CN203299793U - Array substrate, touch panel and display device - Google Patents
Array substrate, touch panel and display device Download PDFInfo
- Publication number
- CN203299793U CN203299793U CN2013203137100U CN201320313710U CN203299793U CN 203299793 U CN203299793 U CN 203299793U CN 2013203137100 U CN2013203137100 U CN 2013203137100U CN 201320313710 U CN201320313710 U CN 201320313710U CN 203299793 U CN203299793 U CN 203299793U
- Authority
- CN
- China
- Prior art keywords
- touch
- electrode
- induction
- array base
- base palte
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to the technical field of liquid display, and discloses an array substrate, a touch panel and a display device. The array substrate comprises a plurality of grid lines, a plurality of data lines and a plurality of touch induction units. The touch induction units comprise touch scanning lines, touch induction lines, first transistors and induction electrodes, wherein the touch scanning lines are connected with grids of the first transistors and drains of the first transistors, and the induction electrodes are connected with sources of the first transistors. The touch induction lines and the induction electrodes are arranged in an insulating and layered mode and are overlapped. The array substrate, the touch panel and the display device have the following advantages that coupling capacitors formed by the touch induction lines and the induction electrodes are adopted to induct the position, where an operator touches, on the touch panel, due to the fact that the capacitance of the coupling capacitors which are vertically arranged in unit area is larger than the capacitance of the coupling capacitors which are arranged in parallel in the unit area, the same sensitivity is achieved, and meanwhile, the area of non-display areas on the array substrate is reduced, the aperture opening ratio of the touch panel is improved, and therefore the display brightness of the display device is improved.
Description
Technical field
The utility model relates to technical field of liquid crystal display, refers more particularly to a kind of array base palte, contact panel and display device.
Background technology
Along with the develop rapidly of display technique, contact panel (Touch Screen Panel) spreads all in people's life gradually.At present, contact panel can be divided into according to principle of work: resistance-type, condenser type, infrared-type and surface acoustic wave type.Wherein, capacitance type touch-control panel is owing to can realizing that real multiple spot is controlled and high sensitivity forms by widespread use in the industry.
Capacitance touch screen can be divided into by forming structure: external hanging type touch-screen, covering surfaces formula touch-screen and embedded touch-screen.Wherein, the external hanging type touch-screen is that touch-screen and display screen are separated production, then fits to and becomes together the LCDs with touch function, and the external hanging type touch-screen exists that cost of manufacture is high, light transmission rate is lower, the group mould is thicker etc. determines.And embedded touch-screen is embedded in LCDs inside with the touch-control motor of touch-screen, and thickness that can attenuate module integral body can reduce again the cost of manufacture of touch-screen greatly.Therefore, embedded touch-screen is subject to each large panel producer favor.
At present, the embedded touch-screen of existing condenser type is to adopt two parallel electrodes to form electric capacity, when the operator touches contact panel, changes the electric capacity of infall, by the variation of electric capacity, determines that the operator touches the position of screen.With shown in Figure 2, Fig. 1 is the structural representation of array base palte in prior art as shown in Figure 1; Fig. 2 is the structural representation of electric capacity embedded touch control panel in prior art.The array base palte 10 of existing contact panel comprises many grid lines 50, many data lines 60, a plurality of the second film transistor 20, a plurality of the first transistor 40, touch induction lines 30, touch-control sweep trace 80 and induction electrodes 31, wherein, described touch induction lines 30 and described induction electrode 31 are positioned at same aspect, and touch induction lines 30 is relative with the side end face of induction electrode 31 and put the formation coupling capacitance, described induction electrode 31 is connected with the source electrode 43 of described the first transistor 40, and the grid 41 of described touch-control sweep trace 80 and described the first transistor 40 44 is connected with being connected.When the operator touches contact panel, have influence on the electric capacity between touch induction lines 30 and induction electrode 31, make the coupling capacitance of operator touch place different in the electric capacity of the coupling capacitance of other positions, touch-screen determines that according to the position of the coupling capacitance that the electric capacity that receives changes the operator touches the position of contact panel.
The defect of prior art is, as shown in Figure 2, existing capacitance plate adopts is parallel to touch induction lines plane in and the coupling capacitance of induction electrode formation need take larger probe unit area, because coupling capacitance is positioned at non-display area on display screen, therefore reduce the aperture opening ratio of contact panel, thereby had influence on the brightness of display device.
The utility model content
The utility model provides a kind of array base palte, contact panel and display device, in order to improve the aperture opening ratio of contact panel, and then the brightness that improves display device.
A kind of array base palte of the utility model, comprise many grid lines and data line, also comprise: a plurality of touch-control sensings unit, described touch-control sensing unit comprises touch-control sweep trace interlaced with each other and touch induction lines, the first transistor and induction electrode, described touch-control sweep trace is connected with being connected with the grid of described the first transistor, and described induction electrode is connected with the source electrode of described the first transistor;
Described touch induction lines and described induction electrode insulation layering setting and have overlapping region.
Preferably, described touch induction lines and described data line be arranged in parallel with layer.
Preferably, described array base palte also comprises: a plurality of pixel cells, each pixel cell comprise transistor seconds and the pixel electrode that is connected with the source electrode of described transistor seconds, and described induction electrode and described pixel electrode arrange with layer insulation.
Preferably, described induction electrode and described grid line arrange with layer insulation.
Preferably, at least one in many described grid lines is described touch-control sweep trace.
Preferably, described array base palte also comprises a plurality of pixel cells, and every adjacent three described pixel cell correspondences are provided with a described touch-control sensing unit.
Preferably, described induction electrode is strip electrode, square-shaped electrode, T-shaped electrode or L-type electrode.
The utility model also provides a kind of contact panel, comprises above-mentioned any array base palte.
The utility model also provides a kind of display device, comprises above-mentioned any contact panel.
The utility model beneficial effect is as follows: the coupling capacitance that adopts touch induction lines and induction electrode to form comes inductive operation person to touch the position of contact panel, due to the electric capacity of the vertically disposed coupling capacitance of the unit area electric capacity greater than the coupling capacitance that be arranged in parallel, thereby when reaching same sensitivity, reduced the area of non-display area on the array base palte, improve the aperture opening ratio of contact panel, and then improved the display brightness of display device.
Description of drawings
Fig. 1 is the structural representation of array base palte in prior art;
Fig. 2 is the structural representation of electric capacity embedded touch control panel in prior art;
The structural representation of the array base palte that Fig. 3 provides for the utility model embodiment;
The electric capacity embedded touch control panel that Fig. 4 provides for the utility model embodiment structural representation.
Reference numeral:
10-array base palte 20-transistor seconds 30-touch induction lines
31-induction electrode 40-the first transistor 41-grid
42-gate insulator 43-source electrode 44-drain electrode
45-transparency electrode 50-grid line 60-data line
70-pixel electrode 80-touch-control sweep trace
Embodiment
In order to improve the aperture opening ratio of contact panel, and then the brightness that improves display device.The utility model embodiment provides a kind of array base palte, contact panel and display device, by adopting vertically disposed coupling capacitance, reduce the area of non-display area on the array base palte, improved the aperture opening ratio of contact panel, and then improved the brightness of display device., for making the purpose of this utility model, technical scheme and advantage clearer, by the following examples the utility model is described in further detail.
As shown in Figure 3 and Figure 4, the electric capacity embedded touch control panel that the structural representation of the array base palte that Fig. 3 provides for the utility model embodiment, Fig. 4 provide for the utility model embodiment structural representation.Take the placement direction of array base palte shown in Figure 3 as reference direction.
A kind of array base palte that the utility model embodiment provides, comprise many grid lines 50 and data line 60, also comprise: a plurality of touch-control sensings unit, described touch-control sensing unit comprises touch-control sweep trace 80 interlaced with each other and touch induction lines 30, the first transistor 40 and induction electrode 31, the grid 41 of described touch-control sweep trace 80 and described the first transistor 40 44 is connected with being connected, and described induction electrode 31 is connected with the source electrode 43 of described the first transistor 40;
Described touch induction lines 30 is with described induction electrode 31 insulation layering settings and have overlapping region.
The principle of work of the array base palte that the utility model embodiment provides is:
vertical coupling capacitance of insulation layering setting and touch induction lines 30 with overlapping region and induction electrode 31 formation, touch-screen in use, the grid 41 of touch-control sweep trace 80 and described the first transistor 40 44 is connected with being connected, after touch-control sweep trace 80 passes into high level signal, the passageway that in conducting the first transistor 40, source electrode 43 and drain electrode 44 form, make induction electrode 31 charged, thereby the coupling capacitance that touch induction lines 30 and induction electrode are formed has certain electric capacity, when operator's finger touches arrives display screen, can produce the electric capacity between a finger and induction electrode 31, the variation of total coupling capacitance can be detected like this by touch induction lines 30, and then the position of definite touch-control.Because touch induction lines 30 forms vertical coupled electric capacity with the vertical overlapping region of induction electrode 31, and due to the electric capacity of the vertically disposed coupling capacitance of the unit area electric capacity greater than the coupling capacitance that be arranged in parallel, therefore, the array base palte that the utility model embodiment provides has reduced the area of non-display area on the array base palte when reaching same sensitivity, improve the aperture opening ratio of contact panel, thereby improved the display brightness of display device.
In the above-described embodiments, touch induction lines 30 and induction electrode 31 with vertical overlapping region have larger electric capacity, and when operator's finger touch arrived the contact panel of display device, the electric capacitance change of coupling capacitance 30 was larger, therefore, coupling capacitance 30 has sensitiveer detection degree.Further for the electric capacity of the coupling capacitance that improves formation, induction electrode 31 is along the setting party of touch induction lines 30 to having extension, thereby increased the area of the overlapping region between touch induction lines 30 and induction electrode 31, improved the electric capacity of the coupling capacitance that forms.
In the above-described embodiments, described array base palte also comprises: a plurality of pixel cells, each pixel cell comprise transistor seconds 20 and the pixel electrode 70 that is connected with the source electrode 43 of described transistor seconds 20.Touch induction lines 30 with induction electrode 31 in order to form vertical coupling capacitance, touch induction lines 30 should be positioned at the different layer of array base palte with induction electrode 31, better, described touch induction lines 30 be arranged in parallel with layer with data line 60, touch induction lines 30 can form with a masking process with data line 60 like this, saves process costs; More, described touch induction lines 30 is in data line 60, has further increased the aperture opening ratio of contact panel.The setting position of induction electrode 31 can be different positions: described induction electrode 31 arranges with layer insulation with described pixel electrode 70, or described induction electrode 31 arranges with layer insulation with described grid line 50.Induction electrode 31 can form simultaneously with pixel electrode 70 or grid line 50 like this, simplifies preparation technology.
Concrete, in Fig. 3, induction electrode 31 is to arrange with layer with the grid 41 of the first transistor 40, can adopt identical material to form simultaneously.Be formed with gate insulator 42 on induction electrode 31, be formed with touch induction lines 30 on gate insulator 42, passivation layer 46 covers on touch induction lines 30 and gate insulator 42, on gate insulator 42 and passivation layer 46, via hole is set, the drain electrode 43 of exposing respectively induction electrode 31 and the first transistor, the drain electrode 43 of the first transistor is connected with induction electrode 31 by transparent electrode layer 45.
The factor that affects induction electrode 31 and touch induction lines 30 coupling capacitance size mainly contains two: one is the overlapping area between induction electrode 31 and touch induction lines 30.Can extend along the distribution arrangement of touch induction lines 30 by making induction electrode 31, perhaps touch induction lines 30 is extended to the direction of touch-control electrode 31, and perhaps both extend to increase overlapping area mutually, improve coupling capacitance, and then improves touch-control sensitivity.On the other hand, can reduce the spacing between induction electrode 31 and touch induction lines 30, the thickness that namely reduces gate insulator 42 increases coupling capacitance, improves touch-control sensitivity.
Need to prove, the induction electrode 31 in the present embodiment is as long as satisfied have overlapping area with touch induction lines 30, and concrete shape is not limit.Preferably, induction electrode can be strip electrode, square-shaped electrode, T-shaped electrode or L-type electrode, and in Fig. 4, this induction electrode is strip shaped electric poles.
In the above-described embodiments, touch-control surface sweeping line 80 can arrange in different ways, can form separately touch-control sweep trace 80 on array base palte 10, also can be with at least one in grid line 50 as touch-control sweep trace 80, in order further to improve the aperture opening ratio of contact panel, better, touch-control sweep trace 80 shares with grid line 50, makes contact panel have larger aperture opening ratio.
Continuation is with reference to figure 4, in the above-described embodiments, in order to improve the touch precision of contact panel, better, described array base palte 10 also comprises a plurality of pixel cells, every adjacent three described pixel cell correspondences are provided with a described touch-control sensing unit.Thereby make the touch-control sensing unit can detect the diverse location of finger touch to contact panel.Because the touch precision of contact panel is a millimeter rank, therefore, the producer can arrange the number of touch-control sensing unit voluntarily according to the requirement that touches precision, is not limited only to above-mentioned every adjacent touch-control sensing unit of three pixel cells correspondences.
In the above-described embodiments, described array base palte 10 also comprises the gate insulator 42 that is arranged at described grid 41 and source electrode 43, and described gate insulator 42 is positioned at described touch induction lines 30 and induction electrode 31.Between battery lead plate, the insulativity of insulating material directly has influence on the electric capacity of electric capacity, the gate insulator 42 that arranges on array base palte 10 has improved the electric capacity of the coupling capacitance of touch induction lines 30 and induction electrode 31 overlapping regions formation, thereby has improved the detection sensitivity of contact panel.
In the above-described embodiments, described array base palte 10 also comprise be arranged at described source electrode 43, the drain electrode 44, on passivation layer 46.The passivation layer 46 that increases is positioned at the outermost of described array base palte 10, thereby source electrode 43, drain electrode 44, touch induction lines 30 are well protected, and has avoided being scratched in process of production, has improved the quality of the array base palte 10 of producing.
A kind of contact panel that the utility model embodiment provides, above-mentioned any array base palte.Have better detection sensitivity and better aperture opening ratio.
A kind of display device that the utility model embodiment provides, comprise above-mentioned any contact panel, has better display brightness.This display device can be display, mobile phone, TV, notebook, all-in-one etc., be and will be understood by those skilled in the art that to have for other requisite ingredient of display device, do not do and repeat at this, should be as to restriction of the present utility model yet.
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 (9)
1. array base palte, comprise many grid lines and data line, it is characterized in that, also comprise: a plurality of touch-control sensings unit, described touch-control sensing unit comprises touch-control sweep trace interlaced with each other and touch induction lines, the first transistor and induction electrode, described touch-control sweep trace is connected with being connected with the grid of described the first transistor, and described induction electrode is connected with the source electrode of described the first transistor;
Described touch induction lines and described induction electrode insulation layering setting and have overlapping region.
2. array base palte as claimed in claim 1, is characterized in that, described touch induction lines and described data line be arranged in parallel with layer.
3. array base palte as claimed in claim 1, it is characterized in that, also comprise: a plurality of pixel cells, each described pixel cell comprises transistor seconds and the pixel electrode that is connected with the source electrode of described transistor seconds, described induction electrode and described pixel electrode arrange with layer insulation.
4. array base palte as claimed in claim 1, is characterized in that, described induction electrode and described grid line arrange with layer insulation.
5. array base palte as claimed in claim 1, is characterized in that, at least one in many described grid lines is described touch-control sweep trace.
6. array base palte as claimed in claim 1, is characterized in that, also comprises a plurality of pixel cells, and every adjacent three described pixel cell correspondences are provided with a described touch-control sensing unit.
7. array base palte as claimed in claim 1, is characterized in that, described induction electrode is strip electrode, square-shaped electrode, T-shaped electrode or L-type electrode.
8. a touch panel, is characterized in that, comprises array base palte as described in claim 1～7 any one.
9. a display device, is characterized in that, comprises contact panel as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203137100U CN203299793U (en) | 2013-05-31 | 2013-05-31 | Array substrate, touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203137100U CN203299793U (en) | 2013-05-31 | 2013-05-31 | Array substrate, touch panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299793U true CN203299793U (en) | 2013-11-20 |
Family
ID=49575791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203137100U Withdrawn - After Issue CN203299793U (en) | 2013-05-31 | 2013-05-31 | Array substrate, touch panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203299793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294317A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Array substrate, touch panel and display device |
| WO2015100927A1 (en) * | 2013-12-30 | 2015-07-09 | 京东方科技集团股份有限公司 | Array substrate, display panel, display method thereof and display device |
-
2013
- 2013-05-31 CN CN2013203137100U patent/CN203299793U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294317A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Array substrate, touch panel and display device |
| US20150145812A1 (en) * | 2013-05-31 | 2015-05-28 | Ordos Yuansheng Optoelectronics Co., Ltd. | Array substrate, touch screen panel and display device |
| US9310948B2 (en) * | 2013-05-31 | 2016-04-12 | Ordos Yuansheng Optoelectronics Co., Ltd. | Array substrate, touch screen panel and display device |
| WO2015100927A1 (en) * | 2013-12-30 | 2015-07-09 | 京东方科技集团股份有限公司 | Array substrate, display panel, display method thereof and display device |
| US9904089B2 (en) | 2013-12-30 | 2018-02-27 | Boe Technology Group Co., Ltd. | Array substrate, display panel and display method thereof, display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103294317B (en) | A kind of array base palte, contact panel and display device | |
| CN103699284B (en) | A kind of capacitance type in-cell touch panel and preparation method thereof, display device | |
| CN102841718B (en) | A kind of capacitance type in-cell touch panel and display device | |
| CN102213852B (en) | Touch displaying device and manufacturing method thereof | |
| CN103941496B (en) | A kind of array base palte, touch control LCD (Liquid Crystal Display) panel and its manufacture method | |
| CN103164058B (en) | Touch-screen, colored filter substrate, liquid crystal display | |
| CN103713414B (en) | Touch-control liquid crystal display panel and device | |
| CN102967976B (en) | Mirror surface display substrate and manufacturing method thereof as well as liquid crystal mirror surface display substrate | |
| CN107193144A (en) | LTPS array base paltes and preparation method thereof | |
| CN104503648A (en) | Embedded type touch screen and display device | |
| CN104536633B (en) | Array base palte and preparation method thereof, display device | |
| CN104035640A (en) | Embedded touch screen and display device | |
| CN107885389A (en) | A kind of display panel and display device | |
| CN104020910A (en) | In cell touch panel and display device | |
| CN205375439U (en) | It is embedded from holding touch screen and display device | |
| CN107490886A (en) | A kind of array base palte, touch-control display panel and touch control display apparatus | |
| CN103019476B (en) | Touch display unit and preparation method thereof, display device | |
| CN105786263A (en) | Embedded type touch screen, driving method thereof and display device | |
| CN104730782A (en) | Array substrate, display panel and display device | |
| CN202838292U (en) | Capacitance-type embedded touch screen and display device | |
| CN106526997A (en) | Array substrate, display panel and display device | |
| CN202736009U (en) | Capacitance type embedded touch screen and display device | |
| CN105116585A (en) | Touch panel, array substrate and manufacturing method of array substrate | |
| CN106842663A (en) | A kind of array base palte and manufacture method, touch-control display panel and touch control display apparatus | |
| CN103941506A (en) | Pixel structure, display panel, display device and manufacturing method of display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131120 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |