WO2018076264A1 - Écran tactile et son procédé de fabrication - Google Patents

Écran tactile et son procédé de fabrication Download PDF

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Publication number
WO2018076264A1
WO2018076264A1 PCT/CN2016/103709 CN2016103709W WO2018076264A1 WO 2018076264 A1 WO2018076264 A1 WO 2018076264A1 CN 2016103709 W CN2016103709 W CN 2016103709W WO 2018076264 A1 WO2018076264 A1 WO 2018076264A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
pattern
touch screen
irregular edge
substrate
Prior art date
Application number
PCT/CN2016/103709
Other languages
English (en)
Chinese (zh)
Inventor
陈刚
包春贵
Original Assignee
深圳市柔宇科技有限公司
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 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2016/103709 priority Critical patent/WO2018076264A1/fr
Priority to CN201680036286.6A priority patent/CN107820594A/zh
Publication of WO2018076264A1 publication Critical patent/WO2018076264A1/fr

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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
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • 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
    • 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
    • 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
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • 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

Definitions

  • the present invention relates to the field of touch sensor manufacturing technologies, and in particular, to a touch screen and a method of fabricating the same.
  • the existing touch screens are generally regular rectangles, and thus the sensing electrodes and the driving electrodes of the touch screen are also arranged in a regular shape, for example, the driving electrodes and the sensing electrodes are arranged in a rectangular shape.
  • the existing processing method is to cut off the excess electrode directly along the irregular edge. This way some of the electrodes are partially cut and some are left behind.
  • the electrode that is cut during the cutting process is prone to damage, and the remaining part may also be cut when the cutting is performed, resulting in failure to work properly, thereby affecting the touch effect at the edge position; Waste.
  • the present application provides a touch screen and a manufacturing method thereof, which prevent the electrodes from being partially cut and cause normal operation, thereby ensuring the touch effect at the edge position.
  • the present application provides a touch screen comprising a substrate, the substrate is provided with an irregular edge, and the substrate is provided with an electrode, the electrode being close to the irregular edge and provided with a spacing between the irregular edge.
  • the substrate is further provided with leads connected to the electrodes, the leads being close to the irregular edges and spaced apart from the irregular edges.
  • Another electrode disposed on the substrate, the other electrode being away from the irregular edge, and the area of the electrode is smaller than the area of the other electrode.
  • the shape of the electrode is different from the shape of the other electrode.
  • one electrode is triangular and the other electrode is diamond shaped.
  • the method further includes a further electrode disposed on the substrate, and the other electrode is adjacent to the irregular edge, and the area of the electrode is larger than the area of the further electrode.
  • the electrode includes a sensing electrode and a driving electrode, the sensing electrode includes a first end near the irregular edge, and the driving electrode includes a second end near the irregular edge, the first end and the irregular edge The distance of the rim is greater than the distance between the second end and the irregular edge.
  • the number of the electrodes is plural, and the shape of the electrodes changes according to the shape of the irregular edge.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • the touch screen manufacturing method provided by the present application includes:
  • An electrode is fabricated according to the new electrode arrangement pattern.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • An electrode identical to the above-described new electrode array pattern is formed on the substrate through a mask.
  • the same electrode as the above-mentioned new electrode arrangement pattern is formed on the substrate through the mask, including:
  • the electrode is then patterned by masking the conductive layer.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • a new electrode arrangement pattern is etched on the conductive layer by laser laser.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • the same electrode as the above-described new electrode array pattern is formed directly on the substrate by precision printing.
  • the electrode pattern located on the irregular edge is adjusted, including:
  • the electrode pattern is shortened to form the pitch.
  • the electrode pattern located on the irregular edge is adjusted, including:
  • the electrode pattern located at the irregular edge is removed.
  • the substrate is further provided with another electrode pattern away from the irregular edge, and the area of the other electrode pattern is larger than the area of the adjusted electrode pattern.
  • the method further includes:
  • the lead pattern of the electrode on the irregular edge is adjusted to separate the lead pattern from the irregular edge.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • the touch screen manufacturing method provided by the present application adopts an electrode shape that first defines an electrode pattern and then forms a substrate shape adapted to an irregular edge, thereby ensuring that the electrodes at the edge of the touch screen are complete, and avoiding electrode damage caused by cutting the electrode first. It affects the touch effect of the touch screen edge.
  • FIG. 1 is a schematic view of a touch screen of the present invention, specifically illustrating an electrode arrangement on a substrate.
  • FIG. 2 is an illustration of an embodiment of the electrode shape of the touch screen of FIG. 1.
  • FIG. 3 is a flow chart of a method of manufacturing a touch screen of the present invention.
  • the present invention provides a touch screen including a substrate 10, the substrate 10 is provided with an irregular edge 11, and the substrate 10 is provided with an electrode, the electrode is close to the irregular edge 11 and is A spacing is provided between the irregular edges 11.
  • Another electrode is further disposed on the substrate 10, and the other electrode is away from the irregular edge 11, the shape of the electrode is different from the shape of the other electrode; and the area of the electrode is smaller than the area of the other electrode.
  • the substrate 10 is provided with a plurality of first electrodes 12 and a second electrode 13 interposed between each of the two first electrodes 12, the first electrode 12 And/or a spacing is provided between the second electrode 13 and the at least one irregular edge 11.
  • the first electrode 12 and the second electrode 13 are covered with a protective layer.
  • the first electrode 12 is a sensing electrode and the second electrode 13 is a driving electrode.
  • the protective layer is a layer of transparent optical adhesive material and is covered with a flexible or non-flexible cover to protect the first electrode 12 and the second electrode 13.
  • the substrate 10 is a substrate made of a flexible material, so that the touch screen as a whole is also flexible, and can be bent according to actual needs to meet the application requirements of different occasions.
  • the sensing electrode includes a first end proximate the irregular edge
  • the driving electrode includes a second end proximate the irregular edge, the first end being at a greater distance from the irregular edge 11 than the second end is from the irregular edge 11.
  • the sensing electrode having the first end and the driving electrode having the second end respectively refer to the first electrode 12 and the second electrode 13 which are closest to the irregular edge 11 on the leftmost side shown in FIG.
  • the touch screen includes an electrode and another electrode.
  • the electrode is near the irregular edge and the other electrode is away from the irregular edge.
  • the area of the electrode is smaller than the area of the other electrode.
  • the touch screen further includes a further electrode disposed on the substrate 10, and another electrode is adjacent to the irregular edge 11.
  • the area of the electrode is larger than the area of the further electrode.
  • the other electrode and the electrode are the same type of electrodes, that is, the first electrode 12 or the second electrode 13.
  • the electrode and the further electrode refer to the uppermost second electrode 13 and the uppermost left second electrode 13 shown in FIG. 1, respectively.
  • a spacing is provided between the first electrode 12 and the second electrode 13 and the irregular edge 11 , and the spacing is determined to ensure that the irregular edge 11 does not extend to contact with the first electrode 12 and the second electrode 13 and is larger than The safe distance is enough.
  • the irregular edge 11 referred to in the present invention refers to all shapes except a straight line, such as an arc, a wave, a triangle, and the like.
  • the shape or arrangement of the portion of the first electrode 12 close to the irregular edge 11 varies with the shape of the irregular edge 11.
  • the first electrode 12 is a strip electrode and extends along the first direction A.
  • the area of the first electrode 12 adjacent to the irregular edge 11 is smaller than the area of the first electrode 12 away from the irregular edge. . That is, the first electrode 12 near the irregular edge 11 avoids the irregular edge 11 by reducing the area at the position of the irregular edge 11, thereby constituting the pitch.
  • the plurality of first electrodes 12 are sequentially arranged from left to right, and each of the first electrodes is connected to the control chip through a lead 121.
  • the first electrode 12 is a sensing electrode.
  • the second electrode 13 includes a plurality of electrodes arranged in a column smaller than the first electrode 12, and an electrode arrangement or shape close to the irregular edge 11 follows the shape of the irregular edge 11 And change.
  • the second electrode 13 includes a plurality of electrodes 131 arranged in a matrix, and the area of the electrode 131 near the irregular edge 11 is smaller than the area of the electrode 131 away from the irregular edge 11, thereby forming the spacing.
  • the electrode 131 is rectangular, a plurality of electrodes in each column in the matrix are arranged along the first direction, and each column electrode of the second electrode 13 extends along the first direction and is located at every two first Between the electrodes 12.
  • the first electrode 12 is insulated from the second electrode 13.
  • Each of the second electrodes 13 is connected to the control chip via a lead 132.
  • the substrate 10 is further provided with leads 121, 132 connected to the electrodes, and the leads 121, 132 are close to the irregular edge 11 and spaced apart from the irregular edge 11.
  • the leads 121, 132 of the first electrode 12 and the second electrode 13 are spaced apart from the irregular edge 11 to prevent the occurrence of a disconnection from causing failure of the connected first electrode 12 or second electrode 13.
  • the first electrode 12 and the second electrode 13 are plural, and are rectangular or triangular or diamond-shaped, and are regularly arranged, adjacent to the first electrode 12 and the second electrode of the irregular edge 11 .
  • the size and shape vary depending on the degree of irregularity of the irregular edge 11, as long as the first electrode 12 and the second electrode 13 which are spaced apart from the irregular edge 11 are ensured to be intact. In particular, the closer the electrodes 12, 13 are to the irregular edge 11, the smaller the area retained.
  • the first electrode near the irregular edge 11 is directly removed. 12 and the second electrode 13, such that the first electrode 12 and the second electrode 13 located below the removed first electrode 12 and the second electrode 13 also form a pitch. It is also ensured that each of the first electrode 12 and the second electrode 13 is complete.
  • the electrode arrangement and the lead arrangement method of the selected sensing electrode and the driving electrode are applied to the touch screen without the edge rule, and the current edge is cut directly along the irregular edge.
  • the excess electrode is removed and the lead is cut and cannot work normally, it can be ensured that the electrode and the lead of the edge are intact, and the touch effect that affects the edge position is avoided.
  • there is no possibility that the electrode is exposed due to the direct cutting, and the electrode is exposed to the outside, thereby avoiding the situation of easy failure.
  • first electrode 12 and the second electrode 13 are covered with a protective layer to prevent the first electrode 12 and the second electrode 13 from being affected by the external environment.
  • the present application further provides a method for manufacturing the touch screen for manufacturing the same.
  • An electrode is fabricated according to the new electrode arrangement pattern.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • Step S1 presetting the arrangement pattern of the first electrode 12 and the second electrode 13 on the substrate 10;
  • Step S2 dividing the irregular edge of the substrate 10;
  • Step S3 adjusting or removing the shape of the first electrode 12 pattern and the second electrode 13 pattern on the irregular edge 11 to form a new electrode arrangement pattern
  • step S4 the first electrode and the second electrode are fabricated according to the electrode arrangement pattern.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • An electrode identical to the above-described new electrode array pattern is formed on the substrate through a mask.
  • the electrode including the first electrode 12 and the second electrode 13 is formed on the substrate 10 by the mask, that is, the conductive layer is patterned by the mask to form the first electrode 12 and Second electrode 13.
  • the first electrode 12 and the second electrode 13 have a spacing from the irregular edge 11.
  • the same electrode as the above-mentioned new electrode arrangement pattern is formed on the substrate 10 through a mask, including:
  • the electrode is then patterned by masking the conductive layer.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • a new electrode arrangement pattern is etched on the conductive layer by laser laser.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • the same electrode as the above-described new electrode array pattern is directly printed on the substrate 10 by precision printing. That is, an electrode including the first electrode 12 and the second electrode 13 which is the same as the electrode array pattern described above is directly printed on the substrate 10 by precision printing.
  • Adjusting the electrode pattern on the irregular edge including:
  • the electrode pattern is shortened to form the pitch.
  • the first electrode 12 and the second electrode 13 located at the irregular edge 11 are different in size or shape from the electrodes at other positions.
  • Adjusting the electrode pattern located on the irregular edge 11 further includes:
  • the electrode pattern located at the irregular edge is removed.
  • the substrate 10 is further provided with another electrode pattern away from the irregular edge 11 , and the area of the other electrode pattern is larger than the area of the adjusted electrode pattern.
  • the method further includes:
  • the lead pattern of the electrode on the irregular edge 11 is adjusted to separate the lead pattern from the irregular edge. Specifically, the step of adjusting the lead according to the adjusted first electrode 12 and second electrode 13 is performed. Since some of the electrodes are not adjusted after adjustment, the leads may still exceed the irregular edges 11, so the leads need to be adjusted for these electrodes so that the leads are also spaced from the irregular edges 11.
  • the irregular edge 11 can be avoided by shortening.
  • the area outside the irregular edge 11 accounts for less than 80% of the original area, and the electrode can be shortened.
  • the limits that are removed or shortened can also be adapted according to actual needs, but preferably do not exceed 80%. That is, if more than 80% of the area is outside the irregular edge, then the electrode is directly removed, otherwise the shortening process is performed.
  • the electrodes are ensured to be enclosed within the protective layer without being exposed. Also, the adjusted leads can be ensured to remain connected.
  • the touch screen manufacturing method provided by the present application firstly defines an electrode pattern and then forms an electrode shape adapted to the shape of the substrate of the irregular edge 11 to avoid electrode damage caused by forming the electrode and then cutting, thereby affecting the edge touch effect of the touch screen.

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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)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)

Abstract

L'invention concerne un écran tactile, comprenant un substrat (10), le substrat (10) étant pourvu d'un bord irrégulier (11), des électrodes (12, 13) étant disposées sur le substrat (10), les électrodes (12, 13) étant proches du bord irrégulier (11) et un espace étant formé entre les électrodes et le bord irrégulier (11). L'invention concerne également un procédé de fabrication dudit écran tactile.
PCT/CN2016/103709 2016-10-28 2016-10-28 Écran tactile et son procédé de fabrication WO2018076264A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2016/103709 WO2018076264A1 (fr) 2016-10-28 2016-10-28 Écran tactile et son procédé de fabrication
CN201680036286.6A CN107820594A (zh) 2016-10-28 2016-10-28 触摸屏及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/103709 WO2018076264A1 (fr) 2016-10-28 2016-10-28 Écran tactile et son procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2018076264A1 true WO2018076264A1 (fr) 2018-05-03

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PCT/CN2016/103709 WO2018076264A1 (fr) 2016-10-28 2016-10-28 Écran tactile et son procédé de fabrication

Country Status (2)

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CN (1) CN107820594A (fr)
WO (1) WO2018076264A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568942A (zh) * 2019-05-02 2019-12-13 义隆电子股份有限公司 发光触摸板
CN112779522A (zh) * 2020-12-28 2021-05-11 芯思杰技术(深圳)股份有限公司 镀膜装置及镀膜方法

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN101719038A (zh) * 2009-12-30 2010-06-02 友达光电股份有限公司 触控显示面板以及触控基板
US20100182275A1 (en) * 2009-01-20 2010-07-22 Hitachi Displays, Ltd. Display device
CN102209944A (zh) * 2009-01-07 2011-10-05 夏普株式会社 触摸面板装置及其制造方法、以及显示装置
CN102955603A (zh) * 2011-08-17 2013-03-06 宸鸿科技(厦门)有限公司 触控面板及其制造方法
CN203299792U (zh) * 2013-05-27 2013-11-20 阿尔卑斯电气株式会社 静电电容式输入装置
CN104182104A (zh) * 2013-05-27 2014-12-03 胜华科技股份有限公司 触控板

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* Cited by examiner, † Cited by third party
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CN102508584A (zh) * 2011-09-30 2012-06-20 汕头超声显示器（二厂）有限公司 具有装饰图案的单片式电容触摸屏及其制造方法
TWM515150U (zh) * 2015-07-22 2016-01-01 聯陽半導體股份有限公司 觸控電極層

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102209944A (zh) * 2009-01-07 2011-10-05 夏普株式会社 触摸面板装置及其制造方法、以及显示装置
US20100182275A1 (en) * 2009-01-20 2010-07-22 Hitachi Displays, Ltd. Display device
CN101719038A (zh) * 2009-12-30 2010-06-02 友达光电股份有限公司 触控显示面板以及触控基板
CN102955603A (zh) * 2011-08-17 2013-03-06 宸鸿科技(厦门)有限公司 触控面板及其制造方法
CN203299792U (zh) * 2013-05-27 2013-11-20 阿尔卑斯电气株式会社 静电电容式输入装置
CN104182104A (zh) * 2013-05-27 2014-12-03 胜华科技股份有限公司 触控板

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568942A (zh) * 2019-05-02 2019-12-13 义隆电子股份有限公司 发光触摸板
CN110568942B (zh) * 2019-05-02 2023-05-26 义隆电子股份有限公司 发光触摸板
CN112779522A (zh) * 2020-12-28 2021-05-11 芯思杰技术(深圳)股份有限公司 镀膜装置及镀膜方法
CN112779522B (zh) * 2020-12-28 2023-11-28 芯思杰技术(深圳)股份有限公司 镀膜装置及镀膜方法

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