CN204731755U - Array substrate and touch display device - Google Patents
Array substrate and touch display device Download PDFInfo
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- CN204731755U CN204731755U CN201520411098.XU CN201520411098U CN204731755U CN 204731755 U CN204731755 U CN 204731755U CN 201520411098 U CN201520411098 U CN 201520411098U CN 204731755 U CN204731755 U CN 204731755U
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- 239000000758 substrate Substances 0.000 title claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 41
- 239000010410 layer Substances 0.000 claims description 67
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 5
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
An array substrate and a touch display device including a substrate, the substrate comprising: a display area and a non-display area disposed around the display area, the non-display area including: touch-control electrode, shielding layer and peripheral circuit. The shielding layer is located between the touch electrode and the peripheral circuit. The touch electrode is at least partially overlapped with the orthographic projection of the peripheral circuit and the shielding layer on the substrate. The shielding layer is arranged between the touch electrode and the peripheral circuit, so that the influence of the peripheral circuit in a non-display area on the signal of the touch electrode can be eliminated while the edge touch characteristic of the array substrate is improved, and meanwhile, the shielding layer is manufactured without additionally increasing process steps and increasing the cost.
Description
Technical field
The present invention relates to touch-control field, particularly a kind of array base palte and a kind of touch control display apparatus comprising this array base palte.
Background technology
Touch display screen inputs medium as one, and be current the most a kind of man-machine interaction mode, therefore, touch Presentation Function is integrated in liquid crystal display by increasing product.As everyone knows, for touch display screen, comprising viewing area and the non-display area around viewing area, be generally provided with the touch electrode realizing touch controllable function in viewing area, being generally provided with the peripheral circuit for realizing shift LD function at non-display area.In the prior art, the touch control electrode realizing touch controllable function is generally arranged in viewing area, there is no extending out of any degree, namely can not touch control electrode be extended out to non-display area, the shortcoming of such design is that edge touch control characteristics is poor, user when touching the marginal position of touching display screen, touch-control poor effect.But if extend out to non-display area by touch control electrode, because non-display area includes peripheral circuit, peripheral circuit can produce very strong electric field, and then affects the touching signals of touch control electrode.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides following technical scheme, specifically comprises:
A kind of array base palte is provided, comprise substrate, described substrate comprises: viewing area and the non-display area arranged around described viewing area, described non-display area comprises: touch control electrode, screen layer and peripheral circuit, described screen layer between described touch control electrode and described peripheral circuit, wherein said touch control electrode and described peripheral circuit and the orthogonal projection on the substrate of described screen layer overlapping at least partly.
By arranging screen layer between touch control electrode and peripheral circuit, while improving the edge touch control characteristics of array base palte, the peripheral circuit of non-display area can be eliminated on the impact of the signal of touch control electrode, simultaneously, the making of screen layer without the need to additional process step, without the need to increasing cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the planimetric map of a kind of array base palte that the utility model embodiment provides;
Fig. 2 is the cut-open view of a kind of array base palte that the utility model embodiment provides;
Fig. 3 is the cut-open view of the another kind of array base palte that the utility model embodiment provides;
Fig. 4 is the cut-open view of the another kind of array base palte that the utility model embodiment provides;
Fig. 5 is the cut-open view of the another kind of array base palte that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, it is the planimetric map of a kind of array base palte 100 that the utility model embodiment provides, for convenience of description, the position relevant to the follow-up technical scheme that will illustrate of the utility model in array substrate 100, rete or electrode etc. are described, and remaining part is omitted at this.Concrete, array base palte 100 comprises substrate 101, the non-display area 120 that substrate 101 comprises viewing area 110 and arranges around viewing area 110.It should be noted that, the relative position relation of non-display area that Fig. 1 just schematically provides viewing area and arranges around viewing area, but and be not specifically limited, such as, in some cases, from plane, " blank position " be positioned at above and below viewing area 110 is also non-display area.
The pixel cell that viewing area 110 generally comprises touch control electrode and is arranged in array, generally comprises peripheral circuit at non-display area 120.In the prior art, the touch control electrode being arranged in viewing area 110 is only arranged on viewing area 110, and can not " extend out " to non-display area 120, and such shortcoming is, when finger touch is to the position, boundary of viewing area 110 and non-display area 120, the sensitivity of touch-control is not good; If touch control electrode extended out to non-display area 120, owing to being provided with large-area peripheral circuit in non-display area 120, the electric signal that peripheral circuit produces can cause interference to the touching signals of touch control electrode.
Based on this, please refer to Fig. 2, the cut-open view of a kind of array base palte 100 that Fig. 2 provides for the utility model embodiment, concrete, Fig. 2 is the cut-open view along line of cut AA ' in Fig. 1.Concrete, comprise the public electrode 111 being positioned at viewing area 110 and the pixel electrode 113 be arranged between substrate 101 and public electrode 111, public electrode 111 is positioned at the top of pixel electrode 113, and is arranged by interlayer insulating film 112 insulation both this.Public electrode concurrent multiplexing does touch control electrode, and namely public electrode 111 receives common signal when array base palte 100 is in the display stage, forms potential difference (PD) with this and pixel electrode 113, and relies on this potential difference (PD) to drive the rotation of liquid crystal molecule, to show different pictures; Public electrode 111 receives touching signals when array base palte 100 is in the touch-control stage, to judge the particular location that touch-control occurs.Meanwhile, touch control electrode 111 extends out to non-display area 120 from viewing area 110, and, be also provided with one deck screen layer 115 at non-display area 120.In the present embodiment, preferably, screen layer 115 and pixel electrode 113 are positioned at same layer, and namely screen layer 115 and pixel electrode 113 are in manufacturing process, are that identical layer of material is formed in etching technics.General, screen layer 115 adopts the transparent metal material identical with public electrode 111 with pixel electrode 113, such as tin indium oxide, indium zinc oxide or include the alloy of tin indium oxide and indium zinc oxide.Also comprise peripheral circuit 117 at non-display area, peripheral circuit 117 generally comprises ESD electrostatic defending district, gate driver circuit and cabling district etc.Screen layer 115 is between peripheral circuit 117 and touch control electrode 111, peripheral circuit 117 and screen layer 115 and touch control electrode 111 extend out the projection on the direction perpendicular to substrate 101 of part to non-display area 120 and orthogonal projection overlaps at least partly, and the overlapping region of three's projection is region A.
By adopting such design, namely one deck screen layer 115 is provided with between the touch control electrode 111 in non-display area 120 and peripheral circuit 117, the small part that is projected on the direction perpendicular to substrate 101 overlaps screen layer 115 with touch control electrode 111 and peripheral circuit 117, can improve array base palte 100 viewing area 110 and non-display area 120 have a common boundary position touch control characteristics while, effectively shield the signal disturbing of peripheral circuit 117 pairs of touch control electrode 111.
It should be noted that, the design of screen layer 115 also can not limit to structure in the embodiment depicted in figure 2, concrete, can with reference to the another kind of array base palte shown in Fig. 3.Because Fig. 3 with Fig. 2 compares, just the design of screen layer 115 changes, and the not change of other rete, and therefore Reference numeral has in figure 3 continued to use the Reference numeral in Fig. 2 substantially.Concrete, in figure 3, touch control electrode 111 and the projection of peripheral circuit 117 on the direction perpendicular to substrate 101 have the first overlay region B, and the projection of screen layer 115 on the direction perpendicular to substrate 101 and orthogonal projection cover the first overlay region B.Be compared to embodiment illustrated in fig. 2 in array base palte 100, in the technical scheme disclosed in Fig. 3, screen layer 115 can on the direction perpendicular to substrate 101 more fully the electric signal of shield perimeter circuit 117 to the signal disturbing of touch control electrode 111.
It should be noted that, the design of screen layer 115 also can not be confined to Fig. 2 and embodiment illustrated in fig. 3 in structure, concrete, can with reference to the another kind of array base palte shown in Fig. 4.Because Fig. 4 with Fig. 2, Fig. 3 compare, just the design of screen layer 115 changes, and the not change of other rete, and therefore Reference numeral has in the diagram continued to use the Reference numeral in Fig. 2 and Fig. 3 substantially.Concrete, in the diagram, the projection of peripheral circuit 117 on the direction perpendicular to substrate 101 and orthogonal projection have region C, the projection of screen layer 115 on the direction perpendicular to substrate 101 and the complete overlay area C of orthogonal projection, namely screen layer 115 orthogonal projection on the substrate 101 covers peripheral circuit 117 orthogonal projection on the substrate 101.Be compared to Fig. 2 and embodiment illustrated in fig. 3 in array base palte 100, in the technical scheme disclosed in Fig. 4, there is the region that peripheral circuit 117 exists, screen layer 115 is all adopted to cover (shielding) it, therefore be compared to the array base palte shown in Fig. 2 and Fig. 3, the array base palte that Fig. 4 provides can the electric signal of more fully shield perimeter circuit 117 to the signal disturbing of touch control electrode 111.
Shown in institute Fig. 5, it is the cut-open view of the another kind of array base palte 200 that the utility model embodiment provides.Concrete, comprise the pixel electrode 211 being positioned at viewing area 110 and the public electrode 213 be arranged between substrate 201 and pixel electrode 211, public electrode 213 is positioned at the below of pixel electrode 211, and is arranged by interlayer insulating film 212 insulation both this.Public electrode 213 concurrent multiplexing does touch control electrode, and namely public electrode 213 receives common signal when array base palte 200 is in the display stage, forms potential difference (PD) with pixel electrode 211, and relies on this potential difference (PD) to drive the rotation of liquid crystal molecule, to show different pictures; Public electrode 213 receives touching signals when array base palte 200 is in the touch-control stage, to judge the particular location that touch-control occurs.Because public electrode 213 generally adopts identical material with pixel electrode 211, i.e. transparent metal material tin indium oxide or indium zinc oxide etc., at non-display area 120, also be provided with the first touch control electrode 211a being positioned at same layer with pixel electrode 211, namely, in manufacturing process, the first touch control electrode 211a and pixel electrode 211 are that identical layer of material is formed in etching technics.Separate with interlayer insulating film 212 between pixel electrode 211 and public electrode 213, interlayer insulating film 212 has a via hole 219, via hole 219 expose portion public electrode 213, and the first touch control electrode 211a is electrically connected with public electrode 213 by via hole 219.Because public electrode 213 is multiplexing as touch control electrode, therefore, by such design, touch control electrode 213 is just equivalent to extend out to non-display area 120, that is, because public electrode 213 is electrically connected with the first touch control electrode 211a, when public electrode 213 receives touching signals by via hole 219, the while of first touch control electrode 211a and public electrode 213 integrally, for performing touch controllable function.One deck screen layer 215 is also provided with at non-display area 120, in the present embodiment, preferably, screen layer 215 and public electrode 213 are positioned at same layer, namely screen layer 215 and public electrode 213 are in manufacturing process, are that identical layer of material is formed in etching technics.Peripheral circuit 217 is also comprised at non-display area 120, the be projected to small part of part 211a on the direction perpendicular to substrate 201 that peripheral circuit 217, screen layer 215 and touch control electrode 213 extend out to non-display area 120 overlaps, and the overlapping region of three's projection is region D.
By adopting such design, namely one deck screen layer 215 is provided with between the first touch control electrode 211a in non-display area 120 and peripheral circuit 217, the small part that is projected on the direction perpendicular to substrate 201 overlaps screen layer 215 with the first touch control electrode 211a and peripheral circuit 217, can improve array base palte 200 viewing area 110 and non-display area 120 have a common boundary position touch control characteristics while, effectively shield the signal disturbing of peripheral circuit 217 to the first touch control electrode 211a.
It should be noted that, for the design not of the same race of the screen layer given by Fig. 3 and Fig. 4, be equally applicable to the array base palte that Fig. 5 utility model embodiment provides, do not repeat them here.
It should be noted that, for in the embodiment not of the same race of the array base palte shown in Fig. 2 to Fig. 5, preferably, when array base palte is operated in the touch-control stage, when namely public electrode receives touching signals, a signal (size waveforms, the frequency of signal all identical) identical with touching signals is applied to screen layer simultaneously, the benefit of such design is, can prevent from forming electric capacity between touch control electrode and screen layer, thus the load in touch control electrode can be reduced, reduce power consumption further.
It should be noted that, for in the embodiment not of the same race of the array base palte shown in Fig. 2 to Fig. 5, peripheral circuit 217 generally comprises amorphous silicon gate could pole unit, for convenience of description, in the film layer structure shown in Fig. 2 to Fig. 5 for the purpose of simplifying the description, peripheral circuit 217 has been simplified to single layer structure, general, peripheral circuit is double-decker, concrete, and amorphous silicon gate could pole unit comprises and is positioned at the first electrode layer on substrate and the second electrode lay.Same, generally also comprise in viewing area and be positioned at gate electrode layer on substrate and source-drain electrode layer, in order to save cost, the first electrode layer of amorphous silicon gate could pole unit can make with layer with gate electrode layer, and the second electrode lay of amorphous silicon gate could pole unit can make with layer with source-drain electrode layer.
The utility model embodiment also proposes a kind of touch control display apparatus, this touch control display apparatus comprise as in Fig. 1 to Fig. 5 the array base palte that provides, touch control display apparatus can be the terminal display device such as mobile phone, panel computer.
The array base palte provided the utility model embodiment above and touch control display apparatus are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an array base palte, comprise substrate, described substrate comprises: viewing area and the non-display area arranged around described viewing area, described non-display area comprises: touch control electrode, screen layer and peripheral circuit, described screen layer between described touch control electrode and described peripheral circuit, wherein said touch control electrode and described peripheral circuit and the orthogonal projection on the substrate of described screen layer overlapping at least partly.
2. array base palte according to claim 1, is characterized in that, described touch control electrode and described peripheral circuit orthogonal projection overlapping region is on the substrate the first overlay region, and the orthogonal projection on the substrate of described screen layer covers described first overlay region.
3. array base palte according to claim 1, is characterized in that, the orthogonal projection on the substrate of described screen layer covers the orthogonal projection on the substrate of described peripheral circuit.
4. array base palte according to claim 1, it is characterized in that, described viewing area comprises public electrode and is arranged on the pixel electrode between described substrate and described public electrode, described touch control electrode and described public electrode arrange with layer and are electrically connected, and described screen layer and described pixel electrode are arranged with layer.
5. array base palte according to claim 1, it is characterized in that, comprise pixel electrode in described viewing area and be arranged on the public electrode between described substrate and described pixel electrode, described screen layer and described public electrode are arranged with layer, and described touch control electrode and described pixel electrode arrange with layer and be electrically connected with described public electrode.
6. array base palte according to claim 5, it is characterized in that, also interlayer insulating film is comprised between described screen layer and described touch control electrode, described interlayer insulating film is provided with via hole, public electrode described in described via hole expose portion, described touch control electrode is electrically connected with described public electrode by described via hole.
7. the array base palte according to claim 4 or 5, is characterized in that, described public electrode receives identical signal with described guarded electrode.
8. array base palte according to claim 1, it is characterized in that, described peripheral circuit comprises amorphous silicon gate could pole unit, described amorphous silicon gate could pole unit comprises and is positioned at the first electrode layer on described substrate and the second electrode lay, described viewing area also comprises and is positioned at gate electrode layer on described substrate and source-drain electrode layer, described first electrode layer and the same layer of described gate electrode layer, described the second electrode lay and the same layer of described source-drain electrode layer.
9. array base palte according to claim 1, is characterized in that, described screen layer is transparent metal material tin indium oxide, indium zinc oxide or the alloy including tin indium oxide and indium zinc oxide.
10. a touch control display apparatus, comprises array base palte as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411098.XU CN204731755U (en) | 2015-06-15 | 2015-06-15 | Array substrate and touch display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520411098.XU CN204731755U (en) | 2015-06-15 | 2015-06-15 | Array substrate and touch display device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783871A (en) * | 2016-11-18 | 2017-05-31 | 上海天马微电子有限公司 | Array substrate, display panel and manufacturing method |
| CN106908977A (en) * | 2017-04-28 | 2017-06-30 | 京东方科技集团股份有限公司 | A kind of touch display substrate, touch control display apparatus and touch control display method |
| CN107065365A (en) * | 2017-06-16 | 2017-08-18 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107092400A (en) * | 2017-06-27 | 2017-08-25 | 上海天马微电子有限公司 | Touch display panel and touch display device comprising same |
| CN108108051A (en) * | 2015-12-08 | 2018-06-01 | 上海天马微电子有限公司 | Integrated touch display panel and touch display device |
| CN108563054A (en) * | 2015-12-08 | 2018-09-21 | 上海天马微电子有限公司 | Integrated touch display panel and touch display device |
| US10418385B2 (en) | 2016-11-18 | 2019-09-17 | Shanghai Tianma Micro-electronics Co., Ltd. | Array substrate and fabrication method thereof, display panel |
| CN110399960A (en) * | 2019-06-27 | 2019-11-01 | 上海天马微电子有限公司 | Display device and manufacturing method |
| CN111104006A (en) * | 2020-02-19 | 2020-05-05 | 京东方科技集团股份有限公司 | Touch display substrate and touch display device |
| WO2021208144A1 (en) * | 2020-04-16 | 2021-10-21 | 深圳市华星光电半导体显示技术有限公司 | Self-capacitance touch-control display panel and drive method therefor, and display apparatus |
| WO2022057541A1 (en) * | 2020-09-16 | 2022-03-24 | 京东方科技集团股份有限公司 | Display panel and driving method and preparation method therefor, and display apparatus |
| WO2023040596A1 (en) * | 2021-09-14 | 2023-03-23 | 京东方科技集团股份有限公司 | Display substrate and display device |
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- 2015-06-15 CN CN201520411098.XU patent/CN204731755U/en active Active
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| CN108108051B (en) * | 2015-12-08 | 2021-01-22 | 北海惠科光电技术有限公司 | Integrated touch display panel and touch display device |
| CN108563054B (en) * | 2015-12-08 | 2021-05-14 | 上海天马微电子有限公司 | Integrated touch display panel and touch display device |
| CN108563054A (en) * | 2015-12-08 | 2018-09-21 | 上海天马微电子有限公司 | Integrated touch display panel and touch display device |
| CN108108051A (en) * | 2015-12-08 | 2018-06-01 | 上海天马微电子有限公司 | Integrated touch display panel and touch display device |
| US10418385B2 (en) | 2016-11-18 | 2019-09-17 | Shanghai Tianma Micro-electronics Co., Ltd. | Array substrate and fabrication method thereof, display panel |
| CN106783871A (en) * | 2016-11-18 | 2017-05-31 | 上海天马微电子有限公司 | Array substrate, display panel and manufacturing method |
| CN106908977A (en) * | 2017-04-28 | 2017-06-30 | 京东方科技集团股份有限公司 | A kind of touch display substrate, touch control display apparatus and touch control display method |
| CN106908977B (en) * | 2017-04-28 | 2020-06-05 | 京东方科技集团股份有限公司 | Touch display substrate, touch display device and touch display method |
| CN107065365A (en) * | 2017-06-16 | 2017-08-18 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107065365B (en) * | 2017-06-16 | 2020-07-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN107092400A (en) * | 2017-06-27 | 2017-08-25 | 上海天马微电子有限公司 | Touch display panel and touch display device comprising same |
| CN107092400B (en) * | 2017-06-27 | 2019-10-01 | 上海天马微电子有限公司 | Touch display panel and touch display device comprising same |
| CN110399960A (en) * | 2019-06-27 | 2019-11-01 | 上海天马微电子有限公司 | Display device and manufacturing method |
| CN110399960B (en) * | 2019-06-27 | 2023-01-31 | 上海天马微电子有限公司 | Display device and manufacturing method |
| CN111104006B (en) * | 2020-02-19 | 2024-05-28 | 京东方科技集团股份有限公司 | Touch display substrate and touch display device |
| CN111104006A (en) * | 2020-02-19 | 2020-05-05 | 京东方科技集团股份有限公司 | Touch display substrate and touch display device |
| WO2021208144A1 (en) * | 2020-04-16 | 2021-10-21 | 深圳市华星光电半导体显示技术有限公司 | Self-capacitance touch-control display panel and drive method therefor, and display apparatus |
| WO2022057541A1 (en) * | 2020-09-16 | 2022-03-24 | 京东方科技集团股份有限公司 | Display panel and driving method and preparation method therefor, and display apparatus |
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