CN203178630U - Array substrate and display device - Google Patents
Array substrate and display device Download PDFInfo
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- CN203178630U CN203178630U CN2013202243348U CN201320224334U CN203178630U CN 203178630 U CN203178630 U CN 203178630U CN 2013202243348 U CN2013202243348 U CN 2013202243348U CN 201320224334 U CN201320224334 U CN 201320224334U CN 203178630 U CN203178630 U CN 203178630U
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Abstract
The embodiment of the utility model provides an array substrate and a display device and relates to the technical field of display. The aperture opening ratio of the display device can be increased. The touch control array substrate comprises grid lines, data lines, pixel electrodes, thin film transistors, a common electrode, first sense lines and second sense lines, wherein the pixel electrodes and the thin film transistors are arranged in pixel regions defined by the grid lines and the data lines; the first sense lines and the second sense lines are correspondingly and vertically arranged in parallel and intersected with electrode bars on the common electrode; the first sense lines are located between a pattern layer where the second sense lines are located and a pattern layer where the common electrode is located; and the second sense lines are electrically connected with the common electrode.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of array base palte and display device.
Background technology
Along with the development of display technique, occurred importing, the integrated touch control display device of outlet terminal, along with the appearance of small and exquisite, slim and graceful a series of products such as handheld touch equipment, market is to the rush of demand of touch control display device.In existing various touch control display devices, the projecting type capacitor contactor control device in the capacitance touch-control device becomes main exploitation direction owing to advantages such as can realizing real multi-point touch and high sensitivity.
As shown in Figure 1, array base palte for a kind of mutual inductance type capacitance touching control display device in the existing described projecting type capacitor touch screen, described array base palte comprises grid line 11, data line 12, pixel electrode 13 and TFT (Thin Film Transistor in the pixel region that grid line 11 and data line 12 limit, Thin Film Transistor (TFT)) 14, the public electrode 15 and the sense line 16 that also comprise strip arranged in a crossed manner on the array base palte of described mutual inductance type capacitance touching control display device, described sense line 16 arranges with layer with described data line 12, described public electrode 15 drives for timesharing, when the detecting touch position, load alternating voltage at described public electrode, between described public electrode 15 and described sense line 16, form coupling capacitance.During described finger touch as the people, finger can produce new electric capacity with described public electrode 15 and described sense line 16, by the changes in capacitance of scanning public electrode 15 and sense line 16 infalls, can judge touch point position.
Utility model people finds, array base palte in the above-mentioned touch control display apparatus, in substrate, increased a sense line that arranges with layer with data line newly, its introducing can cause the aperture opening ratio of display device to reduce, and in order to realize touching the sensitivity of demonstration, described sense line just needs enough wide, and described public electrode between form enough big coupling capacitance, this has just further reduced the aperture opening ratio of display device.
The utility model content
Embodiment of the present utility model provides a kind of array base palte and display device, can improve the aperture opening ratio of display device.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of array base palte comprises grid line, and data line is arranged on interior pixel electrode and the thin film transistor (TFT) of pixel region that described grid line and data line limit, and public electrode; Also comprise:
First sense line and second sense line, parallel corresponding setting the with the described second sense line levels of described first sense line, and all with described public electrode on electrode strip arranged in a crossed manner;
Wherein, described first sense line is between the patterned layer at the patterned layer at the described second sense line place and described public electrode place, and described second sense line is electrically connected with described public electrode.
Optionally, described first sense line and described data line arrange with layer, and parallel with described data line; Described second sense line and described grid line arrange with layer, and are not communicated with described grid line.
Optionally, described first sense line and described grid line arrange with layer, and parallel with described grid line; Described second sense line and described data line arrange with layer, and are not communicated with described data line.
Optionally, each electrode strip on the described public electrode is electrically connected.
A kind of display device comprises above-mentioned array base palte.
The array base palte that the utility model embodiment provides and display device, by set up one with described first sense line second sense line of corresponding setting up and down, and described second sense line is electrically connected with described public electrode, make between described second sense line and first sense line and also produce coupling capacitance, realized the parallel connection of electric capacity, make the area of first sense line of the electrode strip infall of first sense line and public electrode be repeated to use twice, have only first sense line to compare with of the prior art like this, under equal sensitivity situation, the area of first sense line in the utility model be of the prior art half, and second sense line that increases almost superposes fully with described first sense line, being exposed to the outer part of described first sense line can ignore, so the array base palte that the utility model provides can improve the aperture opening ratio of display device.
Description of drawings
Fig. 1 is the plan structure synoptic diagram of a kind of array base palte of the prior art;
The plan structure synoptic diagram of a kind of array base palte that Fig. 2 provides for the utility model embodiment;
The driving signal schematic representation of the array base palte that Fig. 3 provides for the utility model embodiment;
The plan structure synoptic diagram of the another kind of array base palte that Fig. 4 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.
The utility model embodiment provides a kind of array base palte, as shown in Figure 2, described array base palte comprises grid line 21, data line 22, be arranged on interior pixel electrode 23 and the thin film transistor (TFT) 24 of pixel region that described grid line 21 and data line 22 limit, and public electrode 25; Described array base palte also comprises first sense line 26 and second sense line 27, parallel corresponding setting the with described second sense line, 27 levels of described first sense line 26, all with described public electrode on 25 electrode strip arranged in a crossed manner; Wherein, described first sense line 26 is between the patterned layer at the patterned layer at described second sense line 27 places and described public electrode 25 places, and described second sense line 27 is electrically connected with described public electrode 25.
As shown in Figure 2, the electrode strip on the described public electrode 25 and described first sense line 26 are arranged in a crossed manner, and the bar number of first sense line touches area etc. according to size of substrate and user and decides on the described array base palte.Described second sense line and the corresponding setting up and down of described first sense line, the below that is each bar first sense line all is provided with some second sense lines, the number of the pixel electrode on the described first sense line direction be exactly every first sense line below the second sense line number.In the utility model embodiment, described touch location is to realize according to the cross wire of described public electrode and described first sense line, can be by the electrode strip of measurement public electrode and the capacitance variations between first sense line, define electrode strip and the sense line of capacitance variations, it is exactly touch location that the electrode strip of capacitance variations and the infall of sense line are arranged.
In the utility model embodiment, described public electrode adopts the timesharing method of driving, the time that shows each two field picture is divided into demonstration time and touch time, as shown in Figure 3, in the demonstration time, the voltage Vcom on the public electrode is DC voltage, optionally, described Vcom can be 0, and certain described Vcom can be alternating voltage also, does not limit at this.Difference load driver voltage G1, G2, G3...... on each grid line, display device shows image.In the touch time, the drive voltage signal Vcom of described public electrode is pumping signal, described second sense line is electrically connected with described common electric voltage, voltage signal Tx on described second sense line also is pumping signal at this moment, voltage signal Rx on the described first sensor is direct current signal, preferably, the DC voltage that loads on described first sense line is 0.Like this when the touch time drives described public electrode, except the coupling capacitance C1 that produces between described public electrode and described first sense line, also produce between described second sense line and described first sense line coupling capacitance C2 is arranged, and described C1 and C2 are in parallel, this is repeated to use twice with regard to the area that is equivalent to described first sense line of infall, produces two coupling capacitances.
When the user touches display device, can influence the coupling between near the public electrode in touch place and the sense line, thereby change the electric capacity at this place.When measuring capacitance size, all send pumping signal on each electrode strip of public electrode, all be connected metering circuit on each electrode strip of all first sense lines and public electrode, whether the capacitance that can measure all public electrodes and the first sense line joint like this changes, and the joint that the capacitance bad student changes is exactly the coordinate of touch point.
The array base palte that the utility model embodiment provides, by set up one with described first sense line second sense line of corresponding setting up and down, and described second sense line is electrically connected with described public electrode, make between described second sense line and first sense line and also produce coupling capacitance, realized the parallel connection of electric capacity, make the area of first sense line of the electrode strip infall of first sense line and public electrode be repeated to use twice, have only first sense line to compare with of the prior art like this, under equal sensitivity situation, the area of first sense line in the utility model be of the prior art half, and second sense line that increases almost superposes fully with described first sense line, being exposed to the outer part of described first sense line can ignore, so the array base palte that the utility model provides can improve the aperture opening ratio of display device.
Optionally, when described array base palte was bottom grating structure, as shown in Figure 2, described first sense line 26 arranged with layer with described data line 22, and parallel with described data line 22; Described second sense line 27 arranges with layer with described grid line 21, and is not communicated with described grid line 21.
At this moment, the electrode strip of public electrode 25 and described data line 22 are arranged in a crossed manner, described first sense line 26 be positioned at described second sense line 27 directly over, the corresponding setting in parallel.Described first sense line 26 is all parallel with described data line with described second sense line 27, and arranged in a crossed manner with the electrode strip of described public electrode.Here described first sense line 26 arranges with layer with described data line 22, and described second sense line 27 arranges with layer with described grid line 21, just can produce the array base palte that the utility model embodiment provides like this under the situation that does not increase composition technology number of times.
In the utility model embodiment, described layer together arranges at least two kinds of patterns; At least two kinds of patterns refer to layer setting: same film is formed at least two kinds of patterns by composition technology.For example, data line and first sense line refer to layer setting: form data line and first sense line by same metallic film by composition technology.
Optionally, when described array base palte was top gate structure, as shown in Figure 4, described first sense line 26 arranged with layer with described grid line 21, and parallel with described grid line 21; Described second sense line 27 arranges with layer with described data line 22, and is not communicated with described data line 22.
At this moment, the electrode strip of public electrode 25 and described grid line 21 are arranged in a crossed manner, described first sense line 26 be positioned at described second sense line 27 directly over, the corresponding setting in parallel.Described first sense line 26 and described second sense line 27 are all parallel with described grid line 21, and arranged in a crossed manner with the electrode strip of described public electrode 25.Described first sense line 26 arranges with layer with described grid line 21, and described second sense line 27 arranges with layer with described grid line 21, just can produce the array base palte that the utility model embodiment provides like this under the situation that does not increase composition technology number of times.
Certainly, in Fig. 2 and Fig. 4 array base palte, described public electrode all is the upper strata that is positioned at described first sense line and second sense line, when described public electrode is positioned at orlop, described first sense line is still between the patterned layer at the patterned layer at the described second sense line place and described public electrode place, described second sense line is positioned at the upper strata of described first sense line, is electrically connected with described public electrode.Concrete structure can be not described in detail in this with reference to figure 2 or Fig. 3.
The utility model embodiment also provides a kind of method for making of array base palte, the structure of described array base palte as shown in Figure 2, described method comprises:
S1, make metallic film at transparency carrier, form the pattern that comprises grid, grid line 21 and second sense line 27 by composition technology, described grid line 21 is arranged in a crossed manner with described second sense line 27, and is not communicated with.
S2, gate insulation layer and the semiconductor layer (not shown) of on the substrate that is manufactured with grid, grid line and second sense line, making the band via hole successively.
S3, make metallic film at the substrate that is manufactured with semiconductor layer, form the pattern that comprises source-drain electrode, data line 22 and first sense line 26 by composition technology, described data line 22 is parallel with described first sense line 26, described first sense line 26 be positioned at described second sense line 27 directly over.
S4, on the substrate that is manufactured with source-drain electrode, data line 22 and first sense line 26, make successively pixel electrode 23, the band via hole passivation layer and public electrode 25; Described public electrode 25 is connected with described second sense line 27 by the via hole of described passivation layer and the via hole of described gate insulation layer.
The utility model embodiment also provides a kind of method for making of array base palte, the structure of described array base palte as shown in Figure 3, described method comprises:
S1, make metallic film at substrate, form the pattern that comprises source-drain electrode, data line 22 and second sense line 27 by composition technology, described data line 22 is parallel with described second sense line 27.
S2, make the gate insulation layer of pixel electrode 23, semiconductor layer and band via hole at the substrate that is manufactured with source-drain electrode, data line 22 and second sense line 27.
S3, make metallic film at the substrate that is manufactured with gate insulation layer, form the pattern that comprises grid, grid line 21 and first sense line 26 by composition technology, described grid line 21 is parallel with described first sense line 26, described first sense line 26 be positioned at described second sense line 27 directly over.
S4, on the substrate that is manufactured with grid, grid line 21 and first sense line 26, make passivation layer and the public electrode 25 of band via hole successively; Described public electrode 25 is connected with described second sense line 27 by the via hole of described passivation layer and the via hole of described gate insulation layer.
The utility model embodiment also provides a kind of display device, comprise above-mentioned array base palte, described display device can have product or the parts of any touch display function for display panels, LCD, OLED display, OLED display panel, digital camera, mobile phone, panel computer or Electronic Paper etc.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by described protection domain with claim.
Claims (5)
1. an array base palte comprises grid line, and data line is arranged on interior pixel electrode and the thin film transistor (TFT) of pixel region that described grid line and data line limit, and public electrode; It is characterized in that, also comprise:
First sense line and second sense line, parallel corresponding setting the with the described second sense line levels of described first sense line, and all with described public electrode on electrode strip arranged in a crossed manner;
Wherein, described first sense line is between the patterned layer at the patterned layer at the described second sense line place and described public electrode place, and described second sense line is electrically connected with described public electrode.
2. array base palte according to claim 1 is characterized in that,
Described first sense line and described data line arrange with layer, and parallel with described data line;
Described second sense line and described grid line arrange with layer, and are not communicated with described grid line.
3. array base palte according to claim 1 is characterized in that,
Described first sense line and described grid line arrange with layer, and parallel with described grid line;
Described second sense line and described data line arrange with layer, and are not communicated with described data line.
4. array base palte according to claim 1 is characterized in that, each electrode strip on the described public electrode is electrically connected.
5. a display device is characterized in that, comprises any described array base palte of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202243348U CN203178630U (en) | 2013-04-27 | 2013-04-27 | Array substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202243348U CN203178630U (en) | 2013-04-27 | 2013-04-27 | Array substrate and display device |
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| Publication Number | Publication Date |
|---|---|
| CN203178630U true CN203178630U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202243348U Withdrawn - After Issue CN203178630U (en) | 2013-04-27 | 2013-04-27 | Array substrate and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280448A (en) * | 2013-04-27 | 2013-09-04 | 北京京东方光电科技有限公司 | Array substrate and manufacture method and display device thereof |
| CN103699284A (en) * | 2013-12-27 | 2014-04-02 | 京东方科技集团股份有限公司 | Capacitive built-in touch screen, production method thereof and display device |
-
2013
- 2013-04-27 CN CN2013202243348U patent/CN203178630U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280448A (en) * | 2013-04-27 | 2013-09-04 | 北京京东方光电科技有限公司 | Array substrate and manufacture method and display device thereof |
| CN103280448B (en) * | 2013-04-27 | 2016-01-06 | 北京京东方光电科技有限公司 | A kind of array base palte and preparation method thereof, display unit |
| CN103699284A (en) * | 2013-12-27 | 2014-04-02 | 京东方科技集团股份有限公司 | Capacitive built-in touch screen, production method thereof and display device |
| CN103699284B (en) * | 2013-12-27 | 2016-09-21 | 京东方科技集团股份有限公司 | A kind of capacitance type in-cell touch panel and preparation method thereof, display device |
| US9477361B2 (en) | 2013-12-27 | 2016-10-25 | Boe Technology Group Co., Ltd. | Capacitive in-cell touch panel, method for manufacturing the same and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150701 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150701 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city Daxing District economic and Technological Development Zone of Beijing Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |