CN102830850A - Touch panel and touch display device - Google Patents
Touch panel and touch display device Download PDFInfo
- Publication number
- CN102830850A CN102830850A CN2012103316312A CN201210331631A CN102830850A CN 102830850 A CN102830850 A CN 102830850A CN 2012103316312 A CN2012103316312 A CN 2012103316312A CN 201210331631 A CN201210331631 A CN 201210331631A CN 102830850 A CN102830850 A CN 102830850A
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- contact panel
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Abstract
The invention discloses a touch panel, which comprises a metallic bridge, a first insulating layer, a touch electrode layer, a second insulating layer, a flat layer and a cover plate layer which are sequentially formed on a substrate base plate. The edge of the touch panel is provided with peripheral wires which are positioned in the same layer with the metallic bridge, and a protective electrode layer covering the peripheral wires is formed between the second insulating layer and the flat layer. The invention also discloses a touch display device of the touch panel. The touch panel is provided with the protective electrode layer, so that noises caused by touching the edge of the touch panel are reduced, the signal-to-noise ratio of the touch panel is increased, and the performance of the touch panel is enhanced.
Description
Technical field
The present invention relates to the touch technology field, relate in particular 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 is as shown in Figure 1; Comprise layered arrangement successively following polaroid 101, array base palte 102, liquid crystal layer 103, color membrane substrates 104, metal bridge 105, insulation course 106, touch control electrode layer 107 (comprising drive electrode and induction electrode), flatness layer (Over Coat, OC) 108, go up polaroid 109 and glass cover-plate 110.Add man-hour, make at the same layer of metal bridge 105 and be positioned at the viewing area (Active Area, AA) in addition the periphery wiring 111 of metal material is used for being connected with the touch-control electrode.Wherein, the touch-control electrode can adopt the nano indium tin metal oxide (Indium Tin Oxides, ITO) material is processed; And for fear of drive electrode and induction electrode short circuit, so drive electrode or induction electrode need be put up a bridge through metal bridge 105 and connected to realize different drive electrodes or the electrical connection between the induction electrode in touch control electrode layer 107.Need to prove, in Fig. 1, only schematically showed different layer structures, not shown here for the annexation between touch control electrode layer 107 and the metal bridge 105.
As shown in Figures 2 and 3; Said periphery wiring 111 is positioned at the edge of contact panel plate face, and is in touching contact panel edge, too near owing to pointing from said periphery wiring 111 during use; The influence that causes pointing other channels is big especially, produces bigger noise.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve is: a kind of contact panel and touch control display apparatus are provided, and the noise that causes when reducing finger touches contact panel edge improves the performance of contact panel.
(2) technical scheme
For addressing the above problem; On the one hand; The invention provides a kind of contact panel; Comprise the metal bridge, first insulation course, touch control electrode layer, second insulation course, flatness layer and the cover layer that are formed at successively on the underlay substrate, be provided with at the edge of said contact panel and of the periphery wiring of said metal bridge, be formed with the guard electrode layer that covers said periphery wiring between said second insulation course and the said flatness layer with layer.
Preferably, said guard electrode layer is rectangular box-like structure, and the width of moulding that forms said frame shape structure is greater than the width of said periphery wiring with every side frame bar corresponding sides.
Preferably, said guard electrode layer is positioned at the periphery of said contact panel viewing area.
Preferably, said guard electrode layer is nano indium tin metal oxide (ITO) or nanometer indium zinc metal oxide (IZO) material.
Preferably, between said flatness layer and said cover layer, also be provided with polaroid.
On the other hand, the present invention also provides a kind of touch control display apparatus, comprises above-mentioned arbitrary contact panel.
Preferably, said touch control display apparatus also comprises the liquid crystal panel of underlay substrate one side that is arranged on said contact panel, and said liquid crystal panel comprises array base palte, liquid crystal layer and the color membrane substrates that is arranged in order.
Preferably, the underlay substrate of the color membrane substrates of said liquid crystal panel and said contact panel fits together.
Preferably, with the color membrane substrates of the said liquid crystal panel underlay substrate as contact panel, said metal bridge is located at the side of said color membrane substrates towards exiting surface.
Preferably, between the flatness layer of said contact panel and cover layer, be provided with polaroid, be provided with polaroid down in the outside of said array base palte.
(3) beneficial effect
Contact panel of the present invention is provided with the guard electrode layer, has reduced owing to touching the noise that the contact panel edge causes, the property that the has improved contact panel ratio of making an uproar has strengthened the performance of contact panel.
Description of drawings
Fig. 1 is the cross section structure synoptic 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 local enlarged diagram of periphery wiring in I place among Fig. 2;
Fig. 4 is the cross section structure synoptic diagram of embodiment of the invention contact panel and liquid crystal panel;
Fig. 5 is the plan structure synoptic diagram of embodiment of the invention contact panel guard electrode layer;
Fig. 6 is that embodiment of the invention contact panel guard electrode layer concerns synoptic diagram with the position that periphery connects up.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated as follows.
Embodiment one:
As shown in Figure 4; Present embodiment has been put down in writing a kind of contact panel; Comprise the metal bridge that is formed at successively on the underlay substrate 201, first insulation course 202, touch control electrode layer (ITO) 203, second insulation course 204, flatness layer (OC layer) 205, go up polaroid 206 and cover layer 207; Be provided with and of the periphery wiring 208 of said metal bridge 201 at the edge of said contact panel, be formed with the guard electrode layer 209 that covers said periphery wiring 208 between said second insulation course 204 and the OC layer 205 with layer.
Need to prove, in Fig. 4, only schematically showed different layer structures, not shown here for the annexation between touch control electrode layer 203 and the metal bridge 201.
Like Fig. 5 and shown in Figure 6, in the present embodiment, said guard electrode layer 209 is rectangular box-like structure, and the width W 1 of moulding that forms said frame shape structure is greater than the width W 2 of said periphery wiring 208 with every side frame bar corresponding sides.In other embodiments of the invention, said guard electrode layer 209 can also be other structure, as long as can reduce to touch noise along covering periphery wiring 208 on the contact panel plate face, and the touch control operation that does not influence contact panel gets final product.
In the present embodiment, said guard electrode layer is positioned at said contact panel viewing area (ActiveArea, periphery AA).
In the present embodiment, said guard electrode layer is nano indium tin metal oxide (ITO) or nanometer indium zinc metal oxide (IZO) material.
Embodiment two:
Present embodiment has been put down in writing a kind of touch control display apparatus, comprises the contact panel of embodiment one record.This touch control display apparatus can be but be not limited to be the liquid crystal touch control display device; In addition, can also be based on the touch control display apparatus of display modes such as OLED (organic light emitting diode) demonstration.
A kind of liquid crystal touch control display device has been shown in Fig. 4, and it comprises the contact panel of record among the embodiment one and the structure of liquid crystal panel.In the present embodiment, said liquid crystal panel comprises following polaroid 210, array base palte 211, liquid crystal layer 212 and the color membrane substrates 213 that is arranged in order, and said metal bridge 201 is located at the side of said color membrane substrates 213 towards exiting surface.In other embodiments of the invention, said liquid crystal panel can also increase or reduce part layer, or is other various structure, as long as can realize liquid crystal display.
When the contact panel of present embodiment arrives contact panel plate face edge in user's finger touches,, improved the performance of contact panel because the protective shielding effect to periphery wiring 208 of guard electrode layer 209 has reduced the noise that touching causes.
Touch control display apparatus shown in Figure 4 is to be example with On cell formula contact panel; Be that touch control display apparatus among Fig. 4 is that metal bridge 201 just is arranged on the side of color membrane substrates 213 towards exiting surface with the color membrane substrates 213 of the liquid crystal panel underlay substrate as contact panel.
In addition, also can the color membrane substrates of liquid crystal panel and the underlay substrate of contact panel be fit together through bonding agent, to form the touch control display apparatus of out cell (external hanging type).
Touch control display apparatus of the present invention is provided with the guard electrode layer, has reduced owing to touching the noise that the contact panel edge causes, the property that the has improved contact panel ratio of making an uproar has strengthened the performance of contact panel.
Above embodiment only is used to explain the present invention; And be not limitation of the present invention; The those of ordinary skill in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also be made various variations and modification; Therefore all technical schemes that are equal to 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. contact panel; It is characterized in that; Comprise the metal bridge, first insulation course, touch control electrode layer, second insulation course, flatness layer and the cover layer that are formed at successively on the underlay substrate; Be provided with and of the periphery wiring of said metal bridge at the edge of said contact panel, be formed with the guard electrode layer that covers said periphery wiring between said second insulation course and the said flatness layer with layer.
2. contact panel as claimed in claim 1 is characterized in that, said guard electrode layer is rectangular box-like structure, and the width of moulding that forms said frame shape structure is greater than the width of said periphery wiring with every side frame bar corresponding sides.
3. contact panel as claimed in claim 1 is characterized in that said guard electrode layer is positioned at the periphery of said contact panel viewing area.
4. contact panel as claimed in claim 1 is characterized in that, said 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 said flatness layer and said cover layer, also is provided with polaroid.
6. a touch control display apparatus is characterized in that, comprises each described contact panel among the claim 1-5.
7. touch control display apparatus as claimed in claim 6 is characterized in that, also comprises the liquid crystal panel of underlay substrate one side that is arranged on said contact panel, and said liquid crystal panel comprises array base palte, liquid crystal layer and the color membrane substrates that is arranged in order.
8. touch control display apparatus as claimed in claim 7 is characterized in that, the color membrane substrates of said liquid crystal panel and the underlay substrate of said contact panel fit together.
9. touch control display apparatus as claimed in claim 7 is characterized in that, with the color membrane substrates of the said liquid crystal panel underlay substrate as contact panel, said metal bridge is located at the side of said color membrane substrates towards exiting surface.
10. touch control display apparatus as claimed in claim 7 is characterized in that, between the flatness layer of said contact panel and cover layer, is provided with polaroid, is provided with polaroid down in the outside of said array base palte.
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 |
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| CN102830850A true CN102830850A (en) | 2012-12-19 |
| CN102830850B CN102830850B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210331631.2A Active CN102830850B (en) | 2012-09-07 | 2012-09-07 | Contact panel and touch control display apparatus |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777940A (en) * | 2015-04-30 | 2015-07-15 | 京东方科技集团股份有限公司 | Touch electrode layer and touch screen |
| CN104867404A (en) * | 2014-02-20 | 2015-08-26 | 奕力科技股份有限公司 | Polaroid structure with touch electrode |
| CN104898318A (en) * | 2015-06-29 | 2015-09-09 | 深圳市华星光电技术有限公司 | IPS-type In Cell touch display panel and manufacturing method |
| 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 |
| CN107957813A (en) * | 2017-11-22 | 2018-04-24 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible touching display screen and preparation 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 |
| CN109643201A (en) * | 2016-09-23 | 2019-04-16 | 苹果公司 | Touch sensor panel with top barrier and/or bottom shield |
| WO2021227101A1 (en) * | 2020-05-09 | 2021-11-18 | 惠州市华星光电技术有限公司 | Touch panel and display apparatus |
| CN114326189A (en) * | 2021-12-29 | 2022-04-12 | 上海天马微电子有限公司 | Display device and method for manufacturing display device |
| US11328527B2 (en) | 2017-07-13 | 2022-05-10 | Boe Technology Group Co., Ltd. | Ultrasonic fingerprint sensor, display substrate and driving method thereof, and display device |
| US11460964B2 (en) | 2011-10-20 | 2022-10-04 | Apple Inc. | Opaque thin film passivation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
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2012
- 2012-09-07 CN CN201210331631.2A patent/CN102830850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11460964B2 (en) | 2011-10-20 | 2022-10-04 | 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 |
| CN104777940A (en) * | 2015-04-30 | 2015-07-15 | 京东方科技集团股份有限公司 | Touch electrode layer and touch screen |
| US10572078B2 (en) | 2015-04-30 | 2020-02-25 | Boe Technology Group Co., Ltd. | Touch electrode layer and touch panel |
| 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 |
| CN104898318A (en) * | 2015-06-29 | 2015-09-09 | 深圳市华星光电技术有限公司 | IPS-type In Cell touch display panel and manufacturing method |
| 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 |
| CN109643201B (en) * | 2016-09-23 | 2022-02-22 | 苹果公司 | Touch sensor panel with top shield and/or bottom shield |
| CN114527893B (en) * | 2016-09-23 | 2023-11-10 | 苹果公司 | Touch sensor panel with top shield and/or bottom shield |
| CN109643201A (en) * | 2016-09-23 | 2019-04-16 | 苹果公司 | Touch sensor panel with top barrier and/or bottom shield |
| CN114527893A (en) * | 2016-09-23 | 2022-05-24 | 苹果公司 | Touch sensor panel with top and/or bottom shields |
| US11328527B2 (en) | 2017-07-13 | 2022-05-10 | Boe Technology Group Co., Ltd. | Ultrasonic fingerprint sensor, display substrate and driving method thereof, and display device |
| WO2019100455A1 (en) * | 2017-11-22 | 2019-05-31 | 武汉华星光电半导体显示技术有限公司 | Flexible touch control display screen and fabrication method therefor |
| 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 touching display screen and preparation method thereof |
| CN107957813A (en) * | 2017-11-22 | 2018-04-24 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible touching display screen and preparation 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 |
| WO2021227101A1 (en) * | 2020-05-09 | 2021-11-18 | 惠州市华星光电技术有限公司 | Touch panel and display apparatus |
| US11906834B2 (en) | 2020-05-09 | 2024-02-20 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Touch panel with different density of electrodes in the edge area and display device |
| CN114326189A (en) * | 2021-12-29 | 2022-04-12 | 上海天马微电子有限公司 | Display device and method for manufacturing 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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|---|---|
| CN102830850B (en) | 2015-08-12 |
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