CN203705761U - Array substrate, capacitive touch screen and touch display device - Google Patents
Array substrate, capacitive touch screen and touch display device Download PDFInfo
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- CN203705761U CN203705761U CN201420013739.1U CN201420013739U CN203705761U CN 203705761 U CN203705761 U CN 203705761U CN 201420013739 U CN201420013739 U CN 201420013739U CN 203705761 U CN203705761 U CN 203705761U
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- 239000000758 substrate Substances 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 description 12
- 230000006698 induction Effects 0.000 description 11
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 indium tin metal oxide Chemical class 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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Abstract
The utility model discloses an array substrate, a capacitive embedded touch screen and a touch display device. A common electrode layer of the array substrate comprises a plurality of touch driving electrodes and a plurality of common electrodes. The touch driving electrodes and the common electrodes are arranged in a crossed mode, all the touch driving electrodes extend in the line direction, and all the common electrodes extend in the row direction. A pixel electrode layer comprises a plurality of first wires, the projection of each wire on the array substrate is placed in an area where the common electrodes are placed, and each wire directly faces a data line with the projection placed in an area where the common electrodes are placed. The first wires with the projection placed in the same common electrode area constitute one touch driving electrode. Due to the fact that the touch driving electrodes and touch sensing electrodes are arranged on the common electrode layer and the pixel electrode layer respectively, no additional manufacturing processes are needed in the manufacturing process, accordingly, the array substrate with a touch function can be manufactured, the manufacturing process is simple, production cost is lowered, and production efficiency is improved.
Description
Technical field
The utility model relates to display technique field, relates in particular to a kind of array base palte, the embedded touch-screen of condenser type and touch control display apparatus.
Background technology
Touch-screen can be divided into according to composition structure: external hanging type touch-screen (Add on Mode Touch Panel), covering surfaces formula touch-screen (On Cell Touch Panel) and embedded touch-screen (In Cell Touch Panel).Wherein, external hanging type touch-screen is by touch-screen and LCDs (Liquid Crystal Display, LCD) separately produce, then fit to and become together the LCDs with touch function, external hanging type touch-screen cost of manufacture is higher, light transmission rate is lower, module is thicker; There is equally the problem that module is thicker in covering surfaces formula touch-screen.And the touch-control drive electrode of touch-screen is embedded in LCDs inside by the embedded touch-screen of condenser type, because it realizes touch induction circuit in box, other touch-screen implementation can be done thinlyyer by module, gentlier and more be saved cost relatively.
At present, the embedded touch-screen of existing condenser type is at existing Thin Film Transistor (TFT) (Thin Film Transistor, TFT) on array base palte, directly increase that extra touch-control sweep trace and touch induction lines realize, make crossing strip indium tin metal oxide (the Indium Tin Oxides of two-layer mutual antarafacial on the surface of tft array substrate, ITO) electrode, this two-layer ITO electrode as touch-control drive wire and the touch induction lines of touch-screen, forms mutual capacitance in the antarafacial intersection of two ITO electrodes respectively; Or using the part public electrode on array base palte as touch-control drive wire, on color membrane substrates, increase extra touch induction lines.
Above preparation technology, in the time of the tft array substrate for the preparation of the embedded touch-screen of condenser type, preparation cost is high and production efficiency is low, also means and has increased the preparation cost of the embedded touch-screen of condenser type and preparation difficulty.
Utility model content
The purpose of this utility model is to provide a kind of array base palte, the embedded touch-screen of condenser type and touch control display apparatus, to reduce the preparation cost of tft array substrate, enhances productivity low; And then reduce the preparation cost of the embedded touch-screen of condenser type and prepare difficulty.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of array base palte, comprise a substrate, on described substrate, be formed with and be multiple pixel cells, common electrode layer and the pixel electrode layer that matrix is arranged, line direction is provided with signal line and common electrode signal line, between the adjacent described pixel cell of two row, be provided with a data line, described common electrode layer comprises multiple touch-control drive electrodes and multiple public electrode, described touch-control drive electrode and described public electrode are arranged in a crossed manner, and each described touch-control drive electrode extends in the row direction, and each described public electrode extends along column direction; In the displaying time of a frame picture, each described touch-control drive electrode is for transmission touch scanning signals and the common electrode signal of timesharing;
Described pixel electrode layer comprises many first wires, the projection of each described the first wire on described tft array substrate is positioned at described public electrode region, and the described linear position data that is positioned at described public electrode region with projection is just right, many described the first wires that projection is positioned at same described public electrode region form a touch-control sensing electrode.
Preferably, described in each, touch-control drive electrode comprises the touch-control driven element electrode that multiple colleagues arrange, and each described touch-control driven element electrode is between adjacent described public electrode.
Preferably, each described public electrode is strip shaped electric poles, and described public electrode and described touch-control driven element electrode are insulated from each other.
Preferably, the each described touch-control driven element electrode of described touch-control drive electrode is electrically connected by the first via hole with at least one common electrode signal line, and the described service message utmost point is electrically connected by the second via hole with the described common electrode signal line that is not connected described touch-control drive electrode.
Preferably, described in each, public electrode comprises multiple described public sub-electrodes, and the multiple described public sub-electrode that described in each, public electrode comprises is corresponding one by one with the described touch-control driven element electrode of row.
Preferably, the each described touch-control driven element electrode of described touch-control drive electrode is electrically connected by the first via hole with at least one common electrode signal line, and the described public sub-electrode of going together with described touch-control drive electrode is electrically connected by the second via hole with the described common electrode signal line that is not connected described touch-control drive electrode.
Preferably, each described touch-control driven element electrode, the described touch-control drive electrode of the described touch-control drive electrode described public sub-electrode on being expert at is all electrically connected by the first via hole with at least one common electrode signal line.
Preferably, taking every two adjacent row pixel cells as a pixel cell group, described in each, described in two row of pixel cell group, between pixel cell, be provided with two described signal lines, these two signal lines are respectively pixel cell described in a line gated sweep signal are provided, and between every two adjacent described pixel cell groups, a described common electrode signal line are set.
The utility model embodiment beneficial effect is as follows: touch-control drive electrode and touch-control sensing electrode are arranged at respectively common electrode layer and pixel electrode layer, therefore, on existing tft array substrate preparation technology's basis, do not need additionally to increase manufacture craft and can prepare the array base palte with touch controllable function, this array base palte is combined and can be formed embedded touch-screen with display unit, preparation technology is simple, has reduced production cost and has improved production efficiency; Meanwhile, described touch-control sensing electrode and touch-control drive electrode are non-completely orthogonal, make to form less orthogonal coupling capacitance between the two, contribute to electric field projection, thereby guarantee the realization of touch controllable function.
The utility model embodiment provides a kind of condenser type embedded touch-screen, comprises described in two pairs of box substrates and two liquid crystal arranging between box substrate, and described in one, be the array base palte described in above-described embodiment to box substrate.
The utility model embodiment provides a kind of touch control display apparatus, comprises the embedded touch-screen of condenser type described in as above embodiment.
The utility model embodiment beneficial effect is as follows: on the applied tft array substrate of the embedded touch-screen of condenser type, touch-control drive wire is made up of common electrode group and common electrode signal line, touch induction lines is by forming with the first wire of layer setting with pixel electrode, on existing tft array substrate preparation technology's basis, do not need additionally to increase manufacture craft and can prepare the array base palte with touch controllable function, this array base palte is combined and can be formed embedded touch-screen with display unit, preparation technology is simple, has reduced production cost and has improved production efficiency.
Brief description of the drawings
The partial top view of the array base palte that Fig. 1 provides for the utility model embodiment;
The partial cutaway schematic of the array base palte that Fig. 2 provides for the utility model embodiment;
The touch-control drive electrode that Fig. 3 provides for the utility model embodiment and the structural representation of touch-control sensing electrode;
The structural representation of the first array base palte that Fig. 4 provides for the utility model embodiment;
The structural representation of the second array base palte that Fig. 5 provides for the utility model embodiment;
The structural representation of the third array base palte that Fig. 6 provides for the utility model embodiment.
Reference numeral:
1 substrate; 2 pixel cells; 3 signal lines; 4 common electrode signal lines; 5 data lines; 6 touch-control drive electrodes; 61 touch-control driven element electrodes; 7 public electrodes; 71 public sub-electrodes; 8 first wires; Touch-control sensing electrode 9; The first via hole 10; The second via hole 11; Common electrode layer 20; Pixel electrode layer 30.
Embodiment
Below in conjunction with Figure of description, the implementation procedure of the utility model embodiment is elaborated.It should be noted that same or similar label from start to finish represents same or similar element or has the element of identical or similar functions.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Referring to Fig. 1, the utility model embodiment provides a kind of array base palte, comprise a substrate 1, on substrate 1, be formed be matrix arrange multiple pixel cells 2 line directions be provided with signal line 3 and common electrode signal line 4, between two adjacent row pixel cells 2, be provided with a data line 5.
Shown in Figure 2, also comprise common electrode layer 20 and pixel electrode layer 30.
In conjunction with Fig. 1 and Fig. 2, shown in Figure 3, common electrode layer 20 comprises multiple touch-control drive electrodes 6 and multiple public electrode 7, touch-control drive electrode 6 and public electrode 7 are arranged in a crossed manner, and each touch-control drive electrode 6 extends along the line direction of pixel cell 2, each public electrode 7 extends along the column direction of pixel cell 2; In the displaying time of a frame picture, each touch-control drive electrode 6 is for transmission touch scanning signals and the common electrode signal of timesharing.
Pixel electrode layer 30 comprises many first wires 8, each the first projection of wire 8 on substrate 1 is positioned at public electrode 7 regions, and data line 5 positions that are positioned at these public electrode 7 regions with projection are just right, many first wires 8 that projection is positioned at same public electrode 7 regions form a touch-control sensing electrode 9.
Signal line 3 and public electrode wire 4 can need to arrange according to design, as single grid structure or double-gate structure.The pointed double-gate structure of the present embodiment is as follows: taking 2 groups of every adjacent 2 as pixel cells of two row pixel cells, between the two row pixel cells 2 that each pixel cell is 2 groups, be provided with two signal lines 3, these two signal lines 3 are respectively one-row pixels unit 2 provides gated sweep signal, between 2 groups of every adjacent two pixel cells, a common electrode signal line 4 is set.It should be noted that, more than, for example just in order to illustrate, the utility model is not limited to this.
In the present embodiment, due to the projection of the first wire 8 and the position of data line 5 just right, therefore can not affect dot structure and pixel aperture ratio, and make full use of the ITO for preparing pixel electrode, reduced preparation section and production cost; In this structure, touch-control sensing electrode 9 is non-completely orthogonal with touch-control drive electrode 6 simultaneously, makes to form less orthogonal coupling capacitance between the two, contributes to electric field projection, thereby guarantees the realization of touch controllable function.
Preferably, each touch-control drive electrode 6 comprises the touch-control driven element electrode 61 that multiple colleagues arrange, and each touch-control driven element electrode 61 is between adjacent public electrode 7.Because touch-control drive electrode 6 and touch-control sensing electrode 9 intersect, non-orthogonal in order to ensure the two, be therefore necessary to make the two one of for discontinuous structure.
It should be noted that, the size and shape of touch-control drive electrode 6 and public electrode 7 can be adjusted according to the requirement of actual design needs or production technology.Have following detailed description:
For the ease of understanding, represent touch-control drive wire with TX, represent touch induction lines with RX, touch-control drive electrode 6 is a part of touch-control drive wire TX, touch-control sensing electrode 9 is a touch induction lines RX part, simultaneously touch-control drive electrode 6 and touch-control sensing electrode 9 be with reference to the mark of figure 3, in the following embodiments repeating label no longer.
For example, referring to Fig. 4, the structural representation of the first array base palte illustrating, each public electrode 7 is strip shaped electric poles, public electrode 7 is insulated from each other with touch-control driven element electrode 61, each touch-control driven element electrode 61 of touch-control drive electrode 6 is electrically connected by the first via hole 10 with at least one common electrode signal line 4, and public electrode 7 is electrically connected by the second via hole 11 with the common electrode signal line 4 that is not connected touch-control drive electrode 6.Touch-control drive wire TX is made up of touch-control drive electrode 6 and the common electrode signal line that is attached thereto, and touch induction lines RX is by i.e. at least one the first wires 8 of touch-control sensing electricity 9() form, touch-control sensing electrode 9 is corresponding with the position of public electrode 7.In the present embodiment, the public electrode 7 of strip is easy to realize, and is convenient to simplified design; Touch-control sensing electrode 9 is non-completely orthogonal with touch-control drive electrode 6, makes to form less orthogonal coupling capacitance between the two, contributes to electric field projection, thereby guarantees the realization of touch controllable function.
Again for example, referring to Fig. 5, the structural representation of the second array base palte illustrating, each public electrode 7 comprises multiple public sub-electrodes 71, and the multiple public sub-electrode 71 that each public electrode 7 comprises is corresponding one by one with a row touch-control driven element electrode 61; Each touch-control driven element electrode 61 of touch-control drive electrode 6 is electrically connected by the first via hole 10 with at least one common electrode signal line 4, and the public sub-electrode 71 of going together with touch-control drive electrode is electrically connected by the second via hole 11 with the common electrode signal line 4 that is not connected touch-control drive electrode 6.Touch-control drive wire TX is made up of touch-control drive electrode 6 and the common electrode signal line that is attached thereto, and touch induction lines RX is by i.e. at least one the first wires 8 of touch-control sensing electricity 9() form, touch-control sensing electrode 9 is corresponding with the position of public electrode 7.In the present embodiment, touch-control sensing electrode 9 is non-completely orthogonal with touch-control drive electrode 6, makes to form less orthogonal coupling capacitance between the two, contributes to electric field projection, thereby guarantees the realization of touch controllable function.
For example, referring to Fig. 6, the structural representation of the third array base palte illustrating, each public electrode 7 comprises multiple public sub-electrodes 71, and the multiple public sub-electrode 71 that each public electrode 7 comprises is corresponding one by one with a row touch-control driven element electrode 61; Each touch-control driven element electrode 61 of touch-control drive electrode 6, the touch-control drive electrode 6 public sub-electrode 71 on being expert at is all electrically connected by the first via hole 10 with at least one common electrode signal line 4.Touch-control drive wire TX is made up of touch-control drive electrode 6 and the common electrode signal line that is attached thereto, and touch induction lines RX is by i.e. at least one the first wires 8 of touch-control sensing electricity 9() form, touch-control sensing electrode 9 is corresponding with the position of public electrode 7.
The utility model embodiment beneficial effect is as follows: touch-control drive electrode and touch-control sensing electrode are arranged at respectively common electrode layer and pixel electrode layer, therefore, on existing tft array substrate preparation technology's basis, do not need additionally to increase manufacture craft and can prepare the array base palte with touch controllable function, this array base palte is combined and can be formed embedded touch-screen with display unit, preparation technology is simple, has reduced production cost and has improved production efficiency; Simultaneously, touch-control sensing electrode and touch-control drive electrode are non-completely orthogonal, make to form less orthogonal coupling capacitance between the two, make the less orthogonal coupling capacitance of formation between touch-control sensing electrode and touch-control drive electrode, contribute to electric field projection, thereby guarantee the realization of touch controllable function.
The utility model embodiment provides a kind of condenser type embedded touch-screen, comprise two pairs of box substrates and between the liquid crystal that arranges, described in one, be array base palte that as mentioned above embodiment provides to box substrate.In the present embodiment, another can be color membrane substrates to box substrate.
The utility model embodiment provides a kind of touch control display apparatus, comprises the embedded touch-screen of condenser type that embodiment described above provides.
The utility model embodiment beneficial effect is as follows: on the applied tft array substrate of the embedded touch-screen of condenser type, touch-control drive wire is made up of common electrode group and common electrode signal line, touch induction lines is by forming with the first wire of layer setting with pixel electrode, on existing tft array substrate preparation technology's basis, do not need additionally to increase manufacture craft and can prepare the array base palte with touch controllable function, this array base palte is combined and can be formed embedded touch-screen with display unit, preparation technology is simple, has reduced production cost and has improved production efficiency.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. an array base palte, comprise a substrate, on described substrate, be formed with and be multiple pixel cells, common electrode layer and the pixel electrode layer that matrix is arranged, line direction is provided with signal line and common electrode signal line, between the adjacent described pixel cell of two row, be provided with a data line, it is characterized in that, comprising:
Described common electrode layer comprises multiple touch-control drive electrodes and multiple public electrode, and described touch-control drive electrode and described public electrode are arranged in a crossed manner, and each described touch-control drive electrode extends in the row direction, and each described public electrode extends along column direction; In the displaying time of a frame picture, each described touch-control drive electrode is for transmission touch scanning signals and the common electrode signal of timesharing;
Described pixel electrode layer comprises many first wires, the projection of each described the first wire on described tft array substrate is positioned at described public electrode region, and the described linear position data that is positioned at described public electrode region with projection is just right, many described the first wires that projection is positioned at same described public electrode region form a touch-control sensing electrode.
2. array base palte as claimed in claim 1, is characterized in that, described in each, touch-control drive electrode comprises the touch-control driven element electrode that multiple colleagues arrange, and each described touch-control driven element electrode is between adjacent described public electrode.
3. array base palte as claimed in claim 2, is characterized in that, each described public electrode is strip shaped electric poles, and described public electrode and described touch-control driven element electrode are insulated from each other.
4. array base palte as claimed in claim 3, it is characterized in that, the each described touch-control driven element electrode of described touch-control drive electrode is electrically connected by the first via hole with at least one common electrode signal line, and the described service message utmost point is electrically connected by the second via hole with the described common electrode signal line that is not connected described touch-control drive electrode.
5. array base palte as claimed in claim 2, is characterized in that, described in each, public electrode comprises multiple described public sub-electrodes, and the multiple described public sub-electrode that described in each, public electrode comprises is corresponding one by one with the described touch-control driven element electrode of row.
6. array base palte as claimed in claim 5, it is characterized in that, the each described touch-control driven element electrode of described touch-control drive electrode is electrically connected by the first via hole with at least one common electrode signal line, and the described public sub-electrode of going together with described touch-control drive electrode is electrically connected by the second via hole with the described common electrode signal line that is not connected described touch-control drive electrode.
7. array base palte as claimed in claim 5, it is characterized in that, the each described touch-control driven element electrode of described touch-control drive electrode, the described touch-control drive electrode described public sub-electrode on being expert at is all electrically connected by the first via hole with at least one common electrode signal line.
8. the array base palte as described in claim 1 to 7 any one, it is characterized in that, taking every two adjacent row pixel cells as a pixel cell group, described in each, described in two row of pixel cell group, between pixel cell, be provided with two described signal lines, these two signal lines are respectively pixel cell described in a line gated sweep signal are provided, and between every two adjacent described pixel cell groups, a described common electrode signal line are set.
9. a capacitive touch screen, comprises described in two pairs of box substrates and two liquid crystal arranging between box substrate, it is characterized in that, and described in one, be the array base palte described in claim 1 to 8 any one to box substrate.
10. a touch control display apparatus, is characterized in that, comprises capacitive touch screen as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013739.1U CN203705761U (en) | 2014-01-09 | 2014-01-09 | Array substrate, capacitive touch screen and touch display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013739.1U CN203705761U (en) | 2014-01-09 | 2014-01-09 | Array substrate, capacitive touch screen and touch display device |
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| Publication Number | Publication Date |
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| CN203705761U true CN203705761U (en) | 2014-07-09 |
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| CN201420013739.1U Expired - Fee Related CN203705761U (en) | 2014-01-09 | 2014-01-09 | Array substrate, capacitive touch screen and touch display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103824A1 (en) * | 2014-01-09 | 2015-07-16 | 京东方科技集团股份有限公司 | Array substrate, capacitive touch screen and touch control display device |
| CN111158054A (en) * | 2019-12-31 | 2020-05-15 | 浙江大学 | Passive object detection display system and method based on LED screen |
-
2014
- 2014-01-09 CN CN201420013739.1U patent/CN203705761U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103824A1 (en) * | 2014-01-09 | 2015-07-16 | 京东方科技集团股份有限公司 | Array substrate, capacitive touch screen and touch control display device |
| US9606657B2 (en) | 2014-01-09 | 2017-03-28 | Boe Technology Group Co., Ltd. | Array substrate, capacitive touch panel and touch display device |
| CN111158054A (en) * | 2019-12-31 | 2020-05-15 | 浙江大学 | Passive object detection display system and method based on LED screen |
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