CN103472943A - Embedded touch control display panel - Google Patents
Embedded touch control display panel Download PDFInfo
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- CN103472943A CN103472943A CN2013103388974A CN201310338897A CN103472943A CN 103472943 A CN103472943 A CN 103472943A CN 2013103388974 A CN2013103388974 A CN 2013103388974A CN 201310338897 A CN201310338897 A CN 201310338897A CN 103472943 A CN103472943 A CN 103472943A
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Abstract
The invention relates to an embedded touch control display panel, which comprises a driving assembly array base plate, an opposite base plate and a display medium layer, wherein the driving assembly array base plate comprises a base plate, a plurality of driving assemblies, a plurality of pixel electrodes, a plurality of sharing electrodes, a plurality of data signal wires and a plurality of switches, the pixel electrodes are respectively and electrically connected with the corresponding driving assemblies, and the sharing electrodes are ranged into a plurality of sharing electrode series, wherein every more than two sharing electrode series are connected for forming a first touch control electrode. The data signal wires are respectively coupled with the pixel electrodes through the corresponding driving assemblies, and every more than two data signal wires are electrically connected with one switch, wherein the pixel electrodes and the data signal wires coupled to the same switch form a second touch control electrode.
Description
Technical field
The invention relates to a kind of display panel, and particularly relevant for a kind of embedded touch display panel.
Background technology
According to the relation that arranges of contact panel and display panel, contact panel is divided into external labeling type, integrated (touch on-cell) and embedded (touch in-cell) haply.The contact panel of external labeling type is normally prior to making touch control component on substrate to form contact panel, then this contact panel is attached on the outside surface of display panel.Integrated contact panel is integrated in touch control component on display panel.Embedded contact panel is directly touch control component to be integrated in to display panel inside.With the external labeling type contact panel, compare, integrated and embedded touch control panel extremely is conducive to thinning and the lightweight of display.
Yet, no matter be external labeling type, integrated or embedded contact panel, if will form touch-control display panel, all must be under the framework of original display panel, more additionally carry out several roads optical cover process and just can complete the making of touch control component.Therefore, touch-control display panel generally needs just can complete for several more processing procedures.
Summary of the invention
The invention provides a kind of embedded touch display panel, it is integrated in touch control component in the making of display panel, and drives and realize touch-control and Presentation Function through timesharing.
Embedded touch display panel of the present invention comprises an active assembly array base plate, subtend substrate and a display dielectric layer.Active assembly array base plate comprises a substrate, a plurality of driving component, a plurality of pixel electrode, a plurality of shared electrode, many data signal line and a plurality of switch.Substrate have a viewing area and with the surrounding zone of viewing area adjacency.The driving component array is arranged in viewing area.Pixel electrode is positioned at viewing area, and with corresponding driving component, is electrically connected respectively.Shared electrode is positioned at viewing area, and corresponds respectively to the pixel electrode configuration.Shared electrode is arranged in a plurality of shared electrode serials, and each shared electrode serial is extended along a first direction, wherein every plural shared electrode serial is connected, to form one first touch-control electrode, make all shared electrode of active assembly array base plate form many first touch-control electrodes sequentially arranging along a second direction.The data signals line is positioned at viewing area, and through corresponding driving component and pixel electrode, couples respectively.Every plural data signals line is electrically connected to one of them switch, and the data signals line and the pixel electrode that are coupled to same switch form one second touch-control electrode, make all data signals lines of active assembly array base plate and all pixel electrodes form many second touch-control electrodes arranging along first direction.Subtend substrate and active assembly array base plate subtend arrange.Display dielectric layer is arranged between active assembly array base plate and subtend substrate.
The driving method of embedded touch display panel of the present invention, comprise the following steps.At first, during a demonstration, drive independently each data signals line.During a touch-control, drive in order these the second touch-control electrodes, when wherein each second touch-control electrode is driven, all information signal line of corresponding each second touch-control electrode are simultaneously driven, during wherein showing with during touch-control, do not overlap.
Based on above-mentioned, embedded touch display panel of the present invention is during showing, each data signals line is by activation independently, so that shared electrode and pixel electrode drive display medium to realize general Presentation Function.During touch-control, be connected to several data traffic of same switch by the while activation, form the first touch-control electrode so that be connected to data signals line and the pixel electrode of same switch.In other words, pixel electrode can be realized touch controllable function through the design of data signals line and switch.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
The accompanying drawing explanation
The embedded touch display panel diagrammatic cross-section that Fig. 1 is one embodiment of the invention.
Look schematic diagram on the part of the active assembly array base plate that Fig. 2 is one embodiment of the invention.
Fig. 3 A to Fig. 3 E illustrates the configuration schematic diagram of each member of Fig. 2.
Fig. 4 be one embodiment of the invention shared electrode on look schematic diagram.
Look schematic diagram on the active multiple substrate that Fig. 5 is one embodiment of the invention.
Look schematic diagram on the active multiple substrate that Fig. 6 is another embodiment of the present invention.
Wherein: 10: the embedded touch display panel
100: active assembly array base plate
102: substrate
102a: viewing area
102b: surrounding zone
110: the data signals line
120: sweep trace
130: driving component
132: gate
133: the lock insulation course
134: channel layer
136: source electrode
138: drain
140: pixel electrode
145: insulation course
150: shared electrode
150S: shared electrode serial
160: switch
170: share signal line
180: conductive pattern
200: the subtend substrate
300: display dielectric layer
A-A ': hatching line
D1: first direction
D2: second direction
E1: the first touch-control electrode
E2: the second touch-control electrode
G: gap
S: sensing region
P: zone.
Embodiment
The embedded touch display panel diagrammatic cross-section that Fig. 1 is one embodiment of the invention.Please refer to Fig. 1, embedded touch display panel 10 of the present invention comprises an active assembly array base plate 100, a subtend substrate 200 and a display dielectric layer 300.Subtend substrate 200 and active assembly array base plate 100 subtend settings, and display dielectric layer 300 is arranged between active assembly array base plate 100 and subtend substrate 200.In the present embodiment, subtend substrate 200 is for example a colored optical filtering substrates, and it has a chromatic filter layer and a black matrix layer.Display dielectric layer 300 is for example layer of liquid crystal molecule.But the present invention is not as limit.
Look schematic diagram on the part of the active assembly array base plate that Fig. 2 is one embodiment of the invention.Fig. 3 A to Fig. 3 E illustrates the configuration schematic diagram of each member of Fig. 2.The active assembly array base plate 100 of Fig. 1 illustrates along the diagrammatic cross-section of the hatching line A-A ' of Fig. 2.Please refer to Fig. 1, Fig. 2 and Fig. 3 A to Fig. 3 E, active assembly array base plate 100 comprises a substrate 102, many data signal line 110 and multi-strip scanning line 120.The surrounding zone 102b (being illustrated in Fig. 5) that substrate 102 has a viewing area 102a and is adjacent to viewing area 102a.Each sweep trace 120 is arranged on substrate 102 and along a first direction D1 and extends, and each data signals line 110 is arranged on substrate 102 and along a second direction D2 and extends.In the present embodiment, first direction D1 is preferably vertical with second direction D2, but the present invention does not limit with this.
Sweep trace 120 is crisscross arranged with data signals line 110, the sub-picture element zone of arranging to define a plurality of arrays in the viewing area 102a in substrate 102.Be provided with a sub-picture element unit in each sub-picture element zone.Particularly, sub-picture element unit comprises a driving component 130, a pixel electrode 140 and a shared electrode 150.Driving component 130 and sweep trace 120 wherein and wherein a data signal line 110 be electrically connected.Pixel electrode 140 is for example to be electrically connected with one of them driving component 130.Shared electrode 150 is arranged at pixel electrode 140 tops and is electrically insulated with pixel electrode 140.
Fig. 4 be one embodiment of the invention shared electrode on look schematic diagram.Please refer to Fig. 1, Fig. 2 and Fig. 4, in each sub-picture element unit, shared electrode 150 and a corresponding setting of pixel electrode 140.An insulation course 145 is set so that the two is electrically insulated between shared electrode 150 and pixel electrode 140, as shown in Figure 1.The present embodiment is to make shared electrode 150 after first making pixel electrode 140 again, so shared electrode 150 is positioned at the top of pixel electrode 140.Wherein, the pixel electrode 140 that is positioned at top is not for having the continuous pattern of slit, shared electrode 150 is the patterns with a plurality of slits, and because pixel electrode 140 and shared electrode 150 are arranged on same substrate and are positioned at the same side of display dielectric layer 300, so can form transverse electric field between shared electrode 150 and pixel electrode 140 and drive the display medium in display dielectric layer 300.
Moreover, in other embodiments, also can first make shared electrode 150 and make again pixel electrode 140, therefore form the structure that pixel electrode 140 is positioned at shared electrode 150 tops.At this, the shared electrode 150 that is positioned at top is not have a continuous pattern of slit, and pixel electrode 140 is the patterns with a plurality of slits.Similarly, because pixel electrode 140 and shared electrode 150 are arranged on same substrate and are positioned at the same side of display dielectric layer 300, so can form transverse electric field between shared electrode 150 and pixel electrode 140 and drive the display medium in display dielectric layer 300.
As shown in Figure 4, shared electrode 150 is arranged in a plurality of shared electrode serial 150S, and these shared electrode serials 150S arranges along second direction D2, and wherein each shared electrode serial 150 is extended along first direction D1.Moreover every plural shared electrode serial 150S is connected to form first a touch-control electrode E1, different the first touch-control electrode E1 are separated from one another and have a clearance G.These the first touch-control electrodes E1 arranges along second direction D2, and each first touch-control electrode E1 extends along first direction D1.In other words, all shared electrode 150 of the present embodiment form many first touch-control electrode E1.
Look schematic diagram on the active multiple substrate that Fig. 5 is one embodiment of the invention.Should be noted that, Fig. 5 only schematically illustrates the topological design of pixel electrode 140 and shared electrode 150, and it does not show detailed Components Shape and configuration relation.The subregion P of Fig. 5 can be with reference to the subregion P of figure 2, and wherein Fig. 2 illustrates Components Shape and configuration relation in comparatively detailed mode.
Please refer to Fig. 5, many first touch-control electrode E1 are arranged in the viewing area 102a of substrate 102, and are provided with many shared signal line 170 to be electrically connected with the first corresponding touch-control electrode E1 respectively in the 102a of surrounding zone.But these shared signal line 170 transmitting signals are to the first corresponding touch-control electrode E1.
In the present embodiment, several adjacent data signals lines 110 are electrically connected to same switch 160.At this, the pixel electrode 140 coupled with these data signals lines 110 can form wherein second a touch-control electrode E2 who is electrically connected to same switch 160.Therefore, the pixel electrode 140 of the present embodiment forms many second touch-control electrode E2 that arrange along first direction D1 with data signals line 110, and each second touch-control electrode E2 extends along second direction D2.The present embodiment is to take 5 adjacent data signal line 110 to be electrically connected to same switch 160 as example explanation, but the present invention is not as limit.The adjustment of those skilled in the art's viewable design demand is connected to the number of the data signals line 110 of same switch 160.
As shown in Figure 5, active assembly array base plate 10 comprises the first touch-control electrode E1 that many shared electrode 150 form, and many second touch-control electrode E2 that consist of pixel electrode 140 and data signals line 110.The first touch-control electrode E1 extends along first direction D1, and the second touch-control electrode E2 extends along second direction D2.These first touch-controls electrode E1 and these the second touch-control electrodes E2 are crisscross arranged and overlap in both locates to form a plurality of sensing region S.In one embodiment, the sense width (sensor pitch) of each first touch-control electrode E1 and each the second touch-control electrode E2 is about respectively 4.5 mm ~ 5.5 mm, so the size of sensing region S is about 4.5 mm ~ 5.5 mm * 4.5 mm ~ 5.5 mm.Certainly, above-mentioned numerical value is only the example explanation, and not in order to limit the present invention, those skilled in the art can be according to the design requirement adjustment.
Please also refer to Fig. 1, Fig. 2 and Fig. 5, the structural design that the embedded touch display panel 10 of the present embodiment sees through active assembly array base plate 100 can realize the function of demonstration and touch-control.Particularly, during one of the embedded touch display panel 10 of the present embodiment demonstration with during a touch-control, do not overlap.In other words, during demonstration with during touch-control, be for example that timesharing is carried out.
During showing, each sweep trace 120 sequentially is enabled to open corresponding driving component 130, and pieces of data signal line 110 is enabled independently of one another, and through source electrode 136, channel layer 134 and drain 138, signal is passed to corresponding pixel electrode 140, and each shared electrode 150 is carried out transmitting signals and has one to share current potential through sharing signal line 170.Now, form transverse electric field to drive the display medium in display dielectric layer 300, to realize the Presentation Function of embedded touch display panel 10 between pixel electrode 140 and corresponding shared electrode 150.
During touch-control, drive in order the second touch-control electrode E2, when wherein each second touch-control electrode E2 is driven, all data signals lines 110 of corresponding each second touch-control electrode E2 are simultaneously driven.More specifically, seeing through the data signals line 110 that switch 160 will be connected to same switch 160 is electrically connected.Therefore, the sensing signal can be passed to the data signals line 110 that is connected to same switch 160 simultaneously.In other words, form all pixel electrodes 140 activation simultaneously of same the first touch-control electrode E2, and there is identical current potential.Each second touch-control electrode E2 sees through data signals line 110 and carrys out transmitting signals.There is insulation course 145 between the first touch-control electrode E1 and the second touch-control electrode E2 overlapping place.Now, be arranged in sensing region S existence one electric capacity of the first touch-control electrode E1 and the second touch-control electrode E2 overlapping place.When a touch-control event occurs, by the electric capacity of the sensing region S of touch-control, can be changed, so the touch-control occurrence positions can be detected by this.So, can realize the touch controllable function of embedded touch display panel 10.Particularly, during demonstration with during touch-control, hocket, the time span during wherein showing is greater than the time span during touch-control.
In another embodiment, active assembly array base plate 100 more comprises a plurality of conductive patterns 180 that are electrically connected with shared electrode 150.Particularly, before forming shared electrode 150, can be prior to forming a plurality of conductive patterns 180 on insulation course 145.Conductive pattern 180 contacts with each other with shared electrode 150, as shown in Figure 6.In the present embodiment, the setting position of conductive pattern 180 is preferably the distributing position of the black matrix layer on corresponding subtend substrate 200, accordingly, can reduce the probability that the user sees conductive pattern 180.And conductive pattern 180 is preferably and uses metal material or the good conductive material of other electric conductivity, accordingly, can reduce the conduction resistance of the first touch-control electrode E1, and then promote the touch-control sensitivity of the first touch-control electrode E1.
In sum, embedded touch display panel of the present invention is during showing, each data signals line is by activation independently, so that shared electrode and pixel electrode drive display medium to realize general Presentation Function.During touch-control, be connected to several data signals lines of same switch by the while activation, form the second touch-control electrode so that be connected to data signals line and the pixel electrode of same switch, shared electrode forms the first touch-control electrode, and the first touch-control electrode be crisscross arranged and the overlapping part of the second touch-control electrode can form a plurality of sensing regions.In other words, pixel electrode can be realized touch controllable function through the design of data signals line and switch.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. an embedded touch display panel is characterized in that comprising:
One active assembly array base plate comprises:
One substrate, have a viewing area and with a surrounding zone of this viewing area adjacency;
A plurality of driving components, array is arranged in this viewing area;
A plurality of pixel electrodes, be positioned at this viewing area, and with those corresponding driving components, be electrically connected respectively;
A plurality of shared electrode, be positioned at this viewing area, and correspond respectively to those pixel electrode configurations, those shared electrode are arranged in a plurality of shared electrode serials, and respectively this shared electrode serial is extended along a first direction, wherein every plural those shared electrode serials are connected, and to form one first touch-control electrode, make all shared electrode of this active assembly array base plate form many first touch-control electrodes sequentially arranging along a second direction;
Many data signal line, be positioned at this viewing area, and through corresponding those driving components and those pixel electrodes, couple respectively; And
A plurality of switches, every plural those data signals lines are electrically connected to one of them switch, those data signals lines and those pixel electrodes that wherein are coupled to same switch form one second touch-control electrode, make all data signals lines of this active assembly array base plate and all pixel electrodes form many second touch-control electrodes arranging along this first direction;
One subtend substrate, arrange with this active assembly array base plate subtend; And
One display dielectric layer, be arranged between this active assembly array base plate and this subtend substrate.
2. embedded touch display panel as claimed in claim 1, it is characterized in that: wherein respectively this driving component comprises a gate, a channel layer, one source pole and a drain, respectively this data signals line is electrically connected with this source electrode of corresponding this driving component, and respectively this drain electric connection of this pixel electrode and corresponding this driving component.
3. embedded touch display panel as claimed in claim 2, it is characterized in that: more comprise the multi-strip scanning line, be arranged on this substrate, those sweep traces and those data signals lines are crisscross arranged, and wherein respectively this sweep trace is electrically connected with this gate of corresponding this driving component.
4. embedded touch display panel as claimed in claim 1, is characterized in that: more comprise a plurality of conductive patterns, be electrically connected with those corresponding shared electrode respectively.
5. embedded touch display panel as claimed in claim 1, it is characterized in that: wherein those the first touch-control electrodes are separated from one another.
6. embedded touch display panel as claimed in claim 1, it is characterized in that: wherein this switch is the circuit design with circuit handoff functionality.
7. embedded touch display panel as claimed in claim 1 is characterized in that: wherein those pixel electrodes are disposed at those shared electrode belows.
8. embedded touch display panel as claimed in claim 1 is characterized in that: more comprise many shared signal line, be positioned at this surrounding zone, and be electrically connected with first a touch-control electrode wherein respectively.
9. one kind for driving the driving method of embedded touch display panel as claimed in claim 1, it is characterized in that: comprising:
During a demonstration, drive independently respectively this data signals line; And
During a touch-control, drive in order those the second touch-control electrodes, when wherein respectively this second touch-control electrode is driven, all data signals lines of corresponding respectively this second touch-control electrode are simultaneously driven,
Wherein during this demonstration with during this touch-control, do not overlap.
10. the driving method of embedded touch display panel as claimed in claim 9 is characterized in that: wherein the time span during this demonstration is greater than the time span during this touch-control.
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| CN2013103388974A CN103472943A (en) | 2013-08-06 | 2013-08-06 | Embedded touch control display panel |
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| CN2013103388974A CN103472943A (en) | 2013-08-06 | 2013-08-06 | Embedded touch control display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108446053A (en) * | 2018-03-27 | 2018-08-24 | 京东方科技集团股份有限公司 | Array substrate and its manufacturing method, display device |
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Patent Citations (4)
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| US20100225860A1 (en) * | 2009-03-06 | 2010-09-09 | Beijing BOE Optoelectronics Technoloy Co., Ltd. | Tft-lcd array substrate and manufacturing method thereof |
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Application publication date: 20131225 |