CN102446012A - Touch panel structure and touch display panel - Google Patents

Touch panel structure and touch display panel Download PDF

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Publication number
CN102446012A
CN102446012A CN2010105056819A CN201010505681A CN102446012A CN 102446012 A CN102446012 A CN 102446012A CN 2010105056819 A CN2010105056819 A CN 2010105056819A CN 201010505681 A CN201010505681 A CN 201010505681A CN 102446012 A CN102446012 A CN 102446012A
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CN
China
Prior art keywords
electrode
ground
substrate
touch
control component
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Granted
Application number
CN2010105056819A
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Chinese (zh)
Other versions
CN102446012B (en
Inventor
林明传
王天男
王盈启
林永常
林林
王文宏
蔡佩芳
陈世正
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.)
LIANSHENG (CHINA) TECHNOLOGY CO LTD
Wintek Corp
Original Assignee
LIANSHENG (CHINA) TECHNOLOGY CO LTD
Wintek Corp
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Publication date
Application filed by LIANSHENG (CHINA) TECHNOLOGY CO LTD, Wintek Corp filed Critical LIANSHENG (CHINA) TECHNOLOGY CO LTD
Priority to CN201010505681.9A priority Critical patent/CN102446012B/en
Publication of CN102446012A publication Critical patent/CN102446012A/en
Application granted granted Critical
Publication of CN102446012B publication Critical patent/CN102446012B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a touch panel structure, which comprises a substrate, wherein a touch component is arranged on one side of the substrate, and a first grounding electrode is arranged on the side of the substrate provided with the touch component. The first grounding electrode encircles the touch component, an insulation layer is covered on the touch component and the first grounding electrode, and a second grounding electrode is covered on one face of the insulation layer opposite to the touch component and the first grounding electrode or on one face of the substrate opposite to the touch component. Static discharge is led to the grounding terminal of a circuit component through the first grounding electrode and the second grounding electrode, so that a touch panel can be protected from excessive electrical stress damage.

Description

Touch panel structure provided and touch-control display panel
Technical field
The present invention is relevant for a kind of touch panel structure provided and touch-control display panel; Especially finger is a kind of is provided with ground structure in contact panel; Can be with static discharge (Electrostatic Discharge; ESD) be directed to the earth terminal (ground) of circuit component, avoid contact panel to suffer the touch panel structure provided of excessively electrical stress rupture.
Background technology
In recent years, along with development trend user-friendly for operation, simplicity, the touch control display apparatus that has contact panel is applied in production and the life more and more widely.Owing to the user can pass through direct mode input signal with hand or other objects contact touch control display apparatus, thereby minimizing even elimination user greatly facilitate user's operation to the dependence of other input medias (like keyboard, mouse, telepilot etc.).
Contact panel comprises polytypes such as resistance-type, condenser type, sound wave type, infrared-type, and is widely used in the consumption electronic products such as mobile phone, personal digital assistant.Because contact panel directly contacts extraneous input object (for example finger or pointer); Therefore be easy to produce static discharge and destroy the metal electrode and the circuit of contact panel inside, cause contact panel misoperation and permanent damage, even static charge is scurried to system; Destroy the control IC of contact panel; And then be corrupted to more built-in system device, therefore, how effectively to guide or the eliminating static discharge; The protection contact panel is avoided static discharge and is destroyed, and is the important topic that the art technology personage is eager to solve always.
Summary of the invention
Because the disappearance of prior art, the present invention proposes a kind of touch panel structure provided and touch-control display panel, is provided with ground structure in contact panel, can static discharge be directed to the earth terminal of circuit component, avoids contact panel to suffer excessively electrically stress rupture.
For achieving the above object, the present invention proposes a kind of touch panel structure provided, and it comprises a substrate; One side in substrate is provided with a touch control component; The one side that is provided with touch control component in substrate is provided with one first ground-electrode, and first ground-electrode surrounds touch control component, on the touch control component and first ground-electrode, is coated with an insulation course; In insulation course in contrast to this touch control component and the one side of first ground-electrode, or the one side in substrate in contrast to touch control component is covered with one second ground-electrode.
The present invention proposes a kind of touch-control display panel in addition; It comprises a substrate; One side in substrate is provided with a touch control component, and the one side that is provided with touch control component in substrate is provided with one first ground-electrode, and first ground-electrode surrounds touch control component; On the touch control component and first ground-electrode, be coated with an insulation course; In insulation course in contrast to this touch control component and the one side of first ground-electrode, or the one side in substrate in contrast to touch control component is covered with one second ground-electrode, and is provided with a display in second ground-electrode.By first and second ground-electrode static discharge is directed to the earth terminal of circuit component, can avoids contact panel or touch-control display panel to suffer excessively electrically stress rupture.
Compared with prior art; Touch panel structure provided and touch-control display panel of the present invention; Be provided with ground structure in contact panel; Can (Electrostatic Discharge ESD) be directed to the earth terminal (ground) of circuit component, avoids contact panel to suffer excessively electrically stress rupture with static discharge.
For making your juror further understanding and approval arranged for structure purpose of the present invention and effect, cooperate diagram to specify now as after.
Description of drawings
Fig. 1 is the Facad structure synoptic diagram of the embodiment of the invention;
Fig. 2 is the section structure synoptic diagram of the embodiment of the invention;
Fig. 3 is the section structure synoptic diagram of another embodiment of the present invention;
Fig. 4 is the structural representation that the embodiment of the invention combines LCD;
Fig. 5 is the structural representation with contact panel combination LCD of double layer substrate;
Fig. 6 is that induction electrode is arranged at the touch panel structure provided of LCD colored filter side group plate top.
Description of reference numerals: 10-contact panel; The 11-substrate; 12-first induction electrode; 13-second induction electrode; 14-first cabling; 15-second cabling; The 16-insulation course; 17-first ground-electrode; 171-first end; 172-second end; The 18-insulation course; 19-second ground-electrode; The 20-circuit component; 21-first ground wire; 22-second ground wire; The 23-connecting line; The 30-LCD; The 31-colored filter substrate; The 32-colored filter; The 33-common electrode; The 34-liquid crystal layer; The 35-electric crystal array film substrate; The 40-contact panel; The 41-upper substrate; The 42-infrabasal plate; The last induction electrode of 43-; Induction electrode under the 44-; 45-first ground-electrode; 46-second ground-electrode; The 50-contact panel; The 51-substrate; 52-first induction electrode; 54-first cabling; 55-second cabling; The 56-insulation course; 57-first ground-electrode; The 58-insulation course; 59-second ground-electrode; The G-earth terminal.
Embodiment
Below will be with reference to the graphic the present invention of description who encloses for reaching employed technological means of purpose and effect, and below graphic cited embodiment be merely aid illustration, in order to your juror understand, but that the technological means of this case is not limited to is cited graphic.
At first see also shown in Figure 1; Contact panel 10 provided by the present invention can electrically connect with a circuit component 20, in present embodiment; Circuit component 20 is a flexible circuit board; In addition, circuit component 20 also can be control IC or system and device, and circuit component 20 has one first ground wire 21, one second ground wire 22; Between first ground wire 21 and second ground wire 22, be provided with earth terminal (ground) G (as shown in Figure 2) that multi-link line 23, the first ground wires 21 and second ground wire 22 are connected to circuit component 20.And on product is used, can use by resin, printing ink or type decorative layer that the brill material is made to cover lead.
See also illustrated in figures 1 and 2ly, contact panel 10 comprises the substrate 11 (as shown in Figure 2) of a transparent material, substrate 11 can adopt colored optical filtering substrates, overlay (Cover Lens) or polaroid one of them, wherein overlay can be the material of glass or plastic cement.The one side of substrate 11 (showing substrate 11 bottom surfaces like Fig. 2) is provided with touch control component; Touch control component mainly is made up of many first induction electrodes 12, many second induction electrodes 13, many first cablings 14, many second cablings 15; Wherein many first induction electrodes 12, many second induction electrodes 13 are crisscross arranged in substrate 11 bottom surfaces, and 13 of many second induction electrodes are to constitute through second cabling 15 to be electrically connected.Second cabling 15 is provided with insulation course 16, strides for first cabling 14 and is located at second cabling, 15 tops, electrically connects many first induction electrodes 12 by this and avoids first cabling 14 and the 15 formation short circuits of second cabling.Shown in first figure, the connecting line 23 that first cabling 14 and second cabling 15 extend to a lateral margin (substrate 11 root edges as shown in Figure 1) and the circuit component 20 of substrate 11 is interconnected to form and electrically conducts.
Secondly; Be provided with one first ground-electrode 17 (hatched example areas as shown in Figure 1) in above-mentioned touch control component periphery; First ground-electrode 17 is arranged at the one side that substrate 11 is provided with touch control component; And first ground-electrode 17 is located in the touch control component periphery, and is to expose the lateral border of first ground-electrode 17 to the open air, as shown in Figure 1; First ground-electrode 17 has one first end 171 and one second end 172; First end 171 and second end 172 extend to a lateral margin (substrate 11 root edges as shown in Figure 1) of substrate 11, and first ground wire, 21, the second ends 172 that first end 171 is connected in circuit component 20 are connected in second ground wire 22 of circuit component 20; First ground-electrode, the 17 formed spaces that first end 171 and second end are 172 can be surrounded on first induction electrode 12, second induction electrode 13, first cabling 14, second cabling 15 in it, again in first induction electrode 12, second induction electrode 13, first cabling 14, second cabling 15 and first ground-electrode, 17 surface coverage, one insulation course 18 (as shown in Figure 2).Insulation course 18 is provided with one second ground-electrode, 19, the second ground-electrodes 19 in contrast to the one side (that is Fig. 2 shows insulation course 18 bottom surfaces) of the touch control component and first ground-electrode 17 and covers insulation course 18 fully and be electrically connected with first ground wire 21 and second ground wire 22 of electronic installation 20.
Fig. 3 is another embodiment of touch control component configuration, is the production order of first cabling 14 with the difference of Fig. 2.In the present embodiment, form first cabling 14 that electrically connects many first induction electrodes 12 earlier, form insulation course 16, many first induction electrodes 12 and many second induction electrodes 13 more in regular turn.Mandatory declaration be, when contact panel when making metallic bone first cabling 14, first ground-electrode 17 is made in the change that sees through the light shield pattern simultaneously; Can under the condition that does not increase fabrication steps, accomplish; Avoid increasing any cost, in addition, first ground-electrode 17 and second ground-electrode 19 can be selected to be connected in first ground wire 21 or second ground wire 22 one of them gets final product; Do not limit the bilateral connected mode of diagram; In like manner, if when the circuit component that is connected only has an earth terminal, then need earth terminal of order to get final product; If the circuit component that is connected has three or during more than three earth terminal, also can according to the actual needs design connect one of them, a plurality of or connect whole earth terminals.
See also the structural representation that the present invention shown in Figure 4 combines LCD; LCD 30 comprises a colored filter substrate (Color Filter Substrate) 31, one colored filter (Color Filter) 32, community electrode (Common Electrode) 33, one liquid crystal layer (Liquid Crystal) 34 and one electric crystal array film substrate (TFT-Array Substrate) 35; Touch panel structure provided being arranged on the colored filter substrate 31 provided by the invention; Protection by first ground-electrode 17 that surrounds formula; The earth terminal G of static discharge transporting to the circuit component 20 (being shown among Fig. 1) that can the external world be produced; Second ground-electrode 19 that is positioned at contact panel 10 bottoms then forms screen layer; The signal that can suppress between the common electrode 33 of contact panel 10 and below LCD 30 disturbs, and therefore can promote the ability of the antistatic and noise of contact panel 10 really.
In addition; Contact panel kind provided by the present invention does not have certain limitation; Except Fig. 1 is arranged at induction electrode substrate (sensor on cover glass) touch panel structure provided to shown in Figure 4; Also can adopt the touch panel structure provided of traditional double laminar substrate, or induction electrode is arranged at touch panel structure provided above or below CF (color filter, colored filter) the side glass of LCD (LCD).And the narration of relevant display; At this also only with regard to the explanation of LCD as embodiment; Be not the category in order to the touch panel structure provided application of qualification the present invention, wherein display also can be bistable display, organic electro-luminescent display or electric wet-type display.
See also the structural representation that the contact panel with double layer substrate shown in Figure 5 combines LCD; Contact panel 40 comprises a upper substrate 41, an infrabasal plate 42; Be provided with induction electrode 43 in upper substrate 41, be provided with down induction electrode 44, be respectively equipped with one first ground-electrode 45 in upper substrate 41 and infrabasal plate 42 in infrabasal plate 42; Two first ground-electrodes 45 surround respectively circlewise and go up induction electrode 43 and following induction electrode 44 peripheries; Be covered with one second ground-electrode 46 in infrabasal plate 42 in contrast to the following one side of induction electrode 44, contact panel 40 is arranged on the LCD 30, by the protection of first ground-electrode 45 of the formula of encirclement; The earth terminal G of static discharge transporting to the circuit component that can the external world be produced; Second ground-electrode 46 then forms screen layer, and the signal that can suppress between the common electrode 33 of contact panel 40 and below LCD 30 disturbs, and promotes the ability of the antistatic and noise of contact panel 40.
See also induction electrode shown in Figure 6 and be arranged at the touch panel structure provided of LCD colored filter side group plate top; Contact panel 50 comprises a substrate 51; The one side of substrate 51 is provided with the touch control component that first induction electrode 52, the second induction electrode (not shown), first cabling 54, second cabling 55 and insulation course 56 constitute; Be provided with one first ground-electrode 57 in above-mentioned touch control component periphery; In first induction electrode 52, first cabling 54, second cabling 55 and first ground-electrode, 57 surface coverage, one insulation course 58; One side in substrate 51 in contrast to touch control component (that is diagram substrate 51 bottom surface) is provided with one second ground-electrode 59, contact panel 50 is arranged on the LCD 30, by the protection of first ground-electrode 57 of the formula of encirclement; The earth terminal G of static discharge transporting to the circuit component that can the external world be produced; Second ground-electrode 59 then forms screen layer, and the signal that can suppress between the common electrode 33 of contact panel 50 and below LCD 30 disturbs, and promotes the ability of the antistatic and noise of contact panel 50.
The above is merely embodiments of the invention, when can not with the scope implemented of qualification the present invention.The equalization of promptly doing according to claim of the present invention generally changes and modifies, and all should still belong in the scope that patent of the present invention contains, sincerely please your juror's explicit example for reference, and it is accurate to pray favour, is that institute is to praying.

Claims (9)

  1. One kind touch panel structure provided, it is characterized in that, comprise:
    At least one substrate;
    At least one touch control component is arranged at the one side of this substrate;
    At least one first ground-electrode is arranged at the one side that this substrate is provided with this touch control component, and surrounds this touch control component;
    One insulation course is overlying on this touch control component and this first ground-electrode; And
    One second ground-electrode is overlying on the one side of this insulation course in contrast to this touch control component and first ground-electrode, or is overlying on the one side of this substrate in contrast to this touch control component.
  2. 2. as claimed in claim 1 touch panel structure provided, it is characterized in that this first ground-electrode is located at the periphery of this substrate, to expose the lateral border of this first ground-electrode to the open air.
  3. 3. as claimed in claim 1 touch panel structure provided; It is characterized in that; This touch control component is made up of many first induction electrodes, many second induction electrodes, many first cablings and many second cablings; Wherein how first induction electrodes are with how second induction electrodes are crisscross arranged in this substrate one side, and these many second induction electrodes are electrically connected through this second cabling formation, are provided with insulation course in this second cabling; Set insulation course provides this first cabling to stride to be located on this second cabling on this second cabling, is electrically connected these many first induction electrodes by this and avoids first cabling and second cabling forms short circuit.
  4. 4. as claimed in claim 3 touch panel structure provided, it is characterized in that this first cabling and this first ground-electrode are in forming with processing procedure.
  5. 5. as claimed in claim 3 touch panel structure provided, it is characterized in that this substrate is colored optical filtering substrates, overlay or polaroid.
  6. 6. as claimed in claim 5 touch panel structure provided, it is characterized in that this overlay is the material of glass or plastic cement.
  7. 7. as claimed in claim 1 touch panel structure provided; It is characterized in that it is provided with a upper substrate and an infrabasal plate, is provided with induction electrode in this upper substrate; Be provided with down induction electrode in this infrabasal plate; Be respectively equipped with one first ground-electrode in this upper substrate and this infrabasal plate, this two first ground-electrode surrounds respectively circlewise should go up induction electrode and this time induction electrode periphery, and the one side in this infrabasal plate in contrast to following induction electrode is covered with one second ground-electrode.
  8. 8. a touch-control display panel is characterized in that, comprises:
    At least one substrate;
    At least one touch control component is arranged at the one side of this substrate;
    At least one first ground-electrode is arranged at the one side that this substrate is provided with touch control component, and surrounds this touch control component;
    One insulation course is overlying on this touch control component and this first ground-electrode;
    One second ground-electrode is overlying on the one side of this insulation course in contrast to this touch control component and this first ground-electrode, or is overlying on the one side of this substrate in contrast to this touch control component; And
    One display is located on this second ground-electrode.
  9. 9. touch-control display panel as claimed in claim 8 is characterized in that, this display is LCD, bistable display, organic electro-luminescent display or electric wet-type display.
CN201010505681.9A 2010-09-30 2010-09-30 Touch panel structure and touch display panel Expired - Fee Related CN102446012B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010505681.9A CN102446012B (en) 2010-09-30 2010-09-30 Touch panel structure and touch display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010505681.9A CN102446012B (en) 2010-09-30 2010-09-30 Touch panel structure and touch display panel

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2013102947336A Division CN103399663A (en) 2010-09-30 2010-09-30 Touch panel structure and touch display panel thereof

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CN102446012A true CN102446012A (en) 2012-05-09
CN102446012B CN102446012B (en) 2015-04-08

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102830881A (en) * 2012-06-21 2012-12-19 友达光电股份有限公司 Embedded touch display panel
WO2013170703A1 (en) * 2012-05-16 2013-11-21 宸鸿科技(厦门)有限公司 Touch panel and fabrication method therefor
CN104063109A (en) * 2014-07-16 2014-09-24 深圳市中显微电子有限公司 Antistatic wiring circuit and method of capacitive touch screen
CN104063085A (en) * 2013-03-22 2014-09-24 群创光电股份有限公司 Touch Display Apparatus
CN104298402A (en) * 2014-10-10 2015-01-21 昆山龙腾光电有限公司 Touch display device
CN104656980A (en) * 2014-11-21 2015-05-27 业成光电（深圳）有限公司 Touch panel structure and production method thereof
TWI494027B (en) * 2013-04-19 2015-07-21 Ye Xin Technology Consulting Co Ltd Electrostatic discharge apparatus and method of operating the same
TWI503711B (en) * 2013-06-07 2015-10-11 Interface Optoelectronic Shenzhen Co Ltd Touch panel and electronic device with the touch panel
CN105988632A (en) * 2014-12-19 2016-10-05 中华映管股份有限公司 Touch display device and noise shielding method thereof
CN106020551A (en) * 2016-06-02 2016-10-12 武汉华星光电技术有限公司 Flexible touch screen and manufacturing method thereof
CN106325601A (en) * 2016-08-25 2017-01-11 合肥鑫晟光电科技有限公司 Touch screen, display device and preparation method of touch screen
CN106527816A (en) * 2016-12-01 2017-03-22 京东方科技集团股份有限公司 Touch substrate, preparation method thereof and touch display device
CN106855763A (en) * 2017-03-10 2017-06-16 武汉华星光电技术有限公司 A kind of array base palte and self-tolerant embedded touch control display panel
CN107835976A (en) * 2015-07-21 2018-03-23 3M创新有限公司 Conducting film, component and the method that electrostatic charge is removed from conductive pattern
WO2019015248A1 (en) * 2017-07-17 2019-01-24 深圳市奥拓电子股份有限公司 Touchpad and led display screen
CN109426384A (en) * 2017-08-31 2019-03-05 宏碁股份有限公司 Touch panel and touch panel detection method

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CN1601335A (en) * 2003-09-25 2005-03-30 统宝光电股份有限公司 Contact-controlling LCD device
CN1670759A (en) * 2004-03-19 2005-09-21 统宝光电股份有限公司 Touch control panel and display system and electronic apparatus using the same
CN101075030A (en) * 2006-05-16 2007-11-21 三星电子株式会社 Panel assembly
CN101699378A (en) * 2009-09-23 2010-04-28 深超光电（深圳）有限公司 Touch panel and manufacturing method thereof

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CN1601335A (en) * 2003-09-25 2005-03-30 统宝光电股份有限公司 Contact-controlling LCD device
CN1670759A (en) * 2004-03-19 2005-09-21 统宝光电股份有限公司 Touch control panel and display system and electronic apparatus using the same
CN101075030A (en) * 2006-05-16 2007-11-21 三星电子株式会社 Panel assembly
CN101699378A (en) * 2009-09-23 2010-04-28 深超光电（深圳）有限公司 Touch panel and manufacturing method thereof

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013170703A1 (en) * 2012-05-16 2013-11-21 宸鸿科技(厦门)有限公司 Touch panel and fabrication method therefor
CN102830881B (en) * 2012-06-21 2015-06-03 友达光电股份有限公司 Embedded touch display panel
CN102830881A (en) * 2012-06-21 2012-12-19 友达光电股份有限公司 Embedded touch display panel
CN104063085B (en) * 2013-03-22 2017-08-25 群创光电股份有限公司 Touch control display apparatus
CN104063085A (en) * 2013-03-22 2014-09-24 群创光电股份有限公司 Touch Display Apparatus
TWI494027B (en) * 2013-04-19 2015-07-21 Ye Xin Technology Consulting Co Ltd Electrostatic discharge apparatus and method of operating the same
TWI503711B (en) * 2013-06-07 2015-10-11 Interface Optoelectronic Shenzhen Co Ltd Touch panel and electronic device with the touch panel
CN104063109A (en) * 2014-07-16 2014-09-24 深圳市中显微电子有限公司 Antistatic wiring circuit and method of capacitive touch screen
CN104298402A (en) * 2014-10-10 2015-01-21 昆山龙腾光电有限公司 Touch display device
CN104298402B (en) * 2014-10-10 2017-09-22 昆山龙腾光电有限公司 Touch control display apparatus
CN104656980A (en) * 2014-11-21 2015-05-27 业成光电（深圳）有限公司 Touch panel structure and production method thereof
CN104656980B (en) * 2014-11-21 2018-04-03 业成光电（深圳）有限公司 Touch panel structure provided and its manufacture method
CN105988632A (en) * 2014-12-19 2016-10-05 中华映管股份有限公司 Touch display device and noise shielding method thereof
CN107835976B (en) * 2015-07-21 2021-06-11 3M创新有限公司 Conductive film, assembly, and method for removing static charge from conductive pattern
CN107835976A (en) * 2015-07-21 2018-03-23 3M创新有限公司 Conducting film, component and the method that electrostatic charge is removed from conductive pattern
CN106020551A (en) * 2016-06-02 2016-10-12 武汉华星光电技术有限公司 Flexible touch screen and manufacturing method thereof
CN106325601A (en) * 2016-08-25 2017-01-11 合肥鑫晟光电科技有限公司 Touch screen, display device and preparation method of touch screen
CN106325601B (en) * 2016-08-25 2023-11-28 合肥鑫晟光电科技有限公司 Touch screen, display device and preparation method of touch screen
CN106527816A (en) * 2016-12-01 2017-03-22 京东方科技集团股份有限公司 Touch substrate, preparation method thereof and touch display device
CN106527816B (en) * 2016-12-01 2019-03-29 京东方科技集团股份有限公司 A kind of touch base plate and preparation method thereof, touch control display apparatus
WO2018099404A1 (en) * 2016-12-01 2018-06-07 京东方科技集团股份有限公司 Touch substrate and preparation method therefor, and touch display device
US11134593B2 (en) 2016-12-01 2021-09-28 Boe Technology Group Co., Ltd. Touch substrate, manufacturing method thereof, and touch display device
CN106855763A (en) * 2017-03-10 2017-06-16 武汉华星光电技术有限公司 A kind of array base palte and self-tolerant embedded touch control display panel
WO2019015248A1 (en) * 2017-07-17 2019-01-24 深圳市奥拓电子股份有限公司 Touchpad and led display screen
US10852871B1 (en) 2017-07-17 2020-12-01 Shenzhen Aoto Electronics Co., Ltd. Touch panel and LED display
CN109426384A (en) * 2017-08-31 2019-03-05 宏碁股份有限公司 Touch panel and touch panel detection method
CN109426384B (en) * 2017-08-31 2021-06-04 宏碁股份有限公司 Touch panel and touch panel detection method

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