WO2017128754A1 - 触控单元及其制备方法、触控基板 - Google Patents
触控单元及其制备方法、触控基板 Download PDFInfo
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- WO2017128754A1 WO2017128754A1 PCT/CN2016/100707 CN2016100707W WO2017128754A1 WO 2017128754 A1 WO2017128754 A1 WO 2017128754A1 CN 2016100707 W CN2016100707 W CN 2016100707W WO 2017128754 A1 WO2017128754 A1 WO 2017128754A1
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- electrode
- touch
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- conductive
- branch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Definitions
- Embodiments of the present invention relate to a touch unit, a method of fabricating the same, and a touch substrate.
- the capacitive touch unit has the advantages of precise positioning and sensitivity, and is applied in many fields.
- the capacitive touch unit is divided into two types: self-capacitance type and mutual capacitance type. Since the mutual-capacitive touch unit can realize multi-touch, the mutual-capacitive touch unit becomes the mainstream and future development trend in the market.
- the mutual-capacitive touch screen is divided into two types: external plug-in type and integrated type.
- the integrated mutual-capacitive touch screen also called the in-cell mutual-capacitive touch screen, hereinafter referred to as the in-cell touch screen
- the control unit is integrated between the opposite substrate of the display panel and the array substrate.
- the external touch screen stacks the touch unit on the display panel, thereby inevitably increasing the thickness and weight of the entire display device, resulting in a decrease in light transmittance, which does not meet the requirements of the current trend of thin and light display devices.
- the in-cell touch screen has a significant advantage in reducing the thickness of the display device and improving the transmittance by integrating the touch unit inside the display panel.
- the display device can be made thinner and lighter.
- the capacitance between the touch electrodes in the touch unit is easily interfered by the electric field in the display panel, resulting in a low signal-to-noise ratio of the output signal, thereby causing the touch of the entire touch unit output.
- the signal-to-noise ratio of the control sensing signal is also low, which results in low touch recognition accuracy of the touch unit.
- the embodiment of the invention provides a touch unit, a preparation method thereof, and a touch substrate, which can solve the technical problem that the touch recognition accuracy of the current touch unit is low.
- An embodiment of the present invention provides a touch unit including: a first touch electrode, a second touch electrode, and a conductive branch, wherein the second touch electrode includes a first sub-electrode and a second a sub-electrode and a conductive bridge line, the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode, and the conductive bridge line spans the first touch electrode and both ends Separately
- the first sub-electrode is connected to the second sub-electrode;
- the conductive branch is connected to the second touch electrode and insulated from the first touch electrode, and the conductive branch is on the first touch electrode
- the orthographic projection on the plane at least partially falls within the area corresponding to the first touch electrode.
- an insulating layer, the conductive bridge line, and the first sub-electrode, the second sub-electrode, and the first touch electrode are disposed above A conductive branch is located above the insulating layer.
- a first via hole is disposed in the insulating layer, and the conductive bridge line and the first sub-electrode and the second sub-electrode pass the first Via connection.
- a second via hole is disposed in the insulating layer, and the conductive branch passes through the second via hole and the first sub-electrode and the second sub-portion Electrode connection.
- a second via hole is disposed in the insulating layer, and the conductive branch passes through the second via hole and the first sub-electrode or the second sub-port Electrode connection.
- the conductive branch is connected to the conductive bridge.
- the orthographic projections of the conductive branches on the plane where the first touch electrodes are located all fall within the area corresponding to the first touch electrodes.
- the conductive branch is disposed in the same layer as the conductive bridge line.
- the conductive branch includes a first conductive sub-branch and a second conductive sub-branch, and the first conductive sub-branch and the second conductive sub-branche are respectively located in the Both sides of the conductive bridge.
- the shapes of the first conductive sub-branch and the second conductive sub-branch are different.
- the embodiment of the present invention further provides a method for fabricating a touch unit, including: providing a substrate; forming a first touch electrode, a second touch electrode, and a conductive branch on the substrate;
- the second touch electrode includes a first sub-electrode, a second sub-electrode, and a conductive bridge line.
- the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode, and the conductive
- the bridge line is connected to the first touch electrode and the two ends are respectively connected to the first sub-electrode and the second sub-electrode;
- the conductive branch is connected to the second touch electrode and the first
- the touch electrode is insulated, and the orthographic projection of the conductive branch on the plane where the first touch electrode is located falls at least partially in a region corresponding to the first touch electrode.
- the step of forming the first touch electrode, the second touch electrode and the conductive branch on the base substrate comprises: Forming the first touch electrode, the first sub-electrode and the second sub-electrode on the base substrate; at the first touch electrode, the first sub-electrode and the second sub- Forming an insulating layer on the electrode; forming the conductive bridge line and the conductive branch on the insulating layer by a patterning process, the conductive bridge line and the first sub-electrode and the second sub-electrode passing through the first a via connection, the conductive branch is connected to the conductive bridge line; the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode.
- An embodiment of the present invention further provides a touch substrate, including: a substrate substrate; and the touch unit disposed in the substrate on the substrate.
- the touch unit is a plurality of to form a touch array, and in each of the touch units, the first touch electrode extends in a first direction.
- the second touch electrode extends in a second direction.
- each of the first touch electrodes arranged along the first direction is connected to each other;
- the second touch electrodes are connected.
- FIG. 1 is a schematic structural view of a mutual capacitive touch unit
- FIG. 2 is a schematic structural diagram of a touch unit according to an embodiment of the present invention.
- Figure 3 is a schematic cross-sectional view of the Z-Z direction of Figure 2;
- FIG. 4 is a schematic structural diagram of still another touch unit according to an embodiment of the present invention.
- Figure 5 is a schematic cross-sectional view of the P-P direction of Figure 4.
- FIG. 6 is a flowchart of a method for preparing a touch unit according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a method for fabricating a touch unit according to still another embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a touch substrate according to an embodiment of the invention.
- the touch unit T includes a first touch electrode 1 and a second touch electrode 2
- the second touch electrode 2 includes: The first sub-electrode 21, the second sub-electrode 23 and the conductive bridge 22, the first sub-electrode 21 and the second sub-electrode 23 are respectively located on two sides of the first touch electrode 1, and the conductive bridge 22 spans the first touch
- the electrode 1 is connected to the first sub-electrode 21 and the second sub-electrode 23.
- one of the first touch electrode and the second touch electrode serves as a touch scan electrode, and the other serves as a touch sensing electrode, and a mutual capacitance is generated between the first touch electrode and the second touch electrode.
- the mutual capacitance includes a capacitance generated by the fringe electric field between the first sub-electrode 21 and the second sub-electrode 23 and the first touch electrode 1 respectively, and a fringe electric field between the conductive bridge line 22 and the first touch electrode 1 The resulting capacitance.
- the portion is The signal-to-noise ratio of the output signal is relatively low, so that the signal-to-noise ratio of the touch sensing signal outputted by the entire touch unit is also low, and the touch recognition accuracy of the touch unit is low.
- An embodiment of the present invention provides a touch unit including a first touch electrode, a second touch electrode, and a conductive branch.
- the second touch electrode includes a first sub-electrode, a second sub-electrode, and a conductive
- the bridge line, the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode, the conductive bridge line spans the first touch electrode and the two ends are respectively connected with the first sub-electrode and the second sub-electrode;
- the branch is connected to the second touch electrode and insulated from the first touch electrode, and the orthographic projection of the conductive branch on the plane where the first touch electrode is located falls at least partially in the region corresponding to the first touch electrode.
- the touch unit can solve the technical problem of low touch recognition accuracy in the current touch unit.
- FIG. 2 is a schematic structural diagram of a touch unit according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of FIG. 2, FIG. 2 and FIG. 3,
- the touch unit includes: a first touch electrode 100, a second touch electrode 200, and a conductive branch 300.
- the second touch electrode 200 includes: a sub-electrode 201, a second sub-electrode 203, and a conductive bridge 202.
- the first sub-electrode 201 and the second sub-electrode 203 are respectively located on two sides of the first touch electrode 100, and the conductive bridge 202 spans the first touch electrode.
- the conductive branch 300 is connected to the second touch electrode 200 and insulated from the first touch electrode 100 , and the conductive branch 300 is at the first touch electrode 100 .
- the first and second sub-electrodes are connected to the first touch electrode 100 .
- the orthographic projection on the plane at least partially falls within the area corresponding to the first touch electrode 100. It should be noted that the touch unit provided by the embodiment of the present invention is located on the base substrate 400.
- the conductive branch 300 includes a portion A that is projected in the region corresponding to the first touch electrode 100 and a portion B that is projected out of the region corresponding to the first touch electrode 100 .
- a fringe electric field can be generated between the portion A and the first touch electrode 100, thereby effectively increasing the first
- the mutual capacitance between the touch electrode 100 and the second touch electrode 200 (the conductive branch 300 can be regarded as a part of the second touch electrode 200) (the positive projection on the conductive branch 300 falls on the first touch electrode 100)
- the portion A is shielded by the first touch electrode (the first touch electrode 100 can shield the electric field from the display panel), the portion A is not subjected to the touch process.
- the effect of the electric field in the display panel is that no noise signal is generated.
- the portion B on the conductive branch 300 that is projected beyond the region corresponding to the first touch electrode 100, since the portion B is far away from the first touch electrode 100, the portion B and the first touch
- the edge electric field between the control electrodes 100 is relatively small, and thus does not significantly affect the mutual capacitance between the first touch electrode 100 and the second touch electrode 200.
- the technical solution in the embodiment of the invention can improve the signal-to-noise ratio of the touch sensing signal, and is beneficial to improving the accuracy of the touch recognition.
- the first sub-electrode 201, the second sub-electrode 203, and the first A touch electrode 100 is disposed in the same layer, and an insulating layer 500 is disposed on the first sub-electrode 201, the second sub-electrode 203, and the first touch electrode 100, and the first sub-electrode 201 and the second sub-electrode are disposed on the insulating layer 500.
- the position of the electrode 203 is provided with a first via 801
- the conductive bridge 202 is located above the insulating layer 500, and the conductive bridge 202 is connected to the first sub-electrode 201 and the second sub-electrode 203 through the first via 801, respectively.
- the insulating layer 500 is further provided with a second via for connecting the conductive branch 300 to the first sub-electrode 201 and the second sub-electrode 203, or the insulating layer 500 is further provided with a conductive branch 300 and the first The second via 201 to which the sub-electrode 201 or the second sub-electrode 203 is connected.
- the conductive branch 300 is located above the insulating layer 500, and the conductive branch 300 is connected to the first sub-electrode 201 and the second sub-electrode 203 through the second via. It should be noted that, in FIG.
- the conductive branch 300 and the conductive bridge 202 can be disposed in the same layer above the insulating layer 500. At this time, the conductive branch 300 and the conductive bridge 202 can be simultaneously prepared by one patterning process, thereby shortening the production cycle. .
- FIG. 4 is a schematic structural view of still another touch unit according to an embodiment of the present invention
- FIG. 5 is a cross-sectional view of the PP direction of FIG. 4, as shown in FIG. 4 and FIG. 5, the touch unit shown in FIG.
- the difference between the touch unit shown in FIG. 2 is that, in the touch unit shown in FIG. 4, the conductive branch 300 is directly connected to the conductive bridge 202, and the conductive branch 300 can be made at the first touch electrode 100.
- the orthographic projections on the plane of the plane all fall within the area corresponding to the first touch electrode 100.
- the conductive branch 300 is connected to the first sub-electrode 100 through the second via hole.
- the conductive branch 300 extends from above the first sub-electrode 201 to the first touch.
- the conductive branch 300 necessarily includes a portion of the orthographic projection that falls between the gap between the first touch electrode 100 and the first sub-electrode 201.
- the portion is susceptible to interference from an electric field in the display panel, thereby being conductive.
- the signal in the branch causes interference.
- the conductive branch 300 is directly connected to the conductive bridge 202, and the conductive branch 300 is designed such that the conductive branch 300 is on the plane where the first touch electrode 100 is located.
- the orthographic projections all fall within the area corresponding to the first touch electrode 100.
- the electric field in the display panel can be effectively prevented from interfering with the signal in the conductive branch 300, thereby improving the touch recognition accuracy of the touch unit. degree.
- the conductive branch 300 includes a first conductive sub-branch 301 and a second conductive sub-branche 302, and the first conductive sub-branch 301 and the second conductive sub-branche 302 are respectively located on opposite sides of the conductive bridge 202.
- the total length of the conductive branch 300 can be effectively increased by providing conductive sub-branches on both sides of the conductive bridge.
- the orthographic projection of the conductive branch 300 falls on the area corresponding to the first touch electrode 100.
- the total length of the inner portion can also be increased as much as possible, so that the mutual capacitance between the first touch electrode 100 and the second touch electrode 200 (the conductive branch can be regarded as a part of the second touch electrode)
- the increase that is, the amount of useful information in the touch sensing signal output by the touch unit is increased, thereby further improving the signal to noise ratio of the touch sensing signal.
- the shapes of the first conductive sub-branch 301 and the second conductive sub-branch 302 are designed, when the shapes of the first conductive sub-branch 301 and the second conductive branch 302 are the same, the shape on the touch substrate is used for the entire touch substrate.
- the periodicity of the same conductive sub-branches is too strong, so that moiré phenomenon is apt to occur. Therefore, in the embodiment, the shapes of the first conductive sub-branches 301 and the second conductive sub-branches 302 are different, and the moiré phenomenon on the touch substrate can be effectively avoided.
- the shapes of the first touch electrode 100, the first sub-electrode 201 and the second sub-electrode 203, and the conductive branch 300 in FIG. 2 and FIG. 4 are merely exemplary functions, which are not implemented in the present invention.
- the technical solution of the example creates a limitation.
- the conductive branch 300 only needs to be in a linear structure to generate a fringe electric field with the first touch electrode 100, and the linear conductive branch 300 can be formed into any shape, which will not be exemplified herein.
- the embodiment of the present invention provides a conductive branch connected to the second touch electrode in the touch unit, and the orthographic projection of the conductive branch on the plane where the first touch electrode is located at least partially falls on the first touch electrode.
- the amount of useful information in the touch sensing signal outputted by the touch unit is effectively improved, thereby improving the signal-to-noise ratio of the touch sensing signal, thereby improving the accuracy of the touch recognition.
- FIG. 6 is a flowchart of a method for fabricating a touch unit according to an embodiment of the present invention. As shown in FIG. 6 , the preparation method is used to prepare the touch unit in the above embodiment.
- the preparation method includes:
- Step S1 providing a substrate
- Step S2 forming a first touch electrode, a second touch electrode, and a conductive branch on the base substrate;
- the second touch electrode includes: a first sub-electrode, a second sub-electrode, and a conductive bridge line.
- the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode, and the conductive bridge crosses the first touch An electrode and two ends of the electrode are respectively connected to the first sub-electrode and the second sub-electrode;
- the conductive branch is connected to the second touch electrode and insulated from the first touch electrode.
- the orthographic projection of the conductive branch on the plane where the first touch electrode is located falls at least partially in the region corresponding to the first touch electrode.
- FIG. 7 is a flowchart of a method for preparing a touch unit according to an embodiment of the present invention, and the preparation method shown in FIG. 7 is a solution based on the preparation method shown in FIG. 6.
- the preparation method includes:
- Step S11 forming a first touch electrode, a first sub-electrode, and a second sub-electrode on the base substrate by using a patterning process.
- the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode.
- a conductive electrode film layer is first formed on the base substrate 1 by deposition, coating, sputtering, etc., and the material of the conductive electrode film layer may be indium tin oxide or silver nanowires.
- the conductive material is then formed; then the pattern including the first touch electrode 100, the first sub-electrode 201, and the second sub-electrode 203 is formed by a patterning process.
- the patterning process in the embodiment of the present invention includes photoresist coating, exposure, development, etching, photoresist stripping and the like.
- Step S12 forming an insulating layer on the first touch electrode, the first sub-electrode, and the second sub-electrode.
- an insulating layer 500 is formed on the substrate processed by step S11 by deposition, coating, sputtering, or the like, and the insulating layer 500 covers the first touch electrode 100, the first sub-electrode 201, and the second sub-electrode. 203.
- the material of the insulating layer 500 may be a resin material, a material such as silicon oxide or silicon nitride.
- the conductive bridge line 202 in the subsequent step is also required to correspond to the first sub-electrode 201 on the insulating layer 500 by an etching process.
- the position of the second sub-electrode 203 forms a corresponding connection via, for example, forming a first via and a second via.
- Step S13 forming a conductive bridge line and a conductive branch on the insulating layer by a patterning process, the conductive bridge line is connected to the first sub-electrode and the second sub-electrode through the first via, and the conductive branch is connected to the conductive bridge.
- a conductive connection film layer is first formed on the insulating layer by deposition, coating, sputtering, etc., and the material of the conductive connection film layer may be a conductive material such as indium tin oxide, Mo, AL, Cu, etc.;
- the process forms a pattern comprising conductive bridge lines 202, conductive branches 3.
- the first sub-electrode 201, the conductive bridge line 202, and the second sub-electrode 203 constitute the second touch electrode 200.
- the conductive branch 300 and the first sub-electrode may also be And the second sub-electrode is connected through the second via hole, or the conductive sub-branch 300 is connected to the first sub-electrode or the second sub-electrode through the second via hole.
- the conductive bridge line 202 and the conductive branch 300 can be separately prepared by two patterning processes, and details are not described herein again.
- the method for manufacturing the touch unit is configured to provide a conductive branch connected to the second touch electrode in the touch unit, and the orthographic projection of the conductive branch on the plane of the first touch electrode is at least partially dropped.
- the amount of useful information in the touch sensing signal output by the touch unit is effectively improved, thereby improving the signal-to-noise ratio of the touch sensing signal, and improving the accuracy of the touch recognition. .
- FIG. 8 is a schematic structural diagram of a touch substrate according to an embodiment of the present invention.
- the touch substrate includes a base substrate (not shown) and a touch unit T located above the base substrate.
- the touch unit T uses the above-mentioned touch unit. For related descriptions of the touch unit, reference may be made to the related content, and details are not described herein again.
- the first touch electrodes 100 of the touch units T extend along the first direction X
- the second touch electrodes 200 extend along the second direction Y.
- the unit T forms a touch array.
- the first touch electrodes 100 of the touch units T arranged in the first direction X are connected
- the second touch units of the touch units are arranged along the second direction Y.
- the electrodes 200 are connected.
- all the first touch electrodes 100 arranged along the first direction X can be transmitted by the same signal trace 700
- all the second touch electrodes 200 arranged along the second direction Y can use the same signal trace. 600 performs signal transmission, which can effectively reduce the number of signal traces on the touch substrate.
- the touch substrate provided by the embodiment of the invention has high touch recognition accuracy.
- the embodiment of the present invention provides a touch unit and a method for fabricating the same, and the touch control unit includes: a first touch electrode, a second touch electrode, and a conductive branch, wherein the second touch electrode includes: a sub-electrode, a second sub-electrode and a conductive bridge line, the first sub-electrode and the second sub-electrode are respectively located on two sides of the first touch electrode, the conductive bridge line spans the first touch electrode and the two ends are respectively opposite to the first
- the sub-electrode is connected to the second sub-electrode
- the conductive branch is connected to the second touch electrode and insulated from the second touch electrode, and the orthographic projection of the conductive branch on the plane of the first touch electrode at least partially falls on the first In the area corresponding to the touch electrode.
- the technical solution of the embodiment of the invention can effectively improve the amount of useful information in the touch sensing signal output by the touch unit, thereby improving the signal to noise ratio of the touch sensing signal,
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Abstract
Description
Claims (15)
- 一种触控单元,包括:第一触控电极、第二触控电极和导电分支,其中,所述第二触控电极包括第一子电极、第二子电极和导电桥线,所述第一子电极和所述第二子电极分别位于所述第一触控电极的两侧,所述导电桥线跨过所述第一触控电极且两端分别与所述第一子电极和所述第二子电极连接;所述导电分支与所述第二触控电极连接且与所述第一触控电极绝缘,所述导电分支在所述第一触控电极所处平面上的正投影至少部分落在所述第一触控电极所对应的区域内。
- 根据权利要求1所述的触控单元,其中,所述第一子电极、所述第二子电极和所述第一触控电极的上方设置有绝缘层,所述导电桥线和所述导电分支位于所述绝缘层的上方。
- 根据权利要求2所述的触控单元,其中,所述绝缘层中设置有第一过孔,所述导电桥线与所述第一子电极、所述第二子电极通过所述第一过孔连接。
- 根据权利要求2所述的触控单元,其中,所述绝缘层中设置有第二过孔,所述导电分支通过所述第二过孔与所述第一子电极以及所述第二子电极连接。
- 根据权利要求2所述的触控单元,其中,所述绝缘层中设置有第二过孔,所述导电分支通过所述第二过孔与所述第一子电极或者所述第二子电极连接。
- 根据权利要求1或2所述的触控单元,其中,所述导电分支与所述导电桥线连接。
- 根据权利要求6所述的触控单元,其中,所述导电分支在所述第一触控电极所处平面上的正投影全部落在所述第一触控电极所对应的区域内。
- 根据权利要求1-7中任一项所述的触控单元,其中,所述导电分支与所述导电桥线同层设置。
- 根据权利要求8所述的触控单元,其中,所述导电分支包括第一导电子分支和第二导电子分支,所述第一导电子分支和所述第二导电子分支分别位于所述导电桥线的两侧。
- 根据权利要求9所述的触控单元,其中,所述第一导电子分支和所述第二导电子分支的形状不同。
- 一种触控单元的制备方法,包括:提供衬底基板;在所述衬底基板上形成第一触控电极、第二触控电极和导电分支;其中,所述第二触控电极包括第一子电极、第二子电极和导电桥线,所述第一子电极和所述第二子电极分别位于所述第一触控电极的两侧,所述导电桥线跨过所述第一触控电极且两端分别与所述第一子电极和所述第二子电极连接;所述导电分支与所述第二触控电极连接且与所述第一触控电极绝缘,所述导电分支在所述第一触控电极所处平面上的正投影至少部分落在所述第一触控电极所对应的区域内。
- 根据权利要求11所述的制备方法,其中,在所述衬底基板上形成所述第一触控电极、所述第二触控电极和所述导电分支的步骤包括:通过一次构图工艺在所述衬底基板上形成所述第一触控电极、所述第一子电极和所述第二子电极;在所述第一触控电极、所述第一子电极和所述第二子电极上形成绝缘层;通过一次构图工艺在所述绝缘层上形成所述导电桥线和所述导电分支,所述导电桥线与所述第一子电极、所述第二子电极通过第一过孔连接,所述导电分支与所述导电桥线连接;所述第一子电极和所述第二子电极分别位于所述第一触控电极的两侧。
- 一种触控基板,包括:衬底基板;设置在所述衬底基板上的如权利要求1-10中任一项所述的触控单元。
- 根据权利要求13所述的触控基板,其中,所述触控单元为多个以形成触控阵列,在各所述触控单元中,所述第一触控电极沿第一方向延伸,所述第二触控电极沿第二方向延伸。
- 根据权利要求14所述的触控基板,其中,在所述触控阵列中,沿所述第一方向排列的各所述第一触控电极相连接;沿所述第二方向排列的各所述第二触控电极相连接。
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US10754484B2 (en) * | 2018-05-30 | 2020-08-25 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch panel, manufacturing method for touch panel and touch device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201853214U (zh) * | 2010-09-30 | 2011-06-01 | 深圳市中显微电子有限公司 | 电容式触摸屏触控板 |
US20140320763A1 (en) * | 2013-04-25 | 2014-10-30 | Anapass Inc. | Capacitive touch-sensitive panel and mobile terminal using the same |
CN104407742A (zh) * | 2014-12-12 | 2015-03-11 | 合肥鑫晟光电科技有限公司 | 触控基板及其制备方法、显示装置 |
CN104750343A (zh) * | 2015-02-05 | 2015-07-01 | 深圳市华星光电技术有限公司 | 电容式感应元件、触摸屏及电子设备 |
CN105446570A (zh) * | 2016-01-28 | 2016-03-30 | 京东方科技集团股份有限公司 | 触控单元及其制备方法、触控基板 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI447475B (zh) * | 2009-09-07 | 2014-08-01 | Au Optronics Corp | 觸控面板 |
CN102915147A (zh) * | 2012-09-17 | 2013-02-06 | 北京京东方光电科技有限公司 | 触摸感应元件、触摸面板及触摸面板的制造方法 |
CN103092414B (zh) * | 2013-01-17 | 2015-12-02 | 北京京东方光电科技有限公司 | 一种外挂式触摸屏及其制作方法、显示装置 |
TW201445379A (zh) * | 2013-05-21 | 2014-12-01 | Wintek Corp | 觸控面板 |
TWI485598B (zh) * | 2013-07-02 | 2015-05-21 | Au Optronics Corp | 觸控面板及其製造方法 |
US9958973B2 (en) * | 2014-10-24 | 2018-05-01 | Lg Display Co., Ltd. | Touch panel and touch panel-integrated organic light emitting display device |
CN104765497B (zh) * | 2015-04-09 | 2018-01-09 | 深圳市华星光电技术有限公司 | 一种触摸屏及移动终端 |
-
2016
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201853214U (zh) * | 2010-09-30 | 2011-06-01 | 深圳市中显微电子有限公司 | 电容式触摸屏触控板 |
US20140320763A1 (en) * | 2013-04-25 | 2014-10-30 | Anapass Inc. | Capacitive touch-sensitive panel and mobile terminal using the same |
CN104407742A (zh) * | 2014-12-12 | 2015-03-11 | 合肥鑫晟光电科技有限公司 | 触控基板及其制备方法、显示装置 |
CN104750343A (zh) * | 2015-02-05 | 2015-07-01 | 深圳市华星光电技术有限公司 | 电容式感应元件、触摸屏及电子设备 |
CN105446570A (zh) * | 2016-01-28 | 2016-03-30 | 京东方科技集团股份有限公司 | 触控单元及其制备方法、触控基板 |
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