CN203366281U - Array substrate, embedded touch screen and display device - Google Patents
Array substrate, embedded touch screen and display device Download PDFInfo
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- CN203366281U CN203366281U CN 201320452531 CN201320452531U CN203366281U CN 203366281 U CN203366281 U CN 203366281U CN 201320452531 CN201320452531 CN 201320452531 CN 201320452531 U CN201320452531 U CN 201320452531U CN 203366281 U CN203366281 U CN 203366281U
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Abstract
The utility model discloses an array substrate, an embedded touch screen and a display device, which are used for realizing an embedded touch screen and a display device with simple structures. The array substrate comprises a plurality of subpixel units, a plurality of touch driving electrodes, and a plurality of touch induction electrodes, wherein the plurality of subpixel units are arranged in a matrix manner, each two rows of adjacent subpixel units form a subpixel unit group, and two grid lines for providing grid signals for the two rows of subpixel units respectively are arranged between the two rows of subpixel units; the plurality of touch driving electrodes which are distributed in line direction of the subpixel units are located between the subpixel unit groups on the array substrate; the plurality of touch induction electrodes which are distributed in row direction of the subpixel units are arranged on the array substrate and are insulated from the touch driving electrodes and the grid lines.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of array base palte, embedded touch-screen and display device.
Background technology
Touch-screen (Touch Panel, TP) comprises external hanging type touch-screen (Add On Touch Panel) and embedded touch-screen (In Cell Touch Panel).
In Cell Touch Panel is integrated in the touch-screen in LCDs for touching drive electrode and touch sensible electrode, and this touch-screen is because it is simple in structure, display performance is high and low cost and other advantages has become the main flow that touches the demonstration field gradually.
At present, LCDs at least can be divided into according to display mode: twisted-nematic (Twisted Nematic, TN) type, plane conversion (In Plane Switching, IPS) type and senior super dimension field switch (Advanced Super Dimension Switch, ADS) type etc.Wherein, the LCDs of ADS display mode is that the electric field that the electric field that produces by electrode edge in same plane and electrode layer and plate electrode interlayer produce forms multi-dimensional electric field, make between electrode and all liquid crystal molecules directly over electrode rotate, realize that image shows.With respect to the LCDs of IPS display mode, can improve the work efficiency of liquid crystal and can increase light transmission efficiency.The LCDs of ADS display mode has high picture quality, high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, without advantages such as water ripples (push Mura).
LCDs mainly comprises color membrane substrates, array base palte and the liquid crystal layer between color membrane substrates and array base palte.Existing touch-screen, by the touch sensible electrode is arranged on color membrane substrates, touches drive electrode and is arranged on array base palte the function that realizes that embedded touch and image show.
Existing embedded touch-screen is separately positioned on array base palte and color membrane substrates owing to touching drive electrode and touch sensible electrode, and the structure of touch-screen is more complicated and thickness is thicker.In addition, the touch sensible electrode on color membrane substrates because apart from each other is connected with two IC respectively, is realized the function of embedded touch with the touch drive electrode on array base palte, and in specific implementation process, the difficulty of matching of two IC is larger.
The utility model content
The utility model embodiment provides a kind of array base palte, embedded touch-screen and display device, in order to realize a kind of embedded touch-screen simple in structure.
The array base palte that the utility model embodiment provides, comprise: be a plurality of sub-pixs unit that matrix is arranged, the sub-pix unit that every two row are adjacent is a sub-pix unit group, is provided with two between this two row sub-pix unit and is respectively the grid line that this two row sub-pix unit provides signal;
The touch drive electrode that many line directions along described sub-pix unit between sub-pix unit group on described array base palte distribute; And
Be positioned at many distributions of the column directions along described sub-pix unit on described array base palte and the touch sensible electrode insulated mutually with described touch drive electrode and described grid line.
Preferably, described touch sensible electrode is positioned at described touch drive electrode top, and described touch sensible electrode is the public sub-electrode for the formation public electrode in the touch-control stage.
Preferably, described each touch sensible electrode is having the big or small opening of a plurality of settings with the overlapping region division of described touch drive electrode.
Preferably, also comprise, the metal wire between two grid lines below each touch sensible electrode in sub-pix unit group, this metal wire is connected by via hole with described touch sensible electrode.
Preferably, also comprise the common electrode signal line of arranging and being connected by via hole with described each public sub-electrode along the line direction of sub-pix unit between two adjacent sub-pix unit groups.
Preferably, described grid line, metal wire, common electrode signal line and touch drive electrode line arrange with layer.
Preferably, described touch drive electrode and described common electrode signal line are spaced.
Preferably, described touch drive electrode comprises that many follow the touch driven element electrode that direction distributes, and touches the driven element electrode between two adjacent sub-pix unit groups, and each touches connection parallel with one another between the driven element electrode.
The utility model embodiment provides a kind of embedded touch-screen, comprises color membrane substrates and array base palte that box is arranged, and the liquid crystal layer between described color membrane substrates and array base palte, and described array base palte is above-mentioned array base palte.
The utility model embodiment provides a kind of display device, comprises described embedded touch-screen.
Be integrated with touch drive electrode and the touch sensible electrode of realizing touch function on the array base palte of the embedded touch-screen that the utility model provides, can reduce the integral thickness of embedded touch-screen on the one hand, also reduce to greatest extent on the other hand the IC difficulty of matching, improved the competitive power of product.
The accompanying drawing explanation
The array base palte schematic top plan view that Fig. 1 provides for the utility model embodiment;
Fig. 2 be the array base palte shown in Fig. 1 A-A ' to schematic cross-section;
The structural representation corresponding to the second set-up mode of the touch drive electrode that Fig. 3 provides for the utility model embodiment;
The array base-plate structure schematic diagram that includes the common electrode signal line that Fig. 4 provides for the utility model embodiment;
The array base-plate structure schematic diagram that includes public sub-electrode that Fig. 5 provides for the utility model embodiment;
Fig. 6 is the public sub-electrode concrete structure of the slit-shaped in the array base palte shown in Fig. 5 schematic diagram;
Fig. 7 is provided with the array base palte of opening on the public sub-electrode of the slit-shaped shown in Fig. 5;
The three-dimensional structure for amplifying schematic diagram that Fig. 8 is the regional B in Fig. 7;
Fig. 9 is provided with the array base palte of metal wire between the utility model embodiment grid line;
The embedded touch-screen that Figure 10 provides for the utility model embodiment is realized the sequential chart of touch controllable function.
Embodiment
The utility model embodiment provides a kind of array base palte, embedded touch-screen and display device, in order to realize a kind of embedded touch-screen simple in structure.
The embedded touch-screen that the utility model embodiment provides is integrated in the touch-screen in the display screen of senior super dimension field switch (AdvancedSuper Dimension Switch, ADS) display mode for touching drive electrode and touch sensible electrode.The embedded touch-screen that the utility model embodiment provides comprises color membrane substrates and array base palte and the liquid crystal layer between color membrane substrates and array base palte that box is put; Touching drive electrode and touch sensible electrode is positioned on described array base palte.The array base palte that the utility model embodiment provides is the array base palte based on double grid line (WXGA Dual Gate) structure.
Illustrate below with reference to accompanying drawing the embedded touch-screen that the utility model provides, main explanation has the array base palte of touch function.
Referring to Fig. 1, the schematic top plan view of the array base palte provided for the utility model comprises:
In order to be illustrated more clearly in the relative position between the touch drive electrode 3 shown in the utility model Fig. 1 and touch sensible electrode 4.Referring to Fig. 2, for the array base palte shown in Fig. 1 A-A ' to schematic cross-section; Sub-pix unit 20, grid line 21 and touch drive electrode 3 are positioned on substrate 1, and insulation course 5 is positioned at sub-pix unit 20, grid line 21 and touches on drive electrode 3, and touch sensible electrode 4 is positioned on insulation course 5; Only illustrate two in Fig. 2 and touch drive electrode 3 and a touch sensible electrode 4.
It should be noted that, the position that the utility model touches drive electrode 3 and touch sensible electrode 4 is not limited to set-up mode shown in Fig. 2, and the position of the two also can exchange.Preferably, the touch sensible electrode 4 shown in Fig. 2 is arranged on and touches drive electrode 3 tops, and touch sensible electrode 4 is apart from the close together of finger, and the touch-control effect is better.
The array base palte that above-mentioned the utility model provides is integrated with touch drive electrode and the touch sensible electrode of realizing touch function, this set-up mode can reduce the integral thickness of embedded touch-screen on the one hand, be convenient on the other hand be integrated on same IC touching the drive IC of drive electrode and the induction IC of touch sensible electrode, reduced to greatest extent the IC difficulty of matching, simplify the structure of embedded touch-screen, improved the competitive power of product.
The set-up mode of the touch drive electrode that the utility model provides at least comprises following two kinds:
Mode one: as shown in Figure 1 or 2, touch drive electrode 3 and comprise a touch driven element electrode 31.Touch driven element electrode 31(3) be arranged on the non-display area between two adjacent row sub-pix unit groups 2.
Mode two: as shown in Figure 3, touch drive electrode and comprise that at least two (being many) touches driven element electrode 31.Each touch driven element electrode 31 is arranged between two adjacent sub-pix unit groups 2.Connection parallel with one another between many touch driven element electrodes 31, specifically can be connected in parallel by the lead-in wire 32 of array base palte periphery.
Vertical (being column direction) width of the touch drive electrode that described mode one provides is narrower, about micron dimension.Vertical wider width that the touch drive electrode that mode two provides covers, about the millimeter magnitude.Vertical width of described touch drive electrode is that article one touches the driven element electrode and second touches the longest distance between the driven element electrode.Vertical width of touch drive electrode as shown in Figure 3 is a.
Preferably, vertical width of the touch drive electrode that mode two provides can be arranged in the scope of 2mm～6mm, touches drive electrode and is connected in parallel and is formed by many touch driven element electrodes.
The touch drive electrode 3 that the utility model provides can be positioned at same layer or also can be positioned at different layers with grid line 21.In order to reduce the technological process of making touch-screen, preferably, touch drive electrode 3 and be positioned at same layer with grid line 21.In specific implementation process, touch drive electrode 3 and grid line 21 and complete with in a manufacture craft, only need a mask (MASK) technique, greatly reduce the cost of manufacture of touch-screen.
The array base palte that the utility model provides, can between two sub-pix unit groups 2 of arbitrary neighborhood, arrange and touch drive electrode 3(or touch driven element electrode 31), also can between two sub-pix unit groups 2 adjacent in part, touch drive electrode 3(is set or touch driven element electrode 31).Specifically can determine according to the demand of actual touch-control precision, usually, touch drive electrode 3(or touch driven element electrode 31) be arranged between two sub-pix unit groups 2 that part is adjacent better.In array base palte shown in Fig. 1 or Fig. 2, arrange one at interval of two groups of sub-pix unit groups 3 and touch drive electrode 3(or touch driven element electrode 31).
Be non-display area (i.e. the zone corresponding with black matrix B M on color membrane substrates) between two sub-pix unit groups 2 that the utility model is mentioned, the utility model touches drive electrode 3 and is arranged on the zone corresponding with black matrix B M, does not affect aperture opening ratio and the light transmission rate of pixel.
Referring to Fig. 4, for the array base palte shown in Fig. 1 is provided with the structural representation of many common electrode signal lines 7; Particularly, common electrode signal line 7 distributes along the line direction of sub-pix unit 20, and common electrode signal line 7 is between adjacent touch drive electrode 3, and between two sub-pix unit groups 2 of arbitrary neighborhood.This common electrode signal line 7 is connected by via hole with each the public sub-electrode (being public electrode) that is positioned at the pixel electrode top, for public electrode provides signal homogeneous and stable voltage signal, (is V
comvoltage signal).
Preferably, touch drive electrode 3 shown in Fig. 4, common electrode signal line 7 and grid line 21 arrange with layer, and in specific implementation process, the three completes with in a manufacture craft, only need a mask (MASK) technique, greatly reduce the cost of manufacture of touch-screen.
It should be noted that, the utility model touches drive electrode and also can be used as the common electrode signal line in the image demonstration stage, and the common electrode signal line also can, as touching drive electrode, apply V in the image demonstration stage in the touch-control stage
comvoltage signal, apply high-frequency signal in the touch-control stage.
Participate in Fig. 5, the array base palte that the utility model provides also comprises: for the public electrode 6 of realizing that in the image demonstration stage image shows; Wherein, public electrode 6 comprises many public sub-electrodes 61, and each public sub-electrode 61 is same electrode with each touch sensible electrode 4.In other words, each touch sensible electrode 4 shows that at image the stage is as public sub-electrode, and each public sub-electrode forms public electrode.
The public electrode 6 provided when the utility model is positioned at while touching drive electrode 3 top, and for the work efficiency of the liquid crystal molecule that improves liquid crystal layer and can increase light transmission efficiency, preferably, the public sub-electrode 61 of each in public electrode 6 is the slit-shaped electrode.That is to say, the touch sensible electrode 4 that the utility model provides is for there being the slit-shaped electrode of slit at the region division corresponding with each sub-pix unit.In order to be illustrated more clearly in slit-shaped touch sensible electrode 4, the structure for amplifying schematic diagram that is a touch sensible electrode 4 referring to Fig. 6.Corresponding each 20 regions, sub-pix unit, the zone that in Fig. 6, the dotted line frame surrounds.
It should be noted that, when the utility model is the slit-shaped electrode when public electrode, pixel electrode is plate electrode, and such set-up mode can realize that high-quality image shows.
Preferably, the surface that passes touch panel for the projection electric field between assurance touch drive electrode and touch sensible electrode is responded to by finger, to improve the touch-control effect, referring to Fig. 7, each touch sensible electricity 4 that the utility model embodiment provides has a plurality of openings 41 with a certain size at the region division corresponding with touching drive electrode 3, be that each touch sensible electrode 4 has the big or small opening of a plurality of settings at the region division overlapping with touching drive electrode 3, make electric field line to pass, electric field line is arrived by people's finger touches.
In order to be illustrated more clearly in described projection electric field, schematic perspective view is amplified in the part that Fig. 8 is the regional B shown in Fig. 7.The electric field line that means the projection electric fields with the dotted line 10 of arrow, electric field line 10 is by touching drive electrode 3(31) through touch sensible electrode 4(61) opening 41 by finger 11, contacted, improve the sensitivity touched, the touch-control effect is better.
Referring to Fig. 9, the array base palte that the utility model provides also comprises:
The metal wire 9 be connected with each touch sensible electrode 4 between two grid lines 21 in each sub-pix unit group 2, this metal wire 9 is arranged along the direction parallel with grid line 21, and length is no more than the width of touch sensible electrode 4, this metal wire 9 is for reducing the resistance of the public sub-electrode 61 be attached thereto.This be because, the compare resistivity of metal oxide of the resistivity of metal wire is much smaller, when being made by transparent metal oxide as each touch sensible electrode 4 of public electrode simultaneously, the resistance value of each touch sensible electrode 4 is larger, be unfavorable for realizing preferably touch-control effect, while on each touch sensible electrode 4, being connected in parallel metal wire 9, the resistance value of each touch sensible electrode 4 can reduce greatly, and the touch-control effect can obviously improve.
Preferably, metal wire 9 arranges with layer with touch drive electrode 3, common electrode signal line 7 and grid line 21.In specific implementation process, metal wire 9, touch drive electrode 3, common electrode signal line 7 and grid line 21 complete with in a manufacture craft, only need a mask (MASK) technique, greatly reduce the cost of manufacture of touch-screen.
The embedded touch-screen that the utility model embodiment provides comprises the array base palte of above-mentioned any mode, this array base palte is integrated touch drive electrode and touch sensible electrode simultaneously, it is upper that the induction IC that touches the drive IC of drive electrode and touch sensible electrode can be integrated in same IC, whole embedded touch-screen simple in structure.And existing public electrode is as the touch sensible electrode, and touch drive electrode and grid line arrange with layer, additionally do not increase functional film layer on structure, further simplify the structure of embedded touch-screen, improve the competitive power of product.
Below in conjunction with shown in Figure 10, realizing that image shows and the sequential chart of touch function, illustrate the principle of work of the embedded touch-screen that the utility model embodiment provides.
In Figure 10, V-sync is clock signal.Comprise the sequential of n bar grid line, the sequential of data line Date, sequential, the sequential of touch sensible electrode Rx and the sequential of common electrode signal line Com of touch drive electrode Tx.N bar grid line is respectively grid line 1(Gate1), grid line 2(Gate2),,,,,, grid line n-1(G ate n-1), grid line n(Gate n).
As shown in figure 10, embedded touch-screen shows that the time of a two field picture is 16.67ms, chooses 4ms as the touch-control stage, and all the other 12.67ms are that image shows the stage.
In the touch-control stage, data line Data and n bar grid line, in the low level off working state, do not affect the touch process.Touch drive electrode Tx and touch sensible electrode Rx in running order, realize touch function.
Show the stage at image, touch drive electrode Tx and touch sensible electrode Rx in low level off working state (corresponding and corresponding voltage source keeps opening circuit), avoid the impact that image is shown.N bar grid line and data line Data, in the high level duty, realize that image shows.
Common electrode signal line Com keeps pressure constant state DC-Vcom always, in the touch-control stage, does not affect the touch-control effect, in the image demonstration stage, is public electrode transmission Vcom signal.
The 12.67ms in above-mentioned image demonstration stage and the 4ms in touch demonstration stage are just for the example one by one shown in the utility model is described, in the specific implementation process, image shows the 12.67ms that is not limited in stage, and the touch demonstration stage is not limited to 4ms.
The utility model embodiment also provides a kind of display device, comprises above-mentioned embedded touch-screen, and this display device can be liquid crystal display, LCD TV etc.
In sum, be integrated with touch drive electrode and the touch sensible electrode of realizing touch function on the array base palte of the embedded touch-screen that the utility model provides, can reduce the integral thickness of embedded touch-screen on the one hand, be convenient on the other hand be integrated on same IC touching the drive IC of drive electrode and the induction IC of touch sensible electrode, reduced to greatest extent the IC difficulty of matching, simplify the structure of embedded touch-screen, improved the competitive power of product.In addition, in described touch sensible electrode and array base palte, for the public electrode of realizing the image demonstration, share, public electrode is divided into the public sub-electrode of a plurality of strips, public sub-electrode divides the time to drive, realize touch-control and Presentation Function, structurally do not increase any functional film layer, further simplified the structure of embedded touch-screen, reduced the cost of manufacture of product.Touch drive electrode and grid line and arrange with layer, simple in structure, fabrication processing is simple.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. an array base palte, it is characterized in that, comprise and be a plurality of sub-pixs unit that matrix is arranged, the sub-pix unit that every two row are adjacent is a sub-pix unit group, is provided with two between this two row sub-pix unit and is respectively the grid line that this two row sub-pix unit provides signal;
The touch drive electrode that many line directions along described sub-pix unit between sub-pix unit group on described array base palte distribute; And
Be positioned at many distributions of the column directions along described sub-pix unit on described array base palte and the touch sensible electrode insulated mutually with described touch drive electrode and described grid line.
2. array base palte according to claim 1, is characterized in that, described touch sensible electrode is positioned at described touch drive electrode top, and described touch sensible electrode is the public sub-electrode for the formation public electrode in the touch-control stage.
3. array base palte according to claim 1, is characterized in that, described each touch sensible electrode is having the big or small opening of a plurality of settings with the overlapping region division of described touch drive electrode.
4. array base palte according to claim 1, is characterized in that, also comprise, and the metal wire between two grid lines below each touch sensible electrode in sub-pix unit group, this metal wire is connected by via hole with described touch sensible electrode.
5. array base palte according to claim 2, is characterized in that, also comprises the common electrode signal line of arranging and being connected by via hole with described each public sub-electrode along the line direction of sub-pix unit between two adjacent sub-pix unit groups.
6. array base palte according to claim 5, is characterized in that, described grid line, metal wire, common electrode signal line and touch drive electrode line arrange with layer.
7. array base palte according to claim 1, is characterized in that, described touch drive electrode and described common electrode signal line are spaced.
8. array base palte according to claim 1, it is characterized in that, described touch drive electrode comprises that many follow the touch driven element electrode that direction distributes, and touches the driven element electrode between two adjacent sub-pix unit groups, and each touches connection parallel with one another between the driven element electrode.
9. an embedded touch-screen, is characterized in that, comprises color membrane substrates and array base palte that box is arranged, and the liquid crystal layer between described color membrane substrates and array base palte, and described array base palte is the arbitrary described array base palte of claim 1-8.
10. a display device, is characterized in that, comprises embedded touch-screen claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452531 CN203366281U (en) | 2013-07-26 | 2013-07-26 | Array substrate, embedded touch screen and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452531 CN203366281U (en) | 2013-07-26 | 2013-07-26 | Array substrate, embedded touch screen and display device |
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| CN203366281U true CN203366281U (en) | 2013-12-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412675A (en) * | 2013-07-26 | 2013-11-27 | 北京京东方光电科技有限公司 | Array substrate, embedded touch screen and display device |
| WO2016054897A1 (en) * | 2014-10-10 | 2016-04-14 | 京东方科技集团股份有限公司 | Array substrate and liquid crystal display device |
-
2013
- 2013-07-26 CN CN 201320452531 patent/CN203366281U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412675A (en) * | 2013-07-26 | 2013-11-27 | 北京京东方光电科技有限公司 | Array substrate, embedded touch screen and display device |
| WO2015010421A1 (en) * | 2013-07-26 | 2015-01-29 | 京东方科技集团股份有限公司 | Array substrate, embedded touch screen and display device |
| CN103412675B (en) * | 2013-07-26 | 2016-07-27 | 北京京东方光电科技有限公司 | A kind of array base palte, In-cell touch panel and display device |
| US10635221B2 (en) | 2013-07-26 | 2020-04-28 | Boe Technology Group Co., Ltd. | Array substrate, in-cell touch panel and display device |
| WO2016054897A1 (en) * | 2014-10-10 | 2016-04-14 | 京东方科技集团股份有限公司 | Array substrate and liquid crystal display device |
| US9835922B2 (en) | 2014-10-10 | 2017-12-05 | Boe Technology Group Co., Ltd. | Array substrate and liquid crystal display device |
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| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150708 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |