CN103294250A - Signal pattern structure of single multi-touch sensor - Google Patents

Signal pattern structure of single multi-touch sensor Download PDF

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Publication number
CN103294250A
CN103294250A CN2012103308212A CN201210330821A CN103294250A CN 103294250 A CN103294250 A CN 103294250A CN 2012103308212 A CN2012103308212 A CN 2012103308212A CN 201210330821 A CN201210330821 A CN 201210330821A CN 103294250 A CN103294250 A CN 103294250A
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China
Prior art keywords
axis
conductive pattern
touch sensor
sensing element
shaft
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CN2012103308212A
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Chinese (zh)
Inventor
李种雄
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HNT ELECTRONICS CONPANY Ltd
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HNT ELECTRONICS CONPANY Ltd
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Publication of CN103294250A publication Critical patent/CN103294250A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

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

Abstract

The invention relates to a signal pattern structure of a single touch sensor. The single touch sensor comprises an X shaft sensing element sensing X shaft touch signals and a Y shaft sensing element sensing Y shaft touch signals; a conductive pattern of the Y shaft sensing element is arranged in one direction of a plane; a conductive pattern of the X shaft sensing element is patterned in a direction opposite to the Y shaft sensing element, and is patterned in a same direction of the conductive pattern of the Y shaft sensing element along the edge of the touch sensor. Furthermore, the X shaft conductive pattern with different X shaft values is patterned for bridge connection; and the X shaft conductive pattern with different Y shaft values is patterned for disconnection. So repeat patterns are arranged by bridge circuit, space required by conductive pattern is minimized, and device size is reduced.

Description

The signal pattern structure of the many touch sensors of individual layer
Technical field
The present invention relates to a kind of signal pattern structure of single-layer touch sensor, more specifically, relate to a kind of conductive pattern structure that transmits the electric signal of touch sensor, so that the space constraint minimum.
Background technology
Along with the stable development of electronic technology and infotech, electronic equipment is universal day by day in commercial and daily life.Recently, also variation of type of electronic device.Especially, new Design and Features constantly is introduced in the portable type electronic product that comprises laptop computer, portable terminal, portable multimedia player and panel computer.
Become variation and need the easy user interface of learning and allowing intuitive operation at the electronic equipment that is used for daily life that function becomes meticulous or complicated in type.As the input media that satisfies this demand, touch panel device is noticeable and be widely used in the multiple electronic product.
Particularly, as the application of (" touch pad " is called as " touch sensor ") of prevailing touch panel device, touch-screen refers to the equipment of user's position contacting on a kind of sensing electronic equipment display screen, makes the user can not only control display screen and can also be based on about the information of sense position control electronic equipment.
Along with the widespread use of touch-screen, in the manufacturing of touch sensor, the electric capacity controller semiconductor of capacitance measurement circuit and management capacitance measurement circuit becomes more and more important.
Usually, touch-screen refers to have the screen of the special input media of identifying the finger touch position.That is, in touch-screen, on finger or object touch screen or its part go up to show character the time, touch location is identified, and makes saved software can be directly receive input and handle it from screen, and does not use keyboard.
Capacitive touch screen is made up of following assembly: touch sensor, the sensing transparency window with the finger between contact; The controller semiconductor is imported touch sensor with electric signal, and the coordinate that the user touches on the change calculations screen of the electric signal that causes based on touch sensor; And display panel.
Have simultaneously that the electronic equipment of the capacitive touch sensors of two above contact points of sensing (with finger more than two) not only can receive single-point touches input (singly referring to) but also can receive multiple point touching input (refer to) more, therefore can be used as the suitable input media for graphic user interface (GUI) that processing comprises the various command input scheme of single-point touches gesture and multiple point touching gesture.
Fig. 1 shows the signal pattern structure according to the single-layer touch sensor of correlation technique.In order to realize many touches ability by means of capacitive touch sensors, the input terminal and the lead-out terminal that touch IC should be formed by independent conductive pattern 11 and 21.Here, for X-axis sensing element 20 forms conductive pattern 21, for Y-axis sensing element 10 forms conductive pattern 11.
As shown in Figure 1, for the touch IC from touch sensor 30 to sense capacitance provides signal, X-axis conductive pattern and Y-axis conductive pattern concentrate on downward direction.Here, formed (patterning) respectively owing to be used for the conductive pattern of X-axis sensing element, so be difficult to guarantee the space of pattern realization.
Summary of the invention
The present invention is conceived to the problems referred to above and the purpose of this invention is to provide a kind of signal pattern structure, and this signal pattern structure can solve the problem of the limited space of the electronic equipment that is equipped with touch sensor by the needed space of minimum conduction pattern.
Another object of the present invention provides the structure that a kind of use individual layer conductive surface can be realized the many touch sensors of condenser type (multi touch sensor).
Another purpose of the present invention provides a kind of touch sensor patterning, thereby this touch sensor patterning application bridge fishplate bar arrange to overlap the problem that pattern solves correlation technique along pattern lines, and adopts a conductive surface only and do not cause the difficulty of space utilization.
According to the embodiment of the present invention, a kind of signal pattern structure of single-layer touch sensor is provided, this single-layer touch sensor has the X-axis sensing element of sensing X-axis touch signal and the Y-axis sensing element of sensing Y-axis touch signal, wherein, the conductive pattern of Y-axis sensing element is arranged on the direction on plane, the conductive pattern of X-axis sensing element is patterned in the direction relative with the Y-axis sensing element, edge along touch sensor is patterned in the direction identical with the conductive pattern of Y-axis sensing element then, wherein, X-axis conductive pattern with different X-axis values is patterned in order to be bridged, and the X-axis conductive pattern with different Y-axis values is patterned in order to be not connected.
The X-axis conductive pattern can be patterned at plate (board), in order to be connected with touch sensor.
X-axis conductive pattern with different Y-axis values can be arranged by the bridging board with sandwich construction, in order to be not connected.
The X-axis conductive pattern can be arranged by the plate that separates, and engage (bonding) with touch sensor.
The Z-axis conductive pattern that engages with the X-axis conductive pattern can form single main body with touch sensor.
The X-axis conductive pattern can be formed on the two ends, top and bottom of touch sensor.
The X-axis conductive pattern can be arranged such that a plurality of X-axis signals are dispensed on the left side and right side of touch sensor.
In feature of the present invention, the electric signal of importing to touch sensor is concentrated on the direction according to architectural characteristic.In above-mentioned signal pattern structure, the conductive pattern of X-axis or Y-axis forms by bridge joint, concentrates on a number of patterns on the direction thereby reduced.Therefore, can reduce the space that conductive pattern occupies.
Description of drawings
Fig. 1 shows the signal pattern structure according to the single-layer touch sensor of correlation technique.
Fig. 2 shows the signal pattern structure according to single-layer touch sensor of the present invention.
Fig. 3 is the zoomed-in view of the bridging board in the signal pattern structure among Fig. 2 (bridge board).
Fig. 4 shows the one-piece construction based on the touch sensor of signal pattern structure among Fig. 2.
Embodiment
Hereinafter, describe signal pattern structure as the single-layer touch sensor of exemplary embodiment of the invention in detail with reference to accompanying drawing.
The present invention relates to a kind of signal pattern structure of single-layer touch sensor, this single-layer touch sensor has the X-axis sensing element 100 of sensing X-axis touch signal and the Y-axis sensing element 110 of sensing Y-axis touch signal, wherein, conductive pattern 130 a layouts direction in the plane that is used for Y-axis sensing element 110, the conductive pattern that is used for the X-axis sensing element, with the conductive pattern 130 relative (opposite of Y-axis sensing element 110, be patterned on the direction on the contrary), edge along touch sensor is patterned in the direction identical with the conductive pattern that is used for Y-axis sensing element 110 then, those X-axis conductive patterns 120 with different X-axis values are patterned as bridge joint, and those X-axis conductive patterns 120 with different Y-axis values are patterned as and are not connected.
In the signal pattern structure of single-layer touch sensor, purport of the present invention is by the needed space of minimum conduction pattern, makes things convenient for design and implementation space efficient.
At first, provide the description of the necessity of signal pattern structure of the present invention.When touch sensor was applied to the digital device of or intelligent panel computer auxiliary such as smart mobile phone, PDA, navigation, it was formed according to display sizes, and conductive pattern is connected to touch sensor to transmit the electric signal of touch sensor.Here, conductive pattern is connected to the input terminal that touches IC and touches IC and carry out signal and handle being sent to by the electric capacity (being touched the electric capacity that causes by the user) of touch sensor sensing.That is, conductive pattern is concentrated towards input terminal.Therefore, need solve the problem of limited space by the quantity that minimizes the conductive pattern that concentrates on a direction.
Fig. 2 shows the signal pattern structure according to single-layer touch sensor of the present invention.With reference to Fig. 2, in the touch sensor configuration: touch sensor 300 is made by the ITO film, is configured to X-axis and the Y-axis coordinate of sensing user touch location; Be used for being formed on touch sensor 300 at the X-axis sensing element 100 of sensing signal on the X-direction with for the Y-axis sensing element 110 of sensing signal on Y direction; The Y-axis conductive pattern 130 that is used for Y-axis sensing element 110 is disposed in a direction on plane, the X-axis conductive pattern 120 that is used for X-axis sensing element 100 is patterned in the direction relative with the Y-axis conductive pattern 130 that is used for Y-axis sensing element 110, be patterned in the direction identical with the conductive pattern 130 that is used for Y-axis sensing element 110 along the edge of touch sensor then, and those X-axis conductive patterns 120 on X-direction are bridged.
That is, for X-axis sensing element 100 sensing signals from the sensing element that is arranged in X-direction and Y direction, the X-axis conductive pattern 120 on the X-direction is bridged and forms a conductive pattern.For example, among Fig. 2, all the sensing element x0 in the X-axis sensing element connect by identical pattern.Thus, (duplicated) pattern of coincidence is merged into a pattern, has reduced pattern width.
Than the touch sensor arrangement of Fig. 1, significantly reduce in the quantity of the conductive pattern of left side patterning.The invention solves the correlation technique problem among Fig. 1---because the conductive pattern that is connected with the X-axis sensing element all formation on X-direction and Y direction, so conductive pattern has occupied big quantity space.
For the X-axis conductive pattern being engaged to the touch sensor 300 that uses pattern plate, contact point 210 is formed on bridging board 200 and the touch sensor 300.That is, X-axis conductive pattern and touch sensor 300 engage by contact point 210.
Here, the conductive pattern in left side can be done as a wholely with common formation of touch sensor 300, and can engage with the bridging board that wherein forms the X-axis conductive pattern.
Bridging board 200 can form two.In Fig. 2, first bridging board can be formed on the upside on the X-direction, and second bridging board can be formed and is engaged to first bridging board and extends downwards.
Fig. 3 is the partial enlarged view of bridging board 200 in the signal pattern structure.As shown in Figure 3, contact point 210 is formed on bridging board 200 and the touch sensor.Here, bridging board 200 has sandwich construction, to prevent the contact between different conductive patterns.Bridging board 200 is connected with touch sensor by the joint at contact point 210 places.
Fig. 4 shows the one-piece construction based on the touch sensor of signal pattern structure of the present invention.As shown in Figure 4, about touch sensor 300, the bridging board 200 of upside is arranged the X-axis conductive pattern and is engaged with the contact point of touch sensor.If desired, the X-axis conductive pattern of downside also can be arranged by bridging board 400.But, this may be inconsistent with purport of the present invention,, alleviates the limitation of structure by the use of minimize spatial that is.
In order to make the space use minimum by minimizing in the quantity of the conductive pattern of touch sensor left side and right side formation, the X-axis conductive pattern is arranged such that a plurality of X-axis signals are dispensed on left side and the right side of touch sensor.For example, in Fig. 4, the electric signal of upside X-axis conductive pattern is dispensed on 3 left side patterns and 2 the right side patterns, thereby has reduced number of patterns and reduced the space use.
As mentioned above, when structure touch sensor of the present invention, the conductive pattern of transmission of electric signals is bridged and shares.Thus, the quantity of used pattern reduces, and therefore can reduce the size of touch sensor.
Although example embodiment of the present invention is described hereinbefore, should be understood that many variations of basic inventive concept described herein and modification will still fall within the spirit and scope of the present invention of claims restriction.

Claims (7)

1. the signal pattern structure of a single-layer touch sensor, described single-layer touch sensor has the X-axis sensing element of sensing X-axis touch signal and the Y-axis sensing element of sensing Y-axis touch signal, wherein, the conductive pattern that is used for described Y-axis sensing element is arranged a direction in the plane, the conductive pattern that is used for described X-axis sensing element is patterned in the direction relative with the conductive pattern that is used for described Y-axis sensing element, edge along described touch sensor is patterned in the direction identical with the conductive pattern that is used for described Y-axis sensing element then, wherein, X-axis conductive pattern with different X-axis values is patterned to be bridged, and the X-axis conductive pattern with different Y-axis values is patterned as and is not connected.
2. signal pattern structure according to claim 1, wherein, described X-axis conductive pattern is patterned in plate, in order to be connected with described touch sensor.
3. signal pattern structure according to claim 1, wherein, described X-axis conductive pattern with different Y-axis values is arranged in order to be not connected by the bridging board with sandwich construction.
4. signal pattern structure according to claim 1 and 2, wherein, described X-axis conductive pattern is arranged by the plate that separates, and is engaged with described touch sensor.
5. signal pattern structure according to claim 1, wherein, the Z-axis conductive pattern that engages with described X-axis conductive pattern forms single main body with described touch sensor.
6. signal pattern structure according to claim 1, wherein, described X-axis conductive pattern is formed on the two ends, top and bottom of described touch sensor.
7. signal pattern structure according to claim 1, wherein, described X-axis conductive pattern is arranged such that a plurality of X-axis signals are dispensed on the left side and right side of described touch sensor.
CN2012103308212A 2012-02-29 2012-09-07 Signal pattern structure of single multi-touch sensor Pending CN103294250A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105022534A (en) * 2014-04-24 2015-11-04 敦泰科技有限公司 Single-layer mutual-capacitor touch screen, touch screen device and electronic apparatus
CN105630259A (en) * 2014-12-01 2016-06-01 昆山国显光电有限公司 Capacitive touch screen
TWI569194B (en) * 2014-09-30 2017-02-01 瑞鼎科技股份有限公司 Capacitive touch panel having single-layer touch sensor

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KR101285686B1 (en) * 2012-09-14 2013-08-02 (주)이미지스테크놀로지 Touchscreen panel having one-layered structure of interference measurements of capacitance and remove
KR101251413B1 (en) * 2012-09-14 2013-04-30 (주)이미지스테크놀로지 Touchscreen panel having one-layered structure to minimize the impact of the transparent electrode impedance
KR101260726B1 (en) * 2012-10-05 2013-05-15 (주)이미지스테크놀로지 Touchscreen panel having one-layered structure to improve sensitivity without interference
CN108873448B (en) * 2012-10-10 2021-06-29 康宁股份有限公司 Display device with antiglare layer providing reduced sparkle appearance
KR102145961B1 (en) 2013-12-18 2020-08-20 삼성디스플레이 주식회사 Organic light emitting device

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US20030103043A1 (en) * 2001-11-30 2003-06-05 3M Innovative Properties Company System and method for locating a touch on a capacitive touch screen
CN1945516A (en) * 2005-07-08 2007-04-11 哈拉尔德·菲利普 Two-dimensional position sensor
WO2008108514A1 (en) * 2007-03-05 2008-09-12 Melfas, Inc. Touch location detecting panel having a simple layer structure
CN101866250A (en) * 2009-04-14 2010-10-20 爱特梅尔公司 Two-dimensional position sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030103043A1 (en) * 2001-11-30 2003-06-05 3M Innovative Properties Company System and method for locating a touch on a capacitive touch screen
CN1945516A (en) * 2005-07-08 2007-04-11 哈拉尔德·菲利普 Two-dimensional position sensor
WO2008108514A1 (en) * 2007-03-05 2008-09-12 Melfas, Inc. Touch location detecting panel having a simple layer structure
CN101866250A (en) * 2009-04-14 2010-10-20 爱特梅尔公司 Two-dimensional position sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105022534A (en) * 2014-04-24 2015-11-04 敦泰科技有限公司 Single-layer mutual-capacitor touch screen, touch screen device and electronic apparatus
CN105022534B (en) * 2014-04-24 2018-09-21 敦泰科技有限公司 A kind of single layer mutual capacitance touchscreens, touch panel device and electronic device
TWI569194B (en) * 2014-09-30 2017-02-01 瑞鼎科技股份有限公司 Capacitive touch panel having single-layer touch sensor
CN105630259A (en) * 2014-12-01 2016-06-01 昆山国显光电有限公司 Capacitive touch screen

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KR20120095818A (en) 2012-08-29

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Application publication date: 20130911