrode E2_1, the sequence of steps that forms the 3rd touch-control electrode E3_1, E3_2 and the 4th touch-control electrode E4_1 is that example describes, however in fact the utility model not as limit.In other embodiments, the step that forms the first touch-control electrode E1_1, E1_2 and the second touch-control electrode E2_1 can be carried out with the step that forms the 3rd touch-control electrode E3_1, E3_2 and the 4th touch-control electrode E4_1 simultaneously or partly simultaneously.
With reference to Fig. 6 A-6B, first, in third step, provide upper in the first surface SF1 of substrate 210 containing the embedding liquid 212 of conductive additive especially, to make the second conductive additive embed in substrate 210, form the second conductive material layer 214.The second conductive material layer 214 has third electrode part 214a and the 4th electrode part 214b, distinctly for example, for example, in order to form the 3rd touch-control electrode (being the 3rd touch-control electrode E3_1 and E3_2) and the 4th touch-control electrode (being the 4th touch-control electrode E4_1) in subsequent step.
In the present embodiment, substrate 210 and the detail containing the embedding liquid 212 of the second conductive additive can, with reference to last embodiment, be not repeated herein.In addition, can be same as or be different from the embedding liquid 116 containing the first conductive additive in previous embodiment containing the material of the embedding liquid 216 of the second conductive additive.
Moreover, provide containing the embedding liquid 212 of the second conductive additive and also can, with reference to last embodiment, be not repeated herein in the detail of the first surface SF1 of substrate 210.
Especially with reference to Fig. 6 B-6C, then, in the 4th step, corresponding to the 4th electrode part 214b in the second conductive material layer 214, provide the embedding liquid 216 that does not contain conductive additive on the first surface SF1 of substrate 210, so that the 4th electrode part 214b is further embedded in to substrate 210 with respect to third electrode part 214a, so as to separating third electrode part 214a and the 4th electrode part 214b further embedding, and form respectively the 3rd touch-control electrode E3_1 and E3_2 and the 4th touch-control electrode E4_1.
By way so, can make roughly not have between the 3rd touch-control electrode E3_1, E3_2 and the 4th orthogonal projection of touch-control electrode E4_1 on the first surface SF1 of substrate 210 gap and roughly not overlapping.
In the present embodiment, can, with reference to last embodiment, not be not repeated herein containing the detail of the embedding liquid 216 of conductive additive.In addition, can not be same as or be different from previous embodiment the not embedding liquid 116 containing conductive additive containing the material of the embedding liquid 216 of conductive additive.
In addition, provide the not embedding liquid 216 containing conductive additive also can, with reference to last embodiment, to be not repeated herein in the detail of the first surface SF1 of substrate 210.
In brief, above-mentioned manufacture method is to comprise: form the first touch-control electrode E1_1, E1_2 separated from one another and the second touch-control electrode E2_1; Embed the second conductive material layer 214 in substrate 210, and the 4th electrode part 214b is further embedded in substrate 210 with respect to third electrode part 214a, to form the 3rd touch-control electrode E3_1, E3_2 separated from one another and the 4th touch-control electrode E4_1.Whereby, can avoid seeing through etching mode patterning the 3rd touch-control electrode E3_1, E3_2 and the 4th touch-control electrode E4_1, to avoid the causing apparent optical index of touch-control module 200 inhomogeneous, and affect the optics consistance of touch-control module 200 outward appearances.
When noticing, although in above-described embodiment, be to provide embedding liquid 212,216 upper in the first surface SF1 of substrate 210, to reach the effect of embedding, but manufacture method in the utility model is as limit, other can reach the means that embed effect also among the utility model scope.In addition, because touch-control electrode E1_1-E1_N, E2_1-E2_M, E3_1-E3_A and E4_1-E4_B embed among substrate 210 all completely, touch-control module can have more globality, and be more convenient for following process or with other device assembles, as display module.
Although the utility model discloses as above with embodiment; so it is not in order to limit the utility model; anyly be familiar with this skill person; not departing from spirit and scope of the present utility model; when being used for a variety of modifications and variations, the scope that therefore protection domain of the present utility model ought define depending on appending claims is as the criterion.

Claims (16)

1. a touch-control module, is characterized in that, comprising:
One first substrate;
At least one the first touch-control electrode, is embedded in this first substrate; And
At least one the second touch-control electrode, be embedded in this first substrate, wherein this first touch-control electrode and this second touch-control electrode differ from one another with respect to the height of a first surface of this first substrate, so that this first touch-control electrode and this second touch-control electrode are electrically insulated each other.
2. touch-control module according to claim 1, it is characterized in that, this first touch-control electrode is greater than 50 nanometers with respect to height and this second touch-control electrode of this first surface of this first substrate with respect to the difference in height of the height of this first surface of this first substrate.
3. touch-control module according to claim 1, is characterized in that, this first touch-control electrode is not overlapping in the orthogonal projection of this first surface of this first substrate in orthogonal projection and this second touch-control electrode of this first surface of this first substrate.
4. touch-control module according to claim 1, is characterized in that, this first touch-control electrode and this second touch-control electrode are strip.
5. touch-control module according to claim 1, is characterized in that, this first touch-control electrode and this second touch-control electrode are parallel to each other.
6. touch-control module according to claim 1, is characterized in that, in this first touch-control electrode and this second touch-control electrode, at least one is to embed completely among the inside of this first substrate.
7. touch-control module according to claim 1, is characterized in that, also comprises:
At least one the 3rd touch-control electrode, is embedded in this first substrate; And
At least one the 4th touch-control electrode, be embedded in this first substrate, wherein this first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode are neither identical with respect to the height of this first surface of this first substrate, to make this first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode be electrically insulated each other.
8. touch-control module according to claim 7, it is characterized in that, in this first touch-control electrode, this second touch-control electrode, the 3rd touch-control electrode and the 4th touch-control electrode, appoint both to be greater than 50 nanometers with respect to the difference in height of the height of this first surface of this first substrate.
9. touch-control module according to claim 7, is characterized in that, the 3rd touch-control electrode and the 4th touch-control electrode are parallel to each other, and the 3rd, the 4th first, second touch-control electrode of touch-control electrode and this is mutually vertical.
10. touch-control module according to claim 7, is characterized in that, the 3rd touch-control electrode with respect to the insert depth of this first surface of this first substrate between 10 nanometer to 500 nanometers.
11. touch-control modules according to claim 7, is characterized in that, the 3rd touch-control electrode is not overlapping in the orthogonal projection of this first surface of this first substrate in orthogonal projection and the 4th touch-control electrode of this first surface of this first substrate.
12. touch-control modules according to claim 7, is characterized in that, the 3rd touch-control electrode and the 4th touch-control electrode are strip.
13. touch-control modules according to claim 7, is characterized in that, in the 3rd touch-control electrode and the 4th touch-control electrode, at least one is to embed completely among the inside of this first substrate.
14. touch-control modules according to claim 7, is characterized in that, the one in this first touch-control electrode and this second touch-control electrode is in floating, and one in the 3rd touch-control electrode and the 4th touch-control electrode is in floating.
15. touch-control modules according to claim 1, is characterized in that, also comprise:
One second substrate;
At least one the 3rd touch-control electrode, is embedded in this second substrate; And
At least one the 4th touch-control electrode, is embedded in this second substrate, and wherein the 3rd touch-control electrode and the 4th touch-control electrode differ from one another and are electrically insulated each other with respect to the height on one the 3rd surface of this second substrate.
16. touch-control modules according to claim 15, is characterized in that, this first substrate and this second substrate are orthogonal overlapping, make described the first and second touch-control electrodes and described the third and fourth touch-control electrode orthogonal in the projection of a predetermined plane.
CN201420098569.1U 2014-03-05 2014-03-05 Touch module Active CN203759666U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104898871A (en) * 2014-03-05 2015-09-09 宸鸿光电科技股份有限公司 Touch control module and manufacturing method of touch control module
WO2016173258A1 (en) * 2015-04-28 2016-11-03 京东方科技集团股份有限公司 Touch display screen and manufacturing method therefor, and display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104898871A (en) * 2014-03-05 2015-09-09 宸鸿光电科技股份有限公司 Touch control module and manufacturing method of touch control module
WO2016173258A1 (en) * 2015-04-28 2016-11-03 京东方科技集团股份有限公司 Touch display screen and manufacturing method therefor, and display device
US9965073B2 (en) 2015-04-28 2018-05-08 Boe Technology Group Co., Ltd. Touch display screen, manufacture method thereof, and display device

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