CN102955303B - A kind of touching display screen and touch control display apparatus - Google Patents
A kind of touching display screen and touch control display apparatus Download PDFInfo
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- CN102955303B CN102955303B CN201210418651.3A CN201210418651A CN102955303B CN 102955303 B CN102955303 B CN 102955303B CN 201210418651 A CN201210418651 A CN 201210418651A CN 102955303 B CN102955303 B CN 102955303B
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Abstract
The invention discloses a kind of touching display screen and touch control display apparatus, touching display screen, comprising: the array base palte that box is arranged and color membrane substrates; Be arranged at one group of first electrode wires on array base palte or color membrane substrates; Be arranged at one group of second electrode wires on array base palte or color membrane substrates, with one group of first electrode wires cross arrangement; To be arranged on color membrane substrates and the electrically conducting transparent screen layer be positioned on one group of first electrode wires and one group of second electrode wires, the part of corresponding first electrode wires of electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure.Inductance and Capacitance signal between first electrode wires and the second electrode wires can pass from the gap of engraved structure, ensure that the realization of touch controllable function; In addition, screen layer itself has electric conductivity, and when extraneous static touches display screen, electrostatic charge can be derived ground connection by screen layer rapidly, avoids electrostatic charge to cause electrostatic damage to display screen, further improves display effect.
Description
Technical field
The present invention relates to technical field of touch-control display, particularly relate to a kind of touching display screen and touch control display apparatus.
Background technology
At present, most of mutual capacitance type touch screen is external hanging type, and namely touch-screen and display screen separate to make and then fit together.There is the shortcoming that cost of manufacture is higher, light transmission rate is lower, module is thicker in this technology.Along with the development of science and technology, in-cell touch panel technology becomes research and development new lover gradually, and it refers to: drive electrode line and exploring electrode line for realizing touch controllable function are arranged on the substrate of display screen.Adopt the touch control display apparatus of in-cell touch panel technology to compare external hanging type touch control display apparatus, there is the advantage that thickness is thinner, visual angle is wider, performance is higher, cost is lower.
ADS(ADvancedSuperDimensionSwitch is embedded in touch-screen, senior super Wei Chang conversion, being called for short ADS) of pattern display screen has particular application as example, using the partial slits electrode on array base palte as being used for the drive electrode line realizing touch controllable function, exploring electrode line with drive electrode line cross-distribution is set between the underlay substrate and black matrix of color membrane substrates, driving circuit drives gap electrode timesharing, gap electrode time-sharing work is in different states, such as, multi-dimensional electric field is formed as gap electrode and plate electrode in first time period, Inductance and Capacitance is produced as between drive electrode line and exploring electrode line in the second time period.
In order to prevent electrostatic charge on the impact of ADS pattern display screen, the electrically conducting transparent screen layer of one planar is set usually between the underlay substrate and polaroid of color membrane substrates, like this, when extraneous static touches display screen, screen layer can, rapidly by electrostatic charge ground connection, avoid electrostatic charge to cause electrostatic damage to display screen.
But planar screen layer while by electrostatic charge ground connection, also blocks passing of Inductance and Capacitance signal between drive electrode line and exploring electrode line, greatly have impact on the realization of touch-control effect.
Summary of the invention
The invention provides a kind of touching display screen and touch control display apparatus, stopped by planar screen layer in order to the Inductance and Capacitance signal solved between existing touching display screen drive electrode line and exploring electrode line, the technical matters of the more difficult realization of touch-control effect.
Touching display screen of the present invention, comprising:
The array base palte that box is arranged and color membrane substrates;
Be arranged at one group of first electrode wires on array base palte or color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or color membrane substrates, with described one group of first electrode wires cross arrangement;
To be arranged on color membrane substrates and the electrically conducting transparent screen layer be positioned on described one group of first electrode wires and one group of second electrode wires, the part of corresponding first electrode wires of described electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure.
Optionally, described color membrane substrates comprises color film underlay substrate and is positioned at the polaroid on color film underlay substrate, and described electrically conducting transparent screen layer is arranged between color film underlay substrate and polaroid.
Optionally, described one group of first electrode wires is arranged on array base palte, and described one group of second electrode wires is arranged on color membrane substrates, and described electrically conducting transparent screen layer is arranged between described one group of second electrode wires and color film underlay substrate.
Preferably, the entity part of described engraved structure is X-shaped.
Preferably, described electrically conducting transparent screen layer, except the part of corresponding first electrode wires and the second electrode wires overlapping region, also comprises the part with planar structure.
Preferably, described array base palte comprises: plate electrode and to be positioned at above plate electrode and to have the gap electrode of multiple strip shaped electric poles unit, and described one group of first electrode wires or described one group of second electrode wires are the strip shaped electric poles unit every a distribution in gap electrode.
Optionally, described plate electrode is pixel electrode, and described gap electrode is public electrode, or described plate electrode is public electrode, and described gap electrode is pixel electrode.
Optionally, described first electrode wires is drive electrode line, and described second electrode wires is exploring electrode line, or described first electrode wires is exploring electrode line, and described second electrode wires is drive electrode line.
Preferably, described electrically conducting transparent screen layer material is tin indium oxide.
Touch control display apparatus of the present invention, comprises the touching display screen described in aforementioned arbitrary technical scheme.
In technical solution of the present invention, because the part of corresponding first electrode wires of electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure, the Inductance and Capacitance signal between the first electrode wires and the second electrode wires can be made like this to pass from the gap of engraved structure, ensure that the realization of touch controllable function; In addition, screen layer itself has electric conductivity, and when extraneous static touches display screen, electrostatic charge can be derived ground connection by screen layer rapidly, avoids electrostatic charge to cause electrostatic damage to display screen, further improves display effect.Therefore, technical solution of the present invention has taken into account antistatic characteristic and the touch-control of product.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the first electrode wires of touching display screen one embodiment of the present invention, the second electrode wires and electrically conducting transparent screen layer;
Fig. 2 is the cross section structure schematic diagram of touching display screen one embodiment of the present invention.
Reference numeral:
10-array base palte 11-color membrane substrates 12-first electrode wires
13-second electrode wires 14-electrically conducting transparent screen layer 15-engraved structure
16-color film underlay substrate 17-polaroid 18-planar structure
19-plate electrode 20-gap electrode
Embodiment
In order to the Inductance and Capacitance signal solved between existing touching display screen drive electrode line and exploring electrode line is stopped by planar screen layer, the technical matters of the more difficult realization of touch-control effect, embodiments provides a kind of touching display screen and touch control display apparatus.In technical solution of the present invention, the part of corresponding first electrode wires of electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure, like this can while taking into account antistatic characteristic, Inductance and Capacitance signal between first electrode wires and the second electrode wires is passed from the gap of engraved structure, ensure that the realizability of touch control operation.For making the object, technical solutions and advantages of the present invention clearly, by the following examples the present invention is described in further detail.
In Figure of description, Fig. 1 is the plan structure schematic diagram of the first electrode wires, the second electrode wires and electrically conducting transparent screen layer, and Fig. 2 is the cross section structure schematic diagram of touching display screen.As depicted in figs. 1 and 2, touching display screen of the present invention, comprising:
The array base palte 10 that box is arranged and color membrane substrates 11;
Be arranged at one group of first electrode wires 12 on array base palte 10 or color membrane substrates 11;
Be arranged at one group of second electrode wires 13 on array base palte 10 or color membrane substrates 11, with one group of first electrode wires 12 cross arrangement;
To be arranged on color membrane substrates 11 and the electrically conducting transparent screen layer 14 be positioned on one group of first electrode wires 12 and one group of second electrode wires 13, the part of corresponding first electrode wires 12 of electrically conducting transparent screen layer 14 and the second electrode wires 13 overlapping region has engraved structure 15.
First electrode wires 12 and the second electrode wires 13 both can be arranged on array base palte 10 respectively, also can be arranged on color membrane substrates 11, can form mutual inductance electric field as long as mutually intersect.As shown in Figure 2, in this embodiment, the first electrode wires 12 is arranged on array base palte 10, and the second electrode wires 13 is arranged on color membrane substrates 11.Electrically conducting transparent screen layer 14 connects the flexible circuit board (not shown) of touch control display apparatus by conductive silver paste, and then ground connection.As electrostatic screening unit, its effect is ground connection of being led rapidly by electrostatic charge, prevents extraneous static electric charge from producing harmful effect to screen display, avoids electrostatic damage.The material of electrically conducting transparent screen layer 14 needs the requirement taking into account light transmission, electric conductivity, and material is preferably tin indium oxide (ITO), and thickness can be same as the prior art, is generally 600 dusts (1 dust=10
-9rice), sheet resistance is about 45 ohm/.
In technical solution of the present invention, because the part of corresponding first electrode wires 12 of electrically conducting transparent screen layer 14 and the second electrode wires 13 overlapping region has engraved structure 15, the Inductance and Capacitance signal between the first electrode wires 12 and the second electrode wires 13 can be made like this to pass from the gap of engraved structure 15, ensure that the realizability of touch control operation; In addition, electrically conducting transparent screen layer 14 itself has electric conductivity, and when extraneous static touches display screen, electrostatic charge can be derived ground connection by electrically conducting transparent screen layer 14 rapidly, avoids electrostatic charge to cause electrostatic damage to display screen, further increases display effect.Therefore, technical solution of the present invention has taken into account antistatic characteristic and the touch-control of product.
The setting position of electrically conducting transparent screen layer 14 on color membrane substrates 11 is not limit, as long as be positioned on one group of second electrode wires 13, can prevent electrostatic charge from entering inside screen like this, cause damage to related device.Such as, the polaroid 17 that color membrane substrates 11 generally includes color film underlay substrate 16 and is positioned on color film underlay substrate 16, electrically conducting transparent screen layer 14 can be arranged between color film underlay substrate 16 and polaroid 17.Again such as, when the first electrode wires is arranged on array base palte, the second electrode wires is arranged on color membrane substrates, and electrically conducting transparent screen layer 14 also can be arranged between one group of second electrode wires 13 and color film underlay substrate 16.
The concrete shape of engraved structure 15 is not limit, and the space of any hollow out shape all can make Inductance and Capacitance signal pass.In the preferred embodiment shown in Fig. 1, the entity part of engraved structure 15 is X-shaped, the advantage being designed to this shape is: when electrically conducting transparent screen layer 14 contains electrostatic charge, electrostatic charge can be discharged by mulitpath (a path, b path, c path and d path) rapid dispersion, not only can improve electrostatic load-bearing capacity, and be conducive to the timely release of electrostatic charge.Certainly, the entity part of engraved structure 15 is not limited to X-shaped, can also be " rice " font, " * " shape etc., can reach preferably effect equally.
As preferred embodiment, electrically conducting transparent screen layer 14, except the part of corresponding first electrode wires 12 and the second electrode wires 13 overlapping region, also comprises the part with planar structure 18.Concrete shape, the position of planar structure 18 part suitably can adjust according to the concrete structure of the first electrode wires 12 and the second electrode wires 13, to meet the resistance requirement of screen layer, are not limited to the shape shown in Fig. 1 embodiment, position.
As shown in Figure 2, touching display screen of the present invention can be applied to ADS pattern, described array base palte 10 comprises: plate electrode 19 and to be positioned at above plate electrode 19 and to there is the gap electrode 20 of multiple strip shaped electric poles unit, described one group of first electrode wires 12(or described one group of second electrode wires 13) in gap electrode 20 every the strip shaped electric poles unit of a distribution.
ADS pattern is a kind of liquid crystal display mode can widening visual angle, the electric field that its electric field produced by gap electrode edge in same plane and gap electrode layer and plate electrode interlayer are produced forms multi-dimensional electric field, make in liquid crystal cell that between gap electrode, directly over electrode, all aligned liquid-crystal molecules can both produce rotation, thus improve liquid crystal work efficiency and increase light transmission efficiency.Have high resolving power, high permeability, low-power consumption, wide viewing angle, high aperture, low aberration, without advantages such as water of compaction ripples.The main trend that display screen touch-screen being embedded in ADS pattern also will be touch-control display in the future.
In the embodiment shown in Fig. 1 and Fig. 2, plate electrode 19 can be pixel electrode, then gap electrode 20 is public electrode, or plate electrode 19 is public electrode, and gap electrode 20 is pixel electrode, and these two kinds of structures all can realize the display of ADS pattern.
As the part realizing touch controllable function, the first electrode wires 12 can be drive electrode line, then the second electrode wires 13 is exploring electrode line, or the first electrode wires 12 is exploring electrode line, and the second electrode wires 13 is drive electrode line.
Touch control display apparatus of the present invention, comprises the touching display screen described in aforementioned any embodiment, and antistatic characteristic is better with touch-control.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. a touching display screen, is characterized in that, comprising:
The array base palte that box is arranged and color membrane substrates;
Be arranged at one group of first electrode wires on array base palte or color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or color membrane substrates, with described one group of first electrode wires cross arrangement;
To be arranged on color membrane substrates and the electrically conducting transparent screen layer be positioned on described one group of first electrode wires and one group of second electrode wires, the part of corresponding first electrode wires of described electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure; Wherein, described color membrane substrates comprises color film underlay substrate and is positioned at the polaroid on color film underlay substrate, described electrically conducting transparent screen layer is arranged between color film underlay substrate and polaroid, and described electrically conducting transparent screen layer connects the flexible circuit board of touch control display apparatus by conductive silver paste.
2. touching display screen as claimed in claim 1, it is characterized in that, the entity part of described engraved structure is X-shaped.
3. touching display screen as claimed in claim 1, is characterized in that, described electrically conducting transparent screen layer, except the part of corresponding first electrode wires and the second electrode wires overlapping region, also comprises the part with planar structure.
4. touching display screen as claimed in claim 1, it is characterized in that, described array base palte comprises: plate electrode and to be positioned at above plate electrode and to have the gap electrode of multiple strip shaped electric poles unit, and described one group of first electrode wires or described one group of second electrode wires are the strip shaped electric poles unit every a distribution in gap electrode.
5. touching display screen as claimed in claim 4, it is characterized in that, described plate electrode is pixel electrode, and described gap electrode is public electrode, or described plate electrode is public electrode, and described gap electrode is pixel electrode.
6. the touching display screen as described in as arbitrary in Claims 1 to 5, it is characterized in that, described first electrode wires is drive electrode line, described second electrode wires is exploring electrode line, or described first electrode wires is exploring electrode line, described second electrode wires is drive electrode line.
7. touching display screen as claimed in claim 6, it is characterized in that, described electrically conducting transparent screen layer material is tin indium oxide.
8. a touching display screen, is characterized in that, comprising:
The array base palte that box is arranged and color membrane substrates, described color membrane substrates comprises color film underlay substrate;
Be arranged at one group of first electrode wires of array base palte;
Be arranged at one group of second electrode wires on color membrane substrates, with described one group of first electrode wires cross arrangement;
To be arranged on color membrane substrates and the electrically conducting transparent screen layer be positioned on described one group of first electrode wires and one group of second electrode wires, and described electrically conducting transparent screen layer is arranged between described one group of second electrode wires and color film underlay substrate, the part of corresponding first electrode wires of described electrically conducting transparent screen layer and the second electrode wires overlapping region has engraved structure, and described electrically conducting transparent screen layer connects the flexible circuit board of touch control display apparatus by conductive silver paste.
9. touching display screen as claimed in claim 8, it is characterized in that, the entity part of described engraved structure is X-shaped.
10. touching display screen as claimed in claim 8, is characterized in that, described electrically conducting transparent screen layer, except the part of corresponding first electrode wires and the second electrode wires overlapping region, also comprises the part with planar structure.
11. touching display screens as claimed in claim 8, it is characterized in that, described array base palte comprises: plate electrode and to be positioned at above plate electrode and to have the gap electrode of multiple strip shaped electric poles unit, and described one group of first electrode wires is the strip shaped electric poles unit every a distribution in gap electrode.
12. touching display screens as claimed in claim 11, it is characterized in that, described plate electrode is pixel electrode, and described gap electrode is public electrode, or described plate electrode is public electrode, and described gap electrode is pixel electrode.
13. as arbitrary in claim 8 ~ 12 as described in touching display screen, it is characterized in that, described first electrode wires is drive electrode line, described second electrode wires is exploring electrode line, or described first electrode wires is exploring electrode line, described second electrode wires is drive electrode line.
14. touching display screens as claimed in claim 13, is characterized in that, described electrically conducting transparent screen layer material is tin indium oxide.
15. 1 kinds of touch control display apparatus, is characterized in that, comprise the touching display screen as described in any one of claim 1 ~ 14.
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| CN201210418651.3A CN102955303B (en) | 2012-10-26 | 2012-10-26 | A kind of touching display screen and touch control display apparatus |
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| CN201210418651.3A CN102955303B (en) | 2012-10-26 | 2012-10-26 | A kind of touching display screen and touch control display apparatus |
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| CN102955303B true CN102955303B (en) | 2016-04-06 |
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| CN103186287B (en) * | 2013-03-28 | 2015-12-23 | 合肥京东方光电科技有限公司 | A kind of touching display screen and touch control display apparatus |
| CN104111553B (en) * | 2013-04-22 | 2017-09-05 | 瀚宇彩晶股份有限公司 | Touch control liquid crystal panel and its manufacture method |
| CN103500044B (en) | 2013-09-30 | 2015-08-12 | 京东方科技集团股份有限公司 | Touch display panel and touch display unit |
| CN104049798B (en) * | 2014-05-30 | 2017-08-08 | 京东方科技集团股份有限公司 | Touch-control display panel and touch control display apparatus |
| CN104156129B (en) | 2014-07-11 | 2018-05-25 | 京东方科技集团股份有限公司 | Touch base plate and display device |
| CN104238859A (en) * | 2014-09-17 | 2014-12-24 | 南昌欧菲光科技有限公司 | Touch display screen |
| CN104461155A (en) | 2014-12-24 | 2015-03-25 | 京东方科技集团股份有限公司 | Embedded touch display screen and display device |
| JP2017122845A (en) * | 2016-01-07 | 2017-07-13 | 株式会社ジャパンディスプレイ | Display |
| CN105677106A (en) * | 2016-01-11 | 2016-06-15 | 京东方科技集团股份有限公司 | Touch substrate, manufacturing method thereof, touch panel and display device |
| CN106526931A (en) * | 2016-11-04 | 2017-03-22 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel and preparation method of liquid crystal display panel |
| CN107357475B (en) * | 2017-06-27 | 2020-12-29 | 上海天马微电子有限公司 | Touch panel and display device |
| CN110914792B (en) * | 2017-11-24 | 2021-08-20 | 华为技术有限公司 | Touch display panel, flexible display device and manufacturing method thereof |
| CN111208681B (en) * | 2020-01-16 | 2022-04-22 | 昆山龙腾光电股份有限公司 | Light modulation box, display panel and driving method |
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