US20120019473A1 - Systems for displaying images - Google Patents

Systems for displaying images Download PDF

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Publication number
US20120019473A1
US20120019473A1 US12/841,123 US84112310A US2012019473A1 US 20120019473 A1 US20120019473 A1 US 20120019473A1 US 84112310 A US84112310 A US 84112310A US 2012019473 A1 US2012019473 A1 US 2012019473A1
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United States
Prior art keywords
series
sense electrodes
sense
sensing area
touch panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US12/841,123
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English (en)
Inventor
Martin John Edwards
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innolux Corp
Original Assignee
Chimei Innolux Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chimei Innolux Corp filed Critical Chimei Innolux Corp
Priority to US12/841,123 priority Critical patent/US20120019473A1/en
Assigned to CHIMEI INNOLUX CORPORATION reassignment CHIMEI INNOLUX CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: EDWARDS, MARTIN JOHN
Priority to TW100122865A priority patent/TWI441069B/zh
Priority to CN201110179811.9A priority patent/CN102346611B/zh
Publication of US20120019473A1 publication Critical patent/US20120019473A1/en
Assigned to Innolux Corporation reassignment Innolux Corporation CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: CHIMEI INNOLUX CORPORATION
Priority to US14/691,529 priority patent/US9367194B2/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections

Definitions

  • the invention relates to a touch panel display technology, and in particular to a capacitive touch sensor device for a touch panel display.
  • a touch sensor device is typically integrated with a flat panel display device (such as an LCD, AMOLED or the like) to form a touch panel display.
  • Touch panel displays are typically mounted on electronic devices, such as portable personal computers, personal digital assistants (PDAs), electronic books, projectors, mobile phones, and the like.
  • PDAs personal digital assistants
  • the touch panel display is capable of conducting input functions by a finger, a stylus, a pen, or the like.
  • touch panel displays are divided into resistive type, capacitive type, acoustic wave type, and optical type touch panel displays according to the sensing method applied, in which the capacitive touch panel display has gained an increasing amount of attention and popularity because it has good touch sensitivity and structural stability.
  • FIG. 1 illustrates a plan view of an arrangement of sense electrodes for a conventional capacitive touch sensor device.
  • the capacitive touch sensor device 100 typically includes a plurality of series of sense electrodes 101 and a plurality of series of sense electrodes 103 underlying the plurality of series of sense electrodes 101 , in which each series of sense electrodes 101 is perpendicular to each series of sense electrodes 103 as viewed from a top-view perspective.
  • Each series of sense electrodes 101 is connected to a connection line 101 a and each series of sense electrodes 103 is connected to a connection line 103 a .
  • connections lines 101 a and 103 a are disposed on a border region that is typically on two orthogonal sides of the sensor device 100 , such that the series of sense electrodes 101 can be electrically connected to external circuits (not shown) by the connections lines 101 a and 103 a.
  • connection lines in the border region are typically disposed on two orthogonal sides of the touch panel display, which fixes the width of the border region, making reduction of the dimensions of the border region very difficult.
  • An exemplary embodiment of a system for displaying images comprises a capacitive touch sensor device comprising a dielectric layer having a sensing area and covered by a transparent substrate.
  • a plurality of series of first sense electrodes and a plurality of series of second sense electrodes are embedded in a first level of the dielectric layer and within the sensing area.
  • Each series of first sense electrodes extends along a first direction and each series of second sense electrodes extends along a second direction substantially different from the first direction.
  • a plurality of signal lines are embedded in a second level lower than the first level of the dielectric layer and extends along the second direction. Each signal line is correspondingly and electrically connected to one of the plurality of series of first sense electrodes.
  • FIG. 1 is a plan view of an arrangement of sense electrodes for a conventional capacitive touch sensor device
  • FIG. 2A is a plan view of an embodiment of a system for displaying images including a capacitive touch sensor device according to the invention
  • FIG. 2B is a cross section along 2 B- 2 B′ line shown in FIG. 2A ;
  • FIG. 3 is a plan view of another embodiment of a system for displaying images including a capacitive touch sensor device according to the invention.
  • FIG. 4 is a plan view of yet another embodiment of a system for displaying images including a capacitive touch sensor device according to the invention.
  • FIG. 5 schematically shows another embodiment of a system for displaying images.
  • FIG. 2A is a plan view of an embodiment of a system for displaying images including a capacitive touch sensor device 200 according to the invention and FIG. 2B is the cross section along 2 B- 2 B′ line shown in FIG. 2A .
  • the capacitive touch sensor device 200 comprises a transparent substrate 201 , a dielectric layer 203 , a plurality of series of first sense electrodes 204 , a plurality of series of second sense electrodes 202 , and a plurality of signal lines 206 .
  • the transparent substrate 201 is directly touched by an input means, such as a finger, a stylus, a pen, or the like.
  • the transparent substrate 201 may be comprised of glass, quartz, or other flexible or inflexible polymer transparent materials.
  • the dielectric layer 203 (shown in FIG. 2B ) is covered by the transparent substrate 201 and has a sense area 203 a (shown in FIG. 2A ) for disposing sense electrodes.
  • the dielectric layer 203 may comprise a single layer, such as a silicon oxide layer, silicon nitride layer or other transparent insulating polymer layer, or multiple layers, such as stacked silicon oxide layers, silicon nitride layers, other transparent insulating polymer layers, or combination thereof.
  • each series of first sense electrodes 204 and the plurality of series of second sense electrodes 202 are embedded in a first level of the dielectric layer 203 and within the sensing area 203 a .
  • each series of first sense electrodes 204 extends along a first direction and each series of second sense electrodes 202 extends along a second direction different from the first direction.
  • the first direction is parallel to a horizontal direction with respect to FIG. 2A
  • the second direction is parallel to a vertical direction with respect to FIG. 2A , such that each series of first sense electrodes 204 is substantially perpendicular to each series of second sense electrodes 202 .
  • the second direction may not be perpendicular to the first direction.
  • each series of first sense electrodes 204 and each series of second sense electrodes 202 may be formed by patterning the same transparent conductive layer, such as an indium tin oxide (ITO) or indium zinc oxide (IZO) layer using lithography and etching processes. Moreover, two adjacent second electrodes 202 in the same series of second sense electrodes 202 are connected to each other by a connection portion 202 a that is embedded in the first level of the dielectric layer 203 and is formed of the same transparent conductive layer as the series of second sense electrodes 202 . Two adjacent first electrodes 204 in the same series of first sense electrodes 204 are connected to each other by two interconnects (e.g.
  • connection portion 204 c is embedded in a second level lower than the first level of the dielectric layer 203 and the interconnects 204 a are disposed between the first and second level of the dielectric layer 203 for electrically connecting the corresponding connection portion 204 c .
  • two interconnects 204 a are disposed under each first sense electrode 204 .
  • the connection portion 204 c is formed of a transparent conductive layer (such as an ITO or IZO layer) which is different from the layer used for formation of the series of first sense electrodes 204 .
  • the plurality of signal lines 206 are embedded in the second level of the dielectric layer 203 and extend along the second direction.
  • the plurality of signal lines 206 and the connection portions 204 c may be formed by patterning the same transparent conductive layer, such as an ITO or IZO layer using lithography and etching processes.
  • the plurality of signal lines 206 and the plurality of series of second sense electrodes 202 are alternately arranged as viewed from a top-view perspective, such that only one signal line 206 is disposed between the adjacent series of second sense electrodes 202 .
  • the signal lines 206 can be uniformly arranged over the sensing area 203 a ; thereby minimizing the visibility of the signal lines 206 .
  • the number of the plurality of series of first sense electrodes 204 may be one less than that of the plurality of series of second sense electrodes 202 .
  • the number of the plurality of series of first sense electrodes 204 may be one more than or equal to that of the plurality of series of second sense electrodes 202 .
  • Each signal line 206 is correspondingly and electrically connected to one of the plurality of series of first sense electrodes 204 .
  • each signal line 206 passes under one first sense electrode 204 in each series of first electrodes 204 .
  • each signal line 206 is electrically connected to the corresponding series of first sense electrodes 204 by an interconnect (e.g. a conductive plug/via) 204 b .
  • interconnects 204 b may be visible and make errors in the capacitance measurements if they are clustered together or arranged in a line.
  • the interconnects 204 b for each signal line 206 and the corresponding series of first sense electrodes 204 are not arranged in a line and are distributed over the sensing area 203 a as viewed from a top-view perspective to minimize the visibility of the interconnects 204 b and prevent errors in capacitance measurements.
  • a common electrode layer 208 is embedded in a third level lower than the second level of the dielectric layer 203 and corresponds to the sensing area 203 a . Namely, the common electrode layer 208 substantially overlaps the entire sensing area 203 a .
  • the common electrode layer 208 may be formed of a transparent conductive layer (such as an ITO or IZO layer) different from that for formation of the first and second sense electrodes 204 and 202 and the signal lines 206 .
  • the common electrode layer 208 and/or the plurality of first sense electrodes 204 may be electrically connected to a ground or a low impedance electrode.
  • the presence of the input means, such as a finger, a stylus, a pen, or the like, above the signal line(s) 206 has little effect on the capacitance associated with the signal line(s) 206 , and the capacitances between the plurality of the signal lines 206 and the plurality of series of second sense electrodes 202 can be reduced. Note that changes in these capacitances may produce errors in the output of the touch sensor device 200 .
  • a plurality of first connection lines 206 a corresponds to the plurality of signal lines 206 and a plurality of second connection lines 202 b corresponds to the plurality of series of second sense electrodes 202 .
  • each first connection line 206 a extends from the corresponding signal line 206 to the outside of the sensing area 203 a for electrically connecting the corresponding series of first sense electrode 204 to external circuits (not shown).
  • each second connection line 202 b extends from the corresponding series of second sense electrodes 202 to the outside of the sensing area 203 a for electrically connecting the corresponding series of second sense electrode 202 to external circuits (not shown).
  • the first connection lines 206 a may be formed of the same transparent conductive layer as that for formation of the signal line 206 .
  • the second connection line 202 b may be formed of the same transparent conductive layer as that for formation of the second sense electrode 202 .
  • the plurality of first connection lines 206 a and the plurality of second connection lines 202 b are located at the same side of the sensing area 203 . According to the foregoing embodiments, since the connection lines for electrically connecting the sense electrodes to external circuits can be arranged at the same side of the sense area of the touch sensor device, the width of the border region around the touch panel display can be reduced, and thus the dimensions of a touch panel display can also be reduced.
  • FIGS. 3 and 4 which illustrate various embodiments of a system for displaying images including a capacitive touch sensor device according to the invention. Elements in FIGS. 3 and 4 that are the same as those in FIGS. 2A to 2B are labeled with the same reference numbers as in FIGS. 2A to 2B and are not described again for brevity.
  • the touch sensor device 200 has an aspect ratio of 1:1, and thus the pitch P 1 of the adjacent series of first sense electrodes 204 is equal to the pitch P 2 of the adjacent series of second sense electrodes 202 .
  • the touch sensor device 200 has an aspect ratio of 1:1, and thus the pitch P 1 of the adjacent series of first sense electrodes 204 is equal to the pitch P 2 of the adjacent series of second sense electrodes 202 .
  • the touch sensor device 200 may not have an aspect ratio equal to 1:1, and thus the pitch P 1 of the adjacent series of first sense electrodes 204 is different from the pitch P 2 of the adjacent series of second sense electrodes 202 .
  • the touch sensor device 200 may have an aspect ratio of 4:3 or 16:9, and thus the pitch P 1 may be greater than the pitch P 2 .
  • the plurality of first connection lines 206 a and the plurality of second connection lines 202 b are located at the same side of the sensing area 203 in the embodiment shown in FIG.
  • the plurality of first connection lines 206 a and the plurality of second connection lines 202 b may be located at opposing sides of the sensing area 203 , respectively, as shown in FIG. 4 .
  • the connection lines for electrically connecting the sense electrodes to external circuits can be arranged at opposing sides, rather than orthogonal sides of the sense area of the touch sensor device, the width of the border region around a touch panel display used in portrait mode can be reduced, and thus the dimension of a touch panel display application is also reduced.
  • FIG. 5 schematically shows another embodiment of a system for displaying images which, in this case, is implemented as a touch panel display 300 or an electronic device 500 such as a projector, an electronic book, a laptop computer, a mobile phone, a digital camera, a personal digital assistant (PDA), a desktop computer, a television, a car display or a portable DVD player.
  • the described touch sensor device 200 can be incorporated into the touch panel display 300 .
  • the touch sensor device 200 can be incorporated into the electronic device 500 .
  • the electronic device 500 comprises the touch panel display 300 and an input unit 400 .
  • the input unit 400 is coupled to the touch panel display 300 and is operative to provide input signals (e.g. image signals) to the touch panel display 300 to generate images.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Position Input By Displaying (AREA)
US12/841,123 2010-07-21 2010-07-21 Systems for displaying images Abandoned US20120019473A1 (en)

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Application Number Priority Date Filing Date Title
US12/841,123 US20120019473A1 (en) 2010-07-21 2010-07-21 Systems for displaying images
TW100122865A TWI441069B (zh) 2010-07-21 2011-06-29 影像顯示系統
CN201110179811.9A CN102346611B (zh) 2010-07-21 2011-06-29 图像显示系统
US14/691,529 US9367194B2 (en) 2010-07-21 2015-04-20 Systems for displaying images

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US20140168109A1 (en) * 2012-12-14 2014-06-19 Samsung Display Co., Ltd. Touch screen panel
US8866787B2 (en) 2008-12-05 2014-10-21 Apple Inc. Integrated touch panel for a TFT display
US20150009174A1 (en) * 2013-07-02 2015-01-08 Orise Technology Co., Ltd. Touch panel with a single-layer low-complexity transparent electrode pattern and sensing method therefor
US20150138137A1 (en) * 2012-04-19 2015-05-21 Elo Touch S0Lutions, Inc. Projected capacitive touch sensor with asymmetric bridge pattern field
US20150253916A1 (en) * 2014-03-05 2015-09-10 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US20150346853A1 (en) * 2014-05-30 2015-12-03 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US20160139728A1 (en) * 2014-11-13 2016-05-19 Samsung Display Co., Ltd. Touch screen panel
US9367188B2 (en) 2014-05-23 2016-06-14 Apple Inc. RC matching in a touch screen
US9395583B2 (en) 2012-06-06 2016-07-19 Apple Inc. Column spacer design for a display incorporating a third metal layer
US20170010719A1 (en) * 2015-07-10 2017-01-12 Tpk Touch Solutions (Xiamen) Inc. Pressure sensing input equipment
US20170220178A1 (en) * 2016-02-02 2017-08-03 Shanghai Avic Opto Electronics Co., Ltd. Display panel and display device
US20170235393A1 (en) * 2012-04-19 2017-08-17 Elo Touch Solutions, Inc. Projected Capacitive Touch Sensor with Asymmetric Bridge Pattern
US9990098B2 (en) 2013-02-05 2018-06-05 Samsung Display Co., Ltd. Touch screen panel
US10268295B2 (en) 2014-04-16 2019-04-23 Apple Inc. Structure for pixelated self-capacitance
CN110308819A (zh) * 2019-06-27 2019-10-08 武汉天马微电子有限公司 显示面板和显示装置
US10609816B2 (en) * 2014-11-24 2020-03-31 Samsung Display Co., Ltd. Stretchable conductive pattern and stretchable device
US10852876B2 (en) 2014-05-28 2020-12-01 Apple Inc. Narrow border touch screen
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Cited By (32)

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US8866787B2 (en) 2008-12-05 2014-10-21 Apple Inc. Integrated touch panel for a TFT display
US9582125B2 (en) * 2012-04-19 2017-02-28 Elo Touch Solutions, Inc. Projected capacitive touch sensor with asymmetric bridge pattern field
US10126898B2 (en) * 2012-04-19 2018-11-13 Elo Touch Solutions, Inc. Projected capacitive touch sensor with asymmetric bridge pattern
US20170235393A1 (en) * 2012-04-19 2017-08-17 Elo Touch Solutions, Inc. Projected Capacitive Touch Sensor with Asymmetric Bridge Pattern
US20150138137A1 (en) * 2012-04-19 2015-05-21 Elo Touch S0Lutions, Inc. Projected capacitive touch sensor with asymmetric bridge pattern field
US10082914B2 (en) 2012-04-19 2018-09-25 Elo Touch Solutions, Inc. Method of manufacturing a touch sensitive device
US10061164B2 (en) 2012-06-06 2018-08-28 Apple Inc. Column spacer design for a display incorporating a third metal layer
US9395583B2 (en) 2012-06-06 2016-07-19 Apple Inc. Column spacer design for a display incorporating a third metal layer
US20140168109A1 (en) * 2012-12-14 2014-06-19 Samsung Display Co., Ltd. Touch screen panel
US9019232B2 (en) * 2012-12-14 2015-04-28 Samsung Display Co., Ltd. Touch screen panel
US9990098B2 (en) 2013-02-05 2018-06-05 Samsung Display Co., Ltd. Touch screen panel
US20150009174A1 (en) * 2013-07-02 2015-01-08 Orise Technology Co., Ltd. Touch panel with a single-layer low-complexity transparent electrode pattern and sensing method therefor
US9665218B2 (en) * 2013-07-02 2017-05-30 Focaltech Systems Co., Ltd. Touch panel with a single-layer low-complexity transparent electrode pattern and sensing method therefor
US20150253916A1 (en) * 2014-03-05 2015-09-10 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US9952697B2 (en) * 2014-03-05 2018-04-24 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US10268295B2 (en) 2014-04-16 2019-04-23 Apple Inc. Structure for pixelated self-capacitance
US9367188B2 (en) 2014-05-23 2016-06-14 Apple Inc. RC matching in a touch screen
US10345972B2 (en) 2014-05-23 2019-07-09 Apple Inc. RC matching in a touch screen
US10852876B2 (en) 2014-05-28 2020-12-01 Apple Inc. Narrow border touch screen
US20150346853A1 (en) * 2014-05-30 2015-12-03 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US9542054B2 (en) * 2014-05-30 2017-01-10 Tpk Touch Solutions Inc. Touch module and manufacturing method thereof
US20160139728A1 (en) * 2014-11-13 2016-05-19 Samsung Display Co., Ltd. Touch screen panel
US10203818B2 (en) * 2014-11-13 2019-02-12 Samsung Display Co., Ltd. Touch screen panel including at least one dummy pattern
US10609816B2 (en) * 2014-11-24 2020-03-31 Samsung Display Co., Ltd. Stretchable conductive pattern and stretchable device
US10698538B2 (en) * 2015-07-10 2020-06-30 Tpk Touch Solutions (Xiamen) Inc. Pressure sensing input equipment comprising electrode layer comprising plurality of pressure sensing electrodes and plurality of axial touch sensing electrodes
US20170010719A1 (en) * 2015-07-10 2017-01-12 Tpk Touch Solutions (Xiamen) Inc. Pressure sensing input equipment
US20170220178A1 (en) * 2016-02-02 2017-08-03 Shanghai Avic Opto Electronics Co., Ltd. Display panel and display device
US10545603B2 (en) * 2016-02-02 2020-01-28 Shanghai Avic Opto Electronics Co., Ltd. Display panel and display device
US10884541B2 (en) * 2016-02-02 2021-01-05 Shanghai Avic Opto Electronics Co., Ltd. Display panel and display device
CN110308819A (zh) * 2019-06-27 2019-10-08 武汉天马微电子有限公司 显示面板和显示装置
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CN102346611A (zh) 2012-02-08
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TWI441069B (zh) 2014-06-11
US20150227244A1 (en) 2015-08-13
US9367194B2 (en) 2016-06-14

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