WO2013180438A1 - Ecran tactile capacitif monocouche amélioré - Google Patents

Ecran tactile capacitif monocouche amélioré Download PDF

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Publication number
WO2013180438A1
WO2013180438A1 PCT/KR2013/004661 KR2013004661W WO2013180438A1 WO 2013180438 A1 WO2013180438 A1 WO 2013180438A1 KR 2013004661 W KR2013004661 W KR 2013004661W WO 2013180438 A1 WO2013180438 A1 WO 2013180438A1
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WO
WIPO (PCT)
Prior art keywords
touch
pattern group
axis direction
internal
display area
Prior art date
Application number
PCT/KR2013/004661
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English (en)
Korean (ko)
Inventor
안병식
Original Assignee
주식회사 아이피시티
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Publication of WO2013180438A1 publication Critical patent/WO2013180438A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads

Definitions

  • An improved one layer capacitive touch panel and more particularly, a one layer capacitive touch panel with a simplified wiring area.
  • the touch screen panel is a device for inputting a user's command through a human hand or other contact means based on the content displayed by the image display device.
  • the touch screen panel is provided on the front face of the image display device to convert a contact position directly contacted by a human hand or other contact means into an electrical signal. Accordingly, the instruction selected at the contact position is received as an input signal.
  • the capacitive touch panel detects a change in capacitance formed by the conductive sensing pattern when the human hand or an object is touched by another sensing pattern or ground electrode, and converts the contact position into an electrical signal.
  • the linear touch pad in the lateral direction and the linear touch pad in the longitudinal direction are formed of an expensive ITO layer, thereby increasing the cost of the product to which it is applied. Since the process of forming each touch pad is required, the manufacturing process is also complicated.
  • FIG. 1 is a plan view illustrating another example of a capacitive touch screen panel according to the related art.
  • the capacitive touch screen panel includes a first touch pad 7a and a second touch pad 7b in one layer.
  • the first touch pad 7a is connected in the longitudinal direction
  • the second touch pad 7b is connected in the lateral direction.
  • the touch screen panel shown in FIG. 1 has a feature of forming wiring regions in a plurality of layers instead of forming touch pads 7a and 7b on a single surface (single layer).
  • the touch screen panel illustrated in FIG. 1 may determine the magnitude of the capacitance formed between the first touch pad 7a and the second touch pad 7b and the finger within a charge amount, a discharge amount, a charge time, or a predetermined time.
  • the touch point may be recognized by extracting the positions of the contact positions in the first and second axis directions.
  • a touch pad may be formed on a single surface to reduce the thickness of the touch screen panel.
  • a bridge or via hole may be used to prevent short circuits between the wires.
  • the number of jumping between wirings increases. Due to such a complicated structure in the wiring area, even if the display area of the touch screen panel is formed as a single surface, problems of increase in thickness of the entire touch panel, increase in edge width, and decrease in yield due to process complexity occur.
  • the touch screen panel can reduce the thickness of the touch screen panel by forming a touch pad on a single surface, but since overlapping areas are generated, a bridge or via hole is used to prevent short circuits between wires. There was a problem that the number of jumping. Due to such a complicated structure in the wiring area, even if the display area of the touch screen panel is formed as a single surface, problems of increase in thickness of the entire touch panel, increase in edge width, and decrease in yield due to process complexity occur.
  • the touch pattern group includes a plurality of touch pads disposed on a single surface in a display area, and among touch pads connected in a first axis direction. Some of the touch pads are connected by an outer wire outside the display area, and others are connected by a first internal wire in the display area, and some of the touch pads connected in a second axis direction are in the first display area.
  • a capacitive touch panel is provided that is connected by a second internal wire that does not overlap the internal wire.
  • Touch pads connected in the first axis direction belonging to different touch pattern groups may be connected by the outer wiring, and touch pads connected in the first axis direction belonging to the same touch pattern group may be connected by first internal wiring. .
  • the first axis direction and the second axis direction may be perpendicular to each other.
  • the first internal wire and the second internal wire may be made of the same material as the touch pad.
  • the touch pad may be formed of a transparent conductive material.
  • the touch pad may further include a touch sensing unit that senses a touch through a change in capacitance generated during touch.
  • it may include a personal portable terminal including a capacitive touch panel.
  • the capacitive touch panel is formed of a single layer, thereby reducing production costs and simplifying the manufacturing process.
  • the overlapping area of the wires connected to the touch pad is reduced, thereby reducing the number of jumps between the wires.
  • FIG. 1 is a plan view illustrating an example of a capacitive touch screen panel according to the related art.
  • FIG. 2 illustrates a touch pattern group of a capacitive touch panel according to an aspect of the present invention.
  • FIG. 3 illustrates a touch pattern group of a capacitive touch panel according to an exemplary embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a touch pattern group of a capacitive touch panel according to another exemplary embodiment of the present invention.
  • FIG. 5 illustrates a touch pattern group of a capacitive touch panel according to another exemplary embodiment of the present invention.
  • FIG. 6 illustrates a touch pattern group of a capacitive touch panel according to another exemplary embodiment of the present invention.
  • FIG. 2 illustrates a touch pattern group of a capacitive touch panel according to an exemplary embodiment.
  • the capacitive touch panel may include a plurality of touch pattern groups 100.
  • the touch pattern group 100 may include a plurality of touch pads 200 disposed on a single surface in the display area.
  • the touch pad 200 may form capacitance between a touch input tool such as a finger or a conductor as an electrode patterned on a substrate to detect a touch input.
  • a touch input tool such as a finger or a conductor as an electrode patterned on a substrate to detect a touch input.
  • the touch pad 200 may be a transparent conductive material.
  • the touch pad 200 may be a transparent conductive material such as indium tin oxide (ITO), antimony tin oxide (ATO), carbon nano tube (CNT), and indium zinc oxide (IZO).
  • ITO indium tin oxide
  • ATO antimony tin oxide
  • CNT carbon nano tube
  • IZO indium zinc oxide
  • the touch pad 200 may be metal.
  • a plurality of touch pads 200 may be arranged in a polygonal state in an independent state over the entire touch screen.
  • Some of the touch pads connected in the Y-axis direction of the capacitive touch panel may be connected by outer wirings A1, A2, A3, and A4 outside the display area, and the others may be connected to the first internal wires B1, It may be connected by B2, B3, B4).
  • some of the touch pads connected in the X-axis direction may be connected by second internal wires C1 that do not overlap the first internal wires B1, B2, B3, and B4.
  • Touch pads connected in the Y-axis direction belonging to different touch pattern groups may be connected by outer wirings A1, A2, A3, and A4. Touch pads connected in the Y-axis direction belonging to the same touch pattern group may be connected to the first internal wiring ( By B1, B2, B3, B4).
  • touch pads connected in the Y-axis direction inside the same touch pattern group 100 may be connected by first internal wires B1, B2, B3, and B4.
  • touch pads connected in the Y-axis direction of different touch pattern groups may be connected by outer wirings A1, A2, A3, and A4. That is, touch pads connected in the Y-axis direction inside the same touch pattern group 100 are connected by the first internal wires B1, B2, B3, and B4, but touch patterns disposed outside the corresponding touch pattern group 100 are provided.
  • the touch pads of the group may be connected by outer wirings A1, A2, A3, and A4.
  • the first internal wires B1, B2, B3, and B4 and the second internal wires C1 may be disposed on the same surface.
  • the display area represents an area for recognizing a touch on the touch panel and showing a screen according to the touch panel.
  • the display area may include an area for detecting a touch except for a bezel.
  • the outer wirings A1, A2, and A3 may be included.
  • A4, the first internal wires B1, B2, B3, and B4 and the second internal wires C1 may be made of the same material as the touch pad 200.
  • the touch pad 200 is made of a transparent conductive material such as ITO
  • the outer wirings A1, A2, A3, and A4 the first inner wirings B1, B2, B3, and B4 and the second inner wiring C1 may be used. It may also be the same material.
  • the outside wirings A1, A2, A3, and A4 may be made of a metal material having low resistance.
  • Connection methods of the external wirings A1, A2, A3, and A4, the first internal wirings B1, B2, B3, and B4, and the second internal wirings C1 of the touch pads included in the touch pattern group may be in various forms. Can be implemented.
  • the touch pad 200 is a touch sensing unit (not shown) to be described later by the outer wirings A1, A2, A3, and A4, the first internal wirings B1, B2, B3, and B4, and the second internal wirings C1. It can be connected with.
  • the capacitive touch panel according to one side may further include a touch sensing unit (not shown).
  • the touch sensor may detect the touch through a change in capacitance generated by the touch on the touch pad 200. For example, when a driving signal is sequentially provided to the touch pads connected by the X-axis, and the touch pads connected by the Y-axis are sequentially recognized by the touch pad, the touch and the touch signals are changed by using the amount of change of the driving signal recognized by the contact. The coordinates can be detected.
  • the touch pads connected in the Y-axis direction may be connected to the touch pads arranged in the same column through the first internal wires B1, B2, B3, and B4.
  • the touch pads connected in the X-axis direction may be connected to each other by the second internal wire C1.
  • the first internal wires B1, B2, B3, and B4 and the second internal wires C1 may be disposed on the same surface without overlapping.
  • the overlap between wires can be significantly reduced through the same configuration as the touch pattern group 100.
  • the thickness of the touch panel can be reduced and the process yield can be improved.
  • the wires connected to the touch pad are overlapped, and thus the number of points to prevent the short circuit between the wires using a bridge or via hole is large.
  • the capacitive touch panel according to the above aspect since the wirings of the touch pads in the touch pattern group do not overlap each other, there is no need to form bridges or via holes, etc., in order to prevent shorts between the wirings. Therefore, when implementing the touch screen panel with a plurality of touch pattern groups according to one aspect, the number of points to be jumped between the wirings is greatly reduced.
  • the touchpad and the wiring are fairly dense and occupy most of the display area of the touch screen.
  • each wire is connected to the edge of the touch pad can be minimized unnecessary space. This principle can be equally applied to FIGS. 3 to 6.
  • FIG. 3 illustrates a touch pattern group of a capacitive touch panel according to another embodiment.
  • the touch pattern group 100 included in the capacitive touch panel may include a plurality of touch pads 200.
  • the touch pattern group 100 may include a touch pad 200 disposed on the same surface.
  • the touch pad 200 may be a transparent conductive material.
  • the touch pad 200 may be a transparent conductive material such as indium tin oxide (ITO), antimony tin oxide (ATO), carbon nano tube (CNT), and indium zinc oxide (IZO).
  • ITO indium tin oxide
  • ATO antimony tin oxide
  • CNT carbon nano tube
  • IZO indium zinc oxide
  • the touch pattern group of the capacitive touch panel according to another exemplary embodiment of FIG. 3, only rows and columns are changed as compared to FIG. 2, and the connection method is the same as that of FIG. 2. That is, the touch pattern group shown in FIG. 3 has a configuration similar to that of rotating the touch pattern group shown in FIG. 2 by 90 degrees.
  • the touch pattern group shown in FIG. 3 shares the same principle as the touch pattern group shown in FIG. 2, and the description of FIG. 2 applies to FIG.
  • FIG. 4 illustrates a touch pattern group of a capacitive touch panel according to another embodiment of the present invention.
  • the touch pattern group of the capacitive touch panel may include a touch pad 200 arranged in a 4 ⁇ 4 matrix and disposed on the same surface.
  • the touch pad 200 may be a transparent conductive material.
  • the touch pad 200 may be a transparent conductive material such as indium tin oxide (ITO), antimony tin oxide (ATO), carbon nano tube (CNT), or indium zinc oxide (IZO).
  • the touch pattern group of the capacitive touch panel has a configuration in which touch pads arranged similarly to the touch pattern group shown in FIG. 2 and touch pads connected in the X-axis direction are added below. That is, similar to FIG. 2, the touch pads connected in the Y-axis direction and the touch pads connected in the X-axis direction in the touch pattern group are connected to the respective wires, and some of the touch pads connected in the X-axis direction are second inside. It is connected by the wiring C2 and is configured not to overlap with the first internal wirings B1, B2, B3, and B4.
  • the touch pads in the X-axis direction connected by the second internal wires C2 may not be connected by wires, but may be implemented in the form of bars in the X-axis direction.
  • the touch pattern group shown in FIG. 4 shares the same principle as the touch pattern group shown in FIG. 2, and the description about FIG. 2 applies to FIG.
  • FIG. 5 is a diagram illustrating a touch pattern group of a capacitive touch panel according to another exemplary embodiment of the present invention.
  • the touch pattern group of the capacitive touch panel may include a touch pad 200 disposed on the same surface as shown in FIG. 5.
  • the touch pattern group illustrated in FIG. 5 is an extended form of the touch pattern group illustrated in FIG. 2, and some of the touch pads connected in the Y-axis direction include outer wirings A1, A2, A3, A4, and A5 outside the display area. , A6, A7, and A8, and the rest may be connected by the first internal wirings B1, B2, B3, B4, B5, B6, B7, and B8 within the display area. In addition, some of the touch pads connected in the X-axis direction of the touch pattern group illustrated in FIG. 5 may not overlap the first internal wires B1, B2, B3, B4, B5, B6, B7, and B8. By C1).
  • the Y-axis direction and the X-axis direction are orthogonal to each other, and the first internal wirings B1, B2, B3, B4, B5, B6, B7, and B8 and the second internal wirings C1 may be disposed on the same plane. Can be.
  • the first internal wires B1, B2, B3, B4, B5, B6, B7, and B8 and the second internal wires C1 may be made of the same material as the touch pad 200.
  • FIG. 5 is a modification of FIG. 2 and shares the same principles as FIGS. 3 to 4.
  • FIG. 6 illustrates a touch pattern group of a capacitive touch panel according to another embodiment of the present invention.
  • a plurality of touch pattern groups may be arranged in a row or column direction.
  • the plurality of touch pattern groups may be arranged in various forms according to the use of the capacitive touch panel.
  • the touch pattern group shown in FIG. 6 is an extended form of the touch pattern group shown in FIG. 4, and some of the touch pads connected in the Y-axis direction are formed by outer wirings A1, A2, A3, and A4 outside the display area. The remainder may be connected by the first internal wirings B1, B2, B3, B4, B1 ′, B2 ′, B3 ′, and B4 ′ in the display area. At this time, the touch pads arranged in the same column among the touch pads connected in the Y-axis direction are adjacent to the pair of touch pads and the first internal wires B1, B2, B3, B4, B1 ′, B2 ′, B3 ′, and B4 ′. ) Can be connected.
  • the touch pads arranged in the first row and the first column connected in the Y-axis direction and the touch pads in the third row and the first column that are adjacent to each other may be connected by the first internal wiring B1, and the fourth connected in the Y-axis direction.
  • the touch pads arranged in the first column of the row and the touch pads in the first row of the sixth row may be connected by the first internal wire B1 ′.
  • touch pads connected in the Y-axis direction belonging to different touch pattern groups may be connected by outer wirings A1, A2, A3, and A4, and touch pads connected in the Y-axis direction belonging to the same touch pattern group may include a first touch pad. It may be connected by the internal wirings B1, B2, B3, B4, B1 ', B2', B3 ', and B4'.
  • the first touch pattern group may include touch pads arranged in the first to fourth rows, and the second touch pattern group may include touch pads arranged in the fifth to eighth rows.
  • the touch pads arranged in the first row and the first column connected in the Y-axis direction and the touch pads arranged in the fifth row and the first column are respectively the first touch pattern group and the second touch pattern group, they belong to different touch pattern groups.
  • the touch pad may be connected in the Y-axis direction and may be connected by the outer wiring A1.
  • the touch pads arranged in the first row and the second column connected in the Y-axis direction and the touch pads arranged in the fifth row and the second column may be connected by the outer wiring A2.
  • the touch pads arranged in the first row and the first column connected in the Y-axis direction belonging to the same touch pattern group may be connected by the first internal wiring B1.
  • the touch pads arranged in the first row of the fifth row connected to the Y-axis direction belonging to the same touch pattern group and the touch pads arranged in the first row of the seventh row may be connected by the first internal wiring B1 ′.
  • some of the touch pads connected in the X-axis direction do not overlap the first internal wires B1, B2, B3, B4, B1 ′, B2 ′, B3 ′, and B4 ′. It is connected by the second internal wirings C1, C2, C3, and C4.
  • first internal wires B1, B2, B3, B4, B1 ′, B2 ′, B3 ′, and B4 ′ and the second internal wires C1, C2, C3, and C4 may be disposed on the same surface.
  • first internal wires B1, B2, B3, B4, B1 ′, B2 ′, B3 ′, B4 ′ and the second internal wires C1, C2, C3, and C4 are made of the same material as the touch pad 200. Can be.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Input By Displaying (AREA)

Abstract

PL'invention concerne un écran tactile monocouche, dans lequel la complexité d'une région de câblage incluant une pluralité de groupes de motifs tactiles est améliorée. Cet écran tactile capacitif est formé d'une couche unique afin de réduire les coûts de fabrication et de simplifier les processus de fabrication. De plus, la région dans laquelle les câblages connectés à un pavé tactile se chevauchent mutuellement est réduite, ce qui permet de réduire le nombre de sauts entre câblages.
PCT/KR2013/004661 2012-05-29 2013-05-28 Ecran tactile capacitif monocouche amélioré WO2013180438A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0056571 2012-05-29
KR1020120056571A KR101444118B1 (ko) 2012-05-29 2012-05-29 개선된 원 레이어 정전식 터치 패널

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WO2013180438A1 true WO2013180438A1 (fr) 2013-12-05

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Cited By (4)

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WO2015186918A1 (fr) * 2014-06-03 2015-12-10 동우화인켐 주식회사 Écran tactile
US9391610B2 (en) 2014-05-29 2016-07-12 Parade Technologies, Ltd. Single layer touchscreen with ground insertion
CN107003764A (zh) * 2014-11-26 2017-08-01 东友精细化工有限公司 触控传感器
WO2019184301A1 (fr) * 2018-03-26 2019-10-03 京东方科技集团股份有限公司 Panneau tactile et son procédé d'attaque, et dispositif tactile

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KR20150131610A (ko) * 2014-05-15 2015-11-25 동우 화인켐 주식회사 터치 패널
US10296147B2 (en) 2015-02-02 2019-05-21 Samsung Display Co., Ltd. Touch screen and display device including the same
KR102381121B1 (ko) 2015-02-02 2022-04-01 삼성디스플레이 주식회사 터치패널 및 이를 포함하는 표시장치
KR102387980B1 (ko) 2015-04-14 2022-04-18 삼성디스플레이 주식회사 터치 패널 및 표시 장치

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Cited By (10)

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Publication number Priority date Publication date Assignee Title
US9391610B2 (en) 2014-05-29 2016-07-12 Parade Technologies, Ltd. Single layer touchscreen with ground insertion
WO2015186918A1 (fr) * 2014-06-03 2015-12-10 동우화인켐 주식회사 Écran tactile
CN106462287A (zh) * 2014-06-03 2017-02-22 东友精细化工有限公司 触控面板
CN106462287B (zh) * 2014-06-03 2019-05-14 东友精细化工有限公司 触控面板
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CN107003764A (zh) * 2014-11-26 2017-08-01 东友精细化工有限公司 触控传感器
TWI662444B (zh) * 2014-11-26 2019-06-11 南韓商東友精細化工有限公司 觸控感測器
US10345955B2 (en) 2014-11-26 2019-07-09 Dongwoo Fine-Chem Co., Ltd. Touch sensor including driving electrode connected to driving channel for each divided area
WO2019184301A1 (fr) * 2018-03-26 2019-10-03 京东方科技集团股份有限公司 Panneau tactile et son procédé d'attaque, et dispositif tactile
US11416098B2 (en) 2018-03-26 2022-08-16 Chengdu Boe Optoelectronics Technology Co., Ltd. Touch panel in which multiple electrode share one signal line, driving method thereof, and touch device

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