GB201209728D0 - Multi-touch sensing panel - Google Patents

Multi-touch sensing panel

Info

Publication number
GB201209728D0
GB201209728D0 GBGB1209728.3A GB201209728A GB201209728D0 GB 201209728 D0 GB201209728 D0 GB 201209728D0 GB 201209728 A GB201209728 A GB 201209728A GB 201209728 D0 GB201209728 D0 GB 201209728D0
Authority
GB
United Kingdom
Prior art keywords
intersection points
touch sensing
touch
sensing panel
conductors
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.)
Granted
Application number
GBGB1209728.3A
Other versions
GB2502594A (en
GB2502594B (en
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.)
Zytronic Displays Ltd
Original Assignee
Zytronic Displays Ltd
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 Zytronic Displays Ltd filed Critical Zytronic Displays Ltd
Priority to GB1209728.3A priority Critical patent/GB2502594B/en
Publication of GB201209728D0 publication Critical patent/GB201209728D0/en
Priority to PCT/GB2013/051438 priority patent/WO2013179042A2/en
Publication of GB2502594A publication Critical patent/GB2502594A/en
Application granted granted Critical
Publication of GB2502594B publication Critical patent/GB2502594B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G06F3/0443—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
    • G06F3/044—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
    • G06F3/0446—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
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

Abstract

A touch sensing panel for a display screen includes a panel that has electrically isolated conductors (200, 202) that cross each other at intersection points. A touch detector is arranged to detect a users touch by detecting a reduction in energy transferred by capacitive coupling between the conductors at an intersection point. Each of the electrically isolated conductors includes a conducting wire that follows a non-linear path between a pair of intersection points, such as a serpentine path that provides a substantially uniform density of coverage of area between the intersection points. The conducting wires may be individually insulated. The non linear path may include at least one straight section arranged to reduce the appearance of moire patterns.
GB1209728.3A 2012-05-31 2012-05-31 Multi-touch sensing panel Active GB2502594B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1209728.3A GB2502594B (en) 2012-05-31 2012-05-31 Multi-touch sensing panel
PCT/GB2013/051438 WO2013179042A2 (en) 2012-05-31 2013-05-30 Multi-touch sensing panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1209728.3A GB2502594B (en) 2012-05-31 2012-05-31 Multi-touch sensing panel

Publications (3)

Publication Number Publication Date
GB201209728D0 true GB201209728D0 (en) 2012-07-18
GB2502594A GB2502594A (en) 2013-12-04
GB2502594B GB2502594B (en) 2016-10-26

Family

ID=46582158

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1209728.3A Active GB2502594B (en) 2012-05-31 2012-05-31 Multi-touch sensing panel

Country Status (2)

Country Link
GB (1) GB2502594B (en)
WO (1) WO2013179042A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9389258B2 (en) 2011-02-24 2016-07-12 Parade Technologies, Ltd. SLIM sensor design with minimum tail effect
WO2012128893A1 (en) 2011-02-24 2012-09-27 Cypress Semiconductor Corporation Single layer touch sensor
US8866491B2 (en) 2011-02-24 2014-10-21 Cypress Semiconductor Corporation Tail effect correction for SLIM pattern touch panels
US9658726B2 (en) 2014-07-10 2017-05-23 Cypress Semiconductor Corporation Single layer sensor pattern
WO2016025209A1 (en) * 2014-08-11 2016-02-18 3M Innovative Properties Company Capacitive touch sensor apparatus
US9958996B2 (en) * 2016-01-29 2018-05-01 Displax S.A. Capacitive touch sensor
GB201707478D0 (en) 2017-05-10 2017-06-21 Zytronic Displays Ltd Display arrangement
GB201816370D0 (en) * 2018-10-08 2018-11-28 Zytronic Displays Ltd Button supply

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2857813B2 (en) * 1992-02-26 1999-02-17 東京特殊電線株式会社 Transparent digitizer sensor plate
US7129935B2 (en) * 2003-06-02 2006-10-31 Synaptics Incorporated Sensor patterns for a capacitive sensing apparatus
JP4463013B2 (en) * 2004-06-09 2010-05-12 日本写真印刷株式会社 Narrow frame touch panel circuit forming apparatus and circuit forming method using the same
US20120105370A1 (en) * 2005-12-12 2012-05-03 Nupix, LLC Electroded Sheet for a Multitude of Products
US8599150B2 (en) * 2009-10-29 2013-12-03 Atmel Corporation Touchscreen electrode configuration
US8963561B2 (en) * 2011-11-03 2015-02-24 Atmel Corporation Randomizing one or more micro-features of a touch sensor

Also Published As

Publication number Publication date
GB2502594A (en) 2013-12-04
WO2013179042A2 (en) 2013-12-05
GB2502594B (en) 2016-10-26
WO2013179042A3 (en) 2014-04-03

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