WO2015037853A1 - Touch panel - Google Patents

Touch panel Download PDF

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Publication number
WO2015037853A1
WO2015037853A1 PCT/KR2014/008172 KR2014008172W WO2015037853A1 WO 2015037853 A1 WO2015037853 A1 WO 2015037853A1 KR 2014008172 W KR2014008172 W KR 2014008172W WO 2015037853 A1 WO2015037853 A1 WO 2015037853A1
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WO
WIPO (PCT)
Prior art keywords
left
sensing
drive
right
electrodes
Prior art date
Application number
PCT/KR2014/008172
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French (fr)
Korean (ko)
Inventor
한상현
Original Assignee
주식회사 리딩유아이
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Publication date
Priority to KR10-2013-0111370 priority Critical
Priority to KR20130111370A priority patent/KR20150031767A/en
Application filed by 주식회사 리딩유아이 filed Critical 주식회사 리딩유아이
Publication of WO2015037853A1 publication Critical patent/WO2015037853A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Abstract

A touch panel according to the present invention comprises sensing blocks. Each sensing block comprises: a left operational line comprising left-operational electrodes; a right operational line comprising right operational electrodes; and a left sensing line comprising left-sensing electrodes. A single left operational electrode orthogonally projected on the left-sensing line covers two or more left sensing electrodes, wherein the two or more left sensing electrodes are electrically separated. As two or more sensing electrodes correspond to a single operational electrode, the number of connecting wires necessary to connect the operational electrode can be reduced.

Description

Touch panel

The present invention relates to a touch panel, and more particularly, to a touch panel having a single layer structure.

As the types of electronic devices encountered in daily life are gradually diversified and the functions of each electronic device are advanced and complicated, there is a need for a user interface that can be easily learned and intuitively operated by a user. Touch sensing devices are attracting attention as input devices capable of meeting these needs, and are already widely applied to various electronic devices.

A touch sensing device that recognizes a user's screen touch or gesture as input information is classified into a resistive type, a capacitive type, an ultrasonic type, and an infrared type according to an operation method. The capacitive method has attracted much attention because of its easy multi-touch input.

In such a capacitive touch panel, the structure of the touch panel for more accurately detecting a change in capacitance is important. The touch panel may have a two-layer structure, wherein the touch sensor may include a plurality of drive electrode traces (eg, intersecting a plurality of sensing electrode traces (eg, traces extending in the X-axis direction). Drive and sensing electrode traces are separated by a dielectric material such as PET, Glass, or the like.

However, a touch panel including drive and sensing electrode traces formed on the lower and upper layers of the two-layer structure, respectively, may be expensive to manufacture and may be thick. This is due to the process and structure of joining the electrode layers of the two-layer structure.

Therefore, a touch panel having coplanar single layer touch sensors manufactured on a single side of a single layer of the substrate of the touch panel has been proposed.

On the other hand, if there are many wires in a single layer touch sensor, a dead zone that operates as a touch-insensitive area increases, making it difficult to find linearity and accuracy in touch. In the case of a single layer touch panel, driving electrodes arranged in a column direction and sensing electrodes are arranged adjacent to the driving electrodes.

As the number of sensing electrodes increases, the number of connection wires connected to the sensing electrodes to an external touch recognition chip also increases. When the number of the connection wires increases, the area where the connection wires are formed between the sensing electrodes arranged in the row direction and the driving electrode adjacent to the sensing electrodes increases, thereby increasing the dead zone. In addition, as the number of connection wires increases, the number of pads of the touch recognition chip also increases.

Accordingly, the technical problem of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a touch panel having a single layer structure.

In order to realize the above object of the present invention, the touch panel includes a plurality of sensing blocks extending in a column direction and arranged in a row direction. Each of the sensing blocks includes a left driving line, a right driving line, and a left sensing line. The left-drive line includes a plurality of left-drive electrodes and is disposed at one side. The right-drive line includes a plurality of right-drive electrodes and is disposed on the other side. The left-sensing line includes a plurality of left-sensing electrodes and is disposed between the left-drive line and the right-drive line. One left-drive electrode that is orthogonal projection to the left-sensing line covers two or more left-sensing electrodes, and each of the two or more left-sensing electrodes is electrically separated.

In an embodiment, the size of the left-drive electrode and the size of the right-drive electrode are the same, and each of the sensing blocks comprises: a plurality of left-drive connection wires connected to each of the left-drive electrodes; The apparatus may further include a plurality of right-drive connection wires connected to each of the right-drive electrodes, and the left-drive connection wires and the right-drive connection wires may be mirror symmetric with each other.

In one embodiment, each of the left-drive electrodes includes a main body portion and a plurality of branches branched from the main body portion, and each of the left-sensing electrodes each of the plurality of branches branched from the main body portion and the main body portion. And portions, wherein the branch portions of the left-drive electrode and the branch portions of the left-sensing electrode may be arranged to engage with each other when viewed in a plan view.

In one embodiment, the left-sensing electrodes corresponding to the left-drive electrodes adjacent to each other in the sensing block may be electrically connected.

In one embodiment, each of the sensing blocks further comprises a right-sensing line including a plurality of right-sensing electrodes and arranged in parallel with the left-sensing line, wherein the pair of adjacent right-sensing electrodes are adjacent to each other. The paired right-sensing electrodes connected to each other may be alternately connected to each other.

In one embodiment, the connection structure between the left-sensing electrodes and the connection structure between the right-sensing electrodes may be the same.

In one embodiment, the connection structure between the left-sensing electrodes and the connection structure between the right-sensing electrodes may be mirror symmetric with each other.

In one embodiment, each of the right-side driving electrodes includes a main body portion and a plurality of branching portions branched from the main body portion, and each of the right-sensing electrodes includes a main body portion and a plurality of branches branched from the main body portion. It includes a portion, and the branch of the right-drive electrode and the branch of the right-sensing electrode may be arranged to engage with each other when viewed on a plane.

In one embodiment, the right-sensing electrodes corresponding to the right-drive electrodes adjacent to each other in the sensing block may be electrically connected.

In one embodiment, the size of each of the left-drive electrodes is the same, the size of each of the right-drive electrodes is the same, the size of the left-drive electrode and the size of the right-drive electrode The driving voltage is sequentially applied to each of the left-drive electrodes, and the driving voltage is sequentially applied to each of the right-drive electrodes, and the left-drive electrode and the right-drive electrode are disposed in the same row. The same driving voltage can be applied at the same time.

In one embodiment, the sizes of the left-drive electrodes corresponding to the first row and the last row of the left-drive electrodes are the same, and the size of the left-drive electrodes corresponding to the second row is the left corresponding to the first row. It may be twice the size of the driving electrode.

In one embodiment, the left-drive electrode and the right-drive electrode may be alternately arranged.

In one embodiment, a driving voltage may be sequentially applied to the left-drive electrodes and the right-drive electrodes arranged alternately.

In one embodiment, the sensing block disposed on the left side of the touch panel and the sensing block disposed on the right side of the touch panel may be connected to different driving channels.

In one embodiment, the two or more left-sensing electrodes may be connected to different sensing channels.

According to the touch panel, since two or more sensing electrodes correspond to one driving electrode, the number of connection wirings required to connect the driving electrodes can be reduced. In addition, since the plurality of sensing electrodes correspond to one driving electrode, the time required to scan the entire touch panel can be reduced. In addition, since driving lines are disposed on both sides of the sensing line, boundary conditions of the touch panel may be maintained uniformly. Therefore, the sensing efficiency of the touch panel may also be improved.

1 is a plan view illustrating a touch panel according to an exemplary embodiment of the present invention.

FIG. 2 is a waveform diagram illustrating driving of the touch panel shown in FIG. 1.

FIG. 3 is a table for explaining mapping of sensing signals detected in the touch panel illustrated in FIG. 1 to a memory.

4 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

5 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

6 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

FIG. 7 is a plan view illustrating an example of a sensing block shown in FIG. 6.

8A and 8B are plan views illustrating a touch panel according to another exemplary embodiment of the present invention.

9 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

10 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

11 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

12 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, it will be described in detail the present invention. As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the drawings, similar reference numerals are used for similar elements. In the accompanying drawings, the dimensions of the structures are shown in an enlarged scale than actual for clarity of the invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Also, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, the description of left or right means to look at the viewpoint of an observer who observes the drawings.

1 is a plan view illustrating a touch panel according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the touch panel 100 according to an embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 110, a right-drive line 120, a left-sensing line 130, a plurality of left-drive connection wires 140 and a plurality of right-drive. Connection wires 150. The left-drive line 110, the right-drive line 120, the left-sensing line 130, the left-drive connection wires 140 and the right-drive connection wires 150 are the same. It is formed on a plane.

The left-drive line 110 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is eight. In the present embodiment, the size of each of the left-drive electrodes is the same.

The right driving line 120 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is eight. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the size of each of the right-drive electrodes and the size of each of the left-drive electrodes are the same. In addition, an area in which orthogonal projection of each of the right-drive electrodes is orthogonal to the left-drive line is disposed to correspond to the left-drive electrode. That is, each of the right-drive electrodes and each of the left-drive electrodes faces each other.

The left-sensing line 130 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-sensing line 130 and the right-sensing line 102. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs.

Specifically, the first left-sensing electrode is connected to the fourth left-sensing electrode. The second left-sensing electrode and the third left-sensing electrode are connected to each other, and are connected to the sixth left-sensing electrode. In addition, the fourth left-sensing electrode and the fifth left-sensing electrode are connected to each other, and are connected to the eighth left-sensing electrode. In addition, the sixth left-sensing electrode and the seventh left-sensing electrode are connected to each other, and are connected to the tenth left-sensing electrode. In addition, the eighth left-sensing electrode and the ninth left-sensing electrode are connected to each other, and are connected to the twelfth left-sensing electrode. In addition, the tenth left-sensing electrode and the eleventh left-sensing electrode are connected to each other, and are connected to the fourteenth left-sensing electrode. Further, the twelfth left-sensing electrode and the thirteenth left-sensing electrode are connected to each other, and are connected to the sixteenth left-sensing electrode. In addition, the fourteenth left-sensing electrode and the fifteenth left-sensing electrode are connected to each other.

The first left-sensing electrode of the first sensing block SB1 is connected to the first sensing channel RX1 through an external wiring, and the second left-sensing electrode is connected to the second sensing channel RX2 through an external wiring. . The first left-sensing electrode of the second sensing block SB2 is connected to the third sensing channel RX3 through an external wiring and the second left-sensing electrode is connected to the fourth sensing channel RX4 through an external wiring. The first left-sensing electrode of the third sensing block SB3 is connected to the fifth sensing channel RX5 through an external wiring, and the second left-sensing electrode is connected to the sixth sensing channel RX6 through an external wiring. .

The left-drive connection wires 140 are connected to each of the left-drive electrodes, and the right-drive connection wires 150 are connected to each of the right-drive electrodes.

In this embodiment, the last right-drive electrode of the right-drive line 120 and the last left-drive electrode of the left-drive line 110 provided in the sensing blocks adjacent to each other share a connection wiring.

That is, the last right-drive electrode of the right-drive line 120 of the first sensing block SB1 and the last left-drive electrode of the left-drive line 110 of the second sensing block SB2 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the first sensing block SB1 and the second sensing block SB2.

Also, the last right-drive electrode of the right-drive line 120 of the second sensing block SB2 and the last left-drive electrode of the left-drive line 110 of the third sensing block SB3 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the second sensing block SB2 and the third sensing block SB3.

In this embodiment, the numbers given to the electrodes are written to explain the order of transmission and reception of the voltage. For example, the numbers written on the left-drive electrodes and the right-drive electrodes mean the order in which the driving signals (or driving voltages) are applied, and the numbers written on the left-sensing electrodes indicate the sensing signals (or sensing voltages). It means the order of detection.

In the present embodiment, the line widths of the connection lines are shown to be uniform, but the line widths of the connection lines may increase gradually or downwardly.

In addition, there is a region where left-drive connection wiring and right-drive connection wiring are not formed toward the lower portion of the column direction. Therefore, the width of the left-drive electrode and the width of the right-drive electrode may increase gradually toward the bottom.

In addition, a dummy pattern may be disposed in an area between the left-drive electrode and the left-drive connection wire and in an area between the right-drive electrode and the right-drive connection wire.

As described above, according to the present embodiment, each of the sensing blocks extending in the column direction and arranged in the row direction is provided on the sensing line, the left-driving line disposed on the left side of the sensing line, and the right side of the sensing line. And configured to include arranged right-drive lines, wherein one left-drive electrode orthogonal to the left-sensing line covers two or more left-sensing electrodes, each of the two or more left-sensing electrodes being electrically Separated by.

Therefore, since two or more sensing electrodes correspond to one driving electrode, the number of connection wirings required to connect the driving electrodes can be reduced. In addition, since the plurality of sensing electrodes correspond to one driving electrode, the time required to scan the entire touch panel can be reduced.

In addition, since driving lines are disposed on both sides of one sensing line, boundary conditions may be uniformed compared to a touch panel in which driving lines are disposed only on one side of the sensing line. Therefore, the sensing efficiency of the touch panel may also be improved.

In addition, two or more left-sensing electrodes electrically separated between the left-drive electrode of the left-drive line and the right-drive electrode of the right-drive line are disposed so that one sensing electrode corresponds to one drive electrode. Compared to the touch panel in which the electrodes are disposed, the connection boat can be reduced. Accordingly, as the number of wirings increases, the dead zone operating as the touch non-sensitized area can be reduced, thereby increasing the effective touch area. In addition, since the number of connection wirings is reduced, the number of pads of the touch recognition chip can be reduced.

FIG. 2 is a waveform diagram illustrating driving of the touch panel shown in FIG. 1. FIG. 3 is a table for explaining mapping of sensing signals detected in the touch panel illustrated in FIG. 1 to a memory.

1 to 3, the drive signals from the external capacitance sensing circuit are left-drive provided in each of the left-drive lines through the first to eighth drive channels TX1, TX2, ㅇ, and TX8. It is sequentially applied to the right-drive electrodes provided in each of the electrodes and the right-drive lines.

In the left-sensing electrodes provided in each of the left-sensing lines, a driving signal applied to the left-drive electrodes or the right-drive electrodes is induced and detected, and the detected signals are defined as sensing signals, and thus, the first through the first to the first sensing electrodes. The six sensing channels RX1, RX2, o, RX5, and RX6 are applied to an external capacitance sensing circuit. The capacitive sensing circuit calculates touch coordinates based on the sensing signals. For example, the sensing signals may be mapped to the memory shown in FIG. 3 and used for touch coordinate recognition.

When a touch is generated at a specific position, the voltage level of the sensing signal detected by the left-sensing electrode corresponding to the position may be relatively low. Therefore, the position corresponding to the left-sensing electrode corresponding to the relatively low voltage level can be recognized as the touch coordinate.

4 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 4, the touch panel 200 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 210, a right-drive line 220, a left-sensing line 230, a right-sensing line 240, and a plurality of left-drive connection wires ( 250 and a plurality of right-drive connection wires 260.

The left-drive line 210 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is eight. In the present embodiment, the size of each of the left-drive electrodes is the same.

The right driving line 220 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is eight. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the size of each of the right-drive electrodes and the size of each of the left-drive electrodes are the same. In addition, an area in which each of the right-drive electrodes is orthogonal to the left-drive line is disposed to correspond to the left-drive electrode. That is, each of the right-drive electrodes and each of the left-drive electrodes faces each other.

The left-sensing line 230 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 210 and the right-sensing line 240. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs.

Specifically, the first left-sensing electrode is connected to the fourth left-sensing electrode. The second left-sensing electrode and the third left-sensing electrode are connected to each other, and are connected to the sixth left-sensing electrode. In addition, the fourth left-sensing electrode and the fifth left-sensing electrode are connected to each other, and are connected to the eighth left-sensing electrode. In addition, the sixth left-sensing electrode and the seventh left-sensing electrode are connected to each other, and are connected to the tenth left-sensing electrode. In addition, the eighth left-sensing electrode and the ninth left-sensing electrode are connected to each other, and are connected to the twelfth left-sensing electrode. In addition, the tenth left-sensing electrode and the eleventh left-sensing electrode are connected to each other, and are connected to the fourteenth left-sensing electrode. Further, the twelfth left-sensing electrode and the thirteenth left-sensing electrode are connected to each other, and are connected to the sixteenth left-sensing electrode. In addition, the fourteenth left-sensing electrode and the fifteenth left-sensing electrode are connected to each other.

The first left-sensing electrode of the first sensing block SB1 is connected to the first sensing channel RX1 through an external wiring, and the second left-sensing electrode is connected to the second sensing channel RX2 through an external wiring. . The first left-sensing electrode of the second sensing block SB2 is connected to the third sensing channel RX3 through an external wiring and the second left-sensing electrode is connected to the fourth sensing channel RX4 through an external wiring. The first left-sensing electrode of the third sensing block SB3 is connected to the fifth sensing channel RX5 through an external wiring, and the second left-sensing electrode is connected to the sixth sensing channel RX6 through an external wiring. .

The right-sensing line 240 includes a plurality of right-sensing electrodes arranged in a column direction, and is disposed between the left-sensing line 230 and the right-drive line 220. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs.

Specifically, the first right-sensing electrode is connected to the fourth right-sensing electrode. The second right-sensing electrode and the third right-sensing electrode are connected to each other, and are connected to the sixth right-sensing electrode. In addition, the fourth right-sensing electrode and the fifth right-sensing electrode are connected to each other, and are connected to the eighth right-sensing electrode. In addition, the sixth right-sensing electrode and the seventh right-sensing electrode are connected to each other and connected to the tenth right-sensing electrode. In addition, the eighth right-sensing electrode and the ninth right-sensing electrode are connected to each other and connected to the twelfth right-sensing electrode. In addition, the tenth right-sensing electrode and the eleventh right-sensing electrode are connected to each other, and are connected to the fourteenth right-sensing electrode. In addition, the twelfth right-sensing electrode and the thirteenth right-sensing electrode are connected to each other, and are connected to the sixteenth right-sensing electrode. In addition, the fourteenth right-sensing electrode and the fifteenth right-sensing electrode are connected to each other.

The first right sensing electrode of the first sensing block SB1 is connected to the third sensing channel RX3 through an external wiring, and the second right sensing electrode is connected to the fourth sensing channel RX4 through an external wiring. . The first right sensing electrode of the second sensing block SB2 is connected to the fifth sensing channel RX5 through an external wiring, and the second right sensing electrode is connected to the sixth sensing channel RX6 through an external wiring. . The first left-sensing electrode of the third sensing block SB3 is connected to the seventh sensing channel RX7 through an external wiring, and the second left-sensing electrode is connected to the eighth sensing channel RX8 through an external wiring. .

The left-drive connection wires 250 are connected to each of the left-drive electrodes, and the right-drive connection wires 260 are connected to each of the right-drive electrodes.

In this embodiment, the last right-drive electrode of the right-drive line 220 and the last left-drive electrode of the left-drive line 210 provided in the sensing blocks adjacent to each other share a connection wiring.

That is, the last right-drive electrode of the right-drive line 220 of the first sensing block SB1 and the last left-drive electrode of the left-drive line 210 of the second sensing block SB2 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the first sensing block SB1 and the second sensing block SB2.

In addition, the last right-drive electrode of the right-drive line 220 of the second sensing block SB2 and the last left-drive electrode of the left-drive line 210 of the third sensing block SB3 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the second sensing block SB2 and the third sensing block SB3.

As described above, according to the present embodiment, each of the sensing blocks extending in the column direction and arranged in the row direction is left-sensing line, right-sensing line, and left-side disposed on the left side of the left-sensing line. And a right-drive line disposed on a right side of the drive line and the right-sensing line, wherein one left-drive electrode projected on the left-sensing line covers two or more left-sensing electrodes, and Each of the two or more left-sensing electrodes is electrically separated. In addition, one right-drive electrode that is orthogonal to the right-sensing line covers two or more right-sensing electrodes, and each of the two or more right-sensing electrodes is electrically separated. Therefore, the boundary condition can be uniformed compared to the touch panel in which the driving line is disposed only on one side of the sensing line. Therefore, the sensing efficiency of the touch panel may also be improved.

In addition, two or more left-sensing electrodes and two or more right-sensing electrodes that are electrically separated between the left-drive electrode of the left-drive line and the right-drive electrode of the right-drive line adjacent to each other are disposed. Compared to the touch panel in which one sensing electrode is disposed corresponding to the driving electrode of the connection electrode, the connection times can be reduced. Accordingly, as the number of wirings increases, the dead zone operating as the touch non-sensitized area can be reduced, thereby increasing the effective touch area. In addition, since the number of connection wirings is reduced, the number of pads of the touch recognition chip can be reduced.

5 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 5, the touch panel 300 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 310, a right-drive line 320, a left-sensing line 330, a right-sensing line 340, and a plurality of left-drive connection wires ( 350 and a plurality of right-drive connection wires 360.

The left-drive line 310 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is eight. In the present embodiment, the size of each of the left-drive electrodes is the same.

The right driving line 320 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is eight. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the size of each of the right-drive electrodes and the size of each of the left-drive electrodes are the same. In addition, an area in which each of the right-drive electrodes is orthogonal to the left-drive line is disposed to correspond to the left-drive electrode. That is, each of the right-drive electrodes and each of the left-drive electrodes faces each other.

The left-sensing line 330 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 310 and the right-sensing line 340. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs. Since the connection structure between the left-sensing electrodes is the same as that of the left-sensing electrodes shown in FIG. 4, a detailed description thereof will be omitted.

The right sensing line 340 includes a plurality of right sensing electrodes arranged in a column direction, and is disposed between the left sensing line 330 and the right driving line 320. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs. In this embodiment, the connection structure between the right-sensing electrodes is the same except that the connection structure between the left-sensing electrodes is mirror symmetric, and thus the detailed description thereof is omitted.

The left-drive connection wires 350 are connected to each of the left-drive electrodes, and the right-drive connection wires 360 are connected to each of the right-drive electrodes.

In this embodiment, the last right-drive electrode of the right-drive line 320 and the last left-drive electrode of the left-drive line 310 provided in the sensing blocks adjacent to each other share a connection wiring.

That is, the last right-drive electrode of the right-drive line 320 of the first sensing block SB1 and the last left-drive electrode of the left-drive line 310 of the second sensing block SB2 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the first sensing block SB1 and the second sensing block SB2.

Further, the last right-drive electrode of the right-drive line 320 of the second sensing block SB2 and the last left-drive electrode of the left-drive line 310 of the third sensing block SB3 are one. Share connection wiring. Accordingly, 15 driving connection wirings are disposed between the second sensing block SB2 and the third sensing block SB3.

As described above, according to the present embodiment, since the driving line is disposed on the left and right sides of the sensing line disposed in the two column regions, the boundary condition is compared with the touch panel in which the driving line is disposed only on one side of the sensing line. Can be homogenized. Therefore, the sensing efficiency of the touch panel may also be improved.

6 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 6, the touch panel 400 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 410, a right-drive line 420, a left-sensing line 430, a right-sensing line 440, and a plurality of left-drive connection wires 440. 450 and a plurality of right-drive connection wires 460.

The left-drive line 410 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is five. In this embodiment, the size of the first left-drive electrode and the last left-drive electrode is the same as each other, and 1/2 of the size of the remaining left-drive electrodes.

The right driving line 420 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is four. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the right-drive electrodes are arranged such that the regions projected on the left-drive electrodes overlap each other. That is, the right-drive electrodes and the left-drive electrodes are zigzag arranged with each other.

The left-sensing line 430 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 410 and the right-sensing line 440. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. Thus, the first left-drive electrode and the last left-drive electrode cover two left-sensing electrodes arranged in the column direction, and the second left-drive electrode, the third left-drive electrode and the fourth left-drive electrode are in the column direction. It covers four left-sensing electrodes arranged as. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs. Since the connection structure between the left-sensing electrodes is the same as that of the left-sensing electrodes shown in FIG. 4, a detailed description thereof will be omitted.

The right sensing line 440 includes a plurality of right sensing electrodes arranged in a column direction and is disposed between the left sensing line 430 and the right driving line 420. In this embodiment, the number of the right-sensing electrodes is sixteen. In this embodiment, the size of each of the right-sensing electrodes is approximately half the size of the first left-drive electrode. Thus, each of the right-sensing electrodes covers four left-sensing electrodes arranged in a column direction. In this embodiment, the remaining right-sensing electrodes except for the first right-sensing electrode and the last right-sensing electrode are connected to each other in pairs. Since the connection structure between the right-sensing electrodes is the same as that of the left-sensing electrodes shown in FIG. 4, a detailed description thereof will be omitted.

Each of the left-drive connecting wires 450 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 450 is five.

Specifically, the left-drive connection wiring 450 connects the first left-drive electrode and the first drive channel TX1 to apply a drive signal applied from the first drive channel TX1 to the first left-drive electrode. do. In addition, the left-drive connecting line 450 connects the second left-drive electrode and the third drive channel TX3 to apply a drive signal applied from the third drive channel TX3 to the second left-drive electrode. . In addition, the left-drive connecting line 450 connects the third left-drive electrode and the fifth drive channel TX5 to apply a drive signal applied from the fifth drive channel TX5 to the third left-drive electrode. . In addition, the left-drive connecting line 450 connects the fourth left-drive electrode and the seventh drive channel TX7 to apply a drive signal applied from the seventh drive channel TX7 to the fourth left-drive electrode. . In addition, the left-drive connection wiring 450 connects the fifth left-drive electrode and the ninth drive channel TX9 to transmit the drive signal applied from the ninth drive channel TX9 to the fifth left-drive electrode. Is authorized.

Each of the right-drive connection wires 460 connects the right-drive electrodes and driving channels. In this embodiment, the number of the right-drive connection wires 460 is four.

Specifically, the right-drive connection wiring 460 connects the first right-drive electrode and the second drive channel TX2 to apply a drive signal applied from the second drive channel TX2 to the second left-drive electrode. do. In addition, the right-drive connection wiring 460 connects the second right-drive electrode and the fourth drive channel TX4 to apply a drive signal applied from the fourth drive channel TX4 to the second right-drive electrode. . In addition, the right-drive connection wiring 460 connects the third right-drive electrode and the sixth drive channel TX6 to apply a drive signal applied from the sixth drive channel TX6 to the third left-drive electrode. . In addition, the right-drive connection wiring 460 connects the fourth right-drive electrode and the eighth drive channel TX8 to apply a drive signal applied from the eighth drive channel TX8 to the fourth left-drive electrode. .

FIG. 7 is a plan view illustrating an example of a sensing block shown in FIG. 6. For convenience of description, a portion of the sensing block adjacent to the ninth driving channel TX9 is shown.

6 and 7, each of the sensing blocks SB1, SB2, and SB3 includes a left-drive line 410, a right-drive line 420, a left-sensing line 430, and a right-sensing line ( 440, a plurality of left-drive connection wires 450 and a plurality of right-drive connection wires 460.

The left-drive line 410 includes a first left-drive electrode 411, a second left-drive electrode 412, and a third left-drive electrode 413 arranged in the + Y-axis direction. Each of the first to third left-drive electrodes 411, 412, and 413 includes a main body portion formed in the + Y-axis direction and a plurality of branch portions branched from the main body portion in the + X-axis direction. The first left-drive electrode 411 has a size 1/2 of the second left-drive electrode 412. Therefore, the length of the left-drive electrodes can be adjusted by adjusting the length of the body portion and the number of branch portions. For example, the length of the main body of the first left-drive electrode 411 is designed to be 1/2 of the length of the main body of the second left-drive electrode 412, and the first left-drive electrode ( The number of left-branched portions of 411 may be four, and the number of branched portions of the second left-drive electrode 412 may be eight.

The right-drive line 420 includes a first right-drive electrode 421 and a second right-drive electrode 422 arranged in the + Y-axis direction. Each of the first and second right-drive electrodes 421 and 422 includes a main body portion formed in the + Y-axis direction and a plurality of branch portions branched from the main body portion and formed in the X-axis direction. The size of the first right-drive electrode 421 and the size of the second right-drive electrode 422 are the same. Accordingly, the length of the main body of the first right-drive electrode 421 and the length of the main body of the second right-drive electrode 422 are designed to be equal to each other, and the branch of the first right-drive electrode 421 is equal to each other. The number of parts and the number of branches of the second right-drive electrode 422 can be designed as eight.

The left-sensing line 430 includes a first left-sensing electrode 431, a second left-sensing electrode 432, a third left-sensing electrode 433, and a fourth left-side arranged in the + Y-axis direction. The sensing electrode 434 includes a fifth left-sensing electrode 435, a sixth left-sensing electrode 436, and a seventh left-sensing electrode 437. Each of the first to seventh left-sensing electrodes 431, 432, 433, 434, 435, 436, and 437 may include a main body formed in the + Y axis direction and a plurality of branch parts formed in the X axis direction in the main body part. It includes. The first to third left-drive electrodes 411 and 412 may be formed in regions where the branch portions of each of the first to seventh left-sensing electrodes 431, 432, 433, 434, 435, 436 and 437 are not formed. Each branch may be formed. Each of the first to seventh left-sensing electrodes 431, 432, 433, 434, 435, 436, and 437 has the same size, and is 1/2 of the size of the first left-drive electrode 411. to be. Accordingly, the size of the first left-drive electrode 411 is designed by designing the number of branch portions of each of the first to seventh left-sensing electrodes 431, 432, 433, 434, 435, 436, and 437 as two. It can be designed to be 1/2 of.

The right-sensing line 440 includes a first right-sensing electrode 441, a second right-sensing electrode 442, a third right-sensing electrode 443, and a fourth right-side arranged in the + Y-axis direction. And a sensing electrode 444, a fifth right-sensing electrode 445, a sixth right-sensing electrode 446, and a seventh right-sensing electrode 447. Each of the first to seventh right-sensing electrodes 441, 442, 443, 444, 445, 446, and 447 may include a main body formed in the + Y axis direction and a plurality of branches formed in the + X axis direction in the main body part. Contains the wealth Each of the first to seventh right-sensing electrodes 441, 442, 443, 444, 445, 446, and 447 may be the first to seventh left-sensing electrodes 431, 432, 433, 434, 435, and 436, 437) and mirror symmetrical structures, respectively.

The left-drive connection wires 450 extend in the + Y-axis direction so that the first left-drive electrode 411, the second left-drive electrode 412, and the third left-drive electrode 413 are extended. Connected with each other.

The right-drive connection wires 460 extend in the + Y-axis direction and are connected to each of the first right-drive electrode 421 and the second right-drive electrode 422.

8A and 8B are plan views illustrating a touch panel according to another exemplary embodiment of the present invention. In particular, an example in which one touch panel is divided into two compartments and driven is shown.

8A and 8B, the touch panel 500 according to another embodiment of the present invention may include a first sensing block SB1, a second sensing block SB2, a third sensing block SB3, and a fourth sensing panel SB3. The sensing block SB4, the fifth sensing block SB5, and the sixth sensing block SB6 are included. In this embodiment, for the convenience of description, a touch panel in which six sensing blocks are arranged is shown.

The first sensing block SB1, the second sensing block SB2, the third sensing block SB3, the fourth sensing block SB4, the fifth sensing block SB5, and the sixth sensing block. Each of SB6 extends in a column direction (or Y axis direction) and is arranged in a row direction (or X axis direction). In the present embodiment, the first to third sensing blocks SB1, SB2 and SB3 and the fourth to sixth sensing blocks SB4, SB5 and SB6 are connected to different driving channels.

Left-drive line 410, right-drive line 420, left-sensing line 430, right-sensing line 440, a plurality of left-drive connection wires 450 and a plurality of right-drive connection Since the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 including the wirings 460 are shown in FIG. 6, the same reference numerals are used to refer to the same. Detailed description will be omitted.

Each of the fourth sensing block SB4, the fifth sensing block SB5, and the sixth sensing block SB6 includes a left driving line 510, a right driving line 520, and a left sensing line 530. ), A right-sensing line 540, a plurality of left-drive connection wires 550 and a plurality of right-drive connection wires 560.

The left-drive line 510 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is five. In this embodiment, the size of the first left-drive electrode and the last left-drive electrode is the same as each other, and 1/2 of the size of the remaining left-drive electrodes.

The right driving line 520 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is four. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the right-drive electrodes are arranged such that the regions projected on the left-drive electrodes overlap each other. That is, the right-drive electrodes and the left-drive electrodes are zigzag arranged with each other.

The left-sensing line 530 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 510 and the right-sensing line 540. In this embodiment, the number of the left-sensing electrodes is sixteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. Thus, the first left-drive electrode and the last left-drive electrode cover two left-sensing electrodes arranged in the column direction, and the second left-drive electrode, the third left-drive electrode and the fourth left-drive electrode are in the column direction. It covers four left-sensing electrodes arranged as. In this embodiment, the remaining left-sensing electrodes except for the first left-sensing electrode and the last left-sensing electrode are connected to each other in pairs. Since the connection structure between the left-sensing electrodes is the same as that of the left-sensing electrodes shown in FIG. 4, a detailed description thereof will be omitted.

The right sensing line 540 includes a plurality of right sensing electrodes arranged in a column direction and is disposed between the left sensing line 530 and the right driving line 520. In this embodiment, the number of the right-sensing electrodes is sixteen. In this embodiment, the size of each of the right-sensing electrodes is approximately half the size of the first left-drive electrode. Thus, each of the right-sensing electrodes covers four left-sensing electrodes arranged in a column direction. In this embodiment, the remaining right-sensing electrodes except for the first right-sensing electrode and the last right-sensing electrode are connected to each other in pairs. Since the connection structure between the right-sensing electrodes is the same as that of the left-sensing electrodes shown in FIG. 4, a detailed description thereof will be omitted.

Each of the left-drive connecting wires 550 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 550 is five.

Specifically, the left-drive connection wiring 550 connects the first left-drive electrode and the tenth drive channel TX10 to apply a drive signal applied from the tenth drive channel TX10 to the first left-drive electrode. do. In addition, the left-drive connecting line 550 connects the second left-drive electrode and the twelfth drive channel TX12 to apply a drive signal applied from the twelfth drive channel TX12 to the second left-drive electrode. . In addition, the left-drive connection wiring 550 connects the third left-drive electrode and the fourteenth drive channel TX14 to apply a drive signal applied from the fourteenth drive channel TX14 to the third left-drive electrode. . In addition, the left-drive connecting line 550 connects the fourth left-drive electrode and the sixteenth drive channel TX16 to apply a drive signal applied from the sixteenth drive channel TX16 to the fourth left-drive electrode. . In addition, the left-drive connection line 550 connects the fifth left-drive electrode and the eighteenth drive channel TX18 to transmit a driving signal applied from the eighteenth drive channel TX18 to the fifth left-drive electrode. Is authorized.

Each of the right-drive connecting wires 560 connects the right-drive electrodes and driving channels. In the present embodiment, the number of right-drive connection lines 560 is four.

Specifically, the right-drive connection wiring 560 connects the first right-drive electrode and the eleventh drive channel TX11 to apply a drive signal applied from the eleventh drive channel TX11 to the second left-drive electrode. do. In addition, the right-drive connection wiring 560 connects the second right-drive electrode and the thirteenth drive channel TX13 to apply a driving signal applied from the thirteenth drive channel TX13 to the second right-drive electrode. . In addition, the right-drive connection wiring 560 connects the third right-drive electrode and the fifteenth drive channel TX15 to apply a driving signal applied from the fifteenth drive channel TX15 to the third left-drive electrode. . In addition, the right-drive connection wiring 560 connects the fourth right-drive electrode and the seventeenth drive channel TX17 to apply a drive signal applied from the seventeenth drive channel TX17 to the fourth left-drive electrode. .

9 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 9, the touch panel 600 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 610, a right-drive line 620, a left-sensing line 630, a right-sensing line 640, and a plurality of left-drive connection wires 620. 650 and a plurality of right-drive connection wires 660.

The left-drive line 610 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is six. In this embodiment, the sizes of the left-drive electrodes are the same.

The right driving line 620 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is six. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the right-drive electrodes are arranged such that an area projected on the left-drive electrodes corresponds to the left-drive electrode.

The left-sensing line 630 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 610 and the right-sensing line 640. In this embodiment, the number of the left-sensing electrodes is twelve. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the left-drive electrode. In this embodiment, the odd-numbered left-sensing electrodes are connected in series and connected to the first sensing channel RX1, and the even-numbered left-sensing electrodes are connected in series and connected to the second sensing channel RX2.

Meanwhile, in the left-sensing line 630 of the second sensing block SB2, odd-numbered left-sensing electrodes are connected in series and connected to a fifth sensing channel RX5, and even-numbered left-sensing electrodes are connected to each other. It is connected in series and connected to the sixth sensing channel (RX6). In addition, in the left-sensing line 630 of the third sensing block SB3, odd-numbered left-sensing electrodes are connected in series and connected to a ninth sensing channel RX9, and even-numbered left-sensing electrodes are connected to each other. It is connected in series to the tenth sensing channel (RX10).

The right-sensing line 640 includes a plurality of right-sensing electrodes arranged in a column direction, and is disposed between the left-sensing line 630 and the right-drive line 620. In this embodiment, the number of the right-sensing electrodes is twelve. In this embodiment, the size of each of the right-sensing electrodes is approximately half the size of the left-drive electrode. In the present embodiment, odd-numbered right-sensing electrodes are connected in series and connected to the third sensing channel RX3, and even-numbered right-sensing electrodes are connected in series and connected to the fourth sensing channel RX4.

Meanwhile, in the right-sensing line 640 of the second sensing block SB2, odd-numbered right-sensing electrodes are connected in series and connected to a seventh sensing channel RX7, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the eighth sensing channel (RX8). In addition, in the right-sensing line 640 of the third sensing block SB3, odd-numbered right-sensing electrodes are connected in series to each other and connected to the eleventh sensing channel RX11, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the twelfth sensing channel (RX12).

Each of the left-drive connecting wires 650 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 650 is six.

Specifically, the left-drive connecting line 650 connects the first left-drive electrode and the first drive channel TX1 to apply a drive signal applied from the first drive channel TX1 to the first left-drive electrode. do. In addition, the left-drive connecting line 650 connects the second left-drive electrode and the third drive channel TX3 to apply a drive signal applied from the third drive channel TX3 to the second left-drive electrode. . In addition, the left-drive connecting line 650 connects the third left-drive electrode and the fifth drive channel TX5 to apply a drive signal applied from the fifth drive channel TX5 to the third left-drive electrode. . In addition, the left-drive connecting line 650 connects the fourth left-drive electrode and the seventh drive channel TX7 to apply a drive signal applied from the seventh drive channel TX7 to the fourth left-drive electrode. . In addition, the left-drive connecting line 650 connects the fifth left-drive electrode and the ninth drive channel TX9 to the fifth left-drive electrode by applying a driving signal applied from the ninth drive channel TX9. Is authorized.

Each of the right-drive connection wires 660 connects the right-drive electrodes and driving channels. In this embodiment, the number of the right-drive connection wirings 660 is six.

Specifically, the right-drive connection wiring 660 connects the first right-drive electrode and the second drive channel TX2 to apply a drive signal applied from the second drive channel TX2 to the second left-drive electrode. do. In addition, the right-drive connection wiring 660 connects the second right-drive electrode and the fourth drive channel TX4 to apply a drive signal applied from the fourth drive channel TX4 to the second right-drive electrode. . In addition, the right-drive connection wiring 660 connects the third right-drive electrode and the sixth drive channel TX6 to apply a drive signal applied from the sixth drive channel TX6 to the third left-drive electrode. . In addition, the right-drive connection wiring 660 connects the fourth right-drive electrode and the eighth drive channel TX8 to apply a drive signal applied from the eighth drive channel TX8 to the fourth left-drive electrode. .

10 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 10, the touch panel 700 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 710, a right-drive line 720, a left-sensing line 730, a right-sensing line 740, and a plurality of left-drive connection wires 740. 750 and a plurality of right-drive connection wires 760.

The left-drive line 710 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is four. In this embodiment, the size of the first left-drive electrode and the size of the last left-drive electrode are the same as each other, and 1/2 of the size of each of the remaining left-drive electrodes.

The right driving line 720 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is three. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the right-drive electrodes and the left-drive electrodes are arranged zigzag with each other. That is, a region in which one right-drive electrode is orthogonal to the left-drive line 710 is disposed to overlap the left-drive electrodes adjacent to each other.

The left-sensing line 730 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 710 and the right-sensing line 740. In this embodiment, the number of the left-sensing electrodes is twelve. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the first left-drive electrode and approximately one quarter of the size of the second left-drive electrode. In this embodiment, the odd-numbered left-sensing electrodes are connected in series and connected to the first sensing channel RX1, and the even-numbered left-sensing electrodes are connected in series and connected to the second sensing channel RX2.

Meanwhile, in the left-sensing line 730 of the second sensing block SB2, odd-numbered left-sensing electrodes are connected in series and connected to a fifth sensing channel RX5, and even-numbered left-sensing electrodes are connected in series. It is connected to the sixth sensing channel (RX6). In addition, in the left-sensing line 730 of the third sensing block SB3, odd-numbered left-sensing electrodes are connected in series and connected to a ninth sensing channel RX9, and even-numbered left-sensing electrodes are connected to each other. It is connected in series to the tenth sensing channel (RX10).

The right sensing line 740 includes a plurality of right sensing electrodes arranged in a column direction, and is disposed between the left sensing line 730 and the right driving line 720. In this embodiment, the number of the right-sensing electrodes is twelve. In this embodiment, the size of each of the right-side sensing electrodes is approximately one quarter the size of the first right-side driving electrode. In the present embodiment, odd-numbered right-sensing electrodes are connected in series and connected to the third sensing channel RX3, and even-numbered right-sensing electrodes are connected in series and connected to the fourth sensing channel RX4.

Meanwhile, in the right-sensing line 740 of the second sensing block SB2, odd-numbered right-sensing electrodes are connected in series and connected to a seventh sensing channel RX7, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the eighth sensing channel (RX8). In addition, in the right-sensing line 740 of the third sensing block SB3, odd-numbered right-sensing electrodes are connected in series to each other and connected to the eleventh sensing channel RX11, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the twelfth sensing channel (RX12).

Each of the left-drive connecting wires 750 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 750 is four.

Specifically, the left-drive connection wiring 750 connects the first left-drive electrode and the first drive channel TX1 to apply a drive signal applied from the first drive channel TX1 to the first left-drive electrode. do. In addition, the left-drive connecting line 750 connects the second left-drive electrode and the third drive channel TX3 to apply a drive signal applied from the third drive channel TX3 to the second left-drive electrode. . In addition, the left-drive connecting line 750 connects the third left-drive electrode and the fifth drive channel TX5 to apply a drive signal applied from the fifth drive channel TX5 to the third left-drive electrode. . In addition, the left-drive connecting line 750 connects the fourth left-drive electrode and the seventh drive channel TX7 to apply a drive signal applied from the seventh drive channel TX7 to the fourth left-drive electrode. .

Each of the right-drive connecting wires 760 connects the right-drive electrodes and driving channels. In the present embodiment, the number of right-drive connection lines 760 is three.

Specifically, the right-drive connection wiring 760 connects the first right-drive electrode and the second drive channel TX2 to apply a drive signal applied from the second drive channel TX2 to the second left-drive electrode. do. In addition, the right-drive connection wiring 760 connects the second right-drive electrode and the fourth drive channel TX4 to apply a drive signal applied from the fourth drive channel TX4 to the second right-drive electrode. . In addition, the right-drive connection wiring 760 connects the third right-drive electrode and the sixth drive channel TX6 to apply a drive signal applied from the sixth drive channel TX6 to the third left-drive electrode. .

11 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 11, the touch panel 800 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 810, a right-drive line 820, a left-sensing line 830, a right-sensing line 840, and a plurality of left-drive connection wires 840. 850 and a plurality of right-drive connection wires 860.

The left-drive line 810 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is four. In this embodiment, the size of the first left-drive electrode is 1/2 of the size of each of the remaining left-drive electrodes. The size of each of the remaining left-drive electrodes is the same.

The right driving line 820 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of the right-side driving electrodes is four. In this embodiment, the size of the last right-drive electrode is 1/2 of the size of each of the remaining right-drive electrodes. The size of each of the remaining left-drive electrodes is the same. In addition, the right-drive electrodes and the left-drive electrodes are arranged zigzag with each other. That is, a region in which one right-drive electrode is orthogonal to the left-drive line 810 is disposed to overlap the left-drive electrodes adjacent to each other. In addition, a region in which one left-drive electrode is orthogonal to the right-drive line 820 is disposed to overlap the right-drive electrodes adjacent to each other. Accordingly, the region in which the first right-drive electrode is orthogonal is the whole of the first left-drive electrode and part of the second left-drive electrode. Also, the region in which the second right-drive electrode is orthogonal is part of the second left-drive electrode and part of the third left-drive electrode. Also, the region in which the third right-drive electrode is orthogonal is part of the third left-drive electrode and part of the fourth left-drive electrode. On the other hand, since the size of the fourth right-drive electrode is 1/2 of the size of the fourth left-drive electrode, an area where the fourth right-drive electrode is orthogonal is part of the fourth left-drive electrode.

The left-sensing line 830 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 810 and the right-sensing line 840. In this embodiment, the number of the left-sensing electrodes is fourteen. In this embodiment, the size of each of the left-sensing electrodes is approximately half the size of the first left-drive electrode and approximately one quarter of the size of the second left-drive electrode. In this embodiment, the connection structure between the left-sensing electrodes is the same as the connection structure between the left-sensing electrodes described in FIG.

Meanwhile, in the left-sensing line 830 of the first sensing block SB1, odd-numbered left-sensing electrodes are connected in series and connected to the first sensing channel RX1, and even-numbered left-sensing electrodes are connected to each other. It is connected in series to the second sensing channel (RX2). In addition, in the left-sensing line 830 of the second sensing block SB2, odd-numbered left-sensing electrodes are connected in series and connected to a fifth sensing channel RX5, and even-numbered left-sensing electrodes are connected to each other. It is connected in series and connected to the sixth sensing channel (RX6). In addition, in the left-sensing line 830 of the third sensing block SB3, odd-numbered left-sensing electrodes are connected in series and connected to a ninth sensing channel RX9, and even-numbered left-sensing electrodes are connected to each other. It is connected in series to the tenth sensing channel (RX10).

The right-sensing line 840 includes a plurality of right-sensing electrodes arranged in a column direction, and is disposed between the left-sensing line 830 and the right-drive line 820. In this embodiment, the number of the right-sensing electrodes is fourteen. In this embodiment, the size of each of the right-side sensing electrodes is approximately one quarter the size of the first right-side driving electrode. In this embodiment, since the connection structure between the right-sensing electrodes is the same as the connection structure between the left-sensing electrodes provided in the left-sensing line 830, a detailed description thereof will be omitted.

In the case of the right-sensing line 840 of the first sensing block SB1, odd-numbered right-sensing electrodes are connected in series and connected to a third sensing channel RX3, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the fourth sensing channel (RX4). In addition, in the case of the right-sensing line 840 of the second sensing block SB2, odd-numbered right-sensing electrodes are connected in series and connected to a seventh sensing channel RX7, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the eighth sensing channel (RX8). In addition, in the case of the right-sensing line 840 of the third sensing block SB3, odd-numbered right-sensing electrodes are connected in series and connected to the eleventh sensing channel RX11, and even-numbered right-sensing electrodes are connected to each other. It is connected in series to the twelfth sensing channel (RX12).

Each of the left-drive connecting wires 850 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 850 is four.

Specifically, the left-drive connecting line 850 connects the first left-drive electrode and the first drive channel TX1 to apply a drive signal applied from the first drive channel TX1 to the first left-drive electrode. do. In addition, the left-drive connection wiring 850 connects the second left-drive electrode and the third drive channel TX3 to apply a drive signal applied from the third drive channel TX3 to the second left-drive electrode. . In addition, the left-drive connecting line 850 connects the third left-drive electrode and the fifth drive channel TX5 to apply a drive signal applied from the fifth drive channel TX5 to the third left-drive electrode. . In addition, the left-drive connecting line 850 connects the fourth left-drive electrode and the seventh drive channel TX7 to apply a drive signal applied from the seventh drive channel TX7 to the fourth left-drive electrode. .

Each of the right-drive connection wires 860 connects the right-drive electrodes and driving channels. In the present embodiment, the number of the right-drive connection wires 860 is four.

Specifically, the right-drive connection wiring 860 connects the first right-drive electrode and the second drive channel TX2 to apply a drive signal applied from the second drive channel TX2 to the second left-drive electrode. do. In addition, the right-drive connection wiring 860 connects the second right-drive electrode and the fourth drive channel TX4 to apply a drive signal applied from the fourth drive channel TX4 to the second right-drive electrode. . In addition, the right-drive connection wiring 860 connects the third right-drive electrode and the sixth drive channel TX6 to apply a drive signal applied from the sixth drive channel TX6 to the third left-drive electrode. . In addition, the right-drive connection wiring 860 connects the fourth right-drive electrode and the eighth drive channel TX8 to apply a drive signal applied from the eighth drive channel TX8 to the fourth left-drive electrode. .

12 is a plan view illustrating a touch panel according to another exemplary embodiment of the present invention.

Referring to FIG. 12, the touch panel 900 according to another embodiment of the present invention includes a first sensing block SB1, a second sensing block SB2, and a third sensing block SB3. In the present embodiment, a touch panel in which three sensing blocks are disposed is shown for convenience of description.

Each of the first sensing block SB1, the second sensing block SB2, and the third sensing block SB3 extends in a column direction (or Y-axis direction) and is in a row direction (or X). Axial direction).

The first sensing block SB1 includes a left-drive line 910, a right-drive line 920, a left-sensing line 930, a right-sensing line 940, and a plurality of left-drive connection wires ( 950 and a plurality of right-drive connection wires 960.

The left-drive line 910 includes a plurality of left-drive electrodes arranged in a column direction and is disposed on the left side of the first sensing block SB1. In this embodiment, the number of the left-drive electrodes is three. In this embodiment, the size of the first left-drive electrode and the size of the third left-drive electrode are 1/2 of the size of the second left-drive electrode.

The right driving line 920 includes a plurality of right driving electrodes arranged in a column direction and is disposed on the right side of the first sensing block SB1. In this embodiment, the number of right-drive electrodes is two. In the present embodiment, the size of each of the right-side driving electrodes is the same. In addition, the size of each of the right-drive electrodes is the same as that of the second left-drive electrode. In addition, the right-drive electrodes and the left-drive electrodes are arranged zigzag with each other. That is, a region in which one right-drive electrode is orthogonal to the left-drive line 910 is disposed to overlap the left-drive electrodes adjacent to each other. In addition, an area in which one left-drive electrode is orthogonal to the right-drive line 920 is disposed to overlap the right-drive electrodes adjacent to each other. Accordingly, the region in which the first right-drive electrode is orthogonal is the whole of the first left-drive electrode and part of the second left-drive electrode. Further, the region in which the second right-drive electrode is orthogonal is part of the second left-drive electrode and the entirety of the third left-drive electrode.

The left-sensing line 930 includes a plurality of left-sensing electrodes arranged in a column direction, and is disposed between the left-drive line 910 and the right-sensing line 940. In this embodiment, the number of the left-sensing electrodes is twelve. In this embodiment, the size of each of the left-sensing electrodes is approximately one third of the size of the first left-drive electrode and approximately one sixth of the size of the second left-drive electrode. In the present embodiment, the first left-drive electrode, the sixth left-drive electrode, the seventh left-drive electrode and the twelfth left-drive electrode are connected in series and connected to the first sensing channel RX1. In addition, the second left-drive electrode, the fifth left-drive electrode, the eighth left-drive electrode, and the eleventh left-drive electrode are connected in series and connected to the second sensing channel RX2. In addition, the third left-drive electrode, the fourth left-drive electrode, the ninth left-drive electrode and the tenth left-drive electrode are connected in series and connected to the third sensing channel RX3.

Meanwhile, in the left-sensing line 930 of the second sensing block SB2, the first left-drive electrode, the sixth left-drive electrode, the seventh left-drive electrode, and the twelfth left-drive electrode are in series. It is connected to the seventh sensing channel (RX7). In addition, the second left-drive electrode, the fifth left-drive electrode, the eighth left-drive electrode, and the eleventh left-drive electrode are connected in series and connected to the eighth sensing channel RX8. In addition, the third left-drive electrode, the fourth left-drive electrode, the ninth left-drive electrode and the tenth left-drive electrode are connected in series and connected to the ninth sensing channel RX9.

In addition, in the left-sensing line 930 of the third sensing block SB3, the first left-drive electrode, the sixth left-drive electrode, the seventh left-drive electrode, and the twelfth left-drive electrode are in series. It is connected to the thirteenth sensing channel (RX13). In addition, the second left-drive electrode, the fifth left-drive electrode, the eighth left-drive electrode, and the eleventh left-drive electrode are connected in series and connected to the fourteenth sensing channel RX14. In addition, the third left-drive electrode, the fourth left-drive electrode, the ninth left-drive electrode and the tenth left-drive electrode are connected in series and connected to the fifteenth sensing channel RX15.

The right sensing line 940 includes a plurality of right sensing electrodes arranged in a column direction and is disposed between the left sensing line 930 and the right driving line 920. In this embodiment, the number of the right-sensing electrodes is twelve. In this embodiment, the size of each of the right-side sensing electrodes is approximately one quarter the size of the first right-side driving electrode. In the present embodiment, the connection structure between the right-sensing electrodes is the same as the connection structure between the left-sensing electrodes provided in the left-sensing line 930 except for the structure connected to the sensing channels. do. That is, the first right sensing electrode is connected to the fourth sensing channel RX4, the second right sensing electrode is connected to the fifth sensing channel RX5, and the third right sensing electrode is connected to the sixth sensing channel RX6. Connected.

Meanwhile, in the right-sensing line 940 of the second sensing block SB2, the first right-sensing electrode is connected to the tenth sensing channel RX10, and the second right-sensing electrode is the eleventh sensing channel ( The third right-sensing electrode is connected to the twelfth sensing channel RX12.

In addition, in the right-sensing line 940 of the third sensing block SB3, the first right-sensing electrode is connected to the sixteenth sensing channel RX16, and the second right-sensing electrode is the seventeenth sensing channel ( RX17, and the third right-sensing electrode is connected to the eighteenth sensing channel (RX18).

Each of the left-drive connecting wires 950 connects the left-drive electrodes and driving channels. In the present embodiment, the number of the left-drive connecting wires 950 is three.

Specifically, the left-drive connection wiring 950 connects the first left-drive electrode and the first drive channel TX1 to apply a drive signal applied from the first drive channel TX1 to the first left-drive electrode. do. In addition, the left-drive connecting line 950 connects the second left-drive electrode and the third drive channel TX3 to apply a drive signal applied from the third drive channel TX3 to the second left-drive electrode. . In addition, the left-drive connecting line 950 connects the third left-drive electrode and the fifth drive channel TX5 to apply a drive signal applied from the fifth drive channel TX5 to the third left-drive electrode. .

Each of the right-drive connection lines 960 connects the right-drive electrodes and driving channels. In the present embodiment, the number of right-drive connection lines 960 is two.

In detail, the right-drive connection line 960 connects the first right-drive electrode and the second drive channel TX2 to apply a drive signal applied from the second drive channel TX2 to the second left-drive electrode. do. In addition, the right-drive connection wiring 960 connects the second right-drive electrode and the fourth drive channel TX4 to apply a drive signal applied from the fourth drive channel TX4 to the second right-drive electrode. .

Although described above with reference to the embodiments, those skilled in the art can be variously modified and changed within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. I can understand.

Claims (14)

  1. A plurality of sensing blocks extending in a column direction and arranged in a row direction, each of the sensing blocks,
    A left-drive line including a plurality of left-drive electrodes and disposed on one side;
    A right-drive line including a plurality of right-drive electrodes and disposed on the other side; And
    A left-sensing line including a plurality of left-sensing electrodes and disposed between the left-drive line and the right-drive line;
    One left-drive electrode that is orthogonal projection to the left-sensing line covers two or more left-sensing electrodes, and each of the two or more left-sensing electrodes is electrically separated panel.
  2. The size of the left-drive electrode and the size of the right-drive electrode is the same,
    Each of the sensing blocks,
    A plurality of left-drive connection wires connected to each of the left-drive electrodes; And
    Further comprising a plurality of right-drive connection wirings connected to each of the right-drive electrodes,
    And the left-drive connection wires and the right-drive connection wires are mirror symmetric with each other.
  3. The method of claim 1, wherein each of the left-drive electrodes comprises a main body portion and a plurality of branches branched from the main body portion,
    Each of the left-sensing electrodes includes a main body portion and a plurality of branch portions branched from the main body portion,
    And the branch portions of the left-drive electrode and the branch portions of the left-sensing electrode are arranged to engage with each other when viewed on a plane.
  4. The touch panel as claimed in claim 1, wherein the left-sensing electrodes corresponding to the left-drive electrodes adjacent to each other in the sensing block are electrically connected to each other.
  5. The method of claim 1, wherein each of the sensing blocks,
    Further comprising a right-sensing line including a plurality of right-sensing electrodes and disposed in parallel with the left-sensing line,
    A pair of adjacent right-sensing electrodes connected to each other, and a pair of right-sensing electrodes connected to each other are alternately connected to each other.
  6. The touch panel of claim 5, wherein the connection structure between the left-sensing electrodes and the connection structure between the right-sensing electrodes are the same.
  7. The touch panel as claimed in claim 5, wherein the connection structure between the left-sensing electrodes and the connection structure between the right-sensing electrodes are mirror symmetric with each other.
  8. The method of claim 5, wherein each of the right-drive electrode comprises a body portion and a plurality of branches branched from the body portion,
    Each of the right-sensing electrodes includes a main body part and a plurality of branch parts branched from the main body part,
    And the branch portions of the right-drive electrode and the branch portions of the right-sensing electrode are arranged to engage with each other when viewed on a plane.
  9. The touch panel as claimed in claim 5, wherein the right sensing electrodes corresponding to the right driving electrodes adjacent to each other in the sensing block are electrically connected to each other.
  10. The method of claim 1, wherein the sizes of the left-drive electrodes are the same as each other, the sizes of the right-drive electrodes are the same, and the size of the left-drive electrodes and the size of the right-drive electrodes are: Same as each other,
    Drive voltages are sequentially applied to each of the left-drive electrodes, and drive voltages are sequentially applied to each of the right-drive electrodes.
    And the same driving voltage is applied to the left-drive electrodes and the right-drive electrodes disposed in the same row at the same time.
  11. According to claim 1, Left-drive electrodes corresponding to the first row and the last row of the left-drive electrodes are the same size, and
    And a size of the left-drive electrode corresponding to the second row is twice the size of the left-drive electrode corresponding to the first row.
  12. The touch panel as set forth in claim 11, wherein the left-drive electrode and the right-drive electrode are alternately disposed.
  13. The touch panel as claimed in claim 1, wherein the sensing block disposed on the left side of the touch panel and the sensing block disposed on the right side of the touch panel are connected to different driving channels.
  14. The touch panel of claim 1, wherein the two or more left-sensing electrodes are connected to different sensing channels.
PCT/KR2014/008172 2013-09-16 2014-09-02 Touch panel WO2015037853A1 (en)

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EP2937767A1 (en) * 2014-03-27 2015-10-28 LG Display Co., Ltd. Touch panel, display device and method of driving the same

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US20080007539A1 (en) * 2006-07-06 2008-01-10 Steve Hotelling Mutual capacitance touch sensing device
US20100149108A1 (en) * 2008-12-11 2010-06-17 Steve Porter Hotelling Single layer touch panel with segmented drive and sense electrodes
US20100301879A1 (en) * 2007-08-26 2010-12-02 Harald Philipp Capacitive sensor with additional electrode
US20110048813A1 (en) * 2009-09-03 2011-03-03 Esat Yilmaz Two-dimensional position sensor
KR101112780B1 (en) * 2011-05-13 2012-03-13 (주)이미지스테크놀로지 Touch panel sensor device with improved accuracy of touch position detection

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Publication number Priority date Publication date Assignee Title
US20080007539A1 (en) * 2006-07-06 2008-01-10 Steve Hotelling Mutual capacitance touch sensing device
US20100301879A1 (en) * 2007-08-26 2010-12-02 Harald Philipp Capacitive sensor with additional electrode
US20100149108A1 (en) * 2008-12-11 2010-06-17 Steve Porter Hotelling Single layer touch panel with segmented drive and sense electrodes
US20110048813A1 (en) * 2009-09-03 2011-03-03 Esat Yilmaz Two-dimensional position sensor
KR101112780B1 (en) * 2011-05-13 2012-03-13 (주)이미지스테크놀로지 Touch panel sensor device with improved accuracy of touch position detection

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2937767A1 (en) * 2014-03-27 2015-10-28 LG Display Co., Ltd. Touch panel, display device and method of driving the same
US10108289B2 (en) 2014-03-27 2018-10-23 Lg Display Co., Ltd. Touch panel, display device and method of driving the same

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CN105556435A (en) 2016-05-04

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