CN103995616B - Embedded touch panel and display device - Google Patents

Embedded touch panel and display device Download PDF

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Publication number
CN103995616B
CN103995616B CN201410239524.6A CN201410239524A CN103995616B CN 103995616 B CN103995616 B CN 103995616B CN 201410239524 A CN201410239524 A CN 201410239524A CN 103995616 B CN103995616 B CN 103995616B
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CN
China
Prior art keywords
touch
electrode
control
embedded
control panel
Prior art date
Application number
CN201410239524.6A
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Chinese (zh)
Other versions
CN103995616A (en
Inventor
刘英明
董学
王海生
丁小梁
杨盛际
赵卫杰
任涛
刘红娟
邓立广
段亚锋
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京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
Priority to CN201410239524.6A priority Critical patent/CN103995616B/en
Publication of CN103995616A publication Critical patent/CN103995616A/en
Application granted granted Critical
Publication of CN103995616B publication Critical patent/CN103995616B/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Abstract

The invention relates to an embedded touch panel and a display device. The embedded touch panel comprises an array substrate. The array substrate comprises a common electrode layer and a plurality of sets of touch drive electrodes arranged on the common electrode layer and insulated from the common electrode layer. The embedded touch panel further comprises a touch induction electrode, and the touch drive electrodes and the touch induction electrode are arranged in an intersecting and insulating mode.

Description

Embedded touch control panel and display device

Technical field

The present invention relates to display technology field, and in particular to a kind of embedded touch control panel and display device.

Background technology

Contact panel for touch-control input is widely used in television set, mobile phone, portable terminal device and other display devices, its Middle embedded (In-cell) scheme being embedded in touch control electrode inside display screen, both can with the overall thickness of thinning module, and The cost of manufacture of contact panel can be reduced, is paid attention to by all big enterprises.

Fig. 1 shows that a kind of touch-control sensing electrode of existing embedded touch control panel and the plane of common electrode layer are illustrated Figure, Fig. 2 shows the sectional view of the line A-A in Fig. 1.As shown in Fig. 2 embedded touch control panel include array base palte 10 and with There is multiple touch-control sensing electrodes 21, array base on the color membrane substrates 20 that array base palte 10 is oppositely arranged, wherein color membrane substrates 20 There is the common electrode layer 11 being made up of multiple touch-control drive electrodes 12 and multiple public electrodes 13 arranged in a crossed manner on plate 10.Such as Shown in Fig. 1, the strip shaped electric poles that each public electrode 13 and touch-control sensing electrode 21 extend for Y in a second direction, and touch-control sensing electricity Pole 21 is located at the top of each public electrode 13;In the first direction X extends touch-control drive electrode 12, and by by touch-control drive signal Multiple block touch-control that line 14 is electrically connected drives sub-electrode to constitute, such as the touch-control shown in Fig. 1 drive sub-electrode 12a, 12b, 12c、12d。

However, touch-control drive electrode 12 is inconsistent with the load of public electrode 13 in existing embedded touch control panel, make Obtain this two-part picture and show uneven, have a strong impact on picture quality, and the load of touch-control drive electrode 12 is larger, touching signals Distal end is not easily accomplished touch controllable function.

The content of the invention

The technical problem to be solved is that touch-control drive electrode is negative with public electrode in embedded touch control panel Carry the inconsistent problem for causing this two-part picture to show inequality.

For this purpose, the present invention proposes a kind of embedded touch control panel, including array base palte, wherein, the array base Include common electrode layer on plate and be arranged in the common electrode layer and drive with multigroup touch-control of common electrode layer insulation Moving electrode, the embedded touch control panel also includes touch-control sensing electrode, the touch-control drive electrode and touch-control sensing electricity Pole transposition insulator is arranged.

Preferably, touch-control drive electrode is extended in a first direction described in each group, described in each group touch-control sensing electrode along and institute State the vertical second direction of first direction to extend, and per group of touch-control drive electrode be separated into along the first direction it is multiple Size shape identical touch-control drives sub-electrode.

Preferably, the touch-control drives sub-electrode to be arranged on touch-control sensing electrode described in two groups for being adjacent in the battle array Between projection on row substrate.

Preferably, it is 4mm to 6mm that each described touch-control drives the width of sub-electrode.

Preferably, it is 4 μm to 8 μm that the two neighboring touch-control drives the spacing between sub-electrode.

Preferably, it is metal grill pattern that each described touch-control drives sub-electrode.

Preferably, metal grill pattern figure in said first direction and data wire are on the array base palte Location of projection it is corresponding, the location of projection phase of figure in this second direction with grid line on the array base palte Correspondence.

Preferably, sub-electrode is driven to be electrically connected by least one touch-control drive signal line with touch-control described in a line.

Preferably, the touch-control drive signal line makes with the touch-control drive electrode with layer, and the touch-control drives Dynamic holding wire is arranged with the touch-control sensing electrode insulation.

Preferably, the embedded touch control panel also includes the electrode protecting layer being arranged on the touch-control drive electrode.

Preferably, the electrode protecting layer makes with the pixel electrode layer of the array base palte with layer, and does not connect with pixel Connect.

Preferably, the touch-control drive electrode is made using transparent conductive material or metal material.

The invention allows for a kind of display device, it includes above-mentioned embedded touch control panel.

Driven by the way that touch-control using embedded touch control panel disclosed in this invention and display device, can not only be effectively improved Moving electrode and the load of public electrode, drive so as to improving image quality, and also being effectively increased touch-control sensing electrode with touch-control Edge mutual capacitance between electrode, reduces, just to electric capacity, improving touch-control sensitivity.

Description of the drawings

The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematic and should not manage Solution is to carry out any restriction to the present invention, in the accompanying drawings:

Fig. 1 shows that a kind of touch-control sensing electrode of existing embedded touch control panel and the plane of common electrode layer are illustrated Figure;

Fig. 2 shows the sectional view of the line A-A in Fig. 1;

Fig. 3 shows that the touch-control drive electrode of contact panel according to embodiments of the present invention and the plane of common electrode layer are shown It is intended to;

Fig. 4 shows the sectional view of the line B-B in Fig. 3;

Fig. 5 shows the floor map of array base palte according to embodiments of the present invention.

Specific embodiment

To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this Bright a part of embodiment, rather than the embodiment of whole.Based on described embodiments of the invention, ordinary skill The every other embodiment that personnel are obtained on the premise of without the need for creative work, belongs to the scope of protection of the invention.

Fig. 3 shows that the touch-control drive electrode of contact panel according to embodiments of the present invention and the plane of common electrode layer are shown It is intended to, Fig. 4 shows the sectional view of the line B-B in Fig. 3.As shown in figure 4, with existing embedded touch control panel structure in will Common electrode layer is divided into that public electrode is different with touch-control drive electrode, and embedded touch control panel according to embodiments of the present invention is not Segmentation common electrode layer, so as to not change the script function of common electrode layer.Embedded touch face according to embodiments of the present invention Plate include array base palte 10, wherein on array base palte 10 include common electrode layer 11 and be arranged in common electrode layer 11 and with public affairs Multigroup touch-control drive electrode 12 of the insulation of common electrode layer 11, the embedded touch control panel also includes touch-control sensing electrode 21, touch-control Drive electrode 12 is arranged with the transposition insulator of touch-control sensing electrode 21.

More specifically, embedded touch control panel according to embodiments of the present invention include array base palte 10 and with array base palte 10 Liquid crystal layer is gripped with the middle of the color membrane substrates 20 being oppositely arranged, wherein array base palte 10 and color membrane substrates 20, and by box work Skill to box together, so as to form contact panel.Multigroup touch-control sensing electrode 21, array base palte 10 are provided with color membrane substrates 20 On be provided with common electrode layer 11, insulating barrier 15 is provided with common electrode layer 11, multigroup touch-control is provided with insulating barrier 15 and is driven Moving electrode 12, and touch-control drive electrode 12 is arranged in a crossed manner with touch-control sensing electrode 21.Fig. 4 is illustrated merely for the purpose of example The present invention, and any restriction is not carried out to the present invention, it will be appreciated by those skilled in the art that touch-control sensing electrode not necessarily sets Put on color membrane substrates, it is also possible to be disposed on array base palte, as long as not contacting with touch-control drive electrode.Touch-control drives Moving electrode 12 is arranged in a crossed manner with touch-control sensing electrode 21 so that edge mutual capacitance is larger and less just to electric capacity, so as to improve Touch-control sensitivity.

From Fig. 3 can with it is clearer find out according to an embodiment of the invention the common electrode layer of embedded touch control panel and The pattern of touch-control drive electrode, as shown in figure 3, the X extensions in the first direction of each group touch-control drive electrode 12, touch-control drive electrode 12 Sub-electrode T is driven by the multiple size shape identical touch-controls connected by touch-control drive signal line 14xConstitute, in other words per group In the first direction X is separated into multiple size shape identical touch-controls driving sub-electrode T to touch-control drive electrode 12x, each group touch-control Induction electrode 21 extends along second direction Y vertical with first direction X.Preferably, on the first direction X and array base palte The direction of data wire is consistent, and second direction Y is consistent with the direction of the grid line on array base palte.

Preferably, touch-control drive electrode 12 is arranged on two groups of touch-control sensing electrodes 21 being adjacent on array base palte 10 Projection between so that not depositing between the projection of touch-control drive electrode 12 and touch-control sensing electrode 21 on array base palte 10 Overlapping, so that edge mutual capacitance is maximized, further lifting touch-control sensitivity.Each touch-control drives sub-electrode TxIt is big Little shape is identical, and each touch-control drives sub-electrode TxWidth be about 4mm to 6mm, two neighboring touch-control drives sub-electrode TxIt Between spacing be 4 μm to 8 μm, and projection of the touch-control sensing electrode 21 on array base palte 10 be located at adjacent two row touch-control drive electricity Between pole 12.

Preferably, electrode protecting layer 16 is additionally provided with touch-control drive electrode 12, the electrode protecting layer 16 can be with pixel Electrode layer makes with layer, and is not connected to pixel.Because pixel electrode layer is generally formed using materials such as ITO, IGZO, in touch-control Electrode protecting layer 16 is provided with drive electrode 12 can prevent touch-control drive electrode 12 to be oxidized so that technology stability is more It is good, and resistance is also reduced to a certain extent.It will be understood by those skilled in the art that pixel electrode layer can also formed While, pixel electrode layer is also formed on other electrode layers or pad as protective layer, such as on the pad of edge region Pixel electrode layer is formed as protective layer, such that it is able to while electrode or pad oxide is prevented, reduce electrode or pad Resistance.

In figure 3, sub-electrode T is driven with a line touch-controlxIt is electrically connected by least one touch-control drive signal line 14, this is touched Control drive signal line 14 extends in second direction Y vertical with first direction X.Preferably touch-control drive signal line 14 and touch-control Drive electrode is prepared with layer 12, and touch-control drive signal line 14 connects adjacent touch-control and drives sub-electrode Tx, and touch-control drive Dynamic holding wire is arranged with the touch-control sensing electrode insulation, i.e., corresponding with touch-control sensing electrode position arranges via, Driven by the via, the corresponding metal level of the touch-control sensing electrode lower floor touch-control adjacent with the connection of touch-control drive signal line Mover electrode, not only can so reduce processing step, and also helping makes the frame of contact panel narrower.Those skilled in the art It should be appreciated that touch-control drive signal line is not limited to one, or drives sub-electrode to be driven by many touch-controls with a line touch-control Dynamic holding wire electrical connection, wherein touch-control drive electrode can access common electrode signal in the case of not touch-control.

Touch-control drive electrode 12 can be made using transparent conductive materials such as ITO, preferably can be same with pixel electrode layer Layer makes.However, in order to improve conductive capability, reduce the load of touch-control drive electrode so that touch-control drive electrode part with The picture unification of public electrode part, touch-control drive electrode 12 is made preferably by metal material.In touch-control drive electrode 12 In the case of made by metal material, in order to not affect the light transmission of display floater, touch-control to drive sub-electrode TxPattern adopt With network that is latticed, i.e., being formed by transverse and longitudinal wire arranged in a crossed manner, it is preferred that the shape and chi of each grid It is very little equal in magnitude, as shown in Figure 3.

Each touch-control is detailed below and drives sub-electrode TxMetal grill pattern.Fig. 5 shows the flat of array base palte Face schematic diagram, in order to not affect the light transmission of display floater, for each touch-control drives sub-electrode TxFor, its first direction X On wire pattern can be with data wire on the array base palte location of projection it is corresponding, leading in its second direction Y Location of projection of the line graph with grid line on the array base palte is corresponding, so as to not interfere with the printing opacity of display floater Property, it is possible thereby to form metal grill pattern above array base palte, as indicated by thick solid lines shown in fig. 5, so can be with Increase the fringe field between each touch-control driving sub-electrode Tx and touch-control sensing electrode, while being also prevented from touch-control drives son Electrode Tx and pixel electrode short circuit.

Invention further provides a kind of display device, it includes embedded touch control panel as above, the display Device can be any with aobvious for mobile phone, panel computer, television set, display, notebook computer, DPF, navigator etc. Show the product or part of function.

By using embedded touch control panel and display device according to embodiments of the present invention, being effectively improved tactile Control drive electrode and the load of public electrode, so as to improve image quality, and also can be effectively increased touch-control sensing electrode and touch-control Edge mutual capacitance between drive electrode, reduces, just to electric capacity, improving touch-control sensitivity.

Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can be without departing from this Various modification can be adapted in the case of bright spirit and scope and modification, and such modification and modification are each fallen within by claims Within limited range.

Claims (9)

1. a kind of embedded touch control panel, including array base palte,
Wherein, on the array base palte include common electrode layer and be arranged in the common electrode layer and with the common electrical Multigroup touch-control drive electrode of pole layer insulation,
The embedded touch control panel also includes touch-control sensing electrode, and the touch-control drive electrode is handed over the touch-control sensing electrode Fork insulation set;
Touch-control drive electrode is extended in a first direction described in each group, and touch-control sensing electrode described in each group is along vertical with the first direction Straight second direction extends, and per group of touch-control drive electrode to be separated into multiple size shapes along the first direction identical Touch-control drive sub-electrode;
Each described touch-control drives sub-electrode to be set to metal grill pattern, and each touch-control drives the wire netting trrellis diagram of sub-electrode The multiple pixel regions of case correspondence, each grid in the metal grill pattern is corresponded with the plurality of pixel region, and Each grid surrounds corresponding pixel region;
The embedded touch control panel also includes the electrode protecting layer being arranged on the touch-control drive electrode;The electrode protection Layer makes with the pixel electrode layer of the array base palte with layer, and is not connected to pixel.
2. embedded touch control panel according to claim 1, wherein the touch-control drives sub-electrode to be arranged on what is be adjacent Described in two groups between projection of the touch-control sensing electrode on the array base palte.
3. embedded touch control panel according to claim 2, wherein each described touch-control drive the width of sub-electrode be 4mm extremely 6mm。
4. embedded touch control panel according to claim 3, wherein between the two neighboring touch-control is driven between sub-electrode Away from for 4 μm to 8 μm.
5. embedded touch control panel according to claim 1, wherein the metal grill pattern is in said first direction Location of projection of the figure with data wire on the array base palte is corresponding, and figure in this second direction exists with grid line Location of projection on the array base palte is corresponding.
6. embedded touch control panel according to claim 1, wherein driving sub-electrode to pass through at least with touch-control described in a line Root touch-control drive signal line is electrically connected.
7. embedded touch control panel according to claim 6, wherein the touch-control drive signal line drives with the touch-control Moving electrode makes with layer, and the touch-control drive signal line is arranged with the touch-control sensing electrode insulation.
8. the embedded touch control panel according to any one of claim 1 to 7, wherein the touch-control drive electrode is using transparent Conductive material or metal material make.
9. a kind of display device, it includes embedded touch control panel according to any one of claim 1 to 8.
CN201410239524.6A 2014-05-30 2014-05-30 Embedded touch panel and display device CN103995616B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410239524.6A CN103995616B (en) 2014-05-30 2014-05-30 Embedded touch panel and display device

Applications Claiming Priority (2)

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CN201410239524.6A CN103995616B (en) 2014-05-30 2014-05-30 Embedded touch panel and display device
PCT/CN2014/086072 WO2015180288A1 (en) 2014-05-30 2014-09-05 Embedded touch panel and display device

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CN103995616B true CN103995616B (en) 2017-05-17

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103995616B (en) * 2014-05-30 2017-05-17 京东方科技集团股份有限公司 Embedded touch panel and display device
CN104331210B (en) * 2014-11-27 2018-12-18 京东方科技集团股份有限公司 A kind of In-cell touch panel, its touch control detecting method and display device
CN104461135B (en) * 2014-12-03 2017-12-08 京东方科技集团股份有限公司 A kind of touch base plate, contact panel and display device
CN104460139B (en) * 2014-12-31 2017-06-23 深圳市华星光电技术有限公司 Touch control display apparatus and electronic equipment
CN104503633B (en) * 2015-01-26 2018-07-06 京东方科技集团股份有限公司 A kind of In-cell touch panel, its driving method and display device
CN104698700B (en) 2015-04-01 2018-05-08 上海天马微电子有限公司 A kind of touch-control display panel and display device

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Publication number Priority date Publication date Assignee Title
TW201142777A (en) * 2010-05-28 2011-12-01 Au Optronics Corp Sensing display panel
CN102541334B (en) * 2010-12-30 2016-09-28 上海天马微电子有限公司 Touch display unit and manufacture method thereof
CN103309070B (en) * 2012-09-24 2016-08-17 上海天马微电子有限公司 Touch control type LCD device
CN103049155A (en) * 2012-12-13 2013-04-17 北京京东方光电科技有限公司 Embedded touch screen and display device
CN103019492B (en) * 2012-12-21 2015-10-14 北京京东方光电科技有限公司 Embedded capacitive touch control display panel, display device, control device and method
CN103207720B (en) * 2013-03-29 2015-09-16 北京京东方光电科技有限公司 A kind of control method of touch-control display panel and device and display device
CN103995616B (en) * 2014-05-30 2017-05-17 京东方科技集团股份有限公司 Embedded touch panel and display device
CN203858607U (en) * 2014-05-30 2014-10-01 京东方科技集团股份有限公司 Embedded touch panel and display device

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CN103995616A (en) 2014-08-20

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