CN102830850B - Contact panel and touch control display apparatus - Google Patents
Contact panel and touch control display apparatus Download PDFInfo
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- CN102830850B CN102830850B CN201210331631.2A CN201210331631A CN102830850B CN 102830850 B CN102830850 B CN 102830850B CN 201210331631 A CN201210331631 A CN 201210331631A CN 102830850 B CN102830850 B CN 102830850B
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- contact panel
- touch control
- layer
- electrode layer
- display apparatus
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- 239000000758 substrate Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims description 23
- 239000012528 membrane Substances 0.000 claims description 14
- -1 indium tin metal oxide Chemical class 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of contact panel, comprise the metal bridge be formed at successively on underlay substrate, the first insulation course, touch control electrode layer, the second insulation course, flatness layer and cover layer, be provided with at the edge of described contact panel and connect up with the periphery of described metal bridge with layer, between described second insulation course and described flatness layer, be formed with the guard electrode layer covering the wiring of described periphery.Present invention also offers a kind of touch control display apparatus comprising above-mentioned contact panel.Contact panel of the present invention is provided with guard electrode layer, reduces the noise caused owing to touching contact panel edge, improves the to-noise ratio of contact panel, enhance the performance of contact panel.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to a kind of contact panel and touch control display apparatus.
Background technology
In existing contact panel technology, externally embedded type (on cell) touch control display comprises liquid crystal panel and contact panel two parts, its structure as shown in Figure 1, comprise the lower polaroid 101 of layered arrangement successively, array base palte 102, liquid crystal layer 103, color membrane substrates 104, metal bridge 105, insulation course 106, touch control electrode layer 107(comprise drive electrode and induction electrode), flatness layer (OverCoat, OC) 108, upper polaroid 109 and glass cover-plate 110.Adding man-hour, making the periphery wiring 111 of the metal material be positioned at beyond viewing area (Active Area, AA) at the same layer of metal bridge 105, for being connected with touch control electrode.Wherein, touch control electrode can adopt nano indium tin metal oxide (Indium Tin Oxides, ITO) material to make; And in order to avoid drive electrode and induction electrode short circuit in touch control electrode layer 107, therefore drive electrode or induction electrode need to be undertaken putting up a bridge by metal bridge 105 to connect to realize the electrical connection between different drive electrodes or induction electrode.It should be noted that, show schematically only different Rotating fields in FIG, not shown herein for the annexation between touch control electrode layer 107 and metal bridge 105.
As shown in Figures 2 and 3, described periphery wiring 111 is positioned at the edge in contact panel plate face, during use when touching contact panel edge, because finger is close to described periphery wiring 111 too, cause finger large especially on the impact of other channels, produce larger noise.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: provide a kind of contact panel and touch control display apparatus, to reduce the noise caused when pointing touching contact panel edge, improves the performance of contact panel.
(2) technical scheme
For solving the problem, on the one hand, the invention provides a kind of contact panel, comprise the metal bridge be formed at successively on underlay substrate, the first insulation course, touch control electrode layer, the second insulation course, flatness layer and cover layer, be provided with at the edge of described contact panel and connect up with the periphery of described metal bridge with layer, between described second insulation course and described flatness layer, be formed with the guard electrode layer covering the wiring of described periphery.
Preferably, described guard electrode layer is rectangular box-like structure, and the width forming the moulding of described frame-shaped structure is greater than the width of the wiring of described periphery and every side frame bar corresponding sides.
Preferably, described guard electrode layer is positioned at the periphery of described contact panel viewing area.
Preferably, described guard electrode layer is nano indium tin metal oxide (ITO) or nanometer indium zinc metal oxide (IZO) material.
Preferably, between described flatness layer and described cover layer, also polaroid is provided with.
On the other hand, present invention also offers a kind of touch control display apparatus, comprise above-mentioned arbitrary contact panel.
Preferably, described touch control display apparatus also comprises the liquid crystal panel of the underlay substrate side being arranged on described contact panel, and described liquid crystal panel comprises the array base palte, liquid crystal layer and the color membrane substrates that are arranged in order.
Preferably, the color membrane substrates of described liquid crystal panel and the underlay substrate of described contact panel fit together.
Preferably, using the color membrane substrates of described liquid crystal panel as the underlay substrate of contact panel, described metal bridge is located at the side of described color membrane substrates towards exiting surface.
Preferably, between the flatness layer and cover layer of described contact panel, be provided with polaroid, be provided with lower polaroid in the outside of described array base palte.
(3) beneficial effect
Contact panel of the present invention is provided with guard electrode layer, reduces the noise caused owing to touching contact panel edge, improves the to-noise ratio of contact panel, enhance the performance of contact panel.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of prior art externally embedded type contact panel and liquid crystal panel;
Fig. 2 is the touch control electrode layer of prior art externally embedded type contact panel and the structural representation of periphery wiring;
Fig. 3 is the close-up schematic view of periphery wiring in I place in Fig. 2;
Fig. 4 is the cross section structure schematic diagram of embodiment of the present invention contact panel and liquid crystal panel;
Fig. 5 is the plan structure schematic diagram of embodiment of the present invention contact panel guard electrode layer;
Fig. 6 is the position relationship schematic diagram that embodiment of the present invention contact panel guard electrode layer and periphery connect up.
Embodiment
Below in conjunction with drawings and Examples, that the present invention is described in detail is as follows.
Embodiment one:
As shown in Figure 4, the present embodiment describes a kind of contact panel, comprise metal bridge 201, first insulation course 202 be formed at successively on underlay substrate, touch control electrode layer (ITO) 203, second insulation course 204, flatness layer (OC layer) 205, upper polaroid 206 and cover layer 207, be provided with at the edge of described contact panel and connect up 208 with described metal bridge 201 with the periphery of layer, between described second insulation course 204 and OC layer 205, be formed with the guard electrode layer 209 covering described periphery wiring 208.
It should be noted that, show schematically only different Rotating fields in the diagram, not shown herein for the annexation between touch control electrode layer 203 and metal bridge 201.
As shown in Figure 5 and Figure 6, in the present embodiment, described guard electrode layer 209 is rectangular box-like structure, and the width W 1 forming the moulding of described frame-shaped structure is greater than the width W 2 of described periphery wiring 208 and every side frame bar corresponding sides.In other embodiments of the invention, described guard electrode layer 209 can also be other structure, as long as along contact panel plate face covering periphery wiring 208, reduce to touch noise, and not affecting the touch control operation of contact panel.
In the present embodiment, described guard electrode layer is positioned at the periphery of described contact panel viewing area (ActiveArea, AA).
In the present embodiment, described guard electrode layer is nano indium tin metal oxide (ITO) or nanometer indium zinc metal oxide (IZO) material.
Embodiment two:
The present embodiment describes a kind of touch control display apparatus, comprises the contact panel that embodiment one is recorded.This touch control display apparatus can be but be not limited to be liquid crystal touch control display device; In addition, can also be based on OLED(organic light emitting diode) display waits the touch control display apparatus of display mode.
Figure 4 illustrates a kind of liquid crystal touch control display device, it comprises the structure of contact panel and the liquid crystal panel recorded in embodiment one.In the present embodiment, described liquid crystal panel comprises the lower polaroid 210, array base palte 211, liquid crystal layer 212 and the color membrane substrates 213 that are arranged in order, and described metal bridge 201 is located at the side of described color membrane substrates 213 towards exiting surface.In other embodiments of the invention, described liquid crystal panel can also increase or reducing portion layering, or is other different structure, as long as can realize liquid crystal display.
The contact panel of the present embodiment, when user's finger touches contact panel plate edge, face, due to the protective shielding effect to periphery wiring 208 of guard electrode layer 209, reduces the noise touched and cause, improves the performance of contact panel.
Touch control display apparatus shown in Fig. 4 is for On cell formula contact panel, namely the touch control display apparatus in Fig. 4 is the underlay substrate using the color membrane substrates 213 of liquid crystal panel as contact panel, and metal bridge 201 is just arranged on the side of color membrane substrates 213 towards exiting surface.
In addition, also the underlay substrate of the color membrane substrates of liquid crystal panel and contact panel can be fit together by bonding agent, to form out cell(external hanging type) touch control display apparatus.
Touch control display apparatus of the present invention is provided with guard electrode layer, reduces the noise caused owing to touching contact panel edge, improves the to-noise ratio of contact panel, enhance the performance of contact panel.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. a contact panel, it is characterized in that, comprise the metal bridge be formed at successively on underlay substrate same side, the first insulation course, touch control electrode layer, the second insulation course, flatness layer and cover layer, be provided with at the edge of described contact panel and connect up with the periphery of described metal bridge with layer, between described second insulation course and described flatness layer, be formed with the guard electrode layer covering the wiring of described periphery;
Described periphery wiring is positioned under described first insulation course and described touch control electrode layer with described metal bridge; Described first insulation course and described second insulation course lay respectively at the both sides of described touch control electrode layer.
2. contact panel as claimed in claim 1, it is characterized in that, described guard electrode layer is rectangular box-like structure, and the width forming the moulding of described frame-shaped structure is greater than the width of the wiring of described periphery and every side frame bar corresponding sides.
3. contact panel as claimed in claim 1, it is characterized in that, described guard electrode layer is positioned at the periphery of described contact panel viewing area.
4. contact panel as claimed in claim 1, it is characterized in that, described guard electrode layer is nano indium tin metal oxide or nanometer indium zinc metal oxide material.
5. contact panel as claimed in claim 1, is characterized in that, between described flatness layer and described cover layer, be also provided with polaroid.
6. a touch control display apparatus, is characterized in that, comprises the contact panel according to any one of claim 1-5.
7. touch control display apparatus as claimed in claim 6, it is characterized in that, also comprise the liquid crystal panel of the underlay substrate side being arranged on described contact panel, described liquid crystal panel comprises the array base palte, liquid crystal layer and the color membrane substrates that are arranged in order.
8. touch control display apparatus as claimed in claim 7, it is characterized in that, the color membrane substrates of described liquid crystal panel and the underlay substrate of described contact panel fit together.
9. touch control display apparatus as claimed in claim 7, it is characterized in that, using the color membrane substrates of described liquid crystal panel as the underlay substrate of contact panel, described metal bridge is located at the side of described color membrane substrates towards exiting surface.
10. touch control display apparatus as claimed in claim 7, is characterized in that, be provided with polaroid, be provided with lower polaroid in the outside of described array base palte between the flatness layer and cover layer of described contact panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210331631.2A CN102830850B (en) | 2012-09-07 | 2012-09-07 | Contact panel and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210331631.2A CN102830850B (en) | 2012-09-07 | 2012-09-07 | Contact panel and touch control display apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102830850A CN102830850A (en) | 2012-12-19 |
| CN102830850B true CN102830850B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210331631.2A Active CN102830850B (en) | 2012-09-07 | 2012-09-07 | Contact panel and touch control display apparatus |
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| CN (1) | CN102830850B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011038A (en) * | 2018-01-05 | 2019-07-12 | 京东方科技集团股份有限公司 | Phased array antenna, display panel and display device |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9259904B2 (en) | 2011-10-20 | 2016-02-16 | Apple Inc. | Opaque thin film passivation |
| CN104867404A (en) * | 2014-02-20 | 2015-08-26 | 奕力科技股份有限公司 | Polaroid structure with touch electrode |
| CN104777940B (en) | 2015-04-30 | 2017-11-14 | 京东方科技集团股份有限公司 | A kind of touch control electrode layer and touch-screen |
| CN104898318B (en) * | 2015-06-29 | 2018-10-26 | 深圳市华星光电技术有限公司 | IPS type In Cell touch-control display panels and preparation method thereof |
| CN107544698A (en) * | 2016-06-29 | 2018-01-05 | 张家港市鸿嘉数字科技有限公司 | A kind of touch control display apparatus |
| WO2018057969A1 (en) * | 2016-09-23 | 2018-03-29 | Apple Inc. | Touch sensor panel with top and/or bottom shielding |
| CN107194384B (en) | 2017-07-13 | 2019-09-06 | 京东方科技集团股份有限公司 | Display base plate and its driving method, display device |
| CN107957813B (en) * | 2017-11-22 | 2019-09-13 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible touch screen and manufacturing method thereof |
| CN108732804A (en) * | 2018-05-22 | 2018-11-02 | 合肥诚辉电子有限公司 | A kind of automobile display screen panel assembly |
| CN111625124A (en) | 2020-05-09 | 2020-09-04 | 惠州市华星光电技术有限公司 | Touch panel and display device |
| CN114326189B (en) * | 2021-12-29 | 2023-10-24 | 芜湖天马汽车电子有限公司 | Display device and method for manufacturing display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444759A (en) * | 2000-02-02 | 2003-09-24 | 3M创新有限公司 | Touch screen panel with integral wiring traces |
| CN101813844A (en) * | 2009-02-20 | 2010-08-25 | 精工电子有限公司 | Touch panel and possess the display device of this touch panel |
-
2012
- 2012-09-07 CN CN201210331631.2A patent/CN102830850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444759A (en) * | 2000-02-02 | 2003-09-24 | 3M创新有限公司 | Touch screen panel with integral wiring traces |
| CN101813844A (en) * | 2009-02-20 | 2010-08-25 | 精工电子有限公司 | Touch panel and possess the display device of this touch panel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011038A (en) * | 2018-01-05 | 2019-07-12 | 京东方科技集团股份有限公司 | Phased array antenna, display panel and display device |
| CN110011038B (en) * | 2018-01-05 | 2020-05-05 | 京东方科技集团股份有限公司 | Phased array antenna, display panel and display device |
| US12142838B2 (en) | 2018-01-05 | 2024-11-12 | Beijing Boe Optoelectronics Technology Co., Ltd. | Phased-array antenna, display panel, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102830850A (en) | 2012-12-19 |
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