WO2014133347A1 - Structure d'une touche d'effleurement utilisant un motif factice pour un écran tactile de type capacitif - Google Patents

Structure d'une touche d'effleurement utilisant un motif factice pour un écran tactile de type capacitif Download PDF

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Publication number
WO2014133347A1
WO2014133347A1 PCT/KR2014/001648 KR2014001648W WO2014133347A1 WO 2014133347 A1 WO2014133347 A1 WO 2014133347A1 KR 2014001648 W KR2014001648 W KR 2014001648W WO 2014133347 A1 WO2014133347 A1 WO 2014133347A1
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WIPO (PCT)
Prior art keywords
dummy
patterns
pattern
sensor
dummy pattern
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PCT/KR2014/001648
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English (en)
Korean (ko)
Inventor
김태일
최범희
김상진
김달수
Original Assignee
미래나노텍 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from KR1020130047640A external-priority patent/KR101455287B1/ko
Application filed by 미래나노텍 주식회사 filed Critical 미래나노텍 주식회사
Priority to JP2015560101A priority Critical patent/JP6674257B2/ja
Priority to CN201480010504.XA priority patent/CN105009050B/zh
Publication of WO2014133347A1 publication Critical patent/WO2014133347A1/fr

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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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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

Definitions

  • the present invention relates to a structure of a touch pad for a capacitive touch screen, and more particularly, to a structure of a touch pad using a dummy pattern for a capacitive touch screen.
  • LCDs liquid crystal displays
  • PDPs plasma display panels
  • OLEDs organic light emitting diodes
  • AMOLEDs active matrix organic light emitting diodes
  • Such a touch screen is a device that enables the user's input by grasping the coordinates of the touched position when the user directly touches a character or a specific position on the screen or touches a human hand or a touch fan.
  • the touch screen includes a capacitive type, a resistive film type, a surface ultrasonic type, an infrared type, and the like according to its operation principle.
  • the capacitive touch screen converts a contact position into an electrical signal by detecting a change in capacitance that the conductive sensor pattern forms with other sensor patterns or ground electrodes, etc., when a human hand or an object comes in contact.
  • the sensor pattern may include first sensor patterns or X direction patterns formed to be connected in a first direction and second sensor patterns or Y direction formed to be connected in a second direction. It can be configured to include patterns.
  • the first sensor patterns and the second sensor patterns are each disposed on different layers.
  • the first sensor patterns are located in the upper layer and the second sensor patterns are located in the lower layer, and a dummy pattern is disposed between the first sensor patterns and between the second sensor patterns.
  • FIGS. 1A to 1B are diagrams illustrating an arrangement form of a sensor pattern and a dummy pattern according to the prior art.
  • dummy patterns 111 are disposed between sensor patterns 110 in a touch pad according to the related art, but the dummy patterns are not connected to each other. In case of partial short circuit between the sensor pattern and the dummy pattern, current flows from the sensor pattern into one dummy pattern.
  • the dummy patterns 111a are disposed between the sensor patterns 110 in the touch pad according to the related art, but the dummy patterns are also connected to each other (111b). In case of partial short circuit between the sensor pattern and the dummy pattern, current flows from the sensor pattern to the entire dummy pattern.
  • 2A to 2B are diagrams for describing a malfunction caused by a short circuit in the touch panel.
  • a change in capacitance of the part may be recognized by each sensor connected to the X-axis and the Y-axis to determine a touch coordinate.
  • an object of the present invention is to place a dummy pattern between the sensor pattern, a capacitive touch screen to divide the formed dummy pattern into a plurality of preset forms to form To provide a structure of a touch pad using a dummy pattern for.
  • Another object of the present invention is to place a dummy pattern between the sensor patterns, the touch pad using a dummy pattern for a capacitive touch screen to form a regular or irregular disconnection of the mesh constituting the disposed dummy pattern To provide structure.
  • Another object of the present invention is to arrange a dummy pattern between the sensor patterns, the auxiliary dummy pattern is located between the sensor pattern and the dummy pattern spaced apart by a predetermined distance along the interface between the sensor pattern and the dummy pattern physically separated.
  • the structure of a touch pad using a dummy pattern for a capacitive touch screen is provided between the first sensor patterns formed in a first direction and the first sensor patterns.
  • Each of the first dummy patterns and the second dummy patterns may include at least two sub dummy patterns physically separated from each other.
  • the first dummy patterns are disposed in an area corresponding to the positions of the second sensor patterns, and the second dummy patterns are disposed in an area corresponding to the positions of the first sensor patterns.
  • each of the first dummy patterns and the second dummy patterns is composed of at least two sub dummy patterns, and the sub dummy patterns have different numbers of sub dummy patterns.
  • the boundary line of each of the separated at least two sub-dummy patterns is formed to be parallel to each other in the direction of the mesh constituting the dummy pattern.
  • the boundary line of each of the separated at least two sub-dummy patterns is formed not to be parallel to each other in the direction of the mesh constituting the dummy pattern.
  • each of the first dummy patterns and the second dummy patterns is formed of two or more sub dummy patterns having a predetermined shape, and each of the two or more sub dummy patterns is a first dummy pattern or a second dummy pattern. It is characterized in that it is formed to have the same shape and the same area as the entire outer shape of the pattern.
  • each of the first dummy patterns and the second dummy patterns is formed of two or more sub dummy patterns having a predetermined shape, and each of the two or more sub dummy patterns is a first dummy pattern or a second dummy pattern. It has a shape different from the overall outer shape of the pattern, characterized in that formed to have an equal area.
  • each of the first dummy patterns and the second dummy patterns is formed of two or more sub dummy patterns having a predetermined shape, and each of the two or more sub dummy patterns is a first dummy pattern or a second dummy pattern. It is characterized in that it is formed to have a shape different from the shape of the entire outline of the pattern and have a different area.
  • each of the first dummy patterns and the second dummy patterns is formed of at least two sub dummy patterns physically separated by disconnecting a mesh therein regularly or irregularly.
  • each of the first dummy patterns and the second dummy patterns may break and divide a mesh regularly within a preset range, wherein the lengths of the broken lines are the same.
  • each of the first dummy patterns and the second dummy patterns may break and divide the mesh irregularly within a preset range, wherein the lengths of the broken lines are different from each other.
  • the structure of the touch pad using the auxiliary dummy pattern for the capacitive touch screen according to the present invention is located between the first sensor pattern and the first dummy pattern, and between the first sensor pattern and the first dummy pattern.
  • a first auxiliary dummy pattern spaced apart along the interface to be physically separated from the first dummy pattern;
  • a second auxiliary dummy pattern disposed between the second sensor pattern and the second dummy pattern and spaced apart along the interface between the second sensor pattern and the second dummy pattern to be physically separated from the second dummy pattern. It further comprises.
  • a structure of a touch pad using an auxiliary dummy pattern for a capacitive touch screen includes first dummy patterns formed between first sensor patterns and first sensor patterns formed in a first direction.
  • a second sensor unit wherein the first auxiliary dummy pattern is positioned between the first sensor patterns and the first dummy patterns, and the first auxiliary dummy pattern is formed of the first sensor patterns and the first dummy pattern.
  • the second auxiliary dummy pattern is positioned between the second sensor patterns and the second dummy patterns, and the second auxiliary dummy pattern is spaced apart from each other along the interface between the two second dummy patterns. And spaced apart from each other along the interface between the patterns and the second dummy patterns.
  • each of the first auxiliary dummy pattern and the second auxiliary dummy pattern is formed to be spaced apart along an outline of the corresponding first sensor patterns and the second sensor patterns. It is characterized in that it is formed to have the same shape as the outline of the two sensor patterns.
  • each of the first auxiliary dummy pattern and the second auxiliary dummy pattern is formed to be physically separated from the first dummy patterns and the second dummy patterns, and the first dummy patterns and the second dummy patterns are physically separated from each other.
  • Each of the patterns is characterized in that formed in combination with the dummy connection.
  • each of the first auxiliary dummy pattern and the second auxiliary dummy pattern is formed to be physically separated from the first dummy patterns and the second dummy patterns, and the first dummy patterns and the second dummy patterns are physically separated from each other.
  • Each of the patterns may be formed to be physically separated from the dummy connection portion.
  • each of the first auxiliary dummy pattern and the second auxiliary dummy pattern is formed to be physically separated from the first dummy patterns and the second dummy patterns, and the first dummy patterns and the second dummy patterns are physically separated from each other. It is characterized in that it is formed to surround the outside of the pattern.
  • a structure of a touch pad using a dummy pattern for a capacitive touch screen includes: a plurality of sensor patterns formed on a substrate to sense a touch signal; A plurality of wiring electrodes connected to each of the plurality of sensor patterns to transfer the touch signal; And a plurality of dummy patterns formed in a space between the plurality of sensor patterns or the plurality of wiring electrodes, wherein each of the plurality of dummy patterns includes two or more sub dummy patterns physically separated from each other. It is done.
  • the plurality of sensor patterns include: a plurality of first sensor patterns disposed in a first direction on one surface of the substrate; And a plurality of second sensor patterns disposed in a second direction crossing the first direction on the same surface on which the first sensor patterns are disposed, wherein the dummy patterns are disposed between the second sensor patterns.
  • the wiring electrodes may be arranged in a space formed as the wiring electrodes are connected to the sensor patterns.
  • the plurality of sensor patterns include: a plurality of first sensor patterns disposed in a first direction on one surface of the substrate; And a plurality of second sensor patterns disposed on the other surface of the substrate in a second direction crossing the first direction.
  • the plurality of dummy patterns may have different sizes depending on the size of the space formed between the plurality of sensor patterns or the plurality of wiring electrodes.
  • each of the plurality of dummy patterns is composed of at least two or more sub-dummy patterns, characterized in that the number of different sub-dummy patterns.
  • the boundary line of each of the separated at least two sub-dummy patterns is formed to be parallel to each other in the direction of the mesh constituting the dummy pattern.
  • the boundary line of each of the separated at least two sub-dummy patterns is formed not to be parallel to each other in the direction of the mesh constituting the dummy pattern.
  • each of the plurality of dummy patterns is composed of two or more sub-dummy patterns having a predetermined shape, wherein each of the two or more sub-dummy patterns has a different shape and a different area than the overall outer shape of the dummy pattern. Characterized in that it is formed to have.
  • each of the plurality of dummy patterns is formed of at least two or more sub-dummy patterns physically separated by disconnecting a mesh therein regularly or irregularly.
  • each of the plurality of dummy patterns is divided into irregularly broken meshes within a predetermined range, and the lengths of the broken lines are different from each other.
  • a structure of a touch pad using a dummy pattern for a capacitive touch screen includes: a plurality of sensor patterns formed on a substrate to sense a touch signal; A plurality of wiring electrodes connected to each of the plurality of sensor patterns to transfer the touch signal; A plurality of dummy patterns formed in the space between the plurality of sensor patterns or the plurality of wiring electrodes; And a plurality of auxiliary dummy patterns formed between the plurality of sensor patterns and the plurality of dummy patterns or between the plurality of wiring electrodes and the plurality of dummy patterns.
  • the plurality of dummy patterns may have different sizes depending on the size of the space formed between the plurality of sensor patterns or the plurality of wiring electrodes.
  • each of the plurality of dummy patterns and the plurality of auxiliary dummy patterns is divided into a plurality of pieces.
  • the present invention is to arrange the dummy pattern between the sensor pattern, formed by dividing the arranged dummy pattern into a plurality of predetermined forms or formed by regular or irregular disconnection of the mesh constituting the arranged dummy pattern or the sensor Located between the pattern and the dummy pattern to be spaced apart by a predetermined distance along the interface between the sensor pattern and the dummy pattern to form a physically separated auxiliary dummy pattern, even if a partial short between the sensor pattern and the dummy pattern occurs, the stability of the function There is an effect that can be secured.
  • the present invention has the effect of improving the sensor operation by minimizing the current flowing into the dummy pattern from the sensor pattern through the division of the dummy pattern or disconnection of the mesh.
  • the present invention has an effect of improving the yield even if the sensor pattern and the dummy pattern is part of the short-circuit because the short-circuit range is not a problem to the product use enough to discard the product itself.
  • FIGS. 1A to 1B are diagrams illustrating an arrangement form of a sensor pattern and a dummy pattern according to the prior art.
  • 2A to 2B are diagrams for describing a malfunction caused by a short circuit in the touch panel.
  • FIG. 3 is a view showing the shape of the sensor patterns according to an embodiment of the present invention.
  • FIGS. 4A to 4C are exemplary views illustrating a sensing unit, a connecting unit, and a dummy unit of a touch screen sensor substrate according to an exemplary embodiment of the present invention.
  • FIG. 5 is an exemplary view illustrating an enlarged view of a sensing part, a connecting part, and a dummy part of a touch screen sensor substrate according to an exemplary embodiment of the present invention.
  • FIG. 6 is an exemplary view illustrating a mesh-shaped pattern forming a sensing unit, a connecting unit, and a dummy unit of the touch screen sensor substrate according to an exemplary embodiment of the present invention.
  • FIG. 7A to 7B are cross-sectional views of a touch screen sensor substrate according to an embodiment of the present invention.
  • FIG. 8A is an exemplary diagram illustrating a configuration of a touch screen sensor according to an embodiment of the present invention.
  • FIG. 8B is a cross-sectional view of a touch screen sensor according to an embodiment of the present invention.
  • 9A to 9C are first views illustrating the shape of a touch pad according to an embodiment of the present invention.
  • 10A to 10C are second views illustrating the shape of a touch pad according to an embodiment of the present invention.
  • 11A to 11B are first views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • 12A to 12B are second views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • 13A to 13B are third views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • 14A to 14B are fourth views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • FIG. 15 is a fifth view illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • 16 is a diagram illustrating an arrangement form of an auxiliary dummy pattern according to an embodiment of the present invention.
  • 17 is a sixth view illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • 18A to 18B are seventh diagrams illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • FIG. 19 is a diagram illustrating a configuration of a touch screen sensor according to another embodiment of the present invention.
  • FIG. 20 is an enlarged view of a shape of a sensor pattern, a dummy pattern, and a wiring electrode illustrated in FIG. 19.
  • FIG. 21 is an enlarged view illustrating an arrangement position and a shape of the dummy pattern illustrated in FIG. 19.
  • a dummy pattern is disposed between the sensor patterns, but 1) the dummy pattern is divided into a plurality of sub-dummy patterns having a plurality of preset shapes, or 2) an internal dummy pattern is formed. 3) a new touch that is formed by disconnecting the mesh regularly or irregularly, or 3) is positioned between the sensor pattern and the dummy pattern to form a physically separated auxiliary dummy pattern spaced by a predetermined distance along the boundary between the sensor pattern and the dummy pattern.
  • the reason why the dummy pattern disposed between the sensor patterns is divided into a sub dummy pattern or a dummy pattern and an auxiliary dummy pattern is to prevent the current flowing from the sensor pattern from flowing into the entire dummy pattern during a short circuit.
  • FIG. 3 is a view showing the shape of the sensor patterns according to an embodiment of the present invention.
  • the sensor patterns according to the present invention are arranged to cross each other.
  • the first sensor patterns 110 for detecting the X coordinate and the second sensor patterns 210 for detecting the Y coordinate are shown. It may include.
  • the first sensor patterns 110 may be regularly formed in a first direction, for example, a vertical direction, as patterns for detecting an X coordinate.
  • the second sensor patterns 210 may be regularly formed in a second direction, for example, a horizontal direction, as patterns for detecting a Y coordinate.
  • the first sensor patterns 110 include a plurality of first sensing units 110a and a connection unit 110b connecting the first sensing units 110a, and likewise, the second sensor patterns 210 also include a plurality of first sensing units 110a. It may include a connection unit 210b for connecting the second sensing unit 210a and the second sensing unit 210a.
  • 4A to 4C are exemplary views illustrating a sensing unit and a connection unit of the touch screen sensor substrate according to the present embodiment.
  • the touch screen sensor substrate may include a plurality of sensing units 110a formed of electrodes connected to patterns on one surface of the substrate in a predetermined direction, and patterns having the same or similar direction as that of the pattern. It is formed of an electrode to be connected, and includes a connecting portion (110b) for connecting the sensing unit (110a).
  • the touch screen sensor substrate is formed of an electrode adjacent to the sensing unit 110a and connected in a pattern of the same or similar direction as that of the pattern, so that the visibility of the sensing unit 110a is improved.
  • a plurality of dummy patterns 111a for reducing the number of pixels are used.
  • the sensing unit 110a and the dummy pattern are electrodes provided to detect a user's touch signal, and are formed of a conductive material in the present invention, and the conductive material may be opaque.
  • the dummy pattern 111a is an electrode formed adjacent to or adjacent to the sensing unit 110a, and as a name means, a dummy pattern is formed in a pattern similar to the shape of the sensing unit 110a. An electrode or a combination thereof is formed in an inactive state so as not to detect a touch signal. Therefore, the sensing unit 110a and the dummy pattern 111a are formed to be electrically insulated.
  • the reason for forming the dummy pattern 111a on the substrate is that the sensing unit 110a, which is not formed of a transparent electrode material, is formed on the front surface of the touch screen sensor, and the sensing unit 110a is formed by external light irradiated to the touch screen sensor. This is to prevent the phenomenon which is recognized.
  • the sensing unit 110a and the dummy pattern 111a are formed in a straight line shape, but the present invention is not limited thereto and may be formed in various patterns. It is possible to form the entire shape of the part 110a in the shape of diamond, trapezoid, rhombus, or the like.
  • the electrode is an electrode provided to transmit a touch signal sensed by the sensing unit 110a to an external driving circuit (not shown), and at the same time when the sensing unit 110a and the dummy pattern 111 are formed on the substrate. It is preferably formed. In the present invention, since the matter regarding the electrode is beyond the scope of the invention, a detailed description thereof will be omitted.
  • the sensing unit 110a, the dummy pattern 111a, and the sensing connection unit 110b of the touch screen sensor substrate according to the present exemplary embodiment may be formed of electrodes connected in the same or similar pattern in a predetermined direction. It is preferable. In addition, when the dummy connection part is included, it is preferable that the dummy connection part is also formed of electrodes connected in the same or similar pattern in a predetermined direction.
  • the pattern in a constant direction is a continuous pattern.
  • the lines formed in the predetermined direction cross each other.
  • the same or similar pattern in this embodiment means that the repetition period and the repeating shape are geometrically identical in the repetition of the pattern, and that the repetition note and the repetition shape are formed within an acceptable tolerance range that is predetermined by software. It is preferable to include the case where it becomes. Therefore, in the present exemplary embodiment, when there are not only the electrode patterns of the sensing unit 110a and the dummy pattern 111a but also the sensing connecting unit 110b and the dummy connecting unit 111b connecting them, the electrode patterns of the dummy connecting unit 111b are the same. Therefore, the visibility of the detection unit 110a recognized by the user may be reduced.
  • the pattern in a predetermined direction is formed in a continuous pattern, it is preferable to form a part of the pattern to form the sensing unit (110a) and the dummy pattern (111a). In addition, a portion of the pattern is broken when the sensing unit 110a, the dummy pattern 111a, the sensing connection unit 110b, and the dummy connection unit 111b exist, and the edge of the pattern of the dummy connection unit 111b is opened. It is preferably formed.
  • a part of the pattern broken at the boundary between the detector 110a and the dummy pattern 111a is to be electrically insulated from the detector 110a and the dummy pattern 111a. Opening of the edge of the pattern 110a and the pattern of the dummy pattern 111a means that the edge is not connected to the edge electrode as shown in FIG. 5.
  • 5 is an enlarged view of a portion of FIG. 4B. Referring to FIG. 5, the edge is opened and connected to the edge electrode to solve the problem of continuity disappearing and disconnection. The visibility of the detection unit 110a may be reduced by recognizing that the image is recognized.
  • the pattern is preferably a mesh-shaped pattern in which lines formed in a predetermined direction cross each other, as shown in FIGS. 4A to 4C.
  • the mesh shape may include both a regular mesh shape and an atypical mesh shape.
  • the mesh shape in which lines formed in a predetermined direction cross each other means to form a mesh-like pattern of a mesh shape or a mesh shape as a whole.
  • the mesh-shaped lines of the patterns intersecting with each other have the same line width and pitch defining the spacing between the lines, or have a line width or pitch of preset similarity.
  • the line width or pitch is the same or has a line width or pitch of a predetermined similarity means that a predetermined range of values shown in [Table 1] are obtained to obtain a predetermined fill factor.
  • the mesh-shaped lines that cross each other are preferably tilted according to a predetermined angle.
  • the lines formed in this embodiment have a pattern inclined at 45 ° with respect to the horizontal axis, and the inclined form increases the ratio of electrodes for detecting a touch input per unit area to increase the accuracy of detection.
  • the predetermined angle to be tilted is preferably an angle determined in order to prevent occurrence of moiré phenomena due to mutual interference between the pattern in a predetermined direction and the pattern and the other pattern.
  • the interference between the pattern and the other pattern may be that the patterns of the electrodes formed on the substrates cause interference when a plurality of substrates sensing touch positions in different directions are stacked, or the image information display unit displaying image information. It may be generated with the patterns formed by the plurality of pixels included in the.
  • the moiré phenomenon is generally a natural interference phenomenon that is formed when two independent periodic patterns are stacked at an angle.
  • the moiré pattern refers to wave-shaped curves, ripples, and fluctuations in intensity in the form of small bundles that are stacked with the display image of the screen.
  • FIG. 7A to 7C are cross-sectional views of a touch screen sensor substrate according to an embodiment of the present invention.
  • the touch screen sensor substrate includes a substrate 100b, a resin layer 100a, and an electrode layer 112.
  • the substrate 100b is preferably formed of a transparent substrate 100b. That is, the substrate 100b having a certain transparency, the transparent substrate 100b is PET (Polyethylene Terephthalate), PI (Polymide), acrylic (Acryl), polycarbonate (PC), triacetate cellulose (TAC), polymethyl meta It may be formed in the form of a transparent thin film using at least one of Crescent (PMMA), polyether sulfone (PES), polyethylene naphthalate (PEN), or glass (glass).
  • PET Polyethylene Terephthalate
  • PI Polymide
  • acrylic Acrylic
  • PC polycarbonate
  • TAC triacetate cellulose
  • PMMA Polymethyl meta It may be formed in the form of a transparent thin film using at least one of Crescent (PMMA), polyether sulfone (PES), polyethylene naphthalate (PEN), or glass (glass).
  • the resin layer 100a is laminated on the base material 100b and has a patterned engraving on one surface thereof. Specifically, the resin layer 100a is laminated on the transparent substrate 100b, and the intaglio shape is imprinted on the resin layer 100a by using an embossed mold corresponding to the desired intaglio shape. Is formed. That is, the intaglio is formed in the resin layer 100a by using an embossed mold. Accordingly, one or more intaglio forms a pattern.
  • a cross section of the resin layer 100a having the intaglio may have a recessed shape of any one of a rectangle, a triangle, and a trapezoid.
  • the intaglio shape formed in the resin layer 100a is also rectangular. If the embossed shape of the mold is triangular, the intaglio shape formed in the resin layer 100a is also triangular. Of course, the intaglio shape formed in 100a) is also trapezoidal.
  • the width of the intaglio may be in the range of 1 ⁇ m to 10 ⁇ m, the depth in the range of 1 ⁇ m to 10 ⁇ m, and the pitch between the intaglio and the intaglio may be in the range of 200 ⁇ m to 600 ⁇ m. Of course, this is only one embodiment, and the width, depth, and pitch of the intaglio may be variously modified.
  • the resin layer 100a is preferably implemented with UV (UltraViolet) resin or thermosetting resin.
  • the electrode layer 112 is formed by filling a conductive material in the intaglio.
  • a conductive material may include copper (Cu), silver (Ag), aluminum (Al), nickel (Ni), chromium (Cr), nickel-phosphorus (Ni-P), and the like.
  • the sensing unit 110a and the dummy pattern 111 may be formed at the same time, and may be formed of the same conductive material. However, as described above, the sensing unit 110a is an electrically active electrode that senses and transmits a touch signal. Pattern 111 is an electrically inert electrode.
  • the touch screen sensor substrate according to the present exemplary embodiment may have visibility of a dummy connector (not shown) when the sensing unit 110a, the dummy pattern 111, the sensing connector 110b, and the dummy connector are formed on the electrode layer 112.
  • the black layer 114 may be further reduced, and the black layer 114 may be stacked on the negative electrode layer 112 or between the resin layer 100a and the electrode layer 112. Referring to FIG. 7A, in the present embodiment, the black layer 114 is stacked between the resin layer 100a and the electrode layer 112 to surround the electrode layer 112 at an intaglio formed in the resin layer 100a.
  • the black layer 114 does not enclose the electrode layer 112.
  • the electrode layer 112 is internally stacked in a form of covering. Accordingly, the sensor plate according to the present embodiment prevents the electrode layer from being visually recognized by using the black layer.
  • the black layer is conductive, including carbon black, and it is preferable to use a black metal material.
  • the electrode layer 112 may be formed inside the intaglio formed in the resin layer 100a and may be embossed on the resin layer 100a.
  • the electrode layer 112 may have an embossed conductive material formed on the numerical layer 100a by a transfer or lithography process.
  • 8A to 8B are exemplary diagrams for describing a touch screen sensor according to a second embodiment of the present invention.
  • the first sensor unit 100 and the second sensor unit 200 are bonded to each other to form a touch screen sensor. That is, the first sensor unit 100 and the second sensor unit 200 may be bonded to each other by forming upper and lower substrates, and the adhesive layer 300 may be disposed therebetween.
  • the adhesive layer 300 may maintain the transparency of the touch screen sensor by using an optical clear adhesive (OCA).
  • the second sensor unit 200 includes a plurality of second sensing units 210a formed of electrodes connected to the other surface of the substrate in a second direction in a predetermined direction, and electrodes connected in a pattern of the same or similar direction as the second direction. And a second sensing connector 210b connecting the second sensing unit 210.
  • the surface on which one substrate is formed is one surface.
  • the other side of the substrate on which the substrate is not formed is called the other side.
  • the substrates may be joined to face each other. to be.
  • the first sensor unit and the second sensor unit may be formed on each surface of the plurality of substrates.
  • the first sensor unit 100 of the touch screen sensor is formed of an electrode adjacent to the first sensing unit 110a and connected in a pattern of the same or similar to the direction of the first pattern
  • the first dummy pattern 111 is formed of a plurality of first dummy patterns 111 to reduce the visibility of the sensing unit 110a and electrodes connected in a pattern that is the same as or similar to the direction of the first pattern. It includes a first sensing connecting portion 110b for connecting and one surface of the substrate is preferably included in the first dummy pattern 111 in a position corresponding to the second sensing portion (210a).
  • the second sensor unit 200 is formed of an electrode adjacent to the second sensing unit 210a and connected in a pattern of the same or similar direction as that of the second pattern, thereby reducing the visibility of the sensing unit 210a.
  • the plurality of second dummy patterns 211 and the touch screen sensor substrate may be formed of electrodes connected in a pattern of the same or similar direction as that of the pattern, and a connection part (not shown) connecting the dummy patterns 111. It may further include.
  • the first sensor unit 100 and the second sensor unit 200 are bonded to each other by the first sensor unit 110a formed in the first sensor unit 100 and the second sensor unit 200 formed in the second sensor unit 200.
  • the sensing unit 210a is bonded in a direction perpendicular to each other. That is, if the first direction of the first sensing unit 110a is the y direction on the coordinate axis, the second direction of the second sensing unit 210a may be joined to each other so as to be the x direction on the coordinate axis.
  • a second dummy pattern 211 is formed in the second sensor unit 200 at a position corresponding to (or facing) the first sensing unit 110a and at a position corresponding to the second sensing unit 210a.
  • the first dummy pattern 111 is formed in the first sensor unit 100.
  • the first dummy pattern 111 may be formed at a position of one surface of the substrate corresponding to the position of the second sensing unit 210a.
  • the second dummy pattern 211 may be formed of the first sensing unit ( It is preferably formed at the position of the other surface of the base material corresponding to the position of 110a).
  • the dummy pattern 211 in the Y-axis direction is located on the other side of the substrate at a position corresponding to the direction perpendicular to the position of the sensing unit 100a that detects the touch position in the X-axis direction on the touch screen sensor in this embodiment.
  • the dummy pattern 111 in the X-axis direction is positioned on one surface of the substrate at a position corresponding to the position perpendicular to the position of the sensing unit 200a that detects the touch position in the Y-axis direction. Therefore, the first sensing unit 100a and the second sensing unit 200a are alternately arranged to form the coordinates when the user inputs the touch signal.
  • the first sensor unit and the second sensor unit may be formed on one side and the other side of the same substrate as described above, or may be formed on different substrates, respectively.
  • the joining of the first sensor unit and the second sensor unit may be performed by the first and second sensor units formed on the first sensor unit. It is preferable that the second sensing units formed in the are joined in directions perpendicular to each other. That is, when the first direction of the first sensing unit is the y direction on the coordinate axis, the second direction of the second sensing unit is joined to each other so as to be the x direction on the coordinate axis.
  • a second dummy pattern is formed in the second sensor unit at the position corresponding to the first sensing unit, and a first dummy pattern is formed in the first sensor unit at the position corresponding to the second sensing unit.
  • the first dummy pattern may be formed at a position of one surface of the substrate corresponding to the position of the second sensing unit, and the second dummy pattern may be formed at a position of the other surface of the substrate corresponding to the position of the first sensing unit. It is preferably formed.
  • 9A to 9C are first views illustrating the shape of a touch pad according to an embodiment of the present invention.
  • the first sensor patterns 110 and the second sensor patterns 210 according to the present invention may be disposed on different layers.
  • the first sensor patterns 110 may be disposed in the first sensor unit 100, which is an upper layer
  • the second sensor patterns 210 may be disposed in the second sensor unit 200, which is a lower layer.
  • an adhesive layer (not shown) may be disposed between the first sensor unit 100 and the second sensor unit 220, which will be described below for convenience of description.
  • dummy patterns 111 and 211 may be disposed between the first sensor patterns 110 and the second sensor patterns 210, respectively. These dummy patterns may be empty spaces between the sensor patterns. As the patterns to fill the gap, the sensor does not perform the function of sensing the contact position like the sensor patterns.
  • the first dummy patterns 111 may be intersected between the first sensor patterns 110, and the first dummy patterns 111 may be disposed in an empty area corresponding to the positions of the second sensor patterns 210. ) May be arranged crosswise.
  • the second dummy patterns 211 may be intersected between the first sensor patterns 110, and the second dummy patterns 211 may be disposed in an empty area corresponding to the positions of the second sensor patterns 210. ) May be arranged crosswise.
  • the first dummy patterns 111 may be intersected between the first sensor patterns 110 and the dummy patterns may not be disposed between the second sensor patterns 210.
  • the second dummy patterns 211 may be disposed only between the second sensor patterns 210 and the dummy patterns may not be disposed between the first sensor patterns 110.
  • These dummy patterns may be formed to have the same size as that of the sensor patterns and be formed of the same material.
  • the dummy patterns may be formed so as not to be connected to each other dummy patterns adjacent to each other as needed, or may be formed to be connected to each other.
  • 10A to 10C are second views illustrating the shape of a touch pad according to an embodiment of the present invention.
  • a touch pad may include a first sensor unit 100 and a second sensor pattern 210 in which first sensor patterns 110 and first dummy patterns 111 are arranged to cross each other.
  • the second dummy patterns 211 may include the second sensor unit 200 intersected with each other. That is, dummy patterns may be disposed in empty spaces between the first sensor patterns 110 and the second sensor patterns 210, respectively.
  • the separation distance between the sensor patterns and the dummy patterns is within 5 ⁇ m ⁇ 30 ⁇ m, particularly preferably 15 ⁇ m or more.
  • the separation distance between the first sensor patterns and the first dummy patterns or the separation distance between the second sensor patterns and the second dummy patterns may be 15 ⁇ m.
  • the touch pad according to the present invention may include a first sensor unit 100 and a second sensor pattern 210 in which the first sensor patterns 110 and the first dummy patterns 111 are arranged to cross each other.
  • dummy patterns are not disposed in the empty spaces between the first sensor patterns 110, and dummy patterns are disposed only in the empty spaces between the second sensor patterns 210. It may be.
  • the present invention is formed by dividing the dummy pattern disposed between the sensor patterns into a plurality of sub-dummy patterns having a predetermined shape
  • the division method is, for example, 1) have the same shape as the entire outer shape and equal 2) A method of dividing to have an area, 2) A method of dividing into a shape that is different from the overall outline but having an equal area, and 3) Dividing according to a virtual dividing pattern, but pre-set between the lines in the virtual dividing pattern and the mesh in the dummy pattern. 4) a method of dividing the mesh in a dummy pattern at regular or irregular breaks and the like.
  • 11A to 11B are first views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the present invention is formed by dividing each of the dummy patterns disposed between the sensor patterns into a plurality of sub-dummy patterns having a predetermined shape, and a part of the pattern having the continuity of the dummy patterns. By dividing, it can be divided to have the same shape as the entire outer shape and an even area.
  • a broken line of the dummy pattern 111 and a mesh in the dummy pattern may be formed in parallel.
  • the broken line of the dummy pattern 111 and the mesh in the dummy pattern may be formed to have a predetermined angle so as not to be parallel.
  • the dummy pattern according to the present invention is divided into a plurality of pieces, and evenly divided so as to have the same shape as the entire outline, regardless of the direction of the mesh in the dummy pattern.
  • the rectangular dummy pattern 111 is divided into rectangular sub dummy patterns 111a, 111b, 111c, 111d, 111e, 111f, 111g, 111h, and 111i.
  • a problem in which a moiré may be generated may be suppressed by forming a line at which the dummy pattern is broken and a mesh in the dummy pattern having a predetermined angle.
  • the dummy pattern is partially broken and divided into a plurality of sub dummy patterns, edges of each of the plurality of divided sub dummy patterns are opened.
  • Part of the pattern broken at the boundary of the sub-dummy pattern is to be electrically insulated from each other between the sub-dummy patterns, and also broken, and formed by opening the edge of the pattern of the sub-dummy pattern means that the edge is not connected to the edge electrode. do.
  • Opening the edge of the sub-dummy pattern is connected to the edge electrode to solve the problem of continuity disappeared and disconnected.
  • the sub-dummy pattern allows the user to recognize the electrode as continuous when viewed at a small interval.
  • the outer shape of the dummy pattern can be clearly seen when there is no dummy connection as in the present embodiment, but when the dummy connection is not, the outer shape of the dummy pattern should be defined by appropriately dividing the partition between the dummy connection and the dummy pattern. do.
  • 12A to 12B are second views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the present invention is formed by dividing each of the dummy patterns disposed between the sensor patterns into a plurality of sub dummy patterns having a predetermined shape, and a part of the pattern having the continuity of the dummy patterns. You can break the shape so that it has a shape that is different from the shape of the entire outline but has an even area.
  • FIG. 12A illustrates a dummy pattern 111 having a hexagonal shape in an undivided state.
  • the sub dummy patterns 111 having a hexagonal shape are divided to form sub dummy patterns having a shape different from that of the entire outline, but the area of each dummy pattern is the same.
  • the area of the dummy pattern 111 having a hexagonal shape as shown in FIG. 12A is 90, nine sub-dummy patterns 111a, 111b, 111c, 111d, 111e, and 111f having different shapes from the hexagonal shape as shown in FIG. , 111g, 111h, 111i) each has an area of 10.
  • the dummy pattern is formed to have a predetermined angle between the broken line and the mesh in the dummy pattern, the problem of mutual moiré may be suppressed.
  • the dummy pattern is partially broken and divided into a plurality of sub dummy patterns, edges of each of the plurality of divided sub dummy patterns are opened.
  • 13A to 13B are third views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the present invention is formed by dividing each of the dummy patterns disposed between the sensor patterns into a plurality of sub-dummy patterns having a predetermined shape, and a part of the pattern having the continuity of the dummy patterns. You can break it to break the shape so that it has a shape different from the shape of the entire outline and has a different area.
  • the lines in the virtual split pattern 130 and the meshes in the dummy pattern 111 are split in parallel to each other.
  • the lines in the virtual dividing pattern 130 and the meshes in the dummy pattern 111 are not parallel to each other.
  • the present invention may be divided using a virtual division pattern, but may be divided to have a predetermined angle between the lines in the virtual division pattern and the mesh in the dummy pattern or not parallel to each other. At least one sub dummy pattern among the divided sub dummy patterns is divided to have a shape different from the shape of the entire outline and a different area.
  • the dummy pattern is formed to have a predetermined angle between the line in which the dummy pattern is broken and the mesh in the dummy pattern, it is possible to suppress a problem in which mutual moiré may occur.
  • the dummy pattern is partially broken and divided into a plurality of sub dummy patterns, edges of each of the plurality of divided sub dummy patterns are opened.
  • the present invention describes a principle of dividing a dummy pattern using a virtual division pattern, and the virtual division pattern may be applied to all of FIGS. 11A to 12B.
  • 14A to 14B are fourth views illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the present invention is formed by dividing each of the dummy patterns disposed between the sensor patterns into a plurality of preset shapes, and cutting off a part of the pattern having the continuity of the dummy patterns to form a dummy pattern.
  • the mesh may be broken and divided regularly or irregularly within a predetermined range.
  • the length of the regular or irregularly formed sub-dummy patterns is preferably 0.3 mm to 1.5 mm.
  • the mesh in the dummy pattern 111 may be regularly broken and divided within a preset range, and the length of the broken lines may be the same.
  • the length Lx of the broken line in the transverse direction and the length Ly of the broken line in the longitudinal direction are the same.
  • the mesh in the dummy pattern 111 may be broken and divided irregularly within a preset range.
  • the broken lines may have different lengths.
  • the length of the broken lines may be formed differently within a preset range.
  • the lengths Lx1 and Lx2 or Ly1 and Ly2 of the lines determined in the horizontal direction are randomly determined to be different from each other.
  • the dummy pattern is partially broken and divided into a plurality of sub dummy patterns, edges of each of the plurality of divided sub dummy patterns are opened.
  • the dummy pattern is divided into a plurality of sub dummy patterns, and each divided sub dummy pattern is preferably formed of five or more unit meshes, which is more effective for improving visibility. Because it is.
  • a dummy pattern is disposed between the sensor patterns, but is disposed between the sensor pattern and the dummy pattern, and is spaced apart by a predetermined distance along a boundary between the sensor pattern and the dummy pattern, and the auxiliary dummy pattern is physically separated from the dummy pattern. Can be further formed.
  • the auxiliary dummy pattern may be divided and formed as necessary.
  • FIG. 15 is a fifth view illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the dummy pattern 111 is disposed between the sensor patterns 110, and the sensor pattern 110 and the dummy pattern 111 are disposed.
  • the auxiliary dummy pattern 112 may be further formed between the layers.
  • a plurality of auxiliary dummy patterns may be formed between the sensor pattern and the dummy pattern as necessary.
  • the dummy pattern and the dummy connector are not distinguished, but are described only as the dummy pattern, but the dummy pattern includes the dummy connector.
  • the auxiliary dummy pattern 112 may be formed along the interface between the sensor pattern 110 and the dummy pattern 111, and may be spaced apart from each of the sensor pattern 110 and the dummy pattern 111 by a predetermined distance. .
  • the auxiliary dummy pattern 112 may be formed to be spaced apart from the sensor pattern 110 on one side by a predetermined distance and also to a distance away from the dummy pattern 111 on the other side.
  • auxiliary dummy pattern 112 may be formed such that the separation distance from the sensor pattern 110 and the separation distance from the dummy pattern 111 are the same or different from each other.
  • the auxiliary dummy pattern 112 formed as described above is spaced apart by a predetermined distance along the outline of the sensor pattern 110, the auxiliary dummy pattern 112 has the same shape as the outline of the corresponding sensor pattern 110.
  • the auxiliary dummy pattern 112 may be formed in a band shape along an interface between the sensor pattern 110 and the dummy pattern 111. Since the auxiliary dummy pattern 112 is formed along the interface between the sensor pattern 110 and the dummy pattern 111, one of the auxiliary dummy patterns 112 may be formed on the same line in the same direction, for example, the same x coordinate in the x-axis direction or the same y coordinate in the y-axis direction. The auxiliary dummy pattern 112 may be formed.
  • auxiliary dummy pattern 112 positioned on the same line in the same direction may be formed as a pattern having a continuity, but is not necessarily limited thereto and may be divided as necessary. That is, a part of the pattern having continuity may be cut and divided into a plurality of auxiliary dummy patterns 112.
  • the dummy pattern 111 may be formed by regularly or irregularly disconnecting a mesh constituting the dummy pattern that is divided or formed into a plurality of preset shapes.
  • Edges of each of the dummy pattern 111 and the auxiliary dummy pattern 112 are opened to be formed.
  • part of the pattern broken at the boundary between each of the dummy pattern 111 and the auxiliary dummy pattern 112 is to be electrically insulated from each other between the dummy pattern 111 and the auxiliary dummy pattern 112 and is also broken.
  • the open edges of the patterns of each of the 111 and auxiliary dummy patterns 112 mean that the edges are not connected to the edge electrodes.
  • 16 is a diagram illustrating an arrangement form of an auxiliary dummy pattern according to an embodiment of the present invention.
  • the auxiliary dummy pattern is formed along an interface between the sensor pattern 110 and the dummy pattern 111, and may be formed to be spaced apart from the sensor pattern 110 on one side by a predetermined distance d1.
  • the distance d1 from the sensor pattern 110 may be 30 ⁇ m or less.
  • the auxiliary dummy pattern 112 may be formed to be spaced apart from the dummy pattern 111 on the other side by a predetermined distance d2, where the distance d2 from the dummy pattern 111 may be 20 ⁇ m or less.
  • the auxiliary dummy pattern 112 may be formed to have the same separation distance from the sensor pattern 110 and the separation distance from the dummy pattern 111 or to have different separation distances from each other.
  • the auxiliary dummy pattern 112 is formed in the form of a band between the sensor pattern 110 and the dummy pattern 111, the thickness w may be a constant size.
  • the thickness w may be 100 ⁇ m or less.
  • 17 is a sixth view illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the dummy pattern 111 is disposed between the sensor patterns 110, and the sensor pattern 110 and the dummy pattern 111 are disposed.
  • the auxiliary dummy pattern 112 may be further formed between the layers.
  • the dummy pattern 111a and the dummy connector 111b may be physically separated to be spaced apart by a predetermined distance.
  • the auxiliary dummy pattern 112 may be formed along the interface between the sensor pattern 110 and the dummy pattern 111, and may be spaced apart from each of the sensor pattern 110 and the dummy pattern 111 by a predetermined distance. .
  • the auxiliary dummy pattern 112 may be formed to be spaced apart from the sensor pattern 110 on one side by a predetermined distance and also to a distance away from the dummy pattern 111 on the other side.
  • auxiliary dummy pattern 112 may be formed such that the separation distance from the sensor pattern 110 and the separation distance from the dummy pattern 111 are the same or different from each other.
  • the auxiliary dummy pattern 112 formed as described above is spaced apart by a predetermined distance along the outline of the sensor pattern 110, the auxiliary dummy pattern 112 has the same shape as the outline of the corresponding sensor pattern 110.
  • the auxiliary dummy pattern 112 may be formed in a band shape along an interface between the sensor pattern 110 and the dummy pattern 111. Since the auxiliary dummy pattern 112 is formed along the interface between the sensor pattern 110 and the dummy pattern 111, one of the auxiliary dummy patterns 112 may be formed on the same line in the same direction, for example, the same x coordinate in the x-axis direction or the same y coordinate in the y-axis direction. An auxiliary dummy pattern of may be formed.
  • auxiliary dummy pattern 112 positioned on the same line in the same direction may be formed as a pattern having a continuity, but is not necessarily limited thereto and may be divided as necessary. That is, a part of the pattern having continuity may be cut and divided into a plurality of auxiliary dummy patterns 112.
  • the dummy pattern 111 may be formed by regularly or irregularly disconnecting a mesh constituting the dummy pattern that is divided or formed into a plurality of preset shapes.
  • Edges of each of the dummy pattern 111a and the auxiliary dummy pattern 112 are opened to be formed.
  • the edge of the dummy connection portion 111b separated from the dummy pattern 111a is also opened.
  • part of the pattern broken at the boundary between each of the dummy pattern 111 and the auxiliary dummy pattern 112 is to be electrically insulated from each other between the dummy pattern 111 and the auxiliary dummy pattern 112 and is also broken.
  • the open edges of the patterns of each of the 111 and auxiliary dummy patterns 112 mean that the edges are not connected to the edge electrodes.
  • 18A to 18B are seventh diagrams illustrating the shape of a dummy pattern according to an embodiment of the present invention.
  • the dummy pattern 111 is disposed between the sensor patterns 110, and the sensor pattern 110 and the dummy pattern 111 are disposed.
  • the auxiliary dummy pattern 112 may be further formed between the layers.
  • an interval between the sensor patterns 110 may be smaller than an interval between the sensor patterns described with reference to FIGS. 15 and 17.
  • the auxiliary dummy pattern 112 may be formed along the interface between the sensor pattern 110 and the dummy pattern 111, and may be spaced apart from each of the sensor pattern 110 and the dummy pattern 111 by a predetermined distance. .
  • the auxiliary dummy pattern 112 may be formed to be spaced apart from the sensor pattern 110 on one side by a predetermined distance and also to a distance away from the dummy pattern 111 on the other side.
  • auxiliary dummy pattern 112 may be formed such that the separation distance from the sensor pattern 110 and the separation distance from the dummy pattern 111 are the same or different from each other.
  • the auxiliary dummy pattern 112 formed as described above is spaced apart by a predetermined distance along the outline of the sensor pattern 110, the auxiliary dummy pattern 112 has the same shape as the outline of the corresponding sensor pattern 110.
  • the auxiliary dummy pattern 112 may be formed in a band shape along an interface between the sensor pattern 110 and the dummy pattern 111. Since the auxiliary dummy pattern 112 is formed along the interface between the sensor pattern 110 and the dummy pattern 111, one of the auxiliary dummy patterns 112 may be formed on the same line in the same direction, for example, the same x coordinate in the x-axis direction or the same y coordinate in the y-axis direction. The auxiliary dummy pattern 112 may be formed.
  • auxiliary dummy pattern 112 positioned on the same line in the same direction may be formed as a pattern having a continuity, but is not necessarily limited thereto and may be divided as necessary. That is, a part of the pattern having continuity may be cut and divided into a plurality of auxiliary dummy patterns 112.
  • the dummy pattern 111 may be formed by regularly or irregularly disconnecting a mesh constituting the dummy pattern that is divided or formed into a plurality of preset shapes.
  • Edges of each of the dummy pattern 111 and the auxiliary dummy pattern 112 are opened to be formed.
  • part of the pattern broken at the boundary between each of the dummy pattern 111 and the auxiliary dummy pattern 112 is to be electrically insulated from each other between the dummy pattern 111 and the auxiliary dummy pattern 112 and is also broken.
  • the open edges of the patterns of each of the 111 and auxiliary dummy patterns 112 mean that the edges are not connected to the edge electrodes.
  • the dummy pattern 111 is disposed between the sensor patterns 110, and the sensor pattern 110 and the dummy pattern 111 are disposed.
  • the auxiliary dummy pattern 112 may be further formed between the layers.
  • an interval between the sensor patterns 110 may be smaller than an interval between the sensor patterns described with reference to FIGS. 15 and 17.
  • the auxiliary dummy pattern 112 may be formed along the interface between the sensor pattern 110 and the dummy pattern 111, and may be spaced apart from each of the sensor pattern 110 and the dummy pattern 111 by a predetermined distance. .
  • the auxiliary dummy pattern 112 may be formed to be spaced apart from the sensor pattern 110 on one side by a predetermined distance and also to a distance away from the dummy pattern 111 on the other side.
  • auxiliary dummy pattern 112 may be formed such that the separation distance from the sensor pattern 110 and the separation distance from the dummy pattern 111 are the same or different from each other.
  • the auxiliary dummy pattern 112 formed as described above is spaced apart by a predetermined distance along the outline of the dummy pattern 110, the auxiliary dummy pattern 112 has the same shape as the outline of the dummy pattern 110.
  • the auxiliary dummy pattern 112 may be formed in a band shape along the outline of the dummy pattern 111. Since the auxiliary dummy pattern 112 is formed along the outline of the dummy pattern 111, one auxiliary dummy pattern 112 may be formed to surround the outer dummy pattern 111. That is, each auxiliary dummy pattern 112 is physically separated from each other.
  • auxiliary dummy pattern 112 surrounding the dummy pattern may be formed as a continuity pattern, but is not necessarily limited thereto, and may be divided as necessary. That is, a part of the pattern having continuity may be cut and divided into a plurality of auxiliary dummy patterns 112.
  • the dummy pattern 111 may be formed by regularly or irregularly disconnecting a mesh constituting the dummy pattern that is divided or formed into a plurality of preset shapes.
  • Edges of each of the dummy pattern 111 and the auxiliary dummy pattern 112 are opened to be formed.
  • part of the pattern broken at the boundary between each of the dummy pattern 111 and the auxiliary dummy pattern 112 is to be electrically insulated from each other between the dummy pattern 111 and the auxiliary dummy pattern 112 and is also broken.
  • the open edges of the patterns of each of the 111 and auxiliary dummy patterns 112 mean that the edges are not connected to the edge electrodes.
  • the present invention includes a first sensor unit including first sensor patterns for detecting an X coordinate and a second sensor unit including second sensor patterns for detecting a Y coordinate such that the first sensor unit and the second sensor unit are configured.
  • first sensor patterns for detecting the X coordinate and the second sensor patterns for detecting the Y coordinate are single. It is also applicable to touch screen sensors configured to be arranged together on the surface of the substrate.
  • both the first sensor pattern and the second sensor pattern are formed on the surface of a single substrate
  • the present invention is not limited thereto, and the first sensor pattern and the second sensor pattern may be formed in various forms on the same substrate. It is obvious that it can be formed.
  • the touch screen sensor configured to arrange the first sensor patterns formed in the first direction and the second sensor patterns formed in the second direction on both sides of the surface of the single substrate may also have various types of dummy according to an embodiment of the present invention.
  • the pattern can be applied.
  • FIG. 19 is a diagram illustrating a configuration of a touch screen sensor according to another embodiment of the present invention.
  • the touch screen sensor according to the present invention may include one sensor unit 100, wherein the sensor unit 100 includes first sensor patterns 110 for detecting an X coordinate. ) And second sensor patterns 210 for sensing the Y coordinate may be arranged on one substrate.
  • the first sensor patterns may be referred to as sensing electrodes for sensing a sensing signal
  • the second sensor patterns may be assumed to be driving electrodes for sensing a driving signal by being electrically separated from the first sensor patterns.
  • Each of the plurality of sensing electrodes may be disposed in a shape of a sensing bar extending along a first direction, and each of the plurality of driving electrodes may be disposed in a second direction crossing the first direction.
  • the first direction indicates the horizontal direction or the X-axis direction
  • the second direction indicates the vertical direction or the Y-axis direction.
  • the second sensor patterns 210 for detecting the Y coordinate formed in the horizontal direction are spaced apart at regular intervals in the vertical direction, and adjacently adjacent to the second sensor patterns 210 to detect the X coordinate.
  • the plurality of first sensor patterns 110 may be spaced apart at regular intervals in the horizontal direction.
  • the plurality of first sensor patterns 110 are arranged side by side in each of the second sensor patterns 210.
  • a sensing region including one sensing electrode and a plurality of driving electrodes disposed as described above may be formed.
  • the sensing region according to the present invention is not limited to an inclusion relationship between one sensing electrode and a plurality of driving electrodes, but may be implemented in various forms.
  • the wiring electrode 400 may be connected to each of the first sensor patterns 110 and the second sensor patterns 210 disposed as described above.
  • the wiring electrode 400 serves to transfer a touch signal sensed from the first sensor patterns 110 and the second sensor patterns 210 to an external driving circuit (not shown).
  • a dummy pattern 111 may be formed between the first sensor patterns 110 or the second sensor patterns 210 and the wiring electrode.
  • a space may be formed between the wiring electrodes, and a dummy pattern may be formed in the space.
  • the size of the dummy pattern may vary depending on the size of the space.
  • the dummy pattern 111 may be formed in a pattern having a shape similar to that of the first sensor patterns 110 or the second sensor patterns 210 or a pattern having the same shape.
  • the plurality of sensing electrodes and the plurality of sensing electrodes may be disposed on the same surface of the substrate to form a single layer structure.
  • a dummy pattern is formed in an empty space to suppress a phenomenon in which the pattern is visually recognized due to an uneven pattern.
  • FIG. 20 is an enlarged view of a shape of a sensor pattern, a dummy pattern, and a wiring electrode illustrated in FIG. 19.
  • the sensor patterns 110 and 210, the dummy pattern 111, and the wiring electrode 400 are formed in one sensor unit and have a predetermined direction. Can be formed.
  • the pattern in a predetermined direction is a pattern of a mesh shape in which lines formed in a constant direction cross each other in a continuous pattern.
  • Edges of each of the sensor patterns 110 and 210, the dummy pattern 111, and the wiring electrode 400 may be formed to be open.
  • the broken part of the pattern at the boundary of each of the sensor patterns 110 and 210, the dummy pattern 111, and the wiring electrode 400 is to be electrically insulated from each other, and the broken part is formed by opening the edge of the pattern. Means that it is not connected to the edge electrode.
  • the sensor patterns 110 and 210, the dummy pattern 111, and the wiring electrode 400 may be formed using an embossed shape or an intaglio shape.
  • the sensor patterns 110 and 210 and the wiring electrode 400 may be electrically connected to each other.
  • the dummy pattern 111 is formed of an active electrode and is formed of an electrically insulative electrode.
  • FIG. 21 is an enlarged view illustrating an arrangement position and a shape of the dummy pattern illustrated in FIG. 19.
  • a dummy pattern 111 is formed between the sensor patterns 110 and 210 and the wiring electrode 400, but the dummy pattern 111 is a sensor pattern.
  • the size may vary depending on the distance between the 110 and 210 and the wiring electrode 400.
  • the width of the dummy pattern 111a2 may be wider than that of the dummy pattern 111a1. As the gap between the sensor patterns 110 and 210 and the wiring electrode 400 increases, the width of the dummy pattern 111 may be increased.
  • the dummy pattern may be divided into two or more sub dummy patterns. Each of the dummy patterns may be divided into different numbers of sub dummy patterns. In particular, the number of sub dummy patterns may vary depending on the size of the dummy pattern.
  • the dummy pattern 111 according to the present invention is formed between the sensor patterns 110 and 210 and the wiring electrode 400 as an example.
  • the present invention is not limited thereto, and the dummy pattern 111 according to the present invention is not limited thereto. It can be formed at various positions, such as between electrodes.
  • the dummy pattern 111 formed as described above is formed by dividing into a plurality of sub-dummy patterns having a predetermined shape.
  • a part of the pattern having the continuity of the dummy pattern may be cut and divided to have the same shape as the shape of the entire outline and an equal area.
  • the broken line of the dummy pattern and the mesh in the dummy pattern may be formed in parallel, or as shown in FIG. 11B, the line of the dummy pattern and the broken line and the mesh in the dummy pattern may not be parallel, but may have a predetermined angle.
  • a part of the pattern having the continuity of the dummy pattern may be cut off to have a shape different from the shape of the entire outline, and may be divided to have an even area.
  • a part of the pattern having the continuity of the dummy pattern may be cut and divided to have a shape different from the shape of the entire outline and a different area.
  • the lines in the virtual divided pattern and the mesh in the dummy pattern may be divided in parallel to each other, or as shown in FIG. 13B, the lines in the virtual divided pattern and the mesh in the dummy pattern may not be parallel to each other.
  • a part of the pattern having the continuity of the dummy pattern may be cut to break and divide the mesh in the dummy pattern regularly or regularly in a predetermined range.
  • the mesh in the dummy pattern is regularly broken within the preset range as shown in FIG. 14A, and the lengths of the broken lines are the same, or as shown in FIG. 14B, the mesh in the dummy pattern is irregularly determined within the preset range and the broken
  • the lengths of the lines may be formed differently.
  • a dummy pattern may be disposed between the sensor patterns, and an auxiliary dummy pattern may be additionally formed between the sensor pattern and the dummy pattern.
  • an auxiliary dummy pattern is additionally formed between the sensor pattern and the dummy pattern, but the dummy pattern and the dummy connection part are physically separated to be spaced apart by a predetermined distance. Can be formed.
  • an auxiliary dummy pattern is additionally formed between the sensor pattern and the dummy pattern. It may be formed to be narrower than the gap between the sensor patterns described in FIG. 17 or may surround the outer edge of the dummy pattern as shown in FIG. 18B.
  • each of the dummy patterns and the auxiliary dummy patterns may be divided into a plurality of dummy patterns.
  • the auxiliary dummy pattern may be formed not only between the sensor pattern and the dummy pattern but also between the sensor pattern and the sensor pattern or between the wiring electrode and the wiring electrode according to the shape or position of the dummy pattern.

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  • General Engineering & Computer Science (AREA)
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Abstract

La présente invention concerne une structure d'une touche d'effleurement utilisant un motif factice pour un écran tactile de type capacitif. La structure d'une touche à effleurement utilisant un motif factice pour un écran tactile de type capacitif selon la présente invention comprend : une première partie de capteur ayant des premiers motifs de capteur formés dans une première direction et des premiers motifs factices disposés entre les premiers motifs de capteur ; et une seconde partie de capteur ayant des seconds motifs de capteur formés dans une seconde direction, coupée par la première direction et des seconds motifs factices disposés entre les seconds motifs de capteurs, la seconde partie de capteur chevauchant la première partie de capteur, chacun des premiers motifs factices et des seconds motifs factices comprenant au moins deux motifs factices secondaires qui sont physiquement séparés.
PCT/KR2014/001648 2013-02-27 2014-02-27 Structure d'une touche d'effleurement utilisant un motif factice pour un écran tactile de type capacitif WO2014133347A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015560101A JP6674257B2 (ja) 2013-02-27 2014-02-27 静電容量方式タッチスクリーンのためのダミーパターンを使用するタッチパッドの構造
CN201480010504.XA CN105009050B (zh) 2013-02-27 2014-02-27 采用虚拟图案的静电电容式触控屏幕之触摸板结构

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2013-0021292 2013-02-27
KR20130021292 2013-02-27
KR10-2013-0046727 2013-04-26
KR20130046727 2013-04-26
KR10-2013-0047640 2013-04-29
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