CN102999223A - Touch display screen and touch display device - Google Patents
Touch display screen and touch display device Download PDFInfo
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- CN102999223A CN102999223A CN2012105714564A CN201210571456A CN102999223A CN 102999223 A CN102999223 A CN 102999223A CN 2012105714564 A CN2012105714564 A CN 2012105714564A CN 201210571456 A CN201210571456 A CN 201210571456A CN 102999223 A CN102999223 A CN 102999223A
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Abstract
The invention discloses a touch display screen and a touch display device. The touch display screen comprises an array substrate, a color film substrate, a group of first electrode wires, a group of second electrode wires and a high-resistance transparent conducting material coating, wherein the array substrate and the color film substrate are arranged, the group of first electrode wires and the group of second electrode wires are arranged on the array substrate or the color film substrate and distributed in a crossing mode, and the high-resistance transparent conducting material coating which is grounded is positioned above the opposite box structure formed by the array substrate and the color film substrate and provided with electrical conductivity. When external static electricity contacts with the display screen, the coating can lead electrostatic charges out to ground quickly, static electricity damage of the electrostatic charges to the display screen is avoided, the display effect is further improved, and therefore, according to the display screen and the device, the anti-static feature and the touchable performance of products are both considered.
Description
Technical field
The present invention relates to touch-control display technique field, particularly relate to a kind of touching display screen and touch control display apparatus.
Background technology
At present, most of mutual capacitance type touch screens are 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, embedded touch screen technology becomes the research and development new lover gradually, and it refers to: be used for realizing the drive electrode line of touch controllable function and the substrate that the exploring electrode line is arranged on display screen.Adopt the touch control display apparatus of embedded touch screen technology to compare the external hanging type touch control display apparatus, have the advantage that thickness is thinner, performance is higher, cost is lower.
Be embedded in ADS(ADvanced Super Dimension Switch with touch-screen, senior super Wei Chang conversion, abbreviation ADS) one of the pattern display screen has particular application as example, with the part gap electrode on the array base palte as drive electrode line that be used for to realize touch controllable function, exploring electrode line with drive electrode line cross-distribution is set between the underlay substrate of color membrane substrates and black matrix, driving circuit drives the gap electrode timesharing, the gap electrode time-sharing work is in different states, for example, form multi-dimensional electric field in very first time section as gap electrode and plate electrode, produce Inductance and Capacitance in the second time period between as drive electrode line and exploring electrode line.
In order to prevent that electrostatic charge is on the impact of ADS pattern display screen, usually between the underlay substrate of color membrane substrates and polaroid, a planar electrically conducting transparent screen layer is set, like this, when extraneous static touches display screen, screen layer can rapidly with electrostatic charge ground connection, avoid electrostatic charge that display screen is caused electrostatic damage.
Yet planar screen layer has also stopped passing of Inductance and Capacitance signal between drive electrode line and the exploring electrode line in electrostatic charge ground connection, greatly affected 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 that solves between existing touching display screen drive electrode line and the exploring electrode line, the difficult technical matters that realizes of touch-control effect.
Touching display screen of the present invention comprises:
Array base palte and color membrane substrates to the box setting;
Be arranged at one group of first electrode wires on array base palte or the color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or the color membrane substrates, with described one group of first electrode wires cross arrangement;
Be arranged at the formed high resistance transparent conductive material coating to the box superstructure of array base palte and color membrane substrates, described high resistance transparent conductive material coating ground connection arranges.
Preferably, this touching display screen also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Prevent fingerprint film, be arranged at the upper surface of described protective cover;
Described high resistance transparent conductive material coating is coated on the basement membrane lower surface of described anti-fingerprint film.
Preferably, this touching display screen also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Anti-dazzling film is arranged at the lower surface of described protective cover;
Described high resistance transparent conductive material coating is coated on the basement membrane lower surface of described Anti-dazzling film.
Better, this touching display screen also comprises: be arranged at the metal outer frame of described array base palte bottom, described high resistance transparent conductive material coating is connected with described metal outer frame conduction by conductive tape.
Optionally, this touching display screen also comprises FPC, and described high resistance transparent conductive material coating is connected with the grounding pin conduction of described FPC.
Optionally, be provided with the metal connecting pin on the described array base palte, described metal connecting pin is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material coating is connected with described metal connecting pin conduction.
Optionally, this touching display screen also comprises the electric conduction seal frame glue that is arranged between array base palte and the color membrane substrates, and described electric conduction seal frame glue is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material coating is connected with described electric conduction seal frame glue conduction.
Preferably, described high resistance transparent conductive material coating includes carbon nano-tube particle and/or metallics.
Touch control display apparatus of the present invention comprises the described touching display screen of aforementioned arbitrary technical scheme.
Touching display screen of the present invention comprises:
Array base palte and color membrane substrates to the box setting;
Be arranged at one group of first electrode wires on array base palte or the color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or the color membrane substrates, with described one group of first electrode wires cross arrangement;
The high resistance transparent conductive material that is arranged at described one group of first electrode wires and one group of second superstructure that electrode wires forms mixes layer, and described high resistance transparent conductive material mixes layer ground connection and arranges.
Better, this touching display screen also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Transparent optical cement is adhered between described color membrane substrates and the described protective cover;
Described high resistance transparent conductive material mixes layer for mixing the protective cover of high resistance transparent conductive material, perhaps for mixing the transparent optical cement of high resistance transparent conductive material.
Optionally, it is the underlay substrate that mixes the color membrane substrates of high resistance transparent conductive material that described high resistance transparent conductive material mixes layer, perhaps
When the black matrix layer of color membrane substrates was positioned at the top of described one group of first electrode wires and one group of second structure that electrode wires forms, described high resistance transparent conductive material mixed the black matrix layer of layer for mixing the high resistance transparent conductive material.
Preferably, this touching display screen also comprises: be arranged at the metal outer frame of described array base palte bottom, described high resistance transparent conductive material mixes layer and is connected with described metal outer frame conduction by conductive tape.
Optionally, this touching display screen also comprises FPC, and described high resistance transparent conductive material mixes layer and is connected with the grounding pin conduction of described FPC.
Optionally, be provided with the metal connecting pin on the described array base palte, described metal connecting pin is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material mixes layer and is connected with described metal connecting pin conduction.
Optionally, this touching display screen also comprises: be arranged at the electric conduction seal frame glue between array base palte and the color membrane substrates, described electric conduction seal frame glue is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material mixes layer and is connected with described electric conduction seal frame glue conduction.
Preferably, described high resistance transparent conductive material mixes layer and is mixed with carbon nano-tube particle and/or metallics.
Touch control display apparatus of the present invention comprises the described touching display screen of aforementioned arbitrary technical scheme.
In technical solution of the present invention, no matter be the high resistance transparent conductive material coating, or the high resistance transparent conductive material mix layer, all has higher resistance, projection electric field signal between the first electrode wires and the second electrode wires is therefrom passed, guaranteed the realizability of touch control operation; In addition, high resistance transparent conductive material coating and high resistance transparent conductive material mix layer and all have electric conductivity, and when extraneous static touched display screen, this layer can be derived ground connection with electrostatic charge rapidly, avoid electrostatic charge that display screen is caused electrostatic damage, further improved display effect.Therefore, technical solution of the present invention has been taken into account antistatic characteristic and the touch-control of product.
Description of drawings
Fig. 1 is touching display screen the first embodiment cross section structure synoptic diagram of the present invention;
Fig. 2 is the plan structure synoptic diagram of protective cover;
Fig. 3 is touching display screen the second embodiment cross section structure synoptic diagram of the present invention;
Fig. 4 is touching display screen the 3rd embodiment cross section structure synoptic diagram of the present invention;
Fig. 5 is touching display screen the 4th embodiment cross section structure synoptic diagram of the present invention.
Reference numeral:
10-array base palte 11-color membrane substrates 12-the first electrode wires
13-the second electrode wires 14-high resistance transparent conductive material coating 15-protective cover
16-transparency carrier 17-printing ink frame 18-Anti-dazzling film
19-metal outer frame 20-conductive tape 21-FPC
22-metal connecting pin 23-electric conduction seal frame glue 24-high resistance transparent conductive material mixes layer
25-transparent optical cement 26-grounding pin
Embodiment
For the Inductance and Capacitance signal that solves between existing touching display screen drive electrode line and the exploring electrode line is stopped by planar screen layer, the difficult technical matters that realizes of touch-control effect, the embodiment of the invention provides a kind of touching display screen and touch control display apparatus.In the technical solution of the present invention, above one group of first electrode wires and one group of second electrode wires, the high resistance transparent conductive material coating is set or the high resistance transparent conductive material mixes layer, because these layers have the high resistant characteristic, projection electric field signal between the first electrode wires and the second electrode wires is therefrom passed, simultaneously because these layers have conductive characteristic, can avoid like this electrostatic charge that display screen is caused electrostatic damage, therefore, the further display effect that improved.For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples the present invention is described in further detail.
An embodiment as shown in Figure 1, touching display screen of the present invention comprises:
Be arranged at one group of first electrode wires 12 on array base palte 10 or the color membrane substrates 11;
Be arranged at one group of second electrode wires 13 on array base palte 10 or the color membrane substrates 11, with one group of first electrode wires 12 cross arrangement;
Be arranged at array base palte 10 and color membrane substrates 11 formed high resistance transparent conductive material coatings 14 to the box superstructure, high resistance transparent conductive material coating 14 ground connection arrange.
The relative position relation of the first electrode wires 12 and the second electrode wires 13 is not limit, and both can be arranged on respectively on the array base palte 10, can be arranged on the color membrane substrates 11, as long as mutual intersection can form the mutual inductance electric field yet.
As the part that realizes touch controllable function, the first electrode wires 12 can be the drive electrode line, and then the second electrode wires 13 is the exploring electrode line, and perhaps, the first electrode wires 12 is the exploring electrode line, and the second electrode wires 13 is the drive electrode line.
In the technical scheme of this embodiment, high resistance transparent conductive material coating 14 has higher resistance, and the projection electric field signal between the first electrode wires 12 and the second electrode wires 13 is therefrom passed, and has guaranteed the realizability of touch control operation; Meanwhile, high resistance transparent conductive material coating 14 also has electric conductivity, and when extraneous static touched display screen, this layer can be derived ground connection with electrostatic charge rapidly, avoided electrostatic charge that display screen is caused electrostatic damage, had further improved display effect.Therefore, technical solution of the present invention has been taken into account antistatic characteristic and the touch-control of product.
High resistance transparent conductive material coating 14 is positioned at array base palte 10 and color membrane substrates 11 formed tops to the box structure, and depends on a certain concrete structure layer, but its particular location is not limit.In the antistatic characteristic of taking into account product and touch-control, need not to arrange separately this structural sheet like this, not only be conducive to the slimming of touch control display apparatus, and reduced production cost, also further simplified manufacturing process, improved production efficiency.
For example, as shown in Figure 1, in this embodiment, touching display screen also comprises:
High resistance transparent conductive material coating 14 is coated on the basement membrane lower surface of Anti-dazzling film 18.
Again for example, in other embodiments of the invention, touching display screen also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Prevent fingerprint film, be arranged at the upper surface of protective cover;
The high resistance transparent conductive material coating is coated on the basement membrane lower surface of anti-fingerprint film.
For realizing the anti-static shielding characteristic of high resistance transparent conductive material coating 14, its ground connection need to be arranged.Ground connection arranges can pass through the various structures form, does not do concrete restriction here.
For example, as shown in Figure 1, in this embodiment, touching display screen also comprises:
Be arranged at the metal outer frame 19 of array base palte 10 bottoms, high resistance transparent conductive material coating 14 is connected with metal outer frame 19 conductions by conductive tape 20.
Among this embodiment, high resistance transparent conductive material coating 14 passes through conductive tape 20, and then passes through metal outer frame 19 with the charge guiding the earth.
Again for example, in other embodiments of the invention, touching display screen also comprises FPC(FlexiblePrinted Circuit, and flexible print circuit board is called for short FPC), high resistance transparent conductive material coating 14 is connected with the grounding pin conduction of FPC.
The concrete structure of this embodiment is: be provided with the metal connecting pin on the array base palte 10, the metal connecting pin is connected with the grounding pin conduction of FPC, and high resistance transparent conductive material coating 14 is connected with metal connecting pin conduction.This version and version principle shown in Figure 4 are similar.
Another concrete structure of this embodiment is: touching display screen also comprises the electric conduction seal frame glue that is arranged between array base palte 10 and the color membrane substrates 11, electric conduction seal frame glue is connected with the grounding pin conduction of FPC, and high resistance transparent conductive material coating 14 is connected with the electric conduction seal frame glue conduction.
Preferably, in selection, high resistance transparent conductive material coating 14 includes carbon nano-tube particle and/or metallics, and its resistance is greater than 1 ohm/, less than 1000 ohm/.
Carbon nano-tube is to be entwined or to overlap layer by layer the tube that structure forms by the mono-layer graphite cylinder along coaxial around coaxial by the graphite atomic monolayer.Generally between one to tens nanometer, length is then much larger than its diameter for its diameter.Carbon nano-tube is as monodimension nanometer material, and is lightweight, and hexagonal structure connects perfect, has many unusual mechanics, electricity and chemical property.
The embodiment of the invention also provides a kind of touch control display apparatus, and this touch control display apparatus comprises the described touching display screen of aforementioned arbitrary embodiment, has better antistatic characteristic and touch-control, and meets current slimming development trend.
As shown in Figure 3, the touching display screen that the embodiment of the invention provides comprises:
Be arranged at one group of first electrode wires 12 on array base palte 10 or the color membrane substrates 11;
Be arranged at one group of second electrode wires 13 on array base palte 10 or the color membrane substrates 11, with one group of first electrode wires 12 cross arrangement;
The high resistance transparent conductive material that is arranged at one group of first electrode wires 12 and superstructure that one group of second electrode wires 13 forms mixes layer 24, and the high resistance transparent conductive material mixes layer 24 ground connection and arranges.
With in like manner embodiment illustrated in fig. 1, in the technical scheme of this embodiment, the high resistance transparent conductive material mixes layer 24 and has higher resistance, and the projection electric field signal between the first electrode wires 12 and the second electrode wires 13 is therefrom passed, and has guaranteed the realizability of touch control operation; Meanwhile, the high resistance transparent conductive material mixes layer 24 and also has electric conductivity, and when extraneous static touched display screen, this layer can be derived ground connection with electrostatic charge rapidly, avoided electrostatic charge that display screen is caused electrostatic damage, had further improved display effect.Therefore, technical solution of the present invention has been taken into account antistatic characteristic and the touch-control of product.
The high resistance transparent conductive material mixes the top that layer 24 is positioned at one group of first electrode wires 12 and structure that one group of second electrode wires 13 forms, with a certain concrete structure layer of touch display screen be same layer, but its particular location is not limit.In the antistatic characteristic of taking into account product and touch-control, need not to arrange separately this structural sheet like this, not only be conducive to the slimming of touch control display apparatus, and reduced production cost, also further simplified manufacturing process, improved production efficiency.
For example, as shown in Figure 3, in this embodiment, touching display screen also comprises:
Transparent optical cement 25 is adhered between color membrane substrates 11 and the protective cover 15;
The high resistance transparent conductive material mixes layer 24 for mixing the protective cover of high resistance transparent conductive material; perhaps for mix the transparent optical cement 25(of high resistance transparent conductive material embodiment illustrated in fig. 3 in, the high resistance transparent conductive material mixes layer 24 for mixing the transparent optical cement 25 of high resistance transparent conductive material).Transparent optical cement 25 can be solid-state transparent optical cement, also can be curable liquid clear optical cement (even the time spent is liquid, becoming solid-state after technique is finished).
Again for example, in another embodiment, it is the underlay substrate that mixes the color membrane substrates 11 of high resistance transparent conductive material that the high resistance transparent conductive material mixes layer 24, perhaps
When the black matrix layer of color membrane substrates 11 be positioned at one group of first electrode wires 12 and one group of second electrode wires 13 when forming the top of structure, the high resistance transparent conductive material mixes the black matrix layer of layer 24 for mixing the high resistance transparent conductive material.
Can find out that from above two embodiment the high resistance transparent conductive material mixes layer 24 and is combined into same layer with a certain concrete structure layer, need not independent assembling, the manufacturing process of touching display screen is comparatively easy.
With in like manner embodiment illustrated in fig. 1, mix the anti-static shielding characteristic of layer 24 for realizing the high resistance transparent conductive material, its ground connection need to be arranged.Ground connection arranges can pass through the various structures form, does not do concrete restriction here.
For example, as shown in Figure 5, in this embodiment, touching display screen also comprises:
Be arranged at the metal outer frame 19 of array base palte 10 bottoms, the high resistance transparent conductive material mixes layer 24 and is connected with metal outer frame 19 conductions by conductive tape 20.
In addition, also can be by following version:
Touching display screen also comprises FPC 21, and the high resistance transparent conductive material mixes layer 24 and is connected with grounding pin 26 conductions of FPC 21.
A specific embodiment of this version is: as shown in Figure 4, be provided with metal connecting pin 22 on the array base palte 10, metal connecting pin 22 is connected with grounding pin 26 conductions of FPC 21, and the high resistance transparent conductive material mixes layer 24 and is connected with metal connecting pin 22 conductions.
Another specific embodiment of this version is: touch control display apparatus comprises that also the position of the electric conduction seal frame glue 23(electric conduction seal frame glue 23 that is arranged between array base palte 10 and the color membrane substrates 11 is referring to shown in Figure 2), electric conduction seal frame glue 23 is connected with grounding pin 26 conductions of FPC 21, and the high resistance transparent conductive material mixes layer 24 and is connected (this syndeton is not shown) with electric conduction seal frame glue 23 conductions.
Preferably, the high resistance transparent conductive material mixes layer 24 and is mixed with carbon nano-tube particle and/or metallics, and its resistance is greater than 1 ohm/, less than 1000 ohm/.
More than the touching display screen of each embodiment can be IPS(In-Plane Switching, plane conversion) or the plurality of display modes such as ADS, take the ADS pattern as example, the array base palte of this pattern comprises: plate electrode and be positioned at plate electrode top and have the gap electrode of a plurality of strip shaped electric poles unit, one group of first electrode wires (or one group of second electrode wires) be every the strip shaped electric poles unit of a distribution in the gap electrode.
The embodiment of the invention also provides a kind of touch control display apparatus, and this touch control display apparatus comprises the described touching display screen of aforementioned arbitrary embodiment, has better antistatic characteristic and touch-control, and meets current slimming development trend.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. a touching display screen is characterized in that, comprising:
Array base palte and color membrane substrates to the box setting;
Be arranged at one group of first electrode wires on array base palte or the color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or the color membrane substrates, with described one group of first electrode wires cross arrangement;
Be arranged at the formed high resistance transparent conductive material coating to the box superstructure of array base palte and color membrane substrates, described high resistance transparent conductive material coating ground connection arranges.
2. touching display screen as claimed in claim 1 is characterized in that, also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Prevent fingerprint film, be arranged at the upper surface of described protective cover;
Described high resistance transparent conductive material coating is coated on the basement membrane lower surface of described anti-fingerprint film.
3. touching display screen as claimed in claim 1 is characterized in that, also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Anti-dazzling film is arranged at the lower surface of described protective cover;
Described high resistance transparent conductive material coating is coated on the basement membrane lower surface of described Anti-dazzling film.
4. touching display screen as claimed in claim 1 is characterized in that, also comprises:
Be arranged at the metal outer frame of described array base palte bottom, described high resistance transparent conductive material coating is connected with described metal outer frame conduction by conductive tape.
5. touching display screen as claimed in claim 1 is characterized in that, also comprises FPC, and described high resistance transparent conductive material coating is connected with the grounding pin conduction of described FPC.
6. touching display screen as claimed in claim 5, it is characterized in that, be provided with the metal connecting pin on the described array base palte, described metal connecting pin is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material coating is connected with described metal connecting pin conduction.
7. touching display screen as claimed in claim 5, it is characterized in that, also comprise the electric conduction seal frame glue that is arranged between array base palte and the color membrane substrates, described electric conduction seal frame glue is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material coating is connected with described electric conduction seal frame glue conduction.
8. such as each described touching display screen of claim 1 ~ 7, it is characterized in that described high resistance transparent conductive material coating includes carbon nano-tube particle and/or metallics.
9. a touch control display apparatus is characterized in that, comprises such as each described touching display screen of claim 1 ~ 8.
10. a touching display screen is characterized in that, comprising:
Array base palte and color membrane substrates to the box setting;
Be arranged at one group of first electrode wires on array base palte or the color membrane substrates;
Be arranged at one group of second electrode wires on array base palte or the color membrane substrates, with described one group of first electrode wires cross arrangement;
The high resistance transparent conductive material that is arranged at described one group of first electrode wires and one group of second superstructure that electrode wires forms mixes layer, and described high resistance transparent conductive material mixes layer ground connection and arranges.
11. touching display screen as claimed in claim 10 is characterized in that, also comprises:
Protective cover, it is formed to the box superstructure to be arranged at array base palte and color membrane substrates;
Transparent optical cement is adhered between described color membrane substrates and the described protective cover;
Described high resistance transparent conductive material mixes layer for mixing the protective cover of high resistance transparent conductive material, perhaps for mixing the transparent optical cement of high resistance transparent conductive material.
12. touching display screen as claimed in claim 10 is characterized in that, it is the underlay substrate that mixes the color membrane substrates of high resistance transparent conductive material that described high resistance transparent conductive material mixes layer, perhaps
When the black matrix layer of color membrane substrates was positioned at the top of described one group of first electrode wires and one group of second structure that electrode wires forms, described high resistance transparent conductive material mixed the black matrix layer of layer for mixing the high resistance transparent conductive material.
13. touching display screen as claimed in claim 10 is characterized in that, also comprises:
Be arranged at the metal outer frame of described array base palte bottom, described high resistance transparent conductive material mixes layer and is connected with described metal outer frame conduction by conductive tape.
14. touching display screen as claimed in claim 10 is characterized in that, also comprises FPC, described high resistance transparent conductive material mixes layer and is connected with the grounding pin conduction of described FPC.
15. touching display screen as claimed in claim 14, it is characterized in that, be provided with the metal connecting pin on the described array base palte, described metal connecting pin is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material mixes layer and is connected with described metal connecting pin conduction.
16. touching display screen as claimed in claim 14, it is characterized in that, also comprise the electric conduction seal frame glue that is arranged between array base palte and the color membrane substrates, described electric conduction seal frame glue is connected with the grounding pin conduction of described FPC, and described high resistance transparent conductive material mixes layer and is connected with described electric conduction seal frame glue conduction.
17., it is characterized in that described high resistance transparent conductive material mixes layer and is mixed with carbon nano-tube particle and/or metallics such as each described touching display screen of claim 10 ~ 16.
18. a touch control display apparatus is characterized in that, comprises such as each described touching display screen of claim 10 ~ 17.
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| CN2012105714564A CN102999223A (en) | 2012-12-25 | 2012-12-25 | Touch display screen and touch display device |
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| CN2012105714564A CN102999223A (en) | 2012-12-25 | 2012-12-25 | Touch display screen and touch display device |
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| CN104049798A (en) * | 2014-05-30 | 2014-09-17 | 京东方科技集团股份有限公司 | Touch display panel and touch display device |
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