WO2015062160A1 - Écran tactile, son procédé de fabrication et appareil d'affichage - Google Patents

Écran tactile, son procédé de fabrication et appareil d'affichage Download PDF

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Publication number
WO2015062160A1
WO2015062160A1 PCT/CN2014/000543 CN2014000543W WO2015062160A1 WO 2015062160 A1 WO2015062160 A1 WO 2015062160A1 CN 2014000543 W CN2014000543 W CN 2014000543W WO 2015062160 A1 WO2015062160 A1 WO 2015062160A1
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WO
WIPO (PCT)
Prior art keywords
substrate
terminal
opposite
array substrate
region
Prior art date
Application number
PCT/CN2014/000543
Other languages
English (en)
Chinese (zh)
Inventor
董向丹
高永益
玄明花
黄炜赟
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
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 京东方科技集团股份有限公司, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2015062160A1 publication Critical patent/WO2015062160A1/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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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

Definitions

  • Touch screen manufacturing method thereof and display device
  • the present invention relates to the field of display technologies, and in particular, to a touch screen, a method for fabricating the same, and a display device. Background technique
  • composition of the touch screen it can be divided into: an add on Mode Touch Panel, an On Cell Touch Panel, and an In Cell Touch Panel 0, wherein the overlay type touch screen is The touch electrode of the touch screen is disposed between the opposite substrate of the display screen and the polarizer, and the yield is high, and the area of the display area is not reduced; the in-cell touch screen is configured to set the touch electrode of the touch screen on the display screen. Internally, the overall thickness of the module can be reduced, and the manufacturing cost of the touch screen can be reduced.
  • the opposite substrate 1 and the array substrate 2 are oppositely disposed, and the touch electrode 3 and the first connected to the touch electrode 3 are disposed on the opposite substrate 1 side.
  • the terminal 4 is generally provided with a display signal line on the array substrate 2 side, a second connection terminal (not shown in FIG. 1) connected to the display signal line, and a third corresponding to the first connection terminal 4
  • the terminal 7 transmits the touch signal outputted from the circuit board connected thereto through the third terminal 7 to the first terminal 4, and then to the touch electrodes 3 through the first terminal 4.
  • FIG. 2 is a top view of FIG. .
  • the above touch screen requires a relatively high cost of the conductive paste 8 containing gold balls, which increases the manufacturing cost, and the first terminal 4 on the side of the opposite substrate 1 needs to pass through the first side of the array substrate 2
  • the three terminals 7 are connected to the flexible printed circuit board 9, so that the third terminal 7 provided on the side of the array substrate 2 occupies the space of the array substrate 2.
  • embodiments of the present invention provide a touch screen, a manufacturing method thereof, and a display device for implementing a low-cost touch screen.
  • an embodiment of the present invention provides a touch screen including opposite and interlaced opposite substrates and an array substrate;
  • a touch electrode is disposed in a region where the opposite substrate and the array substrate overlap;
  • a first terminal is disposed in a region where the opposite substrate and the array substrate are offset, and the first terminal and the The touch electrodes are connected;
  • a second terminal is disposed in a region where the array substrate is offset from the opposite substrate, and the second terminal is connected to the display signal line.
  • the opposite substrate and the array substrate since the opposite substrate and the array substrate are interleaved, the opposite substrate and the array substrate have mutually overlapping regions and mutually offset regions, so that the opposite substrates and arrays can be disposed on the opposite substrate and the array.
  • a touch electrode is disposed in an area where the substrate overlaps, and a first connection terminal connected to the touch electrode is disposed in a region where the opposite substrate and the array substrate are staggered, and the external circuit board is directly connected to the first connection terminal to be externally
  • the touch signal outputted on the circuit board is transmitted to the touch electrode through the first terminal, so that the first terminal on the side of the opposite substrate is not required to be electrically connected to the array substrate, thereby avoiding high use cost.
  • the conductive paste containing the gold ball reduces the manufacturing cost, and the first terminal connected to the touch electrode is disposed by using the area of the opposite substrate that needs to be cut in the prior art, so that the utilization ratio of the opposite substrate can be improved. At the same time, space occupied by the array substrate can be avoided.
  • the touch electrode and the first connection terminal are located on the same side of the opposite substrate.
  • the touch electrode is located on a side of the opposite substrate facing the array substrate; or the touch electrode is located on a side of the opposite substrate facing away from the array substrate.
  • the touch screen provided by the embodiment of the present invention further includes: a first flexible printed circuit board, wherein the first flexible printed circuit board is connected to the first connection terminal.
  • the above touch screen provided by the embodiment of the present invention further includes: a printed circuit board, the second flexible printed circuit board being connected to the second terminal.
  • the embodiment of the invention further provides a display device, which comprises the above touch screen provided by the embodiment of the invention.
  • the embodiment of the present invention further provides a method for manufacturing a touch screen, which includes:
  • the touch electrode is disposed in a region where the opposite substrate and the array substrate overlap, and the first connection terminal is disposed in a region where the opposite substrate and the array substrate are offset, and the array substrate and the pair The area overlapping the substrate has the display signal line, and the second terminal is provided in a region where the array substrate is offset from the opposite substrate.
  • the processing of the first substrate and the second substrate is performed on the box, and specifically includes:
  • the first substrate has one surface of the touch electrode and the first terminal, and one side of the second substrate having the display signal line and the second terminal is subjected to card processing.
  • the method further includes: binding the first flexible printed circuit board at the first terminal.
  • the method further includes: binding the second flexible printed circuit board at the second terminal.
  • DRAWINGS 1 is a schematic structural diagram of an in-cell touch panel in the prior art
  • FIG. 2 is a second schematic structural diagram of an in-cell touch panel in the prior art
  • FIG. 3 is a schematic structural diagram of a touch screen according to an embodiment of the present disclosure.
  • FIG. 4 is a second schematic structural diagram of a touch screen according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a facing substrate of a touch screen before being cut according to an embodiment of the present invention
  • FIG. 6 is a schematic structural view of an array substrate of a touch screen before being cut according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a counter substrate and an array substrate of a touch screen after being placed on a box according to an embodiment of the present invention. detailed description
  • each film layer in the drawings do not reflect the true ratio of the array substrate or the opposite substrate, and the purpose is merely to illustrate the contents of the present invention.
  • a touch screen provided by an embodiment of the present invention includes opposing substrates 1 and an array substrate 2 which are oppositely arranged and staggered;
  • a touch electrode 3 is disposed in a region where the opposite substrate 1 and the array substrate 2 overlap;
  • a first terminal 4 is disposed in a region 10 (shown by a broken line frame as shown in FIG. 3 and FIG. 4) of the opposite substrate 1 and the array substrate 2, and the first terminal 4 is connected to the touch electrode 3;
  • a display signal line 5 is provided in a region where the array substrate 2 and the counter substrate 1 overlap; and a region 11 (shown by a broken line frame as shown in FIGS. 3 and 4) in which the array substrate 2 and the counter substrate 1 are shifted is provided.
  • the above-mentioned touch screen provided by the embodiment of the present invention can be applied to a liquid crystal display (LCD), and can also be applied to an organic electro-optical display (OLED), which is not limited herein.
  • the display signal line 5 specifically refers to a gate line that transmits a scan signal and a data line that transmits a gray scale signal.
  • the opposite substrate 1 and the array substrate 2 have mutually overlapping regions, and the regions are mutually offset.
  • the control electrode 3 is provided with a first connection terminal 4 connected to the touch electrode 3 in a region 10 offset from the alignment substrate 1 and the array substrate 2; thus, it is not necessary to electrically connect the first connection terminal 4 on the side of the opposite substrate 1 Connecting to the array substrate 2, thereby avoiding the use of a costly gold-containing ball-containing conductive paste, reducing the manufacturing cost; and, utilizing the area of the opposite substrate that is originally required to be cut in the prior art, that is, the opposite substrate 1 and the array substrate 2 staggered area 10, to set the first terminal 4 connected to the touch electrode .3, the utilization ratio of the opposite substrate 1 can be improved; meanwhile, it is not required to be disposed and located on the side of the array substrate 2 as in the prior art.
  • the first terminal 4 connected to the touch electrode 3 in a region 10 offset from the alignment substrate 1 and the array substrate 2; thus, it is not necessary to electrically connect the first connection terminal 4
  • the touch electrode 3 and the first terminal 4 are generally disposed on the same side of the opposite substrate 1 to connect the touch electrode 3 to the corresponding first terminal 4 through the wires.
  • the touch electrode 3 may be disposed on a side of the opposite substrate 1 facing the array substrate 2, that is, the touch electrode 3 is disposed inside the display screen.
  • the pattern of the touch electrode 3 may be a rhombic pattern as shown in FIG. 5, or may be other existing touch electrode patterns, such as a strip shape, which is not limited herein.
  • the touch screen provided by the embodiment of the present invention further includes: a first flexible printed circuit board 12 electrically connected to the first connection terminal 4. Specifically, after the first flexible printed circuit board 12 is electrically connected to the touch electrode 3 on the opposite substrate 1 side through the first terminal 4, the touch signal can be input to the touch electrode 3, thereby implementing the touch function. .
  • the touch screen provided by the embodiment of the present invention further includes: a second flexible printed circuit board 13, and the second flexible printed circuit board 13 is electrically connected to the second connection terminal 6.
  • the scan signal can be input to the gate line, and the data is input.
  • the line inputs a grayscale signal to implement the display function.
  • the touch screen provided by the embodiment of the present invention can avoid the use cost by using the first flexible printed circuit board 12 and the second flexible printed circuit board 13 respectively on the opposite substrate 1 side and the array substrate 2 side.
  • High gold-containing ball conductive paste will be located on the opposite substrate
  • the first terminal 4 on one side is electrically connected to the array substrate 2 to reduce the manufacturing cost; and, the area of the opposite substrate that needs to be cut in the prior art, that is, the area where the opposite substrate 1 and the array substrate 2 are staggered 10, the first connection terminal 4 connected to the touch electrode 3 is arranged, the utilization ratio of the opposite substrate 1 can be improved; meanwhile, it is not required to be disposed on the side of the array substrate 2 and located on the opposite substrate 1 as in the prior art.
  • the first terminal 4 on the side - the corresponding third terminal can avoid the space occupied by the third terminal occupying the array substrate 2.
  • the embodiment of the present invention provides a method for fabricating a touch screen, which specifically includes:
  • Step 1 forming a plurality of opposite substrate regions 15 arranged regularly on the first substrate 14 , and forming touch electrodes 3 and first terminals 4 with the touch electrodes 3 in each of the opposite substrate regions 15 5,
  • FIG. 5 is an example in which 2x2 opposed substrate regions 15 are arranged on the first substrate 14 as an example;
  • Step 2 forming a plurality of array substrate regions 17 arranged regularly on the second substrate 16, and forming a signal line 5 for display and a second terminal 6 connected to the signal line 5 for display in each of the array substrate regions 17, such as 6,
  • FIG. 6 is an illustration of arranging 2x2 array substrate regions 17 on the second substrate 16 as an example;
  • Step 3 performing card processing on the first substrate 14 and the second substrate 16;
  • Step 4 cutting the first substrate 14 along the boundary line between the opposite substrate regions 15, respectively, forming a plurality of opposite substrates, and cutting the second substrate 16 along the boundary line between the array substrate regions 17, Forming a plurality of array substrates, as shown in FIG. 7, that is, cutting the first substrate 14 along the AA line and the BB line to form the opposite substrate, and cutting the second substrate 16 along the CC line and the DD line to form the array substrate;
  • the area overlapping the substrate and the array substrate has a touch electrode 3, and the area 10 offset from the array substrate and the array substrate has a first terminal 4, and the display signal line 5 is provided in a region where the array substrate and the opposite substrate overlap.
  • the second terminal 6 is provided in a region 11 in which the array substrate and the counter substrate are shifted.
  • the steps 1 and 2 are not sequential, and the step 1 may be performed first, or the step 2 may be performed first, or the step 2 may be performed first, and the step 1 may be performed first.
  • Step 1 and step 2; and in step 4, the first substrate may be first cut and then the second substrate may be cut, or the second substrate may be cut before the first substrate is cut, which is not limited herein.
  • the first substrate 14 and the second substrate 16 are subjected to box processing, and in the specific implementation, the first base may be The board 14 has one surface of the touch electrode 3 and the first terminal 4 facing the second substrate 16 and has a display signal line 5 and a second terminal 6 for performing the processing on the cassette; or, the first substrate 14 can be touched
  • One side of the control electrode 3 and the first terminal 4 is opposite to the second substrate 16 and has one surface of the display signal line 5 and the second terminal 6 for card processing, which is not limited herein.
  • the first flexible printed circuit board 12 may be bound at the first terminal 4 .
  • the second flexible printed circuit board 13 may be bound at the second terminal 6 .
  • the first flexible printing is respectively bound on the opposite substrate 1 side and the array substrate 2 side.
  • the circuit board 12 and the second flexible printed circuit board 13 can avoid electrically connecting the first terminal 4 on the opposite substrate 1 side to the array substrate 2 by using the costly gold-containing conductive paste, thereby reducing the manufacturing cost.
  • the first terminal 4 connected to the touch electrode 3 is provided, which can improve the pair.
  • the utilization rate of the substrate 1 at the same time, it is not necessary to provide the third terminal corresponding to the first terminal 4 on the side of the opposite substrate 1 on the side of the array substrate 2 as in the prior art, so that the first The three terminals occupy the space of the array substrate 2.
  • an embodiment of the present invention further provides a display device, which includes the above touch screen provided by the embodiment of the present invention, and the display device may be: a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, and a navigation Any product or part that has a display function.
  • the display device reference may be made to the embodiment of the above touch screen, and the repeated description is omitted.
  • the touch screen, the manufacturing method thereof and the display device provided by the embodiment of the invention are arranged such that the opposite substrate and the array substrate have mutually overlapping regions and mutually offset regions, because the opposite substrate and the array substrate are staggered.
  • the touch electrode can be disposed in a region where the opposite substrate and the array substrate overlap, and the first terminal connected to the touch electrode is disposed in a region where the opposite substrate and the array substrate are offset, so that the opposite substrate is not required to be located.
  • the first terminal is electrically connected to the array substrate, thereby avoiding the use of a higher cost gold ball
  • the conductive adhesive reduces the manufacturing cost
  • the first terminal connected to the touch electrode is disposed by using the area of the opposite substrate that needs to be cut in the prior art, thereby improving the utilization ratio of the opposite substrate and avoiding occupation.
  • the space of the array substrate Deviate from the scope and scope of this book.
  • the present invention is also intended to cover such modifications and variations as it is within the scope of the appended claims.

Abstract

La présente invention concerne un écran tactile, son procédé de fabrication et un appareil d'affichage. Puisqu'un substrat opposé et un substrat de réseau sont agencés en quinconce, ils présentent tous deux une région chevauchée et une région en quinconce. De ce fait, une électrode tactile peut être placée dans la région de chevauchement entre le substrat opposé et le substrat de réseau et un premier bornier raccordé à l'électrode tactile est placé dans la région en quinconce entre le substrat opposé et le substrat de réseau. Le premier bornier situé au niveau d'un côté du substrat opposé ne doit donc pas nécessairement être raccordé électriquement au substrat de réseau, ce qui évite la coûteuse utilisation d'un adhésif conducteur contenant des perles et réduit le coût de fabrication. De plus, le premier bornier raccordé à l'électrode tactile est placé dans une région qui, dans l'art antérieur, doit être coupée du substrat opposé, ce qui améliore l'utilisation du substrat opposé et empêche l'occupation de l'espace du substrat de réseau.
PCT/CN2014/000543 2013-10-29 2014-05-29 Écran tactile, son procédé de fabrication et appareil d'affichage WO2015062160A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310521837.6A CN103558937A (zh) 2013-10-29 2013-10-29 一种触摸屏、其制作方法及显示装置
CN201310521837.6 2013-10-29

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WO2015062160A1 true WO2015062160A1 (fr) 2015-05-07

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WO (1) WO2015062160A1 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CN103558937A (zh) * 2013-10-29 2014-02-05 京东方科技集团股份有限公司 一种触摸屏、其制作方法及显示装置
CN104317458A (zh) 2014-11-06 2015-01-28 京东方科技集团股份有限公司 触摸显示屏以及显示装置
CN104777943A (zh) * 2015-05-08 2015-07-15 京东方科技集团股份有限公司 触控显示装置
CN105954952A (zh) * 2016-07-13 2016-09-21 上海中航光电子有限公司 一种显示装置、显示面板及其制作方法
CN107728848A (zh) 2017-10-31 2018-02-23 武汉华星光电技术有限公司 内嵌式触控显示面板
CN108170313B (zh) * 2017-12-29 2020-12-08 业成科技（成都）有限公司 触控膜及其制作方法、触控面板及其电路板和穿戴设备

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CN101339314A (zh) * 2008-08-13 2009-01-07 友达光电股份有限公司 触控式显示面板、光电装置及其制造方法
CN101673013A (zh) * 2008-09-12 2010-03-17 乐金显示有限公司 包括触摸面板的液晶显示器件
CN101910987A (zh) * 2008-03-31 2010-12-08 夏普株式会社 显示装置和具备其的电子设备以及触摸面板
CN102692766A (zh) * 2012-04-10 2012-09-26 友达光电股份有限公司 显示面板及其制作方法
CN103336635A (zh) * 2013-05-13 2013-10-02 京东方科技集团股份有限公司 一种电容式内嵌触摸屏及显示装置
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CN101261379A (zh) * 2008-02-01 2008-09-10 信利半导体有限公司 电容式触摸屏及包含该触摸屏的触摸显示器件

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CN101910987A (zh) * 2008-03-31 2010-12-08 夏普株式会社 显示装置和具备其的电子设备以及触摸面板
CN101339314A (zh) * 2008-08-13 2009-01-07 友达光电股份有限公司 触控式显示面板、光电装置及其制造方法
CN101673013A (zh) * 2008-09-12 2010-03-17 乐金显示有限公司 包括触摸面板的液晶显示器件
CN102692766A (zh) * 2012-04-10 2012-09-26 友达光电股份有限公司 显示面板及其制作方法
CN103336635A (zh) * 2013-05-13 2013-10-02 京东方科技集团股份有限公司 一种电容式内嵌触摸屏及显示装置
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